./ImageMagick/004075500000240000024000000000000602114536100142705ustar00cristycristy00002330000007./ImageMagick/xtp/004077500000240000024000000000000600505004100150755ustar00cristycristy00002330000007./ImageMagick/xtp/Makefile010064400000240000024000000036740600505004100165420ustar00cristycristy00002330000007# Generated automatically from Makefile.in by configure. # # Generic makefile for xtp for computers that do not have xmkmf. # # Copyright 1995 E. I. du Pont de Nemours and Company # # Permission to use, copy, modify, distribute, and sell this software and # its documentation for any purpose is hereby granted without fee, # provided that the above Copyright notice appear in all copies and that # both that Copyright notice and this permission notice appear in # supporting documentation, and that the name of E. I. du Pont de Nemours # and Company not be used in advertising or publicity pertaining to # distribution of the software without specific, written prior # permission. E. I. du Pont de Nemours and Company makes no representations # about the suitability of this software for any purpose. It is provided # "as is" without express or implied warranty. # # E. I. du Pont de Nemours and Company disclaims all warranties with regard # to this software, including all implied warranties of merchantability # and fitness, in no event shall E. I. du Pont de Nemours and Company be # liable for any special, indirect or consequential damages or any # damages whatsoever resulting from loss of use, data or profits, whether # in an action of contract, negligence or other tortious action, arising # out of or in connection with the use or performance of this software. # CC = gcc DEFS = -DSTDC_HEADERS=1 -DHAVE_DIRENT_H=1 INSTALL = .././install-sh -c INSTALL_DATA = ${INSTALL} -m 644 INSTALL_PROGRAM = ${INSTALL} LDFLAGS = LIBS = -lnsl -lsocket -lm LOCALDIR= /usr/local/bin LOCALMAN= /usr/local/man/mann XTPObjects= xtp.o network.o regular.o CFLAGS= -O PROGRAMS= xtp all: $(PROGRAMS) xtp: $(XTPObjects) rm -f $@ $(CC) -o $@ $(XTPObjects) $(LIBS) clean:: rm -f xtp install:: xtp $(INSTALL_PROGRAM) xtp $(LOCALDIR)/xtp $(INSTALL_DATA) xtp.man $(LOCALMAN)/xtp.n clean:: rm -f *.ln *.bak *.o core errs ,* *~ *.a .emacs_* make.log MakeOut ./ImageMagick/xtp/xtp.c010064400000240000024000001313100577657204600161020ustar00cristycristy00002330000007/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X X TTTTT PPPP % % X X T P P % % X T PPPP % % X X T P % % X X T P % % % % % % File transfer program. % % % % % % % % Software Design % % John Cristy % % October 1992 % % % % % % Copyright 1995 E. I. Dupont de Nemours and Company % % % % Permission to use, copy, modify, distribute, and sell this software and % % its documentation for any purpose is hereby granted without fee, % % provided that the above copyright notice appear in all copies and that % % both that copyright notice and this permission notice appear in % % supporting documentation, and that the name of E. I. Dupont de Nemours % % and Company not be used in advertising or publicity pertaining to % % distribution of the software without specific, written prior % % permission. E. I. Dupont de Nemours and Company makes no representations % % about the suitability of this software for any purpose. It is provided % % "as is" without express or implied warranty. % % % % E. I. Dupont de Nemours and Company disclaims all warranties with regard % % to this software, including all implied warranties of merchantability % % and fitness, in no event shall E. I. Dupont de Nemours and Company be % % liable for any special, indirect or consequential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, negligence or other tortious action, arising % % out of or in connection with the use or performance of this software. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Xtp is a utility for retrieving, listing, or printing files from a % remote network site. Xtp performs most of the same functions as the % FTP program, but does not require any interactive commands. You simply % specify the file transfer task on the command line and xtp performs the % transfer automatically. % % This program was adapted from a similiar program written by Steve Singles, % University of Delaware. % % Command syntax: % % Usage: xtp [-options ...] < uniform resource locator > % % Where options include: % -account password supplemental password % -binary retrieve files as binary % -exclude expression exclude files that match the expression % -directory list file names that match the expression % -file name store the file with this name % -get get files that match the expression % -ident password specifies password % -port number port number of FTP server % -print print files that match the expression % -proxy hostname access remote host via this proxy host % -prune do not recursively search for files % -put put files that match the expression % -retrieve retrieve files that match the expression % -timeout seconds specifies maximum seconds of XTP session % -user name identify yourself to the remote FTP server % % */ /* Include declarations. */ #include "xtp.h" #include "regular.h" #include #include #include #include #include #include /* Variable declarations. */ static char *client_name, slave_tty[16]; static int master, status; static RegularExpression *directory_expression, *exclude_expression, *print_expression, *retrieve_expression; /* External declarations. */ extern char *GetHostInfo _Declare((char *)); /* Forward declarations. */ static char *Wait _Declare((void)); static void DirectoryRequest _Declare((char *, char *)), PrintRequest _Declare((char *,unsigned int)), RetrieveRequest _Declare((char *,unsigned int)); /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % D i r e c t o r y R e q u e s t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function DirectoryRequest lists a file name and its attributes. % % The format of the DirectoryRequest routine is: % % DirectoryRequest(fileinfo,filename) % % A description of each parameter follows: % % o fileinfo: Specifies a pointer to a character array that contains % information about the file. % % o filename: Specifies a pointer to a character array that contains % the name of the file. % */ static void DirectoryRequest(fileinfo,filename) char *fileinfo, *filename; { register char *p; status=0; for (p=filename; *p != '\0'; p++) if (!isprint(*p)) *p=' '; if (*fileinfo == '\0') (void) fprintf(stdout,"%s\n",filename); else (void) fprintf(stdout,"%s %s\n",fileinfo,filename); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % E r r o r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function Error displays an error message and then terminates the program. % % The format of the Error routine is: % % Error(message,qualifier) % % A description of each parameter follows: % % o message: Specifies the message to display before terminating the % program. % % o qualifier: Specifies any qualifier to the message. % % */ static void Error(message,qualifier) char *message, *qualifier; { (void) fprintf(stderr,"%s: %s",client_name,message); if (qualifier != (char *) NULL) (void) fprintf(stderr," (%s)",qualifier); (void) fprintf(stderr,".\n"); exit(1); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % E x e c u t e F t p % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ExecuteFtp executes the FTP program as a child process. % % The format of the ExecuteFtp routine is: % % ExecuteFtp(hostname,port) % % A description of each parameter follows: % % o hostname: Specifies a pointer to a character array that contains the % name of the host to establish a connection to a FTP server. % % o port: Specifies a port number. If the port number is NULL, xtp % attempts to contact a FTP server at the default port. % % % */ static void ExecuteFtp(hostname,port) char *hostname, *port; { int slave; struct sigaction action; struct termios attributes; /* Get slave tty line. */ action.sa_handler=SIG_IGN; (void) sigemptyset(&action.sa_mask); action.sa_flags=0; (void) sigaction(SIGTSTP,&action,(struct sigaction *) NULL); slave=open(slave_tty,O_RDWR | O_NOCTTY); if (slave < 0) Error("Unable to open slave pseudo-terminal",slave_tty); /* Condition slave tty line. */ (void) tcgetattr(slave,&attributes); attributes.c_iflag&=(~(BRKINT | IGNPAR | PARMRK | INPCK | ISTRIP | INLCR | IGNCR | ICRNL | IXON)); attributes.c_iflag|=IGNBRK | IXOFF; attributes.c_oflag&=(~OPOST); attributes.c_lflag&= (~(ECHO | ECHOE | ECHOK | ECHONL | ICANON | ISIG | NOFLSH | TOSTOP)); attributes.c_cflag&=(~(CSIZE | CSTOPB | HUPCL | PARENB)); attributes.c_cflag|=CLOCAL | CREAD | CS8; (void) tcflush(slave,TCIFLUSH); (void) tcsetattr(slave,TCSANOW,&attributes); /* Execute FTP program as a child process. */ (void) close(master); (void) dup2(slave,STDIN_FILENO); (void) dup2(slave,STDOUT_FILENO); (void) dup2(slave,STDERR_FILENO); (void) close(slave); (void) execlp("ftp","ftp","-n","-i","-g","-v",hostname,port,(char *) 0); perror("ftp"); (void) kill(0,SIGTERM); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % G e t P s e u d o T e r m i n a l % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function GetPseudoTerminal returns a master/slave pair of pseudo-terminals. % % The format of the GetPseudoTerminal routine is: % % GetPseudoTerminal() % % */ static void GetPseudoTerminal() { char master_tty[16]; int descriptors[2]; register char *bank, *cp; struct stat info; struct termios attributes; master=(-1); for (bank="pqrs"; *bank; bank++) { (void) sprintf(master_tty,"/dev/pty%c0",*bank); (void) sprintf(slave_tty,"/dev/tty%c0",*bank); if (stat(master_tty,&info) < 0) break; for (cp="0123456789abcdef"; *cp; cp++) { (void) sprintf((char *) master_tty,"/dev/pty%c%c",*bank,*cp); master=open(master_tty,O_RDWR); if (master < 0) continue; /* Verify slave side is usable. */ (void) sprintf(slave_tty,"/dev/tty%c%c",*bank,*cp); if (access(slave_tty,R_OK | W_OK) == 0) break; (void) close(master); } if (access(slave_tty,R_OK | W_OK) == 0) break; } #ifdef sgi cp=(char *) _getpty(descriptors,O_RDWR,0600,0); if (cp != (char *) NULL) (void) strcpy(slave_tty,cp); master=descriptors[0]; #endif if (master < 0) Error("All network ports in use",(char *) NULL); /* Condition master tty line. */ (void) tcgetattr(master,&attributes); attributes.c_lflag&=(~(ICANON | ECHO)); (void) tcflush(master,TCIFLUSH); (void) tcsetattr(master,TCSANOW,&attributes); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a k e D i r e c t o r y % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function MakeDirectory checks each component of a directory path and if it % does not exist, creates it. % % The format of the MakeDirectory routine is: % % MakeDirectory(directory) % % A description of each parameter follows: % % o directory: Specifies a pointer to a character array that contains % the name of the directory to create. % % */ static int MakeDirectory(directory) char *directory; { register char *p; struct stat info; /* Determine first component of the directory. */ p=strrchr(directory,'/'); if ((p == (char *) NULL) || (p == directory)) return(False); *p='\0'; if (lstat(directory,&info) < 0) { /* Path component does not exist; create it. */ if (MakeDirectory(directory) == 0) if (mkdir(directory,(mode_t) 0777) >= 0) { *p='/'; return(False); } } else if (S_ISDIR(info.st_mode)) { /* Path component already exists. */ *p='/'; return(False); } /* Path component is a file not a directory. */ *p='/'; return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % P r i n t R e q u e s t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function PrintRequest prints a file on the remote FTP server. % % The format of the PrintRequest routine is: % % PrintRequest(filename,verbose) % % A description of each parameter follows: % % o filename: Specifies a pointer to a character array that contains % the name of the file to print. % % o verbose: An unsigned integer. A value other than zero dhows all % responses from the remote server. % % */ static void PrintRequest(filename,verbose) char *filename; unsigned int verbose; { char command[MaxTextLength], *response; /* get remote-file [ - | < |zcat > ]. */ (void) sprintf(command,"get %s",filename); if (strcmp(filename+strlen(filename)-2,".Z") == 0) (void) strcat(command," |zcat\n"); else if (strcmp(filename+strlen(filename)-3,".gz") == 0) (void) strcat(command," |gunzip -c\n"); else (void) strcat(command," -\n"); (void) write(master,command,strlen(command)); (void) fprintf(stdout,"%s:\n",filename); while (response=Wait()) if (status == 0) (void) fprintf(stdout,"%s\n",response); else if ((status == 5) || verbose) (void) fprintf(stderr,"%s\n",response); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % P r o c e s s R e q u e s t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ProcessRequest first gets a recursive listing of the remote % directory. Next each filename in the list is either accepted or rejected % based on a user specified regular expresssion. If any files match the % regular expression, its filename is listed, printed, or retrieved as % specified by the command line arguments. % % The format of the ProcessRequest routine is: % % ProcessRequest(system_type,prune,verbose) % % A description of each parameter follows: % % o system_type: Specifies what type of system the remote host is: % UNIX, VMS, or other. % % o prune: Specifies whether to recusively search for files. % % o verbose: An unsigned integer. A value other than zero dhows all % responses from the remote server. % % */ static void ProcessRequest(system_type,prune,verbose) char *system_type; unsigned int prune; unsigned int verbose; { #define AccessExpression "[Pp]ermission denied|not found|cannot access" #define DateExpression " (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec) " #define ListExpression "ls-l([Rt])+([Rt])*([^ ])*" char command[MaxTextLength], directory[MaxTextLength], **filelist, filename[MaxTextLength << 1], *info, *response; register char *p; register int i; RegularExpression *access_expression, *date_expression; unsigned int match, maximum_files, number_files; if (*system_type == '\0') { /* Determine system type. */ (void) strcpy(system_type,"UNIX"); (void) strcpy(command,"quote syst\n"); (void) write(master,command,strlen(command)); while (response=Wait()) if (status == 2) (void) strcpy(system_type,response+4); } /* Ask remote server for a file listing. */ (void) strcpy(command,"dir\n"); if (!prune) if (strncmp("VMS",system_type,3) == 0) (void) strcpy(command,"ls [...]\n"); else if ((strncmp("UNIX",system_type,4) == 0) || (strncmp("Windows_NT",system_type,10) == 0)) { RegularExpression *list_expression; /* Get a recursive file listing. */ (void) write(master,command,strlen(command)); (void) strcpy(command,"ls -ltR\n"); list_expression=CompileRegularExpression(ListExpression); while (response=Wait()) if ((status == 0) && (*response != '\0')) if (ExecuteRegularExpression(list_expression,response)) { /* Remote site has a directory listing file. */ (void) strncpy(filename,list_expression->subpattern[0], list_expression->pattern_length); (void) fprintf(stderr,"Using remote file listing %s...\n", filename); (void) sprintf(command,"get %s",filename); if (strcmp(filename+strlen(filename)-2,".Z") == 0) (void) strcat(command," |zcat\n"); else if (strcmp(filename+strlen(filename)-3,".gz") == 0) (void) strcat(command," |gunzip -c\n"); else (void) strcat(command," -\n"); while (Wait()); break; } free((char *) list_expression); } (void) write(master,command,strlen(command)); while (response=Wait()) if ((status == 0) || (status == 5)) break; if (status == 5) { /* Directory command has limited functionality. */ while (Wait()); (void) strcpy(command,"dir\n"); (void) write(master,command,strlen(command)); while (response=Wait()) if ((status == 0) || (status == 5)) break; } status=(-1); if (response == (char *) NULL) return; /* Search the recursive directory listing and act on expression matches. */ access_expression=CompileRegularExpression(AccessExpression); date_expression=CompileRegularExpression(DateExpression); *directory='\0'; if (print_expression || retrieve_expression) { maximum_files=2048; filelist=(char **) malloc(maximum_files*sizeof(char *)); if (filelist == (char **) NULL) Error("Unable to allocate memory",(char *) NULL); number_files=0; } do { if ((status > 0) || (*response == '\0')) continue; /* Construct file name and info. */ while (*response == ' ') response++; info=response; p=response+strlen(response)-1; if (*p == '\r') p--; if ((strncmp("UNIX",system_type,4) != 0) && (strncmp("Windows_NT",system_type,10) != 0)) { if (strncmp("VMS",system_type,3) == 0) if (*p == ']') { /* File is a directory. */ do { p--; } while (*p == ' '); *(++p)='\0'; (void) strcpy(directory,response); (void) strcat(directory,"]"); continue; } while ((*info != ' ') && *info) info++; *info='\0'; p=response; } else { if ((*response != '-') && (*response != 'F')) { if (*p == ':') { /* File is a directory. */ do { p--; } while (*p == ' '); *(++p)='\0'; (void) strcpy(directory,response); (void) strcat(directory,"/"); } continue; } if (ExecuteRegularExpression(access_expression,response)) continue; if (ExecuteRegularExpression(date_expression,response)) p=date_expression->subpattern[0]+13; *p++='\0'; while (*p == ' ') p++; } (void) strcpy(filename,directory); (void) strcat(filename,p); if (exclude_expression) if (ExecuteRegularExpression(exclude_expression,filename)) continue; if (directory_expression) if (ExecuteRegularExpression(directory_expression,filename)) DirectoryRequest(info,filename); match=False; if (print_expression) match|=ExecuteRegularExpression(print_expression,filename); if (retrieve_expression) match|=ExecuteRegularExpression(retrieve_expression,filename); if (!match) continue; if (number_files >= maximum_files) { maximum_files<<=1; filelist=(char **) realloc(filelist,maximum_files*sizeof(char *)); if (filelist == (char **) NULL) Error("Unable to allocate memory",(char *) NULL); } filelist[number_files]=(char *) malloc((strlen(filename)+1)*sizeof(char)); if (filelist[number_files] == (char *) NULL) Error("Unable to allocate memory",(char *) NULL); (void) strcpy(filelist[number_files],filename); number_files++; } while (response=Wait()); free((char *) date_expression); free((char *) access_expression); if (!print_expression && !retrieve_expression) return; if (number_files == 0) { Warning("no files matched your expression",(char *) NULL); return; } /* Print, or retrieve a file. */ for (i=0; i < number_files; i++) { if (print_expression) if (ExecuteRegularExpression(print_expression,filelist[i])) PrintRequest(filelist[i],verbose); if (retrieve_expression) if (ExecuteRegularExpression(retrieve_expression,filelist[i])) RetrieveRequest(filelist[i],verbose); free((char *) filelist[i]); } free((char *) filelist); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e t r i e v e R e q u e s t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function RetrieveRequest retrieves a file from the remote FTP server. % % The format of the RetrieveRequest routine is: % % RetrieveRequest(filename,verbose) % % A description of each parameter follows: % % o filename: Specifies a pointer to a character array that contains % the name of the file to retrieve. % % o verbose: An unsigned integer. A value other than zero dhows all % responses from the remote server. % % */ static void RetrieveRequest(filename,verbose) char *filename; unsigned int verbose; { char command[MaxTextLength], *response; /* get remote-file */ (void) MakeDirectory(filename); (void) sprintf(command,"get %s\n",filename); (void) write(master,command,strlen(command)); while (response=Wait()) if (verbose) (void) fprintf(stderr,"%s\n",response); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S i g n a l A l a r m % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function SignalAlarm is called if the timer expires. % % The format of the SignalAlarm routine is: % % SignalAlarm() % % */ static void SignalAlarm() { char message[MaxTextLength]; int process_status; while (waitpid((pid_t) NULL,&process_status,WNOHANG) > 0); (void) sprintf(message,"timeout expired, status %x",process_status); Error(message,(char *) NULL); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S i g n a l C h i l d % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function SignalChild is called if the status of the child process changes. % % The format of the SignalChild routine is: % % SignalChild() % % */ static void SignalChild() { char message[MaxTextLength]; int process_status; while (waitpid((pid_t) NULL,&process_status,WNOHANG) > 0); (void) sprintf(message,"child died, status %x",process_status); Error(message,(char *) NULL); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % U s a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Procedure Usage displays the program usage; % % The format of the Usage routine is: % % Usage() % % */ static void Usage() { char **p; static char *options[]= { "-account password supplemental password", "-binary retrieve files as binary", "-exclude expression exclude files that match the expression", "-directory list file names that match the expression", "-file name store the file with this name", "-get get files that match the expression", "-ident password specifies password", "-port number port number of FTP server", "-print print files that match the expression", "-prune do not recursively search for files", "-proxy hostname access remote host via this proxy host", "-put put files that match the expression", "-retrieve retrieve files that match the expression", "-timeout seconds specifies maximum seconds of XTP session", "-user name identify yourself to the remote FTP server", "-verbose show all responses from the remote server", NULL }; (void) fprintf(stderr, "Usage: %s [-options ...] ]\n",client_name); (void) fprintf(stderr,"\nWhere options include:\n"); for (p=options; *p; p++) (void) fprintf(stderr," %s\n",*p); exit(1); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W a i t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function Wait reads a line of output from the remote FTP server. % % The format of the Wait() routine is: % % response=Wait() % % A description of each parameter follows: % % o response: Function Wait returns this pointer to the output obtained % from the remote FTP server. % % */ static char *Wait() { register char *p; static char buffer[1024], *q; static char line[1024]; static int count=0; status=0; p=line; do { if (count <= 0) { /* The buffer is empty; read output from the remote FTP server. */ count=read(master,buffer,sizeof(buffer)); q=buffer; if (count <= 0) { if (p == line) return((char *) NULL); break; } } count--; *p=(*q++); if (*p == '\n') break; p++; if ((p-line) >= 5) if (!strncmp(p-5,"ftp> ",5)) if (count == 0) return((char *) NULL); } while (p < (line+sizeof(line))); *p='\0'; if (isdigit(*line)) status=atoi(line)/100; return(line); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % m a i n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ int main(argc,argv) int argc; register char **argv; { #include #define AccountExpression "[Aa]ccount" #define ConnectExpression "[Nn]ot connected" #define IdentExpression "[Pp]assword" #define TypeExpression "system type is " char *account, command[MaxTextLength], directory[MaxTextLength], filename[MaxTextLength], *get_expression, *host_info, hostname[MaxTextLength], ident[MaxTextLength], *localname, *port, protocol[MaxTextLength], *proxy, *put_expression, *remotename, system_type[MaxTextLength], *url, user[MaxTextLength]; int binary, child, field, process_status; register char *p, *q, *response; RegularExpression *account_expression, *connect_expression, *ident_expression, *type_expression; struct sigaction action; unsigned int count, prune, timeout, verbose; client_name=argv[0]; if (argc < 2) Usage(); /* Initialize program variables. */ account=(char *) NULL; binary=True; *directory='\0'; directory_expression=(RegularExpression *) NULL; exclude_expression=(RegularExpression *) NULL; *filename='\0'; *ident='\0'; get_expression=(char *) NULL; *hostname='\0'; localname=(char *) NULL; port=(char *) NULL; print_expression=(RegularExpression *) NULL; *protocol='\0'; proxy=(char *) getenv("xtp_proxy"); prune=False; put_expression=(char *) NULL; remotename=(char *) NULL; retrieve_expression=(RegularExpression *) NULL; *system_type='\0'; timeout=0; *user='\0'; verbose=False; /* Parse uniform resource locator. */ field=0; url=argv[argc-1]; p=url; for (q=url; *q != '\0'; q++) { if (*q != '/') continue; switch (field) { case 0: { if ((q > url) && *(q-1) == ':') (void) strncat(protocol,p,q-p); else { (void) strncat(hostname,p,q-p); field+=2; } break; } case 1: break; case 2: { (void) strncat(hostname,p,q-p); break; } default: { (void) strncat(directory,p,q-p+1); break; } } field++; p=q+1; } (void) strncat(filename,p,q-p); if (*hostname == '\0') (void) gethostname(hostname,64); if (*protocol != '\0') if (strcmp(protocol,"ftp:") != 0) Error("Unsupported protocol",protocol); /* Parse command line arguments. */ for (*argv++; *argv && ((**argv == '-') || (**argv == '+')); argv++) switch (argv[0][1]) { case 'a': { account=(*++argv); break; } case 'b': { binary=(**argv == '-'); break; } case 'd': { directory_expression=CompileRegularExpression(filename); if (!directory_expression) exit(1); break; } case 'e': { exclude_expression=CompileRegularExpression(*++argv); if (!exclude_expression) exit(1); break; } case 'f': { localname=(*++argv); remotename=(*++argv); break; } case 'g': { get_expression=filename; break; } case 'i': { (void) strcpy(ident,*++argv); break; } case 'p': { if (strncmp("port",*argv+1,2) == 0) { port=(*++argv); break; } if (strncmp("proxy",*argv+1,3) == 0) { proxy=(char *) NULL; if (**argv == '-') { argv++; if (*argv == (char *) NULL) Error("Missing host on -proxy",(char *) NULL); proxy=(*argv); } break; } if (strncmp("prune",*argv+1,3) == 0) { prune=(**argv == '-'); break; } if (strncmp("print",*argv+1,3) == 0) { print_expression=CompileRegularExpression(filename); if (!print_expression) exit(1); break; } if (strncmp("put",*argv+1,2) == 0) { put_expression=filename; break; } Error("Unrecognized option",*argv); break; } case 'r': { retrieve_expression=CompileRegularExpression(filename); if (!retrieve_expression) exit(1); break; } case 't': { timeout=atoi(*++argv); break; } case 'u': { (void) strcpy(user,*++argv); break; } case 'v': { verbose=True; break; } default: { Error("Unrecognized option",(char *) NULL); break; } } if ((directory_expression == (RegularExpression *) NULL) && (print_expression == (RegularExpression *) NULL) && (retrieve_expression == (RegularExpression *) NULL) && (put_expression == (char *) NULL)) get_expression=filename; if ((*ident == '\0') && (*user == '\0')) { struct passwd *user_info; /* Identify user as user@host.domain. */ (void) strcpy(user,"anonymous"); (void) strcpy(ident,"anonymous"); user_info=getpwuid(geteuid()); if (user_info != (struct passwd *) NULL) (void) strcpy(ident,user_info->pw_name); if (proxy != (char *) NULL) { (void) strcat(ident,"@"); (void) strcat(ident,proxy); } else { p=ident+strlen(ident); *p++='@'; (void) gethostname(p,64); p=ident+strlen(ident); *p++='.'; (void) getdomainname(p,64); } } if (proxy != (char *) NULL) { /* Access the remote host via a proxy ftpd client. */ (void) strcat(user,"@"); (void) strcat(user,hostname); (void) strcpy(hostname,proxy); } host_info=GetHostInfo(hostname); if (host_info == (char *) NULL) Error("Unknown host",hostname); if (verbose) if (*directory == '\0') (void) fprintf(stderr,"%s\n",host_info); else (void) fprintf(stderr,"%s %s\n",host_info,directory); GetPseudoTerminal(); /* Set signal handlers. */ action.sa_handler=SignalAlarm; (void) sigemptyset(&action.sa_mask); action.sa_flags=0; (void) sigaction(SIGALRM,&action,(struct sigaction *) NULL); if (timeout != 0) (void) alarm(Max(timeout >> 4,120)); /* enable login timer. */ action.sa_handler=SignalChild; (void) sigaction(SIGCHLD,&action,(struct sigaction *) NULL); /* Connect and logon to host. */ child=fork(); if (child < 0) Error("Unable to fork",(char *) NULL); if (child == 0) ExecuteFtp(hostname,port); type_expression=CompileRegularExpression(TypeExpression); while (response=Wait()) { if (verbose) (void) fprintf(stderr,"%s\n",response); if (ExecuteRegularExpression(type_expression,response)) (void) strcpy(system_type,type_expression->subpattern_end[0]); } free((char *) type_expression); if (*user == '\0') (void) strcpy(user,"anonymous"); (void) sprintf(command,"user %s\n",user); if (*ident != '\0') (void) sprintf(command,"user %s %s\n",user,ident); (void) write(master,command,strlen(command)); /* Logon dialog may require a password or account information. */ account_expression=CompileRegularExpression(AccountExpression); connect_expression=CompileRegularExpression(ConnectExpression); ident_expression=CompileRegularExpression(IdentExpression); while (response=Wait()) { if (verbose) (void) fprintf(stderr,"%s\n",response); if (status == 3) if (*ident == '\0') if (ExecuteRegularExpression(ident_expression,response)) { if (!verbose) (void) fprintf(stderr,"%s\n",response); count=read(master,command,sizeof(command)); command[count]='\0'; (void) fprintf(stderr,"%s",command); } if (status == 3) if (account == (char *) NULL) if (ExecuteRegularExpression(account_expression,response)) { if (!verbose) (void) fprintf(stderr,"%s\n",response); count=read(master,command,sizeof(command)); command[count]='\0'; (void) fprintf(stderr,"%s",command); } if (status == 5) Error(response,user); if (ExecuteRegularExpression(connect_expression,response)) Error("Unable to connect to remote host",hostname); } free((char *) ident_expression); free((char *) connect_expression); free((char *) account_expression); if (timeout != 0) (void) alarm(timeout); /* enable session timer. */ if (*directory != '\0') { /* Change remote working directory. */ (void) sprintf(command,"cd %s\n",directory); (void) write(master,command,strlen(command)); while (response=Wait()) { if (verbose) (void) fprintf(stderr,"%s\n",response); if (status == 5) Error("No such directory",directory); } (void) strcpy(command,"pwd\n"); (void) write(master,command,strlen(command)); while (response=Wait()) if (verbose) (void) fprintf(stderr,"%s\n",response); } if (binary) { /* Set file transfer type. */ (void) strcpy(command,"binary\n"); (void) write(master,command,strlen(command)); while (response=Wait()) if (verbose) (void) fprintf(stderr,"%s\n",response); (void) strcpy(command,"type\n"); (void) write(master,command,strlen(command)); while (response=Wait()) if (verbose) (void) fprintf(stderr,"%s\n",response); } if (get_expression != (char *) NULL) { /* Process get request. */ (void) sprintf(command,"mget %s\n",get_expression); if (!IsGlob(get_expression) && (localname != (char *) NULL)) (void) sprintf(command,"get %s %s\n",get_expression,localname); (void) write(master,command,strlen(command)); while (response=Wait()) if ((status == 5) || verbose) (void) fprintf(stderr,"%s\n",response); } else if (put_expression != (char *) NULL) { /* Process put request. */ (void) strcpy(command,"glob on\n"); (void) write(master,command,strlen(command)); while (response=Wait()) if (verbose) (void) fprintf(stderr,"%s\n",response); (void) sprintf(command,"mput %s\n",put_expression); if (!IsGlob(put_expression) && (remotename != (char *) NULL)) (void) sprintf(command,"put %s %s\n",put_expression,remotename); (void) write(master,command,strlen(command)); while (response=Wait()) if ((status == 5) || verbose) (void) fprintf(stderr,"%s\n",response); } else ProcessRequest(system_type,prune,verbose); (void) strcpy(command,"quit\n"); (void) write(master,command,strlen(command)); /* Wait for child to finish. */ action.sa_handler=SIG_DFL; (void) sigemptyset(&action.sa_mask); action.sa_flags=0; (void) sigaction(SIGCHLD,&action,(struct sigaction *) NULL); (void) waitpid(child,&process_status,WNOHANG); (void) close(master); if (directory_expression != (RegularExpression *) NULL) free((char *) directory_expression); if (exclude_expression != (RegularExpression *) NULL) free((char *) exclude_expression); if (print_expression != (RegularExpression *) NULL) free((char *) print_expression); if (retrieve_expression != (RegularExpression *) NULL) free((char *) retrieve_expression); return(status < 0); } r. */ field=0; url=argv[argc-1]; p=url; for (q=url; *q != '\0'; q++) { if (*q != '/') continue; switch (field) { case 0: { if ((q > url) && *(q-1) == ':') (void) strncat(protocol,p,q-p); else { (void) strncat(hostname,p,q-./ImageMagick/xtp/network.c010064400000240000024000000127400567336117700167620ustar00cristycristy00002330000007/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % N N EEEEE TTTTT W W OOO RRRR K K % % NN N E T W W O O R R K K % % N N N EEE T W W W O O RRRR KKK % % N NN E T WW WW O O R R K K % % N N EEEEE T W W OOO R R K K % % % % % % Network Routines. % % % % % % Software Design % % John Cristy % % October 1992 % % % % % % Copyright 1995 E. I. Dupont de Nemours and Company % % % % Permission to use, copy, modify, distribute, and sell this software and % % its documentation for any purpose is hereby granted without fee, % % provided that the above Copyright notice appear in all copies and that % % both that Copyright notice and this permission notice appear in % % supporting documentation, and that the name of E. I. Dupont de Nemours % % and Company not be used in advertising or publicity pertaining to % % distribution of the software without specific, written prior % % permission. E. I. Dupont de Nemours and Company makes no representations % % about the suitability of this software for any purpose. It is provided % % "as is" without express or implied warranty. % % % % E. I. Dupont de Nemours and Company disclaims all warranties with regard % % to this software, including all implied warranties of merchantability % % and fitness, in no event shall E. I. Dupont de Nemours and Company be % % liable for any special, indirect or consequential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, negligence or other tortious action, arising % % out of or in connection with the use or performance of this software. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ #include "xtp.h" #include "regular.h" #include #include #include #include #include /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % G e t H o s t I n f o % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function GetHostInfo accepts a host name or address, verifies it is valid, % and returns both the host name and address from the network host entry. % % The format of the GetHostInfo routine is: % % info=GetHostInfo(name) % % A description of each parameter follows: % % o info: Function GetHostInfo returns a pointer to the host name and % IP address. A null pointer is returned if there the host cannot be % located. % % o name: Specifies a pointer to a character array that contains either % a name of a host or an IP address. % % */ char *GetHostInfo(name) char *name; { char *p; static char info[2048]; struct in_addr in; struct hostent *hp; /* Get host name and address. */ if (isascii(*name) && isdigit(*name)) in.s_addr=inet_addr(name); else { in.s_addr=(unsigned long) -1; hp=gethostbyname(name); if (hp != (struct hostent *) NULL) in.s_addr=(*(int *) hp->h_addr); } hp=gethostbyaddr((char *) &in,sizeof(struct in_addr),AF_INET); if (hp == (struct hostent *) NULL) { hp=gethostbyname(name); if (hp == (struct hostent *) NULL) return((char *) NULL); } /* Convert hostname to lower-case characters. */ p=hp->h_name; while (*p) { if (isupper(*p)) *p=tolower(*p); p++; } (void) sprintf(info,"%s [%s]: ",hp->h_name,inet_ntoa(in)); return(info); } ./ImageMagick/xtp/README010064400000240000024000000033540567540730300160000ustar00cristycristy00002330000007Xtp is a utility for retrieving, listing, or printing files from a remote network site. Xtp performs most of the same functions as the ftp program, but does not require any interactive commands. You simply specify the file transfer task on the command line and xtp performs the transfer automatically. To get file contrib/applications/ImageMagick/ImageMagick-3.5.tar.Z from ftp.x.org, use: xtp ftp://ftp.x.org/contrib/applications/ImageMagick/ImageMagick-3.5.tar.Z The author is cristy@dupont.com. Comments, suggestions, etc, are welcome, but be kind. --- Copyright 1995 E. I. Dupont de Nemours and Company Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. Dupont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. Dupont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty. E. I. Dupont de Nemours and Company disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness, in no event shall E. I. Dupont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortious action, arising out of or in connection with the use or performance of this software. ./ImageMagick/xtp/regular.h010064400000240000024000000024230567223722300167250ustar00cristycristy00002330000007/* Definitions etc. for RegularExpression(3) routines. */ #define EndOfProgram 0 #define MatchBeginningOfLine 1 #define MatchEndOfProgramOfLine 2 #define MatchAnyCharacter 3 #define MatchAnyCharacterOf 4 #define MatchAnyCharacterBut 5 #define MatchThisOrNext 6 #define Back 7 #define MatchExactly 8 #define MatchEmptyString 9 #define MatchZeroOrMore 10 #define MatchOneOrMore 11 #define Open 20 #define Close 30 #define WorstCase 0 #define NonNull 1 #define Simple 2 #define SpecialStart 4 #define Fail(m) \ { \ (void) fprintf(stderr,"RegularExpression: %s\n",m); \ return(NULL); \ } #define Magick 0234 #define Meta "^$.[()|?+*\\" #define MultipleMatches(c) (((c) == '*') || ((c) == '+') || ((c) == '?')) #define Next(p) (((*((p)+1) & 0377) << 8 )+(*((p)+2) & 0377)) #define NumberSubExpressions 10 #define OpCode(p) (*(p)) #define Operand(p) ((p)+3) typedef struct _RegularExpression { char *subpattern[NumberSubExpressions], *subpattern_end[NumberSubExpressions], start_character, anchor, *priority_pattern; int pattern_length; char program[1]; } RegularExpression; extern RegularExpression *CompileRegularExpression _Declare((char *)); extern int ExecuteRegularExpression _Declare((RegularExpression *,char *)); ./ImageMagick/xtp/regular.c010064400000240000024000001075700567445405300167350ustar00cristycristy00002330000007/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % RRRR EEEEE GGGG U U L AAA RRRR % % R R E G U U L A A R R % % RRRR EEE G GG U U L AAAAA RRRR % % R R E G G U U L A A R R % % R R EEEEE GGGG UUU LLLLL A A R R % % % % % % Regular Expression Interpreter. % % % % % % % % Software Design % % John Cristy % % July 1992 % % % % % % Copyright 1995 E. I. Dupont de Nemours and Company % % % % Permission to use, copy, modify, distribute, and sell this software and % % its documentation for any purpose is hereby granted without fee, % % provided that the above Copyright notice appear in all copies and that % % both that Copyright notice and this permission notice appear in % % supporting documentation, and that the name of E. I. Dupont de Nemours % % and Company not be used in advertising or publicity pertaining to % % distribution of the software without specific, written prior % % permission. E. I. Dupont de Nemours and Company makes no representations % % about the suitability of this software for any purpose. It is provided % % "as is" without express or implied warranty. % % % % E. I. Dupont de Nemours and Company disclaims all warranties with regard % % to this software, including all implied warranties of merchantability % % and fitness, in no event shall E. I. Dupont de Nemours and Company be % % liable for any special, indirect or consequential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, negligence or other tortious action, arising % % out of or in connection with the use or performance of this software. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % CompileRegularExpression returns NULL for a failure, where failures are % syntax errors, exceeding implementation limits, or applying `+' or `*' % to a possibly-null operand. % % This is essentially the same routine written and copywrited by Henry % Spencer, University of Toronto. I made minor programming changes but % major variable name changes to improve readability. % % A regular expression is zero or more branches, separated by `|'. It % matches anything that matches one of the branches. % % A branch is zero or more pieces, concatenated. It matches a match for % the first, followed by a match for the second, etc. % % A piece is an atom possibly followed by `*', `+', or `?'. An atom % followed by `*' matches a sequence of 0 or more matches of the % atom. An atom followed by `+' matches a sequence of 1 or more % matches of the atom. An atom followed by `?' matches a match of % the atom, or the null string. % % An atom is a regular expression in parentheses (matching a match % for the regular expression), a range (see below), `.' (matching any % single character), `^' (matching the null pattern at the beginning of % the input string), `$' (matching the null pattern at the end of the % input string), a `\' followed by a single character (matching that % character), or a single character with no other significance (match- % ing that character). % % A range is a sequence of characters enclosed in `[]'. It normally % matches any single character from the sequence. If the sequence % begins with `^', it matches any single character not from the rest of % the sequence. If two characters in the sequence are separated by `-', % this is shorthand for the full list of ASCII characters between % them (e.g. `[0-9]' matches any decimal digit). To include a literal % `]' in the sequence, make it the first character (following a possible % `^'). To include a literal `-', make it the first or last character. % % If a regular expression could match two different parts of a string, % it will match the one which begins earliest. If both begin in the % same place but match different lengths, or match the same length % in different ways, life gets messier, as follows. % % In general, the possibilities in a list of branches are considered in % left-to-right order, the possibilities for `*', `+', and `?' are consid- % ered longest-first, nested constructs are considered from the outer- % most in, and concatenated constructs are considered leftmost-first. % The match that will be chosen is the one that uses the earliest possi- % bility in the first choice that has to be made. If there is more than % one choice, the next will be made in the same manner (earliest pos- % sibility) subject to the decision on the first choice. And so forth. % % For example, `(ab|a)b*c' could match `abc' in one of two ways. % The first choice is between `ab' and `a'; since `ab' is earlier, and % does lead to a successful overall match, it is chosen. Since the `b' is % already spoken for, the `b*' must match its last possibility the empty % string since it must respect the earlier choice. % % In the particular case where no `|'s are present and there is only % one `*', `+', or `?', the net effect is that the longest possible match % will be chosen. So `ab*', presented with `xabbbby', will match % `abbbb'. Note that if `ab*' is tried against `xabyabbbz', it will % match `ab' just after `x', due to the begins-earliest rule. (In effect, % the decision on where to start the match is the first choice to be % made, hence subsequent choices must respect it even if this leads % them to less-preferred alternatives.) % % */ #include "xtp.h" #include "regular.h" /* Variable declarations. */ static char *code, **subpattern_end, *p, start_code, *start_pattern, **subpattern, *token; static int number_parenthesis; static long code_size; /* Forward declarations. */ static char *NextToken _Declare((register char *)), *Node _Declare((int)), *Piece _Declare((int *)), *Regular _Declare((int,int *)); static int Repeat _Declare((char *)); static void EmitCode _Declare((int)), Tail _Declare((char *,char *)); /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % A t o m % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ static char *Atom(flagp) int *flagp; { int flags; register char *status; *flagp=WorstCase; switch(*token++) { case '^': { status=Node(MatchBeginningOfLine); break; } case '$': { status=Node(MatchEndOfProgramOfLine); break; } case '.': { status=Node(MatchAnyCharacter); *flagp|=NonNull | Simple; break; } case '[': { register int class, class_end; if (*token != '^') status=Node(MatchAnyCharacterOf); else { /* Complement of range. */ status=Node(MatchAnyCharacterBut); token++; } if ((*token == ']') || (*token == '-')) EmitCode(*token++); while ((*token != '\0') && (*token != ']')) { if (*token != '-') EmitCode(*token++); else { token++; if ((*token == ']') || (*token == '\0')) EmitCode('-'); else { class=((int)*(unsigned char *)(token-2))+1; class_end=((int)*(unsigned char *)(token)); if (class > class_end+1) Fail("invalid [] range"); for(; class <= class_end; class++) EmitCode((char) class); token++; } } } EmitCode('\0'); if (*token != ']') Fail("unmatched []"); token++; *flagp|=NonNull | Simple; break; } case '(': { status=Regular(1,&flags); if (status == NULL) return(NULL); *flagp|=flags & (NonNull | SpecialStart); break; } case '\0': case '|': case ')': { Fail("internal urp"); break; } case '?': case '+': case '*': { Fail("?+* follows nothing"); break; } case '\\': { if (*token == '\0') Fail("trailing \\"); status=Node(MatchExactly); EmitCode(*token++); EmitCode('\0'); *flagp|=NonNull | Simple; break; } default: { register char ender; register int length; token--; length=strcspn(token,Meta); if (length <= 0) Fail("internal disaster"); ender=(*(token+length)); if (length > 1 && MultipleMatches(ender)) length--; *flagp|=NonNull; if (length == 1) *flagp|=Simple; status=Node(MatchExactly); while (length > 0) { EmitCode(*token++); length--; } EmitCode('\0'); break; } } return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % B r a n c h % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function Branch Implements the | operator. % % */ static char *Branch(flagp) int *flagp; { int flags; register char *chain, *latest, *status; *flagp=WorstCase; status=Node(MatchThisOrNext); chain=NULL; while ((*token != '\0') && (*token != '|') && (*token != ')')) { latest=Piece(&flags); if (latest == NULL) return(NULL); *flagp|=flags & NonNull; if (chain == NULL) *flagp|=flags & SpecialStart; else Tail(chain,latest); chain=latest; } if (chain == NULL) (void) Node(MatchEmptyString); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % E m i t C o d e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ static void EmitCode(opcode) int opcode; { if (code != &start_code) *code++=(char) opcode; else code_size++; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % I n s e r t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function Insert inserts an operator in front of an already-emitted operand. % */ static void Insert(opcode,operand) char opcode, *operand; { register char *p, *place, *q; if (code == &start_code) { code_size+=3; return; } p=code; code+=3; q=code; while (p > operand) *--q=(*--p); place=operand; *place++=opcode; *place++='\0'; *place++='\0'; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a t c h % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ static int Match(regular_expression) char *regular_expression; { char *next_token; register char *scan; scan=regular_expression; while (scan != NULL) { next_token=NextToken(scan); switch(OpCode(scan)) { case MatchBeginningOfLine: { if (p != start_pattern) return(0); break; } case MatchEndOfProgramOfLine: { if (*p != '\0') return(0); break; } case MatchAnyCharacter: { if (*p == '\0') return(0); p++; break; } case MatchExactly: { register char *operand; register int length; operand=Operand(scan); /* Inline the first character for speed. */ if (*operand != *p) return(0); length=strlen(operand); if ((length > 1) && (strncmp(operand,p,length) != 0)) return(0); p+=length; break; } case MatchAnyCharacterOf: { if ((*p == '\0' || strchr(Operand(scan),*p) == NULL)) return(0); p++; break; } case MatchAnyCharacterBut: { if ((*p == '\0') || (strchr(Operand(scan),*p) != NULL)) return(0); p++; break; } case MatchEmptyString: break; case Back: break; case Open+1: case Open+2: case Open+3: case Open+4: case Open+5: case Open+6: case Open+7: case Open+8: case Open+9: { register char *save; register int no; no=OpCode(scan)-Open; save=p; if (!Match(next_token)) return(0); else { /* Don't set subpattern if some later invocation of the same parentheses already has. */ if (subpattern[no] == NULL) subpattern[no]=save; return(1); } break; } case Close+1: case Close+2: case Close+3: case Close+4: case Close+5: case Close+6: case Close+7: case Close+8: case Close+9: { register char *save; register int no; no=OpCode(scan)-Close; save=p; if (!Match(next_token)) return(0); else { /* Don't set subpattern_end if some later invocation of the same parentheses already has. */ if (subpattern_end[no] == NULL) subpattern_end[no]=save; return(1); } break; } case MatchThisOrNext: { register char *save; if (OpCode(next_token) != MatchThisOrNext) next_token=Operand(scan); else { do { save=p; if (Match(Operand(scan))) return(1); p=save; scan=NextToken(scan); } while ((scan != NULL) && (OpCode(scan) == MatchThisOrNext)); return(0); } break; } case MatchZeroOrMore: case MatchOneOrMore: { register char next_tokench, *save; register int min, no; /* Lookahead to avoid useless match attempts when we know what character comes next_token. */ next_tokench='\0'; if (OpCode(next_token) == MatchExactly) next_tokench=(*Operand(next_token)); min=(OpCode(scan) == MatchZeroOrMore) ? 0 : 1; save=p; no=Repeat(Operand(scan)); while (no >= min) { /* If it could work, try it. */ if ((next_tokench == '\0') || (*p == next_tokench)) if (Match(next_token)) return(1); /* Couldn't or didn't -- back up. */ no--; p=save+no; } return(0); break; } case EndOfProgram: return(1); break; default: (void) fprintf(stderr,"Regular(3): %s","memory corruption"); return(0); break; } scan=next_token; } (void) fprintf(stderr,"Regular(3): %s","corrupted pointers"); return(0); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % N e x t T o k e n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ static char *NextToken(p) register char *p; { register int offset; if (p == &start_code) return(NULL); offset=Next(p); if (offset == 0) return(NULL); if (OpCode(p) == Back) return(p-offset); else return(p+offset); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % N o d e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ static char *Node(opcode) int opcode; { register char *ptr, *status; status=code; if (status == &start_code) { code_size+=3; return(status); } ptr=status; *ptr++=(char) opcode; *ptr++='\0'; *ptr++='\0'; code=ptr; return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % O p T a i l % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ static void OpTail(p,value) char *p; char *value; { /* "Operandless" and "op != MatchThisOrNext" are synonymous in practice. */ if ((p == NULL) || (p == &start_code) || (OpCode(p) != MatchThisOrNext)) return; Tail(Operand(p),value); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % P i e c e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ static char *Piece(flagp) int *flagp; { int flags; register char *next_token, op, *status; status=Atom(&flags); if (status == NULL) return(NULL); op=(*token); if (!MultipleMatches(op)) { *flagp=flags; return(status); } if (!(flags & NonNull) && op != '?') Fail("*+ operand could be empty"); *flagp=(op != '+') ? (WorstCase | SpecialStart) : (WorstCase | NonNull); if (op == '*' && (flags & Simple)) Insert(MatchZeroOrMore,status); else if (op == '*') { /* Emit x* as (x&|), where & means "self". */ Insert(MatchThisOrNext,status); OpTail(status,Node(Back)); OpTail(status,status); Tail(status,Node(MatchThisOrNext)); Tail(status,Node(MatchEmptyString)); } else if ((op == '+') && (flags & Simple)) Insert(MatchOneOrMore,status); else if (op == '+') { /* Emit x+ as x (&|), where & means "self". */ next_token=Node(MatchThisOrNext); Tail(status,next_token); Tail(Node(Back),status); Tail(next_token,Node(MatchThisOrNext)); Tail(status,Node(MatchEmptyString)); } else if (op == '?') { /* Emit x? as (x|) */ Insert(MatchThisOrNext,status); Tail(status,Node(MatchThisOrNext)); next_token=Node(MatchEmptyString); Tail(status,next_token); OpTail(status,next_token); } token++; if (MultipleMatches(*token)) Fail("nested *?+"); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e g u l a r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ static char *Regular(parenthesized,flagp) int parenthesized; int *flagp; { int flags; register char *br, *ender, *status; register int count; count=0; *flagp=NonNull; if (!parenthesized) status=NULL; else { /* Make an Open node. */ if (number_parenthesis >= NumberSubExpressions) Fail("too many ()"); count=number_parenthesis; number_parenthesis++; status=Node(Open+count); } /* Pick up the branches, linking them together. */ br=Branch(&flags); if (br == NULL) return(NULL); if (status != NULL) Tail(status,br); else status=br; if (!(flags & NonNull)) *flagp&=(~NonNull); *flagp|=flags & SpecialStart; while (*token == '|') { token++; br=Branch(&flags); if (br == NULL) return(NULL); Tail(status,br); if (!(flags & NonNull)) *flagp &= ~NonNull; *flagp|=flags & SpecialStart; } /* Make a closing node and hook it on the end. */ ender=Node((parenthesized) ? Close+count : EndOfProgram); Tail(status,ender); /* Hook the tails of the branches to the closing node. */ for(br=status; br != NULL; br=NextToken(br)) OpTail(br,ender); /* Check for proper termination. */ if (parenthesized && (*token++ != ')')) Fail("unmatched()") else if (!parenthesized && (*token != '\0')) { if (*token == ')') Fail("unmatched()") else Fail("junk on end") } return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e p e a t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ static int Repeat(p) char *p; { register char *operand, *scan; register int count=0; scan=p; operand=Operand(p); switch(OpCode(p)) { case MatchAnyCharacter: { count=strlen(scan); scan+=count; break; } case MatchExactly: { while (*operand == *scan) { count++; scan++; } break; } case MatchAnyCharacterOf: { while ((*scan != '\0') && (strchr(operand,*scan) != NULL)) { count++; scan++; } break; } case MatchAnyCharacterBut: { while ((*scan != '\0') && (strchr(operand,*scan) == NULL)) { count++; scan++; } break; } default: { (void) fprintf(stderr,"Regular(3): %s","internal foulup"); count=0; break; } } p=scan; return(count); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % T a i l % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ static void Tail(p,val) char *p; char *val; { register char *scan, *temp; register int offset; if (p == &start_code) return; /* Find last node. */ scan=p; for(;;) { temp=NextToken(scan); if (temp == NULL) break; scan=temp; } if (OpCode(scan) == Back) offset=scan-val; else offset=val-scan; *(scan+1)=(offset >> 8) & 0377; *(scan+2)=offset & 0377; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % T r y % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ static int Try(regular_expression,pattern) RegularExpression *regular_expression; char *pattern; { register char **ep, **sp; register int i; p=pattern; subpattern=regular_expression->subpattern; subpattern_end=regular_expression->subpattern_end; sp=regular_expression->subpattern; ep=regular_expression->subpattern_end; for(i=NumberSubExpressions; i > 0; i--) { *sp++=NULL; *ep++=NULL; } if (!Match(regular_expression->program+1)) return(0); else { regular_expression->subpattern[0]=pattern; regular_expression->subpattern_end[0]=p; regular_expression->pattern_length=p-pattern; return(1); } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C o m p i l e R e g u l a r E x p r e s s i o n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function CompileRegularExpression compiles a regular expression into a % structure of type RegularExpression and returns a pointer to it. The space % is allocated using function malloc and may be released by function free. % % */ RegularExpression *CompileRegularExpression(regular_expression) char *regular_expression; { int flags; register char *longest, *scan; register RegularExpression *r; register int length; if (regular_expression == NULL) Fail("NULL argument"); /* First pass: determine size. */ token=regular_expression; number_parenthesis=1; code_size=0L; code=(&start_code); EmitCode(Magick); if (Regular(0,&flags) == NULL) return(NULL); /* Allocate space. */ r=(RegularExpression *) malloc((unsigned int) (code_size+sizeof(RegularExpression))); if (r == (RegularExpression *) NULL) Fail("out of space"); /* Second pass: emit code. */ token=regular_expression; number_parenthesis=1; code=r->program; EmitCode(Magick); if (Regular(0,&flags) == NULL) return(NULL); /* Dig out information for optimizations. */ r->start_character='\0'; r->anchor=0; r->priority_pattern=NULL; r->pattern_length=0; scan=r->program+1; if (OpCode(NextToken(scan)) == EndOfProgram) { scan=Operand(scan); if (OpCode(scan) == MatchExactly) r->start_character=(*Operand(scan)); else if (OpCode(scan) == MatchBeginningOfLine) r->anchor++; /* If there's something expensive in the regular expression, find the longest literal pattern that must appear and make it the priority_pattern. */ if (flags & SpecialStart) { longest=NULL; length=0; for(; scan != NULL; scan=NextToken(scan)) if ((OpCode(scan) == MatchExactly) && ((int) strlen(Operand(scan)) >= length)) { longest=Operand(scan); length=strlen(Operand(scan)); } r->priority_pattern=longest; r->pattern_length=length; } } return(r); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % E x e c u t e R e g u l a r E x p r e s s i o n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ExecuteRegularExpression matches a NULL-terminated pattern against % the compiled regular expression in regular-expression. It returns 1 for % success and 0 for failure. % % */ int ExecuteRegularExpression(regular_expression,pattern) register RegularExpression *regular_expression; register char *pattern; { register char *s; if ((regular_expression == (RegularExpression *) NULL) || (pattern == (char *) NULL)) { (void) fprintf(stderr,"Regular(3): %s","NULL parameter\n"); return(0); } /* Check validity of program. */ if (((int)*(unsigned char *)(regular_expression->program)) != Magick) { (void) fprintf(stderr,"Regular(3): %s","corrupted program"); return(0); } /* If there is a "must appear" pattern, look for it. */ if (regular_expression->priority_pattern != NULL) { s=pattern; while ((s=strchr(s,regular_expression->priority_pattern[0])) != NULL) { if (strncmp(s,regular_expression->priority_pattern, regular_expression->pattern_length) == 0) break; s++; } if (s == NULL) return(0); } /* Mark beginning of line for ^. */ start_pattern=pattern; /* Simplest case: anchored match need be tried only once. */ if (regular_expression->anchor) return(Try(regular_expression,pattern)); /* Messy cases: unanchored match. */ s=pattern; if (regular_expression->start_character != '\0') while ((s=strchr(s,regular_expression->start_character)) != NULL) { if (Try(regular_expression,s)) return(1); s++; } else do { if (Try(regular_expression,s)) return(1); } while (*s++ != '\0'); return(0); } (status,br); if (!(flags & NonNull)) *flagp &= ~NonNull; *flagp|=flags & SpecialStart; } /* Make a closing node an./ImageMagick/xtp/Imakefile010064400000240000024000000033430557021777500167350ustar00cristycristy00002330000007#ifndef XCOMM #define XCOMM # #endif #ifndef NullParameter #define NullParameter #endif XCOMM XCOMM Imakefile for xtp. XCOMM XCOMM Copyright 1994 E. I. du Pont de Nemours and Company XCOMM XCOMM Permission to use, copy, modify, distribute, and sell this software and XCOMM its documentation for any purpose is hereby granted without fee, XCOMM provided that the above Copyright notice appear in all copies and that XCOMM both that Copyright notice and this permission notice appear in XCOMM supporting documentation, and that the name of E. I. du Pont de Nemours XCOMM and Company not be used in advertising or publicity pertaining to XCOMM distribution of the software without specific, written prior XCOMM permission. E. I. du Pont de Nemours and Company makes no representations XCOMM about the suitability of this software for any purpose. It is provided XCOMM "as is" without express or implied warranty. XCOMM XCOMM E. I. du Pont de Nemours and Company disclaims all warranties with regard XCOMM to this software, including all implied warranties of merchantability XCOMM and fitness, in no event shall E. I. du Pont de Nemours and Company be XCOMM liable for any special, indirect or consequential damages or any XCOMM damages whatsoever resulting from loss of use, data or profits, whether XCOMM in an action of contract, negligence or other tortious action, arising XCOMM out of or in connection with the use or performance of this software. XCOMM #include "../Magick.tmpl" XTPObjects= xtp.o network.o regular.o PROGRAMS= xtp AllTarget($(PROGRAMS)) NormalProgramTarget(xtp,$(XTPObjects),NullParameter,NullParameter,NullParameter) InstallProgram(xtp,$(LOCALDIR)) InstallManPage(xtp,$(MANDIR)) DependTarget() ./ImageMagick/xtp/xtp.h010064400000240000024000000023420567336015500161010ustar00cristycristy00002330000007/* Include declarations */ #include #if defined(__STDC__) || defined(sgi) || defined(_AIX) #include #else #ifdef vms #include #else #include #include #endif #endif #include #include #include #include #include #include #include #include #undef index #undef assert /* Define declarations for the Display program. */ #if __STDC__ || defined(sgi) || defined(_AIX) #define _Declare(formal_parameters) formal_parameters #else #define const #define _Declare(formal_parameters) () #endif #define False 0 #define IsGlob(text) \ ((strchr(text,'*') != (char *) NULL) || \ (strchr(text,'?') != (char *) NULL) || \ (strchr(text,'{') != (char *) NULL) || \ (strchr(text,'}') != (char *) NULL)) #define Max(x,y) (((x) > (y)) ? (x) : (y)) #define MaxTextLength 2048 #define True 1 #define Warning(message,qualifier) \ { \ (void) fprintf(stderr,"%s: %s",client_name,message); \ if (qualifier != (char *) NULL) \ (void) fprintf(stderr," (%s)",qualifier); \ (void) fprintf(stderr,".\n"); \ } #ifndef lint static char Version[]="@(#)ImageMagick 2.1 92/10/10 cristy@dupont.com"; #endif de #include #include #include #include #include #include #include #undef index #undef assert /* Define declarations for the Display program. */ #if __STDC__ || defined(sgi) || defined(_AIX) #def./ImageMagick/xtp/xtp.man010064400000240000024000000224030577201737200164250ustar00cristycristy00002330000007.ad l .nh .TH XTP 1 "10 December 1994" .SH NAME xtp - file transfer program .SH SYNOPSIS .B "xtp" [ \fI-options\fP ... ] \fI\fP .SH DESCRIPTION .PP .I Xtp is a utility for retrieving, listing, or printing files from a remote network site, or sending files to a remote network site. .I xtp performs most of the same functions as the \fBftp(1)\fP program, but does not require any interactive commands. You simply specify the file transfer task on the command line and \fBxtp\fP performs the task automatically. .SH EXAMPLES .PP To retrieve the file \fBbird.jpg\fP in directory \fBimages\fP from host \fBwizard.dupont.com\fP, use: .PP .B xtp ftp://wizard.dupont.com/images/bird.jpg .PP To retrieve all the files from directory \fBpublic/documents\fP from host \fBwizard.dupont.com\fP, use: .PP xtp -retrieve ftp://wizard.dupont.com/documents/public/ .PP .SH OPTIONS .TP .B "-account \fIpassword\fP" Supply a supplemental password required by a remote system for access to resources. .TP .B "-binary" retrieve files as binary. This is the default. Use \fB+binary\fP to retrieve files as text. .TP .B "-directory list the names of files and their attributes that match the filename component of the uniform resource locator. The filename component is processed as a regular expression. .TP .B "-exclude \fIexpression\fP exclude files that match the regular \fIexpression\fP. This option applies to the \fB-directory\fP, \fB-print\fP, or \fB-retrieve\fP options. .TP .B "-file \fIname\fP" store the file with this name. Refer to the \fB-get\fP and \fB-put\fP option for more details. .TP .B "-get get files that match the filename component of the uniform resource locator. The filename component is expanded by passing it to \fBcsh(1)\fP. This option is equivalent to using the \fBftp get\fP command. However, if the filename contains globbing characters this option is equivalent to the \fBftp mget\fP command. Without globbing characters, you can store the file locally with a different name by using the \fB-file\fP option. .TP .B "-ident \fIpassword\fP" Supply a password required by a remote system. This defaults to your username and hostname. .TP .B "-port \fInumber\fP" If no port number is specified, \fBxtp\fP attempts to contact a FTP server at the default port. Otherwise, the specified port number is used. .TP .B "-proxy \fIhostname\fP" access the remote host via a proxy \fBftpd\fP client running on this host. The default value of this option can be set with the environment variable \fBxtp_proxy\fP. See \fBENVIRONMENT\fP for more details. Use \fB+proxy\fP to prevent proxy connections. .TP .B "-print print files that match the filename component of the uniform resource locator. The filename component is processed as a regular expression. .TP .B "-prune" process files in the remote directory specified by the directory component of the uniform resource locator. Do not recursively search for files. .TP .B "-put put files that match the filename component of the uniform resource locator. The filename component is expanded by passing it to \fBcsh(1)\fP. This option is equivalent to using the \fBftp put\fP command. However, if the filename contains globbing characters this option is equivalent to the \fBftp mput\fP command. Without globbing characters, you can store the file remotely with a different name by using the \fB-file\fP option. .TP .B "-retrieve retrieve files that match the filename component of the uniform resource locator. The filename component is processed as a regular expression. Retrieved files are stored on your local host directory as the full name of the retrieved file. For example, if the retrieved file is named \fBdocuments/xtp.man\fP on the remote FTP server, it will appear in your remote directory as \fBdocuments/xtp.man\fP. .TP .B "-timeout \fIseconds\fP" specifies the maximum seconds to complete your remote FTP server request. If this time expires, the program terminates. The program also terminates if one tenth of this value is exceeded while logging onto the remote FTP server. .TP .TP .B "-type \fIname\fP" identify the remote system type: UNIX, VMS, or other. The system type is determined automatically, however, you can override the system type with this option. .TP .B "-user \fIname\fP" identify yourself to the remote FTP server. This defaults to your username. If \fB-user\fP is specified but not \fB-ident\fP, the password is obtained from you interactively. .TP .B "-verbose" show all responses from the remote server. .PP If only the program name is specified on the command line, the program command syntax and options are listed. .PP If neither \fB-directory\fP, \fB-print\fP, \fB-put\fP, or \fB-retrieve\fP are specified on the command line, the file or files specified by the uniform resource locator is retrieved from the remote network host (as if \fB-get\fP was specified). .PP The uniform resource locator is as described in the World Wide Web specification with one exception. The filename part of the locator is expanded with \fBcsh(1)\fP for options \fB-get\fP or \fB-put\fP otherwise it is processed as a regular expression (described in the next section). For convenience, the protocol component of the uniform resource locator (\fBftp://\fP) may be omitted. .PP \fBXtp\fP retrieves files from the remote directory for \fB-get\fP and puts files in the remote directory for \fB-put\fP. Otherwise, \fBxtp\fP looks for a file of the form \fBls-lls-l([Rt])+([Rt])*\fP and assumes it contains a recursive directory listing. If none is found, \fBxtp\fP recursively descends the directory hierarchy from the remote directory. Some remote hosts may have thousands of files causing a significant delay satisfying your request. This can be wasteful if the files you are interested in reside in a known directory. You can reduce the searching required by specifying \fI\fP on the command line. This limits the filename search to the specified directory and any of its subdirectories. Alternatively, \fB-prune\fP restricts the search to the remote directory only. .SH REGULAR EXPRESSIONS A \fIregular expression\fP is zero or more branches, separated by \fB|\fP. It matches anything that matches one of the branches. .PP A branch is zero or more pieces, concatenated. It matches a match for the first, followed by a match for the second, etc. .PP A piece is an atom possibly followed by \fB*\fP, \fB+\fP, or \fB?\fP. An atom followed by \fB*\fP matches a sequence of 0 or more matches of the atom. An atom followed by \fB+\fP matches a sequence of 1 or more matches of the atom. An atom followed by \fB?\fP matches a match of the atom, or the null pattern. .PP An atom is a \fIregular expression\fP in parentheses (matching a match for the \fIregular expression\fP), a range (see below), \fB.\fP (matching any single character), \fB^\fP (matching the null pattern at the beginning of the input pattern), \fB$\fP (matching the null pattern at the end of the input pattern), a \fB\'\fP followed by a single character (matching that character), or a single character with no other significance (matching that character). .PP A range is a sequence of characters enclosed in \fB[]\fP. It normally matches any single character from the sequence. If the sequence begins with \fB^\fP, it matches any single character not from the rest of the sequence. If two characters in the sequence are separated by \fB-\fP, this is shorthand for the full list of ASCII characters between them (e.g. \fB[0-9]\fP matches any decimal digit). To include a literal \fB]\fP in the sequence, make it the first character (following a possible \fB^\fP). To include a literal \fB-\fP, make it the first or last character. .SH ENVIRONMENT .TP .B "xtp_proxy" Specifies that the remote site should be contacted by proxy. See \fB-proxy\fP. .SH SEE ALSO .B ftp(1C), Mosaic(1) .SH COPYRIGHT Copyright 1995 E. I. Dupont de Nemours and Company .PP Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. Dupont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. Dupont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty. .PP E. I. Dupont de Nemours and Company disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness, in no event shall E. I. Dupont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortious action, arising out of or in connection with the use or performance of this software. .SH ACKNOWLEDGEMENTS Steve Singles, University of Delaware, for the initial implementation of this program. .PP Henry Spencer, University of Toronto, for the implementation of the \fIregular expression\fP interpreter and the text in \fBREGULAR EXPRESSIONS\fP. .SH AUTHOR John Cristy, E.I. DuPont De Nemours and Company Incorporated site, or sending files to a remote network site. .I xtp performs most of the same functions as the \fBftp(1)\fP program, but does not require any interactive commands. You simply specify the file transfer task on the command line and \fBxtp\fP performs./ImageMagick/xtp/Makefile.in010064400000240000024000000035460567410762200171700ustar00cristycristy00002330000007# # Generic makefile for xtp for computers that do not have xmkmf. # # Copyright 1995 E. I. du Pont de Nemours and Company # # Permission to use, copy, modify, distribute, and sell this software and # its documentation for any purpose is hereby granted without fee, # provided that the above Copyright notice appear in all copies and that # both that Copyright notice and this permission notice appear in # supporting documentation, and that the name of E. I. du Pont de Nemours # and Company not be used in advertising or publicity pertaining to # distribution of the software without specific, written prior # permission. E. I. du Pont de Nemours and Company makes no representations # about the suitability of this software for any purpose. It is provided # "as is" without express or implied warranty. # # E. I. du Pont de Nemours and Company disclaims all warranties with regard # to this software, including all implied warranties of merchantability # and fitness, in no event shall E. I. du Pont de Nemours and Company be # liable for any special, indirect or consequential damages or any # damages whatsoever resulting from loss of use, data or profits, whether # in an action of contract, negligence or other tortious action, arising # out of or in connection with the use or performance of this software. # CC = @CC@ DEFS = @DEFS@ INSTALL = @INSTALL@ INSTALL_DATA = @INSTALL_DATA@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ LDFLAGS = LIBS = @LIBS@ @X_EXTRA_LIBS@ -lm LOCALDIR= /usr/local/bin LOCALMAN= /usr/local/man/mann XTPObjects= xtp.o network.o regular.o CFLAGS= -O PROGRAMS= xtp all: $(PROGRAMS) xtp: $(XTPObjects) rm -f $@ $(CC) -o $@ $(XTPObjects) $(LIBS) clean:: rm -f xtp install:: xtp $(INSTALL_PROGRAM) xtp $(LOCALDIR)/xtp $(INSTALL_DATA) xtp.man $(LOCALMAN)/xtp.n clean:: rm -f *.ln *.bak *.o core errs ,* *~ *.a .emacs_* make.log MakeOut ./ImageMagick/xtp/configure010077500000240000024000001243410574360573300170340ustar00cristycristy00002330000007#! /bin/sh # Guess values for system-dependent variables and create Makefiles. # Generated automatically using autoconf version 2.3 # Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc. # # This configure script is free software; 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×cÁh:”„‚=Hp&¾–ûÅh./ImageMagick/scenes/004077500000240000024000000000000546016122200155525ustar00cristycristy00002330000007./ImageMagick/scenes/Makefile010064400000240000024000000120230564302143300172050ustar00cristycristy00002330000007# # POV Makefile for DNA molecule. # all: povray +Idna.script +Odna.1 +ft +W256 +H256 -Q9 +R5 +A +J +V -K0 povray +Idna.script +Odna.2 +ft +W256 +H256 -Q9 +R5 +A +J +V -K5 povray +Idna.script +Odna.3 +ft +W256 +H256 -Q9 +R5 +A +J +V -K10 povray +Idna.script +Odna.4 +ft +W256 +H256 -Q9 +R5 +A +J +V -K15 povray +Idna.script +Odna.5 +ft +W256 +H256 -Q9 +R5 +A +J +V -K20 povray +Idna.script +Odna.6 +ft +W256 +H256 -Q9 +R5 +A +J +V -K25 povray +Idna.script +Odna.7 +ft +W256 +H256 -Q9 +R5 +A +J +V -K30 povray +Idna.script +Odna.8 +ft +W256 +H256 -Q9 +R5 +A +J +V -K35 povray +Idna.script +Odna.9 +ft +W256 +H256 -Q9 +R5 +A +J +V -K40 povray +Idna.script +Odna.10 +ft +W256 +H256 -Q9 +R5 +A +J +V -K45 povray +Idna.script +Odna.11 +ft +W256 +H256 -Q9 +R5 +A +J +V -K50 povray +Idna.script +Odna.12 +ft +W256 +H256 -Q9 +R5 +A +J +V -K55 povray +Idna.script +Odna.13 +ft +W256 +H256 -Q9 +R5 +A +J +V -K60 povray +Idna.script +Odna.14 +ft +W256 +H256 -Q9 +R5 +A +J +V -K65 povray +Idna.script +Odna.15 +ft +W256 +H256 -Q9 +R5 +A +J +V -K70 povray +Idna.script +Odna.16 +ft +W256 +H256 -Q9 +R5 +A +J +V -K75 povray +Idna.script +Odna.17 +ft +W256 +H256 -Q9 +R5 +A +J +V -K80 povray +Idna.script +Odna.18 +ft +W256 +H256 -Q9 +R5 +A +J +V -K85 povray +Idna.script +Odna.19 +ft +W256 +H256 -Q9 +R5 +A +J +V -K90 povray +Idna.script +Odna.20 +ft +W256 +H256 -Q9 +R5 +A +J +V -K95 povray +Idna.script +Odna.21 +ft +W256 +H256 -Q9 +R5 +A +J +V -K100 povray +Idna.script +Odna.22 +ft +W256 +H256 -Q9 +R5 +A +J +V -K105 povray +Idna.script +Odna.23 +ft +W256 +H256 -Q9 +R5 +A +J +V -K110 povray +Idna.script +Odna.24 +ft +W256 +H256 -Q9 +R5 +A +J +V -K115 povray +Idna.script +Odna.25 +ft +W256 +H256 -Q9 +R5 +A +J +V -K120 povray +Idna.script +Odna.26 +ft +W256 +H256 -Q9 +R5 +A +J +V -K125 povray +Idna.script +Odna.27 +ft +W256 +H256 -Q9 +R5 +A +J +V -K130 povray +Idna.script +Odna.28 +ft +W256 +H256 -Q9 +R5 +A +J +V -K135 povray +Idna.script +Odna.29 +ft +W256 +H256 -Q9 +R5 +A +J +V -K140 povray +Idna.script +Odna.30 +ft +W256 +H256 -Q9 +R5 +A +J +V -K145 povray +Idna.script +Odna.31 +ft +W256 +H256 -Q9 +R5 +A +J +V -K150 povray +Idna.script +Odna.32 +ft +W256 +H256 -Q9 +R5 +A +J +V -K155 povray +Idna.script +Odna.33 +ft +W256 +H256 -Q9 +R5 +A +J +V -K160 povray +Idna.script +Odna.34 +ft +W256 +H256 -Q9 +R5 +A +J +V -K165 povray +Idna.script +Odna.35 +ft +W256 +H256 -Q9 +R5 +A +J +V -K170 povray +Idna.script +Odna.36 +ft +W256 +H256 -Q9 +R5 +A +J +V -K175 povray +Idna.script +Odna.37 +ft +W256 +H256 -Q9 +R5 +A +J +V -K180 povray +Idna.script +Odna.38 +ft +W256 +H256 -Q9 +R5 +A +J +V -K185 povray +Idna.script +Odna.39 +ft +W256 +H256 -Q9 +R5 +A +J +V -K190 povray +Idna.script +Odna.40 +ft +W256 +H256 -Q9 +R5 +A +J +V -K195 povray +Idna.script +Odna.41 +ft +W256 +H256 -Q9 +R5 +A +J +V -K200 povray +Idna.script +Odna.42 +ft +W256 +H256 -Q9 +R5 +A +J +V -K205 povray +Idna.script +Odna.43 +ft +W256 +H256 -Q9 +R5 +A +J +V -K210 povray +Idna.script +Odna.44 +ft +W256 +H256 -Q9 +R5 +A +J +V -K215 povray +Idna.script +Odna.45 +ft +W256 +H256 -Q9 +R5 +A +J +V -K220 povray +Idna.script +Odna.46 +ft +W256 +H256 -Q9 +R5 +A +J +V -K225 povray +Idna.script +Odna.47 +ft +W256 +H256 -Q9 +R5 +A +J +V -K230 povray +Idna.script +Odna.48 +ft +W256 +H256 -Q9 +R5 +A +J +V -K235 povray +Idna.script +Odna.49 +ft +W256 +H256 -Q9 +R5 +A +J +V -K240 povray +Idna.script +Odna.50 +ft +W256 +H256 -Q9 +R5 +A +J +V -K245 povray +Idna.script +Odna.51 +ft +W256 +H256 -Q9 +R5 +A +J +V -K250 povray +Idna.script +Odna.52 +ft +W256 +H256 -Q9 +R5 +A +J +V -K255 povray +Idna.script +Odna.53 +ft +W256 +H256 -Q9 +R5 +A +J +V -K260 povray +Idna.script +Odna.54 +ft +W256 +H256 -Q9 +R5 +A +J +V -K265 povray +Idna.script +Odna.55 +ft +W256 +H256 -Q9 +R5 +A +J +V -K270 povray +Idna.script +Odna.56 +ft +W256 +H256 -Q9 +R5 +A +J +V -K275 povray +Idna.script +Odna.57 +ft +W256 +H256 -Q9 +R5 +A +J +V -K280 povray +Idna.script +Odna.58 +ft +W256 +H256 -Q9 +R5 +A +J +V -K285 povray +Idna.script +Odna.59 +ft +W256 +H256 -Q9 +R5 +A +J +V -K290 povray +Idna.script +Odna.60 +ft +W256 +H256 -Q9 +R5 +A +J +V -K295 povray +Idna.script +Odna.61 +ft +W256 +H256 -Q9 +R5 +A +J +V -K300 povray +Idna.script +Odna.62 +ft +W256 +H256 -Q9 +R5 +A +J +V -K305 povray +Idna.script +Odna.63 +ft +W256 +H256 -Q9 +R5 +A +J +V -K310 povray +Idna.script +Odna.64 +ft +W256 +H256 -Q9 +R5 +A +J +V -K315 povray +Idna.script +Odna.65 +ft +W256 +H256 -Q9 +R5 +A +J +V -K320 povray +Idna.script +Odna.66 +ft +W256 +H256 -Q9 +R5 +A +J +V -K325 povray +Idna.script +Odna.67 +ft +W256 +H256 -Q9 +R5 +A +J +V -K330 povray +Idna.script +Odna.68 +ft +W256 +H256 -Q9 +R5 +A +J +V -K335 povray +Idna.script +Odna.69 +ft +W256 +H256 -Q9 +R5 +A +J +V -K340 povray +Idna.script +Odna.70 +ft +W256 +H256 -Q9 +R5 +A +J +V -K345 povray +Idna.script +Odna.71 +ft +W256 +H256 -Q9 +R5 +A +J +V -K350 povray +Idna.script +Odna.72 +ft +W256 +H256 -Q9 +R5 +A +J +V -K355 cat dna.[0-9] dna.[0-9][0-9] | convert -verbose tga:- miff:dna /bin/rm dna.72 mogrify -verbose -colors 256 dna.[0-9]* clean: /bin/rm -f dna.[0-9]* dna.log r DNA molecule. # all: povray +Idna.script +Odna.1 +ft +W256 +H256 -Q9 +R5 +A +J +V -K0 povray +Idna.script +Odna.2 +ft +W256 +H256 -Q9 +R5 +A +J +V -K5 povray +Idna.script +Odna.3 +ft +W256 +H256 -Q9 +R5 +A +J +V -K10 povray +Idna.script +Odna.4 +ft +W256 +H256 -Q9 +R5 +A +J +V -K15 povray +Idna.script +Odna.5 +ft +W256 +H256 -Q9 +R5 +A +J +V -K20 povray +Idna.script +Odna.6 +ft +W256 +H256 -Q9 +R5 +A +J +V -K25 povray +Idna.script +Odna.7 +ft +W256 +H256 -Q9 +R5 +A +J +V -K30 po./ImageMagick/scenes/README010064400000240000024000000006650560265655500164540ustar00cristycristy00002330000007The DNA sequence is useful for testing the animate(1) program from contrib/apllications/ImageMagick/ImageMagick-3.1.tar.gz on ftp.x.org. Animate(1) is a program that can display image sequences on any X server. Type: make -i animate dna.[0-9]* ImageMagick requires POV to generate the DNA image sequence. Alternately, you can get the image sequence from contrib/applications/ImageMagick/ImageMagick.animation.tar.gz on ftp.x.org. ./ImageMagick/scenes/dna.script010064400000240000024000000777340560265613700175730ustar00cristycristy00002330000007// // POV script for creating a spinning DNA molecule image sequence. // // Copyright 1994 E. I. du Pont de Nemours and Company // // Permission to use, copy, modify, distribute, and sell this software and // its documentation for any purpose is hereby granted without fee, // provided that the above Copyright notice appear in all copies and that // both that Copyright notice and this permission notice appear in // supporting documentation, and that the name of E. I. du Pont de Nemours // and Company not be used in advertising or publicity pertaining to // distribution of the software without specific, written prior // permission. E. I. du Pont de Nemours and Company makes no representations // about the suitability of this software for any purpose. It is provided // "as is" without express or implied warranty. // // E. I. du Pont de Nemours and Company disclaims all warranties with regard // to this software, including all implied warranties of merchantability // and fitness, in no event shall E. I. du Pont de Nemours and Company be // liable for any special, indirect or consequential damages or any // damages whatsoever resulting from loss of use, data or profits, whether // in an action of contract, negligence or other tortious action, arising // out of or in connection with the use or performance of this software. // #declare atom_O = sphere { <0.0 0.0 0.0> 2.22429 pigment { color red 0.90 green 0.00 blue 0.00 } finish { ambient 0.2 diffuse 0.80 specular 0.2 reflection 0.00 phong 1.0 phong_size 100 } } #declare atom_C = sphere { <0.0 0.0 0.0> 2.70093 pigment { color red 0.32 green 0.32 blue 0.32 } finish { ambient 0.2 diffuse 0.80 specular 0.2 reflection 0.00 phong 1.0 phong_size 100 } } #declare atom_N = sphere { <0.0 0.0 0.0> 2.44672 pigment { color red 0.00 green 0.00 blue 0.90 } finish { ambient 0.2 diffuse 0.80 specular 0.2 reflection 0.00 phong 1.0 phong_size 100 } } #declare atom_P = sphere { <0.0 0.0 0.0> 2.85981 pigment { color red 0.90 green 0.90 blue 0.00 } finish { ambient 0.2 diffuse 0.80 specular 0.2 reflection 0.00 phong 1.0 phong_size 100 } } #declare molecule_DNA = union { object {atom_O translate <40.71169, 7.07008, -19.96654>} object {atom_C translate <37.85082, 6.08080, -20.30633>} object {atom_C translate <37.49451, 3.45211, -18.52562>} object {atom_O translate <38.32873, 3.99314, -15.61836>} object {atom_C translate <34.51841, 2.21794, -18.35552>} object {atom_O translate <34.71203, -0.70266, -17.64078>} object {atom_C translate <33.52023, 3.89230, -15.79419>} object {atom_C translate <35.99492, 3.13117, -13.87875>} object {atom_N translate <36.03749, 4.88010, -11.25832>} object {atom_C translate <36.92636, 3.82070, -8.70081>} object {atom_O translate <37.67140, 1.31954, -8.53515>} object {atom_N translate <36.90455, 5.49210, -6.42207>} object {atom_C translate <36.01080, 8.17164, -6.60404>} object {atom_N translate <35.88624, 9.80427, -4.23124>} object {atom_C translate <35.07702, 9.31980, -9.15562>} object {atom_C translate <35.11621, 7.59035, -11.53816>} object {atom_P translate <32.73897, -3.13710, -18.92938>} object {atom_O translate <29.80989, -2.23849, -19.56130>} object {atom_O translate <34.33516, -4.55303, -21.20071>} object {atom_O translate <32.36465, -5.16714, -16.25599>} object {atom_C translate <34.68449, -6.67585, -15.05636>} object {atom_C translate <33.44990, -7.80960, -12.35628>} object {atom_O translate <33.48803, -5.51646, -10.36331>} object {atom_C translate <30.39753, -8.91307, -12.52532>} object {atom_O translate <30.15646, -11.74682, -11.38013>} object {atom_C translate <28.79095, -6.59705, -10.89502>} object {atom_C translate <30.95784, -5.60459, -8.70737>} object {atom_N translate <30.48375, -2.56366, -7.96425>} object {atom_C translate <29.88446, -0.41012, -9.80639>} object {atom_N translate <29.66034, 2.12028, -8.53303>} object {atom_C translate <30.14777, 1.53858, -5.78062>} object {atom_C translate <30.16726, 3.41715, -3.42393>} object {atom_O translate <29.73977, 5.98547, -3.38453>} object {atom_N translate <30.81315, 2.01606, -0.96259>} object {atom_C translate <31.39126, -0.79990, -0.67407>} object {atom_N translate <31.97508, -1.77965, 1.97941>} object {atom_N translate <31.35694, -2.55942, -2.88353>} object {atom_C translate <30.71889, -1.25853, -5.35568>} object {atom_P translate <27.18967, -13.35212, -11.00221>} object {atom_O translate <24.95945, -12.07411, -12.77593>} object {atom_O translate <27.65550, -16.41021, -11.43097>} object {atom_O translate <26.44294, -12.83249, -7.74902>} object {atom_C translate <28.26284, -13.92642, -5.58891>} object {atom_C translate <27.19094, -12.70136, -2.86786>} object {atom_O translate <27.28097, -9.69644, -3.05915>} object {atom_C translate <24.15446, -13.41398, -2.19782>} object {atom_O translate <24.03245, -15.73678, -0.25823>} object {atom_C translate <22.93004, -10.68657, -0.99606>} object {atom_C translate <25.39159, -8.62645, -0.97000>} object {atom_N translate <24.47540, -5.90836, -2.20523>} object {atom_C translate <24.37583, -3.55252, -0.56794>} object {atom_O translate <25.00690, -3.78935, 1.95505>} object {atom_N translate <23.63546, -1.07084, -1.72330>} object {atom_C translate <22.98385, -0.89290, -4.46935>} object {atom_N translate <22.33986, 1.67034, -5.64907>} object {atom_C translate <23.04486, -3.27183, -6.20960>} object {atom_C translate <23.81722, -5.84799, -5.00678>} object {atom_P translate <21.07498, -17.05505, 0.69737>} object {atom_O translate <19.00914, -16.62078, -1.59916>} object {atom_O translate <21.56136, -19.97883, 1.65593>} object {atom_O translate <20.24712, -15.15063, 3.33009>} object {atom_C translate <21.99478, -15.13029, 5.81049>} object {atom_C translate <20.63542, -13.14177, 7.88163>} object {atom_O translate <20.53564, -10.34467, 6.68305>} object {atom_C translate <17.59046, -13.83490, 8.68555>} object {atom_O translate <16.87848, -12.69585, 11.35873>} object {atom_C translate <16.01778, -12.28213, 6.34665>} object {atom_C translate <17.63071, -9.50409, 6.55298>} object {atom_N translate <17.27461, -7.72805, 3.98975>} object {atom_C translate <16.68422, -8.53303, 1.26467>} object {atom_N translate <16.49314, -6.32441, -0.51244>} object {atom_C translate <16.97529, -4.07067, 1.17570>} object {atom_C translate <16.99393, -1.13354, 0.49422>} object {atom_O translate <16.58699, 0.01229, -1.80549>} object {atom_N translate <17.49090, 0.48744, 2.85070>} object {atom_C translate <17.95037, -0.45587, 5.54718>} object {atom_N translate <18.32702, 1.52121, 7.61366>} object {atom_N translate <17.95016, -3.20531, 6.18481>} object {atom_C translate <17.44875, -4.85278, 3.91900>} object {atom_P translate <14.40654, -14.08572, 13.19219>} object {atom_O translate <12.08692, -15.04852, 11.28078>} object {atom_O translate <15.64346, -16.22316, 15.08623>} object {atom_O translate <13.38739, -11.39665, 14.97056>} object {atom_C translate <15.46552, -9.51574, 16.17613>} object {atom_C translate <14.23962, -6.60806, 15.89333>} object {atom_O translate <14.04176, -5.99458, 12.94285>} object {atom_C translate <11.24889, -6.21298, 17.06288>} object {atom_O translate <11.17284, -4.12533, 19.27532>} object {atom_C translate <9.47899, -5.52515, 14.41470>} object {atom_C translate <11.68973, -4.12130, 12.55964>} object {atom_N translate <10.96842, -4.45219, 9.52973>} object {atom_C translate <10.62673, -6.91459, 8.03436>} object {atom_N translate <10.25093, -6.48032, 5.24531>} object {atom_C translate <10.32740, -3.63534, 4.99598>} object {atom_C translate <10.07828, -1.81905, 2.59628>} object {atom_N translate <9.69379, -2.83079, -0.08007>} object {atom_N translate <10.23292, 0.96280, 3.05300>} object {atom_C translate <10.63626, 1.93514, 5.67767>} object {atom_N translate <10.91313, 0.48871, 8.07864>} object {atom_C translate <10.72671, -2.33170, 7.56048>} object {atom_P translate <8.31198, -3.29196, 20.86833>} object {atom_O translate <6.27092, -5.65183, 20.68340>} object {atom_O translate <9.05468, -2.20142, 23.70442>} object {atom_O translate <7.11319, -0.67280, 19.11326>} object {atom_C translate <8.46386, 2.03449, 19.34734>} object {atom_C translate <6.80708, 3.92239, 17.43551>} object {atom_O translate <6.64948, 2.42512, 14.80935>} object {atom_C translate <3.74942, 4.50790, 18.29154>} object {atom_O translate <3.21834, 7.48825, 18.68979>} object {atom_C translate <2.07442, 3.06804, 15.92807>} object {atom_C translate <4.11929, 3.35636, 13.47880>} object {atom_N translate <3.58122, 1.22718, 11.22993>} object {atom_C translate <3.44924, -1.65403, 11.49982>} object {atom_N translate <3.14759, -2.98627, 9.00861>} object {atom_C translate <3.10204, -0.85985, 7.09783>} object {atom_C translate <2.93406, -0.87277, 4.07067>} object {atom_N translate <2.81606, -3.31441, 2.52680>} object {atom_N translate <3.00714, 1.62289, 2.75770>} object {atom_C translate <3.20966, 3.99335, 4.28526>} object {atom_N translate <3.38675, 4.28759, 7.08385>} object {atom_C translate <3.32108, 1.73071, 8.36653>} object {atom_P translate <0.10285, 8.68725, 19.28421>} object {atom_O translate <-1.69587, 6.55595, 20.74822>} object {atom_O translate <0.29880, 11.49346, 20.66306>} object {atom_O translate <-1.00951, 9.18168, 16.15198>} object {atom_C translate <0.56804, 10.97234, 14.29226>} object {atom_C translate <-1.14106, 10.93951, 11.62650>} object {atom_O translate <-1.18576, 8.11889, 10.59294>} object {atom_C translate <-4.23792, 11.67035, 12.09402>} object {atom_O translate <-4.76306, 14.57527, 11.41508>} object {atom_C translate <-5.84132, 9.46702, 10.31819>} object {atom_C translate <-3.45581, 8.05449, 8.64679>} object {atom_N translate <-3.87737, 5.00297, 8.04369>} object {atom_C translate <-3.90893, 4.12427, 5.31352>} object {atom_O translate <-3.72337, 5.86854, 3.37203>} object {atom_N translate <-4.09281, 1.28395, 4.78774>} object {atom_C translate <-4.29554, -0.69673, 6.89743>} object {atom_O translate <-4.34892, -3.22205, 6.21828>} object {atom_C translate <-4.37074, 0.25018, 9.69644>} object {atom_C translate <-4.70417, -1.80803, 12.10652>} object {atom_C translate <-4.12056, 3.14431, 10.23620>} object {atom_P translate <-7.89085, 15.85287, 11.39983>} object {atom_O translate <-9.72324, 14.49224, 13.55316>} object {atom_O translate <-7.60254, 18.95671, 11.65319>} object {atom_O translate <-8.95745, 15.10741, 8.26315>} object {atom_C translate <-7.40150, 16.18715, 5.85244>} object {atom_C translate <-8.71765, 14.83838, 3.29831>} object {atom_O translate <-8.79370, 11.86863, 3.87853>} object {atom_C translate <-11.80158, 15.64463, 2.76046>} object {atom_O translate <-12.16064, 17.46813, 0.32030>} object {atom_C translate <-13.35668, 12.77995, 2.71915>} object {atom_C translate <-10.93262, 10.75500, 2.07516>} object {atom_N translate <-11.38384, 7.79605, 3.06720>} object {atom_C translate <-11.18132, 5.60056, 1.20154>} object {atom_O translate <-10.81908, 6.04013, -1.33648>} object {atom_N translate <-11.24996, 2.90154, 2.22196>} object {atom_C translate <-11.58995, 2.32153, 5.04025>} object {atom_O translate <-11.53488, -0.18493, 5.76834>} object {atom_C translate <-11.91936, 4.58141, 6.92688>} object {atom_C translate <-12.36613, 4.07491, 10.05064>} object {atom_C translate <-11.73273, 7.34632, 5.90116>} object {atom_P translate <-15.22212, 18.21168, -0.93759>} object {atom_O translate <-17.41443, 18.11148, 1.28818>} object {atom_O translate <-15.04037, 20.86283, -2.55879>} object {atom_O translate <-15.62313, 15.69229, -3.13922>} object {atom_C translate <-13.58462, 15.32857, -5.38322>} object {atom_C translate <-14.53767, 12.82126, -7.11054>} object {atom_O translate <-14.70058, 10.42008, -5.26183>} object {atom_C translate <-17.43349, 13.06021, -8.49893>} object {atom_O translate <-17.30872, 12.41135, -11.46274>} object {atom_C translate <-19.26123, 11.06004, -6.71123>} object {atom_C translate <-17.10917, 8.76690, -6.07995>} object {atom_N translate <-17.84065, 7.03830, -3.52921>} object {atom_C translate <-17.77837, 4.14757, -3.70737>} object {atom_O translate <-17.39896, 3.04580, -6.03547>} object {atom_N translate <-18.08934, 2.57171, -1.37038>} object {atom_C translate <-18.52488, 3.80079, 1.13248>} object {atom_N translate <-18.80832, 2.16223, 3.48240>} object {atom_C translate <-18.71342, 6.74258, 1.39622>} object {atom_C translate <-18.34058, 8.38877, -1.02085>} object {atom_P translate <-19.67389, 13.58197, -13.60464>} object {atom_O translate <-21.14785, 16.07657, -12.37047>} object {atom_O translate <-18.27830, 13.88998, -16.41424>} object {atom_O translate <-21.90920, 11.05030, -13.75610>} object {atom_C translate <-21.09341, 8.41631, -15.05869>} object {atom_C translate <-23.35880, 6.29836, -14.39437>} object {atom_O translate <-23.15946, 5.68000, -11.42927>} object {atom_C translate <-26.43257, 7.23214, -14.84410>} object {atom_O translate <-28.10651, 4.95912, -15.90731>} object {atom_C translate <-27.31466, 8.06720, -11.86079>} object {atom_C translate <-26.00402, 5.53108, -10.44698>} object {atom_N translate <-25.97373, 5.66899, -7.33000>} object {atom_C translate <-26.11396, 7.92569, -5.52472>} object {atom_N translate <-26.05380, 7.14020, -2.79435>} object {atom_C translate <-25.85595, 4.29289, -2.92294>} object {atom_C translate <-25.68944, 2.25544, -0.69864>} object {atom_O translate <-25.67440, 2.63844, 1.87519>} object {atom_N translate <-25.50154, -0.43660, -1.76101>} object {atom_C translate <-25.47464, -1.20938, -4.54370>} object {atom_N translate <-25.26407, -4.01093, -5.17392>} object {atom_N translate <-25.61191, 0.68402, -6.61569>} object {atom_C translate <-25.77990, 3.34979, -5.64102>} object {atom_P translate <-28.94263, 4.89154, -19.18211>} object {atom_O translate <-31.69737, 6.36064, -19.42847>} object {atom_O translate <-26.58594, 5.98590, -20.93951>} object {atom_O translate <-29.17777, 1.57904, -19.78521>} object {atom_C translate <-26.58657, -0.06292, -19.97396>} object {atom_C translate <-27.00368, -2.86765, -18.48792>} object {atom_O translate <-27.59047, -2.24378, -15.58553>} object {atom_C translate <-29.44532, -4.74304, -19.46004>} object {atom_O translate <-28.63949, -7.67318, -19.74305>} object {atom_C translate <-31.71431, -4.16727, -17.22388>} object {atom_C translate <-29.82981, -4.05097, -14.63311>} object {atom_N translate <-31.15294, -2.47511, -12.26519>} object {atom_C translate <-31.40058, -3.74571, -9.69729>} object {atom_O translate <-30.63331, -6.22273, -9.49414>} object {atom_N translate <-32.39304, -2.28086, -7.48168>} object {atom_C translate <-33.15524, 0.42855, -7.77825>} object {atom_N translate <-34.03838, 1.95166, -5.48702>} object {atom_C translate <-32.98386, 1.78050, -10.38491>} object {atom_C translate <-31.93886, 0.25654, -12.67869>} object {atom_P translate <-30.57823, -9.74750, -21.58138>} object {atom_O translate <-32.10706, -8.03818, -23.70442>} object {atom_O translate <-28.82951, -12.12135, -22.65328>} object {atom_O translate <-32.82625, -10.98759, -19.37043>} object {atom_C translate <-32.08164, -13.32416, -17.54015>} object {atom_C translate <-34.59107, -13.75525, -15.62557>} object {atom_O translate <-34.97344, -11.13779, -14.18867>} object {atom_C translate <-37.50214, -14.33738, -16.99891>} object {atom_O translate <-38.51388, -17.17622, -16.55998>} object {atom_C translate <-39.41101, -12.06097, -15.67344>} object {atom_C translate <-37.74406, -11.30514, -13.02928>} object {atom_N translate <-38.39165, -8.41800, -12.04403>} object {atom_C translate <-38.78164, -6.02847, -13.64425>} object {atom_N translate <-39.31568, -3.73576, -12.05970>} object {atom_C translate <-39.23582, -4.71847, -9.37699>} object {atom_C translate <-39.57624, -3.22756, -6.75889>} object {atom_O translate <-40.03593, -0.69334, -6.35407>} object {atom_N translate <-39.40232, -5.03030, -4.48503>} object {atom_C translate <-38.94434, -7.87294, -4.55430>} object {atom_N translate <-38.95958, -9.27107, -2.03957>} object {atom_N translate <-38.53654, -9.25794, -6.98598>} object {atom_C translate <-38.69881, -7.55392, -9.28590>} object {atom_O translate <-43.67996, 2.27662, 12.88651>} object {atom_C translate <-45.27319, -0.20591, 13.69297>} object {atom_C translate <-43.85134, -2.82549, 12.52342>} object {atom_O translate <-43.94963, -2.75410, 9.47931>} object {atom_C translate <-40.77376, -3.28984, 13.31166>} object {atom_O translate <-40.23019, -6.16490, 14.04801>} object {atom_C translate <-39.22968, -2.33106, 10.64526>} object {atom_C translate <-41.20358, -3.45910, 8.38178>} object {atom_N translate <-41.00255, -1.74109, 5.76135>} object {atom_C translate <-40.31704, -2.94391, 3.22459>} object {atom_O translate <-39.78299, -5.47982, 3.15702>} object {atom_N translate <-40.33695, -1.38796, 0.86387>} object {atom_C translate <-41.04830, 1.33182, 0.94628>} object {atom_N translate <-41.18367, 2.82613, -1.51612>} object {atom_C translate <-41.75711, 2.65835, 3.48897>} object {atom_C translate <-41.73804, 1.03695, 5.94861>} object {atom_P translate <-37.51845, -6.92349, 15.94247>} object {atom_O translate <-35.70618, -4.38123, 16.17084>} object {atom_O translate <-38.39589, -8.24366, 18.66776>} object {atom_O translate <-35.97670, -9.20286, 13.97938>} object {atom_C translate <-37.52226, -11.58222, 12.87824>} object {atom_C translate <-35.67229, -12.66111, 10.56159>} object {atom_O translate <-35.61192, -10.58531, 8.37055>} object {atom_C translate <-32.61124, -13.03755, 11.46084>} object {atom_O translate <-31.72236, -15.89142, 11.06280>} object {atom_C translate <-30.99343, -10.85371, 9.66064>} object {atom_C translate <-32.87540, -10.64590, 7.07305>} object {atom_N translate <-32.65042, -7.79499, 5.81770>} object {atom_C translate <-32.75656, -5.27327, 7.23701>} object {atom_N translate <-32.64238, -3.03161, 5.50015>} object {atom_C translate <-32.44833, -4.17977, 2.89751>} object {atom_C translate <-32.28628, -2.78291, 0.21671>} object {atom_O translate <-32.33415, -0.22285, -0.29551>} object {atom_N translate <-32.03885, -4.69114, -1.96098>} object {atom_C translate <-31.99373, -7.56811, -1.73029>} object {atom_N translate <-31.63805, -9.09461, -4.14820>} object {atom_N translate <-32.19328, -8.87176, 0.78062>} object {atom_C translate <-32.43139, -7.06923, 2.99665>} object {atom_P translate <-28.56810, -16.87456, 11.72267>} object {atom_O translate <-27.31085, -14.90235, 13.79317>} object {atom_O translate <-28.69542, -19.90659, 12.48338>} object {atom_O translate <-27.03863, -16.55130, 8.71140>} object {atom_C translate <-27.92687, -18.21803, 6.31318>} object {atom_C translate <-26.44697, -16.92540, 3.81731>} object {atom_O translate <-27.05156, -13.97810, 3.83426>} object {atom_C translate <-23.24526, -16.98662, 4.01919>} object {atom_O translate <-22.15747, -19.60705, 2.99793>} object {atom_C translate <-22.38986, -14.46745, 2.23722>} object {atom_C translate <-25.08253, -12.74627, 1.95632>} object {atom_N translate <-24.77451, -9.81740, 2.97971>} object {atom_C translate <-24.86179, -7.68462, 1.05601>} object {atom_O translate <-25.00288, -8.32818, -1.46232>} object {atom_N translate <-24.81159, -4.99492, 1.92391>} object {atom_C translate <-24.63788, -4.38589, 4.67653>} object {atom_N translate <-24.64678, -1.63708, 5.55396>} object {atom_C translate <-24.48324, -6.51803, 6.70699>} object {atom_C translate <-24.58259, -9.31513, 5.80456>} object {atom_P translate <-18.85514, -20.22117, 2.69775>} object {atom_O translate <-17.23987, -18.76966, 4.94471>} object {atom_O translate <-18.57911, -23.30425, 2.53887>} object {atom_O translate <-18.08595, -18.96921, -0.33237>} object {atom_C translate <-19.12290, -20.31756, -2.84837>} object {atom_C translate <-18.37935, -18.30807, -5.17901>} object {atom_O translate <-19.10680, -15.57155, -4.06834>} object {atom_C translate <-15.28483, -18.12334, -6.02890>} object {atom_O translate <-14.94123, -18.09856, -9.04907>} object {atom_C translate <-14.22987, -15.49211, -4.45389>} object {atom_C translate <-16.82976, -13.61777, -4.58713>} object {atom_N translate <-16.80412, -11.59048, -2.17155>} object {atom_C translate <-16.19403, -12.09847, 0.62132>} object {atom_N translate <-16.40460, -9.77546, 2.25310>} object {atom_C translate <-17.12591, -7.72021, 0.40715>} object {atom_C translate <-17.62966, -4.77779, 0.89078>} object {atom_O translate <-17.51060, -3.43664, 3.10935>} object {atom_N translate <-18.20946, -3.37606, -1.58730>} object {atom_C translate <-18.35224, -4.53057, -4.21620>} object {atom_N translate <-18.80853, -2.75791, -6.44092>} object {atom_N translate <-17.95292, -7.28531, -4.66170>} object {atom_C translate <-17.35744, -8.73915, -2.28530>} object {atom_P translate <-11.90707, -17.62044, -10.43893>} object {atom_O translate <-9.71053, -18.33052, -8.31060>} object {atom_O translate <-11.68507, -19.09970, -13.18541>} object {atom_O translate <-12.06235, -14.34246, -11.16935>} object {atom_C translate <-14.36058, -13.41059, -12.94540>} object {atom_C translate <-13.91318, -10.41330, -13.86689>} object {atom_O translate <-14.06040, -8.57349, -11.45025>} object {atom_C translate <-11.09404, -9.82482, -15.27900>} object {atom_O translate <-11.32791, -7.70305, -17.41559>} object {atom_C translate <-9.31969, -8.95755, -12.71704>} object {atom_C translate <-11.41413, -7.12240, -11.11872>} object {atom_N translate <-10.86314, -7.14338, -7.99984>} object {atom_C translate <-10.17424, -9.37106, -6.26001>} object {atom_N translate <-9.99249, -8.61988, -3.51354>} object {atom_C translate <-10.58923, -5.82426, -3.53070>} object {atom_C translate <-10.79069, -3.74550, -1.32399>} object {atom_N translate <-10.42167, -4.36025, 1.47714>} object {atom_N translate <-11.38786, -1.08927, -2.09423>} object {atom_C translate <-11.81599, -0.48045, -4.82608>} object {atom_N translate <-11.73761, -2.20417, -7.06351>} object {atom_C translate <-11.09976, -4.86527, -6.22654>} object {atom_P translate <-8.58800, -6.64619, -19.06411>} object {atom_O translate <-6.35057, -8.85396, -18.84359>} object {atom_O translate <-9.36608, -5.77321, -21.97646>} object {atom_O translate <-7.84763, -3.85714, -17.32196>} object {atom_C translate <-9.95457, -1.68496, -17.07983>} object {atom_C translate <-8.60580, 0.80308, -15.64251>} object {atom_O translate <-8.27279, 0.23599, -12.67636>} object {atom_C translate <-5.72947, 1.72415, -16.78855>} object {atom_O translate <-5.69515, 4.70682, -17.31603>} object {atom_C translate <-3.75175, 0.72639, -14.42762>} object {atom_C translate <-5.55746, 1.23904, -11.82350>} object {atom_N translate <-4.77239, -0.67195, -9.45558>} object {atom_C translate <-4.18920, -3.51523, -9.53947>} object {atom_N translate <-3.71701, -4.61933, -6.95865>} object {atom_C translate <-4.03117, -2.38804, -5.20125>} object {atom_C translate <-3.84136, -2.14676, -2.19379>} object {atom_N translate <-3.28613, -4.39584, -0.48024>} object {atom_N translate <-4.26059, 0.40673, -1.06681>} object {atom_C translate <-4.85797, 2.59649, -2.73821>} object {atom_N translate <-5.12022, 2.65221, -5.54082>} object {atom_C translate <-4.67515, 0.04216, -6.63433>} object {atom_P translate <-2.89106, 6.35068, -18.26422>} object {atom_O translate <-0.73285, 4.34987, -19.31006>} object {atom_O translate <-3.69816, 8.70547, -20.15359>} object {atom_O translate <-1.92825, 7.77592, -15.36522>} object {atom_C translate <-3.84644, 9.66382, -13.93065>} object {atom_C translate <-2.45382, 10.35314, -11.15494>} object {atom_O translate <-1.95346, 7.74732, -9.70322>} object {atom_C translate <0.42865, 11.78410, -11.40195>} object {atom_O translate <0.29414, 14.70132, -10.55629>} object {atom_C translate <2.36336, 9.87714, -9.65047>} object {atom_C translate <0.25367, 8.35106, -7.76152>} object {atom_N translate <1.30206, 5.54082, -6.83430>} object {atom_C translate <1.64587, 5.00255, -4.01919>} object {atom_O translate <1.24762, 6.88070, -2.24188>} object {atom_N translate <2.37544, 2.32937, -3.20553>} object {atom_C translate <2.86245, 0.21184, -5.11228>} object {atom_O translate <3.50517, -2.13384, -4.18210>} object {atom_C translate <2.60719, 0.81960, -8.00005>} object {atom_C translate <3.19695, -1.43350, -10.16376>} object {atom_C translate <1.75624, 3.51989, -8.84591>} object {atom_P translate <3.03764, 16.69132, -10.55036>} object {atom_O translate <5.02595, 15.78105, -12.79203>} object {atom_O translate <2.07336, 19.65344, -10.65374>} object {atom_O translate <4.28833, 16.15537, -7.46961>} object {atom_C translate <2.50551, 16.77775, -5.08156>} object {atom_C translate <4.17754, 16.06449, -2.50286>} object {atom_O translate <4.78636, 13.11423, -2.53400>} object {atom_C translate <7.02951, 17.52999, -2.29145>} object {atom_O translate <7.17526, 19.12110, 0.27030>} object {atom_C translate <9.12903, 15.05890, -2.48104>} object {atom_C translate <7.38180, 12.76131, -1.06660>} object {atom_N translate <8.24970, 9.86718, -1.87540>} object {atom_C translate <8.62550, 7.85685, 0.15591>} object {atom_O translate <8.34269, 8.44046, 2.68970>} object {atom_N translate <9.24237, 5.16248, -0.68593>} object {atom_C translate <9.46564, 4.40453, -3.46715>} object {atom_O translate <10.01324, 1.91078, -4.01220>} object {atom_C translate <9.06209, 6.48922, -5.52515>} object {atom_C translate <9.24618, 5.81812, -8.62094>} object {atom_C translate <8.44543, 9.24311, -4.68246>} object {atom_P translate <9.94122, 20.84397, 1.13736>} object {atom_O translate <11.60499, 21.50850, -1.43266>} object {atom_O translate <9.08412, 23.30425, 2.88205>} object {atom_O translate <11.55521, 18.63853, 3.11274>} object {atom_C translate <10.15645, 17.60307, 5.61709>} object {atom_C translate <12.29855, 15.80796, 7.07898>} object {atom_O translate <12.63579, 13.30128, 5.43130>} object {atom_C translate <15.20475, 17.20842, 7.19167>} object {atom_O translate <15.97181, 18.05831, 10.02182>} object {atom_C translate <17.15980, 15.01632, 5.84672>} object {atom_C translate <15.41849, 12.30798, 5.96323>} object {atom_N translate <15.89598, 10.50503, 3.44448>} object {atom_C translate <16.19488, 7.67276, 3.79804>} object {atom_O translate <16.24318, 6.75338, 6.24434>} object {atom_N translate <16.36858, 5.97933, 1.52460>} object {atom_C translate <16.23830, 7.05991, -1.08461>} object {atom_N translate <16.33384, 5.30801, -3.37415>} object {atom_C translate <15.94321, 9.96378, -1.53392>} object {atom_C translate <15.74959, 11.71271, 0.82956>} object {atom_P translate <18.86933, 19.72717, 10.62196>} object {atom_O translate <19.73256, 21.44792, 8.12037>} object {atom_O translate <18.60538, 21.27824, 13.34704>} object {atom_O translate <21.09743, 17.21604, 10.99056>} object {atom_C translate <20.92966, 15.30167, 13.35700>} object {atom_C translate <23.31008, 13.20426, 12.99814>} object {atom_O translate <22.72985, 11.47630, 10.55163>} object {atom_C translate <26.25759, 14.44033, 12.44207>} object {atom_O translate <28.35711, 12.63908, 13.55824>} object {atom_C translate <26.34253, 14.49287, 9.22044>} object {atom_C translate <25.23484, 11.52778, 8.83405>} object {atom_N translate <24.50230, 11.01407, 5.85138>} object {atom_C translate <23.93225, 12.92527, 3.74550>} object {atom_N translate <23.44417, 11.66907, 1.24264>} object {atom_C translate <23.71469, 8.87727, 1.82032>} object {atom_C translate <23.46493, 6.48308, -0.00741>} object {atom_O translate <22.99529, 6.42143, -2.57616>} object {atom_N translate <23.89030, 3.99695, 1.44727>} object {atom_C translate <24.49383, 3.70101, 4.25433>} object {atom_N translate <24.92640, 1.03822, 5.27243>} object {atom_N translate <24.75587, 5.93442, 5.95963>} object {atom_C translate <24.32097, 8.41843, 4.60217>} object {atom_P translate <29.80798, 13.32564, 16.52121>} object {atom_O translate <31.72512, 15.78275, 16.08123>} object {atom_O translate <27.61187, 13.65823, 18.75080>} object {atom_O translate <31.59971, 10.49316, 17.04382>} object {atom_C translate <30.17489, 7.87252, 17.78461>} object {atom_C translate <31.55077, 5.48342, 16.16427>} object {atom_O translate <30.68457, 5.91324, 13.30213>} object {atom_C translate <34.79718, 5.50079, 16.11639>} object {atom_O translate <36.09193, 3.18900, 17.63336>} object {atom_C translate <35.51086, 5.66390, 12.97357>} object {atom_C translate <32.79490, 4.64729, 11.58307>} object {atom_N translate <32.46613, 5.96980, 8.74042>} object {atom_C translate <32.10282, 4.27552, 6.44410>} object {atom_O translate <32.08503, 1.70148, 6.82371>} object {atom_N translate <31.78549, 5.42431, 3.86413>} object {atom_C translate <31.80434, 8.23794, 3.53006>} object {atom_N translate <31.47112, 9.38970, 0.89925>} object {atom_C translate <32.20027, 10.04725, 5.83507>} object {atom_C translate <32.54259, 8.85375, 8.50464>} object {atom_P translate <39.47520, 3.11317, 17.99391>} object {atom_O translate <40.71233, 5.96196, 17.42089>} object {atom_O translate <40.21684, 1.82943, 20.75648>} object {atom_O translate <40.48883, 1.07719, 15.48279>} object {atom_C translate <39.71415, -1.87137, 15.44000>} object {atom_C translate <40.62822, -2.85875, 12.56896>} object {atom_O translate <38.89434, -1.41253, 10.56116>} object {atom_C translate <43.58188, -1.93302, 11.74512>} object {atom_O translate <45.74982, -3.60908, 13.02547>} object {atom_C translate <43.40224, -2.34822, 8.56057>} object {atom_C translate <40.37020, -1.41889, 7.91764>} object {atom_N translate <40.14651, 1.48689, 6.79808>} object {atom_C translate <40.41321, 4.03148, 8.16274>} object {atom_N translate <39.94526, 6.24582, 6.45512>} object {atom_C translate <39.36356, 5.02648, 3.93658>} object {atom_C translate <38.63674, 6.31340, 1.30365>} object {atom_O translate <38.31496, 8.83977, 0.75965>} object {atom_N translate <38.32343, 4.31492, -0.79121>} object {atom_C translate <38.59670, 1.44770, -0.51752>} object {atom_N translate <38.36983, -0.17837, -2.89116>} object {atom_N translate <39.16803, 0.25060, 1.96903>} object {atom_C translate <39.50167, 2.15502, 4.06982>} } object {molecule_DNA rotate } plane { z, -50.0 texture { pigment { marble turbulence 1 color_map { [0.0, 0.8 color red 0.9 green 0.9 blue 0.9 color red 0.5 green 0.5 blue 0.5] [0.8, 1.01 color red 0.5 green 0.5 blue 0.5 color red 0.2 green 0.2 blue 0.2] } scale 30 } finish { ambient 0.3 diffuse 0.7 } } rotate 5*x } light_source { <465.31511, -843.39145, 268.64980> color red 1.00 green 1.00 blue 1.00 } camera { location <0.00, -300.00, 0.0> direction <0.0, -2.5, 0.0> up <0.00, 0.00, 1.00> sky <0.00, 0.00, 1.00> right <-1.0, 0.00, 0.00> look_at <0.00, 0.00, -0.10> } , -13.86689>} object {atom_O tra./ImageMagick/magick/004077500000240000024000000000000602633650200155315ustar00cristycristy00002330000007./ImageMagick/magick/XWDFile.h010064400000240000024000000104270602164600300171360ustar00cristycristy00002330000007/* $XConsortium: XWDFile.h,v 1.17 94/04/17 20:10:49 dpw Exp $ */ /* Copyright (c) 1985, 1986 X Consortium Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Except as contained in this notice, the name of the X Consortium shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization from the X Consortium. */ /* * XWDFile.h MIT Project Athena, X Window system window raster * image dumper, dump file format header file. * * Author: Tony Della Fera, DEC * 27-Jun-85 * * Modifier: William F. Wyatt, SAO * 18-Nov-86 - version 6 for saving/restoring color maps */ #include #define XWD_FILE_VERSION 7 #ifdef WORD64 #define sz_XWDheader 104 #else #define sz_XWDheader 100 #endif #ifdef PRE_R6_ICCCM #define sz_XWDColor sizeof(XColor) #else #define sz_XWDColor 12 #endif typedef CARD32 xwdval; /* for old broken programs */ /* Values in the file are most significant byte first. */ typedef struct _xwd_file_header { /* header_size = SIZEOF(XWDheader) + length of null-terminated * window name. */ CARD32 header_size B32; CARD32 file_version B32; /* = XWD_FILE_VERSION above */ CARD32 pixmap_format B32; /* ZPixmap or XYPixmap */ CARD32 pixmap_depth B32; /* Pixmap depth */ CARD32 pixmap_width B32; /* Pixmap width */ CARD32 pixmap_height B32; /* Pixmap height */ CARD32 xoffset B32; /* Bitmap x offset, normally 0 */ CARD32 byte_order B32; /* of image data: MSBFirst, LSBFirst */ /* bitmap_unit applies to bitmaps (depth 1 format XY) only. * It is the number of bits that each scanline is padded to. */ CARD32 bitmap_unit B32; CARD32 bitmap_bit_order B32; /* bitmaps only: MSBFirst, LSBFirst */ /* bitmap_pad applies to pixmaps (non-bitmaps) only. * It is the number of bits that each scanline is padded to. */ CARD32 bitmap_pad B32; CARD32 bits_per_pixel B32; /* Bits per pixel */ /* bytes_per_line is pixmap_width padded to bitmap_unit (bitmaps) * or bitmap_pad (pixmaps). It is the delta (in bytes) to get * to the same x position on an adjacent row. */ CARD32 bytes_per_line B32; CARD32 visual_class B32; /* Class of colormap */ CARD32 red_mask B32; /* Z red mask */ CARD32 green_mask B32; /* Z green mask */ CARD32 blue_mask B32; /* Z blue mask */ CARD32 bits_per_rgb B32; /* Log2 of distinct color values */ CARD32 colormap_entries B32; /* Number of entries in colormap; not used? */ CARD32 ncolors B32; /* Number of XWDColor structures */ CARD32 window_width B32; /* Window width */ CARD32 window_height B32; /* Window height */ CARD32 window_x B32; /* Window upper left X coordinate */ CARD32 window_y B32; /* Window upper left Y coordinate */ CARD32 window_bdrwidth B32; /* Window border width */ #ifdef WORD64 CARD32 header_end B32; /* Pad to fill out word */ #endif } XWDFileHeader; /* Null-terminated window name follows the above structure. */ /* Next comes XWDColor structures, at offset XWDFileHeader.header_size in * the file. XWDFileHeader.ncolors tells how many XWDColor structures * there are. */ #ifdef PRE_R6_ICCCM typedef XColor XWDColor; #else typedef struct { CARD32 pixel B32; CARD16 red B16; CARD16 green B16; CARD16 blue B16; CARD8 flags; CARD8 pad; } XWDColor; #endif /* Last comes the image data in the format described by XWDFileHeader. */ ./ImageMagick/magick/Makefile.in010064400000240000024000000055670567506725500176250ustar00cristycristy00002330000007# # Generic makefile for the ImageMagick image library for computers that do # not have xmkmf. # # Copyright 1995 E. I. du Pont de Nemours and Company # # Permission to use, copy, modify, distribute, and sell this software and # its documentation for any purpose is hereby granted without fee, # provided that the above Copyright notice appear in all copies and that # both that Copyright notice and this permission notice appear in # supporting documentation, and that the name of E. I. du Pont de Nemours # and Company not be used in advertising or publicity pertaining to # distribution of the software without specific, written prior # permission. E. I. du Pont de Nemours and Company makes no representations # about the suitability of this software for any purpose. It is provided # "as is" without express or implied warranty. # # E. I. du Pont de Nemours and Company disclaims all warranties with regard # to this software, including all implied warranties of merchantability # and fitness, in no event shall E. I. du Pont de Nemours and Company be # liable for any special, indirect or consequential damages or any # damages whatsoever resulting from loss of use, data or profits, whether # in an action of contract, negligence or other tortious action, arising # out of or in connection with the use or performance of this software. # SHELL = /bin/sh AR = ar CC = @CC@ DEFS = @DEFS@ INSTALL_DATA = @INSTALL_DATA@ RANLIB = @RANLIB@ CDEBUGFLAGS= $(DEFS) LOCALLIB=/usr/local/lib LOCALINC=/usr/local/include CFLAGS= $(CDEBUGFLAGS) $(DEFINES) MagickObjects= widget.o X.o image.o shear.o segment.o quantize.o colors.o \ signature.o decode.o encode.o compress.o utility.o error.o PreRvIcccm.o all: libMagick.a libMagick.a: $(MagickObjects) rm -f libMagick.a $(AR) cru libMagick.a $(MagickObjects) $(RANLIB) libMagick.a install: libMagick.a $(INSTALL_DATA) libMagick.a $(LOCALLIB)/libMagick.a $(INSTALL_DATA) PreRvIcccm.h $(LOCALINC)/PreRvIcccm.h $(INSTALL_DATA) X.h $(LOCALINC)/X.h $(INSTALL_DATA) compress.h $(LOCALINC)/compress.h $(INSTALL_DATA) image.h $(LOCALINC)/image.h $(INSTALL_DATA) magick.h $(LOCALINC)/magick.h $(INSTALL_DATA) utility.h $(LOCALINC)/utility.h $(INSTALL_DATA) widget.h $(LOCALINC)/widget.h clean: rm -f *.o libMagick.a core widget.o: widget.c magick.h image.h utility.h X.h widget.h X.o: X.c magick.h image.h X.h image.o: image.c magick.h image.h compress.h utility.h X.h shear.o: shear.c magick.h image.h quantize.o: quantize.c magick.h image.h colors.o: colors.c magick.h image.h signature.o: signature.c magick.h image.h decode.o: decode.c magick.h image.h compress.h utility.h X.h XWDFile.h encode.o: encode.c magick.h image.h compress.h utility.h X.h XWDFile.h compress.o: compress.c magick.h image.h utility.h utility.o: utility.c magick.h image.h compress.h X.h error.o: error.c magick.h PreRvIcccm.o: PreRvIcccm.c magick.h image.h X.h ./ImageMagick/magick/signature.c010064400000240000024000000425600602164600300176730ustar00cristycristy00002330000007/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % SSSSS IIIII GGGG N N AAA TTTTT U U RRRR EEEEE % % SS I G NN N A A T U U R R E % % SSS I G GG N N N AAAAA T U U RRRR EEE % % SS I G G N NN A A T U U R R E % % SSSSS IIIII GGG N N A A T UUU R R EEEEE % % % % % % Compute a Digital Signature for a Image Colormap % % % % % % % % Software Design % % John Cristy % % December 1992 % % % % Copyright 1995 E. I. du Pont de Nemours and Company % % % % Permission to use, copy, modify, distribute, and sell this software and % % its documentation for any purpose is hereby granted without fee, % % provided that the above Copyright notice appear in all copies and that % % both that Copyright notice and this permission notice appear in % % supporting documentation, and that the name of E. I. du Pont de Nemours % % and Company not be used in advertising or publicity pertaining to % % distribution of the software without specific, written prior % % permission. E. I. du Pont de Nemours and Company makes no representations % % about the suitability of this software for any purpose. It is provided % % "as is" without express or implied warranty. % % % % E. I. du Pont de Nemours and Company disclaims all warranties with regard % % to this software, including all implied warranties of merchantability % % and fitness, in no event shall E. I. du Pont de Nemours and Company be % % liable for any special, indirect or consequential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, negligence or other tortuous action, arising % % out of or in connection with the use or performance of this software. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Routine ColormapSignature computes a digital signature from the image % colormap. This signature uniquely identifies the colormap and is convenient % for determining if the colormap of a sequence of images is identical when % animating. The digital signature is from RSA Data Security MD5 Digest % Algorithm described in Internet draft [MD5], July 1992. % % */ /* Include declarations. */ #include "magick.h" #include "image.h" /* Typedef declarations. */ typedef struct _MessageDigest { unsigned long number_bits[2], accumulator[4]; unsigned char message[64], digest[16]; } MessageDigest; /* Forward declarations. */ static void TransformMessageDigest _Declare((MessageDigest *,unsigned long *)), UpdateMessageDigest _Declare((MessageDigest *,unsigned char *,unsigned long)); /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C o m p u t e M e s s a g e D i g e s t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ComputeMessageDigest computes the message digest. % % The format of the ComputeMessageDigest routine is: % % ComputeMessageDigest(message_digest,input_message,message_length) % % A description of each parameter follows: % % o message_digest: The address of a structure of type MessageDigest. % % */ static void ComputeMessageDigest(message_digest) MessageDigest *message_digest; { int number_bytes; register unsigned char *p; register unsigned int i; unsigned char padding[64]; unsigned long message[16], padding_length; /* Save number of bits. */ message[14]=message_digest->number_bits[0]; message[15]=message_digest->number_bits[1]; /* Compute number of bytes mod 64. */ number_bytes=(int) ((message_digest->number_bits[0] >> 3) & 0x3F); /* Pad message to 56 mod 64. */ padding_length=(number_bytes < 56) ? (56-number_bytes) : (120-number_bytes); padding[0]=0x80; for (i=1; i < padding_length; i++) padding[i]=(char) 0; UpdateMessageDigest(message_digest,padding,padding_length); /* Append length in bits and transform. */ p=message_digest->message; for (i=0; i < 14; i++) { message[i]=(unsigned long) (*p++); message[i]|=((unsigned long) (*p++)) << 8; message[i]|=((unsigned long) (*p++)) << 16; message[i]|=((unsigned long) (*p++)) << 24; } TransformMessageDigest(message_digest,message); /* Store message in digest. */ p=message_digest->digest; for (i=0; i < 4; i++) { *p++=(unsigned char) (message_digest->accumulator[i] & 0xff); *p++=(unsigned char) ((message_digest->accumulator[i] >> 8) & 0xff); *p++=(unsigned char) ((message_digest->accumulator[i] >> 16) & 0xff); *p++=(unsigned char) ((message_digest->accumulator[i] >> 24) & 0xff); } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % I n i t i a l i z e M e s s a g e D i g e s t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function InitializeMessageDigest initializes the message digest structure. % % The format of the InitializeMessageDigest routine is: % % InitializeMessageDigest(message_digest) % % A description of each parameter follows: % % o message_digest: The address of a structure of type MessageDigest. % % */ static void InitializeMessageDigest(message_digest) MessageDigest *message_digest; { message_digest->number_bits[0]=(unsigned long) 0; message_digest->number_bits[1]=(unsigned long) 0; /* Load magic initialization constants. */ message_digest->accumulator[0]=(unsigned long) 0x67452301; message_digest->accumulator[1]=(unsigned long) 0xefcdab89; message_digest->accumulator[2]=(unsigned long) 0x98badcfe; message_digest->accumulator[3]=(unsigned long) 0x10325476; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % T r a n s f o r m M e s s a g e D i g e s t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function TransformMessageDigest updates the message digest. % % The format of the TransformMessageDigest routine is: % % TransformMessageDigest(message_digest,message) % % A description of each parameter follows: % % o message_digest: The address of a structure of type MessageDigest. % % */ static void TransformMessageDigest(message_digest,message) MessageDigest *message_digest; unsigned long *message; { #define F(x,y,z) (((x) & (y)) | ((~x) & (z))) #define G(x,y,z) (((x) & (z)) | ((y) & (~z))) #define H(x,y,z) ((x) ^ (y) ^ (z)) #define I(x,y,z) ((y) ^ ((x) | (~z))) #define RotateLeft(x,n) (((x) << (n)) | (((x) & 0xffffffff) >> (32-(n)))) static unsigned long additive_constant[64]= /* 4294967296*abs(sin(i)), i in radians */ { 0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee, 0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501, 0x698098d8, 0x8b44f7af, 0xffff5bb1, 0x895cd7be, 0x6b901122, 0xfd987193, 0xa679438e, 0x49b40821, 0xf61e2562, 0xc040b340, 0x265e5a51, 0xe9b6c7aa, 0xd62f105d, 0x2441453, 0xd8a1e681, 0xe7d3fbc8, 0x21e1cde6, 0xc33707d6, 0xf4d50d87, 0x455a14ed, 0xa9e3e905, 0xfcefa3f8, 0x676f02d9, 0x8d2a4c8a, 0xfffa3942, 0x8771f681, 0x6d9d6122, 0xfde5380c, 0xa4beea44, 0x4bdecfa9, 0xf6bb4b60, 0xbebfbc70, 0x289b7ec6, 0xeaa127fa, 0xd4ef3085, 0x4881d05, 0xd9d4d039, 0xe6db99e5, 0x1fa27cf8, 0xc4ac5665, 0xf4292244, 0x432aff97, 0xab9423a7, 0xfc93a039, 0x655b59c3, 0x8f0ccc92, 0xffeff47d, 0x85845dd1, 0x6fa87e4f, 0xfe2ce6e0, 0xa3014314, 0x4e0811a1, 0xf7537e82, 0xbd3af235, 0x2ad7d2bb, 0xeb86d391, }; register int i; register unsigned int j; register unsigned long a, b, c, d, *p; /* Save accumulator. */ a=message_digest->accumulator[0]; b=message_digest->accumulator[1]; c=message_digest->accumulator[2]; d=message_digest->accumulator[3]; /* a=b+((a+F(b,c,d)+X[k]+t) <<< s). */ p=additive_constant; j=0; for (i=0; i < 4; i++) { a+=F(b,c,d)+message[j & 0x0f]+(*p++); a=RotateLeft(a,7)+b; j++; d+=F(a,b,c)+message[j & 0x0f]+(*p++); d=RotateLeft(d,12)+a; j++; c+=F(d,a,b)+message[j & 0x0f]+(*p++); c=RotateLeft(c,17)+d; j++; b+=F(c,d,a)+message[j & 0x0f]+(*p++); b=RotateLeft(b,22)+c; j++; } /* a=b+((a+G(b,c,d)+X[k]+t) <<< s). */ j=1; for (i=0; i < 4; i++) { a+=G(b,c,d)+message[j & 0x0f]+(*p++); a=RotateLeft(a,5)+b; j+=5; d+=G(a,b,c)+message[j & 0x0f]+(*p++); d=RotateLeft(d,9)+a; j+=5; c+=G(d,a,b)+message[j & 0x0f]+(*p++); c=RotateLeft(c,14)+d; j+=5; b+=G(c,d,a)+message[j & 0x0f]+(*p++); b=RotateLeft(b,20)+c; j+=5; } /* a=b+((a+H(b,c,d)+X[k]+t) <<< s). */ j=5; for (i=0; i < 4; i++) { a+=H(b,c,d)+message[j & 0x0f]+(*p++); a=RotateLeft(a,4)+b; j+=3; d+=H(a,b,c)+message[j & 0x0f]+(*p++); d=RotateLeft(d,11)+a; j+=3; c+=H(d,a,b)+message[j & 0x0f]+(*p++); c=RotateLeft(c,16)+d; j+=3; b+=H(c,d,a)+message[j & 0x0f]+(*p++); b=RotateLeft(b,23)+c; j+=3; } /* a=b+((a+I(b,c,d)+X[k]+t) <<< s). */ j=0; for (i=0; i < 4; i++) { a+=I(b,c,d)+message[j & 0x0f]+(*p++); a=RotateLeft(a,6)+b; j+=7; d+=I(a,b,c)+message[j & 0x0f]+(*p++); d=RotateLeft(d,10)+a; j+=7; c+=I(d,a,b)+message[j & 0x0f]+(*p++); c=RotateLeft(c,15)+d; j+=7; b+=I(c,d,a)+message[j & 0x0f]+(*p++); b=RotateLeft(b,21)+c; j+=7; } /* Increment accumulator. */ message_digest->accumulator[0]+=a; message_digest->accumulator[1]+=b; message_digest->accumulator[2]+=c; message_digest->accumulator[3]+=d; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % U p d a t e M e s s a g e D i g e s t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function UpdateMessageDigest updates the message digest. % % The format of the UpdateMessageDigest routine is: % % UpdateMessageDigest(message_digest,input_message,message_length) % % A description of each parameter follows: % % o message_digest: The address of a structure of type MessageDigest. % % */ static void UpdateMessageDigest(message_digest,input_message,message_length) MessageDigest *message_digest; unsigned char *input_message; unsigned long message_length; { int number_bytes; register unsigned char *p; register unsigned int i; unsigned long message[16]; /* Compute number of bytes mod 64. */ number_bytes=(int) ((message_digest->number_bits[0] >> 3) & 0x3F); /* Update number of bits. */ if (((message_digest->number_bits[0]+(message_length << 3)) & 0xffffffff) < message_digest->number_bits[0]) message_digest->number_bits[1]++; message_digest->number_bits[0]+=message_length << 3; message_digest->number_bits[1]+=message_length >> 29; while (message_length--) { /* Add new character to message. */ message_digest->message[number_bytes++]=(*input_message++); if (number_bytes == 0x40) { /* Transform message digest 64 bytes at a time. */ p=message_digest->message; for (i=0; i < 16; i++) { message[i]=(unsigned long) (*p++); message[i]|=((unsigned long) (*p++)) << 8; message[i]|=((unsigned long) (*p++)) << 16; message[i]|=((unsigned long) (*p++)) << 24; } TransformMessageDigest(message_digest,message); number_bytes=0; } } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C o l o r m a p S i g n a t u r e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Fucntion ColormapSignature computes a digital signature from the image % colormap. This signature uniquely identifies the colormap and is convenient % for determining if the colormap of a sequence of images is identical when % animating. The digital signature is from RSA Data Security MD5 Digest % Algorithm described in Internet draft [MD5], July 1992. % % The format of the ColormapSignature routine is: % % ColormapSignature(image) % % A description of each parameter follows: % % o image: The address of a structure of type Image. % % % */ void ColormapSignature(image) Image *image; { char *hex; MessageDigest message_digest; register int i; register unsigned char *p; unsigned char *colormap; if (image->class != PseudoClass) return; /* Allocate colormap. */ colormap=(unsigned char *) malloc(3*image->colors*sizeof(unsigned char)); if (colormap == (unsigned char *) NULL) { Warning("Unable to compute colormap signature", "Memory allocation failed"); return; } p=colormap; for (i=0; i < image->colors; i++) { *p++=image->colormap[i].red; *p++=image->colormap[i].green; *p++=image->colormap[i].blue; } /* Compute program colormap signature. */ InitializeMessageDigest(&message_digest); UpdateMessageDigest(&message_digest,colormap, (unsigned long) (image->colors*3)); ComputeMessageDigest(&message_digest); free((char *) colormap); /* Allocate memory for signature. */ if (image->signature != (char *) NULL) free((char *) image->signature); image->signature=(char *) malloc(33*sizeof(char)); if (image->signature == (char *) NULL) { Warning("Unable to compute colormap signature", "Memory allocation failed"); return; } /* Convert digital signature to a 32 character hex string. */ p=(unsigned char *) image->signature; hex="0123456789abcdef"; for (i=0; i < 16; i++) { *p++=hex[(message_digest.digest[i] >> 4) & 0xf]; *p++=hex[message_digest.digest[i] & 0xf]; } *p='\0'; } % o message_digest: The address of a structure of type MessageDigest. % % */ static void InitializeMessageDigest(message_digest) MessageDige./ImageMagick/magick/shear.c010064400000240000024000001143720602164600300167750ustar00cristycristy00002330000007/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % SSSSS H H EEEEE AAA RRRR % % SS H H E A A R R % % SSS HHHHH EEE AAAAA RRRR % % SS H H E A A R R % % SSSSS H H EEEEE A A R R % % % % % % Shear or rotate a raster image by an arbitrary angle. % % % % % % % % Software Design % % John Cristy % % July 1992 % % % % % % Copyright 1995 E. I. du Pont de Nemours and Company % % % % Permission to use, copy, modify, distribute, and sell this software and % % its documentation for any purpose is hereby granted without fee, % % provided that the above Copyright notice appear in all copies and that % % both that Copyright notice and this permission notice appear in % % supporting documentation, and that the name of E. I. du Pont de Nemours % % and Company not be used in advertising or publicity pertaining to % % distribution of the software without specific, written prior % % permission. E. I. du Pont de Nemours and Company makes no representations % % about the suitability of this software for any purpose. It is provided % % "as is" without express or implied warranty. % % % % E. I. du Pont de Nemours and Company disclaims all warranties with regard % % to this software, including all implied warranties of merchantability % % and fitness, in no event shall E. I. du Pont de Nemours and Company be % % liable for any special, indirect or consequential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, negligence or other tortuous action, arising % % out of or in connection with the use or performance of this software. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function RotateImage, XShearImage, and YShearImage is based on the paper % "A Fast Algorithm for General Raster Rotatation" by Alan W. Paeth, % Graphics Interface '86 (Vancouver). RotateImage is adapted from a similiar % routine based on the Paeth paper written by Michael Halle of the Spatial % Imaging Group, MIT Media Lab. % % */ /* Include declarations. */ #include "magick.h" #include "image.h" /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C l i p S h e a r I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function CropShearImage crops the sheared image as determined by the % bounding box as defined by width and height and shearing angles. % % The format of the CropShearImage routine is: % % CropShearImage(image,x_shear,y_shear,width,height,crop) % % A description of each parameter follows. % % o image: The address of a structure of type Image. % % o x_shear, y_shear, width, height: Defines a region of the image to crop. % % o crop: A value other than zero crops the corners of the rotated % image and retains the original image size. % % */ static Image *CropShearImage(image,x_shear,y_shear,width,height,crop) Image *image; double x_shear, y_shear; unsigned int width, height, crop; { typedef struct Point { double x, y; } Point; double x_max, x_min, y_max, y_min; Image *cropped_image; Point corners[4]; RectangleInfo crop_info; register int i; /* Calculate the rotated image size. */ crop_info.width=width; crop_info.height=height; corners[0].x=(-((int) crop_info.width)/2.0); corners[0].y=(-((int) crop_info.height)/2.0); corners[1].x=((int) crop_info.width)/2.0; corners[1].y=(-((int) crop_info.height)/2.0); corners[2].x=(-((int) crop_info.width)/2.0); corners[2].y=((int) crop_info.height)/2.0; corners[3].x=((int) crop_info.width)/2.0; corners[3].y=((int) crop_info.height)/2.0; for (i=0; i < 4; i++) { corners[i].x+=x_shear*corners[i].y; corners[i].y+=y_shear*corners[i].x; corners[i].x+=x_shear*corners[i].y; corners[i].x+=(image->columns-1)/2.0; corners[i].y+=(image->rows-3)/2.0; } x_min=corners[0].x; y_min=corners[0].y; x_max=corners[0].x; y_max=corners[0].y; for (i=1; i < 4; i++) { if (x_min > corners[i].x) x_min=corners[i].x; if (y_min > corners[i].y) y_min=corners[i].y; if (x_max < corners[i].x) x_max=corners[i].x; if (y_max < corners[i].y) y_max=corners[i].y; } x_min=floor((double) x_min); x_max=ceil((double) x_max); y_min=floor((double) y_min); y_max=ceil((double) y_max); if (!crop) { /* Do not crop sheared image. */ crop_info.width=(unsigned int) (x_max-x_min)-1; crop_info.height=(unsigned int) (y_max-y_min)-1; } crop_info.x=(int) x_min+(((int) (x_max-x_min)-crop_info.width) >> 1)+1; crop_info.y=(int) y_min+(((int) (y_max-y_min)-crop_info.height) >> 1)+2; /* Crop image and return. */ cropped_image=CropImage(image,&crop_info); return(cropped_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % I n t e g r a l R o t a t e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function IntegralRotateImage rotates the image an integral of 90 degrees. % It allocates the memory necessary for the new Image structure and returns % a pointer to the rotated image. % % The format of the IntegralRotateImage routine is: % % rotated_image=IntegralRotateImage(image,rotations) % % A description of each parameter follows. % % o rotated_image: Function IntegralRotateImage returns a pointer to the % rotated image. A null image is returned if there is a a memory shortage. % % o image: The address of a structure of type Image. % % o rotations: Specifies the number of 90 degree rotations. % % */ static Image *IntegralRotateImage(image,rotations) Image *image; unsigned int rotations; { Image *rotated_image; register RunlengthPacket *p, *q; register int x, y; /* Initialize rotated image attributes. */ rotations%=4; if ((rotations == 1) || (rotations == 3)) rotated_image=CopyImage(image,image->rows,image->columns,False); else rotated_image=CopyImage(image,image->columns,image->rows,False); if (rotated_image == (Image *) NULL) { Warning("Unable to rotate image","Memory allocation failed"); return((Image *) NULL); } /* Expand runlength packets into a rectangular array of pixels. */ p=image->pixels; image->runlength=p->length+1; switch (rotations) { case 0: { /* Rotate 0 degrees. */ q=rotated_image->pixels; for (y=0; y < image->rows; y++) { for (x=0; x < image->columns; x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *q=(*p); q->length=0; q++; } } break; } case 1: { /* Rotate 90 degrees. */ for (x=0; x < rotated_image->columns; x++) { q=rotated_image->pixels+(rotated_image->columns-x)-1; for (y=0; y < rotated_image->rows; y++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *q=(*p); q->length=0; q+=rotated_image->columns; } } break; } case 2: { /* Rotate 180 degrees. */ q=rotated_image->pixels+(rotated_image->columns*rotated_image->rows)-1; for (y=image->rows-1; y >= 0; y--) { for (x=0; x < image->columns; x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *q=(*p); q->length=0; q--; } } break; } case 3: { /* Rotate 270 degrees. */ for (x=rotated_image->columns-1; x >= 0; x--) { q=rotated_image->pixels+(rotated_image->columns*rotated_image->rows)- x-1; for (y=0; y < rotated_image->rows; y++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *q=(*p); q->length=0; q-=rotated_image->columns; } } break; } } return(rotated_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X S h e a r I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Procedure XShearImage shears the image in the X direction with a shear angle % of 'degrees'. Positive angles shear counter-clockwise (right-hand rule), % and negative angles shear clockwise. Angles are measured relative to a % vertical Y-axis. X shears will widen an image creating 'empty' triangles % on the left and right sides of the source image. % % The format of the XShearImage routine is: % % XShearImage(image,degrees,width,height,x_offset,y_offset,background, % range_limit) % % A description of each parameter follows. % % o image: The address of a structure of type Image. % % o degrees: A double representing the shearing angle along the X axis. % % o width, height, x_offset, y_offset: Defines a region of the image % to shear. % % o background: Specifies a ColorPacket used to fill empty triangles % left over from shearing. % % */ static void XShearImage(image,degrees,width,height,x_offset,y_offset,background, range_limit) Image *image; double degrees; unsigned int width, height; int x_offset, y_offset; ColorPacket *background; register Quantum *range_limit; { double displacement; enum {LEFT,RIGHT} direction; int step, y; long fractional_step; register RunlengthPacket *p, *q; register int blue, green, i, index, red; RunlengthPacket last_pixel; y_offset--; for (y=0; y < height; y++) { y_offset++; displacement=degrees*(((double) y)-(height-1)/2.0); if (displacement == 0.0) continue; if (displacement > 0.0) direction=RIGHT; else { displacement*=(-1.0); direction=LEFT; } step=(int) floor(displacement); fractional_step=UpShifted(displacement-(double) step); if (fractional_step == 0) { /* No fractional displacement-- just copy. */ switch (direction) { case LEFT: { /* Transfer pixels left-to-right. */ p=image->pixels+image->columns*y_offset+x_offset; q=p-step; for (i=0; i < width; i++) { *q=(*p); q++; p++; } /* Set old row to background color. */ for (i=0; i < step; i++) { q->red=background->red; q->green=background->green; q->blue=background->blue; q->index=background->index; q++; } break; } case RIGHT: { /* Transfer pixels right-to-left. */ p=image->pixels+image->columns*y_offset+x_offset+width; q=p+step; for (i=0; i < width; i++) { p--; q--; *q=(*p); } /* Set old row to background color. */ for (i=0; i < step; i++) { q--; q->red=background->red; q->green=background->green; q->blue=background->blue; q->index=background->index; } break; } } continue; } /* Fractional displacement. */ step++; last_pixel.red=background->red; last_pixel.green=background->green; last_pixel.blue=background->blue; last_pixel.index=background->index; switch (direction) { case LEFT: { /* Transfer pixels left-to-right. */ p=image->pixels+image->columns*y_offset+x_offset; q=p-step; for (i=0; i < width; i++) { red=DownShift(last_pixel.red*(UpShift(1)-fractional_step)+p->red* fractional_step); green=DownShift(last_pixel.green*(UpShift(1)-fractional_step)+ p->green*fractional_step); blue=DownShift(last_pixel.blue*(UpShift(1)-fractional_step)+p->blue* fractional_step); index=DownShift(last_pixel.index*(UpShift(1)-fractional_step)+ p->index*fractional_step); last_pixel=(*p); p++; q->red=range_limit[red]; q->green=range_limit[green]; q->blue=range_limit[blue]; if (index < 0) q->index=0; else if (index > MaxColormapSize) q->index=MaxColormapSize; else q->index=(unsigned short) index; q++; } /* Set old row to background color. */ red=DownShift(last_pixel.red*(UpShift(1)-fractional_step)+ background->red*fractional_step); green=DownShift(last_pixel.green*(UpShift(1)-fractional_step)+ background->green*fractional_step); blue=DownShift(last_pixel.blue*(UpShift(1)-fractional_step)+ background->blue*fractional_step); index=DownShift(last_pixel.index*(UpShift(1)-fractional_step)+ background->index*fractional_step); q->red=range_limit[red]; q->green=range_limit[green]; q->blue=range_limit[blue]; if (index < 0) q->index=0; else if (index > MaxColormapSize) q->index=MaxColormapSize; else q->index=(unsigned short) index; q++; for (i=0; i < step-1; i++) { q->red=background->red; q->green=background->green; q->blue=background->blue; q->index=background->index; q++; } break; } case RIGHT: { /* Transfer pixels right-to-left. */ p=image->pixels+image->columns*y_offset+x_offset+width; q=p+step; for (i=0; i < width; i++) { p--; red=DownShift(last_pixel.red*(UpShift(1)-fractional_step)+p->red* fractional_step); green=DownShift(last_pixel.green*(UpShift(1)-fractional_step)+ p->green*fractional_step); blue=DownShift(last_pixel.blue*(UpShift(1)-fractional_step)+p->blue* fractional_step); index=DownShift(last_pixel.index*(UpShift(1)-fractional_step)+ p->index*fractional_step); last_pixel=(*p); q--; q->red=range_limit[red]; q->green=range_limit[green]; q->blue=range_limit[blue]; if (index < 0) q->index=0; else if (index > MaxColormapSize) q->index=MaxColormapSize; else q->index=(unsigned short) index; } /* Set old row to background color. */ red=DownShift(last_pixel.red*(UpShift(1)-fractional_step)+ background->red*fractional_step); green=DownShift(last_pixel.green*(UpShift(1)-fractional_step)+ background->green*fractional_step); blue=DownShift(last_pixel.blue*(UpShift(1)-fractional_step)+ background->blue*fractional_step); index=DownShift(last_pixel.index*(UpShift(1)-fractional_step)+ background->index*fractional_step); q--; q->red=range_limit[red]; q->green=range_limit[green]; q->blue=range_limit[blue]; if (index < 0) q->index=0; else if (index > MaxColormapSize) q->index=MaxColormapSize; else q->index=(unsigned short) index; for (i=0; i < step-1; i++) { q--; q->red=background->red; q->green=background->green; q->blue=background->blue; q->index=background->index; } break; } } } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % Y S h e a r I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Procedure YShearImage shears the image in the Y direction with a shear % angle of 'degrees'. Positive angles shear counter-clockwise (right-hand % rule), and negative angles shear clockwise. Angles are measured relative % to a horizontal X-axis. Y shears will increase the height of an image % creating 'empty' triangles on the top and bottom of the source image. % % The format of the YShearImage routine is: % % YShearImage(image,degrees,width,height,x_offset,y_offset,background, % range_limit) % % A description of each parameter follows. % % o image: The address of a structure of type Image. % % o degrees: A double representing the shearing angle along the Y axis. % % o width, height, x_offset, y_offset: Defines a region of the image % to shear. % % o background: Specifies a ColorPacket used to fill empty triangles % left over from shearing. % % */ static void YShearImage(image,degrees,width,height,x_offset,y_offset,background, range_limit) Image *image; double degrees; unsigned int width, height; int x_offset, y_offset; ColorPacket *background; register Quantum *range_limit; { double displacement; enum {UP,DOWN} direction; int step, y; long fractional_step; register RunlengthPacket *p, *q; register int blue, green, i, index, red; RunlengthPacket last_pixel; x_offset--; for (y=0; y < width; y++) { x_offset++; displacement=degrees*(((double) y)-(width-1)/2.0); if (displacement == 0.0) continue; if (displacement > 0.0) direction=DOWN; else { displacement*=(-1.0); direction=UP; } step=(int) floor(displacement); fractional_step=UpShifted(displacement-(double) step); if (fractional_step == 0) { /* No fractional displacement-- just copy the pixels. */ switch (direction) { case UP: { /* Transfer pixels top-to-bottom. */ p=image->pixels+image->columns*y_offset+x_offset; q=p-step*image->columns; for (i=0; i < height; i++) { *q=(*p); q+=image->columns; p+=image->columns; } /* Set old column to background color. */ for (i=0; i < step; i++) { q->red=background->red; q->green=background->green; q->blue=background->blue; q->index=background->index; q+=image->columns; } break; } case DOWN: { /* Transfer pixels bottom-to-top. */ p=image->pixels+image->columns*(y_offset+height)+x_offset; q=p+step*image->columns; for (i=0; i < height; i++) { q-=image->columns; p-=image->columns; *q=(*p); } /* Set old column to background color. */ for (i=0; i < step; i++) { q-=image->columns; q->red=background->red; q->green=background->green; q->blue=background->blue; q->index=background->index; } break; } } continue; } /* Fractional displacment. */ step++; last_pixel.red=background->red; last_pixel.green=background->green; last_pixel.blue=background->blue; last_pixel.index=background->index; switch (direction) { case UP: { /* Transfer pixels top-to-bottom. */ p=image->pixels+image->columns*y_offset+x_offset; q=p-step*image->columns; for (i=0; i < height; i++) { red=DownShift(last_pixel.red*(UpShift(1)-fractional_step)+p->red* fractional_step); green=DownShift(last_pixel.green*(UpShift(1)-fractional_step)+ p->green*fractional_step); blue=DownShift(last_pixel.blue*(UpShift(1)-fractional_step)+p->blue* fractional_step); index=DownShift(last_pixel.index*(UpShift(1)-fractional_step)+ p->index*fractional_step); last_pixel=(*p); p+=image->columns; q->red=range_limit[red]; q->green=range_limit[green]; q->blue=range_limit[blue]; if (index < 0) q->index=0; else if (index > MaxColormapSize) q->index=MaxColormapSize; else q->index=(unsigned short) index; q+=image->columns; } /* Set old column to background color. */ red=DownShift(last_pixel.red*(UpShift(1)-fractional_step)+ background->red*fractional_step); green=DownShift(last_pixel.green*(UpShift(1)-fractional_step)+ background->green*fractional_step); blue=DownShift(last_pixel.blue*(UpShift(1)-fractional_step)+ background->blue*fractional_step); index=DownShift(last_pixel.index*(UpShift(1)-fractional_step)+ background->index*fractional_step); q->red=range_limit[red]; q->green=range_limit[green]; q->blue=range_limit[blue]; if (index < 0) q->index=0; else if (index > MaxColormapSize) q->index=MaxColormapSize; else q->index=(unsigned short) index; q+=image->columns; for (i=0; i < step-1; i++) { q->red=background->red; q->green=background->green; q->blue=background->blue; q->index=background->index; q+=image->columns; } break; } case DOWN: { /* Transfer pixels bottom-to-top. */ p=image->pixels+image->columns*(y_offset+height)+x_offset; q=p+step*image->columns; for (i=0; i < height; i++) { p-=image->columns; red=DownShift(last_pixel.red*(UpShift(1)-fractional_step)+p->red* fractional_step); green=DownShift(last_pixel.green*(UpShift(1)-fractional_step)+ p->green*fractional_step); blue=DownShift(last_pixel.blue*(UpShift(1)-fractional_step)+p->blue* fractional_step); index=DownShift(last_pixel.index*(UpShift(1)-fractional_step)+ p->index*fractional_step); last_pixel=(*p); q-=image->columns; q->red=range_limit[red]; q->green=range_limit[green]; q->blue=range_limit[blue]; if (index < 0) q->index=0; else if (index > MaxColormapSize) q->index=MaxColormapSize; else q->index=(unsigned short) index; } /* Set old column to background color. */ red=DownShift(last_pixel.red*(UpShift(1)-fractional_step)+ background->red*fractional_step); green=DownShift(last_pixel.green*(UpShift(1)-fractional_step)+ background->green*fractional_step); blue=DownShift(last_pixel.blue*(UpShift(1)-fractional_step)+ background->blue*fractional_step); index=DownShift(last_pixel.index*(UpShift(1)-fractional_step)+ background->index*fractional_step); q-=image->columns; q->red=range_limit[red]; q->green=range_limit[green]; q->blue=range_limit[blue]; if (index < 0) q->index=0; else if (index > MaxColormapSize) q->index=MaxColormapSize; else q->index=(unsigned short) index; for (i=0; i < step-1; i++) { q-=image->columns; q->red=background->red; q->green=background->green; q->blue=background->blue; q->index=background->index; } break; } } } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R o t a t e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function RotateImage creates a new image that is a rotated copy of an % existing one. Positive angles rotate counter-clockwise (right-hand rule), % while negative angles rotate clockwise. Rotated images are usually larger % than the originals and have 'empty' triangular corners. X axis. Empty % triangles left over from shearing the image are filled with the color % defined by the pixel at location (0,0). RotateImage allocates the memory % necessary for the new Image structure and returns a pointer to the new % image. % % Function RotateImage is based on the paper "A Fast Algorithm for General % Raster Rotatation" by Alan W. Paeth. RotateImage is adapted from a similiar % routine based on the Paeth paper written by Michael Halle of the Spatial % Imaging Group, MIT Media Lab. % % The format of the RotateImage routine is: % % RotateImage(image,degrees,background,crop) % % A description of each parameter follows. % % o status: Function RotateImage returns a pointer to the image after % rotating. A null image is returned if there is a memory shortage. % % o image: The address of a structure of type Image; returned from % ReadImage. % % o degrees: Specifies the number of degrees to rotate the image. % % o background: The address of a ColorPacket structure; contains the % color of the empty triangles. % % o crop: A value other than zero crops the corners of the rotated % image and retains the original image size. % % */ Image *RotateImage(image,degrees,background,crop) Image *image; double degrees; ColorPacket *background; unsigned int crop; { double x_shear, y_shear; Image *cropped_image, *integral_image, *rotated_image, *sharpened_image; int x_offset, y_offset; Quantum *range_limit, *range_table; RectangleInfo border_info; register int i; unsigned int height, rotations, width, y_width; /* Adjust rotation angle. */ while (degrees < -45.0) degrees+=360.0; for (rotations=0; degrees > 45.0; rotations++) degrees-=90.0; rotations%=4; /* Calculate shear equations. */ x_shear=(-tan(DegreesToRadians(degrees)/2.0)); y_shear=sin(DegreesToRadians(degrees)); integral_image=IntegralRotateImage(image,rotations); if ((x_shear == 0.0) || (y_shear == 0.0)) return(integral_image); /* Initialize range table. */ range_table=(Quantum *) malloc(3*(MaxRGB+1)*sizeof(Quantum)); if (range_table == (Quantum *) NULL) { DestroyImage(integral_image); Warning("Unable to rotate image","Memory allocation failed"); return((Image *) NULL); } for (i=0; i <= MaxRGB; i++) { range_table[i]=0; range_table[i+(MaxRGB+1)]=(Quantum) i; range_table[i+(MaxRGB+1)*2]=MaxRGB; } range_limit=range_table+(MaxRGB+1); /* Compute image size. */ width=image->columns; height=image->rows; if ((rotations == 1) || (rotations == 3)) { width=image->rows; height=image->columns; } y_width=width+(int) ceil(fabs(x_shear)*(double) (height-1)); x_offset=(width+ ((int) ceil(fabs(x_shear)*(double) (height-1)) << 1)-width) >> 1; y_offset=(height+(int) ceil(fabs(y_shear)*(double) (y_width-1))-height) >> 1; /* Surround image with border of background color. */ border_info.width=x_offset; border_info.height=y_offset+1; rotated_image=BorderImage(integral_image,&border_info,background); DestroyImage(integral_image); if (rotated_image == (Image *) NULL) { Warning("Unable to rotate image","Memory allocation failed"); return((Image *) NULL); } rotated_image->class=DirectClass; /* Perform a fractional rotation. First, shear the image rows. */ XShearImage(rotated_image,x_shear,width,height,x_offset, ((int) (rotated_image->rows-height) >> 1),background,range_limit); /* Shear the image columns. */ YShearImage(rotated_image,y_shear,y_width,height, ((int) (rotated_image->columns-y_width) >> 1),y_offset+1,background, range_limit); /* Shear the image rows again. */ XShearImage(rotated_image,x_shear,y_width,rotated_image->rows-2, ((int) (rotated_image->columns-y_width) >> 1),1,background,range_limit); free((char *) range_table); /* Crop image. */ cropped_image=CropShearImage(rotated_image,x_shear,y_shear,width,height,crop); if (cropped_image != (Image *) NULL) { DestroyImage(rotated_image); rotated_image=cropped_image; } /* Sharpen image. */ sharpened_image=SharpenImage(rotated_image,SharpenFactor); if (sharpened_image != (Image *) NULL) { DestroyImage(rotated_image); rotated_image=sharpened_image; } return(rotated_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S h e a r I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ShearImage creates a new image that is a sheared copy of an % existing one. Shearing slides one edge of an image along the X or Y % axis, creating a parallelogram. An X direction shear slides an edge % along the X axis, while a Y direction shear slides an edge along the Y % axis. The amount of the shear is controlled by a shear angle. For X % direction shears, x_shear is measured relative to the Y axis, and % similarly, for Y direction shears y_shear is measured relative to the % X axis. Empty triangles left over from shearing the image are filled % with the color defined by the pixel at location (0,0). ShearImage % allocates the memory necessary for the new Image structure and returns % a pointer to the new image. % % Function ShearImage is based on the paper "A Fast Algorithm for General % Raster Rotatation" by Alan W. Paeth. % % The format of the ShearImage routine is: % % ShearImage(image,x_shear,y_shear,crop) % % A description of each parameter follows. % % o status: Function ShearImage returns a pointer to the image after % rotating. A null image is returned if there is a memory shortage. % % o image: The address of a structure of type Image; returned from % ReadImage. % % o x_shear, y_shear: Specifies the number of degrees to shear the image. % % o background: The address of a ColorPacket structure; contains the % color of the empty triangles. % % o crop: A value other than zero crops the corners of the rotated % image and retains the original image size. % % */ Image *ShearImage(image,x_shear,y_shear,background,crop) Image *image; double x_shear, y_shear; ColorPacket *background; unsigned int crop; { Image *cropped_image, *sharpened_image, *sheared_image; int x_offset, y_offset; Quantum *range_limit, *range_table; RectangleInfo border_info; register int i; unsigned int y_width; /* Adjust shear angle. */ while (x_shear < -45.0) x_shear+=360.0; while (x_shear > 45.0) x_shear-=90.0; while (y_shear < -45.0) y_shear+=360.0; while (y_shear > 45.0) y_shear-=90.0; x_shear=(-tan(DegreesToRadians(x_shear)/2.0)); y_shear=sin(DegreesToRadians(y_shear)); /* Initialize range table. */ range_table=(Quantum *) malloc(3*(MaxRGB+1)*sizeof(Quantum)); if (range_table == (Quantum *) NULL) { Warning("Unable to shear image","Memory allocation failed"); return((Image *) NULL); } for (i=0; i <= MaxRGB; i++) { range_table[i]=0; range_table[i+(MaxRGB+1)]=(Quantum) i; range_table[i+(MaxRGB+1)*2]=MaxRGB; } range_limit=range_table+(MaxRGB+1); /* Compute image size. */ y_width=image->columns+(int) ceil(fabs(x_shear)*(double) (image->rows-1)); x_offset=(image->columns+((int) ceil(fabs(x_shear)*(double) (image->rows-1)) << 1)-image->columns) >> 1; y_offset=(image->rows+(int) ceil(fabs(y_shear)*(double) (y_width-1))- image->rows) >> 1; /* Surround image with border of background color. */ border_info.width=x_offset; border_info.height=y_offset+1; sheared_image=BorderImage(image,&border_info,background); if (sheared_image == (Image *) NULL) { Warning("Unable to shear image","Memory allocation failed"); return((Image *) NULL); } sheared_image->class=DirectClass; /* Shear the image rows. */ XShearImage(sheared_image,x_shear,image->columns,image->rows,x_offset, ((int) (sheared_image->rows-image->rows) >> 1),background,range_limit); /* Shear the image columns. */ YShearImage(sheared_image,y_shear,y_width,image->rows, ((int) (sheared_image->columns-y_width) >> 1),y_offset+1,background, range_limit); free((char *) range_table); /* Crop image. */ cropped_image=CropShearImage(sheared_image,x_shear,y_shear,image->columns, image->rows,crop); if (cropped_image != (Image *) NULL) { DestroyImage(sheared_image); sheared_image=cropped_image; } /* Sharpen image. */ sharpened_image=SharpenImage(sheared_image,SharpenFactor); if (sharpened_image != (Image *) NULL) { DestroyImage(sheared_image); sheared_image=sharpened_image; } return(sheared_image); } % % R o t a t e I m a g e % % % % ./ImageMagick/magick/error.c010064400000240000024000000257420602164600300170260ustar00cristycristy00002330000007/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % EEEEE RRRR RRRR OOO RRRR % % E R R R R O O R R % % EEE RRRR RRRR O O RRRR % % E R R R R O O R R % % EEEEE R R R R OOO R R % % % % % % ImageMagick Error Routines % % % % % % % % Software Design % % John Cristy % % July 1993 % % % % % % Copyright 1995 E. I. du Pont de Nemours and Company % % % % Permission to use, copy, modify, distribute, and sell this software and % % its documentation for any purpose is hereby granted without fee, % % provided that the above Copyright notice appear in all copies and that % % both that Copyright notice and this permission notice appear in % % supporting documentation, and that the name of E. I. du Pont de Nemours % % and Company not be used in advertising or publicity pertaining to % % distribution of the software without specific, written prior % % permission. E. I. du Pont de Nemours and Company makes no representations % % about the suitability of this software for any purpose. It is provided % % "as is" without express or implied warranty. % % % % E. I. du Pont de Nemours and Company disclaims all warranties with regard % % to this software, including all implied warranties of merchantability % % and fitness, in no event shall E. I. du Pont de Nemours and Company be % % liable for any special, indirect or consequential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, negligence or other tortuous action, arising % % out of or in connection with the use or performance of this software. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % */ /* Include declarations. */ #include "magick.h" /* Forward declaraations. */ static void DefaultErrorHandler _Declare((char *,char *)), DefaultWarningHandler _Declare((char *,char *)); /* Global declarations. */ char *client_name; static ErrorHandler error_handler = DefaultErrorHandler, warning_handler = DefaultWarningHandler; /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % D e f a u l t E r r o r H a n d l e r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function DefaultErrorHandler displays an error message and then terminates % the program. % % The format of the DefaultErrorHandler routine is: % % DefaultErrorHandler(message,qualifier) % % A description of each parameter follows: % % o message: Specifies the message to display before terminating the % program. % % o qualifier: Specifies any qualifier to the message. % % */ static void DefaultErrorHandler(message,qualifier) char *message, *qualifier; { if (message == (char *) NULL) exit(1); (void) fprintf(stderr,"%s: %s",client_name,message); if (qualifier != (char *) NULL) (void) fprintf(stderr," (%s)",qualifier); (void) fprintf(stderr,".\n"); exit(1); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % D e f a u l t W a r n i n g H a n d l e r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function DefaultWarningHandler displays a warning message. % % The format of the DefaultWarningHandler routine is: % % DefaultWarningHandler(message,qualifier) % % A description of each parameter follows: % % o message: Specifies the message to display before terminating the % program. % % o qualifier: Specifies any qualifier to the message. % % */ static void DefaultWarningHandler(message,qualifier) char *message, *qualifier; { if (message == (char *) NULL) return; (void) fprintf(stderr,"%s: %s",client_name,message); if (qualifier != (char *) NULL) (void) fprintf(stderr," (%s)",qualifier); (void) fprintf(stderr,".\n"); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % E r r o r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function Error calls the error handler routines with an error message. % % The format of the Error routine is: % % Error(message,qualifier) % % A description of each parameter follows: % % o message: Specifies the message to display before terminating the % program. % % o qualifier: Specifies any qualifier to the message. % % */ void Error(message,qualifier) char *message, *qualifier; { if (error_handler != (ErrorHandler) NULL) (*error_handler)(message,qualifier); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S e t E r r o r H a n d l e r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function SetErrorHandler sets the error handler to the specified routine. % % The format of the SetErrorHandler routine is: % % SetErrorHandler(handler) % % A description of each parameter follows: % % o handler: Specifies a pointer to a routine to handle errors. % % */ void SetErrorHandler(handler) ErrorHandler handler; { error_handler=handler; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S e t W a r n i n g H a n d l e r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function SetWarningHandler sets the warning handler to the specified routine. % % The format of the SetWarningHandler routine is: % % SetWarningHandler(handler) % % A description of each parameter follows: % % o handler: Specifies a pointer to a routine to handle warnings. % % */ void SetWarningHandler(handler) ErrorHandler handler; { warning_handler=handler; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W a r n i n g % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function Warning calls the warning handler routines with an warning message. % % The format of the Warning routine is: % % Warning(message,qualifier) % % A description of each parameter follows: % % o message: Specifies the message to display before terminating the % program. % % o qualifier: Specifies any qualifier to the message. % % */ void Warning(message,qualifier) char *message, *qualifier; { if (warning_handler != (ErrorHandler) NULL) (*warning_handler)(message,qualifier); } % % ./ImageMagick/magick/compress.c010064400000240000024000002620560602262310600175310ustar00cristycristy00002330000007/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % CCCC OOO M M PPPP RRRR EEEEE SSSSS SSSSS % % C O O MM MM P P R R E SS SS % % C O O M M M PPPP RRRR EEE SSS SSS % % C O O M M P R R E SS SS % % CCCC OOO M M P R R EEEEE SSSSS SSSSS % % % % % % Image Compression/Decompression Coders % % % % % % % % Software Design % % John Cristy % % May 1993 % % % % % % Copyright 1995 E. I. du Pont de Nemours and Company % % % % Permission to use, copy, modify, distribute, and sell this software and % % its documentation for any purpose is hereby granted without fee, % % provided that the above Copyright notice appear in all copies and that % % both that Copyright notice and this permission notice appear in % % supporting documentation, and that the name of E. I. du Pont de Nemours % % and Company not be used in advertising or publicity pertaining to % % distribution of the software without specific, written prior % % permission. E. I. du Pont de Nemours and Company makes no representations % % about the suitability of this software for any purpose. It is provided % % "as is" without express or implied warranty. % % % % E. I. du Pont de Nemours and Company disclaims all warranties with regard % % to this software, including all implied warranties of merchantability % % and fitness, in no event shall E. I. du Pont de Nemours and Company be % % liable for any special, indirect or consequential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, negligence or other tortious action, arising % % out of or in connection with the use or performance of this software. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % */ /* Include declarations. */ #include "magick.h" #include "image.h" #include "utility.h" /* Define declarations. */ #define LowerBound 0 #define MaxContextStates 121 #define MinimumIntervalD (unsigned short) 0xf000 /* ~-0.75 */ #define MinimumIntervalE (unsigned short) 0x1000 /* ~0.75 */ #define No 0 #define UpperBound 2 #define Yes 1 /* State classification. */ #define ZeroState 0 #define SmallPostitiveState 1 #define SmallNegativeState 2 #define LargePostitiveState 3 #define LargeNegativeState 4 /* Typedef declarations. */ typedef struct HuffmanTable { int id, code, length, count; } HuffmanTable; typedef struct _ScanlinePacket { unsigned char pixel; int state; } ScanlinePacket; /* Huffman coding declarations. */ #define TWId 23 #define MWId 24 #define TBId 25 #define MBId 26 #define EXId 27 static HuffmanTable MBTable[]= { { MBId, 0x0f, 10, 64 }, { MBId, 0xc8, 12, 128 }, { MBId, 0xc9, 12, 192 }, { MBId, 0x5b, 12, 256 }, { MBId, 0x33, 12, 320 }, { MBId, 0x34, 12, 384 }, { MBId, 0x35, 12, 448 }, { MBId, 0x6c, 13, 512 }, { MBId, 0x6d, 13, 576 }, { MBId, 0x4a, 13, 640 }, { MBId, 0x4b, 13, 704 }, { MBId, 0x4c, 13, 768 }, { MBId, 0x4d, 13, 832 }, { MBId, 0x72, 13, 896 }, { MBId, 0x73, 13, 960 }, { MBId, 0x74, 13, 1024 }, { MBId, 0x75, 13, 1088 }, { MBId, 0x76, 13, 1152 }, { MBId, 0x77, 13, 1216 }, { MBId, 0x52, 13, 1280 }, { MBId, 0x53, 13, 1344 }, { MBId, 0x54, 13, 1408 }, { MBId, 0x55, 13, 1472 }, { MBId, 0x5a, 13, 1536 }, { MBId, 0x5b, 13, 1600 }, { MBId, 0x64, 13, 1664 }, { MBId, 0x65, 13, 1728 }, { MBId, 0x00, 0, 0 } }; static HuffmanTable EXTable[]= { { EXId, 0x08, 11, 1792 }, { EXId, 0x0c, 11, 1856 }, { EXId, 0x0d, 11, 1920 }, { EXId, 0x12, 12, 1984 }, { EXId, 0x13, 12, 2048 }, { EXId, 0x14, 12, 2112 }, { EXId, 0x15, 12, 2176 }, { EXId, 0x16, 12, 2240 }, { EXId, 0x17, 12, 2304 }, { EXId, 0x1c, 12, 2368 }, { EXId, 0x1d, 12, 2432 }, { EXId, 0x1e, 12, 2496 }, { EXId, 0x1f, 12, 2560 }, { EXId, 0x00, 0, 0 } }; static HuffmanTable MWTable[]= { { MWId, 0x1b, 5, 64 }, { MWId, 0x12, 5, 128 }, { MWId, 0x17, 6, 192 }, { MWId, 0x37, 7, 256 }, { MWId, 0x36, 8, 320 }, { MWId, 0x37, 8, 384 }, { MWId, 0x64, 8, 448 }, { MWId, 0x65, 8, 512 }, { MWId, 0x68, 8, 576 }, { MWId, 0x67, 8, 640 }, { MWId, 0xcc, 9, 704 }, { MWId, 0xcd, 9, 768 }, { MWId, 0xd2, 9, 832 }, { MWId, 0xd3, 9, 896 }, { MWId, 0xd4, 9, 960 }, { MWId, 0xd5, 9, 1024 }, { MWId, 0xd6, 9, 1088 }, { MWId, 0xd7, 9, 1152 }, { MWId, 0xd8, 9, 1216 }, { MWId, 0xd9, 9, 1280 }, { MWId, 0xda, 9, 1344 }, { MWId, 0xdb, 9, 1408 }, { MWId, 0x98, 9, 1472 }, { MWId, 0x99, 9, 1536 }, { MWId, 0x9a, 9, 1600 }, { MWId, 0x18, 6, 1664 }, { MWId, 0x9b, 9, 1728 }, { MWId, 0x00, 0, 0 } }; static HuffmanTable TBTable[]= { { TBId, 0x37, 10, 0 }, { TBId, 0x02, 3, 1 }, { TBId, 0x03, 2, 2 }, { TBId, 0x02, 2, 3 }, { TBId, 0x03, 3, 4 }, { TBId, 0x03, 4, 5 }, { TBId, 0x02, 4, 6 }, { TBId, 0x03, 5, 7 }, { TBId, 0x05, 6, 8 }, { TBId, 0x04, 6, 9 }, { TBId, 0x04, 7, 10 }, { TBId, 0x05, 7, 11 }, { TBId, 0x07, 7, 12 }, { TBId, 0x04, 8, 13 }, { TBId, 0x07, 8, 14 }, { TBId, 0x18, 9, 15 }, { TBId, 0x17, 10, 16 }, { TBId, 0x18, 10, 17 }, { TBId, 0x08, 10, 18 }, { TBId, 0x67, 11, 19 }, { TBId, 0x68, 11, 20 }, { TBId, 0x6c, 11, 21 }, { TBId, 0x37, 11, 22 }, { TBId, 0x28, 11, 23 }, { TBId, 0x17, 11, 24 }, { TBId, 0x18, 11, 25 }, { TBId, 0xca, 12, 26 }, { TBId, 0xcb, 12, 27 }, { TBId, 0xcc, 12, 28 }, { TBId, 0xcd, 12, 29 }, { TBId, 0x68, 12, 30 }, { TBId, 0x69, 12, 31 }, { TBId, 0x6a, 12, 32 }, { TBId, 0x6b, 12, 33 }, { TBId, 0xd2, 12, 34 }, { TBId, 0xd3, 12, 35 }, { TBId, 0xd4, 12, 36 }, { TBId, 0xd5, 12, 37 }, { TBId, 0xd6, 12, 38 }, { TBId, 0xd7, 12, 39 }, { TBId, 0x6c, 12, 40 }, { TBId, 0x6d, 12, 41 }, { TBId, 0xda, 12, 42 }, { TBId, 0xdb, 12, 43 }, { TBId, 0x54, 12, 44 }, { TBId, 0x55, 12, 45 }, { TBId, 0x56, 12, 46 }, { TBId, 0x57, 12, 47 }, { TBId, 0x64, 12, 48 }, { TBId, 0x65, 12, 49 }, { TBId, 0x52, 12, 50 }, { TBId, 0x53, 12, 51 }, { TBId, 0x24, 12, 52 }, { TBId, 0x37, 12, 53 }, { TBId, 0x38, 12, 54 }, { TBId, 0x27, 12, 55 }, { TBId, 0x28, 12, 56 }, { TBId, 0x58, 12, 57 }, { TBId, 0x59, 12, 58 }, { TBId, 0x2b, 12, 59 }, { TBId, 0x2c, 12, 60 }, { TBId, 0x5a, 12, 61 }, { TBId, 0x66, 12, 62 }, { TBId, 0x67, 12, 63 }, { TBId, 0x00, 0, 0 } }; static HuffmanTable TWTable[]= { { TWId, 0x35, 8, 0 }, { TWId, 0x07, 6, 1 }, { TWId, 0x07, 4, 2 }, { TWId, 0x08, 4, 3 }, { TWId, 0x0b, 4, 4 }, { TWId, 0x0c, 4, 5 }, { TWId, 0x0e, 4, 6 }, { TWId, 0x0f, 4, 7 }, { TWId, 0x13, 5, 8 }, { TWId, 0x14, 5, 9 }, { TWId, 0x07, 5, 10 }, { TWId, 0x08, 5, 11 }, { TWId, 0x08, 6, 12 }, { TWId, 0x03, 6, 13 }, { TWId, 0x34, 6, 14 }, { TWId, 0x35, 6, 15 }, { TWId, 0x2a, 6, 16 }, { TWId, 0x2b, 6, 17 }, { TWId, 0x27, 7, 18 }, { TWId, 0x0c, 7, 19 }, { TWId, 0x08, 7, 20 }, { TWId, 0x17, 7, 21 }, { TWId, 0x03, 7, 22 }, { TWId, 0x04, 7, 23 }, { TWId, 0x28, 7, 24 }, { TWId, 0x2b, 7, 25 }, { TWId, 0x13, 7, 26 }, { TWId, 0x24, 7, 27 }, { TWId, 0x18, 7, 28 }, { TWId, 0x02, 8, 29 }, { TWId, 0x03, 8, 30 }, { TWId, 0x1a, 8, 31 }, { TWId, 0x1b, 8, 32 }, { TWId, 0x12, 8, 33 }, { TWId, 0x13, 8, 34 }, { TWId, 0x14, 8, 35 }, { TWId, 0x15, 8, 36 }, { TWId, 0x16, 8, 37 }, { TWId, 0x17, 8, 38 }, { TWId, 0x28, 8, 39 }, { TWId, 0x29, 8, 40 }, { TWId, 0x2a, 8, 41 }, { TWId, 0x2b, 8, 42 }, { TWId, 0x2c, 8, 43 }, { TWId, 0x2d, 8, 44 }, { TWId, 0x04, 8, 45 }, { TWId, 0x05, 8, 46 }, { TWId, 0x0a, 8, 47 }, { TWId, 0x0b, 8, 48 }, { TWId, 0x52, 8, 49 }, { TWId, 0x53, 8, 50 }, { TWId, 0x54, 8, 51 }, { TWId, 0x55, 8, 52 }, { TWId, 0x24, 8, 53 }, { TWId, 0x25, 8, 54 }, { TWId, 0x58, 8, 55 }, { TWId, 0x59, 8, 56 }, { TWId, 0x5a, 8, 57 }, { TWId, 0x5b, 8, 58 }, { TWId, 0x4a, 8, 59 }, { TWId, 0x4b, 8, 60 }, { TWId, 0x32, 8, 61 }, { TWId, 0x33, 8, 62 }, { TWId, 0x34, 8, 63 }, { TWId, 0x00, 0, 0 } }; /* Static Q-coder declarations. */ static int decrement_less_probable[]= { 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 3, 2, 3, 2 }; static int increment_more_probable[]= { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0 }; static int more_probable_exchange[]= { 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; static int statistics[][5]= { { 0, 4, 8, 12, 16 }, { 20, 24, 28, 32, 36 }, { 40, 44, 48, 52, 56 }, { 60, 64, 68, 72, 76 }, { 80, 84, 88, 92, 96 } }; static unsigned short probability[]= { 0x0ac1, 0x0a81, 0x0a01, 0x0901, 0x0701, 0x0681, 0x0601, 0x0501, 0x0481, 0x0441, 0x0381, 0x0301, 0x02c1, 0x0281, 0x0241, 0x0181, 0x0121, 0x00e1, 0x00a1, 0x0071, 0x0059, 0x0053, 0x0027, 0x0017, 0x0013, 0x000b, 0x0007, 0x0005, 0x0003, 0x0001 }; /* Declarations and initializations for predictive arithimetic coder. */ static int code, less_probable[MaxContextStates], more_probable[MaxContextStates], probability_estimate[MaxContextStates]; static unsigned char *q; static unsigned short interval; /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % A S C I I 8 5 E n c o d e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ASCII85Encode encodes data in ASCII base-85 format. ASCII base-85 % encoding produces five ASCII printing characters from every four bytes of % binary data. % % The format of the ASCII85Encode routine is: % % ASCII85Encode(code,file) % % A description of each parameter follows: % % o code: a binary unsigned char to encode to ASCII 85. % % o file: write the encoded ASCII character to this file. % % */ #define MaxLineLength 36 static int count, line_break; static unsigned char ascii85_buffer[10]; static char *Ascii85Tuple(data) unsigned char *data; { static char tuple[6]; register unsigned int word, x; register unsigned short y; word=(((data[0] << 8) | data[1]) << 16) | (data[2] << 8) | data[3]; if (word == 0L) { tuple[0]='z'; tuple[1]='\0'; return(tuple); } x=word/(85L*85*85*85); tuple[0]=x+'!'; word-=x*(85L*85*85*85); x=word/(85L*85*85); tuple[1]=x+'!'; word-=x*(85L*85*85); x=word/(85*85); tuple[2]=x+'!'; y=(unsigned short) (word-x*(85L*85)); tuple[3]=(y/85)+'!'; tuple[4]=(y % 85)+'!'; tuple[5]='\0'; return(tuple); } void Ascii85Initialize() { line_break=MaxLineLength << 1; count=0; } void Ascii85Flush(file) FILE *file; { register char *tuple; if (count > 0) { ascii85_buffer[count]=0; ascii85_buffer[count+1]=0; ascii85_buffer[count+2]=0; tuple=Ascii85Tuple(ascii85_buffer); (void) fputs(*tuple == 'z' ? "!!!!" : tuple,file); } (void) fputc('~',file); (void) fputc('>',file); } void Ascii85Encode(code,file) unsigned int code; FILE *file; { int n; register char *q; register unsigned char *p; ascii85_buffer[count]=code; count++; if (count < 4) return; p=ascii85_buffer; for (n=count; n >= 4; n-=4) { for (q=Ascii85Tuple(p); *q; q++) { (void) fputc(*q,file); line_break--; if (line_break == 0) { (void) fputc('\n',file); line_break=2*MaxLineLength; } } p+=8; } count=n; p-=4; for (n=0; n < 4; n++) ascii85_buffer[n]=(*p++); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % B M P D e c o d e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function BMPDecodeImage unpacks the packed image pixels into % runlength-encoded pixel packets. % % The format of the BMPDecodeImage routine is: % % status=BMPDecodeImage(compressed_pixels,pixels,compression, % number_columns,number_rows) % % A description of each parameter follows: % % o status: Function BMPDecodeImage returns True if all the pixels are % uncompressed without error, otherwise False. % % o compressed_pixels: The address of a byte (8 bits) array of compressed % pixel data. % % o pixels: The address of a byte (8 bits) array of pixel data created by % the decoding process. % % o compression: A value of 1 means the compressed pixels are runlength % encoded for a 256-color bitmap. A value of 2 means a 16-color bitmap. % % o number_columns: An integer value that is the number of columns or % width in pixels of your source image. % % o number_rows: An integer value that is the number of rows or % heigth in pixels of your source image. % % */ unsigned int BMPDecodeImage(compressed_pixels,pixels,compression, number_columns,number_rows) unsigned char *compressed_pixels, *pixels; unsigned int compression, number_columns, number_rows; { register int i, x, y; register unsigned char *p, *q; unsigned char byte, count; p=compressed_pixels; q=pixels; x=0; for (y=0; y < number_rows; ) { count=(*p++); if (count != 0) { /* Encoded mode. */ byte=(*p++); for (i=0; i < (int) count; i++) { if (compression == 1) *q++=byte; else *q++=(i & 0x01) ? (byte & 0x0f) : ((byte >> 4) & 0x0f); x++; } } else { /* Escape mode. */ count=(*p++); if (count == 0x01) return(True); switch (count) { case 0x00: { /* End of line. */ x=0; y++; q=pixels+y*number_columns; break; } case 0x02: { /* Delta mode. */ x+=(*p++); y+=(*p++); q=pixels+y*number_columns+x; break; } default: { /* Absolute mode. */ for (i=0; i < (int) count; i++) { if (compression == 1) *q++=(*p++); else { if ((i & 0x01) == 0) byte=(*p++); *q++=(i & 0x01) ? (byte & 0x0f) : ((byte >> 4) & 0x0f); } x++; } /* Read pad byte. */ if (compression == 1) { if (count & 0x01) p++; } else if (((count & 0x03) == 1) || ((count & 0x03) == 2)) p++; break; } } } } return(False); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % B M P E n c o d e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function BMPEncodeImage compresses pixels using a runlength encoded format. % % The format of the BMPEncodeImage routine is: % % status=BMPEncodeImage(pixels,compressed_pixels,number_columns, % number_rows) % % A description of each parameter follows: % % o status: Function BMPEncodeImage returns the number of bytes in the % runlength encoded compress_pixels array. % % o pixels: The address of a byte (8 bits) array of pixel data created by % the compression process. % % o compressed_pixels: The address of a byte (8 bits) array of compressed % pixel data. % % o number_columns: An integer value that is the number of columns or % width in pixels of your source image. % % o number_rows: An integer value that is the number of rows or % heigth in pixels of your source image. % % */ unsigned int BMPEncodeImage(pixels,compressed_pixels,number_columns,number_rows) unsigned char *pixels, *compressed_pixels; unsigned int number_columns, number_rows; { register int i, x, y; register unsigned char *p, *q; /* Runlength encode pixels. */ p=pixels; q=compressed_pixels; i=0; for (y=0; y < number_rows; y++) { for (x=0; x < number_columns; x+=i) { /* Determine runlength. */ for (i=1; ((x+i) < number_columns); i++) if ((*(p+i) != *p) || (i == 255)) break; *q++=i; *q++=(*p); p+=i; } /* End of line. */ *q++=0; *q++=0x00; } /* End of bitmap. */ *q++=0; *q++=0x01; return(q-compressed_pixels); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % D e c o d e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function Decode uncompresses a string. % % The format of the Decode routine is: % % Decode(state,decision) % % A description of each parameter follows: % % o state: An integer value representing the current state. % % o decision: A pointer to an integer. The output of the binary % decision (Yes/No) is returned in this value. % % */ static void Decode(state,decision) register int state, *decision; { interval+=probability[probability_estimate[state]]; if (((code >> 16) & 0xffff) < ((int) interval)) { code-=(interval << 16); interval=(-probability[probability_estimate[state]]); *decision=less_probable[state]; } else { *decision=more_probable[state]; if (interval <= MinimumIntervalD) return; } do { if ((code & 0xff) == 0) { code&=0xffff0000; if ((*q++) == 0xff) code+=((int) (*q) << 9)+0x02; else code+=((int) (*q) << 8)+0x01; } interval<<=1; code<<=1; } while (interval > MinimumIntervalD); /* Update probability estimates. */ if (*decision == more_probable[state]) probability_estimate[state]+= increment_more_probable[probability_estimate[state]]; else probability_estimate[state]-= decrement_less_probable[probability_estimate[state]]; if (more_probable_exchange[probability_estimate[state]] != 0) { /* Exchange sense of most probable and least probable. */ less_probable[state]=more_probable[state]; more_probable[state]=1-more_probable[state]; } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % E n c o d e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function Encode generate compressed data string by encoding yes-no decision % given state s. % % The format of the Encode routine is: % % Encode(state,decision) % % A description of each parameter follows: % % o state: An integer value representing the current state. % % o decision: An integer value representing a binary decision. % % */ static void Encode(state,decision) register int state, decision; { /* Test on "most-probable-symbol" for state s(more_probable[state]) */ interval-=probability[probability_estimate[state]]; if (more_probable[state] != decision) { code-=interval; interval=probability[probability_estimate[state]]; } else if (interval >= MinimumIntervalE) return; /* Encoder renormalization. */ do { interval<<=1; if (code >= 0) code<<=1; else { /* Shift unsigned char of data from Code register to compressed string. */ code<<=1; if (code > 0) { /* Add eight bits from Code register to compressed data string. */ (*q++)--; *q=(unsigned char) (code >> 16); code&=0x0000ffff; code|=0x01800000; } else { code&=0x01ffffff; if ((int) interval > code) { /* Add eight bits from Code register to compressed data string. */ (*q++)--; *q=0xff; code|=0x01810000; } else if ((*q++) == 0xff) { /* Add seven bits from Code register plus one stuffed bit to compressed data string. */ *q=(unsigned char) (code >> 17); code&=0x0001ffff; code|=0x03000000; } else { /* Add eight bits from Code register to compressed data string. */ *q=(unsigned char) (code >> 16); code&=0x0000ffff; code|=0x01800000; } } } } while (interval < MinimumIntervalE); /* Update probability estimates */ if (decision == more_probable[state]) probability_estimate[state]+= increment_more_probable[probability_estimate[state]]; else probability_estimate[state]-= decrement_less_probable[probability_estimate[state]]; if (more_probable_exchange[probability_estimate[state]] != 0) more_probable[state]=1-more_probable[state]; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % F l u s h % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function Flush flushes the final bits of data from the Code register to the % compressed data string. % % The format of the Flush routine is: % % Flush() % % */ static void Flush() { register int extra_bits; code-=interval; extra_bits=24; extra_bits--; while (code >= 0) { code<<=1; extra_bits--; } code<<=1; if (code > 0) (*q)--; /* Add the final compressed data unsigned chars to the compressed data string. */ do { if ((*q++) == 0xff) { /* Add seven bits of data plus one stuffed bit to the compressed data string during final Flush of Code register. */ *q=(unsigned char) (code >> 17); code&=0x0001ffff; code<<=7; extra_bits-=7; } else { /* Add eight bits of data to the compressed data string during final flush of Code register. */ *q=(unsigned char) (code >> 16); code&=0x0000ffff; code<<=8; extra_bits-=8; } } while (extra_bits > 0); q++; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % H u f f m a n D e c o d e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function HuffmanDecodeImage uncompresses an image via Huffman-coding. % % The format of the HuffmanDecodeImage routine is: % % status=HuffmanDecodeImage(image) % % A description of each parameter follows: % % o status: Function HuffmanDecodeImage returns True if all the pixels are % compressed without error, otherwise False. % % o image: The address of a structure of type Image. % % */ unsigned int HuffmanDecodeImage(image) Image *image; { #define HashSize 1021 #define MBHashA 293 #define MBHashB 2695 #define MWHashA 3510 #define MWHashB 1178 #define InitializeHashTable(hash,table,a,b) \ { \ entry=table; \ while (entry->code != 0) \ { \ hash[((entry->length+a)*(entry->code+b)) % HashSize]=entry; \ entry++; \ } \ } #define InputBit(bit) \ { \ if ((mask & 0xff) == 0) \ { \ byte=getc(image->file); \ mask=0x80; \ } \ runlength++; \ bit=byte & mask ? 1 : 0; \ mask>>=1; \ if (bit) \ runlength=0; \ } HuffmanTable *entry, **mb_hash, **mw_hash; int code, color, count, length, null_lines, runlength, x, y; register int i; register RunlengthPacket *q; register unsigned char *p; unsigned char bit, byte, mask, *scanline; unsigned int packets; unsigned short index; /* Allocate buffers. */ mb_hash=(HuffmanTable **) malloc(HashSize*sizeof(HuffmanTable *)); mw_hash=(HuffmanTable **) malloc(HashSize*sizeof(HuffmanTable *)); scanline=(unsigned char *) malloc(image->columns*sizeof(unsigned char)); if ((mb_hash == (HuffmanTable **) NULL) || (mw_hash == (HuffmanTable **) NULL) || (scanline == (unsigned char *) NULL)) { Warning("Unable to allocate memory",(char *) NULL); return(False); } /* Initialize Huffman tables. */ for (i=0; i < HashSize; i++) { mb_hash[i]=(HuffmanTable *) NULL; mw_hash[i]=(HuffmanTable *) NULL; } InitializeHashTable(mw_hash,TWTable,MWHashA,MWHashB); InitializeHashTable(mw_hash,MWTable,MWHashA,MWHashB); InitializeHashTable(mw_hash,EXTable,MWHashA,MWHashB); InitializeHashTable(mb_hash,TBTable,MBHashA,MBHashB); InitializeHashTable(mb_hash,MBTable,MBHashA,MBHashB); InitializeHashTable(mb_hash,EXTable,MBHashA,MBHashB); /* Uncompress 1D Huffman to runlength encoded pixels. */ mask=0; null_lines=0; packets=image->packets; image->packets=0; q=image->pixels; q->length=MaxRunlength; for (y=0; ((y < image->rows) && (null_lines < 3)); y++) { /* Initialize scanline to white. */ p=scanline; for (x=0; x < image->columns; x++) *p++=0; /* Decode Huffman encoded scanline. */ color=True; code=0; count=0; length=0; runlength=0; for (x=0; x < image->columns; ) { do { if (runlength < 11) InputBit(bit) else { InputBit(bit); if (bit) length=13; } code=(code << 1)+bit; length++; } while ((code <= 0) && (length < 14)); if (length > 13) break; if (color) { if (length < 4) continue; entry=mw_hash[((length+MWHashA)*(code+MWHashB)) % HashSize]; } else { if (length < 2) continue; entry=mb_hash[((length+MBHashA)*(code+MBHashB)) % HashSize]; } if (!entry) continue; else if ((entry->length != length) || (entry->code != code)) continue; switch (entry->id) { case TWId: case TBId: { count+=entry->count; if ((x+count) > image->columns) count=image->columns-x; if (count > 0) if (color) { x+=count; count=0; } else for ( ; count > 0; count--) scanline[x++]=1; color=!color; break; } case MWId: case MBId: { count+=entry->count; break; } case EXId: { count+=entry->count; break; } default: break; } code=0; length=0; } null_lines++; if (x != 0) { /* Skip to end of scanline. */ while (runlength < 11) InputBit(bit); do { InputBit(bit); } while (bit == 0); null_lines=0; } /* Transfer scanline to image pixels. */ p=scanline; for (x=0; x < image->columns; x++) { index=(unsigned short) (*p++); if ((index == q->index) && ((int) q->length < MaxRunlength)) q->length++; else { if (image->packets != 0) q++; image->packets++; if (image->packets == packets) { packets<<=1; image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) { Warning("Unable to allocate memory",(char *) NULL); return(False); } q=image->pixels+image->packets-1; } q->index=index; q->length=0; } } } image->rows=y-1; SyncImage(image); image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,image->packets*sizeof(RunlengthPacket)); /* Free decoder memory. */ free((char *) mw_hash); free((char *) mb_hash); free((char *) scanline); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % H u f f m a n E n c o d e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function HuffmanEncodeImage compresses an image via Huffman-coding. % % The format of the HuffmanEncodeImage routine is: % % status=HuffmanEncodeImage(image) % % A description of each parameter follows: % % o status: Function HuffmanEncodeImage returns True if all the pixels are % compressed without error, otherwise False. % % o image: The address of a structure of type Image. % % */ unsigned int HuffmanEncodeImage(image) Image *image; { #define HuffmanOutputCode(entry) \ { \ mask=1 << (entry->length-1); \ while (mask != 0) \ { \ OutputBit((entry->code & mask ? 1 : 0)); \ mask>>=1; \ } \ } #define OutputBit(count) \ { \ if(count > 0) \ byte=byte | bit; \ bit>>=1; \ if ((bit & 0xff) == 0) \ { \ (void) fputc((char) byte,image->file); \ byte=0; \ bit=0x80; \ } \ } HuffmanTable *entry; int i, k, runlength; register int j, n, x; register RunlengthPacket *p; register unsigned char *q; register unsigned short polarity; unsigned char bit, byte, *scanline; unsigned int mask; /* Allocate scanline buffer. */ scanline=(unsigned char *) malloc((Max(image->columns,1728)+1)*sizeof(unsigned char)); if (scanline == (unsigned char *) NULL) { Warning("Unable to allocate memory",(char *) NULL); return(False); } /* Compress runlength encoded to 1D Huffman pixels. */ polarity=0; if (image->colors == 2) polarity=(Intensity(image->colormap[0]) > Intensity(image->colormap[1]) ? 0 : 1); q=scanline; for (i=0; i < Max(image->columns,1728); i++) *q++=polarity; byte=0; bit=0x80; p=image->pixels; q=scanline; x=0; for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { *q++=(unsigned char) (p->index == polarity ? polarity : !polarity); x++; if (x < image->columns) continue; /* Huffman encode scanline. */ q=scanline; for (n=Max(image->columns,1728); n > 0; ) { /* Output white run. */ for (runlength=0; ((*q == polarity) && (n > 0)); n--) { q++; runlength++; } if (runlength >= 64) { entry=MWTable+((runlength/64)-1); runlength-=entry->count; HuffmanOutputCode(entry); } entry=TWTable+runlength; HuffmanOutputCode(entry); if (n != 0) { /* Output black run. */ for (runlength=0; ((*q != polarity) && (n > 0)); n--) { q++; runlength++; } if (runlength >= 64) { entry=MBTable+((runlength/64)-1); runlength-=entry->count; HuffmanOutputCode(entry); } entry=TBTable+runlength; HuffmanOutputCode(entry); } } /* End of line. */ for (k=0; k < 11; k++) OutputBit(0); OutputBit(1); x=0; q=scanline; } p++; } /* End of page. */ for (i=0; i < 6; i++) { for (k=0; k < 11; k++) OutputBit(0); OutputBit(1); } /* Flush bits. */ if (bit != 0x80) (void) fputc((char) byte,image->file); free((char *) scanline); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % L Z W D e c o d e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function LZWDecodeImage uncompresses an image via LZW-coding. % % The format of the LZWDecodeImage routine is: % % status=LZWDecodeImage(image) % % A description of each parameter follows: % % o status: Function LZWDecodeImage returns True if all the pixels are % uncompressed without error, otherwise False. % % o image: The address of a structure of type Image. % % */ unsigned int LZWDecodeImage(image) Image *image; { #define MaxStackSize 4096 #define NullCode (-1) int available, clear, code_mask, code_size, end_of_information, in_code, old_code, status; register int bits, code, count, i; register RunlengthPacket *p; register unsigned char *c; register unsigned int datum; short *prefix; unsigned char data_size, first, *packet, *pixel_stack, *suffix, *top_stack; /* Allocate decoder tables. */ packet=(unsigned char *) malloc(256*sizeof(unsigned char)); prefix=(short *) malloc(MaxStackSize*sizeof(short)); suffix=(unsigned char *) malloc(MaxStackSize*sizeof(unsigned char)); pixel_stack=(unsigned char *) malloc((MaxStackSize+1)*sizeof(unsigned char)); if ((packet == (unsigned char *) NULL) || (prefix == (short *) NULL) || (suffix == (unsigned char *) NULL) || (pixel_stack == (unsigned char *) NULL)) return(False); /* Initialize LZW data stream decoder. */ data_size=fgetc(image->file); clear=1 << data_size; end_of_information=clear+1; available=clear+2; old_code=NullCode; code_size=data_size+1; code_mask=(1 << code_size)-1; for (code=0; code < clear; code++) { prefix[code]=0; suffix[code]=code; } /* Decode LZW pixel stream. */ datum=0; bits=0; c=0; count=0; first=0; top_stack=pixel_stack; p=image->pixels; for (i=0; i < image->packets; ) { if (top_stack == pixel_stack) { if (bits < code_size) { /* Load bytes until there is enough bits for a code. */ if (count == 0) { /* Read a new data block. */ count=ReadDataBlock((char *) packet,image->file); if (count <= 0) break; c=packet; } datum+=(*c) << bits; bits+=8; c++; count--; continue; } /* Get the next code. */ code=datum & code_mask; datum>>=code_size; bits-=code_size; /* Interpret the code */ if ((code > available) || (code == end_of_information)) break; if (code == clear) { /* Reset decoder. */ code_size=data_size+1; code_mask=(1 << code_size)-1; available=clear+2; old_code=NullCode; continue; } if (old_code == NullCode) { *top_stack++=suffix[code]; old_code=code; first=code; continue; } in_code=code; if (code == available) { *top_stack++=first; code=old_code; } while (code > clear) { *top_stack++=suffix[code]; code=prefix[code]; } first=suffix[code]; /* Add a new string to the string table, */ if (available >= MaxStackSize) break; *top_stack++=first; prefix[available]=old_code; suffix[available]=first; available++; if (((available & code_mask) == 0) && (available < MaxStackSize)) { code_size++; code_mask+=available; } old_code=in_code; } /* Pop a pixel off the pixel stack. */ top_stack--; p->index=(unsigned short) *top_stack; p->length=0; p++; i++; } /* Initialize any remaining color packets to a known color. */ status=i == image->packets; for ( ; i < image->packets; i++) { p->index=0; p->length=0; p++; } SyncImage(image); /* Free decoder memory. */ free((char *) pixel_stack); free((char *) suffix); free((char *) prefix); free((char *) packet); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % L Z W E n c o d e F i l t e r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function LZWEncodeFilter compresses an image via LZW-coding specific to % Postscript Level II or Portable Document Format. To ensure portability, the % binary LZW bytes are encoded as ASCII base-85. % % The format of the LZWEncodeFilter routine is: % % status=LZWEncodeFilter(file,pixels,number_pixels) % % A description of each parameter follows: % % o status: Function LZWEncodeFilter returns True if all the pixels are % compressed without error, otherwise False. % % o file: The address of a structure of type FILE. LZW encoded pixels % are written to this file. % % o pixels: The address of an unsigned array of characters containing the % pixels to compress. % % o number_pixels: An unsigned interger that specifies the number of % pixels to compress. % % */ unsigned int LZWEncodeFilter(file,pixels,number_pixels) FILE *file; unsigned char *pixels; unsigned int number_pixels; { #define LZWClr 256 /* Clear Table Marker */ #define LZWEod 257 /* End of Data marker */ #define OutputCode(code) \ { \ accumulator+=((long) code) << (32-code_width-number_bits); \ number_bits+=code_width; \ while (number_bits >= 8) \ { \ Ascii85Encode((unsigned int) (accumulator >> 24),file); \ accumulator=accumulator << 8; \ number_bits-=8; \ } \ } typedef struct _TableType { short prefix, suffix, next; } TableType; int index; register int i; short number_bits, code_width, last_code, next_index; TableType *table; unsigned long accumulator; /* Allocate string table. */ table=(TableType *) malloc((1 << 12)*sizeof(TableType)); if (table == (TableType *) NULL) return(False); /* Initialize variables. */ accumulator=0; code_width=9; number_bits=0; last_code=0; Ascii85Initialize(); OutputCode(LZWClr); for (index=0; index < 256; index++) { table[index].prefix=(-1); table[index].suffix=index; table[index].next=(-1); } next_index=LZWEod+1; code_width=9; last_code=pixels[0]; for (i=1; i < number_pixels; i++) { /* Find string. */ index=last_code; while (index != -1) if ((table[index].prefix != last_code) || (table[index].suffix != pixels[i])) index=table[index].next; else { last_code=index; break; } if (last_code != index) { /* Add string. */ OutputCode(last_code); table[next_index].prefix=last_code; table[next_index].suffix=pixels[i]; table[next_index].next=table[last_code].next; table[last_code].next=next_index; next_index++; /* Did we just move up to next bit width? */ if ((next_index >> code_width) != 0) { code_width++; if (code_width > 12) { /* Did we overflow the max bit width? */ code_width--; OutputCode(LZWClr); for (index=0; index < 256; index++) { table[index].prefix=(-1); table[index].suffix=index; table[index].next=(-1); } next_index=LZWEod+1; code_width=9; } } last_code=pixels[i]; } } /* Flush tables. */ OutputCode(last_code); OutputCode(LZWEod); if (number_bits != 0) Ascii85Encode((unsigned int) (accumulator >> 24),file); Ascii85Flush(file); free(table); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % L Z W E n c o d e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function LZWEncodeImage compresses an image via LZW-coding. % % The format of the LZWEncodeImage routine is: % % status=LZWEncodeImage(image,data_size) % % A description of each parameter follows: % % o status: Function LZWEncodeImage returns True if all the pixels are % compressed without error, otherwise False. % % o image: The address of a structure of type Image. % % */ unsigned int LZWEncodeImage(image,data_size) Image *image; unsigned int data_size; { #define MaxCode(number_bits) ((1 << (number_bits))-1) #define MaxHashTable 5003 #define MaxLZWBits 12 #define MaxLZWTable (1 << MaxLZWBits) #define LZWOutputCode(code) \ { \ /* \ Emit a code. \ */ \ if (bits > 0) \ datum|=((long) code << bits); \ else \ datum=(long) code; \ bits+=number_bits; \ while (bits >= 8) \ { \ /* \ Add a character to current packet. \ */ \ packet[byte_count++]=(unsigned char) (datum & 0xff); \ if (byte_count >= 254) \ { \ (void) fputc(byte_count,image->file); \ (void) fwrite((char *) packet,1,byte_count,image->file); \ byte_count=0; \ } \ datum>>=8; \ bits-=8; \ } \ if (free_code > max_code) \ { \ number_bits++; \ if (number_bits == MaxLZWBits) \ max_code=MaxLZWTable; \ else \ max_code=MaxCode(number_bits); \ } \ } int bits, byte_count, next_pixel, number_bits; long datum; register int displacement, i, j; register RunlengthPacket *p; short clear_code, end_of_information_code, free_code, *hash_code, *hash_prefix, index, max_code, waiting_code; unsigned char *packet, *hash_suffix; /* Uncompress image. */ if (!UncompressImage(image)) return(False); /* Allocate encoder tables. */ packet=(unsigned char *) malloc(256*sizeof(unsigned char)); hash_code=(short *) malloc(MaxHashTable*sizeof(short)); hash_prefix=(short *) malloc(MaxHashTable*sizeof(short)); hash_suffix=(unsigned char *) malloc(MaxHashTable*sizeof(unsigned char)); if ((packet == (unsigned char *) NULL) || (hash_code == (short *) NULL) || (hash_prefix == (short *) NULL) || (hash_suffix == (unsigned char *) NULL)) return(False); /* Initialize LZW encoder. */ number_bits=data_size; max_code=MaxCode(number_bits); clear_code=((short) 1 << (data_size-1)); end_of_information_code=clear_code+1; free_code=clear_code+2; byte_count=0; datum=0; bits=0; for (i=0; i < MaxHashTable; i++) hash_code[i]=0; LZWOutputCode(clear_code); /* Encode pixels. */ p=image->pixels; waiting_code=p->index; for (i=1; i < (image->columns*image->rows); i++) { /* Probe hash table. */ p++; index=p->index & 0xff; j=(int) ((int) index << (MaxLZWBits-8))+waiting_code; if (j >= MaxHashTable) j-=MaxHashTable; if (hash_code[j] > 0) { if ((hash_prefix[j] == waiting_code) && (hash_suffix[j] == index)) { waiting_code=hash_code[j]; continue; } if (j == 0) displacement=1; else displacement=MaxHashTable-j; next_pixel=False; for ( ; ; ) { j-=displacement; if (j < 0) j+=MaxHashTable; if (hash_code[j] == 0) break; if ((hash_prefix[j] == waiting_code) && (hash_suffix[j] == index)) { waiting_code=hash_code[j]; next_pixel=True; break; } } if (next_pixel == True) continue; } LZWOutputCode(waiting_code); if (free_code < MaxLZWTable) { hash_code[j]=free_code++; hash_prefix[j]=waiting_code; hash_suffix[j]=index; } else { /* Fill the hash table with empty entries. */ for (j=0; j < MaxHashTable; j++) hash_code[j]=0; /* Reset compressor and issue a clear code. */ free_code=clear_code+2; LZWOutputCode(clear_code); number_bits=data_size; max_code=MaxCode(number_bits); } waiting_code=index; } /* Flush out the buffered code. */ LZWOutputCode(waiting_code); LZWOutputCode(end_of_information_code); if (bits > 0) { /* Add a character to current packet. */ packet[byte_count++]=(unsigned char) (datum & 0xff); if (byte_count >= 254) { (void) fputc(byte_count,image->file); (void) fwrite((char *) packet,1,byte_count,image->file); byte_count=0; } } /* Flush accumulated data. */ if (byte_count > 0) { (void) fputc(byte_count,image->file); (void) fwrite((char *) packet,1,byte_count,image->file); } /* Free encoder memory. */ free((char *) hash_suffix); free((char *) hash_prefix); free((char *) hash_code); free((char *) packet); if (i < image->packets) return(False); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % P a c k b i t s E n c o d e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function PackbitsEncodeImage compresses an image via Macintosh pack bits % encoding. % % The format of the PackbitsEncodeImage routine is: % % status=PackbitsEncodeImage(image,scanline,packbits) % % A description of each parameter follows: % % o status: Function PackbitsEncodeImage returns True if all the pixels are % compressed without error, otherwise False. % % o image: The address of a structure of type Image. % % o scanline: A pointer to an array of characters to pack. % % o packbits: A pointer to an array of characters where the packed % characters are stored. % % */ unsigned int PackbitsEncodeImage(image,scanline,packbits) Image *image; unsigned char *scanline, *packbits; { #define MaxCount 128 #define MaxPackBitsRunlength 128 int count, number_packets, repeat_count, runlength; register int i; register unsigned char *p, *q; unsigned char index; unsigned int bytes_per_line; /* Pack scanline. */ bytes_per_line=image->columns; if (image->class == DirectClass) bytes_per_line*=3; count=0; runlength=0; p=scanline+(bytes_per_line-1); q=packbits; index=(*p); for (i=bytes_per_line-1; i >= 0; i--) { if (index == *p) runlength++; else { if (runlength < 3) while (runlength > 0) { *q++=index; runlength--; count++; if (count == MaxCount) { *q++=MaxCount-1; count-=MaxCount; } } else { if (count > 0) *q++=count-1; count=0; while (runlength > 0) { repeat_count=runlength; if (repeat_count > MaxPackBitsRunlength) repeat_count=MaxPackBitsRunlength; *q++=index; *q++=257-repeat_count; runlength-=repeat_count; } } runlength=1; } index=(*p); p--; } if (runlength < 3) while (runlength > 0) { *q++=index; runlength--; count++; if (count == MaxCount) { *q++=MaxCount-1; count-=MaxCount; } } else { if (count > 0) *q++=count-1; count=0; while (runlength > 0) { repeat_count=runlength; if (repeat_count > MaxPackBitsRunlength) repeat_count=MaxPackBitsRunlength; *q++=index; *q++=257-repeat_count; runlength-=repeat_count; } } if (count > 0) *q++=count-1; /* Write the number of and the packed packets. */ number_packets=q-packbits; if ((bytes_per_line-1) > 250) { MSBFirstWriteShort((unsigned short) number_packets,image->file); number_packets+=2; } else { index=number_packets; (void) fputc((char) index,image->file); number_packets++; } while (q != packbits) { q--; (void) fputc((char) *q,image->file); } return(number_packets); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % P C D D e c o d e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function PCDDecodeImage recovers the Huffman encoded luminance and % chrominance deltas. % % The format of the PCDDecodeImage routine is: % % status=PCDDecodeImage(image,luma,chroma1,chroma2) % % A description of each parameter follows: % % o status: Function PCDDecodeImage returns True if all the deltas are % recovered without error, otherwise False. % % o image: The address of a structure of type Image. % % o luma: The address of a character buffer that contains the % luminance information. % % o chroma1: The address of a character buffer that contains the % chrominance information. % % o chroma2: The address of a character buffer that contains the % chrominance information. % % % */ unsigned int PCDDecodeImage(image,luma,chroma1,chroma2) Image *image; unsigned char *luma, *chroma1, *chroma2; { #define IsSync ((accumulator & 0xffffff00) == 0xfffffe00) #define PCDGetBits(n) \ { \ accumulator=(accumulator << n) & 0xffffffff; \ bits-=n; \ while (bits <= 24) \ { \ if (p >= (buffer+0x800)) \ { \ (void) ReadData((char *) buffer,1,0x800,image->file); \ p=buffer; \ } \ accumulator|=((unsigned int) (*p) << (24-bits)); \ bits+=8; \ p++; \ } \ } typedef struct PCDTable { unsigned int length; unsigned long sequence; unsigned char key; unsigned long mask; } PCDTable; int count; PCDTable *pcd_table[3]; register int i, j; register PCDTable *r; register Quantum *range_limit; register unsigned char *p, *q; unsigned char *buffer; unsigned int accumulator, bits, length, pcd_length[3], plane, row; /* Initialize Huffman tables. */ buffer=(unsigned char *) malloc(0x800*sizeof(unsigned char)); if (buffer == (unsigned char *) NULL) { Warning("Memory allocation error",(char *) NULL); return(False); } (void) ReadData((char *) buffer,1,0x800,image->file); p=buffer; for (i=0; i < (image->columns > 1536 ? 3 : 1); i++) { length=(*p++)+1; pcd_table[i]=(PCDTable *) malloc(length*sizeof(PCDTable)); if (pcd_table[i] == (PCDTable *) NULL) { Warning("Memory allocation error",(char *) NULL); free((char *) buffer); return(False); } r=pcd_table[i]; for (j=0; j < length; j++) { r->length=(*p++)+1; r->sequence=(((unsigned int) *p++) << 24); r->sequence|=(((unsigned int) *p++) << 16); r->key=(*p++); r->mask=(~((((unsigned int) 1) << (32-r->length))-1)); r++; } pcd_length[i]=length; } /* Initialize range limits. */ range_limit=(Quantum *) malloc(3*(MaxRGB+1)*sizeof(Quantum)); if (range_limit == (Quantum *) NULL) { Warning("Memory allocation error",(char *) NULL); free((char *) buffer); return(False); } for (i=0; i <= MaxRGB; i++) { range_limit[i]=0; range_limit[i+(MaxRGB+1)]=(Quantum) i; range_limit[i+(MaxRGB+1)*2]=MaxRGB; } range_limit+=(MaxRGB+1); /* Search for Sync byte. */ accumulator=0; bits=32; PCDGetBits(16); PCDGetBits(16); while ((accumulator & 0x00fff000) != 0x00fff000) PCDGetBits(8); while (!IsSync) PCDGetBits(1); /* Recover the Huffman encoded luminance and chrominance deltas. */ for ( ; ; ) { if (IsSync) { /* Determine plane and row number. */ PCDGetBits(24); row=(accumulator >> 17) & 0x1fff; plane=accumulator >> 30; PCDGetBits(16); if (row >= image->rows) break; switch (plane) { case 0: { q=luma+row*image->columns; count=image->columns; break; } case 2: { q=chroma1+(row >> 1)*image->columns; count=image->columns >> 1; plane--; break; } case 3: { q=chroma2+(row >> 1)*image->columns; count=image->columns >> 1; plane--; break; } default: { Warning("Corrupt PCD image",image->filename); return(False); } } length=pcd_length[plane]; continue; } /* Decode luminance or chrominance deltas. */ r=pcd_table[plane]; for (i=0; ((i < length) && ((accumulator & r->mask) != r->sequence)); i++) r++; if (r == (PCDTable *) NULL) { Warning("Corrupt PCD image, skipping to sync byte",image->filename); while ((accumulator & 0x00fff000) != 0x00fff000) PCDGetBits(8); while (!IsSync) PCDGetBits(1); continue; } if (count >= 0) if (r->key < 128) *q++=range_limit[(int) *q+(int) r->key]; else *q++=range_limit[(int) *q+(int) r->key-256]; PCDGetBits(r->length); count--; } /* Free memory. */ for (i=0; i < (image->columns > 1536 ? 3 : 1); i++) free((char *) pcd_table[i]); range_limit-=(MaxRGB+1); free((char *) range_limit); free((char *) buffer); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % Q D e c o d e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function QDecodeImage uncompresses an image via Q-coding. % % The format of the QDecodeImage routine is: % % count=QDecodeImage(compressed_pixels,pixels,number_columns,number_rows) % % A description of each parameter follows: % % o count: The QDecodeImage routine returns this integer value. It is % the actual number of pixels created by the decompression process. % % o compressed_pixels: The address of a byte (8 bits) array of compressed % pixel data. % % o pixels: The address of a byte (8 bits) array of pixel data created by % the uncompression process. The number of bytes in this array % must be at least equal to the number columns times the number of rows % of the source pixels. % % o number_columns: An integer value that is the number of columns or % width in pixels of your source image. % % o number_rows: An integer value that is the number of rows or % heigth in pixels of your source image. % % */ unsigned int QDecodeImage(compressed_pixels,pixels,number_columns,number_rows) unsigned char *compressed_pixels, *pixels; unsigned int number_columns, number_rows; { int decision, i, prediction, row; register int column, magnitude, sign, state, value; register ScanlinePacket *cs, *ls; register unsigned char *p; ScanlinePacket *scanline; for (i=0; i < MaxContextStates; i++) { probability_estimate[i]=0; more_probable[i]=0; less_probable[i]=1; } /* Allocate scanline for row values and states */ scanline=(ScanlinePacket *) malloc((((number_columns+1) << 1)*sizeof(ScanlinePacket))); if (scanline == (ScanlinePacket *) NULL) { Warning("Unable to compress image, Unable to allocate memory", (char *) NULL); exit(1); } cs=scanline; for (i=0; i < ((number_columns+1) << 1); i++) { cs->pixel=0; cs->state=ZeroState; cs++; } interval=MinimumIntervalD; p=pixels; q=compressed_pixels+1; /* Add a new unsigned char of compressed data to the Code register. */ code=(int) (*q) << 16; if ((*q++) == 0xff) code+=((int) (*q) << 9)+0x02; else code+=((*q) << 8)+0x01; code<<=4; code+=(interval << 16); /* Decode each image scanline. */ for (row=0; row < number_rows; row++) { ls=scanline+(number_columns+1)*((row+0) % 2); cs=scanline+(number_columns+1)*((row+1) % 2); for (column=0; column < number_columns; column++) { prediction=(int) cs->pixel-(int) ls->pixel; ls++; prediction+=(int) ls->pixel; state=statistics[cs->state][ls->state]; cs++; cs->state=ZeroState; /* Branch for zero code value */ Decode(state,&decision); if (decision == No) value=0; else { /* Decode sign information */ state++; Decode(state,&decision); if (decision == Yes) sign=(-1); else { sign=1; state++; } state++; /* Branch for value=+-1 */ Decode(state,&decision); if (decision == No) value=1; else { /* Establish magnitude of value. */ magnitude=2; state=100; Decode(state,&decision); while (decision != No) { if (state < 107) state++; magnitude<<=1; Decode(state,&decision); } /* Code remaining bits. */ state+=7; value=1; magnitude>>=2; if (magnitude != 0) { Decode(state,&decision); state+=6; value=(value << 1) | decision; magnitude>>=1; while (magnitude != 0) { Decode(state,&decision); value=(value << 1) | decision; magnitude>>=1; } } value++; } if (value > LowerBound) if (value <= UpperBound) cs->state= (sign < ZeroState ? SmallPostitiveState : SmallNegativeState); else cs->state= (sign < ZeroState ? LargePostitiveState : LargeNegativeState); if (sign < 0) value=(-value); } cs->pixel=(unsigned char) (value+prediction); *p++=cs->pixel; } } free((char *) scanline); return((unsigned int) (p-pixels)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % Q E n c o d e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function QEncodeImage compresses an image via q-coding. QEncodeImage uses % a simple predictive method. The predictor combines three neighboring % samples (A, B, and C) to form a prediction of the sample X: % % C B % A X % % The prediction formula is A + B - C. The prediction is subtracted from % from the actual sample X and the difference is encoded by an arithmetic % entropy coding method. % % The format of the QEncodeImage routine is: % % count=QEncodeImage(pixels,compressed_pixels,number_columns,number_rows) % % A description of each parameter follows: % % o count: The QEncodeImage routine returns this integer value. It is % the actual number of compressed pixels created by the compression % process. % % o pixels: The address of a byte (8 bits) array of pixel data. % % o compressed_pixels: The address of a byte (8 bits) array of pixel data % created by the compression process. The number of bytes in this array % must be at least equal to the number columns times the number of rows % of the source pixels to allow for the possibility that no compression % is possible. The actual number of bytes used is reflected by the % count parameter. % % o number_columns: An integer value that is the number of columns or % width in pixels of your source image. % % o number_rows: An integer value that is the number of rows or % heigth in pixels of your source image. % % % */ unsigned int QEncodeImage(pixels,compressed_pixels,number_columns,number_rows) unsigned char *pixels, *compressed_pixels; unsigned int number_columns, number_rows; { int i, prediction, row; register int column, magnitude, sign, state, value; register ScanlinePacket *cs, *ls; register unsigned char *p; ScanlinePacket *scanline; void Flush(); for (i=0; i < MaxContextStates; i++) { probability_estimate[i]=0; more_probable[i]=0; } /* Allocate scanline for row values and states. */ scanline=(ScanlinePacket *) malloc(((number_columns+1) << 1)*sizeof(ScanlinePacket)); if (scanline == (ScanlinePacket *) NULL) { Warning("Unable to compress image, Unable to allocate memory", (char *) NULL); exit(1); } cs=scanline; for (i=0; i < ((number_columns+1) << 1); i++) { cs->pixel=0; cs->state=ZeroState; cs++; } interval=MinimumIntervalE; p=pixels; q=compressed_pixels; (*q)++; code=0x00180000; /* Encode each scanline. */ for (row=0; row < number_rows; row++) { ls=scanline+(number_columns+1)*((row+0) % 2); cs=scanline+(number_columns+1)*((row+1) % 2); for (column=0; column < number_columns; column++) { prediction=(int) cs->pixel-(int) ls->pixel; ls++; prediction+=(int) ls->pixel; state=statistics[cs->state][ls->state]; cs++; cs->pixel=(*p++); cs->state=ZeroState; value=(int) cs->pixel-prediction; Encode(state,(int) (value == 0 ? No : Yes)); if (value != 0) { /* Code sign information */ state++; sign=(value < 0 ? -1 : 1); Encode(state,(int) (sign >= 0 ? No : Yes)); if (sign < 0) value=(-value); else state++; state++; value--; /* Branch for code=+-1 */ Encode(state,(int) (value == 0 ? No : Yes)); if (value != 0) { /* Establish magnitude of value. */ state=100; magnitude=2; while (value >= magnitude) { Encode(state,Yes); if (state < 107) state++; magnitude<<=1; } Encode(state,No); /* Code remaining bits */ state+=7; magnitude>>=2; if (magnitude != 0) { Encode(state,(int) ((magnitude & value) == 0 ? No : Yes)); state+=6; magnitude>>=1; while (magnitude != 0) { Encode(state,(int) ((magnitude & value) == 0 ? No : Yes)); magnitude>>=1; } } } if (value >= LowerBound) if (value < UpperBound) cs->state= (sign < ZeroState ? SmallPostitiveState : SmallNegativeState); else cs->state= (sign < ZeroState ? LargePostitiveState : LargeNegativeState); } } } Flush(); free((char *) scanline); return((unsigned int) (q-compressed_pixels)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R u n l e n g t h D e c o d e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function RunlengthDecodeImage unpacks the packed image pixels into % runlength-encoded pixel packets. The packed image pixel memory is then % freed. % % The format of the RunlengthDecodeImage routine is: % % status=RunlengthDecodeImage(image) % % A description of each parameter follows: % % o status: Function RunlengthDecodeImage return True if the image is % decoded. False is returned if there is an error occurs. % % o image: The address of a structure of type Image. % % */ unsigned int RunlengthDecodeImage(image) Image *image; { register int i; register RunlengthPacket *q; register unsigned char *p; unsigned long count; unsigned short value; if (image->packed_pixels == (unsigned char *) NULL) return(True); /* Allocate pixels. */ if (image->pixels != (RunlengthPacket *) NULL) free((char *) image->pixels); image->pixels=(RunlengthPacket *) malloc((unsigned int) image->packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) { Warning("Unable to unpack pixels","Memory allocation failed"); return(False); } /* Unpack the packed image pixels into runlength-encoded pixel packets. */ p=image->packed_pixels; q=image->pixels; count=0; if (image->class == DirectClass) { if (image->compression == RunlengthEncodedCompression) for (i=0; i < image->packets; i++) { ReadQuantum(q->red,p); ReadQuantum(q->green,p); ReadQuantum(q->blue,p); q->index=(unsigned short) (image->matte ? (*p++) : 0); q->length=(*p++); count+=(q->length+1); q++; } else for (i=0; i < image->packets; i++) { ReadQuantum(q->red,p); ReadQuantum(q->green,p); ReadQuantum(q->blue,p); q->index=(unsigned short) (image->matte ? (*p++) : 0); q->length=0; count++; q++; } } else { register unsigned short index; if (image->compression == RunlengthEncodedCompression) { if (image->colors <= 256) for (i=0; i < image->packets; i++) { q->index=(unsigned short) (*p++); q->length=(*p++); count+=(q->length+1); q++; } else for (i=0; i < image->packets; i++) { index=(*p++) << 8; index|=(*p++); q->index=index; q->length=(*p++); count+=(q->length+1); q++; } } else if (image->colors <= 256) for (i=0; i < image->packets; i++) { q->index=(unsigned short) (*p++); q->length=0; count++; q++; } else for (i=0; i < image->packets; i++) { index=(*p++) << 8; index|=(*p++); q->index=index; q->length=0; count++; q++; } SyncImage(image); } /* Free packed pixels memory. */ free((char *) image->packed_pixels); image->packed_pixels=(unsigned char *) NULL; /* Guarentee the correct number of pixel packets. */ if (count > (image->columns*image->rows)) { Warning("insufficient image data in file",image->filename); return(False); } else if (count < (image->columns*image->rows)) { Warning("too much image data in file",image->filename); return(False); } return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R u n l e n g t h E n c o d e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function RunlengthEncodeImage packs the runlength-encoded pixel packets % into the minimum number of bytes. % % The format of the RunlengthEncodeImage routine is: % % status=RunlengthEncodeImage(image) % % A description of each parameter follows: % % o status: Function RunlengthEncodeImage return True if the image is % packed. False is returned if an error occurs. % % o image: The address of a structure of type Image. % % */ unsigned int RunlengthEncodeImage(image) Image *image; { #define SpecialRunlength 255 register int i, j; register RunlengthPacket *p; register unsigned char *q; unsigned long count, packets; unsigned short value; if (image == (Image *) NULL) return(False); if (image->pixels == (RunlengthPacket *) NULL) { Warning("Unable to pack pixels","no image pixels"); return(False); } if (image->compression == RunlengthEncodedCompression) { register RunlengthPacket *q; /* Compress image. */ p=image->pixels; for (i=0; i < image->packets; i++) { if (p->length > SpecialRunlength) { /* Uncompress image to allow in-place compression. */ if (!UncompressImage(image)) return(False); break; } p++; } p=image->pixels; image->runlength=p->length+1; image->packets=0; q=image->pixels; q->length=SpecialRunlength; if (image->matte) for (i=0; i < (image->columns*image->rows); i++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } if ((p->red == q->red) && (p->green == q->green) && (p->blue == q->blue) && (p->index == q->index) && (q->length < SpecialRunlength)) q->length++; else { if (image->packets != 0) q++; image->packets++; *q=(*p); q->length=0; } } else for (i=0; i < (image->columns*image->rows); i++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } if ((p->red == q->red) && (p->green == q->green) && (p->blue == q->blue) && (q->length < SpecialRunlength)) q->length++; else { if (image->packets != 0) q++; image->packets++; *q=(*p); q->length=0; } } image->pixels=(RunlengthPacket *) realloc((char *) image->pixels, image->packets*sizeof(RunlengthPacket)); /* Runlength-encode only if it consumes less memory than no compression. */ if (image->class == DirectClass) { if (image->packets >= ((image->columns*image->rows*3) >> 2)) image->compression=NoCompression; } else if (image->packets >= ((image->columns*image->rows) >> 1)) image->compression=NoCompression; } /* Determine packed packet size. */ if (image->class == PseudoClass) { image->packet_size=1; if (image->colors > 256) image->packet_size++; } else { image->packet_size=3*(image->depth >> 3); if (image->matte) image->packet_size++; } if (image->compression == RunlengthEncodedCompression) image->packet_size++; /* Allocate packed pixel memory. */ if (image->packed_pixels != (unsigned char *) NULL) free((char *) image->packed_pixels); packets=image->packets; if (image->compression != RunlengthEncodedCompression) packets=image->columns*image->rows; image->packed_pixels=(unsigned char *) malloc((unsigned int) packets*image->packet_size*sizeof(unsigned char)); if (image->packed_pixels == (unsigned char *) NULL) { Warning("Unable to pack pixels","Memory allocation failed"); return(False); } /* Packs the runlength-encoded pixel packets into the minimum number of bytes. */ p=image->pixels; q=image->packed_pixels; count=0; if (image->class == DirectClass) { if (image->compression == RunlengthEncodedCompression) for (i=0; i < image->packets; i++) { WriteQuantum(p->red,q); WriteQuantum(p->green,q); WriteQuantum(p->blue,q); if (image->matte) *q++=(unsigned char) p->index; *q++=p->length; count+=(p->length+1); p++; } else for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { WriteQuantum(p->red,q); WriteQuantum(p->green,q); WriteQuantum(p->blue,q); if (image->matte) *q++=(unsigned char) p->index; } count+=(p->length+1); p++; } } else if (image->compression == RunlengthEncodedCompression) { if (image->colors <= 256) for (i=0; i < image->packets; i++) { *q++=(unsigned char) p->index; *q++=p->length; count+=(p->length+1); p++; } else for (i=0; i < image->packets; i++) { *q++=p->index >> 8; *q++=(unsigned char) p->index; *q++=p->length; count+=(p->length+1); p++; } } else if (image->colors <= 256) for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) *q++=p->index; count+=(p->length+1); p++; } else { register unsigned char xff00, xff; for (i=0; i < image->packets; i++) { xff00=p->index >> 8; xff=p->index; for (j=0; j <= ((int) p->length); j++) { *q++=xff00; *q++=xff; } count+=(p->length+1); p++; } } image->packets=packets; /* Guarentee the correct number of pixel packets. */ if (count < (image->columns*image->rows)) { Warning("insufficient image data in",image->filename); return(False); } else if (count > (image->columns*image->rows)) { Warning("too much image data in",image->filename); return(False); } return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S U N D e c o d e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function SUNDecodeImage unpacks the packed image pixels into % runlength-encoded pixel packets. % % The format of the SUNDecodeImage routine is: % % status=SUNDecodeImage(compressed_pixels,pixels,number_columns, % number_rows) % % A description of each parameter follows: % % o status: Function SUNDecodeImage returns True if all the pixels are % uncompressed without error, otherwise False. % % o compressed_pixels: The address of a byte (8 bits) array of compressed % pixel data. % % o pixels: The address of a byte (8 bits) array of pixel data created by % the uncompression process. The number of bytes in this array % must be at least equal to the number columns times the number of rows % of the source pixels. % % o number_columns: An integer value that is the number of columns or % width in pixels of your source image. % % o number_rows: An integer value that is the number of rows or % heigth in pixels of your source image. % % */ unsigned int SUNDecodeImage(compressed_pixels,pixels,number_columns,number_rows) unsigned char *compressed_pixels, *pixels; unsigned int number_columns, number_rows; { register int count; register unsigned char *p, *q; unsigned char byte; p=compressed_pixels; q=pixels; while ((q-pixels) <= (number_columns*number_rows)) { byte=(*p++); if (byte != 128) *q++=byte; else { /* Runlength-encoded packet: */ count=(*p++); if (count > 0) byte=(*p++); while (count >= 0) { *q++=byte; count--; } } } return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % U p s a m p l e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function Upsample creates a new image that is a integral size greater % than an existing one. % % The format of the Upsample routine is: % % Upsample(width,height,scaled_width,pixels) % % A description of each parameter follows: % % o width: An unsigned integer representing the number of columns % of pixels in the image. % % o height: An unsigned integer representing the number of rows % of pixels in the image. % % o scaled_width: An unsigned integer representing the integral size % to enlarge the image. % % o pixels: An array of unsigned characters. This array contains the % pixels to enlarge. % % */ void Upsample(width,height,scaled_width,pixels) unsigned int width, height, scaled_width; unsigned char *pixels; { register int x, y; register unsigned char *p, *q, *r; for (y=0; y < height; y++) { p=pixels+(height-1-y)*scaled_width+(width-1); q=pixels+((height-1-y) << 1)*scaled_width+((width-1) << 1); *q=(*p); *(q+1)=(*(p)); for (x=1; x < width; x++) { p--; q-=2; *q=(*p); *(q+1)=(((int) *p)+((int) *(p+1))+1) >> 1; } } for (y=0; y < (height-1); y++) { p=pixels+(y << 1)*scaled_width; q=p+scaled_width; r=q+scaled_width; for (x=0; x < (width-1); x++) { *q=(((int) *p)+((int) *r)+1) >> 1; *(q+1)=(((int) *p)+((int) *(p+2))+((int) *r)+((int) *(r+2))+2) >> 2; q+=2; p+=2; r+=2; } *q++=(((int) *p++)+((int) *r++)+1) >> 1; *q++=(((int) *p++)+((int) *r++)+1) >> 1; } p=pixels+(2*height-2)*scaled_width; q=pixels+(2*height-1)*scaled_width; for (x=0; x < width; x++) { *q++=(*p++); *q++=(*p++); } } ge->pixels; image->runlength=p->length+1; image->packets=0; q=image->pixels; q->length=SpecialRunlength; if (image->matte) for (i=0; i < (image->columns*image->rows); i++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } if ((p->red == q->red) && (p->green == q->green) && ./ImageMagick/magick/Imakefile010064400000240000024000000060600577063521600173500ustar00cristycristy00002330000007#ifndef XCOMM #define XCOMM # #endif XCOMM XCOMM Imakefile for display, animate, montage, and import. XCOMM XCOMM Copyright 1995 E. I. du Pont de Nemours & Company XCOMM XCOMM Permission to use, copy, modify, distribute, and sell this software and XCOMM its documentation for any purpose is hereby granted without fee, XCOMM provided that the above Copyright notice appear in all copies and that XCOMM both that Copyright notice and this permission notice appear in XCOMM supporting documentation, and that the name of E. I. du Pont de Nemours XCOMM & Company not be used in advertising or publicity pertaining to XCOMM distribution of the software without specific, written prior XCOMM permission. E. I. du Pont de Nemours & Company makes no representations XCOMM about the suitability of this software for any purpose. It is provided XCOMM "as is" without express or implied warranty. XCOMM XCOMM E. I. du Pont de Nemours & Company disclaims all warranties with regard XCOMM to this software, including all implied warranties of merchantability XCOMM and fitness, in no event shall E. I. du Pont de Nemours & Company be XCOMM liable for any special, indirect or consequential damages or any XCOMM damages whatsoever resulting from loss of use, data or profits, whether XCOMM in an action of contract, negligence or other tortious action, arising XCOMM out of or in connection with the use or performance of this software. XCOMM #include "../Magick.tmpl" #ifdef SGIArchitecture #undef DoSharedLib #endif #ifdef RsArchitecture REQUIREDLIBS= $(HDF_LIBRARIES) $(JBIG_LIBRARIES) $(JPEG_LIBRARIES) \ $(MPEG_LIBRARIES) $(PNG_LIBRARIES) $(TIFF_LIBRARIES) $(XPM_LIBRARIES) \ -lisode -lXext -lX11 #endif #ifdef AlphaArchitecture SO_REQLIBS= -lX11 -lc #endif HEADERS = magick.h image.h compress.h utility.h X.h widget.h PreRvIcccm.h SRCS = widget.c X.c image.c shear.c segment.c quantize.c colors.c signature.c \ decode.c encode.c compress.c utility.c error.c PreRvIcccm.c OBJS = widget.o X.o image.o shear.o segment.o quantize.o colors.o signature.o \ decode.o encode.o compress.o utility.o error.o PreRvIcccm.o #ifndef DoNormalLib #define DoNormalLib YES #endif #define IncSubdir magick SOMAGICKLIBREV= 3.6 #if (ProjectX < 5) STD_DEFINES = LibraryDefines CDEBUGFLAGS = LibraryCDebugFlags #if DoSharedLib SharedLibraryObjectRule() NormalSharedLibraryTarget(Magick,$(SOMAGICKLIBREV),$(OBJS)) InstallSharedLibrary(Magick,$(SOMAGICKLIBREV),$(LOCALLIB)) #else NormalLibraryObjectRule() NormalLibraryTarget(Magick,$(OBJS)) InstallLibrary(Magick,$(LOCALLIB)) #endif #else #define LibName Magick #define SoRev SOMAGICKLIBREV #include #if (ProjectX == 5) LibraryObjectRule() #if DoSharedLib SharedLibraryTarget(Magick,$(SOMAGICKLIBREV),$(OBJS),shared,..) InstallSharedLibrary(Magick,$(SOMAGICKLIBREV),$(LOCALLIB)) #ifndef RsArchitecture NormalLibraryTarget(Magick,$(OBJS)) InstallLibrary(Magick,$(LOCALLIB)) #endif #else NormalLibraryTarget(Magick,$(OBJS)) InstallLibrary(Magick,$(LOCALLIB)) #endif #endif #endif InstallMultiple($(HEADERS),$(LOCALINC)) DependTarget() ./ImageMagick/magick/utility.h010064400000240000024000000044170602164600400174020ustar00cristycristy00002330000007#ifndef vms #ifndef NoDIRENT #include #else #include #ifndef dirent #define dirent direct #endif #endif #include #else #include "vms.h" #endif #ifndef S_ISDIR #define S_ISDIR(mode) (((mode) & S_IFMT) == S_IFDIR) #endif /* Utility define declarations. */ #ifndef vms #define IsGlob(text) \ ((strchr(text,'*') != (char *) NULL) || \ (strchr(text,'?') != (char *) NULL) || \ (strchr(text,'{') != (char *) NULL) || \ (strchr(text,'}') != (char *) NULL) || \ (strchr(text,'[') != (char *) NULL) || \ (strchr(text,']') != (char *) NULL)) #define BasenameSeparator "/" #define DirectorySeparator "/" #define SystemCommand(command) system(command) #define TemporaryDirectory "/tmp" #define TemporaryTemplate "%s/magickXXXXXX" #else #define IsGlob(text) \ ((strchr(text,'*') != (char *) NULL) || \ (strchr(text,'?') != (char *) NULL) || \ (strchr(text,'{') != (char *) NULL) || \ (strchr(text,'}') != (char *) NULL)) #define BasenameSeparator "]" #define DirectorySeparator "" #define SystemCommand(command) (!system(command)) #define TemporaryDirectory "SYS$Disk:[]" #define TemporaryTemplate "%smagickXXXXXX." #endif /* Utilities routines. */ extern char *ClientName _Declare((char *)), **ListColors _Declare((char *,int *)), **ListFiles _Declare((char *,char *,int *)), *PostscriptGeometry _Declare((char *)), **StringToList _Declare((char *)); extern int GlobExpression _Declare((char *,char *)), ReadDataBlock _Declare((char *,FILE *)); extern unsigned int ReadData _Declare((char *,unsigned int,unsigned int,FILE *)); extern unsigned long LSBFirstReadLong _Declare((FILE *)), MSBFirstReadLong _Declare((FILE *)); extern unsigned short LSBFirstReadShort _Declare((FILE *)), MSBFirstReadShort _Declare((FILE *)); extern void AppendImageFormat _Declare((char *,char *)), ExpandFilename _Declare((char *)), ExpandFilenames _Declare((int *,char ***)), LSBFirstWriteLong _Declare((unsigned long,FILE *)), LSBFirstWriteShort _Declare((unsigned int,FILE *)), MSBFirstOrderLong _Declare((char *,unsigned int)), MSBFirstOrderShort _Declare((char *,unsigned int)), MSBFirstWriteLong _Declare((unsigned long,FILE *)), MSBFirstWriteShort _Declare((unsigned int,FILE *)), TemporaryFilename _Declare((char *)); ./ImageMagick/magick/PreRvIcccm.c010064400000240000024000000162230602164600300176640ustar00cristycristy00002330000007#include "magick.h" #include "image.h" #include "X.h" #ifdef PRE_R6_ICCCM /* Compatibility routines for pre X11R6 ICCCM. */ Status XInitImage(ximage) XImage *ximage; { Display display; ScreenFormat screen_format; XImage *created_ximage, target_ximage; /* Initialize the X image. */ screen_format.depth=ximage->depth; screen_format.bits_per_pixel=(int) ximage->bits_per_pixel; display.byte_order=ximage->byte_order; display.bitmap_unit=ximage->bitmap_unit; display.bitmap_bit_order=ximage->bitmap_bit_order; display.pixmap_format=(&screen_format); display.nformats=1; created_ximage=XCreateImage(&display,(Visual *) NULL,ximage->depth, ximage->format,ximage->xoffset,(char *) NULL,ximage->width,ximage->height, ximage->bitmap_pad,ximage->bytes_per_line); if (created_ximage == (XImage *) NULL) return(0); target_ximage=(*ximage); *ximage=(*created_ximage); created_ximage->data=(char *) NULL; XDestroyImage(created_ximage); ximage->red_mask=target_ximage.red_mask; ximage->green_mask=target_ximage.green_mask; ximage->blue_mask=target_ximage.blue_mask; return(1); } #endif #ifdef PRE_R5_ICCCM /* Compatibility routines for pre X11R5 ICCCM. */ void XrmCombineDatabase(source,target,override) XrmDatabase source, *target; Bool override; { XrmMergeDatabases(source,target); } Status XrmCombineFileDatabase(filename,target,override) const char *filename; XrmDatabase *target; Bool override; { XrmDatabase *combined_database, source; source=XrmGetFileDatabase(filename); if (!override) XrmMergeDatabases(source,target); return(1); } XrmDatabase XrmGetDatabase(display) Display *display; { return(display->db); } #endif #ifdef PRE_R4_ICCCM /* Compatibility routines for pre X11R4 ICCCM. */ XClassHint *XAllocClassHint() { return((XClassHint *) malloc(sizeof(XClassHint))); } XIconSize *XAllocIconSize() { return((XIconSize *) malloc(sizeof(XIconSize))); } XSizeHints *XAllocSizeHints() { return((XSizeHints *) malloc(sizeof(XSizeHints))); } Status XReconfigureWMWindow(display,window,screen_number,value_mask,values) Display *display; Window window; int screen_number; unsigned int value_mask; XWindowChanges *values; { return(XConfigureWindow(display,window,value_mask,values)); } XStandardColormap *XAllocStandardColormap() { return((XStandardColormap *) malloc(sizeof(XStandardColormap))); } XWMHints *XAllocWMHints() { return((XWMHints *) malloc(sizeof(XWMHints))); } Status XGetGCValues(display,gc,mask,values) Display *display; GC gc; unsigned long mask; XGCValues *values; { return(True); } Status XGetRGBColormaps(display,window,colormap,count,property) Display *display; Window window; XStandardColormap **colormap; int *count; Atom property; { *count=1; return(XGetStandardColormap(display,window,colormap,property)); } Status XGetWMColormapWindows(display,window,colormap_windows,number_windows) Display *display; Window window, **colormap_windows; int *number_windows; { Atom actual_type, *data, property; int actual_format, status; unsigned long leftover, number_items; property=XInternAtom(display,"WM_COLORMAP_WINDOWS",False); if (property == None) return(False); /* Get the window property. */ *data=(Atom) NULL; status=XGetWindowProperty(display,window,property,0L,1000000L,False, XA_WINDOW,&actual_type,&actual_format,&number_items,&leftover, (unsigned char **) &data); if (status != Success) return(False); if ((actual_type != XA_WINDOW) || (actual_format != 32)) { if (data != (Atom *) NULL) XFree((char *) data); return(False); } *colormap_windows=(Window *) data; *number_windows=(int) number_items; return(True); } Status XGetWMName(display,window,text_property) Display *display; Window window; XTextProperty *text_property; { char *window_name; if (XFetchName(display,window,&window_name) == 0) return(False); text_property->value=(unsigned char *) window_name; text_property->encoding=XA_STRING; text_property->format=8; text_property->nitems=strlen(window_name); return(True); } char *XResourceManagerString(display) Display *display; { return display->xdefaults; } void XrmDestroyDatabase(database) XrmDatabase database; { } void XSetWMName(display,window,property) Display *display; Window window; XTextProperty *property; { XStoreName(display,window,property->value); } int XStringListToTextProperty(argv,argc,property) char **argv; int argc; XTextProperty *property; { register int i; register unsigned int number_bytes; XTextProperty protocol; number_bytes=0; for (i=0; i < argc; i++) number_bytes+=(unsigned int) ((argv[i] ? strlen(argv[i]) : 0)+1); protocol.encoding=XA_STRING; protocol.format=8; protocol.nitems=0; if (number_bytes) protocol.nitems=number_bytes-1; protocol.value=NULL; if (number_bytes <= 0) { protocol.value=(unsigned char *) malloc(sizeof(char)); if (!protocol.value) return(False); *protocol.value='\0'; } else { register char *buffer; buffer=(char *) malloc(number_bytes*sizeof(char)); if (buffer == (char *) NULL) return(False); protocol.value=(unsigned char *) buffer; for (i=0; i < argc; i++) { char *argument; argument=argv[i]; if (!argument) *buffer++='\0'; else { (void) strcpy(buffer,argument); buffer+=(strlen(argument)+1); } } } *property=protocol; return(True); } void XSetWMProperties(display,window,window_name,icon_name,argv,argc, size_hints,manager_hints,class_hint) Display *display; Window window; XTextProperty *window_name, *icon_name; char **argv; int argc; XSizeHints *size_hints; XWMHints *manager_hints; XClassHint *class_hint; { XSetStandardProperties(display,window,window_name->value,icon_name,None, argv,argc,size_hints); XSetWMHints(display,window,manager_hints); XSetClassHint(display,window,class_hint); } Status XSetWMProtocols(display,window,protocols,count) Display *display; Window window; Atom *protocols; int count; { Atom wm_protocols; wm_protocols=XInternAtom(display,"WM_PROTOCOLS",False); XChangeProperty(display,window,wm_protocols,XA_ATOM,32,PropModeReplace, (unsigned char *) protocols, count); return(True); } VisualID XVisualIDFromVisual(visual) Visual *visual; { return(visual->visualid); } Status XWithdrawWindow(display,window,screen) Display *display; Window window; int screen; { return(XUnmapWindow(display,window)); } int XWMGeometry(display,screen,user_geometry,default_geometry,border_width, size_hints,x,y,width,height,gravity) Display *display; int screen; char *user_geometry, *default_geometry; unsigned int border_width; XSizeHints *size_hints; int *x, *y, *width, *height, *gravity; { int status; status=XGeometry(display,screen,user_geometry,default_geometry,border_width, 0,0,0,0,x,y,width,height); *gravity=NorthWestGravity; return(status); } #endif ./ImageMagick/magick/widget.h010064400000240000024000000025100602164600400171520ustar00cristycristy00002330000007 /* Define declarations. */ #define BorderOffset 4 #define DoubleClick 250 /* Typedef declarations. */ typedef struct _XWidgetInfo { int id; unsigned int bevel_width, width, height; int x, y, min_y, max_y; unsigned int raised, active, center, trough, highlight; char *text, *cursor, *marker; } XWidgetInfo; /* X utilities routines. */ extern int XCommandWidget _Declare((Display *,XWindows *,char **,XEvent *)), XMenuWidget _Declare((Display *,XWindows *,char *,char **,char *)); extern unsigned int XConfirmWidget _Declare((Display *,XWindows *,char *,char *)), XPreferencesWidget _Declare((Display *,XResourceInfo *,XWindows *)); extern void XColorBrowserWidget _Declare((Display *,XWindows *,char *,char *)), XDialogWidget _Declare((Display *,XWindows *,char *,char *, char *)), XFileBrowserWidget _Declare((Display *,XWindows *,char *,char *)), XFontBrowserWidget _Declare((Display *,XWindows *,char *,char *)), XInfoWidget _Declare((Display *,XWindows *,char *)), XListBrowserWidget _Declare((Display *,XWindows *,XWindowInfo *,char **, char *,char *,char *)), XNoticeWidget _Declare((Display *,XWindows *,char *,char *)), XTextViewWidget _Declare((Display *,XResourceInfo *,XWindows *,unsigned int, char *,char **)); ./ImageMagick/magick/PreRvIcccm.h010064400000240000024000000032760602164600300176750ustar00cristycristy00002330000007#ifdef PRE_R6_ICCCM /* Compatability defines for pre X11R6 ICCCM. */ #define XK_KP_Home 0xFF95 #define XK_KP_Left 0xFF96 #define XK_KP_Up 0xFF97 #define XK_KP_Right 0xFF98 #define XK_KP_Down 0xFF99 #define XK_KP_Prior 0xFF9A #define XK_KP_Page_Up 0xFF9A #define XK_KP_Next 0xFF9B #define XK_KP_Page_Down 0xFF9B #define XK_KP_End 0xFF9C extern Status XInitImage(); #endif #ifdef PRE_R5_ICCCM /* Compatability defines for pre X11R5 ICCCM. */ extern XrmDatabase XrmGetDatabase(); #endif #ifdef PRE_R4_ICCCM /* Compatability defines for pre X11R4 ICCCM. */ #ifdef vms #define XMaxRequestSize(display) 16384 #endif #define WithdrawnState 0 #define XInductColormap(display,colormap) XInstallColormap(display,colormap) #define XUninductColormap(display,colormap) XUninstallColormap(display,colormap) typedef struct _XTextProperty { unsigned char *value; Atom encoding; int format; unsigned long nitems; } XTextProperty; /* Pre R4 ICCCM compatibility routines. */ char *XResourceManagerString(); extern int XWMGeometry(); extern Status XGetRGBColormaps(), XGetWMName(), XReconfigureWMWindow(), XSetWMProtocols(), XWithdrawWindow(); extern XClassHint *XAllocClassHint(); extern XIconSize *XAllocIconSize(); extern XSizeHints *XAllocSizeHints(); extern XStandardColormap *XAllocStandardColormap(); extern XWMHints *XAllocWMHints(); extern VisualID XVisualIDFromVisual(); extern void XrmDestroyDatabase(), XSetWMProperties(); #else #define XInductColormap(display,colormap) #define XUninductColormap(display,colormap) #endif efine XMaxRequestSize(display) 16384 #endif #define WithdrawnState 0 #define XInductColormap(display,colormap) XInstallColormap(display,colormap) #define XUninductColormap(display,colormap) XUninstallColormap(display,colormap) typedef struct _XTextProperty { unsigned char *value; Atom encoding; int ./ImageMagick/magick/X.h010064400000240000024000000231720602616706300161150ustar00cristycristy00002330000007#undef False #undef True #define XLIB_ILLEGAL_ACCESS 1 #include #include #include #include #include #include #include #include #ifdef HasShape #include #endif #ifdef HasSharedMemory #include #include #include #endif #undef index #if defined(_AIX) || defined(__hpux) #define XFD_SET int #else #define XFD_SET fd_set #endif /* Default colors declarations. */ #define BackgroundColor "#ccc" /* gray */ #define BorderColor "#000" /* black */ #define ForegroundColor "#000" /* black */ #define MatteColor "#ccc" /* gray */ #define Pen0Color "#000" /* black */ #define Pen1Color "#000" /* black */ #define Pen2Color "#00f" /* blue */ #define Pen3Color "#0ff" /* cyan */ #define Pen4Color "#0f0" /* green */ #define Pen5Color "#ccc" /* gray */ #define Pen6Color "#f00" /* red */ #define Pen7Color "#f0f" /* magenta */ #define Pen8Color "#ff0" /* yellow */ #define Pen9Color "#ccc" /* gray */ /* Colormap declarations. */ #define UndefinedColormap 0 #define PrivateColormap 1 #define SharedColormap 2 /* Drawing primitives. */ #define LinePrimitive 0 #define RectanglePrimitive 1 #define FillRectanglePrimitive 2 /* Define declarations. */ #define DefaultTileBackground "#697B8F" #define DefaultTileBorder "#000" #define DefaultTileBorderwidth "10" #define DefaultTileForeground "#600" #define DefaultTileMatte "#ccc" #define DefaultTileGeometry "120x120+20+10" #define MaxNumberFonts 10 #define MaxNumberPens 10 #define SuspendTime 50 #define XStandardPixel(map,color,dx) (unsigned long) (map->base_pixel+\ (((color).red*map->red_max+(1 << (dx-1)))/((1 << dx)-1))*map->red_mult+\ (((color).green*map->green_max+(1 << (dx-1)))/((1 << dx)-1))*map->green_mult+\ (((color).blue*map->blue_max+(1 << (dx-1)))/((1 << dx)-1))*map->blue_mult) /* Typedef declarations. */ typedef struct _DiversityPacket { Quantum red, green, blue; unsigned short index; unsigned long count; } DiversityPacket; typedef struct _XAnnotateInfo { int x, y; unsigned int width, height; double degrees; XFontStruct *font_info; char *text, geometry[MaxTextLength]; struct _XAnnotateInfo *previous, *next; } XAnnotateInfo; typedef struct _XDrawInfo { int x, y; unsigned int width, height, primitive; XSegment line_info; RectangleInfo rectangle_info; unsigned int line_width; double degrees; char geometry[MaxTextLength]; } XDrawInfo; typedef struct _XMontageInfo { unsigned int number_tiles, frame, shadow, compose; char *tile, *texture; } XMontageInfo; typedef struct _XPixelInfo { unsigned int colors; unsigned long *pixels; XColor foreground_color, background_color, border_color, matte_color, highlight_color, shadow_color, depth_color, trough_color, pen_color[MaxNumberPens], annotate_color; unsigned short background_index, annotate_index; GC annotate_context, highlight_context, widget_context; } XPixelInfo; typedef struct _XResourceInfo { XrmDatabase resource_database; ImageInfo *image_info; unsigned int backdrop; char *background_color, *border_color; unsigned int border_width, colormap, color_recovery, colorspace, confirm_exit, debug, delay, dither; char *editor_command, *font, *font_name[MaxNumberFonts], *foreground_color; int gravity; char home_directory[MaxTextLength], *icon_geometry; unsigned int iconic, immutable; char *image_geometry; unsigned int magnify; char *map_type, *matte_color; unsigned int monochrome; char *name; unsigned int number_colors; char *pen_color[MaxNumberPens], *print_command; int quantum; char *server_name, *text_font, *title; unsigned int tree_depth, update, use_pixmap, use_shared_memory; char *visual_type, *window_group, *window_id, *write_filename; } XResourceInfo; typedef struct _XWindowInfo { Window id; int screen; Window root; Visual *visual; int class, depth; XVisualInfo *visual_info; XStandardColormap *map_info; XPixelInfo *pixel_info; XFontStruct *font_info; GC annotate_context, highlight_context, widget_context; Cursor cursor, busy_cursor; char *name, *geometry, *icon_name, *icon_geometry, *crop_geometry; unsigned int data; unsigned long flags; int x, y; unsigned int width, height, min_width, min_height, width_inc, height_inc, border_width, immutable; XImage *ximage, *matte_image; Pixmap highlight_stipple, shadow_stipple, pixmap, matte_pixmap, *pixmaps; int mask; XSetWindowAttributes attributes; XWindowChanges window_changes; int shared_memory; #ifdef HasSharedMemory XShmSegmentInfo segment_info[4]; #endif unsigned int orphan, mapped, stasis; } XWindowInfo; typedef struct _XWindows { XWindowInfo context, group_leader, backdrop, icon, image, info, magnify, pan, command, widget, popup; Atom wm_protocols, wm_delete_window, wm_take_focus, im_protocols, im_update_widget, im_update_colormap, im_former_image, im_retain_colors, im_next_image, im_exit; } XWindows; /* X utilities routines. */ extern char *XGetResourceClass _Declare((XrmDatabase,char *,char *,char *)), *XGetResourceInstance _Declare((XrmDatabase,char *,char *,char *)), *XVisualClassName _Declare((int)); extern Cursor XMakeCursor _Declare((Display *,Window,Colormap,char *,char *)); extern Image *XMontageImage _Declare((Image **,XResourceInfo *,XMontageInfo *,char *)), *ReadXImage _Declare((ImageInfo *,unsigned int,unsigned int,unsigned int, unsigned int)), *XGetWindowImage _Declare((Display *,Window,unsigned int,unsigned int)); extern int Latin1Compare _Declare((char *,char *)), XError _Declare((Display *,XErrorEvent *)); extern unsigned int IsTrue _Declare((char *)), XAnnotateImage _Declare((Display *,XPixelInfo *,XAnnotateInfo *,unsigned int, Image *)), XDrawImage _Declare((Display *,XPixelInfo *,XDrawInfo *,Image *)), XGetWindowColor _Declare((Display *,char *)), XMakeImage _Declare((Display *,XResourceInfo *,XWindowInfo *,Image *, unsigned int,unsigned int)), XMakePixmap _Declare((Display *,XResourceInfo *,XWindowInfo *)), XQueryColorDatabase _Declare((char *,XColor *)); extern void XBestIconSize _Declare((Display *,XWindowInfo *,Image *)), XBestPixel _Declare((Display *,Colormap,XColor *,unsigned int,XColor *)), XCheckRefreshWindows _Declare((Display *,XWindows *)), XClientMessage _Declare((Display *,Window,Atom,Atom,Time)), XConstrainWindowPosition _Declare((Display *,XWindowInfo *)), XDelay _Declare((Display *,unsigned long)), XDestroyWindowColors _Declare((Display *,Window)), XDisplayImageInfo _Declare((Display *,XResourceInfo *,XWindows *,Image *)), XFreeResources _Declare((Display *,XVisualInfo *,XStandardColormap *, XPixelInfo *,XFontStruct *,XResourceInfo *,XWindowInfo *)), XFreeStandardColormap _Declare((Display *,XVisualInfo *,XStandardColormap *, XPixelInfo *)), XGetAnnotateInfo _Declare((XAnnotateInfo *)), XGetMapInfo _Declare((XVisualInfo *,Colormap,XStandardColormap *)), XGetMontageInfo _Declare((XMontageInfo *)), XGetPixelInfo _Declare((Display *,XVisualInfo *,XStandardColormap *, XResourceInfo *,Image *,XPixelInfo *)), XGetResourceInfo _Declare((XrmDatabase,char *,XResourceInfo *)), XGetWindowInfo _Declare((Display *,XVisualInfo *,XStandardColormap *, XPixelInfo *,XFontStruct *,XResourceInfo *,XWindowInfo *)), XHighlightLine _Declare((Display *,Window,GC,XSegment *)), XHighlightRegion _Declare((Display *,Window,GC,RectangleInfo *)), XMakeMagnifyImage _Declare((Display *,XWindows *)), XMakeStandardColormap _Declare((Display *,XVisualInfo *,XResourceInfo *, Image *,XStandardColormap *,XPixelInfo *)), XMakeWindow _Declare((Display *,Window,char **,int,XClassHint *,XWMHints *, XWindowInfo *)), XQueryPosition _Declare((Display *,Window,int *,int *)), XRetainWindowColors _Declare((Display *,Window)), XRefreshWindow _Declare((Display *,XWindowInfo *,XEvent *)), XSetCursorState _Declare((Display *,XWindows *,unsigned int)); extern Window XClientWindow _Declare((Display *,Window)), XGetSubwindow _Declare((Display *,Window,int,int)), XSelectWindow _Declare((Display *,RectangleInfo *)), XWindowByID _Declare((Display *,Window,unsigned long)), XWindowByName _Declare((Display *,Window,char *)); extern XFontStruct *XBestFont _Declare((Display *,XResourceInfo *,unsigned int)); extern XrmDatabase XGetResourceDatabase _Declare((Display *,char *)); extern XVisualInfo *XBestVisualInfo _Declare((Display *,XStandardColormap *,XResourceInfo *)); /* Variable declarations */ extern char *client_name; /* Invoke pre-X11R6 ICCCM routines if XlibSpecificationRelease is not 6. */ #if XlibSpecificationRelease < 6 #define PRE_R6_ICCCM #endif /* Invoke pre-X11R5 ICCCM routines if XlibSpecificationRelease is not defined. */ #ifndef XlibSpecificationRelease #define PRE_R5_ICCCM #endif /* Invoke pre-X11R4 ICCCM routines if PWinGravity is not defined. */ #ifndef PWinGravity #define PRE_R4_ICCCM #endif #include "PreRvIcccm.h" efine UndefinedColormap 0 #define PrivateColormap 1 #define SharedColormap 2 /* Drawing primitives. */ #define LinePrimitive 0 #define RectanglePrimitive 1 #define FillRectanglePrimitive 2 /* Define declarations. */ #define DefaultTileBackground "#697B8F" #define DefaultTileBorder "#000" #define DefaultTileBorderwidth "10" #define DefaultTileForeground "#600" #define Defaul./ImageMagick/magick/image.h010064400000240000024000000175270602341474600167770ustar00cristycristy00002330000007/* Image define declarations. */ #define AbsoluteValue(x) ((x) < 0 ? -(x) : (x)) #define DegreesToRadians(x) ((x)*M_PI/180.0) #define DefaultFont "Helvetica" #define DefaultPointSize 16 #define Intensity(color) \ ((unsigned int) ((color).red*77+(color).green*150+(color).blue*29) >> 8) #define MaxColormapSize 65535 #define MaxTextLength 2048 #define Opaque 255 #define RadiansToDegrees(x) ((x)*180/M_PI) #define ReadQuantum(quantum,p) \ { \ if (image->depth == 8) \ quantum=UpScale(*p++); \ else \ { \ value=(*p++) << 8; \ value|=(*p++); \ quantum=value >> (image->depth-QuantumDepth); \ } \ } #define ReadQuantumFile(quantum) \ { \ if (image->depth == 8) \ quantum=UpScale(fgetc(image->file)); \ else \ quantum=MSBFirstReadShort(image->file) >> (image->depth-QuantumDepth); \ } #define SharpenFactor 50.0 #define Transparent 0 #define WriteQuantum(quantum,q) \ { \ if (image->depth == 8) \ *q++=DownScale(quantum); \ else \ { \ value=(quantum); \ if ((QuantumDepth-image->depth) > 0) \ value*=257; \ *q++=value >> 8; \ *q++=value; \ } \ } #define WriteQuantumFile(quantum) \ { \ if (image->depth == 8) \ (void) fputc(DownScale(quantum),image->file); \ else \ if ((QuantumDepth-image->depth) > 0) \ MSBFirstWriteShort((quantum)*257,image->file); \ else \ MSBFirstWriteShort(quantum,image->file); \ } #define WWWCommand "/usr/local/bin/get -q %s:%s > %s" /* Image Id's */ #define UndefinedId 0 #define ImageMagickId 1 /* Image classes: */ #define UndefinedClass 0 #define DirectClass 1 #define PseudoClass 2 #ifdef QuantumLeap /* Color quantum is [0..65535]. */ #define DownScale(quantum) (((unsigned int) (quantum)) >> 8) #define MaxRGB 65535 #define MaxRunlength 65535 #define QuantumDepth 16 #define UpScale(quantum) (((unsigned int) (quantum))*257) #define XDownScale(color) ((unsigned int) (color)) #define XUpScale(color) ((unsigned int) (color)) typedef unsigned short Quantum; #else /* Color quantum is [0..255]. */ #define DownScale(quantum) ((unsigned int) (quantum)) #define MaxRGB 255 #define MaxRunlength 255 #define QuantumDepth 8 #define UpScale(quantum) ((unsigned int) (quantum)) #define XDownScale(color) (((unsigned int) (color)) >> 8) #define XUpScale(color) (((unsigned int) (color))*257) typedef unsigned char Quantum; #endif /* Typedef declarations. */ typedef struct _AnnotateInfo { char *server_name, *font; unsigned int pointsize; char *pen, *geometry, *text; unsigned int center; } AnnotateInfo; typedef struct _ColorPacket { Quantum red, green, blue; unsigned char flags; unsigned short index; } ColorPacket; typedef struct _FrameInfo { int x, y; unsigned int width, height; int inner_bevel, outer_bevel; ColorPacket matte_color, highlight_color, shadow_color; } FrameInfo; typedef struct _ImageInfo { char *filename, magick[MaxTextLength]; unsigned int assert, subimage, subrange; char *server_name, *font, *size, *density, *page; unsigned int dither, interlace, monochrome, quality, verbose; char *undercolor; } ImageInfo; typedef struct _RectangleInfo { unsigned int width, height; int x, y; } RectangleInfo; typedef struct _RunlengthPacket { Quantum red, green, blue, length; unsigned short index; } RunlengthPacket; typedef struct _Image { FILE *file; int status, temporary; char filename[MaxTextLength]; long int filesize; int pipe; char magick[MaxTextLength], *comments, *label, *text; unsigned int id, class, matte, compression, columns, rows, depth, scene; char *montage, *directory; ColorPacket *colormap; unsigned int colorspace, colors; short int units; float x_resolution, y_resolution; unsigned int mean_error_per_pixel; double normalized_mean_error, normalized_maximum_error; unsigned long total_colors; char *signature; RunlengthPacket *pixels, *packet; unsigned int packets, runlength, packet_size; unsigned char *packed_pixels; long int magick_time; char magick_filename[MaxTextLength]; unsigned int magick_columns, magick_rows; unsigned int orphan; struct _Image *previous, *next; } Image; /* Image utilities routines. */ extern void CommentImage _Declare((Image *,char *)), Error _Declare((char *,char *)), LabelImage _Declare((Image *,char *)), Warning _Declare((char *,char *)); extern Image *AllocateImage _Declare((ImageInfo *)), *BorderImage _Declare((Image *,RectangleInfo *,ColorPacket *)), *BlurImage _Declare((Image *,double)), *ChopImage _Declare((Image *,RectangleInfo *)), *CopyImage _Declare((Image *,unsigned int,unsigned int,unsigned int)), *CropImage _Declare((Image *,RectangleInfo *)), *DespeckleImage _Declare((Image *)), *EmbossImage _Declare((Image *)), *EdgeImage _Declare((Image *)), *EnhanceImage _Declare((Image *)), *FlipImage _Declare((Image *)), *FlopImage _Declare((Image *)), *FrameImage _Declare((Image *,FrameInfo *)), *NoisyImage _Declare((Image *)), *OilPaintImage _Declare((Image *)), *ReadImage _Declare((ImageInfo *)), *ReduceImage _Declare((Image *)), *RollImage _Declare((Image *,int,int)), *RotateImage _Declare((Image *,double,ColorPacket *,unsigned int)), *SampleImage _Declare((Image *,unsigned int,unsigned int)), *ScaleImage _Declare((Image *,unsigned int,unsigned int)), *SharpenImage _Declare((Image *,double)), *ShearImage _Declare((Image *,double,double,ColorPacket *,unsigned int)), *StereoImage _Declare((Image *,Image *)), *ZoomImage _Declare((Image *)); extern unsigned int IsGrayImage _Declare((Image *)), IsPseudoClass _Declare((Image *)), UncompressImage _Declare((Image *)), WriteImage _Declare((ImageInfo *,Image *)); extern void AnnotateImage _Declare((Image *,AnnotateInfo *)), CloseImage _Declare((Image *)), ColormapSignature _Declare((Image *)), CompositeImage _Declare((Image *,unsigned int,Image *,int,int)), CompressColormap _Declare((Image *)), CompressImage _Declare((Image *)), ContrastImage _Declare((Image *,unsigned int)), DescribeImage _Declare((Image *,FILE *,unsigned int)), DestroyImage _Declare((Image *)), DestroyImages _Declare((Image *)), EqualizeImage _Declare((Image *)), GammaImage _Declare((Image *,char *)), GetAnnotateInfo _Declare((AnnotateInfo *)), GetImageInfo _Declare((ImageInfo *)), MapImage _Declare((Image *,Image *,unsigned int)), ModulateImage _Declare((Image *,char *)), MogrifyImage _Declare((ImageInfo *,int,char **,Image **)), NegateImage _Declare((Image *)), NormalizeImage _Declare((Image *)), NumberColors _Declare((Image *,FILE *)), OpaqueImage _Declare((Image *,char *,char *)), OpenImage _Declare((Image *,char *)), ParseImageGeometry _Declare((char *,unsigned int *,unsigned int *)), QuantizationError _Declare((Image *)), QuantizeImage _Declare((Image *,unsigned int,unsigned int,unsigned int, unsigned int)), QuantizeImages _Declare((Image **,unsigned int,unsigned int,unsigned int, unsigned int,unsigned int)), RaiseImage _Declare((Image *,int,unsigned int)), RGBTransformImage _Declare((Image *,unsigned int)), SegmentImage _Declare((Image *,unsigned int,unsigned int,double,double)), SetErrorHandler _Declare((ErrorHandler)), SetImageMagick _Declare((ImageInfo *)), SetWarningHandler _Declare((ErrorHandler)), SortColormapByIntensity _Declare((Image *)), SyncImage _Declare((Image *)), TransformImage _Declare((Image **,char *,char *)), TransformRGBImage _Declare((Image *,unsigned int)), TransparentImage _Declare((Image *,char *)); ./ImageMagick/magick/compress.h010064400000240000024000000023270602164600300175270ustar00cristycristy00002330000007/* Compress utility routines. */ extern unsigned int BMPDecodeImage _Declare((unsigned char *,unsigned char *,unsigned int, unsigned int,unsigned int)), BMPEncodeImage _Declare((unsigned char *,unsigned char *,unsigned int, unsigned int)), HuffmanDecodeImage _Declare((Image *)), HuffmanEncodeImage _Declare((Image *)), LZWDecodeImage _Declare((Image *)), LZWEncodeFilter _Declare((FILE *,unsigned char *,unsigned int)), LZWEncodeImage _Declare((Image *,unsigned int)), PackbitsEncodeImage _Declare((Image *,unsigned char *,unsigned char *)), PCDDecodeImage _Declare((Image *,unsigned char *,unsigned char *, unsigned char *)), QDecodeImage _Declare((unsigned char *,unsigned char *,unsigned int, unsigned int)), QEncodeImage _Declare((unsigned char *,unsigned char *,unsigned int, unsigned int)), RunlengthDecodeImage _Declare((Image *)), RunlengthEncodeImage _Declare((Image *)), SUNDecodeImage _Declare((unsigned char *,unsigned char *,unsigned int, unsigned int)); extern void Ascii85Encode _Declare((unsigned int,FILE *)), Ascii85Flush _Declare((FILE *)), Ascii85Initialize _Declare((void)), Upsample _Declare((unsigned int, unsigned int, unsigned int,unsigned char *)); ./ImageMagick/magick/Makefile010074400000240000024000000057110600505004000171540ustar00cristycristy00002330000007# Generated automatically from Makefile.in by configure. # # Generic makefile for the ImageMagick image library for computers that do # not have xmkmf. # # Copyright 1995 E. I. du Pont de Nemours and Company # # Permission to use, copy, modify, distribute, and sell this software and # its documentation for any purpose is hereby granted without fee, # provided that the above Copyright notice appear in all copies and that # both that Copyright notice and this permission notice appear in # supporting documentation, and that the name of E. I. du Pont de Nemours # and Company not be used in advertising or publicity pertaining to # distribution of the software without specific, written prior # permission. E. I. du Pont de Nemours and Company makes no representations # about the suitability of this software for any purpose. It is provided # "as is" without express or implied warranty. # # E. I. du Pont de Nemours and Company disclaims all warranties with regard # to this software, including all implied warranties of merchantability # and fitness, in no event shall E. I. du Pont de Nemours and Company be # liable for any special, indirect or consequential damages or any # damages whatsoever resulting from loss of use, data or profits, whether # in an action of contract, negligence or other tortious action, arising # out of or in connection with the use or performance of this software. # SHELL = /bin/sh AR = ar CC = gcc DEFS = -DSTDC_HEADERS=1 -DHAVE_DIRENT_H=1 INSTALL_DATA = ${INSTALL} -m 644 RANLIB = : CDEBUGFLAGS= $(DEFS) LOCALLIB=/usr/local/lib LOCALINC=/usr/local/include CFLAGS= $(CDEBUGFLAGS) $(DEFINES) MagickObjects= widget.o X.o image.o shear.o segment.o quantize.o colors.o \ signature.o decode.o encode.o compress.o utility.o error.o PreRvIcccm.o all: libMagick.a libMagick.a: $(MagickObjects) rm -f libMagick.a $(AR) cru libMagick.a $(MagickObjects) $(RANLIB) libMagick.a install: libMagick.a $(INSTALL_DATA) libMagick.a $(LOCALLIB)/libMagick.a $(INSTALL_DATA) PreRvIcccm.h $(LOCALINC)/PreRvIcccm.h $(INSTALL_DATA) X.h $(LOCALINC)/X.h $(INSTALL_DATA) compress.h $(LOCALINC)/compress.h $(INSTALL_DATA) image.h $(LOCALINC)/image.h $(INSTALL_DATA) magick.h $(LOCALINC)/magick.h $(INSTALL_DATA) utility.h $(LOCALINC)/utility.h $(INSTALL_DATA) widget.h $(LOCALINC)/widget.h clean: rm -f *.o libMagick.a core widget.o: widget.c magick.h image.h utility.h X.h widget.h X.o: X.c magick.h image.h X.h image.o: image.c magick.h image.h compress.h utility.h X.h shear.o: shear.c magick.h image.h quantize.o: quantize.c magick.h image.h colors.o: colors.c magick.h image.h signature.o: signature.c magick.h image.h decode.o: decode.c magick.h image.h compress.h utility.h X.h XWDFile.h encode.o: encode.c magick.h image.h compress.h utility.h X.h XWDFile.h compress.o: compress.c magick.h image.h utility.h utility.o: utility.c magick.h image.h compress.h X.h error.o: error.c magick.h PreRvIcccm.o: PreRvIcccm.c magick.h image.h X.h ./ImageMagick/magick/vms.c010064400000240000024000000133560602341254200165010ustar00cristycristy00002330000007/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % % % V V M M SSSSS % % V V MM MM SS % % V V M M M SSS % % V V M M SS % % V M M SSSSS % % % % VMS Utility Routines for ImageMagick. % % % % % % Software Design % % John Cristy % % October 1994 % % % % % % Copyright 1995 E. I. du Pont de Nemours and Company % % % % Permission to use, copy, modify, distribute, and sell this software and % % its documentation for any purpose is hereby granted without fee, % % provided that the above Copyright notice appear in all copies and that % % both that Copyright notice and this permission notice appear in % % supporting documentation, and that the name of E. I. du Pont de Nemours % % and Company not be used in advertising or publicity pertaining to % % distribution of the software without specific, written prior % % permission. E. I. du Pont de Nemours and Company makes no representations % % about the suitability of this software for any purpose. It is provided % % "as is" without express or implied warranty. % % % % E. I. du Pont de Nemours and Company disclaims all warranties with regard % % to this software, including all implied warranties of merchantability % % and fitness, in no event shall E. I. du Pont de Nemours and Company be % % liable for any special, indirect or consequential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, negligence or other tortuous action, arising % % out of or in connection with the use or performance of this software. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % The directory routines are strongly based on similiar routines written % by Rich Salz. % */ #ifdef vms /* Include declarations. */ #include "magick.h" #include "vms.h" /* Close a directory. */ void closedir(directory) DIR *directory; { free(directory->pattern); free((char *) directory); } /* Return a pointer to the first occurrence of a character within a string. */ char *index(string,c) char *string, c; { return(strchr(string,c)); } /* Open a directory for subsequent reading by readdir(). */ DIR *opendir(name) char *name; { DIR *directory; /* Allocate memory for handle and the pattern. */ directory=(DIR *) malloc(sizeof(*directory)); if (directory == (DIR *) NULL) { errno=ENOMEM; return((DIR *) NULL); } if (strcmp(".",name) == 0) name=""; directory->pattern=malloc((unsigned int) (strlen(name)+sizeof("*.*")+1)); if (directory->pattern == (char *) NULL) { free((char *) directory); errno=ENOMEM; return(NULL); } /* Initialize descriptor. */ (void) sprintf(directory->pattern,"%s*.*",name); directory->context=0; directory->pat.dsc$a_pointer=directory->pattern; directory->pat.dsc$w_length=strlen(directory->pattern); directory->pat.dsc$b_dtype=DSC$K_DTYPE_T; directory->pat.dsc$b_class=DSC$K_CLASS_S; return(directory); } /* Return the next file from the directory. */ struct dirent *readdir(directory) DIR *directory; { char buffer[sizeof(directory->entry.d_name)]; int status; register char *p; register int i; struct dsc$descriptor_s result; /* Initialize the result descriptor. */ result.dsc$a_pointer=buffer; result.dsc$w_length=sizeof(buffer)-2; result.dsc$b_dtype=DSC$K_DTYPE_T; result.dsc$b_class=DSC$K_CLASS_S; status=lib$find_file(&directory->pat,&result,&directory->context); if ((status == RMS$_NMF) || (directory->context == 0L)) return((struct dirent *) NULL); /* Lowercase all filenames. */ buffer[sizeof(buffer)-1]='\0'; for (p=buffer; *p; p++) if (isupper(*p)) *p=tolower(*p); /* Skip any directory component and just copy the name. */ p=buffer; while (!isspace(*p)) p++; *p='\0'; p=strchr(buffer,']'); if (p) (void) strcpy(directory->entry.d_name,p+1); else (void) strcpy(directory->entry.d_name,buffer); /* Remove the file version number. */ p=strchr(directory->entry.d_name,';'); if (p) *p='\0'; directory->entry.d_namlen=strlen(directory->entry.d_name); return(&directory->entry); } #endif mentation for any purpose is hereby granted without fee, % % provided that the above Copyright notice appear in all copies and that % % both that Copyright notice and this permission notice appear in % % supporting documentation, and that the nam./ImageMagick/magick/magick.h010064400000240000024000000075630602605401500171370ustar00cristycristy00002330000007/* Include declarations */ #ifdef hpux #define _HPUX_SOURCE 1 #endif #include #if defined(__STDC__) || defined(sgi) || defined(_AIX) #include #include #else #ifdef vms #include #else #include #include #endif #endif #include #include #include #include #include #include #include #undef index #undef assert /* Define declarations. */ #if __STDC__ || defined(sgi) || defined(_AIX) #define _Declare(formal_parameters) formal_parameters #else #define const #define _Declare(formal_parameters) () #endif #define DownShift(x) (((int) ((x)+(1L << 13))) >> 14) #define False 0 #define Max(x,y) (((x) > (y)) ? (x) : (y)) #define Min(x,y) (((x) < (y)) ? (x) : (y)) #ifndef M_PI #define M_PI 3.14159265358979323846 #endif #define True 1 #define UpShift(x) ((int) (x) << 14) #define UpShifted(x) ((int) ((x)*(1L << 14)+0.5)) /* Define declarations that differ between Unix and VMS. */ #ifndef vms #define ApplicationDefaults "/usr/lib/X11/app-defaults/" #define DocumentationBrowser \ "netscape http://www.wizards.dupont.com/cristy/ImageMagick.html &" #define EditorCommand "xterm -title \"Edit Image Comment\" -e vi %s" #define HistogramCommand \ "display -immutable -window_group 0x%lx -title \"Histogram of %s\" tmp:%s &" #define PostscriptCommand \ "gs -sDEVICE=%s -q -dNOPAUSE -dSAFER %s -sOutputFile=%s -- %s < /dev/null > /dev/null" #define PreferencesDefaults "~/." #define PrintCommand "lpr %s" #define RGBColorDatabase "/usr/lib/X11/rgb.txt" #else #define ApplicationDefaults "decw$system_defaults:" #define DocumentationBrowser \ "mosaic http://www.wizards.dupont.com/cristy/ImageMagick.html" #define EditorCommand "cre/term/wait edit/tpu %s" #define HistogramCommand \ "display -immutable -window_group 0x%lx -title \"Histogram of %s\" tmp:%s" #define pclose(file) fclose(file) #define popen(command,mode) fopen(command,mode) #define PostscriptCommand \ "gs \"-sDEVICE=%s\" -q \"-dNOPAUSE\" \"-dSAFER\" \"%s\" \"-sOutputFile=%s\" -- \"%s\"" #define PreferencesDefaults "decw$user_defaults:" #define PrintCommand "print %s" #define RGBColorDatabase "sys$common:[sysmgr]decw$rgb.dat" #define unlink(file) remove(file) #endif /* Image colorspaces: */ #define UndefinedColorspace 0 #define RGBColorspace 1 #define GRAYColorspace 2 #define OHTAColorspace 3 #define XYZColorspace 4 #define YCbCrColorspace 5 #define YCCColorspace 6 #define YIQColorspace 7 #define YPbPrColorspace 8 #define YUVColorspace 9 /* Image compression algorithms: */ #define UndefinedCompression 0 #define NoCompression 1 #define RunlengthEncodedCompression 2 #define QEncodedCompression 3 /* Image interlace: */ #define UndefinedInterlace 0 #define NoneInterlace 1 #define LineInterlace 2 #define PlaneInterlace 3 /* Image compositing operations: */ #define UndefinedCompositeOp 0 #define OverCompositeOp 1 #define InCompositeOp 2 #define OutCompositeOp 3 #define AtopCompositeOp 4 #define XorCompositeOp 5 #define PlusCompositeOp 6 #define MinusCompositeOp 7 #define AddCompositeOp 8 #define SubtractCompositeOp 9 #define DifferenceCompositeOp 10 #define ReplaceCompositeOp 11 #define BlendCompositeOp 12 /* Image color matching algorithms: */ #define PointMethodOp 0 #define ReplaceMethodOp 1 #define FloodfillMethodOp 2 #define ResetMethodOp 3 /* Page geometries: */ #define PSDensityGeometry "72x72" #define PSPageGeometry "612x792+36+36" #define TextPageGeometry "612x792+36+36" /* 3D effects: */ #define HighlightModulate UpScale(125) #define ShadowModulate UpScale(135) #define DepthModulate UpScale(185) #define TroughModulate UpScale(110) /* Typedef declarations. */ typedef void (*ErrorHandler) _Declare((char *,char *)); /* Variable declarations. */ static char Version[]="@(#)ImageMagick 3.6.6 95/09/01 cristy@dupont.com"; ./ImageMagick/magick/Make.com010064400000240000024000000027400567507557200171240ustar00cristycristy00002330000007$! $! Make ImageMagick X image utilities for VMS. $! $ $define/nolog X11 decw$include: $define/nolog sys sys$library: $link_options="/nodebug/notraceback" $define/nolog lnk$library sys$library:vaxcrtl $ $write sys$output "Making Magick..." $call Make widget $call Make X $call Make image $call Make shear $call Make segment $call Make quantize $call Make colors $call Make signature $call Make decode $call Make encode $call Make compress $call Make utility $call Make error $call Make PreRvIcccm $call Make Vms $exit $ $Make: subroutine $! $! A very primitive "make" (or MMS) hack for DCL. $! $if (p1.eqs."") then exit $source_file=f$search(f$parse(p1,".c")) $if (source_file.nes."") $ then $ object_file=f$parse(source_file,,,"name")+".obj" $ object_file=f$search( object_file ) $ if (object_file.nes."") $ then $ object_time=f$file_attribute(object_file,"cdt") $ source_time=f$file_attribute(source_file,"cdt") $ if (f$cvtime(object_time).lts.f$cvtime(source_time)) then - $ object_file="" $ endif $ if (object_file.eqs."") $ then $ write sys$output "Compiling ",p1 $ if (p2.eqs."") $ then $ cc/nodebug/optimize/ - include_directory=([-],[-.jpeg],[-.tiff],[-.xpm]) 'source_file' $ else $ cc/nodebug/optimize/ - include_directory=([-],[-.jpeg],[-.tiff],[-.xpm]) /define='p2' - 'source_file' $ endif $ endif $exit $endsubroutine ./ImageMagick/magick/segment.c010064400000240000024000001251050602265767100173470ustar00cristycristy00002330000007/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % SSSSS EEEEE GGGG M M EEEEE N N TTTTT % % SS E G MM MM E NN N T % % SSS EEE G GGG M M M EEE N N N T % % SS E G G M M E N NN T % % SSSSS EEEEE GGGG M M EEEEE N N T % % % % % % Segment an Image with Thresholding and the Fuzzy c-Means Technique. % % % % % % % % Software Design % % John Cristy % % April 1993 % % % % % % Copyright 1995 E. I. Dupont de Nemours and Company % % % % Permission to use, copy, modify, distribute, and sell this software and % % its documentation for any purpose is hereby granted without fee, % % provided that the above Copyright notice appear in all copies and that % % both that Copyright notice and this permission notice appear in % % supporting documentation, and that the name of E. I. Dupont de Nemours % % and Company not be used in advertising or publicity pertaining to % % distribution of the software without specific, written prior % % permission. E. I. Dupont de Nemours and Company makes no representations % % about the suitability of this software for any purpose. It is provided % % "as is" without express or implied warranty. % % % % E. I. Dupont de Nemours and Company disclaims all warranties with regard % % to this software, including all implied warranties of merchantability % % and fitness, in no event shall E. I. Dupont de Nemours and Company be % % liable for any special, indirect or consequential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, negligence or other tortuous action, arising % % out of or in connection with the use or performance of this software. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Segment segments an image by analyzing the histograms of the color % components and identifying units that are homogeneous with the fuzzy % c-means technique. The scale-space filter analyzes the histograms of % the three color components of the image and identifies a set of classes. % The extents of each class is used to coarsely segment the image with % thresholding. The color associated with each class is determined by % the mean color of all pixels within the extents of a particular class. % Finally, any unclassified pixels are assigned to the closest class with % the fuzzy c-means technique. % % The fuzzy c-Means algorithm can be summarized as follows: % % o Build a histogram, one for each color component of the image. % % o For each histogram, successively apply the scale-space % filter and build an interval tree of zero crossings in % the second derivative at each scale. Analyze this % scale-space ``fingerprint'' to determine which peaks and % valleys in the histogram are most predominant. % % o The fingerprint defines intervals on the axis of the % histogram. Each interval contains either a minima or a % maxima in the original signal. If each color component % lies within the maxima interval, that pixel is considered % ``classified'' and is assigned an unique class number. % % o Any pixel that fails to be classified in the above % thresholding pass is classified using the fuzzy % c-Means technique. It is assigned to one of the classes % discovered in the histogram analysis phase. % % The fuzzy c-Means technique attempts to cluster a pixel by finding % the local minima of the generalized within group sum of squared error % objective function. A pixel is assigned to the closest class of which % the fuzzy membership has a maximum value. % % Segment is strongly based on software written by Andy Gallo, University % of Delaware. % % The following reference was used in creating this program: % % Young Won Lim, Sang Uk Lee, "On The Color Image Segmentation Algorithm % Based on the Thresholding and the Fuzzy c-Means Techniques", Pattern % Recognition, Volume 23, Number 9, pages 935-952, 1990. % % */ #include "magick.h" #include "image.h" #include "X.h" /* Define declarations. */ #define Blue 2 #define Dimension 3 #define Green 1 #define Red 0 #define SafeMargin 3 /* Typedef declarations. */ typedef struct _ExtentPacket { int index, left, right; long center; } ExtentPacket; typedef struct _IntervalTree { float tau; int left, right; float mean_stability, stability; struct _IntervalTree *sibling, *child; } IntervalTree; typedef struct _ZeroCrossing { float tau, histogram[MaxRGB+1]; short crossings[MaxRGB+1]; } ZeroCrossing; /* Forward declarations. */ static int DefineRegion _Declare((short *,ExtentPacket *)); static void ScaleSpace _Declare((long *,double,float *)), ZeroCrossHistogram _Declare((float *,double,short *)); /* Global declarations. */ static int number_nodes; static IntervalTree *list[600]; /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C l a s s i f y % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % Function Classify defines on ore more classes. Each pixel is thresholded % to determine which class it belongs to. If not class is identified it % is assigned to the closest class based on the fuzzy c-Means technique. % % The format of the Classify routine is: % % Classify(image,extrema,cluster_threshold,weighting_exponent,verbose) % % A description of each parameter follows. % % o image: Specifies a pointer to an Image structure; returned from % ReadImage. % % o extrema: Specifies a pointer to an array of shortegers. They % represent the peaks and valleys of the histogram for each color % component. % % o cluster_threshold: This float represents the minimum number of pixels % contained in a hexahedra before it can be considered valid (expressed % as a percentage). % % o weighting_exponent: Specifies the membership weighting exponent. % % o verbose: A value greater than zero prints detailed information about % the identified classes. % % */ static void Classify(image,extrema,cluster_threshold,weighting_exponent,verbose) Image *image; short **extrema; float cluster_threshold, weighting_exponent; unsigned int verbose; { typedef struct _Cluster { short id; ExtentPacket red, green, blue; long count; struct _Cluster *next; } Cluster; Cluster *cluster, *head, *last_cluster, *next_cluster; double distance_squared, local_minima, numerator, ratio, sum; ExtentPacket blue, green, red; int distance, count; register int i, j, k; register RunlengthPacket *p, *q; register unsigned int *squares; unsigned int number_clusters; /* Form clusters. */ cluster=(Cluster *) NULL; head=(Cluster *) NULL; red.index=0; while (DefineRegion(extrema[Red],&red)) { green.index=0; while (DefineRegion(extrema[Green],&green)) { blue.index=0; while (DefineRegion(extrema[Blue],&blue)) { /* Allocate a new class. */ if (head != (Cluster *) NULL) { cluster->next=(Cluster *) malloc(sizeof(Cluster)); cluster=cluster->next; } else { cluster=(Cluster *) malloc(sizeof(Cluster)); head=cluster; } if (cluster == (Cluster *) NULL) Error("Unable to allocate memory",(char *) NULL); /* Initialize a new class. */ cluster->count=0; cluster->red=red; cluster->green=green; cluster->blue=blue; cluster->next=(Cluster *) NULL; } } } if (head == (Cluster *) NULL) { /* No classes were identified-- create one. */ cluster=(Cluster *) malloc(sizeof(Cluster)); if (cluster == (Cluster *) NULL) Error("Unable to allocate memory",(char *) NULL); /* Initialize a new class. */ cluster->count=0; cluster->red=red; cluster->green=green; cluster->blue=blue; cluster->next=(Cluster *) NULL; head=cluster; } /* Count the pixels for each cluster. */ count=0; p=image->pixels; for (i=0; i < image->packets; i++) { for (cluster=head; cluster != (Cluster *) NULL; cluster=cluster->next) if (((int) p->red >= (cluster->red.left-SafeMargin)) && ((int) p->red <= (cluster->red.right+SafeMargin)) && ((int) p->green >= (cluster->green.left-SafeMargin)) && ((int) p->green <= (cluster->green.right+SafeMargin)) && ((int) p->blue >= (cluster->blue.left-SafeMargin)) && ((int) p->blue <= (cluster->blue.right+SafeMargin))) { /* Count this pixel. */ count+=(p->length+1); cluster->count+=(p->length+1); cluster->red.center+=(p->red*(p->length+1)); cluster->green.center+=(p->green*(p->length+1)); cluster->blue.center+=(p->blue*(p->length+1)); break; } p++; } /* Remove clusters that do not meet minimum cluster threshold. */ cluster_threshold*=(float) count*0.01; count=0; last_cluster=head; next_cluster=head; for (cluster=head; cluster != (Cluster *) NULL; cluster=next_cluster) { next_cluster=cluster->next; if (cluster->count >= cluster_threshold) { /* Initialize cluster. */ cluster->id=count; cluster->red.center=(cluster->red.center+(cluster->count >> 1))/ cluster->count; cluster->green.center=(cluster->green.center+(cluster->count >> 1))/ cluster->count; cluster->blue.center=(cluster->blue.center+(cluster->count >> 1))/ cluster->count; count++; last_cluster=cluster; } else { /* Delete cluster. */ if (cluster == head) head=next_cluster; else last_cluster->next=next_cluster; free((char *) cluster); } } number_clusters=count; if (verbose) { /* Print cluster statistics. */ (void) fprintf(stderr,"Fuzzy c-Means Statistics\n"); (void) fprintf(stderr,"===================\n\n"); (void) fprintf(stderr,"\tTotal Number of Clusters = %u\n\n", number_clusters); /* Print the total number of points per cluster. */ (void) fprintf(stderr,"\n\nNumber of Vectors Per Cluster\n"); (void) fprintf(stderr,"=============================\n\n"); for (cluster=head; cluster != (Cluster *) NULL; cluster=cluster->next) (void) fprintf(stderr,"Cluster #%d = %ld\n",cluster->id,cluster->count); /* Print the cluster extents. */ (void) fprintf(stderr, "\n\n\nCluster Extents: (Vector Size: %d)\n",Dimension); (void) fprintf(stderr, "================"); for (cluster=head; cluster != (Cluster *) NULL; cluster=cluster->next) { (void) fprintf(stderr,"\n\nCluster #%d\n\n",cluster->id); (void) fprintf(stderr,"%d-%d %d-%d %d-%d\n", cluster->red.left,cluster->red.right, cluster->green.left,cluster->green.right, cluster->blue.left,cluster->blue.right); } /* Print the cluster center values. */ (void) fprintf(stderr, "\n\n\nCluster Center Values: (Vector Size: %d)\n",Dimension); (void) fprintf(stderr, "====================="); for (cluster=head; cluster != (Cluster *) NULL; cluster=cluster->next) { (void) fprintf(stderr,"\n\nCluster #%d\n\n",cluster->id); (void) fprintf(stderr,"%ld %ld %ld\n",cluster->red.center, cluster->green.center,cluster->blue.center); } (void) fprintf(stderr,"\n"); } /* Allocate image colormap. */ image->matte=False; image->class=PseudoClass; if (image->colormap != (ColorPacket *) NULL) free((char *) image->colormap); image->colormap=(ColorPacket *) malloc((unsigned int) number_clusters*sizeof(ColorPacket)); if (image->colormap == (ColorPacket *) NULL) Error("Unable to allocate memory",(char *) NULL); if (image->signature != (char *) NULL) free((char *) image->signature); image->signature=(char *) NULL; image->colors=number_clusters; i=0; for (cluster=head; cluster != (Cluster *) NULL; cluster=cluster->next) { image->colormap[i].red=(Quantum) cluster->red.center; image->colormap[i].green=(Quantum) cluster->green.center; image->colormap[i].blue=(Quantum) cluster->blue.center; i++; } /* Speed up distance calculations. */ squares=(unsigned int *) malloc((MaxRGB+MaxRGB+1)*sizeof(unsigned int)); if (squares == (unsigned int *) NULL) Error("Unable to allocate memory",(char *) NULL); squares+=MaxRGB; for (i=(-MaxRGB); i <= MaxRGB; i++) squares[i]=i*i; /* Do course grain classification. */ q=image->pixels; for (i=0; i < image->packets; i++) { for (cluster=head; cluster != (Cluster *) NULL; cluster=cluster->next) if (((int) q->red >= (cluster->red.left-SafeMargin)) && ((int) q->red <= (cluster->red.right+SafeMargin)) && ((int) q->green >= (cluster->green.left-SafeMargin)) && ((int) q->green <= (cluster->green.right+SafeMargin)) && ((int) q->blue >= (cluster->blue.left-SafeMargin)) && ((int) q->blue <= (cluster->blue.right+SafeMargin))) { /* Classify this pixel. */ q->index=cluster->id; break; } if (cluster == (Cluster *) NULL) { /* Compute fuzzy membership. */ local_minima=0.0; for (j=0; j < image->colors; j++) { sum=0.0; distance=image->colormap[j].red-(int) q->red; distance_squared=squares[distance]; distance=image->colormap[j].green-(int) q->green; distance_squared+=squares[distance]; distance=image->colormap[j].blue-(int) q->blue; distance_squared+=squares[distance]; numerator=sqrt(distance_squared); for (k=0; k < image->colors; k++) { distance=image->colormap[k].red-(int) q->red; distance_squared=squares[distance]; distance=image->colormap[k].green-(int) q->green; distance_squared+=squares[distance]; distance=image->colormap[k].blue-(int) q->blue; distance_squared+=squares[distance]; ratio=numerator/sqrt(distance_squared); sum+=pow(ratio,(double) (2.0/(weighting_exponent-1.0))); } if ((1.0/sum) > local_minima) { /* Classify this pixel. */ local_minima=1.0/sum; q->index=j; } } } q++; } /* Free memory. */ for (cluster=head; cluster != (Cluster *) NULL; cluster=next_cluster) { next_cluster=cluster->next; free((char *) cluster); } squares-=MaxRGB; free((char *) squares); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C o n s o l i d a t e C r o s s i n g s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % Function ConsolidateCrossings guarantees that an even number of zero % crossings always lie between two crossings. % % The format of the ConsolidateCrossings routine is: % % ConsolidateCrossings(zero_crossing,number_crossings) % % A description of each parameter follows. % % o zero_crossing: Specifies an array of structures of type ZeroCrossing. % % o number_crossings: This unsigned int specifies the number of elements % in the zero_crossing array. % % */ static void ConsolidateCrossings(zero_crossing,number_crossings) ZeroCrossing *zero_crossing; unsigned int number_crossings; { int center, correct, count, left, right; register int i, j, k, l; /* Consolidate zero crossings. */ for (i=number_crossings-1; i >= 0; i--) for (j=0; j <= MaxRGB; j++) if (zero_crossing[i].crossings[j] != 0) { /* Find the entry that is closest to j and still preserves the property that there are an even number of crossings between intervals. */ for (k=j-1; k > 0; k--) if (zero_crossing[i+1].crossings[k] != 0) break; left=Max(k,0); center=j; for (k=j+1; k < MaxRGB; k++) if (zero_crossing[i+1].crossings[k] != 0) break; right=Min(k,MaxRGB); /* K is the zero crossing just left of j. */ for (k=j-1; k > 0; k--) if (zero_crossing[i].crossings[k] != 0) break; if (k < 0) k=0; /* Check center for an even number of crossings between k and j. */ correct=(-1); if (zero_crossing[i+1].crossings[j] != 0) { count=0; for (l=k+1; l < center; l++) if (zero_crossing[i+1].crossings[l] != 0) count++; if ((count % 2) == 0) if (center != k) correct=center; } /* Check left for an even number of crossings between k and j. */ if (correct == -1) { count=0; for (l=k+1; l < left; l++) if (zero_crossing[i+1].crossings[l] != 0) count++; if ((count % 2) == 0) if (left != k) correct=left; } /* Check right for an even number of crossings between k and j. */ if (correct == -1) { count=0; for (l=k+1; l < right; l++) if (zero_crossing[i+1].crossings[l] != 0) count++; if ((count % 2) == 0) if (right != k) correct=right; } l=zero_crossing[i].crossings[j]; zero_crossing[i].crossings[j]=0; if (correct != -1) zero_crossing[i].crossings[correct]=l; } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % D e f i n e R e g i o n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % Function DefineRegion defines the left and right boundaries of a peak % region. % % The format of the DefineRegion routine is: % % status=DefineRegion(extrema,extents) % % A description of each parameter follows. % % o extrema: Specifies a pointer to an array of shortegers. They % represent the peaks and valleys of the histogram for each color % component. % % o extents: This pointer to an ExtentPacket represent the extends % of a particular peak or valley of a color component. % % */ static int DefineRegion(extrema,extents) short *extrema; ExtentPacket *extents; { /* Initialize to default values. */ extents->left=0; extents->center=0; extents->right=MaxRGB; /* Find the left side (maxima). */ for ( ; extents->index <= MaxRGB; extents->index++) if (extrema[extents->index] > 0) break; if (extents->index > MaxRGB) return(False); /* no left side - no region exists */ extents->left=extents->index; /* Find the right side (minima). */ for ( ; extents->index <= MaxRGB; extents->index++) if (extrema[extents->index] < 0) break; extents->right=extents->index-1; return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % D e r i v a t i v e H i s t o g r a m % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % Function DerivativeHistogram determines the derivative of the histogram % using central differencing. % % The format of the DerivativeHistogram routine is: % % DerivativeHistogram(histogram,derivative) % % A description of each parameter follows. % % o histogram: Specifies an array of floats representing the number of % pixels for each intensity of a paritcular color component. % % o derivative: This array of floats is initialized by DerivativeHistogram % to the derivative of the histogram using centeral differencing. % % */ static void DerivativeHistogram(histogram,derivative) float *histogram, *derivative; { register int i, n; /* Compute endpoints using second order polynomial interpolation. */ n=MaxRGB; derivative[0]=(-1.5*histogram[0]+2.0*histogram[1]-0.5*histogram[2]); derivative[n]=(0.5*histogram[n-2]-2.0*histogram[n-1]+1.5*histogram[n]); /* Compute derivative using central differencing. */ for (i=1; i < n; i++) derivative[i]=(histogram[i+1]-histogram[i-1])/2; return; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % I n i t i a l i z e H i s t o g r a m % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function InitializeHistogram computes the histogram for an image. % % The format of the InitializeHistogram routine is: % % InitializeHistogram(image,histogram) % % A description of each parameter follows. % % o image: Specifies a pointer to an Image structure; returned from % ReadImage. % % o histogram: Specifies an array of longegers representing the number % of pixels for each intensity of a paritcular color component. % % */ static void InitializeHistogram(image,histogram) Image *image; long **histogram; { register int i; register RunlengthPacket *p; /* Initialize histogram. */ for (i=0; i <= MaxRGB; i++) { histogram[Red][i]=0; histogram[Green][i]=0; histogram[Blue][i]=0; } p=image->pixels; for (i=0; i < image->packets; i++) { histogram[Red][p->red]+=(p->length+1); histogram[Green][p->green]+=(p->length+1); histogram[Blue][p->blue]+=(p->length+1); p++; } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % I n i t i a l i z e I n t e r v a l T r e e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % Function InitializeIntervalTree initializes an interval tree from the % lists of zero crossings. % % The format of the InitializeIntervalTree routine is: % % InitializeIntervalTree(zero_crossing,number_crossings) % % A description of each parameter follows. % % o zero_crossing: Specifies an array of structures of type ZeroCrossing. % % o number_crossings: This unsigned int specifies the number of elements % in the zero_crossing array. % % */ static void InitializeList(node) IntervalTree *node; { if (node == (IntervalTree *) NULL) return; if (node->child == (IntervalTree *) NULL) list[number_nodes++]=node; InitializeList(node->sibling); InitializeList(node->child); } static void MeanStability(node) IntervalTree *node; { register IntervalTree *child; if (node == (IntervalTree *) NULL) return; node->mean_stability=0.0; child=node->child; if (child != (IntervalTree *) NULL) { register double sum; register int count; sum=0.0; count=0; for ( ; child != (IntervalTree *) NULL; child=child->sibling) { sum+=child->stability; count++; } node->mean_stability=sum/(double) count; } MeanStability(node->sibling); MeanStability(node->child); } static void Stability(node) IntervalTree *node; { if (node == (IntervalTree *) NULL) return; if (node->child == (IntervalTree *) NULL) node->stability=0.0; else node->stability=node->tau-(node->child)->tau; Stability(node->sibling); Stability(node->child); } static IntervalTree *InitializeIntervalTree(zero_crossing,number_crossings) ZeroCrossing *zero_crossing; unsigned int number_crossings; { int left; IntervalTree *head, *node, *root; register int i, j, k; /* The root is the entire histogram. */ root=(IntervalTree *) malloc(sizeof(IntervalTree)); root->child=(IntervalTree *) NULL; root->sibling=(IntervalTree *) NULL; root->tau=0.0; root->left=0; root->right=MaxRGB; for (i=(-1); i < (int) number_crossings; i++) { /* Initialize list with all nodes with no children. */ for (j=0; j < 600; j++) list[j]=(IntervalTree *) NULL; number_nodes=0; InitializeList(root); /* Split list. */ for (j=0; j < number_nodes; j++) { head=list[j]; left=head->left; node=head; for (k=head->left+1; k < head->right; k++) { if (zero_crossing[i+1].crossings[k] != 0) { if (node == head) { node->child=(IntervalTree *) malloc(sizeof(IntervalTree)); node=node->child; } else { node->sibling=(IntervalTree *) malloc(sizeof(IntervalTree)); node=node->sibling; } node->tau=zero_crossing[i+1].tau; node->child=(IntervalTree *) NULL; node->sibling=(IntervalTree *) NULL; node->left=left; node->right=k; left=k; } } if (left != head->left) { node->sibling=(IntervalTree *) malloc(sizeof(IntervalTree)); node=node->sibling; node->tau=zero_crossing[i+1].tau; node->child=(IntervalTree *) NULL; node->sibling=(IntervalTree *) NULL; node->left=left; node->right=head->right; } } } /* Determine the stability: difference between a nodes tau and its child. */ Stability(root->child); MeanStability(root->child); return(root); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % O p t i m a l T a u % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % Function OptimalTau finds the optimal tau for each band of the histogram. % % The format of the OptimalTau routine is: % % OptimalTau(histogram,max_tau,min_tau,delta_tau,smoothing_threshold, % extrema) % % A description of each parameter follows. % % o histogram: Specifies an array of longegers representing the number % of pixels for each intensity of a paritcular color component. % % o extrema: Specifies a pointer to an array of shortegers. They % represent the peaks and valleys of the histogram for each color % component. % % */ static void ActiveNodes(node) IntervalTree *node; { if (node == (IntervalTree *) NULL) return; if (node->stability >= node->mean_stability) { list[number_nodes++]=node; ActiveNodes(node->sibling); } else { ActiveNodes(node->sibling); ActiveNodes(node->child); } } static void FreeNodes(node) IntervalTree *node; { if (node == (IntervalTree *) NULL) return; FreeNodes(node->sibling); FreeNodes(node->child); free((char *) node); } static double OptimalTau(histogram,max_tau,min_tau,delta_tau, smoothing_threshold,extrema) long *histogram; float max_tau, min_tau, delta_tau, smoothing_threshold; short *extrema; { float average_tau, derivative[MaxRGB+1], second_derivative[MaxRGB+1], tau, value; int index, peak, x; IntervalTree *node, *root; register int i, j, k; ZeroCrossing *zero_crossing; unsigned int count, number_crossings; /* Allocate zero crossing list. */ count=((max_tau-min_tau)/delta_tau)+2; zero_crossing=(ZeroCrossing *) malloc(count*sizeof(ZeroCrossing)); if (zero_crossing == (ZeroCrossing *) NULL) Error("Unable to allocate memory",(char *) NULL); for (i=0; i < count; i++) zero_crossing[i].tau=(-1); /* Initialize zero crossing list. */ i=0; for (tau=max_tau; tau >= min_tau; tau-=delta_tau) { zero_crossing[i].tau=tau; ScaleSpace(histogram,tau,zero_crossing[i].histogram); DerivativeHistogram(zero_crossing[i].histogram,derivative); DerivativeHistogram(derivative,second_derivative); ZeroCrossHistogram(second_derivative,smoothing_threshold, zero_crossing[i].crossings); i++; } /* Add an entry for the original histogram. */ zero_crossing[i].tau=0.0; for (j=0; j <= MaxRGB; j++) zero_crossing[i].histogram[j]=histogram[j]; DerivativeHistogram(zero_crossing[i].histogram,derivative); DerivativeHistogram(derivative,second_derivative); ZeroCrossHistogram(second_derivative,smoothing_threshold, zero_crossing[i].crossings); number_crossings=i; /* Ensure the scale-space fingerprints form lines in scale-space, not loops. */ ConsolidateCrossings(zero_crossing,number_crossings); /* Force endpoints to be included in the interval. */ for (i=0; i <= number_crossings; i++) { for (j=0; j < MaxRGB; j++) if (zero_crossing[i].crossings[j] != 0) break; zero_crossing[i].crossings[0]=(-zero_crossing[i].crossings[j]); for (j=MaxRGB; j > 0; j--) if (zero_crossing[i].crossings[j] != 0) break; zero_crossing[i].crossings[MaxRGB]=(-zero_crossing[i].crossings[j]); } /* Initialize interval tree. */ root=InitializeIntervalTree(zero_crossing,number_crossings); /* Find active nodes: stabilty is greater (or equal) to the mean stability of its children. */ for (i = 0; i < 600; i++) list[i]=(IntervalTree *) NULL; number_nodes=0; ActiveNodes(root->child); /* Initialize extrema. */ for (i=0; i <= MaxRGB; i++) extrema[i]=0; for (i=0; i < number_nodes; i++) { /* Find this tau in zero crossings list. */ k=0; node=list[i]; for (j=0; j <= number_crossings; j++) if (zero_crossing[j].tau == node->tau) k=j; /* Find the value of the peak. */ peak=zero_crossing[k].crossings[node->right] == -1; index=node->left; value=zero_crossing[k].histogram[index]; for (x=node->left; x <= node->right; x++) { if (peak) { if (zero_crossing[k].histogram[x] > value) { value=zero_crossing[k].histogram[x]; index=x; } } else if (zero_crossing[k].histogram[x] < value) { value=zero_crossing[k].histogram[x]; index=x; } } for (x=node->left; x <= node->right; x++) { if (index == 0) index=MaxRGB+1; if (peak) extrema[x]=index; else extrema[x]=(-index); } } /* Determine the average tau. */ average_tau=0.0; for (i=0; i < number_nodes; i++) average_tau+=list[i]->tau; average_tau/=(float) number_nodes; /* Free memory. */ FreeNodes(root); free((char *) zero_crossing); return(average_tau); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S c a l e S p a c e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % Function ScaleSpace performs a scale-space filter on the 1D histogram. % % The format of the ScaleSpace routine is: % % ScaleSpace(histogram,tau,scaled_histogram) % % A description of each parameter follows. % % o histogram: Specifies an array of floats representing the number of % pixels for each intensity of a paritcular color component. % % */ static void ScaleSpace(histogram,tau,scaled_histogram) long *histogram; double tau; float *scaled_histogram; { float alpha, beta; double sum; register int u, x; alpha=1.0/(tau*sqrt((double) (2.0*M_PI))); beta=(-1.0/(2.0*tau*tau)); for (x=0; x <= MaxRGB; x++) { sum=0.0; for (u=0; u <= MaxRGB; u++) sum+=histogram[u]*exp((double) (beta*(x-u)*(x-u))); scaled_histogram[x]=alpha*sum; } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % Z e r o C r o s s H i s t o g r a m % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % Function ZeroCrossHistogram find the zero crossings in a histogram and % marks directions as: 1 is negative to positive; 0 is zero crossing; and % -1 is positive to negative. % % The format of the ZeroCrossHistogram routine is: % % ZeroCrossHistogram(second_derivative,smoothing_threshold,crossings) % % A description of each parameter follows. % % o second_derivative: Specifies an array of floats representing the % second derivative of the histogram of a particular color component. % % o crossings: This array of shortegers is initialized with % -1, 0, or 1 representing the slope of the first derivative of the % of a particular color component. % % */ static void ZeroCrossHistogram(second_derivative,smoothing_threshold,crossings) float *second_derivative; double smoothing_threshold; short *crossings; { int parity; register int i; /* Merge low numbers to zero to help prevent noise. */ for (i=0; i <= MaxRGB; i++) if ((second_derivative[i] < smoothing_threshold) && (second_derivative[i] > -smoothing_threshold)) second_derivative[i]=0.0; /* Mark zero crossings. */ parity=0; for (i=0; i <= MaxRGB; i++) { crossings[i]=0; if (second_derivative[i] < 0.0) { if (parity > 0) crossings[i]=(-1); parity=1; } else if (second_derivative[i] > 0.0) { if (parity < 0) crossings[i]=1; parity=(-1); } } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S e g m e n t I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function SegmentImage analyzes the colors within a reference image and % % The format of the SegmentImage routine is: % % colors=SegmentImage(image,colorspace,verbose) % % A description of each parameter follows. % % o colors: The SegmentImage function returns this integer % value. It is the actual number of colors allocated in the % colormap. % % o image: Specifies a pointer to an Image structure; returned from % ReadImage. % % o colorspace: An unsigned integer value that indicates the colorspace. % Empirical evidence suggests that distances in YUV or YIQ correspond to % perceptual color differences more closely than do distances in RGB % space. The image is then returned to RGB colorspace after color % reduction. % % o verbose: A value greater than zero prints detailed information about % the identified classes. % % */ void SegmentImage(image,colorspace,verbose,smoothing_threshold, cluster_threshold) Image *image; unsigned int colorspace, verbose; double smoothing_threshold, cluster_threshold; { #define DeltaTau 0.5 #define Tau 5.2 #define WeightingExponent 2.0 long *histogram[Dimension]; register int i; short *extrema[Dimension]; /* Allocate histogram and extrema. */ for (i=0; i < Dimension; i++) { histogram[i]=(long *) malloc((MaxRGB+1)*sizeof(long)); extrema[i]=(short *) malloc((MaxRGB+1)*sizeof(short)); if ((histogram[i] == (long *) NULL) || (extrema[i] == (short *) NULL)) Error("Unable to allocate memory",(char *) NULL); } if (colorspace != RGBColorspace) RGBTransformImage(image,colorspace); /* Initialize histogram. */ InitializeHistogram(image,histogram); (void) OptimalTau(histogram[Red],Tau,0.2,DeltaTau,smoothing_threshold, extrema[Red]); (void) OptimalTau(histogram[Green],Tau,0.2,DeltaTau,smoothing_threshold, extrema[Green]); (void) OptimalTau(histogram[Blue],Tau,0.2,DeltaTau,smoothing_threshold, extrema[Blue]); /* Classify using the fuzzy c-Means technique. */ Classify(image,extrema,cluster_threshold,WeightingExponent,verbose); if (colorspace != RGBColorspace) TransformRGBImage(image,colorspace); /* Free memory. */ for (i=0; i < Dimension; i++) { free((char *) extrema[i]); free((char *) histogram[i]); } } ; /* Allocate zero crossing list. */ count=((max_tau-min_tau)/delta_tau)+2; zero_crossing=(ZeroCrossing *) malloc(count*sizeof(ZeroCrossing)); if (zero_crossing == (ZeroCrossing *) NULL) Error("Unable to allocate memory",(char *) NULL); for (i=0; i < count; i++) zero_crossing[i].tau=(-1); /* Initialize zero crossing list. */ i=0; for (tau=max_tau; tau >= min_tau; tau-=delta_tau) { zero_crossing[i]./ImageMagick/magick/vms.h010064400000240000024000000010020602164600400164670ustar00cristycristy00002330000007#include #include #include #include /* Typedef declarations. */ struct dirent { char d_name[255]; int d_namlen; }; typedef struct _dirdesc { long context; char *pattern; struct dirent entry; struct dsc$descriptor_s pat; } DIR; /* VMS utilities routines. */ extern int access(), chdir(), getcwd(), mktemp(), stat(); extern DIR *opendir(); extern struct dirent *readdir(); extern void closedir(); ./ImageMagick/magick/X.c010064400000240000024000011076020602616706300161120ustar00cristycristy00002330000007/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % % % X X % % X X % % X % % X X % % X X % % % % X11 Utility Routines for ImageMagick. % % % % % % Software Design % % John Cristy % % July 1992 % % % % % % Copyright 1995 E. I. du Pont de Nemours and Company % % % % Permission to use, copy, modify, distribute, and sell this software and % % its documentation for any purpose is hereby granted without fee, % % provided that the above Copyright notice appear in all copies and that % % both that Copyright notice and this permission notice appear in % % supporting documentation, and that the name of E. I. du Pont de Nemours % % and Company not be used in advertising or publicity pertaining to % % distribution of the software without specific, written prior % % permission. E. I. du Pont de Nemours and Company makes no representations % % about the suitability of this software for any purpose. It is provided % % "as is" without express or implied warranty. % % % % E. I. du Pont de Nemours and Company disclaims all warranties with regard % % to this software, including all implied warranties of merchantability % % and fitness, in no event shall E. I. du Pont de Nemours and Company be % % liable for any special, indirect or consequential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, negligence or other tortuous action, arising % % out of or in connection with the use or performance of this software. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ /* Include declarations. */ #include "magick.h" #include "image.h" #include "compress.h" #include "utility.h" #include "X.h" #include "widget.h" /* State declarations. */ #define ControlState 0x0001 #define DefaultState 0x0000 #define ExitState 0x0002 /* Global declarations. */ static unsigned int xerror_alert = False; /* Forward declarations. */ int Latin1Compare _Declare((char *,char *)); static int IntensityCompare _Declare((const void *,const void *)), PopularityCompare _Declare((const void *,const void *)), SceneCompare _Declare((const void *,const void *)); static void XMakeImageLSBFirst _Declare((XResourceInfo *,XWindowInfo *,Image *, XImage *, XImage *)), XMakeImageMSBFirst _Declare((XResourceInfo *,XWindowInfo *,Image *, XImage *, XImage *)); static Window XWindowByProperty _Declare((Display *,Window,Atom)); /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % I s T r u e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function IsTrue returns True if the boolean is "true", "on", "yes" or "1". % % The format of the IsTrue routine is: % % option=IsTrue(boolean) % % A description of each parameter follows: % % o option: either True or False depending on the boolean parameter. % % o boolean: Specifies a pointer to a character array. % % */ unsigned int IsTrue(boolean) char *boolean; { if (boolean == (char *) NULL) return(False); if (Latin1Compare(boolean,"true") == 0) return(True); if (Latin1Compare(boolean,"on") == 0) return(True); if (Latin1Compare(boolean,"yes") == 0) return(True); if (Latin1Compare(boolean,"1") == 0) return(True); return(False); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % L a t i n 1 C o m p a r e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function Latin1Compare compares two null terminated Latin-1 strings, % ignoring case differences, and returns an integer greater than, equal % to, or less than 0, according to whether first is lexicographically % greater than, equal to, or less than second. The two strings are % assumed to be encoded using ISO 8859-1. % % The format of the Latin1Compare routine is: % % Latin1Compare(first,second) % % A description of each parameter follows: % % o first: A pointer to the string to convert to Latin1 string. % % o second: A pointer to the string to convert to Latin1 string. % % */ int Latin1Compare(first,second) char *first, *second; { register unsigned char *p, *q; p=(unsigned char *) first; q=(unsigned char *) second; while ((*p != '\0') && (*q != '\0')) { register unsigned char c, d; c=(*p); d=(*q); if (c != d) { /* Try lowercasing and try again. */ if ((c >= XK_A) && (c <= XK_Z)) c+=(XK_a-XK_A); else if ((c >= XK_Agrave) && (c <= XK_Odiaeresis)) c+=(XK_agrave-XK_Agrave); else if ((c >= XK_Ooblique) && (c <= XK_Thorn)) c+=(XK_oslash-XK_Ooblique); if ((d >= XK_A) && (d <= XK_Z)) d+=(XK_a-XK_A); else if ((d >= XK_Agrave) && (d <= XK_Odiaeresis)) d+=(XK_agrave-XK_Agrave); else if ((d >= XK_Ooblique) && (d <= XK_Thorn)) d+=(XK_oslash-XK_Ooblique); if (c != d) return(((int) c)-((int) d)); } p++; q++; } return(((int) *p)-((int) *q)); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % L a t i n 1 U p p e r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function Latin1Upper copies a null terminated string from source to % destination (including the null), changing all Latin-1 lowercase letters % to uppercase. The string is assumed to be encoded using ISO 8859-1. % % The format of the Latin1Upper routine is: % % Latin1Upper(string) % % A description of each parameter follows: % % o string: A pointer to the string to convert to upper-case Latin1. % % */ static void Latin1Upper(string) char *string; { unsigned char c; c=(*string); while (c != '\0') { if ((c >= XK_a) && (c <= XK_z)) *string=c-(XK_a-XK_A); else if ((c >= XK_agrave) && (c <= XK_odiaeresis)) *string=c-(XK_agrave-XK_Agrave); else if ((c >= XK_oslash) && (c <= XK_thorn)) *string=c-(XK_oslash-XK_Ooblique); string++; c=(*string); } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X A n n o t a t e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XAnnotateImage annotates the image with text. % % The format of the XAnnotateImage routine is: % % status=XAnnotateImage(display,pixel_info,annotate_info,background,image) % % A description of each parameter follows: % % o status: Function XAnnotateImage returns True if the image is % successfully annotated with text. False is returned is there is a % memory shortage. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o pixel_info: Specifies a pointer to a XPixelInfo structure. % % o annotate_info: Specifies a pointer to a XAnnotateInfo structure. % % o background: Specifies whether the background color is included in % the annotation. Must be either True or False; % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % */ unsigned int XAnnotateImage(display,pixel_info,annotate_info,background,image) Display *display; XPixelInfo *pixel_info; XAnnotateInfo *annotate_info; unsigned int background; Image *image; { ColorPacket background_color; GC annotate_context; Image *annotate_image; int x, y; Pixmap annotate_pixmap; register int i; register RunlengthPacket *p, *q; unsigned int depth, height, matte, width; Window root_window; XGCValues context_values; XImage *annotate_ximage; /* Initialize annotated image. */ if (!UncompressImage(image)) return(False); /* Initialize annotated pixmap. */ root_window=XRootWindow(display,XDefaultScreen(display)); depth=XDefaultDepth(display,XDefaultScreen(display)); annotate_pixmap=XCreatePixmap(display,root_window,annotate_info->width, annotate_info->height,(int) depth); if (annotate_pixmap == (Pixmap) NULL) return(False); /* Initialize graphics info. */ context_values.background=0; context_values.foreground=(unsigned long) (~0); context_values.font=annotate_info->font_info->fid; annotate_context=XCreateGC(display,root_window,GCBackground | GCFont | GCForeground,&context_values); if (annotate_context == (GC) NULL) return(False); /* Draw text to pixmap. */ XDrawImageString(display,annotate_pixmap,annotate_context,0, (int) annotate_info->font_info->ascent,annotate_info->text, strlen(annotate_info->text)); XFreeGC(display,annotate_context); /* Initialize annotated X image. */ annotate_ximage=XGetImage(display,annotate_pixmap,0,0,annotate_info->width, annotate_info->height,AllPlanes,ZPixmap); if (annotate_ximage == (XImage *) NULL) return(False); XFreePixmap(display,annotate_pixmap); /* Initialize annotated image. */ annotate_image=AllocateImage((ImageInfo *) NULL); if (annotate_image == (Image *) NULL) return(False); annotate_image->columns=annotate_info->width; annotate_image->rows=annotate_info->height; annotate_image->packets=annotate_image->columns*annotate_image->rows; annotate_image->pixels=(RunlengthPacket *) malloc((unsigned int) image->packets*sizeof(RunlengthPacket)); if (annotate_image->pixels == (RunlengthPacket *) NULL) { DestroyImage(annotate_image); return(False); } /* Transfer annotated X image to image. */ (void) XParseGeometry(annotate_info->geometry,&x,&y,&width,&height); q=image->pixels+y*image->columns+x; background_color.red=q->red; background_color.green=q->green; background_color.blue=q->blue; background_color.index=0; annotate_image->matte=True; p=annotate_image->pixels; for (y=0; y < annotate_image->rows; y++) for (x=0; x < annotate_image->columns; x++) { p->index=(unsigned short) XGetPixel(annotate_ximage,x,y); if (p->index == 0) { /* Set this pixel to the background color. */ p->red=background_color.red; p->green=background_color.green; p->blue=background_color.blue; p->index=Transparent; } else { /* Set this pixel to the pen color. */ p->red=XDownScale(pixel_info->annotate_color.red); p->green=XDownScale(pixel_info->annotate_color.green); p->blue=XDownScale(pixel_info->annotate_color.blue); p->index=Opaque; } p->length=0; p++; } XDestroyImage(annotate_ximage); /* Determine annotate geometry. */ (void) XParseGeometry(annotate_info->geometry,&x,&y,&width,&height); if ((width != annotate_image->columns) || (height != annotate_image->rows)) { char image_geometry[MaxTextLength]; /* Scale image. */ (void) sprintf(image_geometry,"%dx%d!",width,height); TransformImage(&annotate_image,(char *) NULL,image_geometry); } if (annotate_info->degrees != 0.0) { double normalized_degrees; Image *rotated_image; int rotations; /* Rotate image. */ rotated_image=RotateImage(annotate_image,annotate_info->degrees, &background_color,False); if (rotated_image == (Image *) NULL) return(False); DestroyImage(annotate_image); annotate_image=rotated_image; /* Annotation is relative to the degree of rotation. */ normalized_degrees=annotate_info->degrees; while (normalized_degrees < -45.0) normalized_degrees+=360.0; for (rotations=0; normalized_degrees > 45.0; rotations++) normalized_degrees-=90.0; switch (rotations % 4) { default: case 0: break; case 1: { /* Rotate 90 degrees. */ x-=annotate_image->columns >> 1; y+=annotate_image->columns >> 1; break; } case 2: { /* Rotate 180 degrees. */ x-=annotate_image->columns; break; } case 3: { /* Rotate 270 degrees. */ x-=annotate_image->columns >> 1; y-=annotate_image->rows-(annotate_image->columns >> 1); break; } } } /* Composite text onto the image. */ p=annotate_image->pixels; for (i=0; i < annotate_image->packets; i++) { if (p->index != Transparent) p->index=Opaque; p++; } matte=image->matte; CompositeImage(image,OverCompositeOp,annotate_image,x,y); image->matte=matte; DestroyImage(annotate_image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X B e s t F o n t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XBestFont returns the "best" font. "Best" is defined as a font % specified in the X resource database or a font such that the text width % displayed with the font does not exceed the specified maximum width. % % The format of the XBestFont routine is: % % font=XBestFont(display,resource_info,text_font) % % A description of each parameter follows: % % o font: XBestFont returns a pointer to a XFontStruct structure. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o text_font: True is font should be mono-spaced (typewriter style). % % */ char **FontToList(font) char *font; { char **fontlist; register char *p, *q; register int i; unsigned int fonts; if (font == (char *) NULL) return((char **) NULL); /* Convert string to an ASCII list. */ fonts=1; for (p=font; *p != '\0'; p++) if (*p == ':') fonts++; fontlist=(char **) malloc((fonts+1)*sizeof(char *)); if (fontlist == (char **) NULL) { Warning("Unable to convert font","Memory allocation failed"); return((char **) NULL); } p=font; for (i=0; i < fonts; i++) { for (q=p; *q != '\0'; q++) if (*q == ':') break; fontlist[i]=(char *) malloc((q-p+1)*sizeof(char)); if (fontlist[i] == (char *) NULL) { Warning("Unable to convert font","Memory allocation failed"); return((char **) NULL); } (void) strncpy(fontlist[i],p,q-p); fontlist[i][q-p]='\0'; p=q+1; } fontlist[i]=(char *) NULL; return(fontlist); } XFontStruct *XBestFont(display,resource_info,text_font) Display *display; XResourceInfo *resource_info; unsigned int text_font; { static char *Fonts[]= { "-adobe-helvetica-medium-r-normal-*-14-*", "-*-helvetica-medium-r-*-*-14-*", "-*-lucida-medium-r-*-*-14-*", "8x13", "6x13", "fixed", "variable", (char *) NULL }, *TextFonts[]= { "-adobe-courier-medium-r-*-*-14-*", "-*-fixed-medium-r-normal-*-14-*", "-*-fixed-medium-r-*-*-14-*", "8x13", "6x13", "fixed", (char *) NULL }; char *font_name, **p; XFontStruct *font_info; font_info=(XFontStruct *) NULL; font_name=resource_info->font; if (text_font) font_name=resource_info->text_font; if (font_name != (char *) NULL) { char **fontlist; register int i; /* Load preferred font specified in the X resource database. */ fontlist=FontToList(font_name); if (fontlist != (char **) NULL) { for (i=0; fontlist[i] != (char *) NULL; i++) { if (font_info == (XFontStruct *) NULL) font_info=XLoadQueryFont(display,fontlist[i]); free((char *) fontlist[i]); } free((char *) fontlist); } if (font_info == (XFontStruct *) NULL) Warning("Unable to load font",font_name); } /* Load fonts from list of fonts until one is found. */ p=Fonts; if (text_font) p=TextFonts; while (*p != (char *) NULL) { if (font_info != (XFontStruct *) NULL) break; font_info=XLoadQueryFont(display,*p); p++; } return(font_info); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X B e s t I c o n S i z e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XBestIconSize returns the "best" icon size. "Best" is defined as % an icon size that maintains the aspect ratio of the image. If the window % manager has preferred icon sizes, one of the preferred sizes is used. % % The format of the XBestIconSize routine is: % % XBestIconSize(display,window,image) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % */ void XBestIconSize(display,window,image) Display *display; XWindowInfo *window; Image *image; { #define MaxIconSize 96 int i, number_sizes; unsigned int height, icon_height, icon_width, width; unsigned long scale_factor; Window root_window; XIconSize *icon_size, *size_list; /* Determine if the window manager has specified preferred icon sizes. */ window->width=MaxIconSize; window->height=MaxIconSize; icon_size=(XIconSize *) NULL; number_sizes=0; root_window=XRootWindow(display,window->screen); if (XGetIconSizes(display,root_window,&size_list,&number_sizes) != 0) if ((number_sizes > 0) && (size_list != (XIconSize *) NULL)) icon_size=size_list; if (icon_size == (XIconSize *) NULL) { /* Window manager does not restrict icon size. */ icon_size=XAllocIconSize(); if (icon_size == (XIconSize *) NULL) { Warning("Unable to choose best icon size","Memory allocation failed"); return; } icon_size->min_width=1; icon_size->max_width=MaxIconSize; icon_size->min_height=1; icon_size->max_height=MaxIconSize; icon_size->width_inc=1; icon_size->height_inc=1; } /* Determine aspect ratio of image. */ width=image->columns; height=image->rows; if (window->crop_geometry) (void) XParseGeometry(window->crop_geometry,&i,&i,&width,&height); /* Look for an icon size that maintains the aspect ratio of image. */ scale_factor=UpShift(icon_size->max_width)/width; if (scale_factor > (UpShift(icon_size->max_height)/height)) scale_factor=UpShift(icon_size->max_height)/height; icon_width=icon_size->min_width; while (icon_width < icon_size->max_width) { if (icon_width >= (DownShift(width*scale_factor))) break; icon_width+=icon_size->width_inc; } icon_height=icon_size->min_height; while (icon_height < icon_size->max_height) { if (icon_height >= (DownShift(height*scale_factor))) break; icon_height+=icon_size->height_inc; } XFree((void *) icon_size); window->width=icon_width; window->height=icon_height; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X B e s t P i x e l % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XBestPixel returns a pixel from an array of pixels that is closest % to the requested color. If the color array is NULL, the colors are obtained % from the X server. % % The format of the XBestPixel routine is: % % pixel=XBestPixel(display,colormap,colors,number_colors,color) % % A description of each parameter follows: % % o pixel: XBestPixel returns the pixel value closest to the requested % color. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o colormap: Specifies the ID of the X server colormap. % % o colors: Specifies an array of XColor structures. % % o number_colors: Specifies the number of XColor structures in the % color definition array. % % o color: Specifies the desired RGB value to find in the colors array. % % */ void XBestPixel(display,colormap,colors,number_colors,color) Display *display; Colormap colormap; XColor *colors; unsigned int number_colors; XColor *color; { double distance_squared, min_distance; int distance, query_server, status; register int i, j; /* Find closest representation for the requested RGB color. */ status=XAllocColor(display,colormap,color); if (status != 0) return; query_server=colors == (XColor *) NULL; if (query_server) { /* Read X server colormap. */ colors=(XColor *) malloc(number_colors*sizeof(XColor)); if (colors == (XColor *) NULL) Error("Unable to read X server colormap","Memory allocation failed"); for (i=0; i < number_colors; i++) colors[i].pixel=(unsigned long) i; if (number_colors > 256) number_colors=256; XQueryColors(display,colormap,colors,number_colors); } min_distance=3.0*65536.0*65536.0; color->pixel=colors[0].pixel; j=0; for (i=0; i < number_colors; i++) { distance=(int) colors[i].red-(int) color->red; distance_squared=(unsigned int) (distance*distance); distance=(int) colors[i].green-(int) color->green; distance_squared+=(unsigned int) (distance*distance); distance=(int) colors[i].blue-(int) color->blue; distance_squared+=(unsigned int) (distance*distance); if (distance_squared < min_distance) { min_distance=distance_squared; color->pixel=colors[i].pixel; j=i; } } (void) XAllocColor(display,colormap,&colors[j]); if (query_server) free((char *) colors); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X B e s t V i s u a l I n f o % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XBestVisualInfo returns visual information for a visual that is % the "best" the server supports. "Best" is defined as: % % 1. Restrict the visual list to those supported by the default screen. % % 2. If a visual type is specified, restrict the visual list to those of % that type. % % 3. If a map type is specified, choose the visual that matches the id % specified by the Standard Colormap. % % 4 From the list of visuals, choose one that can display the most % simultaneous colors. If more than one visual can display the same % number of simultaneous colors, one is choosen based on a rank. % % The format of the XBestVisualInfo routine is: % % visual_info=XBestVisualInfo(display,map_info,resource_info) % % A description of each parameter follows: % % o visual_info: XBestVisualInfo returns a pointer to a X11 XVisualInfo % structure. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o map_info: If map_type is specified, this structure is initialized % with info from the Standard Colormap. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % */ XVisualInfo *XBestVisualInfo(display,map_info,resource_info) Display *display; XStandardColormap *map_info; XResourceInfo *resource_info; { #define MaxStandardColormaps 7 #define XVisualColormapSize(visual_info) \ ((visual_info->class == TrueColor) || (visual_info->class == DirectColor) ? \ visual_info->red_mask | visual_info->green_mask | visual_info->blue_mask : \ visual_info->colormap_size) char *map_type, *visual_type; int number_visuals; register int i; unsigned int visual_mask; XVisualInfo *visual_info, *visual_list, visual_template; /* Restrict visual search by screen number. */ map_type=resource_info->map_type; visual_type=resource_info->visual_type; visual_mask=VisualScreenMask; visual_template.screen=XDefaultScreen(display); if (visual_type != (char *) NULL) { /* Restrict visual search by class or visual id. */ if (Latin1Compare("staticgray",visual_type) == 0) { visual_mask|=VisualClassMask; visual_template.class=StaticGray; } else if (Latin1Compare("grayscale",visual_type) == 0) { visual_mask|=VisualClassMask; visual_template.class=GrayScale; } else if (Latin1Compare("staticcolor",visual_type) == 0) { visual_mask|=VisualClassMask; visual_template.class=StaticColor; } else if (Latin1Compare("pseudocolor",visual_type) == 0) { visual_mask|=VisualClassMask; visual_template.class=PseudoColor; } else if (Latin1Compare("truecolor",visual_type) == 0) { visual_mask|=VisualClassMask; visual_template.class=TrueColor; } else if (Latin1Compare("directcolor",visual_type) == 0) { visual_mask|=VisualClassMask; visual_template.class=DirectColor; } else if (Latin1Compare("default",visual_type) == 0) { visual_mask|=VisualIDMask; visual_template.visualid=XVisualIDFromVisual( XDefaultVisual(display,XDefaultScreen(display))); } else if (isdigit(*visual_type)) { visual_mask|=VisualIDMask; visual_template.visualid= strtol(visual_type,(char **) NULL,0); } else Warning("Invalid visual specifier",visual_type); } /* Get all visuals that meet our criteria so far. */ number_visuals=0; visual_list=XGetVisualInfo(display,visual_mask,&visual_template, &number_visuals); visual_mask=VisualScreenMask | VisualIDMask; if ((number_visuals == 0) || (visual_list == (XVisualInfo *) NULL)) { /* Failed to get visual; try using the default visual. */ Warning("Unable to get visual",visual_type); visual_template.visualid= XVisualIDFromVisual(XDefaultVisual(display,XDefaultScreen(display))); visual_list=XGetVisualInfo(display,visual_mask,&visual_template, &number_visuals); if ((number_visuals == 0) || (visual_list == (XVisualInfo *) NULL)) return((XVisualInfo *) NULL); Warning("Using default visual",XVisualClassName(visual_list->class)); } resource_info->color_recovery=False; if (map_type != (char *) NULL) { Atom map_property; char map_name[MaxTextLength]; int j, number_maps, status; Window root_window; XStandardColormap *map_list; /* Choose a visual associated with a standard colormap. */ root_window=XRootWindow(display,XDefaultScreen(display)); status=0; if (strcmp(map_type,"list") != 0) { /* User specified Standard Colormap. */ (void) sprintf((char *) map_name,"RGB_%s_MAP",map_type); Latin1Upper(map_name); map_property=XInternAtom(display,(char *) map_name,True); if (map_property == (Atom) NULL) Error("Unable to get Standard Colormap",map_type); status=XGetRGBColormaps(display,root_window,&map_list,&number_maps, map_property); } else { static char *colormap[]= { "_HP_RGB_SMOOTH_MAP_LIST", "RGB_BEST_MAP", "RGB_DEFAULT_MAP", "RGB_GRAY_MAP", "RGB_RED_MAP", "RGB_GREEN_MAP", "RGB_BLUE_MAP", }; /* Choose a standard colormap from a list. */ for (i=0; i < MaxStandardColormaps; i++) { map_property=XInternAtom(display,colormap[i],True); if (map_property == (Atom) NULL) continue; status=XGetRGBColormaps(display,root_window,&map_list,&number_maps, map_property); if (status != 0) break; } resource_info->color_recovery=(i == 0); /* _HP_RGB_SMOOTH_MAP_LIST */ } if (status == 0) Error("Unable to get Standard Colormap",map_type); /* Search all Standard Colormaps and visuals for ids that match. */ *map_info=map_list[0]; #ifndef PRE_R4_ICCCM visual_template.visualid=XVisualIDFromVisual(visual_list[0].visual); for (i=0; i < number_maps; i++) for (j=0; j < number_visuals; j++) if (map_list[i].visualid == XVisualIDFromVisual(visual_list[j].visual)) { *map_info=map_list[i]; visual_template.visualid= XVisualIDFromVisual(visual_list[j].visual); break; } if (map_info->visualid != visual_template.visualid) Error("Unable to match visual to Standard Colormap",map_type); #endif if (map_info->colormap == (Colormap) NULL) Error("Standard Colormap is not initialized",map_type); XFree((void *) map_list); } else { static unsigned int rank[]= { StaticGray, GrayScale, StaticColor, DirectColor, TrueColor, PseudoColor }; XVisualInfo *p; /* Pick one visual that displays the most simultaneous colors. */ visual_info=visual_list; p=visual_list; for (i=1; i < number_visuals; i++) { p++; if (XVisualColormapSize(p) > XVisualColormapSize(visual_info)) visual_info=p; else if (XVisualColormapSize(p) == XVisualColormapSize(visual_info)) if (rank[p->class] > rank[visual_info->class]) visual_info=p; } visual_template.visualid=XVisualIDFromVisual(visual_info->visual); } XFree((void *) visual_list); /* Retrieve only one visual by its screen & id number. */ visual_info=XGetVisualInfo(display,visual_mask,&visual_template, &number_visuals); if ((number_visuals == 0) || (visual_info == (XVisualInfo *) NULL)) return((XVisualInfo *) NULL); return(visual_info); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X C h e c k R e f r e s h W i n d o w s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XCheckRefreshWindows checks the X server for exposure events for % a particular window and updates the area associated withe exposure event. % % The format of the XCheckRefreshWindows routine is: % % XCheckRefreshWindows(display,windows) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o windows: Specifies a pointer to a XWindows structure. % % */ void XCheckRefreshWindows(display,windows) Display *display; XWindows *windows; { XEvent event; XDelay(display,SuspendTime); while (XCheckTypedWindowEvent(display,windows->command.id,Expose,&event)) (void) XCommandWidget(display,windows,(char **) NULL,&event); while (XCheckTypedWindowEvent(display,windows->image.id,Expose,&event)) XRefreshWindow(display,&windows->image,&event); XDelay(display,SuspendTime << 1); while (XCheckTypedWindowEvent(display,windows->command.id,Expose,&event)) (void) XCommandWidget(display,windows,(char **) NULL,&event); while (XCheckTypedWindowEvent(display,windows->image.id,Expose,&event)) XRefreshWindow(display,&windows->image,&event); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X C l i e n t M e s s a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XClientMessage sends a message to a window with XSendEvent. The % message is initialized with a particular protocol type and atom. % % The format of the XClientMessage function is: % % XClientMessage(display,window,protocol,message,timestamp) % % A description of each parameter follows: % % o display: Specifies a pointer to the Display structure; returned from % XOpenDisplay. % % o window: Specifies a pointer to a Window structure. % % o protocol: Specifies an atom value. % % o message: Specifies an atom value which is the message to send. % % o timestamp: Specifies a value of type Time. % % */ void XClientMessage(display,window,protocol,message,timestamp) Display *display; Window window; Atom protocol, message; Time timestamp; { XClientMessageEvent client_event; client_event.type=ClientMessage; client_event.window=window; client_event.message_type=protocol; client_event.format=32; client_event.data.l[0]=message; client_event.data.l[1]=timestamp; XSendEvent(display,window,False,NoEventMask,(XEvent *) &client_event); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X C l i e n t W i n d o w % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XClientWindow finds a window, at or below the specified window, % which has a WM_STATE property. If such a window is found, it is returned, % otherwise the argument window is returned. % % The format of the XClientWindow function is: % % client_window=XClientWindow(display,target_window) % % A description of each parameter follows: % % o client_window: XClientWindow returns a window, at or below the specified % window, which has a WM_STATE property otherwise the argument % target_window is returned. % % o display: Specifies a pointer to the Display structure; returned from % XOpenDisplay. % % o target_window: Specifies the window to find a WM_STATE property. % % */ Window XClientWindow(display,target_window) Display *display; Window target_window; { Atom state, type; int format, status; unsigned char *data; unsigned long after, number_items; Window client_window; state=XInternAtom(display,"WM_STATE",True); if (state == (Atom) NULL) return(target_window); type=(Atom) NULL; status=XGetWindowProperty(display,target_window,state,0L,0L,False, (Atom) AnyPropertyType,&type,&format,&number_items,&after,&data); if ((status == Success) && (type != (Atom) NULL)) return(target_window); client_window=XWindowByProperty(display,target_window,state); if (client_window == (Window) NULL) return(target_window); return(client_window); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X C o n s t r a i n W i n d o w P o s i t i o n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XConstrainWindowPosition % % The format of the XConstrainWindowPosition routine is: % % XConstrainWindowPosition(display,window_info) % % A description of each parameter follows: % % o display: Specifies a pointer to the Display structure; returned from % XOpenDisplay. % % o window_info: Specifies a pointer to a XWindowInfo structure. % % */ void XConstrainWindowPosition(display,window_info) Display *display; XWindowInfo *window_info; { unsigned int limit; limit=XDisplayWidth(display,window_info->screen)-window_info->width; if (window_info->x < 0) window_info->x=0; else if (window_info->x > limit) window_info->x=limit; limit=XDisplayHeight(display,window_info->screen)-window_info->height; if (window_info->y < 0) window_info->y=0; else if (window_info->y > limit) window_info->y=limit; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X D e l a y % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XDelay suspends program execution for the number of milliseconds % specified. % % The format of the Delay routine is: % % XDelay(display,milliseconds) % % A description of each parameter follows: % % o display: Specifies a pointer to the Display structure; returned from % XOpenDisplay. % % o milliseconds: Specifies the number of milliseconds to delay before % returning. % % */ void XDelay(display,milliseconds) Display *display; unsigned long milliseconds; { (void) XFlush(display); if (milliseconds == 0) return; #ifndef vms #ifdef sysv { #include (void) poll((struct pollfd *) NULL,0,(int) milliseconds); } #else { struct timeval timer; timer.tv_sec=milliseconds/1000; timer.tv_usec=(milliseconds % 1000)*1000; (void) select(0,(XFD_SET *) NULL,(XFD_SET *) NULL,(XFD_SET *) NULL,&timer); } #endif #else { float timer; timer=milliseconds/1000.0; lib$wait(&timer); } #endif } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X D e s t r o y W i n d o w C o l o r s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XDestroyWindowColors frees X11 color resources previously saved on % a window by XRetainWindowColors or programs like xsetroot. % % The format of the XDestroyWindowColors routine is: % % XDestroyWindowColors(display,window) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o window: Specifies a pointer to a Window structure. % % */ void XDestroyWindowColors(display,window) Display *display; Window window; { Atom property, type; int format, status; unsigned char *data; unsigned long after, length; /* If there are previous resources on the root window, destroy them. */ property=XInternAtom(display,"_XSETROOT_ID",False); if (property == (Atom) NULL) { Warning("Unable to create X property","_XSETROOT_ID"); return; } status=XGetWindowProperty(display,window,property,0L,1L,True, (Atom) AnyPropertyType,&type,&format,&length,&after,&data); if (status != Success) return; if ((type == XA_PIXMAP) && (format == 32) && (length == 1) && (after == 0)) { XKillClient(display,(XID) (*((Pixmap *) data))); XDeleteProperty(display,window,property); } if (type != None) XFree((void *) data); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X D i s p l a y I m a g e I n f o % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XDisplayImageInfo displays information about an X image. % % The format of the XDisplayImageInfo routine is: % % XDisplayImageInfo(display,resource_info,windows,image) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o windows: Specifies a pointer to a XWindows structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % */ void XDisplayImageInfo(display,resource_info,windows,image) Display *display; XResourceInfo *resource_info; XWindows *windows; Image *image; { char *text, **textlist, title[MaxTextLength]; int length; Image *p; unsigned int count; /* Display information about the image in the Text View widget. */ length=11*MaxTextLength; if (image->directory != (char *) NULL) length+=strlen(image->directory); if (image->comments != (char *) NULL) length+=strlen(image->comments); text=(char *) malloc(length*sizeof(char)); if (text == (char *) NULL) { XNoticeWidget(display,windows,"Unable to display image info:", "Memory allocation failed"); return; } (void) sprintf(title," Image Info: %s",image->filename); (void) sprintf(text,"X\n visual: %s\n", XVisualClassName(windows->image.class)); (void) sprintf(text,"%s depth: %d\n",text,windows->image.ximage->depth); if (windows->image.visual_info->colormap_size != 0) (void) sprintf(text,"%s colormap size: %d\n",text, windows->image.visual_info->colormap_size); if (resource_info->colormap== SharedColormap) (void) strcat(text," colormap type: Shared\n"); else (void) strcat(text," colormap type: Private\n"); (void) sprintf(text,"%s geometry: %dx%d\n",text, windows->image.ximage->width,windows->image.ximage->height); if (windows->image.crop_geometry != (char *) NULL) (void) sprintf(text,"%s crop geometry: %s\n",text, windows->image.crop_geometry); if (windows->image.pixmap == (Pixmap) NULL) (void) strcat(text," type: X Image\n"); else (void) strcat(text," type: Pixmap\n"); if (windows->image.shared_memory) (void) strcat(text," shared memory: True\n"); else (void) strcat(text," shared memory: False\n"); (void) strcat(text,"\n"); (void) sprintf(text,"%sImage\n file: %s\n",text,image->filename); if (image->class == DirectClass) (void) strcat(text," class: DirectClass\n"); else (void) strcat(text," class: PseudoClass\n"); if (image->class == PseudoClass) if (image->total_colors <= image->colors) (void) sprintf(text,"%s colors: %u\n",text,image->colors); else (void) sprintf(text,"%s colors: %lu=>%u\n",text,image->total_colors, image->colors); if (image->signature != (char *) NULL) (void) sprintf(text,"%s signature: %s\n",text,image->signature); if (image->matte) (void) strcat(text," matte: True\n"); else (void) strcat(text," matte: False\n"); if (image->packets < (image->columns*image->rows)) (void) sprintf(text,"%s runlength packets: %u of %u\n",text,image->packets, image->columns*image->rows); (void) sprintf(text,"%s geometry: %ux%u\n",text, image->columns,image->rows); (void) sprintf(text,"%s depth: %u\n",text,image->depth); if (image->filesize != 0) (void) sprintf(text,"%s bytes: %ld\n",text,image->filesize); (void) sprintf(text,"%s format: %s\n",text,image->magick); p=image; while (p->previous != (Image *) NULL) p=p->previous; for (count=1; p->next != (Image *) NULL; count++) p=p->next; if (count > 1) (void) sprintf(text,"%s scene: %u of %u\n",text,image->scene,count); else if (image->scene != 0) (void) sprintf(text,"%s scene: %u\n",text,image->scene); if (image->montage != (char *) NULL) (void) sprintf(text,"%s montage: %s\n",text,image->montage); if (image->directory != (char *) NULL) (void) sprintf(text,"%s directory:\n\n%s\n",text,image->directory); if (image->label != (char *) NULL) (void) sprintf(text,"%s label: %s\n",text,image->label); if (image->comments != (char *) NULL) (void) sprintf(text,"%s comments:\n\n%s",text,image->comments); textlist=StringToList(text); if (textlist != (char **) NULL) { register int i; XTextViewWidget(display,resource_info,windows,True,title,textlist); for (i=0; textlist[i] != (char *) NULL; i++) free((char *) textlist[i]); free((char *) textlist); } free((char *) text); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % X D i t h e r I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XDitherImage dithers the reference image as required by the HP % Color Recovery algorithm. The color values are quantized to 3 bits of red % and green, and 2 bits of blue (3/3/2) and can be used as indices into a % 8-bit X standard colormap. % % The format of the XDitherImage routine is: % % XDitherImage(image,ximage) % % A description of each parameter follows: % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % o ximage: Specifies a pointer to a XImage structure; returned from % XCreateImage. % % */ static void XDitherImage(image,ximage) Image *image; XImage *ximage; { static short int dither_red[2][16]= { {-16, 4, -1, 11,-14, 6, -3, 9,-15, 5, -2, 10,-13, 7, -4, 8}, { 15, -5, 0,-12, 13, -7, 2,-10, 14, -6, 1,-11, 12, -8, 3, -9} }, dither_green[2][16]= { { 11,-15, 7, -3, 8,-14, 4, -2, 10,-16, 6, -4, 9,-13, 5, -1}, {-12, 14, -8, 2, -9, 13, -5, 1,-11, 15, -7, 3,-10, 12, -6, 0} }, dither_blue[2][16]= { { -3, 9,-13, 7, -1, 11,-15, 5, -4, 8,-14, 6, -2, 10,-16, 4}, { 2,-10, 12, -8, 0,-12, 14, -6, 3, -9, 13, -7, 1,-11, 15, -5} }; ColorPacket color; int value, y; register char *q; register int i, j, x; register RunlengthPacket *p; unsigned char *blue_map[2][16], *green_map[2][16], *red_map[2][16]; unsigned int scanline_pad; register unsigned long pixel; if (!UncompressImage(image)) return; /* Allocate and initialize dither maps. */ for (i=0; i < 2; i++) for (j=0; j < 16; j++) { red_map[i][j]=(unsigned char *) malloc(256*sizeof(unsigned char)); green_map[i][j]=(unsigned char *) malloc(256*sizeof(unsigned char)); blue_map[i][j]=(unsigned char *) malloc(256*sizeof(unsigned char)); if ((red_map[i][j] == (unsigned char *) NULL) || (green_map[i][j] == (unsigned char *) NULL) || (blue_map[i][j] == (unsigned char *) NULL)) { Warning("Unable to dither image","Memory allocation failed"); return; } } /* Initialize dither tables. */ for (i=0; i < 2; i++) for (j=0; j < 16; j++) for (x=0; x < 256; x++) { value=x-16; if (x < 48) value=x/2+8; value+=dither_red[i][j]; if (value < 0) value=0; else if (value > MaxRGB) value=MaxRGB; red_map[i][j][x]=value; value=x-16; if (x < 48) value=x/2+8; value+=dither_green[i][j]; if (value < 0) value=0; else if (value > MaxRGB) value=MaxRGB; green_map[i][j][x]=value; value=x-32; if (x < 112) value=x/2+24; value+=(dither_blue[i][j] << 1); if (value < 0) value=0; else if (value > MaxRGB) value=MaxRGB; blue_map[i][j][x]=value; } /* Dither image. */ scanline_pad=ximage->bytes_per_line- ((ximage->width*ximage->bits_per_pixel) >> 3); i=0; j=0; p=image->pixels; q=ximage->data; for (y=0; y < image->rows; y++) { for (x=0; x < image->columns; x++) { color.red=red_map[i][j][p->red]; color.green=green_map[i][j][p->green]; color.blue=blue_map[i][j][p->blue]; pixel=((color.red & 0xe0) | ((unsigned char) (color.green & 0xe0) >> 3) | ((unsigned char) (color.blue & 0xc0) >> 6)); *q++=(unsigned char) pixel; p++; j++; if (j == 16) j=0; } q+=scanline_pad; i++; if (i == 2) i=0; } /* Free allocated memory. */ for (i=0; i < 2; i++) for (j=0; j < 16; j++) { free((char *) green_map[i][j]); free((char *) blue_map[i][j]); free((char *) red_map[i][j]); } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X D r a w I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XDrawImage draws a line on the image. % % The format of the XDrawImage routine is: % % status=XDrawImage(display,pixel_info,draw_info,image) % % A description of each parameter follows: % % o status: Function XDrawImage returns True if the image is % successfully drawd with text. False is returned is there is a % memory shortage. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o pixel_info: Specifies a pointer to a XPixelInfo structure. % % o draw_info: Specifies a pointer to a XDrawInfo structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % */ unsigned int XDrawImage(display,pixel_info,draw_info,image) Display *display; XPixelInfo *pixel_info; XDrawInfo *draw_info; Image *image; { ColorPacket background_color; GC draw_context; Image *draw_image; int x, y; Pixmap draw_pixmap; register int i; register RunlengthPacket *p, *q; unsigned int depth, height, matte, width; Window root_window; XGCValues context_values; XImage *draw_ximage; /* Initialize drawd image. */ if (!UncompressImage(image)) return(False); /* Initialize drawd pixmap. */ root_window=XRootWindow(display,XDefaultScreen(display)); depth=XDefaultDepth(display,XDefaultScreen(display)); draw_pixmap=XCreatePixmap(display,root_window,draw_info->width, draw_info->height,(int) depth); if (draw_pixmap == (Pixmap) NULL) return(False); /* Initialize graphics info. */ context_values.background=(unsigned long) (~0); context_values.foreground=0; context_values.line_width=draw_info->line_width; draw_context=XCreateGC(display,root_window,GCBackground | GCForeground | GCLineWidth,&context_values); if (draw_context == (GC) NULL) return(False); /* Clear pixmap. */ XFillRectangle(display,draw_pixmap,draw_context,0,0,draw_info->width, draw_info->height); /* Draw line to pixmap. */ XSetBackground(display,draw_context,0); XSetForeground(display,draw_context,(unsigned long) (~0)); switch (draw_info->primitive) { case LinePrimitive: default: { XDrawLine(display,draw_pixmap,draw_context,draw_info->line_info.x1, draw_info->line_info.y1,draw_info->line_info.x2, draw_info->line_info.y2); break; } case RectanglePrimitive: { XDrawRectangle(display,draw_pixmap,draw_context, draw_info->rectangle_info.x,draw_info->rectangle_info.y, draw_info->rectangle_info.width,draw_info->rectangle_info.height); break; } case FillRectanglePrimitive: { XFillRectangle(display,draw_pixmap,draw_context, draw_info->rectangle_info.x,draw_info->rectangle_info.y, draw_info->rectangle_info.width,draw_info->rectangle_info.height); break; } } XFreeGC(display,draw_context); /* Initialize X image. */ draw_ximage=XGetImage(display,draw_pixmap,0,0,draw_info->width, draw_info->height,AllPlanes,ZPixmap); if (draw_ximage == (XImage *) NULL) return(False); XFreePixmap(display,draw_pixmap); /* Initialize drawd image. */ draw_image=AllocateImage((ImageInfo *) NULL); if (draw_image == (Image *) NULL) return(False); draw_image->columns=draw_info->width; draw_image->rows=draw_info->height; draw_image->packets=draw_image->columns*draw_image->rows; draw_image->pixels=(RunlengthPacket *) malloc((unsigned int) image->packets*sizeof(RunlengthPacket)); if (draw_image->pixels == (RunlengthPacket *) NULL) { DestroyImage(draw_image); return(False); } /* Transfer drawd X image to image. */ (void) XParseGeometry(draw_info->geometry,&x,&y,&width,&height); q=image->pixels+y*image->columns+x; background_color.red=q->red; background_color.green=q->green; background_color.blue=q->blue; background_color.index=0; draw_image->matte=True; p=draw_image->pixels; for (y=0; y < draw_image->rows; y++) for (x=0; x < draw_image->columns; x++) { p->index=(unsigned short) XGetPixel(draw_ximage,x,y); if (p->index == 0) { /* Set this pixel to the background color. */ p->red=background_color.red; p->green=background_color.green; p->blue=background_color.blue; p->index=Transparent; } else { /* Set this pixel to the pen color. */ p->red=XDownScale(pixel_info->annotate_color.red); p->green=XDownScale(pixel_info->annotate_color.green); p->blue=XDownScale(pixel_info->annotate_color.blue); p->index=Opaque; } p->length=0; p++; } XDestroyImage(draw_ximage); /* Determine draw geometry. */ (void) XParseGeometry(draw_info->geometry,&x,&y,&width,&height); if ((width != draw_image->columns) || (height != draw_image->rows)) { Image *scaled_image; /* Scale image. */ scaled_image=ScaleImage(draw_image,width,height); if (scaled_image != (Image *) NULL) { DestroyImage(draw_image); draw_image=scaled_image; } } if (draw_info->degrees != 0.0) { double normalized_degrees; Image *rotated_image; int rotations; /* Rotate image. */ rotated_image=RotateImage(draw_image,draw_info->degrees, &background_color,False); if (rotated_image == (Image *) NULL) return(False); DestroyImage(draw_image); draw_image=rotated_image; /* Annotation is relative to the degree of rotation. */ normalized_degrees=draw_info->degrees; while (normalized_degrees < -45.0) normalized_degrees+=360.0; for (rotations=0; normalized_degrees > 45.0; rotations++) normalized_degrees-=90.0; switch (rotations % 4) { default: case 0: break; case 1: { /* Rotate 90 degrees. */ x-=draw_image->columns >> 1; y+=draw_image->columns >> 1; break; } case 2: { /* Rotate 180 degrees. */ x-=draw_image->columns; break; } case 3: { /* Rotate 270 degrees. */ x-=draw_image->columns >> 1; y-=draw_image->rows-(draw_image->columns >> 1); break; } } } /* Composite text onto the image. */ p=draw_image->pixels; for (i=0; i < draw_image->packets; i++) { if (p->index != Transparent) p->index=Opaque; p++; } matte=image->matte; CompositeImage(image,OverCompositeOp,draw_image,x,y); image->matte=matte; DestroyImage(draw_image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X E r r o r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XError ignores BadWindow errors for XQueryTree and % XGetWindowAttributes, and ignores BadDrawable errors for XGetGeometry, and % ignores BadValue errors for XQueryColor. It returns False in those cases. % Otherwise it returns True. % % The format of the XError function is: % % XError(display,error) % % A description of each parameter follows: % % o display: Specifies a pointer to the Display structure; returned from % XOpenDisplay. % % o error: Specifies the error event. % % */ int XError(display,error) Display *display; XErrorEvent *error; { xerror_alert=True; switch (error->request_code) { case X_GetGeometry: { if (error->error_code == BadDrawable) return(False); break; } case X_GetWindowAttributes: case X_QueryTree: { if (error->error_code == BadWindow) return(False); break; } case X_QueryColors: { if (error->error_code == BadValue) return(False); break; } } return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X F r e e R e s o u r c e s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XFreeResources frees X11 resources. % % The format of the XFreeResources routine is: % % XFreeResources(display,visual_info,map_info,pixel_info,font_info, % resource_info,window_info) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o visual_info: Specifies a pointer to a X11 XVisualInfo structure; % returned from XGetVisualInfo. % % o map_info: If map_type is specified, this structure is initialized % with info from the Standard Colormap. % % o pixel_info: Specifies a pointer to a XPixelInfo structure. % % o font_info: Specifies a pointer to a XFontStruct structure. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o window_info: Specifies a pointer to a X11 XWindowInfo structure. % % */ void XFreeResources(display,visual_info,map_info,pixel_info,font_info, resource_info,window_info) Display *display; XVisualInfo *visual_info; XStandardColormap *map_info; XPixelInfo *pixel_info; XFontStruct *font_info; XResourceInfo *resource_info; XWindowInfo *window_info; { if (window_info != (XWindowInfo *) NULL) { /* Free X image. */ if (window_info->ximage != (XImage *) NULL) XDestroyImage(window_info->ximage); if (window_info->id != (Window) NULL) { /* Free destroy window and free cursors. */ if (window_info->id != XRootWindow(display,visual_info->screen)) XDestroyWindow(display,window_info->id); if (window_info->annotate_context != (GC) NULL) XFreeGC(display,window_info->annotate_context); if (window_info->highlight_context != (GC) NULL) XFreeGC(display,window_info->highlight_context); if (window_info->widget_context != (GC) NULL) XFreeGC(display,window_info->widget_context); XFreeCursor(display,window_info->cursor); XFreeCursor(display,window_info->busy_cursor); } } /* Free font. */ if (font_info != (XFontStruct *) NULL) XFreeFont(display,font_info); if (map_info != (XStandardColormap *) NULL) { /* Free X Standard Colormap. */ if (resource_info->map_type == (char *) NULL) XFreeStandardColormap(display,visual_info,map_info,pixel_info); XFree((void *) map_info); } /* Free X visual info. */ if (visual_info != (XVisualInfo *) NULL) XFree((void *) visual_info); XCloseDisplay(display); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X F r e e S t a n d a r d C o l o r m a p % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XFreeStandardColormap frees an X11 colormap. % % The format of the XFreeStandardColormap routine is: % % XFreeStandardColormap(display,visual_info,map_info,pixel_info) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o visual_info: Specifies a pointer to a X11 XVisualInfo structure; % returned from XGetVisualInfo. % % o map_info: If map_type is specified, this structure is initialized % with info from the Standard Colormap. % % o pixel_info: Specifies a pointer to a XPixelInfo structure. % % */ void XFreeStandardColormap(display,visual_info,map_info,pixel_info) Display *display; XVisualInfo *visual_info; XStandardColormap *map_info; XPixelInfo *pixel_info; { /* Free colormap. */ XFlush(display); if (map_info->colormap != (Colormap) NULL) if (map_info->colormap != XDefaultColormap(display,visual_info->screen)) XFreeColormap(display,map_info->colormap); else if (pixel_info != (XPixelInfo *) NULL) if ((visual_info->class != TrueColor) && (visual_info->class != DirectColor)) XFreeColors(display,map_info->colormap,pixel_info->pixels, (int) pixel_info->colors,0); map_info->colormap=(Colormap) NULL; if (pixel_info != (XPixelInfo *) NULL) { if (pixel_info->pixels != (unsigned long *) NULL) free((char *) pixel_info->pixels); pixel_info->pixels=(unsigned long *) NULL; } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X G e t A n n o t a t e I n f o % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XGetAnnotateInfo initializes the AnnotateInfo structure. % % The format of the GetAnnotateInfo routine is: % % XGetAnnotateInfo(image_info) % % A description of each parameter follows: % % o annotate_info: Specifies a pointer to a XAnnotateInfo structure. % % */ void XGetAnnotateInfo(annotate_info) XAnnotateInfo *annotate_info; { /* Initialize annotate structure. */ annotate_info->x=0; annotate_info->y=0; annotate_info->width=0; annotate_info->height=0; annotate_info->degrees=0.0; annotate_info->font_info=(XFontStruct *) NULL; annotate_info->text=(char *) NULL; *annotate_info->geometry='\0'; annotate_info->previous=(XAnnotateInfo *) NULL; annotate_info->next=(XAnnotateInfo *) NULL; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X G e t M a p I n f o % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XGetMapInfo initializes the XStandardColormap structure. % % The format of the XStandardColormap routine is: % % XGetMapInfo(visual_info,colormap,map_info) % % A description of each parameter follows: % % o colormap: Specifies the ID of the X server colormap. % % o visual_info: Specifies a pointer to a X11 XVisualInfo structure; % returned from XGetVisualInfo. % % o map_info: Specifies a pointer to a X11 XStandardColormap structure. % % */ void XGetMapInfo(visual_info,colormap,map_info) XVisualInfo *visual_info; Colormap colormap; XStandardColormap *map_info; { /* Initialize map info. */ map_info->colormap=colormap; map_info->red_max=visual_info->red_mask; map_info->red_mult=map_info->red_max != 0 ? 1 : 0; if (map_info->red_max != 0) while ((map_info->red_max & 0x01) == 0) { map_info->red_max>>=1; map_info->red_mult<<=1; } map_info->green_max=visual_info->green_mask; map_info->green_mult=map_info->green_max != 0 ? 1 : 0; if (map_info->green_max != 0) while ((map_info->green_max & 0x01) == 0) { map_info->green_max>>=1; map_info->green_mult<<=1; } map_info->blue_max=visual_info->blue_mask; map_info->blue_mult=map_info->blue_max != 0 ? 1 : 0; if (map_info->blue_max != 0) while ((map_info->blue_max & 0x01) == 0) { map_info->blue_max>>=1; map_info->blue_mult<<=1; } map_info->base_pixel=0; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X G e t M o n t a g e I n f o % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XGetMontageInfo initializes the MontageInfo structure. % % The format of the GetMontageInfo routine is: % % XGetMontageInfo(montage_info) % % A description of each parameter follows: % % o montage_info: Specifies a pointer to a MontageInfo structure. % % */ void XGetMontageInfo(montage_info) XMontageInfo *montage_info; { montage_info->number_tiles=0; montage_info->frame=True; montage_info->shadow=True; montage_info->compose=ReplaceCompositeOp; montage_info->tile="5x4"; montage_info->texture=(char *) NULL; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X G e t P i x e l I n f o % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XGetPixelInfo initializes the PixelInfo structure. % % The format of the XGetPixelInfo routine is: % % XGetPixelInfo(display,visual_info,map_info,resource_info,image, % pixel_info) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o visual_info: Specifies a pointer to a X11 XVisualInfo structure; % returned from XGetVisualInfo. % % o map_info: If map_type is specified, this structure is initialized % with info from the Standard Colormap. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % o pixel_info: Specifies a pointer to a XPixelInfo structure. % % */ void XGetPixelInfo(display,visual_info,map_info,resource_info,image,pixel_info) Display *display; XVisualInfo *visual_info; XStandardColormap *map_info; XResourceInfo *resource_info; Image *image; XPixelInfo *pixel_info; { static char *PenColors[MaxNumberPens]= { Pen1Color, Pen2Color, Pen3Color, Pen4Color, Pen5Color, Pen6Color, Pen7Color, Pen8Color, Pen9Color, Pen0Color, }; Colormap colormap; int status; register int i; unsigned int packets; /* Initialize pixel info. */ pixel_info->colors=0; if (image != (Image *) NULL) if (image->class == PseudoClass) pixel_info->colors=image->colors; packets=Max(pixel_info->colors,visual_info->colormap_size)+MaxNumberPens; pixel_info->pixels=(unsigned long *) malloc(packets*sizeof(unsigned long)); if (pixel_info->pixels == (unsigned long *) NULL) Error("Unable to get pixel info","Memory allocation failed"); /* Set foreground color. */ colormap=map_info->colormap; (void) XParseColor(display,colormap,ForegroundColor, &pixel_info->foreground_color); status=XParseColor(display,colormap,resource_info->foreground_color, &pixel_info->foreground_color); if (status == 0) Warning("Color is not known to X server",resource_info->foreground_color); pixel_info->foreground_color.pixel= XStandardPixel(map_info,pixel_info->foreground_color,16); pixel_info->foreground_color.flags=DoRed | DoGreen | DoBlue; /* Set background color. */ (void) XParseColor(display,colormap,BackgroundColor, &pixel_info->background_color); status=XParseColor(display,colormap,resource_info->background_color, &pixel_info->background_color); if (status == 0) Warning("Color is not known to X server",resource_info->background_color); pixel_info->background_color.pixel= XStandardPixel(map_info,pixel_info->background_color,16); pixel_info->background_color.flags=DoRed | DoGreen | DoBlue; /* Set border color. */ (void) XParseColor(display,colormap,BorderColor,&pixel_info->border_color); status=XParseColor(display,colormap,resource_info->border_color, &pixel_info->border_color); if (status == 0) Warning("Color is not known to X server",resource_info->border_color); pixel_info->border_color.pixel= XStandardPixel(map_info,pixel_info->border_color,16); pixel_info->border_color.flags=DoRed | DoGreen | DoBlue; /* Set matte color. */ pixel_info->matte_color=pixel_info->background_color; if (resource_info->matte_color != (char *) NULL) { /* Matte color is specified as a X resource or command line argument. */ status=XParseColor(display,colormap,resource_info->matte_color, &pixel_info->matte_color); if (status == 0) Warning("Color is not known to X server",resource_info->matte_color); pixel_info->matte_color.pixel= XStandardPixel(map_info,pixel_info->matte_color,16); pixel_info->matte_color.flags=DoRed | DoGreen | DoBlue; } /* Set highlight color. */ pixel_info->highlight_color.red=(pixel_info->matte_color.red* HighlightModulate+(MaxRGB-HighlightModulate)*65535UL)/MaxRGB; pixel_info->highlight_color.green=(pixel_info->matte_color.green* HighlightModulate+(MaxRGB-HighlightModulate)*65535UL)/MaxRGB; pixel_info->highlight_color.blue=(pixel_info->matte_color.blue* HighlightModulate+(MaxRGB-HighlightModulate)*65535UL)/MaxRGB; pixel_info->highlight_color.pixel= XStandardPixel(map_info,pixel_info->highlight_color,16); pixel_info->highlight_color.flags=DoRed | DoGreen | DoBlue; /* Set shadow color. */ pixel_info->shadow_color.red=(unsigned int) (pixel_info->matte_color.red*ShadowModulate)/MaxRGB; pixel_info->shadow_color.green=(unsigned int) (pixel_info->matte_color.green*ShadowModulate)/MaxRGB; pixel_info->shadow_color.blue=(unsigned int) (pixel_info->matte_color.blue*ShadowModulate)/MaxRGB; pixel_info->shadow_color.pixel= XStandardPixel(map_info,pixel_info->shadow_color,16); pixel_info->shadow_color.flags=DoRed | DoGreen | DoBlue; /* Set depth color. */ pixel_info->depth_color.red=(unsigned int) (pixel_info->matte_color.red*DepthModulate)/MaxRGB; pixel_info->depth_color.green=(unsigned int) (pixel_info->matte_color.green*DepthModulate)/MaxRGB; pixel_info->depth_color.blue=(unsigned int) (pixel_info->matte_color.blue*DepthModulate)/MaxRGB; pixel_info->depth_color.pixel= XStandardPixel(map_info,pixel_info->depth_color,16); pixel_info->depth_color.flags=DoRed | DoGreen | DoBlue; /* Set trough color. */ pixel_info->trough_color.red=(unsigned int) (pixel_info->matte_color.red*TroughModulate)/MaxRGB; pixel_info->trough_color.green=(unsigned int) (pixel_info->matte_color.green*TroughModulate)/MaxRGB; pixel_info->trough_color.blue=(unsigned int) (pixel_info->matte_color.blue*TroughModulate)/MaxRGB; pixel_info->trough_color.pixel= XStandardPixel(map_info,pixel_info->trough_color,16); pixel_info->trough_color.flags=DoRed | DoGreen | DoBlue; /* Set pen color. */ for (i=0; i < MaxNumberPens; i++) { (void) XParseColor(display,colormap,PenColors[i],&pixel_info->pen_color[i]); status=XParseColor(display,colormap,resource_info->pen_color[i], &pixel_info->pen_color[i]); if (status == 0) Warning("Color is not known to X server",resource_info->pen_color[i]); pixel_info->pen_color[i].pixel= XStandardPixel(map_info,pixel_info->pen_color[i],16); pixel_info->pen_color[i].flags=DoRed | DoGreen | DoBlue; } pixel_info->annotate_color=pixel_info->foreground_color; if (image != (Image *) NULL) if (image->class == PseudoClass) { /* Initialize pixel array for images of type PseudoClass. */ for (i=0; i < image->colors; i++) pixel_info->pixels[i]= XStandardPixel(map_info,image->colormap[i],QuantumDepth); for (i=0; i < MaxNumberPens; i++) pixel_info->pixels[image->colors+i]=pixel_info->pen_color[i].pixel; pixel_info->colors+=MaxNumberPens; } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X G e t R e s o u r c e C l a s s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XGetResourceClass queries the X server for the specified resource % name or class. If the resource name or class is not defined in the % database, the supplied default value is returned. % % The format of the XGetResourceClass routine is: % % value=XGetResourceClass(database,client_name,keyword,resource_default) % % A description of each parameter follows: % % o value: Function XGetResourceClass returns the resource value associated % with the name or class. If none is found, the supplied default value is % returned. % % o database: Specifies a resource database; returned from % XrmGetStringDatabase. % % o client_name: Specifies the application name used to retrieve resource % info from the X server database. % % o keyword: Specifies the keyword of the value being retrieved. % % o resource_default: Specifies the default value to return if the query % fails to find the specified keyword/class. % % */ char *XGetResourceClass(database,client_name,keyword,resource_default) XrmDatabase database; char *client_name, *keyword, *resource_default; { char *resource_type, resource_class[MaxTextLength], resource_name[MaxTextLength]; int status; XrmValue resource_value; if (database == (XrmDatabase) NULL) return(resource_default); *resource_name='\0'; *resource_class='\0'; if (keyword != (char *) NULL) { unsigned char c, k; /* Initialize resource keyword and class. */ (void) sprintf(resource_name,"%s.%s",client_name,keyword); c=(*client_name); if ((c >= XK_a) && (c <= XK_z)) c-=(XK_a-XK_A); else if ((c >= XK_agrave) && (c <= XK_odiaeresis)) c-=(XK_agrave-XK_Agrave); else if ((c >= XK_oslash) && (c <= XK_thorn)) c-=(XK_oslash-XK_Ooblique); k=(*keyword); if ((k >= XK_a) && (k <= XK_z)) k-=(XK_a-XK_A); else if ((k >= XK_agrave) && (k <= XK_odiaeresis)) k-=(XK_agrave-XK_Agrave); else if ((k >= XK_oslash) && (k <= XK_thorn)) k-=(XK_oslash-XK_Ooblique); (void) sprintf(resource_class,"%c%s.%c%s",c,client_name+1,k,keyword+1); } status=XrmGetResource(database,resource_name,resource_class,&resource_type, &resource_value); if (status == False) return(resource_default); return(resource_value.addr); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X G e t R e s o u r c e D a t a b a s e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XGetResourceDatabase creates a new resource database and % initializes it. % % The format of the XGetResourceDatabase routine is: % % database=XGetResourceDatabase(display,client_name) % % A description of each parameter follows: % % o database: Function XGetResourceDatabase returns the database after % it is initialized. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o client_name: Specifies the application name used to retrieve resource % info from the X server database. % % */ XrmDatabase XGetResourceDatabase(display,client_name) Display *display; char *client_name; { char filename[MaxTextLength]; register char *p; unsigned char c; XrmDatabase resource_database, server_database; /* Initialize resource database. */ XrmInitialize(); XGetDefault(display,client_name,"dummy"); resource_database=XrmGetDatabase(display); /* Combine application database. */ if (client_name != (char *) NULL) { /* Get basename of client. */ p=client_name+(strlen(client_name)-1); while ((p > client_name) && (*p != '/')) p--; if (*p == '/') client_name=p+1; } c=(*client_name); if ((c >= XK_a) && (c <= XK_z)) c-=(XK_a-XK_A); else if ((c >= XK_agrave) && (c <= XK_odiaeresis)) c-=(XK_agrave-XK_Agrave); else if ((c >= XK_oslash) && (c <= XK_thorn)) c-=(XK_oslash-XK_Ooblique); (void) sprintf(filename,"%s%c%s",ApplicationDefaults,c,client_name+1); XrmCombineFileDatabase(filename,&resource_database,False); if (XResourceManagerString(display) != (char *) NULL) { /* Combine server database. */ server_database=XrmGetStringDatabase(XResourceManagerString(display)); XrmCombineDatabase(server_database,&resource_database,False); } /* Merge user preferences database. */ (void) sprintf(filename,"%s%src",PreferencesDefaults,client_name); ExpandFilename(filename); XrmCombineFileDatabase(filename,&resource_database,False); return(resource_database); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X G e t R e s o u r c e I n f o % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XGetResourceInfo initializes the ResourceInfo structure. % % The format of the XGetResourceInfo routine is: % % XGetResourceInfo(resource_database,client_name,resource_info) % % A description of each parameter follows: % % o resource_database: Specifies a resource database; returned from % XrmGetStringDatabase. % % o client_name: Specifies the application name used to retrieve % resource info from the X server database. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % */ void XGetResourceInfo(resource_database,client_name,resource_info) XrmDatabase resource_database; char *client_name; XResourceInfo *resource_info; { char *resource_value; register char *p; if (client_name != (char *) NULL) { /* Get basename of client. */ p=client_name+(strlen(client_name)-1); while ((p > client_name) && (*p != '/')) p--; if (*p == '/') client_name=p+1; } /* Initialize resource info fields. */ resource_info->resource_database=resource_database; resource_value= XGetResourceClass(resource_database,client_name,"backdrop","False"); resource_info->backdrop=IsTrue(resource_value); resource_info->background_color=XGetResourceInstance(resource_database, client_name,"background",BackgroundColor); resource_info->border_color=XGetResourceInstance(resource_database, client_name,"borderColor",BorderColor); resource_value= XGetResourceClass(resource_database,client_name,"borderWidth","2"); resource_info->border_width=atoi(resource_value); resource_value= XGetResourceClass(resource_database,client_name,"colormap","shared"); resource_info->colormap=UndefinedColormap; if (Latin1Compare("private",resource_value) == 0) resource_info->colormap=PrivateColormap; if (Latin1Compare("shared",resource_value) == 0) resource_info->colormap=SharedColormap; if (resource_info->colormap == UndefinedColormap) Warning("Unrecognized colormap type",resource_value); resource_value= XGetResourceClass(resource_database,client_name,"colorRecovery","False"); resource_info->color_recovery=IsTrue(resource_value); resource_value= XGetResourceClass(resource_database,client_name,"colorspace","rgb"); resource_info->colorspace=UndefinedColorspace; if (Latin1Compare("gray",resource_value) == 0) resource_info->colorspace=GRAYColorspace; if (Latin1Compare("rgb",resource_value) == 0) resource_info->colorspace=RGBColorspace; if (Latin1Compare("ohta",resource_value) == 0) resource_info->colorspace=OHTAColorspace; if (Latin1Compare("xyz",resource_value) == 0) resource_info->colorspace=XYZColorspace; if (Latin1Compare("yiq",resource_value) == 0) resource_info->colorspace=YIQColorspace; if (Latin1Compare("yuv",resource_value) == 0) resource_info->colorspace=YUVColorspace; if (resource_info->colorspace == UndefinedColorspace) Warning("Unrecognized colorspace type",resource_value); resource_value= XGetResourceClass(resource_database,client_name,"confirmExit","True"); resource_info->confirm_exit=IsTrue(resource_value); resource_value= XGetResourceClass(resource_database,client_name,"debug","False"); resource_info->debug=IsTrue(resource_value); resource_value=XGetResourceClass(resource_database,client_name,"delay","0"); resource_info->delay=atoi(resource_value); resource_value= XGetResourceClass(resource_database,client_name,"dither","True"); resource_info->dither=IsTrue(resource_value); resource_info->editor_command=XGetResourceClass(resource_database,client_name, "editorCommand",EditorCommand); resource_info->font= XGetResourceClass(resource_database,client_name,"font",(char *) NULL); resource_info->font=XGetResourceClass(resource_database,client_name, "fontList",resource_info->font); resource_info->font_name[0]= XGetResourceClass(resource_database,client_name,"font1","fixed"); resource_info->font_name[1]= XGetResourceClass(resource_database,client_name,"font2","variable"); resource_info->font_name[2]= XGetResourceClass(resource_database,client_name,"font3","5x8"); resource_info->font_name[3]= XGetResourceClass(resource_database,client_name,"font4","6x10"); resource_info->font_name[4]= XGetResourceClass(resource_database,client_name,"font5","7x13bold"); resource_info->font_name[5]= XGetResourceClass(resource_database,client_name,"font6","8x13bold"); resource_info->font_name[6]= XGetResourceClass(resource_database,client_name,"font7","9x15bold"); resource_info->font_name[7]= XGetResourceClass(resource_database,client_name,"font8","10x20"); resource_info->font_name[8]= XGetResourceClass(resource_database,client_name,"font9","12x24"); resource_info->font_name[9]= XGetResourceClass(resource_database,client_name,"font0","fixed"); resource_info->foreground_color=XGetResourceInstance(resource_database, client_name,"foreground",ForegroundColor); resource_value= XGetResourceClass(resource_database,client_name,"gravity","North"); resource_info->gravity=(-1); if (Latin1Compare("Forget",resource_value) == 0) resource_info->gravity=ForgetGravity; if (Latin1Compare("NorthWest",resource_value) == 0) resource_info->gravity=NorthWestGravity; if (Latin1Compare("North",resource_value) == 0) resource_info->gravity=NorthGravity; if (Latin1Compare("NorthEast",resource_value) == 0) resource_info->gravity=NorthEastGravity; if (Latin1Compare("West",resource_value) == 0) resource_info->gravity=WestGravity; if (Latin1Compare("Center",resource_value) == 0) resource_info->gravity=CenterGravity; if (Latin1Compare("East",resource_value) == 0) resource_info->gravity=EastGravity; if (Latin1Compare("SouthWest",resource_value) == 0) resource_info->gravity=SouthWestGravity; if (Latin1Compare("South",resource_value) == 0) resource_info->gravity=SouthGravity; if (Latin1Compare("SouthEast",resource_value) == 0) resource_info->gravity=SouthEastGravity; if (Latin1Compare("Static",resource_value) == 0) resource_info->gravity=StaticGravity; if (resource_info->gravity == (-1)) { Warning("Unrecognized gravity type",resource_value); resource_info->gravity=CenterGravity; } (void) getcwd(resource_info->home_directory,MaxTextLength-1); resource_info->icon_geometry=XGetResourceClass(resource_database,client_name, "iconGeometry",(char *) NULL); resource_value= XGetResourceClass(resource_database,client_name,"iconic","False"); resource_info->iconic=IsTrue(resource_value); resource_value= XGetResourceClass(resource_database,client_name,"immutable","False"); resource_info->immutable=IsTrue(resource_value); resource_info->image_geometry=XGetResourceClass(resource_database, client_name,"geometry",(char *) NULL); resource_value=XGetResourceClass(resource_database,client_name,"magnify","3"); resource_info->magnify=atoi(resource_value); resource_info->map_type= XGetResourceClass(resource_database,client_name,"map",(char *) NULL); resource_info->matte_color=XGetResourceInstance(resource_database, client_name,"mattecolor",(char *) NULL); resource_value= XGetResourceClass(resource_database,client_name,"monochrome","False"); resource_info->monochrome=IsTrue(resource_value); resource_info->name= XGetResourceClass(resource_database,client_name,"name",(char *) NULL); resource_value=XGetResourceClass(resource_database,client_name,"colors","0"); resource_info->number_colors=atoi(resource_value); resource_info->pen_color[0]= XGetResourceClass(resource_database,client_name,"pen1","black"); resource_info->pen_color[1]= XGetResourceClass(resource_database,client_name,"pen2","blue"); resource_info->pen_color[2]= XGetResourceClass(resource_database,client_name,"pen3","cyan"); resource_info->pen_color[3]= XGetResourceClass(resource_database,client_name,"pen4","green"); resource_info->pen_color[4]= XGetResourceClass(resource_database,client_name,"pen5","gray"); resource_info->pen_color[5]= XGetResourceClass(resource_database,client_name,"pen6","red"); resource_info->pen_color[6]= XGetResourceClass(resource_database,client_name,"pen7","magenta"); resource_info->pen_color[7]= XGetResourceClass(resource_database,client_name,"pen8","yellow"); resource_info->pen_color[8]= XGetResourceClass(resource_database,client_name,"pen9","white"); resource_info->pen_color[9]= XGetResourceClass(resource_database,client_name,"pen0","gray"); resource_info->print_command=XGetResourceClass(resource_database,client_name, "printCommand",PrintCommand); resource_value=XGetResourceClass(resource_database,client_name,"quantum","1"); resource_info->quantum=atoi(resource_value); resource_info->server_name= XGetResourceClass(resource_database,client_name,"serverName",(char *) NULL); resource_info->text_font= XGetResourceClass(resource_database,client_name,"font",(char *) NULL); resource_info->text_font=XGetResourceClass(resource_database,client_name, "textFontList",resource_info->text_font); resource_info->title= XGetResourceClass(resource_database,client_name,"title",(char *) NULL); resource_value= XGetResourceClass(resource_database,client_name,"treeDepth","0"); resource_info->tree_depth=atoi(resource_value); resource_value= XGetResourceClass(resource_database,client_name,"update","False"); resource_info->update=IsTrue(resource_value); resource_value= XGetResourceClass(resource_database,client_name,"usePixmap","False"); resource_info->use_pixmap=IsTrue(resource_value); resource_value= XGetResourceClass(resource_database,client_name,"sharedMemory","True"); resource_info->use_shared_memory=IsTrue(resource_value); resource_info->visual_type= XGetResourceClass(resource_database,client_name,"visual",(char *) NULL); resource_info->window_group=XGetResourceClass(resource_database,client_name, "windowGroup",(char *) NULL); resource_info->window_id= XGetResourceClass(resource_database,client_name,"window",(char *) NULL); resource_info->write_filename=XGetResourceClass(resource_database, client_name,"writeFilename",(char *) NULL); /* Handle side-effects. */ if (resource_info->monochrome) { resource_info->number_colors=2; resource_info->tree_depth=8; resource_info->dither=True; resource_info->colorspace=GRAYColorspace; } if (resource_info->colorspace == GRAYColorspace) { resource_info->number_colors=256; resource_info->tree_depth=8; } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X G e t R e s o u r c e I n s t a n c e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XGetResourceInstance queries the X server for the specified % resource name. If the resource name is not defined in the database, the % supplied default value is returned. % % The format of the XGetResourceInstance routine is: % % value=XGetResourceInstance(database,client_name,keyword,resource_default) % % A description of each parameter follows: % % o value: Function XGetResourceInstance returns the resource value % associated with the name or class. If none is found, the supplied % default value is returned. % % o database: Specifies a resource database; returned from % XrmGetStringDatabase. % % o client_name: Specifies the application name used to retrieve % resource info from the X server database. % % o keyword: Specifies the keyword of the value being retrieved. % % o resource_default: Specifies the default value to return if the query % fails to find the specified keyword/class. % % */ char *XGetResourceInstance(database,client_name,keyword,resource_default) XrmDatabase database; char *client_name, *keyword, *resource_default; { char *resource_type, resource_name[MaxTextLength]; int status; XrmValue resource_value; if (database == (XrmDatabase) NULL) return(resource_default); *resource_name='\0'; if (keyword != (char *) NULL) (void) sprintf(resource_name,"%s.%s",client_name,keyword); status=XrmGetResource(database,resource_name,"ImageMagick",&resource_type, &resource_value); if (status == False) return(resource_default); return(resource_value.addr); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X G e t S u b w i n d o w % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XGetSubwindow returns the subwindow of a window choosen the % user with the pointer and a button press. % % The format of the XGetSubwindow routine is: % % subwindow=XGetSubwindow(display,window,x,y) % % A description of each parameter follows: % % o subwindow: Function XGetSubwindow returns NULL if no subwindow is found % otherwise the subwindow is returned. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o window: Specifies a pointer to a Window. % % o x: the x coordinate of the pointer relative to the origin of the % window. % % o y: the y coordinate of the pointer relative to the origin of the % window. % % */ Window XGetSubwindow(display,window,x,y) Display *display; Window window; int x, y; { Window source_window, target_window; int status, x_offset, y_offset; source_window=XRootWindow(display,XDefaultScreen(display)); if (window == (Window) NULL) return(source_window); target_window=window; for ( ; ; ) { status=XTranslateCoordinates(display,source_window,window,x,y, &x_offset,&y_offset,&target_window); if (status != True) break; if (target_window == (Window) NULL) break; source_window=window; window=target_window; x=x_offset; y=y_offset; } if (target_window == (Window) NULL) target_window=window; return(target_window); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X G e t W i n d o w C o l o r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XGetWindowColor returns the color of a pixel interactively choosen % from the X server. % % The format of the XGetWindowColor routine is: % % status=XGetWindowColor(display,name) % % A description of each parameter follows: % % o status: Function XGetWindowColor returns True if the color is obtained % from the X server. False is returned if any errors occurs. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o name: The name of of the color if found in the X Color Database is % returned in this character string. % % */ unsigned int XGetWindowColor(display,name) Display *display; char *name; { FILE *database; int x, y; RectangleInfo crop_info; unsigned int status; Window child, client_window, root_window, target_window; XColor color; XImage *ximage; XWindowAttributes window_attributes; /* Choose a pixel from the X server. */ target_window=XSelectWindow(display,&crop_info); root_window=XRootWindow(display,XDefaultScreen(display)); client_window=target_window; if (target_window != root_window) { unsigned int d; /* Get client window. */ status=XGetGeometry(display,target_window,&root_window,&x,&x,&d,&d,&d,&d); if (status != 0) { client_window=XClientWindow(display,target_window); target_window=client_window; } } /* Verify window is viewable. */ status=XGetWindowAttributes(display,target_window,&window_attributes); if ((status == False) || (window_attributes.map_state != IsViewable)) return(False); /* Get window X image. */ XTranslateCoordinates(display,root_window,target_window,crop_info.x, crop_info.y,&x,&y,&child); ximage=XGetImage(display,target_window,x,y,1,1,AllPlanes,ZPixmap); if (ximage == (XImage *) NULL) return(False); color.pixel=XGetPixel(ximage,0,0); XDestroyImage(ximage); /* Query X server for pixel color. */ XQueryColor(display,window_attributes.colormap,&color); (void) sprintf(name,"#%02x%02x%02x",XDownScale(color.red), XDownScale(color.green),XDownScale(color.blue)); database=fopen(RGBColorDatabase,"r"); if (database != (FILE *) NULL) { char colorname[MaxTextLength], text[MaxTextLength]; int blue, count, green, red; /* Match color against the X color database. */ while (fgets(text,MaxTextLength-1,database) != (char *) NULL) { count=sscanf(text,"%d %d %d %[^\n]\n",&red,&green,&blue,colorname); if (count != 4) continue; if ((red == XDownScale(color.red)) && (green == XDownScale(color.green)) && (blue == XDownScale(color.blue))) { (void) strcpy(name,colorname); break; } } (void) fclose(database); } return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X G e t W i n d o w I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XGetWindowImage reads an image from the target X window and returns % it. XGetWindowImage optionally descends the window hierarchy and overlays % the target image with each subwindow image. % % The format of the XGetWindowImage routine is: % % image=XGetWindowImage(display,window,borders,level) % % A description of each parameter follows: % % o image: Function XGetWindowImage returns a MIFF image if it can be % successfully read from the X window. A null image is returned if % any errors occurs. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o window: Specifies the window to obtain the image from. % % o borders: Specifies whether borders pixels are to be saved with % the image. % % o level: Specifies an unsigned integer representing the level of % decent in the window hierarchy. This value must be zero or one on % the initial call to XGetWindowImage. A value of zero returns after % one call. A value of one causes the function to descend the window % hierarchy and overlays the target image with each subwindow image. % % */ Image *XGetWindowImage(display,window,borders,level) Display *display; Window window; unsigned int borders, level; { typedef struct _ColormapList { Colormap colormap; XColor *colors; struct _ColormapList *next; } ColormapList; GC annotate_context; Image *image; int display_height, display_width, number_colors, status, x_offset, y_offset; RectangleInfo crop_info; register int i, x, y; register RunlengthPacket *p; register unsigned long pixel; static ColormapList *colormap_list = (ColormapList *) NULL; Window child, root_window; XColor *colors; XGCValues context_values; XImage *ximage; XWindowAttributes window_attributes; /* Verify window is viewable. */ status=XGetWindowAttributes(display,window,&window_attributes); if ((status == False) || (window_attributes.map_state != IsViewable)) return((Image *) NULL); /* Cropping rectangle is relative to root window. */ root_window=XRootWindow(display,XDefaultScreen(display)); XTranslateCoordinates(display,window,root_window,0,0,&x_offset,&y_offset, &child); crop_info.x=x_offset; crop_info.y=y_offset; crop_info.width=window_attributes.width; crop_info.height=window_attributes.height; if (borders) { /* Include border in image. */ crop_info.x-=window_attributes.border_width; crop_info.y-=window_attributes.border_width; crop_info.width+=window_attributes.border_width << 1; crop_info.height+=window_attributes.border_width << 1; } /* Crop to root window. */ if (crop_info.x < 0) { if ((crop_info.x+(int) crop_info.width) < 0) return((Image *) NULL); crop_info.width+=crop_info.x; crop_info.x=0; } if (crop_info.y < 0) { if ((crop_info.y+(int) crop_info.height) < 0) return((Image *) NULL); crop_info.height+=crop_info.y; crop_info.y=0; } display_width=XDisplayWidth(display,XDefaultScreen(display)); if ((crop_info.x+(int) crop_info.width) > display_width) { if (crop_info.x >= display_width) return((Image *) NULL); crop_info.width=display_width-crop_info.x; } display_height=XDisplayHeight(display,XDefaultScreen(display)); if ((crop_info.y+(int) crop_info.height) > display_height) { if (crop_info.y >= display_height) return((Image *) NULL); crop_info.height=display_height-crop_info.y; } crop_info.x-=x_offset; crop_info.y-=y_offset; /* Alert user we are about to get an X region by flashing a border. */ context_values.background=XBlackPixel(display,XDefaultScreen(display)); context_values.foreground=XWhitePixel(display,XDefaultScreen(display)); context_values.function=GXinvert; context_values.plane_mask= context_values.background ^ context_values.foreground; context_values.subwindow_mode=IncludeInferiors; annotate_context=XCreateGC(display,window,GCBackground | GCForeground | GCFunction | GCPlaneMask | GCSubwindowMode,&context_values); if (annotate_context != (GC) NULL) { XHighlightRegion(display,window,annotate_context,&crop_info); XDelay(display,(unsigned long) (SuspendTime << 2)); XHighlightRegion(display,window,annotate_context,&crop_info); } /* Get window X image. */ ximage=XGetImage(display,window,crop_info.x,crop_info.y,crop_info.width, crop_info.height,AllPlanes,ZPixmap); if (ximage == (XImage *) NULL) return((Image *) NULL); number_colors=0; colors=(XColor *) NULL; if (window_attributes.colormap != (Colormap) NULL) { ColormapList *p; /* Search colormap list for window colormap. */ number_colors=window_attributes.visual->map_entries; for (p=colormap_list; p != (ColormapList *) NULL; p=p->next) if (p->colormap == window_attributes.colormap) break; if (p == (ColormapList *) NULL) { /* Get the window colormap. */ colors=(XColor *) malloc(number_colors*sizeof(XColor)); if (colors == (XColor *) NULL) { XDestroyImage(ximage); return((Image *) NULL); } if ((window_attributes.visual->class != DirectColor) && (window_attributes.visual->class != TrueColor)) for (i=0; i < number_colors; i++) { colors[i].pixel=i; colors[i].pad=0; } else { unsigned long blue, blue_bit, green, green_bit, red, red_bit; /* DirectColor or TrueColor visual. */ red=0; green=0; blue=0; red_bit=window_attributes.visual->red_mask & (~(window_attributes.visual->red_mask)+1); green_bit=window_attributes.visual->green_mask & (~(window_attributes.visual->green_mask)+1); blue_bit=window_attributes.visual->blue_mask & (~(window_attributes.visual->blue_mask)+1); for (i=0; i < number_colors; i++) { colors[i].pixel=red | green | blue; colors[i].pad=0; red+=red_bit; if (red > window_attributes.visual->red_mask) red=0; green+=green_bit; if (green > window_attributes.visual->green_mask) green=0; blue+=blue_bit; if (blue > window_attributes.visual->blue_mask) blue=0; } } XQueryColors(display,window_attributes.colormap,colors, (int) number_colors); /* Append colormap to colormap list. */ p=(ColormapList *) malloc(sizeof(ColormapList)); p->colormap=window_attributes.colormap; p->colors=colors; p->next=colormap_list; colormap_list=p; } colors=p->colors; } /* Allocate image structure. */ image=AllocateImage((ImageInfo *) NULL); if (image == (Image *) NULL) { XDestroyImage(ximage); return((Image *) NULL); } /* Convert X image to MIFF format. */ if ((window_attributes.visual->class != TrueColor) && (window_attributes.visual->class != DirectColor)) image->class=PseudoClass; image->columns=ximage->width; image->rows=ximage->height; image->packets=image->columns*image->rows; image->pixels=(RunlengthPacket *) malloc((unsigned int) image->packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) { XDestroyImage(ximage); DestroyImage(image); return((Image *) NULL); } p=image->pixels; switch (image->class) { case DirectClass: { register unsigned long color, index; unsigned long blue_mask, blue_shift, green_mask, green_shift, red_mask, red_shift; /* Determine shift and mask for red, green, and blue. */ red_mask=window_attributes.visual->red_mask; red_shift=0; while ((red_mask & 0x01) == 0) { red_mask>>=1; red_shift++; } green_mask=window_attributes.visual->green_mask; green_shift=0; while ((green_mask & 0x01) == 0) { green_mask>>=1; green_shift++; } blue_mask=window_attributes.visual->blue_mask; blue_shift=0; while ((blue_mask & 0x01) == 0) { blue_mask>>=1; blue_shift++; } /* Convert X image to DirectClass packets. */ if ((number_colors > 0) && (window_attributes.visual->class == DirectColor)) for (y=0; y < image->rows; y++) { for (x=0; x < image->columns; x++) { pixel=XGetPixel(ximage,x,y); index=(pixel >> red_shift) & red_mask; p->red=XDownScale(colors[index].red); index=(pixel >> green_shift) & green_mask; p->green=XDownScale(colors[index].green); index=(pixel >> blue_shift) & blue_mask; p->blue=XDownScale(colors[index].blue); p->index=0; p->length=0; p++; } } else for (y=0; y < image->rows; y++) for (x=0; x < image->columns; x++) { pixel=XGetPixel(ximage,x,y); color=(pixel >> red_shift) & red_mask; p->red=XDownScale((color*65535UL)/red_mask); color=(pixel >> green_shift) & green_mask; p->green=XDownScale((color*65535UL)/green_mask); color=(pixel >> blue_shift) & blue_mask; p->blue=XDownScale((color*65535UL)/blue_mask); p->index=0; p->length=0; p++; } break; } case PseudoClass: { /* Create colormap. */ image->colors=number_colors; image->colormap=(ColorPacket *) malloc(image->colors*sizeof(ColorPacket)); if (image->colormap == (ColorPacket *) NULL) { XDestroyImage(ximage); DestroyImage(image); return((Image *) NULL); } for (i=0; i < image->colors; i++) { image->colormap[colors[i].pixel].red=XDownScale(colors[i].red); image->colormap[colors[i].pixel].green=XDownScale(colors[i].green); image->colormap[colors[i].pixel].blue=XDownScale(colors[i].blue); } /* Convert X image to PseudoClass packets. */ for (y=0; y < image->rows; y++) for (x=0; x < image->columns; x++) { pixel=XGetPixel(ximage,x,y); p->index=(unsigned short) pixel; p->length=0; p++; } SyncImage(image); break; } } XDestroyImage(ximage); if (annotate_context != (GC) NULL) { /* Alert user we got the X region by flashing a border. */ XHighlightRegion(display,window,annotate_context,&crop_info); XFlush(display); XHighlightRegion(display,window,annotate_context,&crop_info); XFreeGC(display,annotate_context); } if (level != 0) { unsigned int number_children; Window *children, parent; /* Descend the window hierarchy and overlay with each subwindow image. */ status=XQueryTree(display,window,&root_window,&parent,&children, &number_children); if ((status == True) && (number_children != 0)) { Image *child_image; /* Composite any children in back-to-front order. */ for (i=0; i < number_children; i++) { child_image=XGetWindowImage(display,children[i],False,level+1); if (child_image != (Image *) NULL) { /* Composite child window image. */ XTranslateCoordinates(display,children[i],window,0,0,&x_offset, &y_offset,&child); x_offset-=crop_info.x; if (x_offset < 0) x_offset=0; y_offset-=crop_info.y; if (y_offset < 0) y_offset=0; CompositeImage(image,ReplaceCompositeOp,child_image,x_offset, y_offset); DestroyImage(child_image); } } XFree((void *) children); } } if (level <= 1) { ColormapList *next; /* Free resources. */ while (colormap_list != (ColormapList *) NULL) { next=colormap_list->next; free((char *) colormap_list->colors); free((char *) colormap_list); colormap_list=next; } if (image->class == PseudoClass) CompressColormap(image); } return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X G e t W i n d o w I n f o % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XGetWindowInfo initializes the XWindowInfo structure. % % The format of the XGetWindowInfo routine is: % % XGetWindowInfo(display,visual_info,map_info,pixel_info,font_info, % resource_info,window) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o visual_info: Specifies a pointer to a X11 XVisualInfo structure; % returned from XGetVisualInfo. % % o map_info: If map_type is specified, this structure is initialized % with info from the Standard Colormap. % % o pixel_info: Specifies a pointer to a XPixelInfo structure. % % o font_info: Specifies a pointer to a XFontStruct structure. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % */ void XGetWindowInfo(display,visual_info,map_info,pixel_info,font_info, resource_info,window) Display *display; XVisualInfo *visual_info; XStandardColormap *map_info; XPixelInfo *pixel_info; XFontStruct *font_info; XResourceInfo *resource_info; XWindowInfo *window; { /* Initialize window info. */ if (window->id != (Window) NULL) { XFreeCursor(display,window->cursor); XFreeCursor(display,window->busy_cursor); if (window->highlight_stipple != (Pixmap) NULL) XFreePixmap(display,window->highlight_stipple); if (window->shadow_stipple != (Pixmap) NULL) XFreePixmap(display,window->shadow_stipple); } else { window->id=(Window) NULL; window->x=XDisplayWidth(display,visual_info->screen) >> 1; window->y=XDisplayWidth(display,visual_info->screen) >> 1; window->ximage=(XImage *) NULL; window->matte_image=(XImage *) NULL; window->pixmap=(Pixmap) NULL; window->matte_pixmap=(Pixmap) NULL; window->mapped=False; window->stasis=False; window->shared_memory=False; #ifdef HasSharedMemory window->shared_memory=False; if (resource_info->use_shared_memory) window->shared_memory=XShmQueryExtension(display); window->segment_info[0].shmid=(-1); window->segment_info[1].shmid=(-1); window->segment_info[2].shmid=(-1); window->segment_info[3].shmid=(-1); #endif } window->screen=visual_info->screen; window->root=XRootWindow(display,visual_info->screen); window->visual=visual_info->visual; window->class=visual_info->class; window->depth=visual_info->depth; window->visual_info=visual_info; window->map_info=map_info; window->pixel_info=pixel_info; window->font_info=font_info; window->cursor=XCreateFontCursor(display,XC_left_ptr); window->busy_cursor=XCreateFontCursor(display,XC_watch); window->name=" "; window->geometry=(char *) NULL; window->icon_name=" "; window->icon_geometry=resource_info->icon_geometry; window->crop_geometry=(char *) NULL; window->flags=PSize; window->width=1; window->height=1; window->min_width=1; window->min_height=1; window->width_inc=1; window->height_inc=1; window->border_width=resource_info->border_width; window->annotate_context=pixel_info->annotate_context; window->highlight_context=pixel_info->highlight_context; window->widget_context=pixel_info->widget_context; window->shadow_stipple=(Pixmap) NULL; window->highlight_stipple=(Pixmap) NULL; window->immutable=False; window->data=0; window->mask=CWBackingStore | CWBackPixel | CWBackPixmap | CWBitGravity | CWBorderPixel | CWColormap | CWCursor | CWDontPropagate | CWEventMask | CWOverrideRedirect | CWSaveUnder | CWWinGravity; window->attributes.background_pixel=pixel_info->background_color.pixel; window->attributes.background_pixmap=(Pixmap) NULL; window->attributes.backing_store=NotUseful; window->attributes.bit_gravity=ForgetGravity; window->attributes.border_pixel=pixel_info->border_color.pixel; window->attributes.colormap=map_info->colormap; window->attributes.cursor=window->cursor; window->attributes.do_not_propagate_mask=NoEventMask; window->attributes.event_mask=NoEventMask; window->attributes.override_redirect=False; window->attributes.save_under=False; window->attributes.win_gravity=NorthWestGravity; window->orphan=False; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X H i g h l i g h t L i n e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XHighlightLine puts a border on the X server around a region % defined by highlight_info. % % The format of the XHighlightLine routine is: % % XHighlightLine(display,window,annotate_context,highlight_info) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o window: Specifies a pointer to a Window structure. % % o annotate_context: Specifies a pointer to a GC structure. % % o highlight_info: Specifies a pointer to a RectangleInfo structure. It % contains the extents of any highlighting rectangle. % % */ void XHighlightLine(display,window,annotate_context,highlight_info) Display *display; Window window; GC annotate_context; XSegment *highlight_info; { XDrawLine(display,window,annotate_context,highlight_info->x1, highlight_info->y1,highlight_info->x2,highlight_info->y2); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X H i g h l i g h t R e g i o n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XHighlightRegion puts a border on the X server around a region % defined by highlight_info. % % The format of the XHighlightRegion routine is: % % XHighlightRegion(display,window,annotate_context,highlight_info) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o window: Specifies a pointer to a Window structure. % % o annotate_context: Specifies a pointer to a GC structure. % % o highlight_info: Specifies a pointer to a RectangleInfo structure. It % contains the extents of any highlighting rectangle. % % */ void XHighlightRegion(display,window,annotate_context,highlight_info) Display *display; Window window; GC annotate_context; RectangleInfo *highlight_info; { if ((highlight_info->width < 4) || (highlight_info->height < 4)) return; XDrawRectangle(display,window,annotate_context,highlight_info->x, highlight_info->y,highlight_info->width-1,highlight_info->height-1); XDrawRectangle(display,window,annotate_context,highlight_info->x+1, highlight_info->y+1,highlight_info->width-3,highlight_info->height-3); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X M a k e C u r s o r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XMakeCursor creates a crosshairs X11 cursor. % % The format of the XMakeCursor routine is: % % XMakeCursor(display,window,colormap,background_color,foreground_color) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o window: Specifies the ID of the window for which the cursor is % assigned. % % o colormap: Specifies the ID of the colormap from which the background % and foreground color will be retrieved. % % o background_color: Specifies the color to use for the cursor background. % % o foreground_color: Specifies the color to use for the cursor foreground. % % */ Cursor XMakeCursor(display,window,colormap,background_color,foreground_color) Display *display; Window window; Colormap colormap; char *background_color, *foreground_color; { #define scope_height 17 #define scope_x_hot 8 #define scope_y_hot 8 #define scope_width 17 static unsigned char scope_bits[] = { 0x80, 0x03, 0x00, 0x80, 0x02, 0x00, 0x80, 0x02, 0x00, 0x80, 0x02, 0x00, 0x80, 0x02, 0x00, 0x80, 0x02, 0x00, 0x80, 0x02, 0x00, 0x7f, 0xfc, 0x01, 0x01, 0x00, 0x01, 0x7f, 0xfc, 0x01, 0x80, 0x02, 0x00, 0x80, 0x02, 0x00, 0x80, 0x02, 0x00, 0x80, 0x02, 0x00, 0x80, 0x02, 0x00, 0x80, 0x02, 0x00, 0x80, 0x03, 0x00 }; static unsigned char scope_mask_bits[] = { 0xc0, 0x07, 0x00, 0xc0, 0x07, 0x00, 0xc0, 0x06, 0x00, 0xc0, 0x06, 0x00, 0xc0, 0x06, 0x00, 0xc0, 0x06, 0x00, 0xff, 0xfe, 0x01, 0x7f, 0xfc, 0x01, 0x03, 0x80, 0x01, 0x7f, 0xfc, 0x01, 0xff, 0xfe, 0x01, 0xc0, 0x06, 0x00, 0xc0, 0x06, 0x00, 0xc0, 0x06, 0x00, 0xc0, 0x06, 0x00, 0xc0, 0x07, 0x00, 0xc0, 0x07, 0x00 }; Cursor cursor; Pixmap mask, source; XColor background, foreground; source=XCreateBitmapFromData(display,window,(char *) scope_bits,scope_width, scope_height); mask=XCreateBitmapFromData(display,window,(char *) scope_mask_bits, scope_width,scope_height); if ((source == (Pixmap) NULL) || (mask == (Pixmap) NULL)) Error("Unable to create pixmap",(char *) NULL); XParseColor(display,colormap,background_color,&background); XParseColor(display,colormap,foreground_color,&foreground); cursor=XCreatePixmapCursor(display,source,mask,&foreground,&background, scope_x_hot,scope_y_hot); XFreePixmap(display,source); XFreePixmap(display,mask); return(cursor); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X M a k e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XMakeImage creates an X11 image. If the image size differs from % the X11 image size, the image is first resized. % % The format of the XMakeImage routine is: % % status=XMakeImage(display,resource_info,window,image,width,height) % % A description of each parameter follows: % % o status: Function XMakeImage returns True if the X image is % successfully created. False is returned is there is a memory shortage. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o window: Specifies a pointer to a XWindowInfo structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % o width: Specifies the width in pixels of the rectangular area to % display. % % o height: Specifies the height in pixels of the rectangular area to % display. % % */ unsigned int XMakeImage(display,resource_info,window,image,width,height) Display *display; XResourceInfo *resource_info; XWindowInfo *window; Image *image; unsigned int width, height; { Image *transformed_image; int depth, format; Pixmap matte_pixmap; XImage *matte_image, *ximage; if ((window->width == 0) || (window->height == 0)) return(False); if (image == (Image *) NULL) return(False); /* Apply user transforms to the image. */ XDefineCursor(display,window->id,window->busy_cursor); XFlush(display); transformed_image=image; if (window->crop_geometry) { Image *cropped_image; RectangleInfo crop_info; /* Crop image. */ (void) XParseGeometry(window->crop_geometry,&crop_info.x,&crop_info.y, &crop_info.width,&crop_info.height); transformed_image->orphan=True; cropped_image=CropImage(transformed_image,&crop_info); transformed_image->orphan=False; if (cropped_image != (Image *) NULL) { if (transformed_image != image) DestroyImage(transformed_image); transformed_image=cropped_image; } } if ((width != transformed_image->columns) || (height != transformed_image->rows)) { Image *scaled_image; /* Scale image. */ transformed_image->orphan=True; if ((window->pixel_info->colors != 0) || transformed_image->matte) { /* Perserve colormap. */ scaled_image=SampleImage(transformed_image,width,height); if (scaled_image != (Image *) NULL) { if (transformed_image != image) DestroyImage(transformed_image); transformed_image=scaled_image; } } else { unsigned int sharpen; sharpen=(transformed_image->columns != width) && (transformed_image->rows != height); while ((transformed_image->columns >= (width << 1)) && (transformed_image->rows >= (height << 1))) { Image *reduced_image; /* Reduce image with a antialias digital filter. */ reduced_image=ReduceImage(transformed_image); if (reduced_image == (Image *) NULL) break; if (transformed_image != image) DestroyImage(transformed_image); transformed_image=reduced_image; } while ((transformed_image->columns <= (width >> 1)) && (transformed_image->rows <= (height >> 1))) { Image *zoomed_image; /* Zoom image with bilinear interpolation. */ zoomed_image=ZoomImage(transformed_image); if (zoomed_image == (Image *) NULL) break; if (transformed_image != image) DestroyImage(transformed_image); transformed_image=zoomed_image; } if ((transformed_image->columns != width) || (transformed_image->rows != height)) { /* Scale image with pixel replication. */ scaled_image=ScaleImage(transformed_image,width,height); if (scaled_image != (Image *) NULL) { if (transformed_image != image) DestroyImage(transformed_image); transformed_image=scaled_image; } } if (sharpen) { Image *sharpened_image; /* Sharpen image. */ sharpened_image=SharpenImage(transformed_image,SharpenFactor); if (sharpened_image != (Image *) NULL) { if (transformed_image != image) DestroyImage(transformed_image); transformed_image=sharpened_image; } } } transformed_image->orphan=False; } width=transformed_image->columns; height=transformed_image->rows; depth=window->depth; if (transformed_image->class == PseudoClass) if (IsGrayImage(transformed_image) && (transformed_image->colors == 2)) depth=1; /* Create X image. */ format=(depth == 1) ? XYBitmap : ZPixmap; #ifdef HasSharedMemory if (window->shared_memory) { ximage=XShmCreateImage(display,window->visual,depth,format,0, &window->segment_info[2],width,height); window->segment_info[2].shmid=shmget(IPC_PRIVATE,ximage->bytes_per_line* ximage->height,IPC_CREAT | 0777); window->shared_memory=window->segment_info[2].shmid >= 0; if (window->shared_memory) window->segment_info[2].shmaddr=(char *) shmat(window->segment_info[2].shmid,0,0); } #endif if (!window->shared_memory) ximage=XCreateImage(display,window->visual,depth,format,0,(char *) NULL, width,height,XBitmapPad(display),0); if (ximage == (XImage *) NULL) { /* Unable to create X image. */ if (transformed_image != image) DestroyImage(transformed_image); XDefineCursor(display,window->id,window->cursor); return(False); } if (resource_info->debug) { (void) fprintf(stderr,"XImage:\n"); (void) fprintf(stderr," width, height: %dx%d\n",ximage->width, ximage->height); (void) fprintf(stderr," format: %d\n",ximage->format); (void) fprintf(stderr," byte order: %d\n",ximage->byte_order); (void) fprintf(stderr," bitmap unit, bit order, pad: %d %d %d\n", ximage->bitmap_unit,ximage->bitmap_bit_order,ximage->bitmap_pad); (void) fprintf(stderr," depth: %d\n",ximage->depth); (void) fprintf(stderr," bytes per line: %d\n",ximage->bytes_per_line); (void) fprintf(stderr," bits per pixel: %d\n",ximage->bits_per_pixel); (void) fprintf(stderr," red, green, blue masks: 0x%lx 0x%lx 0x%lx\n", ximage->red_mask,ximage->green_mask,ximage->blue_mask); } /* Allocate X image pixel data. */ #ifdef HasSharedMemory if (window->shared_memory) { xerror_alert=False; window->segment_info[2].readOnly=False; XShmAttach(display,&window->segment_info[2]); XSync(display,False); shmctl(window->segment_info[2].shmid,IPC_RMID,0); ximage->data=window->segment_info[2].shmaddr; if (xerror_alert) { window->shared_memory=False; xerror_alert=False; } } #endif if (!window->shared_memory) if (ximage->format == XYBitmap) ximage->data=(char *) malloc(ximage->bytes_per_line*ximage->height*ximage->depth); else ximage->data=(char *) malloc(ximage->bytes_per_line*ximage->height); if (ximage->data == (char *) NULL) { /* Unable to allocate pixel data. */ if (transformed_image != image) DestroyImage(transformed_image); XDestroyImage(ximage); XDefineCursor(display,window->id,window->cursor); return(False); } if (window->ximage != (XImage *) NULL) { #ifdef HasSharedMemory if (window->shared_memory) { XShmDetach(display,&window->segment_info[0]); XDestroyImage(window->ximage); shmdt(window->segment_info[0].shmaddr); } #endif if (!window->shared_memory) XDestroyImage(window->ximage); } #ifdef HasSharedMemory window->segment_info[0]=window->segment_info[2]; #endif window->ximage=ximage; matte_image=(XImage *) NULL; if (transformed_image != (Image *) NULL) if (transformed_image->matte) { /* Create matte image. */ matte_image=XCreateImage(display,window->visual,1,XYBitmap,0, (char *) NULL,width,height,XBitmapPad(display),0); if (resource_info->debug) { (void) fprintf(stderr,"Matte Image:\n"); (void) fprintf(stderr," width, height: %dx%d\n",matte_image->width, matte_image->height); } if (matte_image != (XImage *) NULL) { /* Allocate matte image pixel data. */ matte_image->data=(char *) malloc(matte_image->bytes_per_line* matte_image->height*matte_image->depth); if (matte_image->data == (char *) NULL) { XDestroyImage(matte_image); matte_image=(XImage *) NULL; } } } if (window->matte_image != (XImage *) NULL) XDestroyImage(window->matte_image); window->matte_image=matte_image; window->stasis=False; /* Convert runlength-encoded pixels to X image data. */ if ((ximage->byte_order == LSBFirst) || ((ximage->format == XYBitmap) && (ximage->bitmap_bit_order == LSBFirst))) XMakeImageLSBFirst(resource_info,window,transformed_image,ximage, matte_image); else XMakeImageMSBFirst(resource_info,window,transformed_image,ximage, matte_image); matte_pixmap=window->matte_pixmap; if (window->matte_pixmap != (Pixmap) NULL) XFreePixmap(display,window->matte_pixmap); window->matte_pixmap=(Pixmap) NULL; if (window->matte_image != (XImage *) NULL) { /* Create matte pixmap. */ window->matte_pixmap=XCreatePixmap(display,window->id,width,height,1); if (window->matte_pixmap != (Pixmap) NULL) { GC graphics_context; XGCValues context_values; /* Copy matte image to matte pixmap. */ context_values.background=1; context_values.foreground=0; graphics_context=XCreateGC(display,window->matte_pixmap,GCBackground | GCForeground,&context_values); XPutImage(display,window->matte_pixmap,graphics_context, window->matte_image,0,0,0,0,width,height); XFreeGC(display,graphics_context); } } #ifdef HasShape if (window->matte_pixmap != matte_pixmap) XShapeCombineMask(display,window->id,ShapeBounding,0,0, window->matte_pixmap,ShapeSet); #endif if (transformed_image != image) DestroyImage(transformed_image); /* Restore cursor. */ XDefineCursor(display,window->id,window->cursor); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X M a k e I m a g e L S B F i r s t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XMakeImageLSBFirst initializes the pixel data of an X11 Image. % The X image pixels are copied in least-significant bit and byte first % order. The server's scanline pad is respected. Rather than using one or % two general cases, many special cases are found here to help speed up the % image conversion. % % The format of the XMakeImageLSBFirst routine is: % % XMakeImageLSBFirst(resource_info,window,image,ximage,matte_image) % % A description of each parameter follows: % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o window: Specifies a pointer to a XWindowInfo structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % o ximage: Specifies a pointer to a XImage structure; returned from % XCreateImage. % % o matte_image: Specifies a pointer to a XImage structure; returned from % XCreateImage. % */ static void XMakeImageLSBFirst(resource_info,window,image,ximage,matte_image) XResourceInfo *resource_info; XWindowInfo *window; Image *image; XImage *ximage, *matte_image; { register int i, j, x; register RunlengthPacket *p; register unsigned char bit, byte, *q; register unsigned long pixel; unsigned int scanline_pad; unsigned long *pixels; XStandardColormap *map_info; scanline_pad=ximage->bytes_per_line- ((ximage->width*ximage->bits_per_pixel) >> 3); map_info=window->map_info; pixels=window->pixel_info->pixels; p=image->pixels; q=(unsigned char *) ximage->data; x=0; if (ximage->format == XYBitmap) { register unsigned short polarity; unsigned char background, foreground; /* Convert image to big-endian bitmap. */ background=(Intensity(window->pixel_info->foreground_color) < Intensity(window->pixel_info->background_color) ? 0x80 : 0x00); foreground=(Intensity(window->pixel_info->background_color) < Intensity(window->pixel_info->foreground_color) ? 0x80 : 0x00); polarity=Intensity(image->colormap[0]) < Intensity(image->colormap[1]); bit=0; byte=0; for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { byte>>=1; if (p->index == polarity) byte|=foreground; else byte|=background; bit++; if (bit == 8) { *q++=byte; bit=0; byte=0; } x++; if (x == ximage->width) { /* Advance to the next scanline. */ if (bit != 0) *q=byte >> (8-bit); q+=scanline_pad; bit=0; byte=0; x=0; } } p++; } } else if (window->pixel_info->colors != 0) switch (ximage->bits_per_pixel) { case 2: { register unsigned int nibble; /* Convert to 2 bit color-mapped X image. */ nibble=0; for (i=0; i < image->packets; i++) { pixel=pixels[p->index] & 0xf; for (j=0; j <= ((int) p->length); j++) { switch (nibble) { case 0: { *q=(unsigned char) pixel; nibble++; break; } case 1: { *q|=(unsigned char) (pixel << 2); nibble++; break; } case 2: { *q|=(unsigned char) (pixel << 4); nibble++; break; } case 3: { *q|=(unsigned char) (pixel << 6); q++; nibble=0; break; } } x++; if (x == ximage->width) { x=0; nibble=0; q+=scanline_pad; } } p++; } break; } case 4: { register unsigned int nibble; /* Convert to 4 bit color-mapped X image. */ nibble=0; for (i=0; i < image->packets; i++) { pixel=pixels[p->index] & 0xf; for (j=0; j <= ((int) p->length); j++) { switch (nibble) { case 0: { *q=(unsigned char) pixel; nibble++; break; } case 1: { *q|=(unsigned char) (pixel << 4); q++; nibble=0; break; } } x++; if (x == ximage->width) { x=0; nibble=0; q+=scanline_pad; } } p++; } break; } case 6: case 8: { /* Convert to 8 bit color-mapped X image. */ if (resource_info->color_recovery && resource_info->dither) { XDitherImage(image,ximage); break; } for (i=0; i < image->packets; i++) { pixel=pixels[p->index]; for (j=0; j <= ((int) p->length); j++) { *q++=(unsigned char) pixel; x++; if (x == ximage->width) { x=0; q+=scanline_pad; } } p++; } break; } default: { register int k; register unsigned int bytes_per_pixel; unsigned char channel[sizeof(unsigned long)]; /* Convert to multi-byte color-mapped X image. */ bytes_per_pixel=ximage->bits_per_pixel >> 3; for (i=0; i < image->packets; i++) { pixel=pixels[p->index]; for (k=0; k < bytes_per_pixel; k++) { channel[k]=(unsigned char) pixel; pixel>>=8; } for (j=0; j <= ((int) p->length); j++) { for (k=0; k < bytes_per_pixel; k++) *q++=channel[k]; x++; if (x == ximage->width) { x=0; q+=scanline_pad; } } p++; } break; } } else switch (ximage->bits_per_pixel) { case 2: { register unsigned int nibble; /* Convert to contiguous 2 bit continuous-tone X image. */ nibble=0; for (i=0; i < image->packets; i++) { pixel=XStandardPixel(map_info,*p,QuantumDepth); pixel&=0xf; for (j=0; j <= ((int) p->length); j++) { switch (nibble) { case 0: { *q=(unsigned char) pixel; nibble++; break; } case 1: { *q|=(unsigned char) (pixel << 2); nibble++; break; } case 2: { *q|=(unsigned char) (pixel << 4); nibble++; break; } case 3: { *q|=(unsigned char) (pixel << 6); q++; nibble=0; break; } } x++; if (x == ximage->width) { x=0; nibble=0; q+=scanline_pad; } } p++; } break; } case 4: { register unsigned int nibble; /* Convert to contiguous 4 bit continuous-tone X image. */ nibble=0; for (i=0; i < image->packets; i++) { pixel=XStandardPixel(map_info,*p,QuantumDepth); pixel&=0xf; for (j=0; j <= ((int) p->length); j++) { switch (nibble) { case 0: { *q=(unsigned char) pixel; nibble++; break; } case 1: { *q|=(unsigned char) (pixel << 4); q++; nibble=0; break; } } x++; if (x == ximage->width) { x=0; nibble=0; q+=scanline_pad; } } p++; } break; } case 6: case 8: { /* Convert to contiguous 8 bit continuous-tone X image. */ if (resource_info->color_recovery && resource_info->dither) { XDitherImage(image,ximage); break; } for (i=0; i < image->packets; i++) { pixel=XStandardPixel(map_info,*p,QuantumDepth); for (j=0; j <= ((int) p->length); j++) { *q++=(unsigned char) pixel; x++; if (x == ximage->width) { x=0; q+=scanline_pad; } } p++; } break; } default: { if ((ximage->bits_per_pixel == 32) && (map_info->red_max == 255) && (map_info->green_max == 255) && (map_info->blue_max == 255) && (map_info->red_mult == 65536) && (map_info->green_mult == 256) && (map_info->blue_mult == 1)) { /* Convert to 32 bit continuous-tone X image. */ for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { *q++=DownScale(p->blue); *q++=DownScale(p->green); *q++=DownScale(p->red); *q++=0; } p++; } } else if ((ximage->bits_per_pixel == 32) && (map_info->red_max == 255) && (map_info->green_max == 255) && (map_info->blue_max == 255) && (map_info->red_mult == 1) && (map_info->green_mult == 256) && (map_info->blue_mult == 65536)) { /* Convert to 32 bit continuous-tone X image. */ for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { *q++=DownScale(p->red); *q++=DownScale(p->green); *q++=DownScale(p->blue); *q++=0; } p++; } } else { register int k; register unsigned int bytes_per_pixel; unsigned char channel[sizeof(unsigned long)]; /* Convert to multi-byte continuous-tone X image. */ bytes_per_pixel=ximage->bits_per_pixel >> 3; for (i=0; i < image->packets; i++) { pixel=XStandardPixel(map_info,*p,QuantumDepth); for (k=0; k < bytes_per_pixel; k++) { channel[k]=(unsigned char) pixel; pixel>>=8; } for (j=0; j <= ((int) p->length); j++) { for (k=0; k < bytes_per_pixel; k++) *q++=channel[k]; x++; if (x == ximage->width) { x=0; q+=scanline_pad; } } p++; } } break; } } if (matte_image != (XImage *) NULL) { /* Initialize matte image. */ scanline_pad=matte_image->bytes_per_line- ((matte_image->width*matte_image->bits_per_pixel) >> 3); p=image->pixels; q=(unsigned char *) matte_image->data; bit=0; byte=0; for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { byte>>=1; if (p->index == Transparent) byte|=0x01; bit++; if (bit == 8) { *q++=byte; bit=0; byte=0; } x++; if (x == matte_image->width) { /* Advance to the next scanline. */ if (bit != 0) *q=byte >> (8-bit); q+=scanline_pad; bit=0; byte=0; x=0; } } p++; } } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X M a k e I m a g e M S B F i r s t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XMakeImageMSBFirst initializes the pixel data of an X11 Image. % The X image pixels are copied in most-significant bit and byte first order. % The server's scanline pad is also resprected. Rather than using one or two % general cases, many special cases are found here to help speed up the image % conversion. % % The format of the XMakeImageMSBFirst routine is: % % XMakeImageMSBFirst(resource_info,window,image,ximage,matte_image) % % A description of each parameter follows: % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o window: Specifies a pointer to a XWindowInfo structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % o ximage: Specifies a pointer to a XImage structure; returned from % XCreateImage. % % o matte_image: Specifies a pointer to a XImage structure; returned from % XCreateImage. % % */ static void XMakeImageMSBFirst(resource_info,window,image,ximage,matte_image) XResourceInfo *resource_info; XWindowInfo *window; Image *image; XImage *ximage, *matte_image; { register int i, j, x; register RunlengthPacket *p; register unsigned char bit, byte, *q; register unsigned long pixel; unsigned int scanline_pad; unsigned long *pixels; XStandardColormap *map_info; scanline_pad=ximage->bytes_per_line- ((ximage->width*ximage->bits_per_pixel) >> 3); map_info=window->map_info; pixels=window->pixel_info->pixels; p=image->pixels; q=(unsigned char *) ximage->data; x=0; if (ximage->format == XYBitmap) { register unsigned short polarity; unsigned char background, foreground; /* Convert image to big-endian bitmap. */ background=(Intensity(window->pixel_info->foreground_color) < Intensity(window->pixel_info->background_color) ? 0x01 : 0x00); foreground=(Intensity(window->pixel_info->background_color) < Intensity(window->pixel_info->foreground_color) ? 0x01 : 0x00); polarity=Intensity(image->colormap[0]) < Intensity(image->colormap[1]); bit=0; byte=0; for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { byte<<=1; if (p->index == polarity) byte|=foreground; else byte|=background; bit++; if (bit == 8) { *q++=byte; bit=0; byte=0; } x++; if (x == ximage->width) { /* Advance to the next scanline. */ if (bit != 0) *q=byte << (8-bit); q+=scanline_pad; bit=0; byte=0; x=0; } } p++; } } else if (window->pixel_info->colors != 0) switch (ximage->bits_per_pixel) { case 2: { register unsigned int nibble; /* Convert to 2 bit color-mapped X image. */ nibble=0; for (i=0; i < image->packets; i++) { pixel=pixels[p->index] & 0xf; for (j=0; j <= ((int) p->length); j++) { switch (nibble) { case 0: { *q=(unsigned char) (pixel << 6); nibble++; break; } case 1: { *q|=(unsigned char) (pixel << 4); nibble++; break; } case 2: { *q|=(unsigned char) (pixel << 2); nibble++; break; } case 3: { *q|=(unsigned char) pixel; q++; nibble=0; break; } } x++; if (x == ximage->width) { x=0; nibble=0; q+=scanline_pad; } } p++; } break; } case 4: { register unsigned int nibble; /* Convert to 4 bit color-mapped X image. */ nibble=0; for (i=0; i < image->packets; i++) { pixel=pixels[p->index] & 0xf; for (j=0; j <= ((int) p->length); j++) { switch (nibble) { case 0: { *q=(unsigned char) (pixel << 4); nibble++; break; } case 1: { *q|=(unsigned char) pixel; q++; nibble=0; break; } } x++; if (x == ximage->width) { x=0; nibble=0; q+=scanline_pad; } } p++; } break; } case 6: case 8: { /* Convert to 8 bit color-mapped X image. */ if (resource_info->color_recovery && resource_info->dither) { XDitherImage(image,ximage); break; } for (i=0; i < image->packets; i++) { pixel=pixels[p->index]; for (j=0; j <= ((int) p->length); j++) { *q++=(unsigned char) pixel; x++; if (x == ximage->width) { x=0; q+=scanline_pad; } } p++; } break; } default: { register int k; register unsigned int bytes_per_pixel; unsigned char channel[sizeof(unsigned long)]; /* Convert to 8 bit color-mapped X image. */ bytes_per_pixel=ximage->bits_per_pixel >> 3; for (i=0; i < image->packets; i++) { pixel=pixels[p->index]; for (k=bytes_per_pixel-1; k >= 0; k--) { channel[k]=(unsigned char) pixel; pixel>>=8; } for (j=0; j <= ((int) p->length); j++) { for (k=0; k < bytes_per_pixel; k++) *q++=channel[k]; x++; if (x == ximage->width) { x=0; q+=scanline_pad; } } p++; } break; } } else switch (ximage->bits_per_pixel) { case 2: { register unsigned int nibble; /* Convert to 4 bit continuous-tone X image. */ nibble=0; for (i=0; i < image->packets; i++) { pixel=XStandardPixel(map_info,*p,QuantumDepth); pixel&=0xf; for (j=0; j <= ((int) p->length); j++) { switch (nibble) { case 0: { *q=(unsigned char) (pixel << 6); nibble++; break; } case 1: { *q|=(unsigned char) (pixel << 4); nibble++; break; } case 2: { *q|=(unsigned char) (pixel << 2); nibble++; break; } case 3: { *q|=(unsigned char) pixel; q++; nibble=0; break; } } x++; if (x == ximage->width) { x=0; nibble=0; q+=scanline_pad; } } p++; } break; } case 4: { register unsigned int nibble; /* Convert to 4 bit continuous-tone X image. */ nibble=0; for (i=0; i < image->packets; i++) { pixel=XStandardPixel(map_info,*p,QuantumDepth); pixel&=0xf; for (j=0; j <= ((int) p->length); j++) { switch (nibble) { case 0: { *q=(unsigned char) (pixel << 4); nibble++; break; } case 1: { *q|=(unsigned char) pixel; q++; nibble=0; break; } } x++; if (x == ximage->width) { x=0; nibble=0; q+=scanline_pad; } } p++; } break; } case 6: case 8: { /* Convert to 8 bit continuous-tone X image. */ if (resource_info->color_recovery && resource_info->dither) { XDitherImage(image,ximage); break; } for (i=0; i < image->packets; i++) { pixel=XStandardPixel(map_info,*p,QuantumDepth); for (j=0; j <= ((int) p->length); j++) { *q++=(unsigned char) pixel; x++; if (x == ximage->width) { x=0; q+=scanline_pad; } } p++; } break; } default: { if ((ximage->bits_per_pixel == 32) && (map_info->red_max == 255) && (map_info->green_max == 255) && (map_info->blue_max == 255) && (map_info->red_mult == 65536) && (map_info->green_mult == 256) && (map_info->blue_mult == 1)) { /* Convert to 32 bit continuous-tone X image. */ for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { *q++=0; *q++=DownScale(p->red); *q++=DownScale(p->green); *q++=DownScale(p->blue); } p++; } } else if ((ximage->bits_per_pixel == 32) && (map_info->red_max == 255) && (map_info->green_max == 255) && (map_info->blue_max == 255) && (map_info->red_mult == 1) && (map_info->green_mult == 256) && (map_info->blue_mult == 65536)) { /* Convert to 32 bit continuous-tone X image. */ for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { *q++=0; *q++=DownScale(p->blue); *q++=DownScale(p->green); *q++=DownScale(p->red); } p++; } } else { register int k; register unsigned int bytes_per_pixel; unsigned char channel[sizeof(unsigned long)]; /* Convert to multi-byte continuous-tone X image. */ bytes_per_pixel=ximage->bits_per_pixel >> 3; for (i=0; i < image->packets; i++) { pixel=XStandardPixel(map_info,*p,QuantumDepth); for (k=bytes_per_pixel-1; k >= 0; k--) { channel[k]=(unsigned char) pixel; pixel>>=8; } for (j=0; j <= ((int) p->length); j++) { for (k=0; k < bytes_per_pixel; k++) *q++=channel[k]; x++; if (x == ximage->width) { x=0; q+=scanline_pad; } } p++; } } break; } } if (matte_image != (XImage *) NULL) { /* Initialize matte image. */ scanline_pad=matte_image->bytes_per_line- ((matte_image->width*matte_image->bits_per_pixel) >> 3); p=image->pixels; q=(unsigned char *) matte_image->data; bit=0; byte=0; for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { byte<<=1; if (p->index == Transparent) byte|=0x01; bit++; if (bit == 8) { *q++=byte; bit=0; byte=0; } x++; if (x == matte_image->width) { /* Advance to the next scanline. */ if (bit != 0) *q=byte << (8-bit); q+=scanline_pad; bit=0; byte=0; x=0; } } p++; } } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X M a k e M a g n i f y I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XMakeMagnifyImage magnifies a region of an X image and displays it. % % The format of the XMakeMagnifyImage routine is: % % XMakeMagnifyImage(display,windows) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o windows: Specifies a pointer to a XWindows structure. % % */ void XMakeMagnifyImage(display,windows) Display *display; XWindows *windows; { #define Swap(x,y) ((x)^=(y), (y)^=(x), (x)^=(y)) register int x, y; register unsigned char *p, *q; register unsigned int j, k, l; static char text[MaxTextLength]; static unsigned int previous_magnify=0; static XWindowInfo magnify_window; unsigned int height, i, magnify, scanline_pad, width; XColor color; XImage *ximage; /* Check boundry conditions. */ magnify=1; for (i=1; i < windows->magnify.data; i++) magnify<<=1; while ((magnify*windows->image.ximage->width) < windows->magnify.width) magnify<<=1; while ((magnify*windows->image.ximage->height) < windows->magnify.height) magnify<<=1; while (magnify > windows->magnify.width) magnify>>=1; while (magnify > windows->magnify.height) magnify>>=1; if (magnify != previous_magnify) { unsigned int status; XTextProperty window_name; /* New magnify factor: update magnify window name. */ i=0; while ((1 << i) <= magnify) i++; (void) sprintf(windows->magnify.name,"Magnify %uX",i); status=XStringListToTextProperty(&windows->magnify.name,1,&window_name); if (status != 0) { XSetWMName(display,windows->magnify.id,&window_name); XFree((void *) window_name.value); } } previous_magnify=magnify; ximage=windows->image.ximage; width=windows->magnify.ximage->width; height=windows->magnify.ximage->height; x=windows->magnify.x-((width/magnify) >> 1); if (x < 0) x=0; else if (x > (ximage->width-(width/magnify))) x=ximage->width-width/magnify; y=windows->magnify.y-((height/magnify) >> 1); if (y < 0) y=0; else if (y > (ximage->height-(height/magnify))) y=ximage->height-height/magnify; q=(unsigned char *) windows->magnify.ximage->data; scanline_pad=windows->magnify.ximage->bytes_per_line- ((width*windows->magnify.ximage->bits_per_pixel) >> 3); if (ximage->bits_per_pixel < 8) { register unsigned char background, byte, foreground, p_bit, q_bit; register unsigned int plane; XPixelInfo *pixel_info; pixel_info=windows->magnify.pixel_info; switch (ximage->bitmap_bit_order) { case LSBFirst: { /* Magnify little-endian bitmap. */ background=0x00; foreground=0x80; if (ximage->format == XYBitmap) { background=(Intensity(pixel_info->foreground_color) < Intensity(pixel_info->background_color) ? 0x80 : 0x00); foreground=(Intensity(pixel_info->background_color) < Intensity(pixel_info->foreground_color) ? 0x80 : 0x00); if (windows->magnify.depth > 1) Swap(background,foreground); } for (i=0; i < height; i+=magnify) { /* Propogate pixel magnify rows. */ for (j=0; j < magnify; j++) { p=(unsigned char *) ximage->data+y*ximage->bytes_per_line+ ((x*ximage->bits_per_pixel) >> 3); p_bit=(x*ximage->bits_per_pixel) & 0x07; q_bit=0; byte=0; for (k=0; k < width; k+=magnify) { /* Propogate pixel magnify columns. */ for (l=0; l < magnify; l++) { /* Propogate each bit plane. */ for (plane=0; plane < ximage->bits_per_pixel; plane++) { byte>>=1; if (*p & (0x01 << (p_bit+plane))) byte|=foreground; else byte|=background; q_bit++; if (q_bit == 8) { *q++=byte; q_bit=0; byte=0; } } } p_bit+=ximage->bits_per_pixel; if (p_bit == 8) { p++; p_bit=0; } if (q_bit != 0) *q=byte >> (8-q_bit); q+=scanline_pad; } } y++; } break; } case MSBFirst: default: { /* Magnify big-endian bitmap. */ background=0x00; foreground=0x01; if (ximage->format == XYBitmap) { background=(Intensity(pixel_info->foreground_color) < Intensity(pixel_info->background_color) ? 0x01 : 0x00); foreground=(Intensity(pixel_info->background_color) < Intensity(pixel_info->foreground_color) ? 0x01 : 0x00); if (windows->magnify.depth > 1) Swap(background,foreground); } for (i=0; i < height; i+=magnify) { /* Propogate pixel magnify rows. */ for (j=0; j < magnify; j++) { p=(unsigned char *) ximage->data+y*ximage->bytes_per_line+ ((x*ximage->bits_per_pixel) >> 3); p_bit=(x*ximage->bits_per_pixel) & 0x07; q_bit=0; byte=0; for (k=0; k < width; k+=magnify) { /* Propogate pixel magnify columns. */ for (l=0; l < magnify; l++) { /* Propogate each bit plane. */ for (plane=0; plane < ximage->bits_per_pixel; plane++) { byte<<=1; if (*p & (0x80 >> (p_bit+plane))) byte|=foreground; else byte|=background; q_bit++; if (q_bit == 8) { *q++=byte; q_bit=0; byte=0; } } } p_bit+=ximage->bits_per_pixel; if (p_bit == 8) { p++; p_bit=0; } if (q_bit != 0) *q=byte << (8-q_bit); q+=scanline_pad; } } y++; } break; } } } else switch (ximage->bits_per_pixel) { case 6: case 8: { /* Magnify 8 bit X image. */ for (i=0; i < height; i+=magnify) { /* Propogate pixel magnify rows. */ for (j=0; j < magnify; j++) { p=(unsigned char *) ximage->data+y*ximage->bytes_per_line+ ((x*ximage->bits_per_pixel) >> 3); for (k=0; k < width; k+=magnify) { /* Propogate pixel magnify columns. */ for (l=0; l < magnify; l++) *q++=(*p); p++; } q+=scanline_pad; } y++; } break; } default: { register unsigned int bytes_per_pixel, m; /* Magnify multi-byte X image. */ bytes_per_pixel=ximage->bits_per_pixel >> 3; for (i=0; i < height; i+=magnify) { /* Propogate pixel magnify rows. */ for (j=0; j < magnify; j++) { p=(unsigned char *) ximage->data+y*ximage->bytes_per_line+ ((x*ximage->bits_per_pixel) >> 3); for (k=0; k < width; k+=magnify) { /* Propogate pixel magnify columns. */ for (l=0; l < magnify; l++) for (m=0; m < bytes_per_pixel; m++) *q++=(*(p+m)); p+=bytes_per_pixel; } q+=scanline_pad; } y++; } break; } } /* Copy X image to magnify pixmap. */ x=windows->magnify.x-((width/magnify) >> 1); if (x < 0) x=(width >> 1)-windows->magnify.x*magnify; else if (x > (ximage->width-(width/magnify))) x=(ximage->width-windows->magnify.x)*magnify-(width >> 1); else x=0; y=windows->magnify.y-((height/magnify) >> 1); if (y < 0) y=(height >> 1)-windows->magnify.y*magnify; else if (y > (ximage->height-(height/magnify))) y=(ximage->height-windows->magnify.y)*magnify-(height >> 1); else y=0; if ((x != 0) || (y != 0)) XFillRectangle(display,windows->magnify.pixmap, windows->magnify.annotate_context,0,0,width,height); XPutImage(display,windows->magnify.pixmap,windows->magnify.annotate_context, windows->magnify.ximage,0,0,x,y,width-x,height-y); if ((magnify > 1) && ((magnify <= (width >> 1)) && (magnify <= (height >> 1)))) { RectangleInfo highlight_info; /* Highlight center pixel. */ highlight_info.x=windows->magnify.width >> 1; highlight_info.y=windows->magnify.height >> 1; highlight_info.width=magnify; highlight_info.height=magnify; XDrawRectangle(display,windows->magnify.pixmap, windows->magnify.highlight_context,highlight_info.x,highlight_info.y, highlight_info.width-1,highlight_info.height-1); if (magnify > 2) XDrawRectangle(display,windows->magnify.pixmap, windows->magnify.annotate_context,highlight_info.x+1, highlight_info.y+1,highlight_info.width-3,highlight_info.height-3); } /* Show center pixel color. */ color.pixel= XGetPixel(windows->image.ximage,windows->magnify.x,windows->magnify.y); XQueryColor(display,windows->image.map_info->colormap,&color); if (windows->magnify.depth > 12) (void) sprintf(text," %+d%+d (%3u,%3u,%3u) ", windows->magnify.x,windows->magnify.y,XDownScale(color.red), XDownScale(color.green),XDownScale(color.blue)); else (void) sprintf(text," %+d%+d (%3u,%3u,%3u) %lu ", windows->magnify.x,windows->magnify.y,XDownScale(color.red), XDownScale(color.green),XDownScale(color.blue),color.pixel); height=windows->magnify.font_info->ascent+windows->magnify.font_info->descent; x=windows->magnify.font_info->max_bounds.width >> 1; y=windows->magnify.font_info->ascent+(height >> 2); XDrawImageString(display,windows->magnify.pixmap, windows->magnify.annotate_context,x,y,text,strlen(text)); (void) sprintf(text," #%02x%02x%02x ",XDownScale(color.red), XDownScale(color.green),XDownScale(color.blue)); y+=height; XDrawImageString(display,windows->magnify.pixmap, windows->magnify.annotate_context,x,y,text,strlen(text)); /* Refresh magnify window. */ magnify_window=windows->magnify; magnify_window.x=0; magnify_window.y=0; XRefreshWindow(display,&magnify_window,(XEvent *) NULL); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X M a k e P i x m a p % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XMakePixmap creates an X11 pixmap. % % The format of the XMakePixmap routine is: % % status=XMakePixmap(display,resource_info,window) % % A description of each parameter follows: % % o status: Function XMakePixmap returns True if the X pixmap is % successfully created. False is returned is there is a memory shortage. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o window: Specifies a pointer to a XWindowInfo structure. % % */ unsigned int XMakePixmap(display,resource_info,window) Display *display; XResourceInfo *resource_info; XWindowInfo *window; { unsigned int height, width; if (window->ximage == (XImage *) NULL) return(False); /* Display busy cursor. */ XDefineCursor(display,window->id,window->busy_cursor); XFlush(display); /* Create pixmap. */ if (window->pixmap != (Pixmap) NULL) { XFreePixmap(display,window->pixmap); window->pixmap=(Pixmap) NULL; #ifdef HasSharedMemory if (window->shared_memory) if (window->segment_info[1].shmid >= 0) { XShmDetach(display,&window->segment_info[1]); XSync(display,False); shmdt(window->segment_info[1].shmaddr); window->segment_info[1].shmid=(-1); } #endif } width=window->ximage->width; height=window->ximage->height; #ifdef HasSharedMemory if (window->shared_memory) { window->segment_info[3].shmid=(int) shmget(IPC_PRIVATE, window->ximage->bytes_per_line*height,IPC_CREAT | 0777); if (window->segment_info[3].shmid >= 0) { xerror_alert=False; window->segment_info[3].shmaddr=(char *) shmat(window->segment_info[3].shmid,0,0); window->segment_info[3].readOnly=False; XShmAttach(display,&window->segment_info[3]); window->pixmap=XShmCreatePixmap(display,window->id, window->segment_info[3].shmaddr,&window->segment_info[3], width,height,window->depth); if (window->pixmap != (Pixmap) NULL) window->segment_info[1]=window->segment_info[3]; else { shmdt(window->segment_info[3].shmaddr); XShmDetach(display,&window->segment_info[3]); } XSync(display,False); shmctl(window->segment_info[3].shmid,IPC_RMID,0); if (xerror_alert) { window->pixmap=(Pixmap) NULL; xerror_alert=False; } } } #endif if (window->pixmap == (Pixmap) NULL) window->pixmap=XCreatePixmap(display,window->id,width,height,window->depth); if (window->pixmap == (Pixmap) NULL) { /* Unable to allocate pixmap. */ XDefineCursor(display,window->id,window->cursor); return(False); } /* Copy X image to pixmap. */ #ifdef HasSharedMemory if (window->shared_memory) XShmPutImage(display,window->pixmap,window->annotate_context,window->ximage, 0,0,0,0,width,height,True); #endif if (!window->shared_memory) XPutImage(display,window->pixmap,window->annotate_context,window->ximage, 0,0,0,0,width,height); if (resource_info->debug) { (void) fprintf(stderr,"Pixmap:\n"); (void) fprintf(stderr," width, height: %dx%d\n",width,height); } /* Restore cursor. */ XDefineCursor(display,window->id,window->cursor); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X M a k e S t a n d a r d C o l o r m a p % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XMakeStandardColormap creates an X11 Standard Colormap. % % The format of the XMakeStandardColormap routine is: % % XMakeStandardColormap(display,visual_info,resource_info,image, % map_info,pixel_info) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o visual_info: Specifies a pointer to a X11 XVisualInfo structure; % returned from XGetVisualInfo. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % o map_info: If a Standard Colormap type is specified, this structure is % initialized with info from the Standard Colormap. % % o pixel_info: Specifies a pointer to a XPixelInfo structure. % % */ static int IntensityCompare(x,y) const void *x, *y; { DiversityPacket *color_1, *color_2; color_1=(DiversityPacket *) x; color_2=(DiversityPacket *) y; return((int) Intensity(*color_2)-(int) Intensity(*color_1)); } static int PopularityCompare(x,y) const void *x, *y; { DiversityPacket *color_1, *color_2; color_1=(DiversityPacket *) x; color_2=(DiversityPacket *) y; return((int) color_2->count-(int) color_1->count); } void XMakeStandardColormap(display,visual_info,resource_info,image,map_info, pixel_info) Display *display; XVisualInfo *visual_info; XResourceInfo *resource_info; Image *image; XStandardColormap *map_info; XPixelInfo *pixel_info; { Colormap colormap; int status; register int i; unsigned int number_colors, retain_colors; unsigned short gray_value; XColor color, *colors, *p; if (resource_info->map_type != (char *) NULL) { /* Standard Colormap is already defined (i.e. xstdcmap). */ if (pixel_info->pixels != (unsigned long *) NULL) free((char *) pixel_info->pixels); XGetPixelInfo(display,visual_info,map_info,resource_info,image, pixel_info); number_colors=map_info->base_pixel+ (map_info->red_max+1)*(map_info->green_max+1)*(map_info->blue_max+1); if ((map_info->red_max*map_info->green_max*map_info->blue_max) != 0) if (resource_info->dither && !resource_info->color_recovery && (number_colors < MaxColormapSize) && !image->matte) { Image *map_image; register RunlengthPacket *p; /* Improve image appearance with error diffusion. */ map_image=AllocateImage((ImageInfo *) NULL); if (map_image == (Image *) NULL) Error("Unable to dither image","Memory allocation failed"); map_image->columns=number_colors; map_image->rows=1; map_image->packets=map_image->columns*map_image->rows; map_image->pixels=(RunlengthPacket *) malloc(map_image->packets*sizeof(RunlengthPacket)); if (map_image->pixels == (RunlengthPacket *) NULL) Error("Unable to dither image","Memory allocation failed"); /* Initialize colormap image. */ p=map_image->pixels; for (i=0; i < number_colors; i++) { p->red=0; if (map_info->red_max != 0) p->red=(Quantum) (((i/map_info->red_mult)*MaxRGB)/map_info->red_max); p->green=0; if (map_info->green_max != 0) p->green=(Quantum) ((((i/map_info->green_mult) % (map_info->green_max+1))*MaxRGB)/map_info->green_max); p->blue=0; if (map_info->blue_max != 0) p->blue=(Quantum) (((i % map_info->green_mult)*MaxRGB)/map_info->blue_max); p->index=0; p->length=0; p++; } MapImage(image,map_image,True); XGetPixelInfo(display,visual_info,map_info,resource_info,image, pixel_info); image->class=DirectClass; DestroyImage(map_image); } if (resource_info->debug) { (void) fprintf(stderr,"Standard Colormap:\n"); (void) fprintf(stderr," colormap id: 0x%lx\n",map_info->colormap); (void) fprintf(stderr," red, green, blue max: %lu %lu %lu\n", map_info->red_max,map_info->green_max,map_info->blue_max); (void) fprintf(stderr," red, green, blue mult: %lu %lu %lu\n", map_info->red_mult,map_info->green_mult,map_info->blue_mult); } return; } if ((visual_info->class != DirectColor) && (visual_info->class != TrueColor)) if ((image->class == DirectClass) || (image->colors > visual_info->colormap_size)) { /* Image has more colors than the visual supports. */ if (image->matte) { register RunlengthPacket *p; /* Fake matte information. */ Warning("This visual does not support an image matte", XVisualClassName(visual_info->class)); p=image->pixels; for (i=0; i < image->packets; i++) { if (p->index == Transparent) { p->red=XDownScale(pixel_info->background_color.red); p->green=XDownScale(pixel_info->background_color.green); p->blue=XDownScale(pixel_info->background_color.blue); } p++; } } QuantizeImage(image,(unsigned int) visual_info->colormap_size, resource_info->tree_depth,resource_info->dither, resource_info->colorspace); image->class=DirectClass; /* promote to DirectClass */ } /* Free previous and create new colormap. */ XFreeStandardColormap(display,visual_info,map_info,pixel_info); colormap=XDefaultColormap(display,visual_info->screen); if (visual_info->visual != XDefaultVisual(display,visual_info->screen)) colormap=XCreateColormap(display,XRootWindow(display,visual_info->screen), visual_info->visual,visual_info->class == DirectColor ? AllocAll : AllocNone); if (colormap == (Colormap) NULL) Error("Unable to create colormap",(char *) NULL); /* Initialize the map and pixel info structures. */ XGetMapInfo(visual_info,colormap,map_info); XGetPixelInfo(display,visual_info,map_info,resource_info,image,pixel_info); /* Allocating colors in server colormap is based on visual class. */ switch (visual_info->class) { case StaticGray: case StaticColor: { /* Define Standard Colormap for StaticGray or StaticColor visual. */ number_colors=image->colors; colors=(XColor *) malloc(visual_info->colormap_size*sizeof(XColor)); if (colors == (XColor *) NULL) Error("Unable to create colormap","Memory allocation failed"); p=colors; color.flags=DoRed | DoGreen | DoBlue; if (visual_info->class == StaticColor) for (i=0; i < image->colors; i++) { color.red=XUpScale(image->colormap[i].red); color.green=XUpScale(image->colormap[i].green); color.blue=XUpScale(image->colormap[i].blue); status=XAllocColor(display,colormap,&color); if (status == 0) { colormap=XCopyColormapAndFree(display,colormap); XAllocColor(display,colormap,&color); } pixel_info->pixels[i]=color.pixel; *p++=color; } else for (i=0; i < image->colors; i++) { gray_value=XUpScale(Intensity(image->colormap[i])); color.red=gray_value; color.green=gray_value; color.blue=gray_value; status=XAllocColor(display,colormap,&color); if (status == 0) { colormap=XCopyColormapAndFree(display,colormap); XAllocColor(display,colormap,&color); } pixel_info->pixels[i]=color.pixel; *p++=color; } break; } case GrayScale: case PseudoColor: { unsigned int colormap_type; /* Define Standard Colormap for GrayScale or PseudoColor visual. */ number_colors=image->colors; colors=(XColor *) malloc(visual_info->colormap_size*sizeof(XColor)); if (colors == (XColor *) NULL) Error("Unable to create colormap","Memory allocation failed"); /* Preallocate our GUI colors. */ (void) XAllocColor(display,colormap,&pixel_info->foreground_color); (void) XAllocColor(display,colormap,&pixel_info->background_color); (void) XAllocColor(display,colormap,&pixel_info->border_color); (void) XAllocColor(display,colormap,&pixel_info->matte_color); (void) XAllocColor(display,colormap,&pixel_info->highlight_color); (void) XAllocColor(display,colormap,&pixel_info->shadow_color); (void) XAllocColor(display,colormap,&pixel_info->depth_color); (void) XAllocColor(display,colormap,&pixel_info->trough_color); for (i=0; i < MaxNumberPens; i++) (void) XAllocColor(display,colormap,&pixel_info->pen_color[i]); /* Determine if image colors will "fit" into X server colormap. */ colormap_type=resource_info->colormap; status=XAllocColorCells(display,colormap,False,(unsigned long *) NULL,0, pixel_info->pixels,image->colors); if (status != 0) colormap_type=PrivateColormap; if (colormap_type == SharedColormap) { DiversityPacket *diversity; register RunlengthPacket *q; unsigned short index; /* Define Standard colormap for shared GrayScale or PseudoColor visual: */ diversity=(DiversityPacket *) malloc(image->colors*sizeof(DiversityPacket)); if (diversity == (DiversityPacket *) NULL) Error("Unable to create colormap","Memory allocation failed"); for (i=0; i < image->colors; i++) { diversity[i].red=image->colormap[i].red; diversity[i].green=image->colormap[i].green; diversity[i].blue=image->colormap[i].blue; diversity[i].index=(unsigned short) i; diversity[i].count=0; } q=image->pixels; for (i=0; i < image->packets; i++) { diversity[q->index].count+=(q->length+1); q++; } /* Sort colors by decreasing intensity. */ qsort((void *) diversity,image->colors,sizeof(DiversityPacket), (int (*) _Declare((const void *, const void *))) IntensityCompare); for (i=0; i < image->colors; i+=Max(image->colors >> 4,2)) diversity[i].count<<=4; /* increase this colors popularity */ diversity[image->colors-1].count<<=4; qsort((void *) diversity,image->colors,sizeof(DiversityPacket), (int (*) _Declare((const void *, const void *))) PopularityCompare); /* Allocate colors. */ p=colors; color.flags=DoRed | DoGreen | DoBlue; if (visual_info->class == PseudoColor) for (i=0; i < image->colors; i++) { index=diversity[i].index; color.red=XUpScale(image->colormap[index].red); color.green=XUpScale(image->colormap[index].green); color.blue=XUpScale(image->colormap[index].blue); status=XAllocColor(display,colormap,&color); if (status == 0) break; pixel_info->pixels[index]=color.pixel; *p++=color; } else for (i=0; i < image->colors; i++) { index=diversity[i].index; gray_value=XUpScale(Intensity(image->colormap[index])); color.red=gray_value; color.green=gray_value; color.blue=gray_value; status=XAllocColor(display,colormap,&color); if (status == 0) break; pixel_info->pixels[index]=color.pixel; *p++=color; } if (i < image->colors) { register int j; XColor *server_colors; /* Read X server colormap. */ server_colors=(XColor *) malloc(visual_info->colormap_size*sizeof(XColor)); if (server_colors == (XColor *) NULL) Error("Unable to create colormap","Memory allocation failed"); for (j=0; j < visual_info->colormap_size; j++) server_colors[j].pixel=(unsigned long) j; XQueryColors(display,colormap,server_colors, (int) Min(visual_info->colormap_size,256)); /* Select remaining colors from X server colormap. */ if (visual_info->class == PseudoColor) for (; i < image->colors; i++) { index=diversity[i].index; color.red=XUpScale(image->colormap[index].red); color.green=XUpScale(image->colormap[index].green); color.blue=XUpScale(image->colormap[index].blue); XBestPixel(display,colormap,server_colors, (unsigned int) visual_info->colormap_size,&color); pixel_info->pixels[index]=color.pixel; *p++=color; } else for (; i < image->colors; i++) { index=diversity[i].index; gray_value=XUpScale(Intensity(image->colormap[index])); color.red=gray_value; color.green=gray_value; color.blue=gray_value; XBestPixel(display,colormap,server_colors, (unsigned int) visual_info->colormap_size,&color); pixel_info->pixels[index]=color.pixel; *p++=color; } if (image->colors < visual_info->colormap_size) { /* Fill up colors array-- more choices for pen colors. */ retain_colors= Min(visual_info->colormap_size-image->colors,256); for (i=0; i < retain_colors; i++) *p++=server_colors[i]; number_colors+=retain_colors; } free((char *) server_colors); } free((char *) diversity); break; } /* Define Standard colormap for private GrayScale or PseudoColor visual. */ if (status == 0) { /* Not enough colormap entries in the colormap-- Create a new colormap. */ colormap=XCreateColormap(display, XRootWindow(display,visual_info->screen),visual_info->visual, AllocNone); if (colormap == (Colormap) NULL) Error("Unable to create colormap",(char *) NULL); map_info->colormap=colormap; if (image->colors < visual_info->colormap_size) { /* Retain colors from the default colormap to help lessens the effects of colormap flashing. */ retain_colors=Min(visual_info->colormap_size-image->colors,256); p=colors+image->colors; for (i=0; i < retain_colors; i++) { p->pixel=(unsigned long) i; p++; } XQueryColors(display, XDefaultColormap(display,visual_info->screen), colors+image->colors,(int) retain_colors); /* Transfer colors from default to private colormap. */ XAllocColorCells(display,colormap,False,(unsigned long *) NULL,0, pixel_info->pixels,retain_colors); p=colors+image->colors; for (i=0; i < retain_colors; i++) { p->pixel=pixel_info->pixels[i]; p++; } XStoreColors(display,colormap,colors+image->colors,retain_colors); number_colors+=retain_colors; } XAllocColorCells(display,colormap,False,(unsigned long *) NULL,0, pixel_info->pixels,image->colors); } /* Store the image colormap. */ p=colors; color.flags=DoRed | DoGreen | DoBlue; if (visual_info->class == PseudoColor) for (i=0; i < image->colors; i++) { color.red=XUpScale(image->colormap[i].red); color.green=XUpScale(image->colormap[i].green); color.blue=XUpScale(image->colormap[i].blue); color.pixel=pixel_info->pixels[i]; *p++=color; } else for (i=0; i < image->colors; i++) { gray_value=XUpScale(Intensity(image->colormap[i])); color.red=gray_value; color.green=gray_value; color.blue=gray_value; color.pixel=pixel_info->pixels[i]; *p++=color; } XStoreColors(display,colormap,colors,image->colors); break; } case TrueColor: case DirectColor: default: { unsigned int linear_colormap; /* Define Standard Colormap for TrueColor or DirectColor visual. */ number_colors=(unsigned int) ((map_info->red_max*map_info->red_mult)+ (map_info->green_max*map_info->green_mult)+ (map_info->blue_max*map_info->blue_mult)+1); linear_colormap=(number_colors > 4096) || (((map_info->red_max+1) == visual_info->colormap_size) && ((map_info->green_max+1) == visual_info->colormap_size) && ((map_info->blue_max+1) == visual_info->colormap_size)); if (linear_colormap) number_colors=visual_info->colormap_size; /* Allocate color array. */ colors=(XColor *) malloc(number_colors*sizeof(XColor)); if (colors == (XColor *) NULL) Error("Unable to create colormap","Memory allocation failed"); /* Initialize linear color ramp. */ p=colors; color.flags=DoRed | DoGreen | DoBlue; if (linear_colormap) for (i=0; i < number_colors; i++) { color.blue=(unsigned short) 0; if (map_info->blue_max != 0) color.blue=(unsigned short) (((i % map_info->green_mult)*65535U)/map_info->blue_max); color.green=color.blue; color.red=color.blue; color.pixel=XStandardPixel(map_info,color,16); *p++=color; } else for (i=0; i < number_colors; i++) { color.red=(unsigned short) 0; if (map_info->red_max != 0) color.red=(unsigned short) (((i/map_info->red_mult)*65535U)/map_info->red_max); color.green=(unsigned short) 0; if (map_info->green_max != 0) color.green=(unsigned short) ((((i/map_info->green_mult) % (map_info->green_max+1))*65535U)/map_info->green_max); color.blue=(unsigned short) 0; if (map_info->blue_max != 0) color.blue=(unsigned short) (((i % map_info->green_mult)*65535U)/map_info->blue_max); color.pixel=XStandardPixel(map_info,color,16); *p++=color; } if ((visual_info->class == DirectColor) && (colormap != XDefaultColormap(display,visual_info->screen))) XStoreColors(display,colormap,colors,number_colors); else for (i=0; i < number_colors; i++) XAllocColor(display,colormap,&colors[i]); break; } } if ((visual_info->class != DirectColor) && (visual_info->class != TrueColor)) { /* Set foreground, background, border, etc. pixels. */ XBestPixel(display,colormap,colors,number_colors, &pixel_info->foreground_color); XBestPixel(display,colormap,colors,number_colors, &pixel_info->background_color); if (pixel_info->background_color.pixel == pixel_info->foreground_color.pixel) { /* Foreground and background colors must differ. */ pixel_info->background_color.red=(~pixel_info->foreground_color.red); pixel_info->background_color.green= (~pixel_info->foreground_color.green); pixel_info->background_color.blue= (~pixel_info->foreground_color.blue); XBestPixel(display,colormap,colors,number_colors, &pixel_info->background_color); } XBestPixel(display,colormap,colors,number_colors, &pixel_info->border_color); XBestPixel(display,colormap,colors,number_colors, &pixel_info->matte_color); XBestPixel(display,colormap,colors,number_colors, &pixel_info->highlight_color); XBestPixel(display,colormap,colors,number_colors, &pixel_info->shadow_color); XBestPixel(display,colormap,colors,number_colors, &pixel_info->depth_color); XBestPixel(display,colormap,colors,number_colors, &pixel_info->trough_color); for (i=0; i < MaxNumberPens; i++) { XBestPixel(display,colormap,colors,number_colors, &pixel_info->pen_color[i]); pixel_info->pixels[image->colors+i]=pixel_info->pen_color[i].pixel; } pixel_info->colors=image->colors+MaxNumberPens; } free((char *) colors); if (resource_info->debug) { (void) fprintf(stderr,"Standard Colormap:\n"); (void) fprintf(stderr," colormap id: 0x%lx\n",map_info->colormap); (void) fprintf(stderr," red, green, blue max: %lu %lu %lu\n", map_info->red_max,map_info->green_max,map_info->blue_max); (void) fprintf(stderr," red, green, blue mult: %lu %lu %lu\n", map_info->red_mult,map_info->green_mult,map_info->blue_mult); } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X M a k e W i n d o w % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XMakeWindow creates an X11 window. % % The format of the XMakeWindow routine is: % % XMakeWindow(display,parent,argv,argc,class_hint,manager_hints, % window_info) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o parent: Specifies the parent window_info. % % o argv: Specifies the application's argument list. % % o argc: Specifies the number of arguments. % % o class_hint: Specifies a pointer to a X11 XClassHint structure. % % o manager_hints: Specifies a pointer to a X11 XWMHints structure. % % o window_info: Specifies a pointer to a X11 XWindowInfo structure. % % */ void XMakeWindow(display,parent,argv,argc,class_hint,manager_hints,window_info) Display *display; Window parent; char **argv; int argc; XClassHint *class_hint; XWMHints *manager_hints; XWindowInfo *window_info; { #define MinWindowSize 64 Atom atom_list[2]; int gravity, status; XSizeHints *size_hints; XTextProperty icon_name, window_name; /* Set window_info hints. */ size_hints=XAllocSizeHints(); if (size_hints == (XSizeHints *) NULL) Error("Unable to make X window","Memory allocation failed"); size_hints->flags=window_info->flags; size_hints->x=window_info->x; size_hints->y=window_info->y; size_hints->width=window_info->width; size_hints->height=window_info->height; if (window_info->immutable) { /* Window size cannot be changed. */ size_hints->min_width=size_hints->width; size_hints->min_height=size_hints->height; size_hints->max_width=size_hints->width; size_hints->max_height=size_hints->height; size_hints->flags|=PMinSize; size_hints->flags|=PMaxSize; } else { /* Window size can be changed. */ size_hints->min_width=window_info->min_width; size_hints->min_height=window_info->min_height; size_hints->flags|=PResizeInc; size_hints->width_inc=window_info->width_inc; size_hints->height_inc=window_info->height_inc; #ifndef PRE_R4_ICCCM size_hints->flags|=PBaseSize; size_hints->base_width=size_hints->width_inc; size_hints->base_height=size_hints->height_inc; #endif } gravity=NorthWestGravity; if (window_info->geometry != (char *) NULL) { char default_geometry[MaxTextLength], geometry[MaxTextLength]; int flags; register char *p; /* User specified geometry. */ (void) sprintf(default_geometry,"%dx%d",size_hints->width, size_hints->height); (void) strcpy(geometry,window_info->geometry); p=geometry; while ((int) strlen(p) > 0) { if (!isspace(*p) && (*p != '%')) p++; else (void) strcpy(p,p+1); } flags=XWMGeometry(display,window_info->screen,geometry,default_geometry, window_info->border_width,size_hints,&size_hints->x,&size_hints->y, &size_hints->width,&size_hints->height,&gravity); if ((flags & WidthValue) && (flags & HeightValue)) size_hints->flags|=USSize; if ((flags & XValue) && (flags & YValue)) { size_hints->flags|=USPosition; window_info->x=size_hints->x; window_info->y=size_hints->y; } } #ifndef PRE_R4_ICCCM size_hints->win_gravity=gravity; size_hints->flags|=PWinGravity; #endif if (window_info->id == (Window) NULL) window_info->id=XCreateWindow(display,parent,window_info->x,window_info->y, window_info->width,window_info->height,window_info->border_width, window_info->depth,InputOutput,window_info->visual,window_info->mask, &window_info->attributes); else { unsigned int mask; XEvent sans_event; XWindowChanges window_changes; /* Window already exists; change relevant attributes. */ XChangeWindowAttributes(display,window_info->id,window_info->mask, &window_info->attributes); mask=ConfigureNotify; while (XCheckTypedWindowEvent(display,window_info->id,mask,&sans_event)); window_changes.x=window_info->x; window_changes.y=window_info->y; window_changes.width=window_info->width; window_changes.height=window_info->height; mask=CWWidth | CWHeight; if (window_info->flags & USPosition) mask|=CWX | CWY; XReconfigureWMWindow(display,window_info->id,window_info->screen,mask, &window_changes); } if (window_info->id == (Window) NULL) Error("Unable to create window",window_info->name); status=XStringListToTextProperty(&window_info->name,1,&window_name); if (status == 0) Error("Unable to create text property",window_info->name); status=XStringListToTextProperty(&window_info->icon_name,1,&icon_name); if (status == 0) Error("Unable to create text property",window_info->icon_name); if (window_info->icon_geometry != (char *) NULL) { int flags, gravity, height, width; /* User specified icon geometry. */ size_hints->flags|=USPosition; flags=XWMGeometry(display,window_info->screen,window_info->icon_geometry, (char *) NULL,0,size_hints,&manager_hints->icon_x, &manager_hints->icon_y,&width,&height,&gravity); if ((flags & XValue) && (flags & YValue)) manager_hints->flags|=IconPositionHint; } XSetWMProperties(display,window_info->id,&window_name,&icon_name,argv,argc, size_hints,manager_hints,class_hint); XFree((void *) window_name.value); XFree((void *) icon_name.value); atom_list[0]=XInternAtom(display,"WM_DELETE_WINDOW",False); atom_list[1]=XInternAtom(display,"WM_TAKE_FOCUS",False); XSetWMProtocols(display,window_info->id,atom_list,2); XFree((void *) size_hints); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X M o n t a g e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XMontageImage creates a composite image by combining several % separate images. % % The format of the MontageImage routine is: % % XMontageImage(images,resource_info,montage_info,filename) % % A description of each parameter follows: % % o image: Specifies a pointer to an array of Image structures. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o montage_info: Specifies a pointer to a XMontageInfo structure. % % o filename: Specifies the name of the montage image. % % */ static int NumberLines(label) char *label; { int number_lines; if (label == (char *) NULL) return(0); for (number_lines=1; *label != '\0'; label++) if (*label == '\n') number_lines++; return(number_lines); } static int SceneCompare(x,y) const void *x, *y; { Image **image_1, **image_2; image_1=(Image **) x; image_2=(Image **) y; return((int) (*image_1)->scene-(int) (*image_2)->scene); } Image *XMontageImage(images,resource_info,montage_info,filename) Image **images; XResourceInfo *resource_info; XMontageInfo *montage_info; char *filename; { AnnotateInfo annotate_info; char geometry[MaxTextLength]; ColorPacket background_color, border_color, highlight_color, matte_color, shadow_color; Display *display; Image *image, *montage_image; int x, x_offset, y, y_offset; register int i; register RunlengthPacket *p; RectangleInfo tile_info; unsigned int border_width, bevel_width, count, height, number_images, number_lines, number_tiles, tile, tiles_per_column, tiles_per_row, title_offset; XColor color; /* Sort images by increasing tile number. */ number_tiles=montage_info->number_tiles; number_lines=0; count=0; for (tile=0; tile < number_tiles; tile++) { count+=images[tile]->scene; if (NumberLines(images[tile]->label) > number_lines) number_lines=NumberLines(images[tile]->label); } if (count != 0) qsort((void *) images,number_tiles,sizeof(Image *), (int (*) _Declare((const void *, const void *))) SceneCompare); /* Determine tiles per row and column. */ tiles_per_row=1; tiles_per_column=1; while ((tiles_per_row*tiles_per_column) < number_tiles) { tiles_per_row++; tiles_per_column++; } if (montage_info->tile != (char *) NULL) { tiles_per_column=montage_info->number_tiles; XParseGeometry(montage_info->tile,&x,&y,&tiles_per_row,&tiles_per_column); } /* Determine tile sizes. */ border_width=resource_info->border_width; bevel_width=0; if (montage_info->frame) { bevel_width=(border_width >> 2)+1; border_width+=bevel_width << 1; } tile_info.x=resource_info->border_width; tile_info.y=resource_info->border_width; if (resource_info->image_geometry != (char *) NULL) { XParseGeometry(resource_info->image_geometry,&tile_info.x,&tile_info.y, &tile_info.width,&tile_info.height); if (tile_info.x < 0) tile_info.x=0; if (tile_info.y < 0) tile_info.y=0; } tile_info.width=images[0]->columns; tile_info.height=images[0]->rows; for (tile=1; tile < montage_info->number_tiles; tile++) { if (images[tile]->columns > tile_info.width) tile_info.width=images[tile]->columns; if (images[tile]->rows > tile_info.height) tile_info.height=images[tile]->rows; } /* Initialize tile colors. */ (void) XQueryColorDatabase(resource_info->background_color,&color); background_color.red=XDownScale(color.red); background_color.green=XDownScale(color.green); background_color.blue=XDownScale(color.blue); background_color.index=0; (void) XQueryColorDatabase(resource_info->border_color,&color); border_color.red=XDownScale(color.red); border_color.green=XDownScale(color.green); border_color.blue=XDownScale(color.blue); border_color.index=0; (void) XQueryColorDatabase(resource_info->matte_color,&color); matte_color.red=XDownScale(color.red); matte_color.green=XDownScale(color.green); matte_color.blue=XDownScale(color.blue); matte_color.index=0; highlight_color.red=(XDownScale(color.red)*HighlightModulate+ (unsigned int) (MaxRGB-HighlightModulate)*MaxRGB)/MaxRGB; highlight_color.green=(XDownScale(color.green)*HighlightModulate+ (unsigned int) (MaxRGB-HighlightModulate)*MaxRGB)/MaxRGB; highlight_color.blue=(XDownScale(color.blue)*HighlightModulate+ (unsigned int) (MaxRGB-HighlightModulate)*MaxRGB)/MaxRGB; highlight_color.index=0; (void) XQueryColorDatabase(resource_info->matte_color,&color); shadow_color.red=(unsigned int) (XDownScale(color.red)*ShadowModulate)/MaxRGB; shadow_color.green=(unsigned int) (XDownScale(color.green)*ShadowModulate)/MaxRGB; shadow_color.blue=(unsigned int) (XDownScale(color.blue)*ShadowModulate)/MaxRGB; shadow_color.index=0; /* Initialize annotate info. */ GetAnnotateInfo(&annotate_info); annotate_info.server_name=resource_info->server_name; annotate_info.font=resource_info->font; annotate_info.pen=resource_info->foreground_color; annotate_info.geometry=geometry; annotate_info.center=True; height=DefaultPointSize; title_offset=0; if (resource_info->title != (char *) NULL) title_offset= ((height*NumberLines(resource_info->title)) << 1)+(tile_info.y << 1); display=XOpenDisplay(resource_info->server_name); if (display != (Display *) NULL) { XFontStruct *font_info; /* Initialize font info. */ font_info=XBestFont(display,resource_info,False); if (font_info == (XFontStruct *) NULL) { Warning("Unable to montage images","Memory allocation failed"); return((Image *) NULL); } height=font_info->ascent+font_info->descent; XFreeFont(display,font_info); XCloseDisplay(display); } /* Allocate image structure. */ montage_image=AllocateImage((ImageInfo *) NULL); if (montage_image == (Image *) NULL) { Warning("Unable to montage images","Memory allocation failed"); return((Image *) NULL); } montage_image->scene=1; number_images= (montage_info->number_tiles-1)/(tiles_per_row*tiles_per_column)+1; for (i=0; i < number_images; i++) { /* Initialize Image structure. */ (void) strcpy(montage_image->filename,filename); montage_image->columns= (tile_info.width+(tile_info.x+border_width)*2)*tiles_per_row; number_tiles=Min(montage_info->number_tiles,tiles_per_row*tiles_per_column); montage_image->rows=(tile_info.height+(tile_info.y+border_width)*2+ (height+4)*number_lines)*(number_tiles/tiles_per_row+ ((number_tiles % tiles_per_row) != 0)); montage_image->rows+=title_offset; montage_image->montage=(char *) malloc(MaxTextLength*sizeof(char)); count=1; for (tile=0; tile < number_tiles; tile++) count+=strlen(images[tile]->filename)+1; montage_image->directory=(char *) malloc(count*sizeof(char)); montage_image->packets=montage_image->columns*montage_image->rows; montage_image->pixels=(RunlengthPacket *) malloc((unsigned int) montage_image->packets*sizeof(RunlengthPacket)); if ((montage_image->montage == (char *) NULL) || (montage_image->directory == (char *) NULL) || (montage_image->pixels == (RunlengthPacket *) NULL)) { Warning("Unable to montage images","Memory allocation failed"); DestroyImages(montage_image); return((Image *) NULL); } /* Set montage geometry. */ x_offset=0; y_offset=title_offset; *montage_image->directory='\0'; (void) sprintf(montage_image->montage,"%dx%d%+d%+d", (int) (tile_info.width+(tile_info.x+border_width)*2), (int) (tile_info.height+(tile_info.y+border_width)*2+(height+4)* number_lines),x_offset,y_offset); /* Initialize montage image to background color. */ p=montage_image->pixels; for (x=0; x < montage_image->packets; x++) { p->red=background_color.red; p->green=background_color.green; p->blue=background_color.blue; p->index=0; p->length=0; p++; } if (montage_info->texture != (char *) NULL) { Image *texture_image; ImageInfo texture_info; GetImageInfo(&texture_info); (void) strcpy(texture_info.filename,montage_info->texture); texture_image=ReadImage(&texture_info); if (texture_image != (Image *) NULL) { /* Tile texture onto the image background. */ for (y=0; y < montage_image->rows; y+=texture_image->rows) for (x=0; x < montage_image->columns; x+=texture_image->columns) CompositeImage(montage_image,ReplaceCompositeOp,texture_image, x,y); DestroyImage(texture_image); } } if (resource_info->title != (char *) NULL) { /* Annotate composite image with title. */ (void) sprintf(annotate_info.geometry,"%ux%u%+d%+d", montage_image->columns,height << 1,0,tile_info.y+4); annotate_info.text=resource_info->title; AnnotateImage(montage_image,&annotate_info); } /* Copy tile images to the composite image. */ x_offset=tile_info.x; y_offset=title_offset+tile_info.y; *montage_image->directory='\0'; for (tile=0; tile < number_tiles; tile++) { /* Copy this tile to the composite image. */ image=images[tile]; (void) strcat(montage_image->directory,image->filename); (void) strcat(montage_image->directory,"\n"); if (border_width != 0) { Image *bordered_image; RectangleInfo border_info; /* Put a border around the image. */ border_info.width=border_width; border_info.height=border_width; if (montage_info->frame) { border_info.width=(tile_info.width-image->columns+1) >> 1; border_info.height=(tile_info.height-image->rows+1) >> 1; } bordered_image=BorderImage(image,&border_info,&border_color); if (bordered_image != (Image *) NULL) { DestroyImage(image); image=bordered_image; } } /* Gravitate image as specified by the tile gravity. */ switch (resource_info->gravity) { case NorthWestGravity: { x=0; y=0; break; } case NorthGravity: { x=((tile_info.width+(border_width << 1))-image->columns) >> 1; y=0; break; } case NorthEastGravity: { x=(tile_info.width+(border_width << 1))-image->columns; y=0; break; } case WestGravity: { x=0; y=((tile_info.height+(border_width << 1))-image->rows) >> 1; break; } case ForgetGravity: case StaticGravity: case CenterGravity: default: { x=((tile_info.width+(border_width << 1))-image->columns) >> 1; y=((tile_info.height+(border_width << 1))-image->rows) >> 1; break; } case EastGravity: { x=(tile_info.width+(border_width << 1))-image->columns; y=((tile_info.height+(border_width << 1))-image->rows) >> 1; break; } case SouthWestGravity: { x=0; y=(tile_info.height+(border_width << 1))-image->rows; break; } case SouthGravity: { x=((tile_info.width+(border_width << 1))-image->columns) >> 1; y=(tile_info.height+(border_width << 1))-image->rows; break; } case SouthEastGravity: { x=(tile_info.width+(border_width << 1))-image->columns; y=(tile_info.height+(border_width << 1))-image->rows; break; } } if (montage_info->frame && (bevel_width != 0)) { FrameInfo frame_info; Image *framed_image; /* Put an ornamental border around this tile. */ frame_info.matte_color=matte_color; frame_info.highlight_color=highlight_color; frame_info.shadow_color=shadow_color; frame_info.width=tile_info.width+(border_width << 1); frame_info.height=tile_info.height+(border_width << 1); frame_info.height+=(height+4)*number_lines; frame_info.x=(x > 0 ? x : border_width); frame_info.y=(y > 0 ? y : border_width); frame_info.inner_bevel=bevel_width; frame_info.outer_bevel=bevel_width; framed_image=FrameImage(image,&frame_info); if (framed_image != (Image *) NULL) { DestroyImage(image); image=framed_image; } x=0; y=0; } /* Composite background image with tile image. */ CompositeImage(montage_image,montage_info->compose,image, x_offset+x,y_offset+y); if (montage_info->shadow) { ColorPacket shadow_color, trough_color; register int columns, rows; /* Put a shadow under the tile to show depth. */ (void) XQueryColorDatabase(resource_info->background_color,&color); shadow_color.red=(unsigned int) (XDownScale(color.red)*ShadowModulate)/MaxRGB; shadow_color.green=(unsigned int) (XDownScale(color.green)*ShadowModulate)/MaxRGB; shadow_color.blue=(unsigned int) (XDownScale(color.blue)*ShadowModulate)/MaxRGB; (void) XQueryColorDatabase(resource_info->background_color,&color); trough_color.red=(unsigned int) (XDownScale(color.red)*TroughModulate)/MaxRGB; trough_color.green=(unsigned int) (XDownScale(color.green)*TroughModulate)/MaxRGB; trough_color.blue=(unsigned int) (XDownScale(color.blue)*TroughModulate)/MaxRGB; for (rows=0; rows < image->rows; rows++) { p=montage_image->pixels+montage_image->columns*(y_offset+y+rows+4)+ x_offset+x+image->columns; for (columns=0; columns < Min(tile_info.x,4); columns++) { if (((columns+rows) % 2) == 0) { p->red=shadow_color.red; p->green=shadow_color.green; p->blue=shadow_color.blue; } else { p->red=trough_color.red; p->green=trough_color.green; p->blue=trough_color.blue; } p++; } } for (rows=0; rows < Min(tile_info.y,4); rows++) { p=montage_image->pixels+montage_image->columns* (y_offset+y+image->rows+rows)+x_offset+x+4; for (columns=0; columns < image->columns; columns++) { if (((columns+rows) % 2) == 0) { p->red=shadow_color.red; p->green=shadow_color.green; p->blue=shadow_color.blue; } else { p->red=trough_color.red; p->green=trough_color.green; p->blue=trough_color.blue; } p++; } } } if (image->label != (char *) NULL) { /* Annotate composite image tile with label. */ (void) sprintf(annotate_info.geometry,"%ux%u%+d%+d",image->columns- (border_width << 1),height,x_offset+border_width, montage_info->frame ? y_offset+tile_info.height+(border_width << 1)- bevel_width-2 : y_offset+y+tile_info.y+image->rows+2); annotate_info.text=image->label; AnnotateImage(montage_image,&annotate_info); } DestroyImage(image); if (((tile+1) % tiles_per_row) != 0) x_offset+=tile_info.width+(tile_info.x+border_width)*2; else { x_offset=tile_info.x; y_offset+=tile_info.height+(tile_info.y+border_width)*2+(height+4)* number_lines; } } if (i < (number_images-1)) { /* Allocate next image structure. */ CompressImage(montage_image); montage_image->next=AllocateImage((ImageInfo *) NULL); if (montage_image->next == (Image *) NULL) { DestroyImages(montage_image); return((Image *) NULL); } (void) strcpy(montage_image->next->filename,filename); montage_image->next->file=montage_image->file; montage_image->next->scene=montage_image->scene+1; montage_image->next->previous=montage_image; montage_image=montage_image->next; images+=number_tiles; montage_info->number_tiles-=number_tiles; } } CompressImage(montage_image); while (montage_image->previous != (Image *) NULL) montage_image=montage_image->previous; return(montage_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X Q u e r y C o l o r D a t a b a s e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XQueryColorDatabase looks up a RGB values for a color given in the % target string. % % The format of the XQueryColorDatabase routine is: % % status=XQueryColorDatabase(target,color) % % A description of each parameter follows: % % o status: Function XQueryColorDatabase returns True if the RGB values % of the target color is defined, otherwise False is returned. % % o target: Specifies the color to lookup in the X color database. % % o color: A pointer to an XColor structure. The RGB value of the target % color is returned as this value. % % */ unsigned int XQueryColorDatabase(target,color) char *target; XColor *color; { typedef struct _XColorList { char *name; unsigned char red, green, blue; } XColorList; static XColorList colorlist[] = { { "AliceBlue", 240, 248, 255 }, { "AntiqueWhite", 250, 235, 215 }, { "AntiqueWhite1", 255, 239, 219 }, { "AntiqueWhite2", 238, 223, 204 }, { "AntiqueWhite3", 205, 192, 176 }, { "AntiqueWhite4", 139, 131, 120 }, { "BlanchedAlmond", 255, 235, 205 }, { "BlueViolet", 138, 43, 226 }, { "CadetBlue", 95, 158, 160 }, { "CadetBlue1", 152, 245, 255 }, { "CadetBlue2", 142, 229, 238 }, { "CadetBlue3", 122, 197, 205 }, { "CadetBlue4", 83, 134, 139 }, { "CornflowerBlue", 100, 149, 237 }, { "Crimson", 220, 20, 60 }, { "DarkBlue", 0, 0, 139 }, { "DarkCyan", 0, 139, 139 }, { "DarkGoldenrod", 184, 134, 11 }, { "DarkGoldenrod1", 255, 185, 15 }, { "DarkGoldenrod2", 238, 173, 14 }, { "DarkGoldenrod3", 205, 149, 12 }, { "DarkGoldenrod4", 139, 101, 8 }, { "DarkGray", 169, 169, 169 }, { "DarkGreen", 0, 100, 0 }, { "DarkGrey", 169, 169, 169 }, { "DarkKhaki", 189, 183, 107 }, { "DarkMagenta", 139, 0, 139 }, { "DarkOliveGreen", 85, 107, 47 }, { "DarkOliveGreen1", 202, 255, 112 }, { "DarkOliveGreen2", 188, 238, 104 }, { "DarkOliveGreen3", 162, 205, 90 }, { "DarkOliveGreen4", 110, 139, 61 }, { "DarkOrange", 255, 140, 0 }, { "DarkOrange1", 255, 127, 0 }, { "DarkOrange2", 238, 118, 0 }, { "DarkOrange3", 205, 102, 0 }, { "DarkOrange4", 139, 69, 0 }, { "DarkOrchid", 153, 50, 204 }, { "DarkOrchid1", 191, 62, 255 }, { "DarkOrchid2", 178, 58, 238 }, { "DarkOrchid3", 154, 50, 205 }, { "DarkOrchid4", 104, 34, 139 }, { "DarkRed", 139, 0, 0 }, { "DarkSalmon", 233, 150, 122 }, { "DarkSeaGreen", 143, 188, 143 }, { "DarkSeaGreen1", 193, 255, 193 }, { "DarkSeaGreen2", 180, 238, 180 }, { "DarkSeaGreen3", 155, 205, 155 }, { "DarkSeaGreen4", 105, 139, 105 }, { "DarkSlateBlue", 72, 61, 139 }, { "DarkSlateGray", 47, 79, 79 }, { "DarkSlateGray1", 151, 255, 255 }, { "DarkSlateGray2", 141, 238, 238 }, { "DarkSlateGray3", 121, 205, 205 }, { "DarkSlateGray4", 82, 139, 139 }, { "DarkSlateGrey", 47, 79, 79 }, { "DarkTurquoise", 0, 206, 209 }, { "DarkViolet", 148, 0, 211 }, { "DeepPink", 255, 20, 147 }, { "DeepPink1", 255, 20, 147 }, { "DeepPink2", 238, 18, 137 }, { "DeepPink3", 205, 16, 118 }, { "DeepPink4", 139, 10, 80 }, { "DeepSkyBlue", 0, 191, 255 }, { "DeepSkyBlue1", 0, 191, 255 }, { "DeepSkyBlue2", 0, 178, 238 }, { "DeepSkyBlue3", 0, 154, 205 }, { "DeepSkyBlue4", 0, 104, 139 }, { "DimGray", 105, 105, 105 }, { "DimGrey", 105, 105, 105 }, { "DodgerBlue", 30, 144, 255 }, { "DodgerBlue1", 30, 144, 255 }, { "DodgerBlue2", 28, 134, 238 }, { "DodgerBlue3", 24, 116, 205 }, { "DodgerBlue4", 16, 78, 139 }, { "FloralWhite", 255, 250, 240 }, { "ForestGreen", 34, 139, 34 }, { "GhostWhite", 248, 248, 255 }, { "GreenYellow", 173, 255, 47 }, { "HotPink", 255, 105, 180 }, { "HotPink1", 255, 110, 180 }, { "HotPink2", 238, 106, 167 }, { "HotPink3", 205, 96, 144 }, { "HotPink4", 139, 58, 98 }, { "IndianRed", 205, 92, 92 }, { "IndianRed1", 255, 106, 106 }, { "IndianRed2", 238, 99, 99 }, { "IndianRed3", 205, 85, 85 }, { "IndianRed4", 139, 58, 58 }, { "Indigo", 75, 0, 130 }, { "Indigo2", 33, 136, 104 }, { "LavenderBlush", 255, 240, 245 }, { "LavenderBlush1", 255, 240, 245 }, { "LavenderBlush2", 238, 224, 229 }, { "LavenderBlush3", 205, 193, 197 }, { "LavenderBlush4", 139, 131, 134 }, { "LawnGreen", 124, 252, 0 }, { "LemonChiffon", 255, 250, 205 }, { "LemonChiffon1", 255, 250, 205 }, { "LemonChiffon2", 238, 233, 191 }, { "LemonChiffon3", 205, 201, 165 }, { "LemonChiffon4", 139, 137, 112 }, { "LightBlue", 173, 216, 230 }, { "LightBlue1", 191, 239, 255 }, { "LightBlue2", 178, 223, 238 }, { "LightBlue3", 154, 192, 205 }, { "LightBlue4", 104, 131, 139 }, { "LightCoral", 240, 128, 128 }, { "LightCyan", 224, 255, 255 }, { "LightCyan1", 224, 255, 255 }, { "LightCyan2", 209, 238, 238 }, { "LightCyan3", 180, 205, 205 }, { "LightCyan4", 122, 139, 139 }, { "LightGoldenrod", 238, 221, 130 }, { "LightGoldenrod1", 255, 236, 139 }, { "LightGoldenrod2", 238, 220, 130 }, { "LightGoldenrod3", 205, 190, 112 }, { "LightGoldenrod4", 139, 129, 76 }, { "LightGoldenrodYellow", 250, 250, 210 }, { "LightGray", 211, 211, 211 }, { "LightGreen", 144, 238, 144 }, { "LightGrey", 211, 211, 211 }, { "LightPink", 255, 182, 193 }, { "LightPink1", 255, 174, 185 }, { "LightPink2", 238, 162, 173 }, { "LightPink3", 205, 140, 149 }, { "LightPink4", 139, 95, 101 }, { "LightSalmon", 255, 160, 122 }, { "LightSalmon1", 255, 160, 122 }, { "LightSalmon2", 238, 149, 114 }, { "LightSalmon3", 205, 129, 98 }, { "LightSalmon4", 139, 87, 66 }, { "LightSeaGreen", 32, 178, 170 }, { "LightSkyBlue", 135, 206, 250 }, { "LightSkyBlue1", 176, 226, 255 }, { "LightSkyBlue2", 164, 211, 238 }, { "LightSkyBlue3", 141, 182, 205 }, { "LightSkyBlue4", 96, 123, 139 }, { "LightSlateBlue", 132, 112, 255 }, { "LightSlateGray", 119, 136, 153 }, { "LightSlateGrey", 119, 136, 153 }, { "LightSteelBlue", 176, 196, 222 }, { "LightSteelBlue1", 202, 225, 255 }, { "LightSteelBlue2", 188, 210, 238 }, { "LightSteelBlue3", 162, 181, 205 }, { "LightSteelBlue4", 110, 123, 139 }, { "LightYellow", 255, 255, 224 }, { "LightYellow1", 255, 255, 224 }, { "LightYellow2", 238, 238, 209 }, { "LightYellow3", 205, 205, 180 }, { "LightYellow4", 139, 139, 122 }, { "LimeGreen", 50, 205, 50 }, { "MediumAquamarine", 102, 205, 170 }, { "MediumBlue", 0, 0, 205 }, { "MediumOrchid", 186, 85, 211 }, { "MediumOrchid1", 224, 102, 255 }, { "MediumOrchid2", 209, 95, 238 }, { "MediumOrchid3", 180, 82, 205 }, { "MediumOrchid4", 122, 55, 139 }, { "MediumPurple", 147, 112, 219 }, { "MediumPurple1", 171, 130, 255 }, { "MediumPurple2", 159, 121, 238 }, { "MediumPurple3", 137, 104, 205 }, { "MediumPurple4", 93, 71, 139 }, { "MediumSeaGreen", 60, 179, 113 }, { "MediumSlateBlue", 123, 104, 238 }, { "MediumSpringGreen", 0, 250, 154 }, { "MediumTurquoise", 72, 209, 204 }, { "MediumVioletRed", 199, 21, 133 }, { "MidnightBlue", 25, 25, 112 }, { "MintCream", 245, 255, 250 }, { "MistyRose", 255, 228, 225 }, { "MistyRose1", 255, 228, 225 }, { "MistyRose2", 238, 213, 210 }, { "MistyRose3", 205, 183, 181 }, { "MistyRose4", 139, 125, 123 }, { "NavajoWhite", 255, 222, 173 }, { "NavajoWhite1", 255, 222, 173 }, { "NavajoWhite2", 238, 207, 161 }, { "NavajoWhite3", 205, 179, 139 }, { "NavajoWhite4", 139, 121, 94 }, { "NavyBlue", 0, 0, 128 }, { "OldLace", 253, 245, 230 }, { "OliveDrab", 107, 142, 35 }, { "OliveDrab1", 192, 255, 62 }, { "OliveDrab2", 179, 238, 58 }, { "OliveDrab3", 154, 205, 50 }, { "OliveDrab4", 105, 139, 34 }, { "OrangeRed", 255, 69, 0 }, { "OrangeRed1", 255, 69, 0 }, { "OrangeRed2", 238, 64, 0 }, { "OrangeRed3", 205, 55, 0 }, { "OrangeRed4", 139, 37, 0 }, { "PaleGoldenrod", 238, 232, 170 }, { "PaleGreen", 152, 251, 152 }, { "PaleGreen1", 154, 255, 154 }, { "PaleGreen2", 144, 238, 144 }, { "PaleGreen3", 124, 205, 124 }, { "PaleGreen4", 84, 139, 84 }, { "PaleTurquoise", 175, 238, 238 }, { "PaleTurquoise1", 187, 255, 255 }, { "PaleTurquoise2", 174, 238, 238 }, { "PaleTurquoise3", 150, 205, 205 }, { "PaleTurquoise4", 102, 139, 139 }, { "PaleVioletRed", 219, 112, 147 }, { "PaleVioletRed1", 255, 130, 171 }, { "PaleVioletRed2", 238, 121, 159 }, { "PaleVioletRed3", 205, 104, 137 }, { "PaleVioletRed4", 139, 71, 93 }, { "PapayaWhip", 255, 239, 213 }, { "PeachPuff", 255, 218, 185 }, { "PeachPuff1", 255, 218, 185 }, { "PeachPuff2", 238, 203, 173 }, { "PeachPuff3", 205, 175, 149 }, { "PeachPuff4", 139, 119, 101 }, { "PowderBlue", 176, 224, 230 }, { "RosyBrown", 188, 143, 143 }, { "RosyBrown1", 255, 193, 193 }, { "RosyBrown2", 238, 180, 180 }, { "RosyBrown3", 205, 155, 155 }, { "RosyBrown4", 139, 105, 105 }, { "RoyalBlue", 65, 105, 225 }, { "RoyalBlue1", 72, 118, 255 }, { "RoyalBlue2", 67, 110, 238 }, { "RoyalBlue3", 58, 95, 205 }, { "RoyalBlue4", 39, 64, 139 }, { "SaddleBrown", 139, 69, 19 }, { "SandyBrown", 244, 164, 96 }, { "SeaGreen", 46, 139, 87 }, { "SeaGreen1", 84, 255, 159 }, { "SeaGreen2", 78, 238, 148 }, { "SeaGreen3", 67, 205, 128 }, { "SeaGreen4", 46, 139, 87 }, { "SkyBlue", 135, 206, 235 }, { "SkyBlue1", 135, 206, 255 }, { "SkyBlue2", 126, 192, 238 }, { "SkyBlue3", 108, 166, 205 }, { "SkyBlue4", 74, 112, 139 }, { "SlateBlue", 106, 90, 205 }, { "SlateBlue1", 131, 111, 255 }, { "SlateBlue2", 122, 103, 238 }, { "SlateBlue3", 105, 89, 205 }, { "SlateBlue4", 71, 60, 139 }, { "SlateGray", 112, 128, 144 }, { "SlateGray1", 198, 226, 255 }, { "SlateGray2", 185, 211, 238 }, { "SlateGray3", 159, 182, 205 }, { "SlateGray4", 108, 123, 139 }, { "SlateGrey", 112, 128, 144 }, { "SpringGreen", 0, 255, 127 }, { "SpringGreen1", 0, 255, 127 }, { "SpringGreen2", 0, 238, 118 }, { "SpringGreen3", 0, 205, 102 }, { "SpringGreen4", 0, 139, 69 }, { "SteelBlue", 70, 130, 180 }, { "SteelBlue1", 99, 184, 255 }, { "SteelBlue2", 92, 172, 238 }, { "SteelBlue3", 79, 148, 205 }, { "SteelBlue4", 54, 100, 139 }, { "VioletRed", 208, 32, 144 }, { "VioletRed1", 255, 62, 150 }, { "VioletRed2", 238, 58, 140 }, { "VioletRed3", 205, 50, 120 }, { "VioletRed4", 139, 34, 82 }, { "WhiteSmoke", 245, 245, 245 }, { "YellowGreen", 154, 205, 50 }, { "alice blue", 240, 248, 255 }, { "antique white", 250, 235, 215 }, { "aquamarine", 127, 255, 212 }, { "aquamarine1", 127, 255, 212 }, { "aquamarine2", 118, 238, 198 }, { "aquamarine3", 102, 205, 170 }, { "aquamarine4", 69, 139, 116 }, { "azure", 240, 255, 255 }, { "azure1", 240, 255, 255 }, { "azure2", 224, 238, 238 }, { "azure3", 193, 205, 205 }, { "azure4", 131, 139, 139 }, { "beige", 245, 245, 220 }, { "bisque", 255, 228, 196 }, { "bisque1", 255, 228, 196 }, { "bisque2", 238, 213, 183 }, { "bisque3", 205, 183, 158 }, { "bisque4", 139, 125, 107 }, { "black", 0, 0, 0 }, { "blanched almond", 255, 235, 205 }, { "blue", 0, 0, 255 }, { "blue violet", 138, 43, 226 }, { "blue1", 0, 0, 255 }, { "blue2", 0, 0, 238 }, { "blue3", 0, 0, 205 }, { "blue4", 0, 0, 139 }, { "brown", 165, 42, 42 }, { "brown1", 255, 64, 64 }, { "brown2", 238, 59, 59 }, { "brown3", 205, 51, 51 }, { "brown4", 139, 35, 35 }, { "burlywood", 222, 184, 135 }, { "burlywood1", 255, 211, 155 }, { "burlywood2", 238, 197, 145 }, { "burlywood3", 205, 170, 125 }, { "burlywood4", 139, 115, 85 }, { "cadet blue", 95, 158, 160 }, { "chartreuse", 127, 255, 0 }, { "chartreuse1", 127, 255, 0 }, { "chartreuse2", 118, 238, 0 }, { "chartreuse3", 102, 205, 0 }, { "chartreuse4", 69, 139, 0 }, { "chocolate", 210, 105, 30 }, { "chocolate1", 255, 127, 36 }, { "chocolate2", 238, 118, 33 }, { "chocolate3", 205, 102, 29 }, { "chocolate4", 139, 69, 19 }, { "coral", 255, 127, 80 }, { "coral1", 255, 114, 86 }, { "coral2", 238, 106, 80 }, { "coral3", 205, 91, 69 }, { "coral4", 139, 62, 47 }, { "cornflower blue", 100, 149, 237 }, { "cornsilk", 255, 248, 220 }, { "cornsilk1", 255, 248, 220 }, { "cornsilk2", 238, 232, 205 }, { "cornsilk3", 205, 200, 177 }, { "cornsilk4", 139, 136, 120 }, { "cyan", 0, 255, 255 }, { "cyan1", 0, 255, 255 }, { "cyan2", 0, 238, 238 }, { "cyan3", 0, 205, 205 }, { "cyan4", 0, 139, 139 }, { "dark blue", 0, 0, 139 }, { "dark cyan", 0, 139, 139 }, { "dark goldenrod", 184, 134, 11 }, { "dark gray", 169, 169, 169 }, { "dark green", 0, 100, 0 }, { "dark grey", 169, 169, 169 }, { "dark khaki", 189, 183, 107 }, { "dark magenta", 139, 0, 139 }, { "dark olive green", 85, 107, 47 }, { "dark orange", 255, 140, 0 }, { "dark orchid", 153, 50, 204 }, { "dark red", 139, 0, 0 }, { "dark salmon", 233, 150, 122 }, { "dark sea green", 143, 188, 143 }, { "dark slate blue", 72, 61, 139 }, { "dark slate gray", 47, 79, 79 }, { "dark slate grey", 47, 79, 79 }, { "dark turquoise", 0, 206, 209 }, { "dark violet", 148, 0, 211 }, { "deep pink", 255, 20, 147 }, { "deep sky blue", 0, 191, 255 }, { "dim gray", 105, 105, 105 }, { "dim grey", 105, 105, 105 }, { "dodger blue", 30, 144, 255 }, { "firebrick", 178, 34, 34 }, { "firebrick1", 255, 48, 48 }, { "firebrick2", 238, 44, 44 }, { "firebrick3", 205, 38, 38 }, { "firebrick4", 139, 26, 26 }, { "floral white", 255, 250, 240 }, { "forest green", 34, 139, 34 }, { "gainsboro", 220, 220, 220 }, { "ghost white", 248, 248, 255 }, { "gold", 255, 215, 0 }, { "gold1", 255, 215, 0 }, { "gold2", 238, 201, 0 }, { "gold3", 205, 173, 0 }, { "gold4", 139, 117, 0 }, { "goldenrod", 218, 165, 32 }, { "goldenrod1", 255, 193, 37 }, { "goldenrod2", 238, 180, 34 }, { "goldenrod3", 205, 155, 29 }, { "goldenrod4", 139, 105, 20 }, { "gray", 190, 190, 190 }, { "gray0", 0, 0, 0 }, { "gray1", 3, 3, 3 }, { "gray10", 26, 26, 26 }, { "gray100", 255, 255, 255 }, { "gray11", 28, 28, 28 }, { "gray12", 31, 31, 31 }, { "gray13", 33, 33, 33 }, { "gray14", 36, 36, 36 }, { "gray15", 38, 38, 38 }, { "gray16", 41, 41, 41 }, { "gray17", 43, 43, 43 }, { "gray18", 46, 46, 46 }, { "gray19", 48, 48, 48 }, { "gray2", 5, 5, 5 }, { "gray20", 51, 51, 51 }, { "gray21", 54, 54, 54 }, { "gray22", 56, 56, 56 }, { "gray23", 59, 59, 59 }, { "gray24", 61, 61, 61 }, { "gray25", 64, 64, 64 }, { "gray26", 66, 66, 66 }, { "gray27", 69, 69, 69 }, { "gray28", 71, 71, 71 }, { "gray29", 74, 74, 74 }, { "gray3", 8, 8, 8 }, { "gray30", 77, 77, 77 }, { "gray31", 79, 79, 79 }, { "gray32", 82, 82, 82 }, { "gray33", 84, 84, 84 }, { "gray34", 87, 87, 87 }, { "gray35", 89, 89, 89 }, { "gray36", 92, 92, 92 }, { "gray37", 94, 94, 94 }, { "gray38", 97, 97, 97 }, { "gray39", 99, 99, 99 }, { "gray4", 10, 10, 10 }, { "gray40", 102, 102, 102 }, { "gray41", 105, 105, 105 }, { "gray42", 107, 107, 107 }, { "gray43", 110, 110, 110 }, { "gray44", 112, 112, 112 }, { "gray45", 115, 115, 115 }, { "gray46", 117, 117, 117 }, { "gray47", 120, 120, 120 }, { "gray48", 122, 122, 122 }, { "gray49", 125, 125, 125 }, { "gray5", 13, 13, 13 }, { "gray50", 127, 127, 127 }, { "gray51", 130, 130, 130 }, { "gray52", 133, 133, 133 }, { "gray53", 135, 135, 135 }, { "gray54", 138, 138, 138 }, { "gray55", 140, 140, 140 }, { "gray56", 143, 143, 143 }, { "gray57", 145, 145, 145 }, { "gray58", 148, 148, 148 }, { "gray59", 150, 150, 150 }, { "gray6", 15, 15, 15 }, { "gray60", 153, 153, 153 }, { "gray61", 156, 156, 156 }, { "gray62", 158, 158, 158 }, { "gray63", 161, 161, 161 }, { "gray64", 163, 163, 163 }, { "gray65", 166, 166, 166 }, { "gray66", 168, 168, 168 }, { "gray67", 171, 171, 171 }, { "gray68", 173, 173, 173 }, { "gray69", 176, 176, 176 }, { "gray7", 18, 18, 18 }, { "gray70", 179, 179, 179 }, { "gray71", 181, 181, 181 }, { "gray72", 184, 184, 184 }, { "gray73", 186, 186, 186 }, { "gray74", 189, 189, 189 }, { "gray75", 191, 191, 191 }, { "gray76", 194, 194, 194 }, { "gray77", 196, 196, 196 }, { "gray78", 199, 199, 199 }, { "gray79", 201, 201, 201 }, { "gray8", 20, 20, 20 }, { "gray80", 204, 204, 204 }, { "gray81", 207, 207, 207 }, { "gray82", 209, 209, 209 }, { "gray83", 212, 212, 212 }, { "gray84", 214, 214, 214 }, { "gray85", 217, 217, 217 }, { "gray86", 219, 219, 219 }, { "gray87", 222, 222, 222 }, { "gray88", 224, 224, 224 }, { "gray89", 227, 227, 227 }, { "gray9", 23, 23, 23 }, { "gray90", 229, 229, 229 }, { "gray91", 232, 232, 232 }, { "gray92", 235, 235, 235 }, { "gray93", 237, 237, 237 }, { "gray94", 240, 240, 240 }, { "gray95", 242, 242, 242 }, { "gray96", 245, 245, 245 }, { "gray97", 247, 247, 247 }, { "gray98", 250, 250, 250 }, { "gray99", 252, 252, 252 }, { "green", 0, 255, 0 }, { "green yellow", 173, 255, 47 }, { "green1", 0, 255, 0 }, { "green2", 0, 238, 0 }, { "green3", 0, 205, 0 }, { "green4", 0, 139, 0 }, { "grey", 190, 190, 190 }, { "grey0", 0, 0, 0 }, { "grey1", 3, 3, 3 }, { "grey10", 26, 26, 26 }, { "grey100", 255, 255, 255 }, { "grey11", 28, 28, 28 }, { "grey12", 31, 31, 31 }, { "grey13", 33, 33, 33 }, { "grey14", 36, 36, 36 }, { "grey15", 38, 38, 38 }, { "grey16", 41, 41, 41 }, { "grey17", 43, 43, 43 }, { "grey18", 46, 46, 46 }, { "grey19", 48, 48, 48 }, { "grey2", 5, 5, 5 }, { "grey20", 51, 51, 51 }, { "grey21", 54, 54, 54 }, { "grey22", 56, 56, 56 }, { "grey23", 59, 59, 59 }, { "grey24", 61, 61, 61 }, { "grey25", 64, 64, 64 }, { "grey26", 66, 66, 66 }, { "grey27", 69, 69, 69 }, { "grey28", 71, 71, 71 }, { "grey29", 74, 74, 74 }, { "grey3", 8, 8, 8 }, { "grey30", 77, 77, 77 }, { "grey31", 79, 79, 79 }, { "grey32", 82, 82, 82 }, { "grey33", 84, 84, 84 }, { "grey34", 87, 87, 87 }, { "grey35", 89, 89, 89 }, { "grey36", 92, 92, 92 }, { "grey37", 94, 94, 94 }, { "grey38", 97, 97, 97 }, { "grey39", 99, 99, 99 }, { "grey4", 10, 10, 10 }, { "grey40", 102, 102, 102 }, { "grey41", 105, 105, 105 }, { "grey42", 107, 107, 107 }, { "grey43", 110, 110, 110 }, { "grey44", 112, 112, 112 }, { "grey45", 115, 115, 115 }, { "grey46", 117, 117, 117 }, { "grey47", 120, 120, 120 }, { "grey48", 122, 122, 122 }, { "grey49", 125, 125, 125 }, { "grey5", 13, 13, 13 }, { "grey50", 127, 127, 127 }, { "grey51", 130, 130, 130 }, { "grey52", 133, 133, 133 }, { "grey53", 135, 135, 135 }, { "grey54", 138, 138, 138 }, { "grey55", 140, 140, 140 }, { "grey56", 143, 143, 143 }, { "grey57", 145, 145, 145 }, { "grey58", 148, 148, 148 }, { "grey59", 150, 150, 150 }, { "grey6", 15, 15, 15 }, { "grey60", 153, 153, 153 }, { "grey61", 156, 156, 156 }, { "grey62", 158, 158, 158 }, { "grey63", 161, 161, 161 }, { "grey64", 163, 163, 163 }, { "grey65", 166, 166, 166 }, { "grey66", 168, 168, 168 }, { "grey67", 171, 171, 171 }, { "grey68", 173, 173, 173 }, { "grey69", 176, 176, 176 }, { "grey7", 18, 18, 18 }, { "grey70", 179, 179, 179 }, { "grey71", 181, 181, 181 }, { "grey72", 184, 184, 184 }, { "grey73", 186, 186, 186 }, { "grey74", 189, 189, 189 }, { "grey75", 191, 191, 191 }, { "grey76", 194, 194, 194 }, { "grey77", 196, 196, 196 }, { "grey78", 199, 199, 199 }, { "grey79", 201, 201, 201 }, { "grey8", 20, 20, 20 }, { "grey80", 204, 204, 204 }, { "grey81", 207, 207, 207 }, { "grey82", 209, 209, 209 }, { "grey83", 212, 212, 212 }, { "grey84", 214, 214, 214 }, { "grey85", 217, 217, 217 }, { "grey86", 219, 219, 219 }, { "grey87", 222, 222, 222 }, { "grey88", 224, 224, 224 }, { "grey89", 227, 227, 227 }, { "grey9", 23, 23, 23 }, { "grey90", 229, 229, 229 }, { "grey91", 232, 232, 232 }, { "grey92", 235, 235, 235 }, { "grey93", 237, 237, 237 }, { "grey94", 240, 240, 240 }, { "grey95", 242, 242, 242 }, { "grey96", 245, 245, 245 }, { "grey97", 247, 247, 247 }, { "grey98", 250, 250, 250 }, { "grey99", 252, 252, 252 }, { "honeydew", 240, 255, 240 }, { "honeydew1", 240, 255, 240 }, { "honeydew2", 224, 238, 224 }, { "honeydew3", 193, 205, 193 }, { "honeydew4", 131, 139, 131 }, { "hot pink", 255, 105, 180 }, { "indian red", 205, 92, 92 }, { "ivory", 255, 255, 240 }, { "ivory1", 255, 255, 240 }, { "ivory2", 238, 238, 224 }, { "ivory3", 205, 205, 193 }, { "ivory4", 139, 139, 131 }, { "khaki", 240, 230, 140 }, { "khaki1", 255, 246, 143 }, { "khaki2", 238, 230, 133 }, { "khaki3", 205, 198, 115 }, { "khaki4", 139, 134, 78 }, { "lavender", 230, 230, 250 }, { "lavender blush", 255, 240, 245 }, { "lawn green", 124, 252, 0 }, { "lemon chiffon", 255, 250, 205 }, { "light blue", 173, 216, 230 }, { "light coral", 240, 128, 128 }, { "light cyan", 224, 255, 255 }, { "light goldenrod", 238, 221, 130 }, { "light goldenrod yellow", 250, 250, 210 }, { "light gray", 211, 211, 211 }, { "light green", 144, 238, 144 }, { "light grey", 211, 211, 211 }, { "light pink", 255, 182, 193 }, { "light salmon", 255, 160, 122 }, { "light sea green", 32, 178, 170 }, { "light sky blue", 135, 206, 250 }, { "light slate blue", 132, 112, 255 }, { "light slate gray", 119, 136, 153 }, { "light slate grey", 119, 136, 153 }, { "light steel blue", 176, 196, 222 }, { "light yellow", 255, 255, 224 }, { "lime green", 50, 205, 50 }, { "linen", 250, 240, 230 }, { "magenta", 255, 0, 255 }, { "magenta1", 255, 0, 255 }, { "magenta2", 238, 0, 238 }, { "magenta3", 205, 0, 205 }, { "magenta4", 139, 0, 139 }, { "maroon", 176, 48, 96 }, { "maroon1", 255, 52, 179 }, { "maroon2", 238, 48, 167 }, { "maroon3", 205, 41, 144 }, { "maroon4", 139, 28, 98 }, { "medium aquamarine", 102, 205, 170 }, { "medium blue", 0, 0, 205 }, { "medium orchid", 186, 85, 211 }, { "medium purple", 147, 112, 219 }, { "medium sea green", 60, 179, 113 }, { "medium slate blue", 123, 104, 238 }, { "medium spring green", 0, 250, 154 }, { "medium turquoise", 72, 209, 204 }, { "medium violet red", 199, 21, 133 }, { "midnight blue", 25, 25, 112 }, { "mint cream", 245, 255, 250 }, { "misty rose", 255, 228, 225 }, { "moccasin", 255, 228, 181 }, { "navajo white", 255, 222, 173 }, { "navy", 0, 0, 128 }, { "navy blue", 0, 0, 128 }, { "old lace", 253, 245, 230 }, { "olive drab", 107, 142, 35 }, { "orange", 255, 165, 0 }, { "orange red", 255, 69, 0 }, { "orange1", 255, 165, 0 }, { "orange2", 238, 154, 0 }, { "orange3", 205, 133, 0 }, { "orange4", 139, 90, 0 }, { "orchid", 218, 112, 214 }, { "orchid1", 255, 131, 250 }, { "orchid2", 238, 122, 233 }, { "orchid3", 205, 105, 201 }, { "orchid4", 139, 71, 137 }, { "pale goldenrod", 238, 232, 170 }, { "pale green", 152, 251, 152 }, { "pale turquoise", 175, 238, 238 }, { "pale violet red", 219, 112, 147 }, { "papaya whip", 255, 239, 213 }, { "peach puff", 255, 218, 185 }, { "peru", 205, 133, 63 }, { "pink", 255, 192, 203 }, { "pink1", 255, 181, 197 }, { "pink2", 238, 169, 184 }, { "pink3", 205, 145, 158 }, { "pink4", 139, 99, 108 }, { "plum", 221, 160, 221 }, { "plum1", 255, 187, 255 }, { "plum2", 238, 174, 238 }, { "plum3", 205, 150, 205 }, { "plum4", 139, 102, 139 }, { "powder blue", 176, 224, 230 }, { "purple", 160, 32, 240 }, { "purple1", 155, 48, 255 }, { "purple2", 145, 44, 238 }, { "purple3", 125, 38, 205 }, { "purple4", 85, 26, 139 }, { "red", 255, 0, 0 }, { "red1", 255, 0, 0 }, { "red2", 238, 0, 0 }, { "red3", 205, 0, 0 }, { "red4", 139, 0, 0 }, { "rosy brown", 188, 143, 143 }, { "royal blue", 65, 105, 225 }, { "saddle brown", 139, 69, 19 }, { "salmon", 250, 128, 114 }, { "salmon1", 255, 140, 105 }, { "salmon2", 238, 130, 98 }, { "salmon3", 205, 112, 84 }, { "salmon4", 139, 76, 57 }, { "sandy brown", 244, 164, 96 }, { "sea green", 46, 139, 87 }, { "seashell", 255, 245, 238 }, { "seashell1", 255, 245, 238 }, { "seashell2", 238, 229, 222 }, { "seashell3", 205, 197, 191 }, { "seashell4", 139, 134, 130 }, { "sienna", 160, 82, 45 }, { "sienna1", 255, 130, 71 }, { "sienna2", 238, 121, 66 }, { "sienna3", 205, 104, 57 }, { "sienna4", 139, 71, 38 }, { "sky blue", 135, 206, 235 }, { "slate blue", 106, 90, 205 }, { "slate gray", 112, 128, 144 }, { "slate grey", 112, 128, 144 }, { "snow", 255, 250, 250 }, { "snow1", 255, 250, 250 }, { "snow2", 238, 233, 233 }, { "snow3", 205, 201, 201 }, { "snow4", 139, 137, 137 }, { "spring green", 0, 255, 127 }, { "steel blue", 70, 130, 180 }, { "tan", 210, 180, 140 }, { "tan1", 255, 165, 79 }, { "tan2", 238, 154, 73 }, { "tan3", 205, 133, 63 }, { "tan4", 139, 90, 43 }, { "thistle", 216, 191, 216 }, { "thistle1", 255, 225, 255 }, { "thistle2", 238, 210, 238 }, { "thistle3", 205, 181, 205 }, { "thistle4", 139, 123, 139 }, { "tomato", 255, 99, 71 }, { "tomato1", 255, 99, 71 }, { "tomato2", 238, 92, 66 }, { "tomato3", 205, 79, 57 }, { "tomato4", 139, 54, 38 }, { "turquoise", 64, 224, 208 }, { "turquoise1", 0, 245, 255 }, { "turquoise2", 0, 229, 238 }, { "turquoise3", 0, 197, 205 }, { "turquoise4", 0, 134, 139 }, { "violet", 238, 130, 238 }, { "violet red", 208, 32, 144 }, { "wheat", 245, 222, 179 }, { "wheat1", 255, 231, 186 }, { "wheat2", 238, 216, 174 }, { "wheat3", 205, 186, 150 }, { "wheat4", 139, 126, 102 }, { "white", 255, 255, 255 }, { "white smoke", 245, 245, 245 }, { "yellow", 255, 255, 0 }, { "yellow green", 154, 205, 50 }, { "yellow1", 255, 255, 0 }, { "yellow2", 238, 238, 0 }, { "yellow3", 205, 205, 0 }, { "yellow4", 139, 139, 0 }, { (char *) NULL, 0, 0, 0 } }; char colorname[MaxTextLength], text[MaxTextLength]; Colormap colormap; Display *display; FILE *database; int blue, count, green, red, status; register XColorList *p; /* Initialize color return value. */ color->red=0; color->green=0; color->blue=0; color->flags=DoRed | DoGreen | DoBlue; if (target == (char *) NULL) target=BackgroundColor; if (*target == '#') { char c; register int i, n; /* Parse RGB specification. */ target++; n=strlen(target); if ((n != 3) && (n != 6) && (n != 9) && (n != 12)) return(False); n/=3; green=0; blue=0; do { red=green; green=blue; blue=0; for (i=n-1; i >= 0; i--) { c=(*target++); blue<<=4; if ((c >= '0') && (c <= '9')) blue|=c-'0'; else if ((c >= 'A') && (c <= 'F')) blue|=c-('A'-10); else if ((c >= 'a') && (c <= 'f')) blue|=c-('a'-10); else return(False); } } while (*target != '\0'); n<<=2; n=16-n; color->red=red << n; color->green=green << n; color->blue=blue << n; return(True); } database=fopen(RGBColorDatabase,"r"); if (database != (FILE *) NULL) { /* Match color against the X color database. */ while (fgets(text,MaxTextLength-1,database) != (char *) NULL) { count=sscanf(text,"%d %d %d %[^\n]\n",&red,&green,&blue,colorname); if (count != 4) continue; if (Latin1Compare(colorname,target) == 0) { color->red=red << 8; color->green=green << 8; color->blue=blue << 8; return(True); } } (void) fclose(database); } /* Search our internal color database. */ for (p=colorlist; p->name != (char *) NULL; p++) if (Latin1Compare(p->name,target) == 0) { color->red=p->red << 8; color->green=p->green << 8; color->blue=p->blue << 8; return(True); } /* Let the X server define the color for us. */ display=XOpenDisplay((char *) NULL); if (display == (Display *) NULL) { Warning("Color is not known to X server",target); return(False); } colormap=XDefaultColormap(display,XDefaultScreen(display)); status=XParseColor(display,colormap,target,color); if (status == False) Warning("Color is not known to X server",target); XCloseDisplay(display); return(status != 0); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X Q u e r y P o s i t i o n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XQueryPosition gets the pointer coodinates relative to a window. % % The format of the XQueryPosition routine is: % % XQueryPosition(display,window,x,y) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o window: Specifies a pointer to a Window. % % o x: Return the x coordinate of the pointer relative to the origin of the % window. % % o y: Return the y coordinate of the pointer relative to the origin of the % window. % % */ void XQueryPosition(display,window,x,y) Display *display; Window window; int *x, *y; { int x_root, y_root; unsigned int mask; Window root_window; (void) XQueryPointer(display,window,&root_window,&root_window,&x_root,&y_root, x,y,&mask); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X R e f r e s h W i n d o w % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XRefreshWindow refreshes an image in a X window. % % The format of the XRefreshWindow routine is: % % XRefreshWindow(display,window,event) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o window: Specifies a pointer to a XWindowInfo structure. % % o event: Specifies a pointer to a XEvent structure. If it is NULL, % the entire image is refreshed. % % */ void XRefreshWindow(display,window,event) Display *display; XWindowInfo *window; XEvent *event; { int x, y; unsigned int height, width; if (event != (XEvent *) NULL) { /* Determine geometry from expose event. */ x=event->xexpose.x; y=event->xexpose.y; width=event->xexpose.width; height=event->xexpose.height; } else { XEvent sans_event; /* Refresh entire window; discard outstanding expose events. */ x=0; y=0; width=window->width; height=window->height; while (XCheckTypedWindowEvent(display,window->id,Expose,&sans_event)); } /* Check boundary conditions. */ if ((window->ximage->width-(x+window->x)) < width) width=window->ximage->width-(x+window->x); if ((window->ximage->height-(y+window->y)) < height) height=window->ximage->height-(y+window->y); /* Refresh image. */ XSetClipMask(display,window->annotate_context,window->matte_pixmap); if (window->pixmap != (Pixmap) NULL) { if (window->depth > 1) XCopyArea(display,window->pixmap,window->id,window->annotate_context, x+window->x,y+window->y,width,height,x,y); else XCopyPlane(display,window->pixmap,window->id,window->highlight_context, x+window->x,y+window->y,width,height,x,y,1L); } else { #ifdef HasSharedMemory if (window->shared_memory) { XShmPutImage(display,window->id,window->annotate_context, window->ximage,x+window->x,y+window->y,x,y,width,height,True); XSync(display,False); } #endif if (!window->shared_memory) XPutImage(display,window->id,window->annotate_context,window->ximage, x+window->x,y+window->y,x,y,width,height); } XSetClipMask(display,window->annotate_context,None); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X R e t a i n W i n d o w C o l o r s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XRetainWindowColors sets X11 color resources on a window. This % perserves the colors associated with an image displayed on the window. % % The format of the XRetainWindowColors routine is: % % XRetainWindowColors(display,window) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o window: Specifies a pointer to a XWindowInfo structure. % % */ void XRetainWindowColors(display,window) Display *display; Window window; { Atom property; Pixmap pixmap; /* Put property on the window. */ property=XInternAtom(display,"_XSETROOT_ID",False); if (property == (Atom) NULL) { Warning("Unable to create X property","_XSETROOT_ID"); return; } pixmap=XCreatePixmap(display,window,1,1,1); if (pixmap == (Pixmap) NULL) { Warning("Unable to create X pixmap",(char *) NULL); return; } XChangeProperty(display,window,property,XA_PIXMAP,32,PropModeReplace, (unsigned char *) &pixmap,1); XSetCloseDownMode(display,RetainPermanent); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X S e l e c t W i n d o w % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XSelectWindow allows a user to select a window using the mouse. If % the mouse moves, a cropping rectangle is drawn and the extents of the % rectangle is returned in the crop_info structure. % % The format of the XSelectWindow function is: % % target_window=XSelectWindow(display,crop_info) % % A description of each parameter follows: % % o window: XSelectWindow returns the window id. % % o display: Specifies a pointer to the Display structure; returned from % XOpenDisplay. % % o crop_info: Specifies a pointer to a RectangleInfo structure. It % contains the extents of any cropping rectangle. % % */ Window XSelectWindow(display,crop_info) Display *display; RectangleInfo *crop_info; { #define MinimumCropArea (unsigned int) 9 Cursor target_cursor; GC annotate_context; int presses, status, x_offset, y_offset; Window root_window, target_window; XEvent event; XGCValues context_values; /* Initialize graphic context. */ root_window=XRootWindow(display,XDefaultScreen(display)); context_values.background=XBlackPixel(display,XDefaultScreen(display)); context_values.foreground=XWhitePixel(display,XDefaultScreen(display)); context_values.function=GXinvert; context_values.plane_mask= context_values.background ^ context_values.foreground; context_values.subwindow_mode=IncludeInferiors; annotate_context=XCreateGC(display,root_window,GCBackground | GCForeground | GCFunction | GCPlaneMask | GCSubwindowMode,&context_values); if (annotate_context == (GC) NULL) return(False); /* Grab the pointer using target cursor. */ target_cursor=XMakeCursor(display,root_window, XDefaultColormap(display,XDefaultScreen(display)),"white","black"); status=XGrabPointer(display,root_window,False,(unsigned int) (ButtonPressMask | ButtonReleaseMask | ButtonMotionMask),GrabModeSync, GrabModeAsync,root_window,target_cursor,CurrentTime); if (status != GrabSuccess) Error("Unable to grab the mouse",(char *) NULL); /* Select a window. */ crop_info->width=0; crop_info->height=0; presses=0; target_window=(Window) NULL; x_offset=0; y_offset=0; do { if ((crop_info->width*crop_info->height) >= MinimumCropArea) XDrawRectangle(display,root_window,annotate_context,crop_info->x, crop_info->y,crop_info->width-1,crop_info->height-1); /* Allow another event. */ XAllowEvents(display,SyncPointer,CurrentTime); XWindowEvent(display,root_window,ButtonPressMask | ButtonReleaseMask | ButtonMotionMask,&event); if ((crop_info->width*crop_info->height) >= MinimumCropArea) XDrawRectangle(display,root_window,annotate_context,crop_info->x, crop_info->y,crop_info->width-1,crop_info->height-1); switch (event.type) { case ButtonPress: { target_window=XGetSubwindow(display,event.xbutton.subwindow, event.xbutton.x,event.xbutton.y); if (target_window == (Window) NULL) target_window=root_window; x_offset=event.xbutton.x_root; y_offset=event.xbutton.y_root; crop_info->x=x_offset; crop_info->y=y_offset; crop_info->width=0; crop_info->height=0; presses++; break; } case ButtonRelease: { presses--; break; } case MotionNotify: { /* Discard pending button motion events. */ while (XCheckMaskEvent(display,ButtonMotionMask,&event)); crop_info->x=event.xmotion.x; crop_info->y=event.xmotion.y; /* Check boundary conditions. */ if (crop_info->x < x_offset) crop_info->width=(unsigned int) (x_offset-crop_info->x); else { crop_info->width=(unsigned int) (crop_info->x-x_offset); crop_info->x=x_offset; } if (crop_info->y < y_offset) crop_info->height=(unsigned int) (y_offset-crop_info->y); else { crop_info->height=(unsigned int) (crop_info->y-y_offset); crop_info->y=y_offset; } } default: break; } } while ((target_window == (Window) NULL) || (presses > 0)); XUngrabPointer(display,CurrentTime); XFreeCursor(display,target_cursor); XFreeGC(display,annotate_context); if ((crop_info->width*crop_info->height) < MinimumCropArea) { crop_info->width=0; crop_info->height=0; } if ((crop_info->width != 0) && (crop_info->height != 0)) target_window=root_window; return(target_window); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X S e t C u r s o r S t a t e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XSetCursorState sets the cursor state to busy, otherwise the % cursor are reset to their default. % % The format of the XXSetCursorState routine is: % % XSetCursorState(display,windows,state) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o windows: Specifies a pointer to a XWindows structure. % % o state: An unsigned integer greater than 0 sets the cursor state % to busy, otherwise the cursor are reset to their default. % % */ void XSetCursorState(display,windows,state) Display *display; XWindows *windows; unsigned int state; { if (state) { XDefineCursor(display,windows->image.id,windows->image.busy_cursor); XDefineCursor(display,windows->pan.id,windows->pan.busy_cursor); XDefineCursor(display,windows->magnify.id,windows->magnify.busy_cursor); XDefineCursor(display,windows->command.id,windows->command.busy_cursor); } else { XDefineCursor(display,windows->image.id,windows->image.cursor); XDefineCursor(display,windows->pan.id,windows->pan.cursor); XDefineCursor(display,windows->magnify.id,windows->magnify.cursor); XDefineCursor(display,windows->command.id,windows->command.cursor); XDefineCursor(display,windows->command.id,windows->widget.cursor); } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X V i s u a l C l a s s N a m e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XVisualClassName returns the visual class name as a character % string. % % The format of the XVisualClassName routine is: % % visual_type=XVisualClassName(class) % % A description of each parameter follows: % % o visual_type: XVisualClassName returns the visual class as a character % string. % % o class: Specifies the visual class. % % */ char *XVisualClassName(class) int class; { switch (class) { case StaticGray: return("StaticGray"); case GrayScale: return("GrayScale"); case StaticColor: return("StaticColor"); case PseudoColor: return("PseudoColor"); case TrueColor: return("TrueColor"); case DirectColor: return("DirectColor"); } return("unknown visual class"); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X W i n d o w B y I D % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XWindowByID locates a child window with a given ID. If not window % with the given name is found, 0 is returned. Only the window specified % and its subwindows are searched. % % The format of the XWindowByID function is: % % child=XWindowByID(display,window,id) % % A description of each parameter follows: % % o child: XWindowByID returns the window with the specified % id. If no windows are found, XWindowByID returns 0. % % o display: Specifies a pointer to the Display structure; returned from % XOpenDisplay. % % o id: Specifies the id of the window to locate. % % */ Window XWindowByID(display,root_window,id) Display *display; Window root_window; unsigned long id; { RectangleInfo rectangle_info; register int i; unsigned int number_children; Window child, *children, window; if (id == 0) return(XSelectWindow(display,&rectangle_info)); if (root_window == id) return(id); if (!XQueryTree(display,root_window,&child,&child,&children,&number_children)) return((Window) NULL); window=(Window) NULL; for (i=0; i < number_children; i++) { /* Search each child and their children. */ window=XWindowByID(display,children[i],id); if (window != (Window) NULL) break; } if (children != (Window *) NULL) XFree((void *) children); return(window); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X W i n d o w B y N a m e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XWindowByName locates a window with a given name on a display. % If no window with the given name is found, 0 is returned. If more than % one window has the given name, the first one is returned. Only root and % its children are searched. % % The format of the XWindowByName function is: % % window=XWindowByName(display,root_window,name) % % A description of each parameter follows: % % o window: XWindowByName returns the window id. % % o display: Specifies a pointer to the Display structure; returned from % XOpenDisplay. % % o root_window: Specifies the id of the root window. % % o name: Specifies the name of the window to locate. % % */ Window XWindowByName(display,root_window,name) Display *display; Window root_window; char *name; { register int i; unsigned int number_children; Window *children, child, window; XTextProperty window_name; if (XGetWMName(display,root_window,&window_name) != 0) if (strcmp((char *) window_name.value,name) == 0) return(root_window); if (!XQueryTree(display,root_window,&child,&child,&children,&number_children)) return((Window) NULL); window=(Window) NULL; for (i=0; i < number_children; i++) { /* Search each child and their children. */ window=XWindowByName(display,children[i],name); if (window != (Window) NULL) break; } if (children != (Window *) NULL) XFree((void *) children); return(window); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X W i n d o w B y P r o p e r y % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XWindowByProperty locates a child window with a given property. % If no window with the given name is found, 0 is returned. If more than % one window has the given property, the first one is returned. Only the % window specified and its subwindows are searched. % % The format of the XWindowByProperty function is: % % child=XWindowByProperty(display,window,property) % % A description of each parameter follows: % % o child: XWindowByProperty returns the window id with the specified % property. If no windows are found, XWindowByProperty returns 0. % % o display: Specifies a pointer to the Display structure; returned from % XOpenDisplay. % % o property: Specifies the property of the window to locate. % % */ static Window XWindowByProperty(display,window,property) Display *display; Window window; Atom property; { Atom type; int format, status; unsigned char *data; unsigned int i, number_children; unsigned long after, number_items; Window child, *children, parent, root; status=XQueryTree(display,window,&root,&parent,&children,&number_children); if (status == 0) return((Window) NULL); type=(Atom) NULL; child=(Window) NULL; for (i=0; (i < number_children) && (child == (Window) NULL); i++) { status=XGetWindowProperty(display,children[i],property,0L,0L,False, (Atom) AnyPropertyType,&type,&format,&number_items,&after,&data); if (data != NULL) XFree((void *) data); if ((status == Success) && (type != (Atom) NULL)) child=children[i]; } for (i=0; (i < number_children) && (child == (Window) NULL); i++) child=XWindowByProperty(display,children[i],property); if (children != (Window *) NULL) XFree((void *) children); return(child); } % % % % X S e t C u r s o r S./ImageMagick/magick/image.c010064400000240000024000010130630602536532200167570ustar00cristycristy00002330000007/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % IIIII M M AAA GGGG EEEEE % % I MM MM A A G E % % I M M M AAAAA G GG EEE % % I M M A A G G E % % IIIII M M A A GGGG EEEEE % % % % % % ImageMagick Image Routines % % % % % % % % Software Design % % John Cristy % % July 1992 % % % % % % Copyright 1995 E. I. du Pont de Nemours and Company % % % % Permission to use, copy, modify, distribute, and sell this software and % % its documentation for any purpose is hereby granted without fee, % % provided that the above Copyright notice appear in all copies and that % % both that Copyright notice and this permission notice appear in % % supporting documentation, and that the name of E. I. du Pont de Nemours % % and Company not be used in advertising or publicity pertaining to % % distribution of the software without specific, written prior % % permission. E. I. du Pont de Nemours and Company makes no representations % % about the suitability of this software for any purpose. It is provided % % "as is" without express or implied warranty. % % % % E. I. du Pont de Nemours and Company disclaims all warranties with regard % % to this software, including all implied warranties of merchantability % % and fitness, in no event shall E. I. du Pont de Nemours and Company be % % liable for any special, indirect or consequential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, negligence or other tortuous action, arising % % out of or in connection with the use or performance of this software. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % */ /* Include declarations. */ #include "magick.h" #include "image.h" #include "compress.h" #include "utility.h" #include "X.h" /* Forward declarations. */ static int IntensityCompare _Declare((const void *,const void *)), NoisyCompare _Declare((const void *,const void *)); /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % A l l o c a t e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function AllocateImage allocates an Image structure and initializes each % field to a default value. % % The format of the AllocateImage routine is: % % allocated_image=AllocateImage(image_info) % % A description of each parameter follows: % % o allocated_image: Function AllocateImage returns a pointer to an image % structure initialized to default values. A null image is returned if % there is a memory shortage. % % o image_info: Specifies a pointer to a ImageInfo structure. % % */ Image *AllocateImage(image_info) ImageInfo *image_info; { Image *allocated_image; /* Allocate image structure. */ allocated_image=(Image *) malloc(sizeof(Image)); if (allocated_image == (Image *) NULL) { Warning("Unable to allocate image","Memory allocation failed"); return((Image *) NULL); } /* Initialize Image structure. */ allocated_image->file=(FILE *) NULL; allocated_image->status=False; allocated_image->temporary=False; *allocated_image->filename='\0'; allocated_image->filesize=0; allocated_image->pipe=False; (void) strcpy(allocated_image->magick,"MIFF"); allocated_image->comments=(char *) NULL; allocated_image->label=(char *) NULL; allocated_image->text=(char *) NULL; allocated_image->id=UndefinedId; allocated_image->class=DirectClass; allocated_image->matte=False; allocated_image->compression=RunlengthEncodedCompression; allocated_image->columns=0; allocated_image->rows=0; allocated_image->depth=QuantumDepth; allocated_image->scene=0; allocated_image->units=2; /* pixels per inch */ allocated_image->x_resolution=72.0; allocated_image->y_resolution=72.0; allocated_image->montage=(char *) NULL; allocated_image->directory=(char *) NULL; allocated_image->colormap=(ColorPacket *) NULL; allocated_image->colors=0; allocated_image->colorspace=0; allocated_image->normalized_maximum_error=0.0; allocated_image->normalized_mean_error=0.0; allocated_image->mean_error_per_pixel=0; allocated_image->total_colors=0; allocated_image->signature=(char *) NULL; allocated_image->pixels=(RunlengthPacket *) NULL; allocated_image->packet=(RunlengthPacket *) NULL; allocated_image->packets=0; allocated_image->packet_size=0; allocated_image->packed_pixels=(unsigned char *) NULL; *allocated_image->magick_filename='\0'; allocated_image->magick_columns=0; allocated_image->magick_rows=0; allocated_image->magick_time=time((time_t *) NULL); allocated_image->orphan=False; allocated_image->previous=(Image *) NULL; allocated_image->next=(Image *) NULL; if (image_info != (ImageInfo *) NULL) { (void) strcpy(allocated_image->filename,image_info->filename); (void) strcpy(allocated_image->magick,image_info->magick); } return(allocated_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % A n n o t a t e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function AnnotateImage annotates an image with test. Optionally the % annotation can include the image filename, type, width, height, or scene % number by embedding special format characters. Embed %f for filename, % %m for magick, %w for width, %h for height, %s for scene number, or \n % for newline. For example, % % %f %wx%h % % produces an image annotation of % % bird.miff 512x480 % % for an image titled bird.miff and whose width is 512 and height is 480. % % The format of the AnnotateImage routine is: % % AnnotateImage(image,annotate_info) % % A description of each parameter follows: % % o image: The address of a structure of type Image. % % o annotate_info: The address of a AnnotateInfo structure. % % */ void AnnotateImage(image,annotate_info) Image *image; AnnotateInfo *annotate_info; { char *text, **textlist; Display *display; FILE *file; int flags, status, x, y; register char *p, *q; register int i, j; unsigned int height, indirection, length, width; XAnnotateInfo xannotate_info; XFontStruct *font_info; XPixelInfo pixel_info; XResourceInfo resource_info; XrmDatabase resource_database; XStandardColormap *map_info; XVisualInfo *visual_info; if (annotate_info->text == (char *) NULL) return; indirection=(*annotate_info->text == '@'); if (indirection) { int c; /* Read text from a file. */ file=(FILE *) fopen(annotate_info->text+1,"r"); if (file == (FILE *) NULL) { Warning("Unable to read text file",annotate_info->text+1); return; } length=MaxTextLength; annotate_info->text=(char *) malloc(length); for (q=annotate_info->text ; annotate_info->text != (char *) NULL; q++) { c=fgetc(file); if (c == EOF) break; if ((q-annotate_info->text+1) >= length) { *q='\0'; length<<=1; annotate_info->text=realloc(annotate_info->text,length); if (annotate_info->text == (char *) NULL) break; q=annotate_info->text+strlen(annotate_info->text); } *q=(unsigned char) c; } (void) fclose(file); if (annotate_info->text == (char *) NULL) { Warning("Unable to annotate image","Memory allocation failed"); return; } *q='\0'; } /* Allocate and initialize image text. */ p=annotate_info->text; length=strlen(annotate_info->text)+MaxTextLength; image->text=(char *) malloc(length); for (q=image->text; image->text != (char *) NULL; p++) { *q='\0'; if (*p == '\0') break; if ((q-image->text+MaxTextLength) >= length) { length<<=1; image->text=(char *) realloc((char *) image->text,length); if (image->text == (char *) NULL) break; q=image->text+strlen(image->text); } /* Process formatting characters in text. */ if ((*p == '\\') && (*(p+1) == 'n')) { *q++='\n'; p++; continue; } if (*p != '%') { *q++=(*p); continue; } p++; switch (*p) { case 'f': { register char *p; /* Label segment is the base of the filename. */ p=image->filename+strlen(image->filename)-1; while ((p > image->filename) && (*(p-1) != '/')) p--; (void) strcpy(q,p); q+=strlen(p); break; } case 'h': { (void) sprintf(q,"%u",image->magick_rows); q=image->text+strlen(image->text); break; } case 'm': { (void) strcpy(q,image->magick); q+=strlen(image->magick); break; } case 's': { (void) sprintf(q,"%u",image->scene); q=image->text+strlen(image->text); break; } case 'w': { (void) sprintf(q,"%u",image->magick_columns); q=image->text+strlen(image->text); break; } default: { *q++='%'; *q++=(*p); break; } } } if (image->text == (char *) NULL) { Warning("Unable to annotate image","Memory allocation failed"); return; } *q++='\0'; *q++='\0'; if (indirection) free((char *) annotate_info->text); textlist=StringToList(image->text); free(image->text); image->text=(char *) NULL; if (textlist == (char **) NULL) return; length=strlen(textlist[0]); for (i=0; textlist[i] != (char *) NULL; i++) if (strlen(textlist[i]) > length) length=strlen(textlist[i]); text=malloc(length+4); if (text == (char *) NULL) { Warning("Unable to annotate image","Memory allocation error"); return; } /* Get annotate geometry. */ x=0; y=0; width=image->columns; height=annotate_info->pointsize; if (annotate_info->geometry != (char *) NULL) { flags=XParseGeometry(annotate_info->geometry,&x,&y,&width,&height); if ((flags & XNegative) != 0) x+=image->columns; if ((flags & YNegative) != 0) y+=image->rows; } /* Open X server connection. */ display=XOpenDisplay(annotate_info->server_name); if (display == (Display *) NULL) { char filename[MaxTextLength], page[MaxTextLength]; Image *annotate_image; ImageInfo image_info; register RunlengthPacket *q; unsigned int matte; XColor font_color; /* X server fonts are not available, use Postscript to annotate. */ (void) XQueryColorDatabase(annotate_info->pen,&font_color); GetImageInfo(&image_info); TemporaryFilename(filename); image_info.monochrome=True; (void) sprintf(page,"%dx%d",height*length,height << 1); image_info.page=page; if (annotate_info->font == (char *) NULL) annotate_info->font=DefaultFont; for (i=0; textlist[i] != (char *) NULL; i++) { if ((x >= image->columns) || (y >= image->rows)) break; if (*textlist[i] == '\0') { free(textlist[i]); continue; } (void) strcpy(text,textlist[i]); for (j=((int) strlen(textlist[i])-1) >> 1; j >= 0; j--) { (void) strcpy(image_info.filename,filename); file=fopen(filename,"w"); if (file == (FILE *) NULL) break; (void) fprintf(file,"%%!PS-Adobe-3.0\n"); (void) fprintf(file,"/%s findfont %d scalefont setfont\n", annotate_info->font,height); (void) fprintf(file,"0 %d moveto (%s) show\n",height,text); (void) fprintf(file,"showpage\n"); (void) fclose(file); annotate_image=ReadImage(&image_info); if (annotate_image == (Image *) NULL) break; TransformImage(&annotate_image,"0x0",(char *) NULL); if (annotate_image->columns < width) break; DestroyImage(annotate_image); (void) strcpy(text,textlist[i]); (void) strcpy(text+j,"..."); (void) strcat(text,textlist[i]+strlen(textlist[i])-j-1); } (void) unlink(filename); free(textlist[i]); if (annotate_image == (Image *) NULL) { Warning("Unable to annotate image",(char *) NULL); break; } /* Composite text onto the image. */ annotate_image->class=DirectClass; annotate_image->matte=True; q=annotate_image->pixels; for (j=0; j < annotate_image->packets; j++) { if (q->index > 0) q->index=Transparent; else { q->red=XDownScale(font_color.red); q->green=XDownScale(font_color.green); q->blue=XDownScale(font_color.blue); q->index=Opaque; } q++; } matte=image->matte; CompositeImage(image,OverCompositeOp,annotate_image,x+ (annotate_info->center ? (width >> 1)-(annotate_image->columns >> 1) : 0),y); image->matte=matte; y+=annotate_info->pointsize; DestroyImage(annotate_image); } free(text); for ( ; textlist[i] != (char *) NULL; i++) free(textlist[i]); free((char *) textlist); return; } /* Set our forgiving error handler. */ XSetErrorHandler(XError); /* Get user defaults from X resource database. */ resource_database=XGetResourceDatabase(display,client_name); XGetResourceInfo(resource_database,client_name,&resource_info); resource_info.colormap=PrivateColormap; map_info=XAllocStandardColormap(); if (map_info == (XStandardColormap *) NULL) Warning("Unable to create standard colormap","Memory allocation failed"); else { /* Initialize visual info. */ visual_info=XBestVisualInfo(display,map_info,&resource_info); if (visual_info == (XVisualInfo *) NULL) Warning("Unable to get visual",resource_info.visual_type); map_info->colormap=(Colormap) NULL; pixel_info.pixels=(unsigned long *) NULL; /* Initialize annotate info. */ XGetAnnotateInfo(&xannotate_info); if (annotate_info->font != (char *) NULL) resource_info.font=annotate_info->font; font_info=XBestFont(display,&resource_info,False); if (font_info == (XFontStruct *) NULL) Warning("Unable to load font",resource_info.font); xannotate_info.font_info=font_info; xannotate_info.text=text; xannotate_info.x=x; xannotate_info.y=y; xannotate_info.width=width; xannotate_info.height=font_info->ascent+font_info->descent; } if ((map_info == (XStandardColormap *) NULL) || (visual_info == (XVisualInfo *) NULL) || (font_info == (XFontStruct *) NULL)) { XFreeResources(display,visual_info,map_info,(XPixelInfo *) NULL, font_info,&resource_info,(XWindowInfo *) NULL); DestroyImage(image); return; } /* Initialize Standard Colormap. */ XGetMapInfo(visual_info,XDefaultColormap(display,visual_info->screen), map_info); if (annotate_info->pen != (char *) NULL) resource_info.foreground_color=annotate_info->pen; XGetPixelInfo(display,visual_info,map_info,&resource_info,(Image *) NULL, &pixel_info); pixel_info.annotate_context=XDefaultGC(display,visual_info->screen); pixel_info.annotate_index=1; /* Annotate the text image. */ for (i=0; textlist[i] != (char *) NULL; i++) { if ((x >= image->columns) || (y >= image->rows)) break; if (*textlist[i] == '\0') { free(textlist[i]); continue; } (void) strcpy(xannotate_info.text,textlist[i]); for (j=((int) strlen(textlist[i])-1) >> 1; j >= 0; j--) { xannotate_info.width=(height* XTextWidth(font_info,xannotate_info.text,strlen(xannotate_info.text)))/ xannotate_info.height; if (xannotate_info.width < width) break; (void) strcpy(xannotate_info.text,textlist[i]); (void) strcpy(xannotate_info.text+j,"..."); (void) strcat(xannotate_info.text,textlist[i]+strlen(textlist[i])-j-1); } free(textlist[i]); (void) sprintf(xannotate_info.geometry,"%ux%u%+d%+d",xannotate_info.width, height,xannotate_info.x+(annotate_info->center ? (width >> 1)- (xannotate_info.width >> 1) : 0),xannotate_info.y); xannotate_info.width= XTextWidth(font_info,xannotate_info.text,strlen(xannotate_info.text)); status=XAnnotateImage(display,&pixel_info,&xannotate_info,False,image); if (status == 0) { Warning("Unable to xannotate image","Memory allocation error"); break; } xannotate_info.y+=xannotate_info.height; y+=xannotate_info.height; } /* Free resources. */ XFreeResources(display,visual_info,map_info,(XPixelInfo *) NULL, font_info,&resource_info,(XWindowInfo *) NULL); XCloseDisplay(display); free(xannotate_info.text); for ( ; textlist[i] != (char *) NULL; i++) free(textlist[i]); free((char *) textlist); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % B l u r I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function BlurImage creates a new image that is a copy of an existing % one with the pixels blurred. It allocates the memory necessary for the % new Image structure and returns a pointer to the new image. % % BlurImage convolves the pixel neighborhood with this blurring mask: % % 1 2 1 % 2 W 2 % 1 2 1 % % The scan only processes pixels that have a full set of neighbors. Pixels % in the top, bottom, left, and right pairs of rows and columns are omitted % from the scan. % % The format of the BlurImage routine is: % % blurred_image=BlurImage(image,factor) % % A description of each parameter follows: % % o blurred_image: Function BlurImage returns a pointer to the image % after it is blurred. A null image is returned if there is a memory % shortage. % % o image: The address of a structure of type Image; returned from % ReadImage. % % o factor: An double value reflecting the percent weight to give to the % center pixel of the neighborhood. % % */ Image *BlurImage(image,factor) Image *image; double factor; { #define Blur(weight) \ total_red+=(weight)*(int) (s->red); \ total_green+=(weight)*(int) (s->green); \ total_blue+=(weight)*(int) (s->blue); \ s++; Image *blurred_image; long int total_blue, total_green, total_red, weight; register RunlengthPacket *p, *q, *s, *s0, *s1, *s2; register unsigned int x; RunlengthPacket background_pixel, *scanline; unsigned int quantum, y; if ((image->columns < 3) || (image->rows < 3)) { Warning("Unable to blur image","image size must exceed 3x3"); return((Image *) NULL); } /* Initialize blurred image attributes. */ blurred_image=CopyImage(image,image->columns,image->rows,False); if (blurred_image == (Image *) NULL) { Warning("Unable to enhance image","Memory allocation failed"); return((Image *) NULL); } blurred_image->class=DirectClass; /* Allocate scan line buffer for 3 rows of the image. */ scanline=(RunlengthPacket *) malloc(3*image->columns*sizeof(RunlengthPacket)); if (scanline == (RunlengthPacket *) NULL) { Warning("Unable to enhance image","Memory allocation failed"); DestroyImage(blurred_image); return((Image *) NULL); } /* Read the first two rows of the image. */ p=image->pixels; image->runlength=p->length+1; s=scanline; for (x=0; x < (image->columns << 1); x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *s=(*p); s++; } /* Dump first scanlines of image. */ background_pixel.red=0; background_pixel.green=0; background_pixel.blue=0; background_pixel.index=0; background_pixel.length=0; q=blurred_image->pixels; for (x=0; x < image->columns; x++) { *q=background_pixel; q++; } /* Convolve each row. */ weight=(long int) ((100.0-factor)/2-13); quantum=Max(weight+12,1); for (y=1; y < (image->rows-1); y++) { /* Initialize sliding window pointers. */ s0=scanline+image->columns*((y-1) % 3); s1=scanline+image->columns*(y % 3); s2=scanline+image->columns*((y+1) % 3); /* Read another scan line. */ s=s2; for (x=0; x < image->columns; x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *s=(*p); s++; } /* Transfer first pixel of the scanline. */ *q=background_pixel; q++; for (x=1; x < (image->columns-1); x++) { /* Compute weighted average of target pixel color components. */ total_red=0; total_green=0; total_blue=0; s=s0; Blur(1); Blur(2); Blur(1); s=s1; Blur(2); Blur(weight); Blur(2); s=s2; Blur(1); Blur(2); Blur(1); q->red=(Quantum) ((total_red+(quantum >> 1))/quantum); q->green=(Quantum) ((total_green+(quantum >> 1))/quantum); q->blue=(Quantum) ((total_blue+(quantum >> 1))/quantum); q->index=s1->index; q->length=0; q++; s0++; s1++; s2++; } /* Transfer last pixel of the scanline. */ *q=background_pixel; q++; } /* Dump last scanline of pixels. */ for (x=0; x < image->columns; x++) { *q=background_pixel; q++; } free((char *) scanline); return(blurred_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % B o r d e r I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function BorderImage takes an image and puts a border around it of a % particular color. It allocates the memory necessary for the new Image % structure and returns a pointer to the new image. Set the border and % highlight to the same color to get a solid border. % % The format of the BorderImage routine is: % % bordered_image=BorderImage(image,border_info,border_color) % % A description of each parameter follows: % % o bordered_image: Function BorderImage returns a pointer to the bordered % image. A null image is returned if there is a a memory shortage. % % o image: The address of a structure of type Image. % % o border_info: Specifies a pointer to a XRectangle which defines the % border region. % % o border_color: A pointer to a ColorPacket which contains the red, % green, and blue components of the border color. % % */ Image *BorderImage(image,border_info,border_color) Image *image; RectangleInfo *border_info; ColorPacket *border_color; { Image *bordered_image; register int x, y; register RunlengthPacket *p, *q; RunlengthPacket border; /* Initialize bordered image attributes. */ bordered_image=CopyImage(image,image->columns+(border_info->width << 1), image->rows+(border_info->height << 1),False); if (bordered_image == (Image *) NULL) { Warning("Unable to border image","Memory allocation failed"); return((Image *) NULL); } /* Initialize border color. */ border.red=border_color->red; border.green=border_color->green; border.blue=border_color->blue; border.index=border_color->index; border.length=0; /* Copy image and put border around it. */ q=bordered_image->pixels; for (y=0; y < border_info->height; y++) for (x=0; x < bordered_image->columns; x++) *q++=border; p=image->pixels; image->runlength=p->length+1; for (y=0; y < image->rows; y++) { /* Initialize scanline with border color. */ for (x=0; x < border_info->width; x++) *q++=border; /* Transfer scanline. */ for (x=0; x < image->columns; x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *q=(*p); q->length=0; q++; } x=0; while (x < (bordered_image->columns-image->columns-border_info->width)) { *q++=border; x++; } } for (y=(bordered_image->rows-image->rows-border_info->height-1); y >= 0; y--) for (x=0; x < bordered_image->columns; x++) *q++=border; return(bordered_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C u t I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ChopImage creates a new image that is a subregion of an existing % one. It allocates the memory necessary for the new Image structure and % returns a pointer to the new image. % % The format of the ChopImage routine is: % % chop_image=ChopImage(image,chop_info) % % A description of each parameter follows: % % o chop_image: Function ChopImage returns a pointer to the chop % image. A null image is returned if there is a a memory shortage or % if the image width or height is zero. % % o image: The address of a structure of type Image. % % o chop_info: Specifies a pointer to a RectangleInfo which defines the % region of the image to crop. % % */ Image *ChopImage(image,chop_info) Image *image; RectangleInfo *chop_info; { Image *chopped_image; register int x, y; register RunlengthPacket *p, *q; /* Check chop geometry. */ if (((chop_info->x+(int) chop_info->width) < 0) || ((chop_info->y+(int) chop_info->height) < 0) || (chop_info->x > (int) image->columns) || (chop_info->y > (int) image->rows)) { Warning("Unable to chop image","geometry does not contain image"); return((Image *) NULL); } if ((chop_info->x+(int) chop_info->width) > (int) image->columns) chop_info->width=(unsigned int) ((int) image->columns-chop_info->x); if ((chop_info->y+(int) chop_info->height) > (int) image->rows) chop_info->height=(unsigned int) ((int) image->rows-chop_info->y); if (chop_info->x < 0) { chop_info->width-=(unsigned int) (-chop_info->x); chop_info->x=0; } if (chop_info->y < 0) { chop_info->height-=(unsigned int) (-chop_info->y); chop_info->y=0; } /* Initialize chop image attributes. */ chopped_image=CopyImage(image,image->columns-chop_info->width, image->rows-chop_info->height,False); if (chopped_image == (Image *) NULL) { Warning("Unable to chop image","Memory allocation failed"); return((Image *) NULL); } /* Extract chop image. */ p=image->pixels; image->runlength=p->length+1; q=chopped_image->pixels; for (y=0; y < chop_info->y; y++) for (x=0; x < image->columns; x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } if ((x < chop_info->x) || (x >= (chop_info->x+chop_info->width))) { *q=(*p); q->length=0; q++; } } /* Skip pixels up to the chop image. */ for (x=0; x < (chop_info->height*image->columns); x++) if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } /* Extract chop image. */ for (y=0; y < (image->rows-(chop_info->y+chop_info->height)); y++) for (x=0; x < image->columns; x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } if ((x < chop_info->x) || (x >= (chop_info->x+chop_info->width))) { *q=(*p); q->length=0; q++; } } return(chopped_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C l o s e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function CloseImage closes a file associated with the image. If the % filename prefix is '|', the file is a pipe and is closed with pclose. % % The format of the CloseImage routine is: % % CloseImage(image) % % A description of each parameter follows: % % o image: The address of a structure of type Image. % % */ void CloseImage(image) Image *image; { /* Close image file. */ if (image == (Image *) NULL) return; if (image->file == (FILE *) NULL) return; image->status=ferror(image->file); if (image->pipe) (void) pclose(image->file); else if ((image->file != stdin) && (image->file != stdout)) (void) fclose(image->file); do { image->file=(FILE *) NULL; image=image->next; } while (image != (Image *) NULL); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C o m m e n t I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function CommentImage initializes an image comment. Optionally the % comment can include the image filename, type, width, height, or scene % number by embedding special format characters. Embed %f for filename, % %m for magick, %w for width, %h for height, %s for scene number, or \n % for newline. For example, % % %f %wx%h % % produces an image comment of % % bird.miff 512x480 % % for an image titled bird.miff and whose width is 512 and height is 480. % % The format of the CommentImage routine is: % % CommentImage(image,comments) % % A description of each parameter follows: % % o image: The address of a structure of type Image. % % o comments: The address of a character string containing the comment % format. % % */ void CommentImage(image,comments) Image *image; char *comments; { register char *p, *q; unsigned int indirection, length; if (image->comments != (char *) NULL) free((char *) image->comments); image->comments=(char *) NULL; if (comments == (char *) NULL) return; indirection=(*comments == '@'); if (indirection) { FILE *file; int c; /* Read comments from a file. */ file=(FILE *) fopen(comments+1,"r"); if (file == (FILE *) NULL) { Warning("Unable to read comments file",comments+1); return; } length=MaxTextLength; comments=(char *) malloc(length); for (q=comments ; comments != (char *) NULL; q++) { c=fgetc(file); if (c == EOF) break; if ((q-comments+1) >= length) { *q='\0'; length<<=1; comments=(char *) realloc((char *) comments,length); if (comments == (char *) NULL) break; q=comments+strlen(comments); } *q=(unsigned char) c; } (void) fclose(file); if (comments == (char *) NULL) { Warning("Unable to comments image","Memory allocation failed"); return; } *q='\0'; } /* Allocate and initialize image comments. */ p=comments; length=strlen(comments)+MaxTextLength; image->comments=(char *) malloc(length); for (q=image->comments; image->comments != (char *) NULL; p++) { *q='\0'; if (*p == '\0') break; if ((q-image->comments+MaxTextLength) >= length) { length<<=1; image->comments=(char *) realloc((char *) image->comments,length); if (image->comments == (char *) NULL) break; q=image->comments+strlen(image->comments); } /* Process formatting characters in comments. */ if ((*p == '\\') && (*(p+1) == 'n')) { *q++='\n'; p++; continue; } if (*p != '%') { *q++=(*p); continue; } p++; switch (*p) { case 'f': { register char *p; /* Label segment is the base of the filename. */ p=image->filename+strlen(image->filename)-1; while ((p > image->filename) && (*(p-1) != '/')) p--; (void) strcpy(q,p); q+=strlen(p); break; } case 'h': { (void) sprintf(q,"%u",image->magick_rows); q=image->comments+strlen(image->comments); break; } case 'm': { (void) strcpy(q,image->magick); q+=strlen(image->magick); break; } case 's': { (void) sprintf(q,"%u",image->scene); q=image->comments+strlen(image->comments); break; } case 'w': { (void) sprintf(q,"%u",image->magick_columns); q=image->comments+strlen(image->comments); break; } default: { *q++='%'; *q++=(*p); break; } } } if (image->comments == (char *) NULL) { Warning("Unable to comment image","Memory allocation failed"); return; } *q='\0'; if (indirection) free((char *) comments); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C o m p r e s s C o l o r m a p % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function CompressColormap compresses an image colormap removing any % unused color entries. % % The format of the CompressColormap routine is: % % CompressColormap(image) % % A description of each parameter follows: % % o image: The address of a structure of type Image. % % */ void CompressColormap(image) Image *image; { ColorPacket *colormap; int number_colors; register int i; register RunlengthPacket *p; register unsigned short index; /* Determine if colormap can be compressed. */ if (image->class != PseudoClass) return; number_colors=image->colors; for (i=0; i < image->colors; i++) image->colormap[i].flags=False; image->colors=0; p=image->pixels; for (i=0; i < image->packets; i++) { if (!image->colormap[p->index].flags) { image->colormap[p->index].index=image->colors; image->colormap[p->index].flags=True; image->colors++; } p++; } if (image->colors == number_colors) return; /* no unused entries */ /* Compress colormap. */ colormap=(ColorPacket *) malloc(image->colors*sizeof(ColorPacket)); if (colormap == (ColorPacket *) NULL) { Warning("Unable to compress colormap","Memory allocation failed"); image->colors=number_colors; return; } for (i=0; i < number_colors; i++) if (image->colormap[i].flags) { index=image->colormap[i].index; colormap[index].red=image->colormap[i].red; colormap[index].green=image->colormap[i].green; colormap[index].blue=image->colormap[i].blue; } /* Remap pixels. */ p=image->pixels; for (i=0; i < image->packets; i++) { p->index=image->colormap[p->index].index; p++; } free((char *) image->colormap); image->colormap=colormap; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C o m p r e s s I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function CompressImage compresses an image to the minimum number of % runlength-encoded packets. % % The format of the CompressImage routine is: % % CompressImage(image) % % A description of each parameter follows: % % o image: The address of a structure of type Image. % % */ void CompressImage(image) Image *image; { register int i; register RunlengthPacket *p, *q; /* Compress image. */ if (image == (Image *) NULL) return; p=image->pixels; image->runlength=p->length+1; image->packets=0; q=image->pixels; q->length=MaxRunlength; if (image->matte) for (i=0; i < (image->columns*image->rows); i++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } if ((p->red == q->red) && (p->green == q->green) && (p->blue == q->blue) && (p->index == q->index) && ((int) q->length < MaxRunlength)) q->length++; else { if (image->packets != 0) q++; image->packets++; *q=(*p); q->length=0; } } else for (i=0; i < (image->columns*image->rows); i++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } if ((p->red == q->red) && (p->green == q->green) && (p->blue == q->blue) && ((int) q->length < MaxRunlength)) q->length++; else { if (image->packets != 0) q++; image->packets++; *q=(*p); q->length=0; } } image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,image->packets*sizeof(RunlengthPacket)); /* Runlength-encode only if it takes up less space than no compression. */ if (image->compression == RunlengthEncodedCompression) if (image->class == DirectClass) { if (image->packets >= ((image->columns*image->rows*3) >> 2)) image->compression=NoCompression; } else if (image->packets >= ((image->columns*image->rows) >> 1)) image->compression=NoCompression; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C o m p o s i t e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function CompositeImage returns the second image composited onto the % first at the specified offsets. % % The format of the CompositeImage routine is: % % CompositeImage(image,compose,composite_image,x_offset,y_offset) % % A description of each parameter follows: % % o image: The address of a structure of type Image. % % o compose: Specifies an image composite operator. % % o composite_image: The address of a structure of type Image. % % o x_offset: An integer that specifies the column offset of the composited % image. % % o y_offset: An integer that specifies the row offset of the composited % image. % % */ void CompositeImage(image,compose,composite_image,x_offset,y_offset) Image *image; unsigned int compose; Image *composite_image; int x_offset, y_offset; { int blue, green, red; register int i, index, x, y; register RunlengthPacket *p, *q; /* Check composite geometry. */ if (((x_offset+(int) image->columns) < 0) || ((y_offset+(int) image->rows) < 0) || (x_offset > (int) image->columns) || (y_offset > (int) image->rows)) { Warning("Unable to composite image","geometry does not contain image"); return; } /* Image must be uncompressed. */ if (!UncompressImage(image)) return; if (compose == ReplaceCompositeOp) { /* Promote image to DirectClass if colormaps differ. */ if (image->class == PseudoClass) if (composite_image->class == DirectClass) image->class=DirectClass; else { if (image->signature == (char *) NULL) ColormapSignature(image); if (composite_image->signature == (char *) NULL) ColormapSignature(composite_image); if (strcmp(image->signature,composite_image->signature) != 0) image->class=DirectClass; } if (image->matte && !composite_image->matte) { p=composite_image->pixels; for (i=0; i < composite_image->packets; i++) { p->index=Opaque; p++; } composite_image->class=DirectClass; composite_image->matte=True; } } else { /* Initialize image matte data. */ if (!image->matte) { q=image->pixels; red=q->red; green=q->green; blue=q->blue; for (i=0; i < image->packets; i++) { q->index=Opaque; q++; } image->class=DirectClass; image->matte=True; } if (!composite_image->matte) { p=composite_image->pixels; red=p->red; green=p->green; blue=p->blue; for (i=0; i < composite_image->packets; i++) { p->index=Opaque; if ((p->red == red) && (p->green == green) && (p->blue == blue)) p->index=Transparent; p++; } composite_image->class=DirectClass; composite_image->matte=True; } } /* Initialize composited image. */ p=composite_image->pixels; composite_image->runlength=p->length+1; for (y=0; y < composite_image->rows; y++) { if (((y_offset+y) < 0) || ((y_offset+y) >= image->rows)) continue; q=image->pixels+(y_offset+y)*image->columns+x_offset; for (x=0; x < composite_image->columns; x++) { if (composite_image->runlength != 0) composite_image->runlength--; else { p++; composite_image->runlength=p->length; } if (((x_offset+x) < 0) || ((x_offset+x) >= image->columns)) { q++; continue; } switch (compose) { case OverCompositeOp: default: { if (p->index == Transparent) { red=q->red; green=q->green; blue=q->blue; index=q->index; } else if (p->index == Opaque) { red=p->red; green=p->green; blue=p->blue; index=p->index; } else { red=(int) (p->red*Opaque+q->red*(Opaque-p->index))/Opaque; green=(int) (p->green*Opaque+q->green*(Opaque-p->index))/Opaque; blue=(int) (p->blue*Opaque+q->blue*(Opaque-p->index))/Opaque; index=(int) (p->index*Opaque+q->index*(Opaque-p->index))/Opaque; } break; } case InCompositeOp: { red=(int) (p->red*q->index)/Opaque; green=(int) (p->green*q->index)/Opaque; blue=(int) (p->blue*q->index)/Opaque; index=(int) (p->index*q->index)/Opaque; break; } case OutCompositeOp: { red=(int) (p->red*(Opaque-q->index))/Opaque; green=(int) (p->green*(Opaque-q->index))/Opaque; blue=(int) (p->blue*(Opaque-q->index))/Opaque; index=(int) (p->index*(Opaque-q->index))/Opaque; break; } case AtopCompositeOp: { red=(int) (p->red*q->index+q->red*(Opaque-p->index))/Opaque; green=(int) (p->green*q->index+q->green*(Opaque-p->index))/Opaque; blue=(int) (p->blue*q->index+q->blue*(Opaque-p->index))/Opaque; index=(int) (p->index*q->index+q->index*(Opaque-p->index))/Opaque; break; } case XorCompositeOp: { red=(int) (p->red*(Opaque-q->index)+q->red*(Opaque-p->index))/Opaque; green=(int) (p->green*(Opaque-q->index)+q->green*(Opaque-p->index))/ Opaque; blue=(int) (p->blue*(Opaque-q->index)+q->blue*(Opaque-p->index))/ Opaque; index=(int) (p->index*(Opaque-q->index)+q->index*(Opaque-p->index))/ Opaque; break; } case PlusCompositeOp: { red=(int) p->red+(int) q->red; green=(int) p->green+(int) q->green; blue=(int) p->blue+(int) q->blue; index=(int) p->index+(int) q->index; break; } case MinusCompositeOp: { red=(int) p->red-(int) q->red; green=(int) p->green-(int) q->green; blue=(int) p->blue-(int) q->blue; index=Opaque; break; } case AddCompositeOp: { red=(int) p->red+(int) q->red; if (red > Opaque) red-=(Opaque+1); green=(int) p->green+(int) q->green; if (green > Opaque) green-=(Opaque+1); blue=(int) p->blue+(int) q->blue; if (blue > Opaque) blue-=(Opaque+1); index=(int) p->index+(int) q->index; if (index > Opaque) index-=(Opaque+1); break; } case SubtractCompositeOp: { red=(int) p->red-(int) q->red; if (red < 0) red+=(Opaque+1); green=(int) p->green-(int) q->green; if (green < 0) green+=(Opaque+1); blue=(int) p->blue-(int) q->blue; if (blue < 0) blue+=(Opaque+1); index=(int) p->index-(int) q->index; if (index < 0) index+=(Opaque+1); break; } case DifferenceCompositeOp: { red=AbsoluteValue((int) p->red-(int) q->red); green=AbsoluteValue((int) p->green-(int) q->green); blue=AbsoluteValue((int) p->blue-(int) q->blue); index=AbsoluteValue((int) p->index-(int) q->index); break; } case ReplaceCompositeOp: { red=p->red; green=p->green; blue=p->blue; index=p->index; break; } case BlendCompositeOp: { red=(int) (p->red*p->index+q->red*q->index)/Opaque; green=(int) (p->green*p->index+q->green*q->index)/Opaque; blue=(int) (p->blue*p->index+q->blue*q->index)/Opaque; index=Opaque; break; } } if (red > MaxRGB) q->red=MaxRGB; else if (red < 0) q->red=0; else q->red=red; if (green > MaxRGB) q->green=MaxRGB; else if (green < 0) q->green=0; else q->green=green; if (blue > MaxRGB) q->blue=MaxRGB; else if (blue < 0) q->blue=0; else q->blue=blue; if (index > Opaque) q->index=Opaque; else if (index < Transparent) q->index=Transparent; else q->index=index; q->length=0; q++; } } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % C o n t r a s t I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ContrastImage enhances the intensity differences between the % lighter and darker elements of the image. % % The format of the ContrastImage routine is: % % ContrastImage(image,sharpen) % % A description of each parameter follows: % % o image: The address of a structure of type Image; returned from % ReadImage. % % o sharpen: If True, the intensity is increased otherwise it is % decreased. % % */ static void Contrast(sign,red,green,blue) int sign; Quantum *red, *green, *blue; { double brightness, hue, minimum, saturation, theta; register double b, g, r; /* Convert RGB to HSV colorspace. */ hue=(-1.0); saturation=0.0; r=(double) (*red)/(double) MaxRGB; g=(double) (*green)/(double) MaxRGB; b=(double) (*blue)/(double) MaxRGB; if (r >= g) { if (r >= b) brightness=r; else brightness=b; } else if (g >= b) brightness=g; else brightness=b; if (r <= g) { if (r <= b) minimum=r; else minimum=b; } else if (g <= b) minimum=g; else minimum=b; if (brightness != 0.0) saturation=(brightness-minimum)/brightness; if (saturation != 0.0) { if (r == brightness) hue=(g-b)/(brightness-minimum); else if (g == brightness) hue=2.0+(b-r)/(brightness-minimum); else if (b == brightness) hue=4.0+(r-g)/(brightness-minimum); hue=hue*60.0; if (hue < 0.0) hue+=360.0; } /* Enhance contrast: dark color become darker, light color become lighter. */ theta=(brightness-0.5)*M_PI; brightness+=(((((sin(theta)+1.0))*0.5)-brightness)*sign)*0.5; if (brightness > 1.0) brightness=1.0; else if (brightness < 0) brightness=0.0; /* Convert HSV to RGB */ r=brightness; g=brightness; b=brightness; if ((hue != -1.0) && (saturation != 0.0)) { double f, j, k, l, v; int i; if (hue == 360.0) hue=0.0; hue=hue/60.0; i=floor(hue); if (i < 0) i=0; f=hue-i; j=brightness*(1.0-saturation); k=brightness*(1.0-(saturation*f)); l=brightness*(1.0-(saturation*(1.0-f))); v=brightness; switch (i) { case 0: r=v; g=l; b=j; break; case 1: r=k; g=v; b=j; break; case 2: r=j; g=v; b=l; break; case 3: r=j; g=k; b=v; break; case 4: r=l; g=j; b=v; break; case 5: r=v; g=j; b=k; break; } } *red=(Quantum) floor((r*(double) MaxRGB)+0.5); *green=(Quantum) floor((g*(double) MaxRGB)+0.5); *blue=(Quantum) floor((b*(double) MaxRGB)+0.5); } void ContrastImage(image,sharpen) Image *image; unsigned int sharpen; { int sign; register int i; register RunlengthPacket *p; sign=sharpen ? 1 : -1; switch (image->class) { case DirectClass: { /* Contrast enhance DirectClass image. */ p=image->pixels; for (i=0; i < image->packets; i++) { Contrast(sign,&p->red,&p->green,&p->blue); p++; } break; } case PseudoClass: { /* Contrast enhance PseudoClass image. */ for (i=0; i < image->colors; i++) Contrast(sign,&image->colormap[i].red,&image->colormap[i].green, &image->colormap[i].blue); SyncImage(image); break; } } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C o p y I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function CopyImage returns a copy of all fields of the input image. The % the pixel memory is allocated but the pixel data is not copied. % % The format of the CopyImage routine is: % % copy_image=CopyImage(image,columns,rows,copy_pixels) % % A description of each parameter follows: % % o copy_image: Function CopyImage returns a pointer to the image after % copying. A null image is returned if there is a memory shortage. % % o image: The address of a structure of type Image. % % o columns: An integer that specifies the number of columns in the copied % image. % % o rows: An integer that specifies the number of rows in the copied % image. % % o copy_pixels: Specifies whether the pixel data is copied. Must be % either True or False; % % */ Image *CopyImage(image,columns,rows,copy_pixels) Image *image; unsigned int columns, rows, copy_pixels; { Image *copy_image; register int i; /* Allocate image structure. */ copy_image=(Image *) malloc(sizeof(Image)); if (copy_image == (Image *) NULL) return((Image *) NULL); *copy_image=(*image); if (image->comments != (char *) NULL) { /* Allocate and copy the image comments. */ copy_image->comments=(char *) malloc((unsigned int) strlen(image->comments)+1); if (copy_image->comments == (char *) NULL) return((Image *) NULL); (void) strcpy(copy_image->comments,image->comments); } if (image->label != (char *) NULL) { /* Allocate and copy the image label. */ copy_image->label=(char *) malloc((unsigned int) strlen(image->label)+1); if (copy_image->label == (char *) NULL) return((Image *) NULL); (void) strcpy(copy_image->label,image->label); } copy_image->columns=columns; copy_image->rows=rows; copy_image->montage=(char *) NULL; copy_image->directory=(char *) NULL; if (image->colormap != (ColorPacket *) NULL) { /* Allocate and copy the image colormap. */ copy_image->colormap=(ColorPacket *) malloc(image->colors*sizeof(ColorPacket)); if (copy_image->colormap == (ColorPacket *) NULL) return((Image *) NULL); for (i=0; i < image->colors; i++) copy_image->colormap[i]=image->colormap[i]; } if (image->signature != (char *) NULL) { /* Allocate and copy the image signature. */ copy_image->signature=(char *) malloc((unsigned int) strlen(image->signature)+1); if (copy_image->signature == (char *) NULL) return((Image *) NULL); (void) strcpy(copy_image->signature,image->signature); } /* Allocate the image pixels. */ if (copy_pixels) copy_image->pixels=(RunlengthPacket *) malloc((unsigned int) image->packets*sizeof(RunlengthPacket)); else { copy_image->packets=copy_image->columns*copy_image->rows; copy_image->pixels=(RunlengthPacket *) malloc((unsigned int) copy_image->packets*sizeof(RunlengthPacket)); } if (copy_image->pixels == (RunlengthPacket *) NULL) return((Image *) NULL); if (copy_pixels) { register RunlengthPacket *p, *q; /* Copy the image pixels. */ p=image->pixels; q=copy_image->pixels; for (i=0; i < image->packets; i++) { *q=(*p); p++; q++; } } if (image->orphan) { copy_image->file=(FILE *) NULL; copy_image->previous=(Image *) NULL; copy_image->next=(Image *) NULL; } else { /* Link image into image list. */ if (copy_image->previous != (Image *) NULL) copy_image->previous->next=copy_image; if (copy_image->next != (Image *) NULL) copy_image->next->previous=copy_image; } copy_image->orphan=False; return(copy_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C r o p I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function CropImage creates a new image that is a subregion of an existing % one. It allocates the memory necessary for the new Image structure and % returns a pointer to the new image. This routine is optimized to perserve % the runlength encoding. That is, the cropped image will always use less % memory than the original. % % The format of the CropImage routine is: % % cropped_image=CropImage(image,crop_info) % % A description of each parameter follows: % % o cropped_image: Function CropImage returns a pointer to the cropped % image. A null image is returned if there is a a memory shortage or % if the image width or height is zero. % % o image: The address of a structure of type Image. % % o crop_info: Specifies a pointer to a RectangleInfo which defines the % region of the image to crop. % % */ Image *CropImage(image,crop_info) Image *image; RectangleInfo *crop_info; { Image *cropped_image; register int x, y; register RunlengthPacket *p, *q; /* Check crop geometry. */ if (((crop_info->x+(int) crop_info->width) < 0) || ((crop_info->y+(int) crop_info->height) < 0) || (crop_info->x > (int) image->columns) || (crop_info->y > (int) image->rows)) { Warning("Unable to crop image","geometry does not contain image"); return((Image *) NULL); } if ((crop_info->x+(int) crop_info->width) > (int) image->columns) crop_info->width=(unsigned int) ((int) image->columns-crop_info->x); if ((crop_info->y+(int) crop_info->height) > (int) image->rows) crop_info->height=(unsigned int) ((int) image->rows-crop_info->y); if (crop_info->x < 0) { crop_info->width-=(unsigned int) (-crop_info->x); crop_info->x=0; } if (crop_info->y < 0) { crop_info->height-=(unsigned int) (-crop_info->y); crop_info->y=0; } if ((crop_info->width == 0) && (crop_info->height == 0)) { register int i; RunlengthPacket corners[4]; /* Set bounding box to the image dimensions. */ crop_info->width=0; crop_info->height=0; crop_info->x=image->columns; crop_info->y=image->rows; p=image->pixels; image->runlength=p->length+1; corners[0]=(*p); for (i=1; i <= (image->rows*image->columns); i++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } if (i == image->columns) corners[1]=(*p); if (i == (image->rows*image->columns-image->columns+1)) corners[2]=(*p); if (i == (image->rows*image->columns)) corners[3]=(*p); } p=image->pixels; image->runlength=p->length+1; for (y=0; y < image->rows; y++) { for (x=0; x < image->columns; x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } if ((p->red != corners[0].red) || (p->green != corners[0].green) || (p->blue != corners[0].blue)) if (x < crop_info->x) crop_info->x=x; if ((p->red != corners[1].red) || (p->green != corners[1].green) || (p->blue != corners[1].blue)) if (x > crop_info->width) crop_info->width=x; if ((p->red != corners[0].red) || (p->green != corners[0].green) || (p->blue != corners[0].blue)) if (y < crop_info->y) crop_info->y=y; if ((p->red != corners[2].red) || (p->green != corners[2].green) || (p->blue != corners[2].blue)) if (y > crop_info->height) crop_info->height=y; } } crop_info->width-=crop_info->x-1; crop_info->height-=crop_info->y-1; } if ((crop_info->width == 0) || (crop_info->height == 0)) { Warning("Unable to crop image","geometry dimensions are zero"); return((Image *) NULL); } /* Initialize cropped image attributes. */ cropped_image=CopyImage(image,crop_info->width,crop_info->height,True); if (cropped_image == (Image *) NULL) { Warning("Unable to crop image","Memory allocation failed"); return((Image *) NULL); } /* Skip pixels up to the cropped image. */ p=image->pixels; image->runlength=p->length+1; for (x=0; x < (crop_info->y*image->columns+crop_info->x); x++) if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } /* Extract cropped image. */ cropped_image->packets=0; q=cropped_image->pixels; q->red=0; q->green=0; q->blue=0; q->index=0; q->length=MaxRunlength; for (y=0; y < (cropped_image->rows-1); y++) { /* Transfer scanline. */ for (x=0; x < cropped_image->columns; x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } if ((p->red == q->red) && (p->green == q->green) && (p->blue == q->blue) && (p->index == q->index) && ((int) q->length < MaxRunlength)) q->length++; else { if (cropped_image->packets != 0) q++; cropped_image->packets++; *q=(*p); q->length=0; } } /* Skip to next scanline. */ for (x=0; x < (image->columns-cropped_image->columns); x++) if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } } /* Transfer last scanline. */ for (x=0; x < cropped_image->columns; x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } if ((p->red == q->red) && (p->green == q->green) && (p->blue == q->blue) && (p->index == q->index) && ((int) q->length < MaxRunlength)) q->length++; else { if (cropped_image->packets != 0) q++; cropped_image->packets++; *q=(*p); q->length=0; } } cropped_image->pixels=(RunlengthPacket *) realloc((char *) cropped_image->pixels,cropped_image->packets*sizeof(RunlengthPacket)); return(cropped_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % D e s c r i b e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function DescribeImage describes an image by printing its attributes to % stderr. % % The format of the DescribeImage routine is: % % DescribeImage(image,file,verbose) % % A description of each parameter follows: % % o image: The address of a structure of type Image. % % o file: send the image attributes to this file. % % o verbose: an unsigned value other than zero prints detailed information % about the image. % % */ void DescribeImage(image,file,verbose) Image *image; FILE *file; unsigned int verbose; { Image *p; unsigned int count; if (!verbose) { /* Display detailed info about the image. */ if (*image->magick_filename != '\0') if (strcmp(image->magick_filename,image->filename) != 0) (void) fprintf(file,"%s=>",image->magick_filename); if ((image->previous == (Image *) NULL) && (image->next == (Image *) NULL) && (image->scene == 0)) (void) fprintf(file,"%s ",image->filename); else (void) fprintf(file,"%s[%u] ",image->filename,image->scene); if ((image->magick_columns != 0) || (image->magick_rows != 0)) if ((image->magick_columns != image->columns) || (image->magick_rows != image->rows)) (void) fprintf(file,"%ux%u=>",image->magick_columns, image->magick_rows); (void) fprintf(file,"%ux%u ",image->columns,image->rows); if (image->class == DirectClass) { (void) fprintf(file,"DirectClass "); if (image->total_colors != 0) (void) fprintf(file,"%luc ",image->total_colors); } else if (image->total_colors <= image->colors) (void) fprintf(file,"PseudoClass %uc ",image->colors); else { (void) fprintf(file,"PseudoClass %lu=>%uc ",image->total_colors, image->colors); (void) fprintf(file,"%u/%.6f/%.6fe ",image->mean_error_per_pixel, image->normalized_mean_error,image->normalized_maximum_error); } if (image->filesize != 0) (void) fprintf(file,"%lub ",image->filesize); (void) fprintf(file,"%s %lds\n",image->magick,time((time_t *) NULL)- image->magick_time+1); return; } /* Display verbose info about the image. */ (void) fprintf(file,"Image: %s\n",image->filename); if (image->class == DirectClass) (void) fprintf(file," class: DirectClass\n"); else (void) fprintf(file," class: PseudoClass\n"); if (image->class == PseudoClass) if (image->total_colors <= image->colors) (void) fprintf(file," colors: %u\n",image->colors); else (void) fprintf(file," colors: %lu=>%u\n",image->total_colors, image->colors); if (image->signature != (char *) NULL) (void) fprintf(file," signature: %s\n",image->signature); if (image->matte) (void) fprintf(file," matte: True\n"); else (void) fprintf(file," matte: False\n"); if (image->packets < (image->columns*image->rows)) (void) fprintf(file," runlength packets: %u of %u\n",image->packets, image->columns*image->rows); (void) fprintf(file," geometry: %ux%u\n",image->columns,image->rows); (void) fprintf(file," depth: %u\n",image->depth); if (image->filesize != 0) (void) fprintf(file," bytes: %ld\n",image->filesize); (void) fprintf(file," format: %s\n",image->magick); p=image; while (p->previous != (Image *) NULL) p=p->previous; for (count=1; p->next != (Image *) NULL; count++) p=p->next; if (count > 1) (void) fprintf(file," scene: %u of %u\n",image->scene,count); else if (image->scene != 0) (void) fprintf(file," scene: %u\n",image->scene); if (image->montage != (char *) NULL) (void) fprintf(file," montage: %s\n",image->montage); if (image->directory != (char *) NULL) (void) fprintf(file," directory:\n\n%s\n",image->directory); if (image->label != (char *) NULL) (void) fprintf(file," label: %s\n",image->label); if (image->comments != (char *) NULL) (void) fprintf(file," comments:\n%s\n",image->comments); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % D e s p e c k l e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function DespeckleImage creates a new image that is a copy of an existing % one with the speckle noise reduced. It uses the eight hull algorithm % described in Applied Optics, Vol. 24, No. 10, 15 May 1985, "Geometric filter % for Speckle Reduction", by Thomas R Crimmins. Each pixel in the image is % replaced by one of its eight of its surrounding pixels using a polarity and % negative hull function. DespeckleImage allocates the memory necessary for % the new Image structure and returns a pointer to the new image. % % The format of the DespeckleImage routine is: % % despeckled_image=DespeckleImage(image) % % A description of each parameter follows: % % o despeckled_image: Function DespeckleImage returns a pointer to the image % after it is despeckled. A null image is returned if there is a memory % shortage. % % o image: The address of a structure of type Image; returned from % ReadImage. % % */ static void Hull(x_offset,y_offset,polarity,columns,rows,f,g) int x_offset, y_offset, polarity; unsigned int columns, rows; Quantum *f, *g; { int y; register int x; register Quantum *p, *q, *r, *s; Quantum v; p=f+(columns+2); q=g+(columns+2); r=p+(y_offset*((int) columns+2)+x_offset); for (y=0; y < rows; y++) { p++; q++; r++; if (polarity > 0) for (x=0; x < columns; x++) { v=(*p); if (*r > v) v++; *q=v; p++; q++; r++; } else for (x=0; x < columns; x++) { v=(*p); if (v > (Quantum) (*r+1)) v--; *q=v; p++; q++; r++; } p++; q++; r++; } p=f+(columns+2); q=g+(columns+2); r=q+(y_offset*((int) columns+2)+x_offset); s=q-(y_offset*((int) columns+2)+x_offset); for (y=0; y < rows; y++) { p++; q++; r++; s++; if (polarity > 0) for (x=0; x < columns; x++) { v=(*q); if (((Quantum) (*s+1) > v) && (*r > v)) v++; *p=v; p++; q++; r++; s++; } else for (x=0; x < columns; x++) { v=(*q); if (((Quantum) (*s+1) < v) && (*r < v)) v--; *p=v; p++; q++; r++; s++; } p++; q++; r++; s++; } } Image *DespeckleImage(image) Image *image; { Image *despeckled_image; int x; Quantum *blue_channel, *buffer, *green_channel, *matte_channel, *red_channel; register int i, j; register RunlengthPacket *p, *q; static int X[4]= {0, 1, 1,-1}, Y[4]= {1, 0, 1, 1}; unsigned int packets; /* Allocate despeckled image. */ despeckled_image=CopyImage(image,image->columns,image->rows,False); if (despeckled_image == (Image *) NULL) { Warning("Unable to despeckle image","Memory allocation failed"); return((Image *) NULL); } despeckled_image->class=DirectClass; /* Allocate image buffers. */ packets=(image->columns+2)*(image->rows+2); red_channel=(Quantum *) malloc(packets*sizeof(Quantum)); green_channel=(Quantum *) malloc(packets*sizeof(Quantum)); blue_channel=(Quantum *) malloc(packets*sizeof(Quantum)); matte_channel=(Quantum *) malloc(packets*sizeof(Quantum)); buffer=(Quantum *) malloc(packets*sizeof(Quantum)); if ((red_channel == (Quantum *) NULL) || (green_channel == (Quantum *) NULL) || (blue_channel == (Quantum *) NULL) || (matte_channel == (Quantum *) NULL) || (buffer == (Quantum *) NULL) || !UncompressImage(image)) { Warning("Unable to despeckle image","Memory allocation failed"); DestroyImage(despeckled_image); return((Image *) NULL); } /* Zero image buffers. */ for (i=0; i < packets; i++) { red_channel[i]=0; green_channel[i]=0; blue_channel[i]=0; matte_channel[i]=0; buffer[i]=0; } /* Copy image pixels to color component buffers */ x=image->columns+2; p=image->pixels; for (j=0; j < image->rows; j++) { x++; for (i=0; i < image->columns; i++) { red_channel[x]=p->red; green_channel[x]=p->green; blue_channel[x]=p->blue; matte_channel[x]=p->index; x++; p++; } x++; } /* Reduce speckle in red channel. */ for (i=0; i < 4; i++) { Hull(X[i],Y[i],1,image->columns,image->rows,red_channel,buffer); Hull(-X[i],-Y[i],1,image->columns,image->rows,red_channel,buffer); Hull(-X[i],-Y[i],-1,image->columns,image->rows,red_channel,buffer); Hull(X[i],Y[i],-1,image->columns,image->rows,red_channel,buffer); } /* Reduce speckle in green channel. */ for (i=0; i < packets; i++) buffer[i]=0; for (i=0; i < 4; i++) { Hull(X[i],Y[i],1,image->columns,image->rows,green_channel,buffer); Hull(-X[i],-Y[i],1,image->columns,image->rows,green_channel,buffer); Hull(-X[i],-Y[i],-1,image->columns,image->rows,green_channel,buffer); Hull(X[i],Y[i],-1,image->columns,image->rows,green_channel,buffer); } /* Reduce speckle in blue channel. */ for (i=0; i < packets; i++) buffer[i]=0; for (i=0; i < 4; i++) { Hull(X[i],Y[i],1,image->columns,image->rows,blue_channel,buffer); Hull(-X[i],-Y[i],1,image->columns,image->rows,blue_channel,buffer); Hull(-X[i],-Y[i],-1,image->columns,image->rows,blue_channel,buffer); Hull(X[i],Y[i],-1,image->columns,image->rows,blue_channel,buffer); } /* Copy color component buffers to despeckled image. */ x=image->columns+2; q=despeckled_image->pixels; for (j=0; j < image->rows; j++) { x++; for (i=0; i < image->columns; i++) { q->red=red_channel[x]; q->green=green_channel[x]; q->blue=blue_channel[x]; q->index=matte_channel[x]; q->length=0; q++; x++; } x++; } /* Free memory. */ free((char *) buffer); free((char *) blue_channel); free((char *) green_channel); free((char *) red_channel); return(despeckled_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % D e s t r o y I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function DestroyImage deallocates memory associated with an image. % % The format of the DestroyImage routine is: % % DestroyImage(image) % % A description of each parameter follows: % % o image: The address of a structure of type Image. % % */ void DestroyImage(image) Image *image; { if (image == (Image *) NULL) return; /* Close image. */ CloseImage(image); /* Deallocate the image comments. */ if (image->comments != (char *) NULL) free((char *) image->comments); /* Deallocate the image label. */ if (image->label != (char *) NULL) free((char *) image->label); /* Deallocate the image montage directory. */ if (image->montage != (char *) NULL) free((char *) image->montage); if (image->directory != (char *) NULL) free((char *) image->directory); /* Deallocate the image colormap. */ if (image->colormap != (ColorPacket *) NULL) free((char *) image->colormap); /* Deallocate the image signature. */ if (image->signature != (char *) NULL) free((char *) image->signature); /* Deallocate the image pixels. */ if (image->pixels != (RunlengthPacket *) NULL) free((char *) image->pixels); if (image->packed_pixels != (unsigned char *) NULL) free((char *) image->packed_pixels); /* Deallocate the image structure. */ free((char *) image); image=(Image *) NULL; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % D e s t r o y I m a g e s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function DestroyImages deallocates memory associated with a linked list % of images. % % The format of the DestroyImages routine is: % % DestroyImages(image) % % A description of each parameter follows: % % o image: The address of a structure of type Image. % % */ void DestroyImages(image) Image *image; { Image *next_image; if (image == (Image *) NULL) return; /* Proceed to the top of the image list. */ while (image->previous != (Image *) NULL) image=image->previous; do { /* Destroy this image. */ next_image=image->next; DestroyImage(image); image=next_image; } while (image != (Image *) NULL); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % E m b o s s I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function EmbossImage creates a new image that is a copy of an existing % one with the edge highlighted. It allocates the memory necessary for the % new Image structure and returns a pointer to the new image. % % EmbossImage convolves the pixel neighborhood with this edge detection mask: % % -1 -2 0 % -2 0 2 % 0 2 1 % % The scan only processes pixels that have a full set of neighbors. Pixels % in the top, bottom, left, and right pairs of rows and columns are omitted % from the scan. % % The format of the EmbossImage routine is: % % embossed_image=EmbossImage(image) % % A description of each parameter follows: % % o embossed_image: Function EmbossImage returns a pointer to the image % after it is embossed. A null image is returned if there is a memory % shortage. % % o image: The address of a structure of type Image; returned from % ReadImage. % % */ Image *EmbossImage(image) Image *image; { #define Emboss(weight) \ total_red+=(weight)*(int) (s->red); \ total_green+=(weight)*(int) (s->green); \ total_blue+=(weight)*(int) (s->blue); \ s++; Image *embossed_image; long int total_blue, total_green, total_red; register RunlengthPacket *p, *q, *s, *s0, *s1, *s2; register unsigned int x; RunlengthPacket background_pixel, *scanline; unsigned int y; if ((image->columns < 3) || (image->rows < 3)) { Warning("Unable to emboss image","image size must exceed 3x3"); return((Image *) NULL); } /* Initialize embossed image attributes. */ embossed_image=CopyImage(image,image->columns,image->rows,False); if (embossed_image == (Image *) NULL) { Warning("Unable to enhance image","Memory allocation failed"); return((Image *) NULL); } embossed_image->class=DirectClass; /* Allocate scan line buffer for 3 rows of the image. */ scanline=(RunlengthPacket *) malloc(3*image->columns*sizeof(RunlengthPacket)); if (scanline == (RunlengthPacket *) NULL) { Warning("Unable to enhance image","Memory allocation failed"); DestroyImage(embossed_image); return((Image *) NULL); } /* Read the first two rows of the image. */ p=image->pixels; image->runlength=p->length+1; s=scanline; for (x=0; x < (image->columns << 1); x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *s=(*p); s++; } /* Dump first scanlines of image. */ background_pixel.red=0; background_pixel.green=0; background_pixel.blue=0; background_pixel.index=0; background_pixel.length=0; q=embossed_image->pixels; for (x=0; x < image->columns; x++) { *q=background_pixel; q++; } /* Convolve each row. */ for (y=1; y < (image->rows-1); y++) { /* Initialize sliding window pointers. */ s0=scanline+image->columns*((y-1) % 3); s1=scanline+image->columns*(y % 3); s2=scanline+image->columns*((y+1) % 3); /* Read another scan line. */ s=s2; for (x=0; x < image->columns; x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *s=(*p); s++; } /* Transfer first pixel of the scanline. */ *q=background_pixel; q++; for (x=1; x < (image->columns-1); x++) { /* Compute weighted average of target pixel color components. */ total_red=0; total_green=0; total_blue=0; s=s1+1; s=s0; Emboss(-1); Emboss(-2); Emboss( 0); s=s1; Emboss(-2); Emboss( 0); Emboss( 2); s=s2; Emboss( 0); Emboss( 2); Emboss( 1); total_red+=(MaxRGB+1) >> 1; if (total_red < 0) total_red=0; else if (total_red > MaxRGB) total_red=MaxRGB; total_green+=(MaxRGB+1) >> 1; if (total_green < 0) total_green=0; else if (total_green > MaxRGB) total_green=MaxRGB; total_blue+=(MaxRGB+1) >> 1; if (total_blue < 0) total_blue=0; else if (total_blue > MaxRGB) total_blue=MaxRGB; q->red=(Quantum) total_red; q->green=(Quantum) total_green; q->blue=(Quantum) total_blue; q->index=s1->index; q->length=0; q++; s0++; s1++; s2++; } /* Transfer last pixel of the scanline. */ *q=background_pixel; q++; } /* Dump last scanline of pixels. */ for (x=0; x < image->columns; x++) { *q=background_pixel; q++; } free((char *) scanline); /* Convert image to Grayscale and normalize. */ embossed_image->class=DirectClass; (void) IsGrayImage(embossed_image); NormalizeImage(embossed_image); return(embossed_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % E d g e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function EdgeImage creates a new image that is a copy of an existing % one with the edges highlighted. It allocates the memory necessary for the % new Image structure and returns a pointer to the new image. % % EdgeImage convolves the pixel neighborhood with this edge detection mask: % % -1 -2 0 % -2 0 2 % 0 2 1 % % The scan only processes pixels that have a full set of neighbors. Pixels % in the top, bottom, left, and right pairs of rows and columns are omitted % from the scan. % % The format of the EdgeImage routine is: % % edged_image=EdgeImage(image) % % A description of each parameter follows: % % o edged_image: Function EdgeImage returns a pointer to the image % after it is edged. A null image is returned if there is a memory % shortage. % % o image: The address of a structure of type Image; returned from % ReadImage. % % */ Image *EdgeImage(image) Image *image; { #define Edge(weight) \ total_red+=(weight)*(int) (s->red); \ total_green+=(weight)*(int) (s->green); \ total_blue+=(weight)*(int) (s->blue); \ s++; Image *edged_image; long int total_blue, total_green, total_red; register RunlengthPacket *p, *q, *s, *s0, *s1, *s2; register unsigned int x; RunlengthPacket background_pixel, *scanline; unsigned int y; if ((image->columns < 3) || (image->rows < 3)) { Warning("Unable to detect edges","image size must exceed 3x3"); return((Image *) NULL); } /* Initialize edged image attributes. */ edged_image=CopyImage(image,image->columns,image->rows,False); if (edged_image == (Image *) NULL) { Warning("Unable to enhance image","Memory allocation failed"); return((Image *) NULL); } edged_image->class=DirectClass; /* Allocate scan line buffer for 3 rows of the image. */ scanline=(RunlengthPacket *) malloc(3*image->columns*sizeof(RunlengthPacket)); if (scanline == (RunlengthPacket *) NULL) { Warning("Unable to enhance image","Memory allocation failed"); DestroyImage(edged_image); return((Image *) NULL); } /* Read the first two rows of the image. */ p=image->pixels; image->runlength=p->length+1; s=scanline; for (x=0; x < (image->columns << 1); x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *s=(*p); s++; } /* Dump first scanlines of image. */ background_pixel.red=0; background_pixel.green=0; background_pixel.blue=0; background_pixel.index=0; background_pixel.length=0; q=edged_image->pixels; for (x=0; x < image->columns; x++) { *q=background_pixel; q++; } /* Convolve each row. */ for (y=1; y < (image->rows-1); y++) { /* Initialize sliding window pointers. */ s0=scanline+image->columns*((y-1) % 3); s1=scanline+image->columns*(y % 3); s2=scanline+image->columns*((y+1) % 3); /* Read another scan line. */ s=s2; for (x=0; x < image->columns; x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *s=(*p); s++; } /* Transfer first pixel of the scanline. */ *q=background_pixel; q++; for (x=1; x < (image->columns-1); x++) { /* Compute weighted average of target pixel color components. */ total_red=0; total_green=0; total_blue=0; s=s1+1; s=s0; Edge(-1); Edge(-2); Edge( 0); s=s1; Edge(-2); Edge( 0); Edge( 2); s=s2; Edge( 0); Edge( 2); Edge( 1); if (total_red < 0) total_red=(-total_red); if (total_red > MaxRGB) total_red=MaxRGB; if (total_green < 0) total_green=(-total_green); if (total_green > MaxRGB) total_green=MaxRGB; if (total_blue < 0) total_blue=(-total_blue); if (total_blue > MaxRGB) total_blue=MaxRGB; q->red=(Quantum) total_red; q->green=(Quantum) total_green; q->blue=(Quantum) total_blue; q->index=s1->index; q->length=0; q++; s0++; s1++; s2++; } /* Transfer last pixel of the scanline. */ *q=background_pixel; q++; } /* Dump last scanline of pixels. */ for (x=0; x < image->columns; x++) { *q=background_pixel; q++; } free((char *) scanline); /* Normalize image. */ NormalizeImage(edged_image); return(edged_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % E n h a n c e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function EnhanceImage creates a new image that is a copy of an existing % one with the noise reduced. It allocates the memory necessary for the new % Image structure and returns a pointer to the new image. % % EnhanceImage does a weighted average of pixels in a 5x5 cell around each % target pixel. Only pixels in the 5x5 cell that are within a RGB distance % threshold of the target pixel are averaged. % % Weights assume that the importance of neighboring pixels is negately % proportional to the square of their distance from the target pixel. % % The scan only processes pixels that have a full set of neighbors. Pixels % in the top, bottom, left, and right pairs of rows and columns are omitted % from the scan. % % The format of the EnhanceImage routine is: % % enhanced_image=EnhanceImage(image) % % A description of each parameter follows: % % o enhanced_image: Function EnhanceImage returns a pointer to the image % after it is enhanced. A null image is returned if there is a memory % shortage. % % o image: The address of a structure of type Image; returned from % ReadImage. % % */ Image *EnhanceImage(image) Image *image; { #define Enhance(weight) \ distance=(int) s->red-(int) red; \ distance_squared=squares[distance]; \ distance=(int) s->green-(int) green; \ distance_squared+=squares[distance]; \ distance=(int) s->blue-(int) blue; \ distance_squared+=squares[distance]; \ if (distance_squared < Threshold) \ { \ total_red+=(weight)*(s->red); \ total_green+=(weight)*(s->green); \ total_blue+=(weight)*(s->blue); \ total_weight+=(weight); \ } \ s++; #define Threshold 2500 double distance_squared; Image *enhanced_image; int distance, i; Quantum blue, green, red; register RunlengthPacket *p, *q, *s, *s0, *s1, *s2, *s3, *s4; register unsigned int *squares; RunlengthPacket *scanline; unsigned int x, y; unsigned long total_blue, total_green, total_red, total_weight; if ((image->columns < 5) || (image->rows < 5)) { Warning("Unable to enhance image","image size must exceed 4x4"); return((Image *) NULL); } /* Initialize enhanced image attributes. */ enhanced_image=CopyImage(image,image->columns,image->rows,False); if (enhanced_image == (Image *) NULL) { Warning("Unable to enhance image","Memory allocation failed"); return((Image *) NULL); } enhanced_image->class=DirectClass; /* Allocate scan line buffer for 5 rows of the image. */ scanline=(RunlengthPacket *) malloc(5*image->columns*sizeof(RunlengthPacket)); squares=(unsigned int *) malloc((MaxRGB+MaxRGB+1)*sizeof(unsigned int)); if ((scanline == (RunlengthPacket *) NULL) || (squares == (unsigned int *) NULL)) { Warning("Unable to enhance image","Memory allocation failed"); DestroyImage(enhanced_image); return((Image *) NULL); } squares+=MaxRGB; for (i=(-MaxRGB); i <= MaxRGB; i++) squares[i]=i*i; /* Read the first 4 rows of the image. */ p=image->pixels; image->runlength=p->length+1; s=scanline; for (x=0; x < (image->columns*4); x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *s=(*p); s++; } /* Dump first 2 scanlines of image. */ q=enhanced_image->pixels; s=scanline; for (x=0; x < (image->columns << 1); x++) { *q=(*s); q->length=0; q++; s++; } /* Enhance each row. */ for (y=2; y < (image->rows-2); y++) { /* Initialize sliding window pointers. */ s0=scanline+image->columns*((y-2) % 5); s1=scanline+image->columns*((y-1) % 5); s2=scanline+image->columns*(y % 5); s3=scanline+image->columns*((y+1) % 5); s4=scanline+image->columns*((y+2) % 5); /* Read another scan line. */ s=s4; for (x=0; x < image->columns; x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *s=(*p); s++; } /* Transfer first 2 pixels of the scanline. */ s=s2; for (x=0; x < 2; x++) { *q=(*s); q->length=0; q++; s++; } for (x=2; x < (image->columns-2); x++) { /* Compute weighted average of target pixel color components. */ total_red=0; total_green=0; total_blue=0; total_weight=0; s=s2+2; red=s->red; green=s->green; blue=s->blue; s=s0; Enhance(5); Enhance(8); Enhance(10); Enhance(8); Enhance(5); s=s1; Enhance(8); Enhance(20); Enhance(40); Enhance(20); Enhance(8); s=s2; Enhance(10); Enhance(40); Enhance(80); Enhance(40); Enhance(10); s=s3; Enhance(8); Enhance(20); Enhance(40); Enhance(20); Enhance(8); s=s4; Enhance(5); Enhance(8); Enhance(10); Enhance(8); Enhance(5); q->red=(Quantum) ((total_red+(total_weight >> 1)-1)/total_weight); q->green= (Quantum) ((total_green+(total_weight >> 1)-1)/total_weight); q->blue=(Quantum) ((total_blue+(total_weight >> 1)-1)/total_weight); q->index=s2->index; q->length=0; q++; s0++; s1++; s2++; s3++; s4++; } /* Transfer last 2 pixels of the scanline. */ s=s2; for (x=0; x < 2; x++) { *q=(*s); q->length=0; q++; s++; } } /* Dump last 2 scanlines of pixels. */ s=scanline+image->columns*(y % 5); for (x=0; x < (image->columns << 1); x++) { *q=(*s); q->length=0; q++; s++; } squares-=MaxRGB; free((char *) squares); free((char *) scanline); return(enhanced_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % E q u a l i z e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function EqualizeImage performs histogram equalization on the reference % image. % % The format of the EqualizeImage routine is: % % EqualizeImage(image) % % A description of each parameter follows: % % o image: The address of a structure of type Image; returned from % ReadImage. % % */ void EqualizeImage(image) Image *image; { Quantum *equalize_map; register int i, j; register RunlengthPacket *p; unsigned int high, *histogram, low, *map; /* Allocate and initialize histogram arrays. */ histogram=(unsigned int *) malloc((MaxRGB+1)*sizeof(unsigned int)); map=(unsigned int *) malloc((MaxRGB+1)*sizeof(unsigned int)); equalize_map=(Quantum *) malloc((MaxRGB+1)*sizeof(Quantum)); if ((histogram == (unsigned int *) NULL) || (map == (unsigned int *) NULL) || (equalize_map == (Quantum *) NULL)) { Warning("Unable to equalize image","Memory allocation failed"); return; } /* Form histogram. */ for (i=0; i <= MaxRGB; i++) histogram[i]=0; p=image->pixels; for (i=0; i < image->packets; i++) { histogram[Intensity(*p)]+=(p->length+1); p++; } /* Integrate the histogram to get the equalization map. */ j=0; for (i=0; i <= MaxRGB; i++) { j+=histogram[i]; map[i]=j; } free((char *) histogram); if (map[MaxRGB] == 0) { free((char *) equalize_map); free((char *) map); return; } /* Equalize. */ low=map[0]; high=map[MaxRGB]; for (i=0; i <= MaxRGB; i++) equalize_map[i]=(Quantum) ((((double) (map[i]-low))*MaxRGB)/Max(high-low,1)); free((char *) map); /* Stretch the histogram. */ switch (image->class) { case DirectClass: { /* Equalize DirectClass packets. */ p=image->pixels; for (i=0; i < image->packets; i++) { p->red=equalize_map[p->red]; p->green=equalize_map[p->green]; p->blue=equalize_map[p->blue]; p++; } break; } case PseudoClass: { /* Equalize PseudoClass packets. */ for (i=0; i < image->colors; i++) { image->colormap[i].red=equalize_map[image->colormap[i].red]; image->colormap[i].green=equalize_map[image->colormap[i].green]; image->colormap[i].blue=equalize_map[image->colormap[i].blue]; } SyncImage(image); break; } } free((char *) equalize_map); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % F l i p I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function FlipImage creates a new image that reflects each scanline in the % vertical direction It allocates the memory necessary for the new Image % structure and returns a pointer to the new image. % % The format of the FlipImage routine is: % % flipped_image=FlipImage(image) % % A description of each parameter follows: % % o flipped_image: Function FlipImage returns a pointer to the image % after reflecting. A null image is returned if there is a memory % shortage. % % o image: The address of a structure of type Image. % % */ Image *FlipImage(image) Image *image; { Image *flipped_image; register RunlengthPacket *p, *q, *s; register unsigned int x, y; RunlengthPacket *scanline; /* Initialize flipped image attributes. */ flipped_image=CopyImage(image,image->columns,image->rows,False); if (flipped_image == (Image *) NULL) { Warning("Unable to flip image","Memory allocation failed"); return((Image *) NULL); } /* Allocate scan line buffer and column offset buffers. */ scanline=(RunlengthPacket *) malloc(image->columns*sizeof(RunlengthPacket)); if (scanline == (RunlengthPacket *) NULL) { Warning("Unable to reflect image","Memory allocation failed"); DestroyImage(flipped_image); return((Image *) NULL); } /* Flip each row. */ p=image->pixels; image->runlength=p->length+1; q=flipped_image->pixels+flipped_image->packets-1; for (y=0; y < flipped_image->rows; y++) { /* Read a scan line. */ s=scanline; for (x=0; x < image->columns; x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *s=(*p); s++; } /* Flip each column. */ s=scanline+image->columns; for (x=0; x < flipped_image->columns; x++) { s--; *q=(*s); q->length=0; q--; } } free((char *) scanline); return(flipped_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % F l o p I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function FlopImage creates a new image that reflects each scanline in the % horizontal direction It allocates the memory necessary for the new Image % structure and returns a pointer to the new image. % % The format of the FlopImage routine is: % % flopped_image=FlopImage(image) % % A description of each parameter follows: % % o flopped_image: Function FlopImage returns a pointer to the image % after reflecting. A null image is returned if there is a memory % shortage. % % o image: The address of a structure of type Image. % % */ Image *FlopImage(image) Image *image; { Image *flopped_image; register RunlengthPacket *p, *q, *s; register unsigned int x, y; RunlengthPacket *scanline; /* Initialize flopped image attributes. */ flopped_image=CopyImage(image,image->columns,image->rows,False); if (flopped_image == (Image *) NULL) { Warning("Unable to reflect image","Memory allocation failed"); return((Image *) NULL); } /* Allocate scan line buffer and column offset buffers. */ scanline=(RunlengthPacket *) malloc(image->columns*sizeof(RunlengthPacket)); if (scanline == (RunlengthPacket *) NULL) { Warning("Unable to reflect image","Memory allocation failed"); DestroyImage(flopped_image); return((Image *) NULL); } /* Flop each row. */ p=image->pixels; image->runlength=p->length+1; q=flopped_image->pixels; for (y=0; y < flopped_image->rows; y++) { /* Read a scan line. */ s=scanline; for (x=0; x < image->columns; x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *s=(*p); s++; } /* Flop each column. */ s=scanline+image->columns; for (x=0; x < flopped_image->columns; x++) { s--; *q=(*s); q->length=0; q++; } } free((char *) scanline); return(flopped_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % F r a m e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function FrameImage takes an image and puts a frame around it of a % particular color. It allocates the memory necessary for the new Image % structure and returns a pointer to the new image. % % The format of the FrameImage routine is: % % framed_image=FrameImage(image,frame_info) % % A description of each parameter follows: % % o framed_image: Function FrameImage returns a pointer to the framed % image. A null image is returned if there is a a memory shortage. % % o image: The address of a structure of type Image. % % o frame_info: Specifies a pointer to a FrameInfo structure which % defines the framed region. % % */ Image *FrameImage(image,frame_info) Image *image; FrameInfo *frame_info; { Image *framed_image; int height, width; register int x, y; register RunlengthPacket *p, *q; RunlengthPacket highlight, matte, shadow; unsigned int bevel_width; /* Check frame geometry. */ if ((frame_info->outer_bevel < 0) || (frame_info->inner_bevel < 0)) { Warning("Unable to frame image","bevel width is negative"); return((Image *) NULL); } bevel_width=frame_info->outer_bevel+frame_info->inner_bevel; width=(int) frame_info->width-frame_info->x-bevel_width; height=(int) frame_info->height-frame_info->y-bevel_width; if ((width < image->columns) || (height < image->rows)) { Warning("Unable to frame image","frame is less than image size"); return((Image *) NULL); } /* Initialize framed image attributes. */ framed_image=CopyImage(image,frame_info->width,frame_info->height,False); if (framed_image == (Image *) NULL) { Warning("Unable to frame image","Memory allocation failed"); return((Image *) NULL); } image->class=DirectClass; matte.red=frame_info->matte_color.red; matte.green=frame_info->matte_color.green; matte.blue=frame_info->matte_color.blue; matte.index=Opaque; matte.length=0; highlight.red=frame_info->highlight_color.red; highlight.green=frame_info->highlight_color.green; highlight.blue=frame_info->highlight_color.blue; highlight.index=Opaque; highlight.length=0; shadow.red=frame_info->shadow_color.red; shadow.green=frame_info->shadow_color.green; shadow.blue=frame_info->shadow_color.blue; shadow.index=Opaque; shadow.length=0; /* Put an ornamental border around the image. */ q=framed_image->pixels; for (y=0; y < frame_info->outer_bevel; y++) { for (x=0; x < (framed_image->columns-y); x++) *q++=highlight; for ( ; x < framed_image->columns; x++) *q++=shadow; } for (y=0; y < (frame_info->y-bevel_width); y++) { for (x=0; x < frame_info->outer_bevel; x++) *q++=highlight; for (x=0; x < (framed_image->columns-(frame_info->outer_bevel << 1)); x++) *q++=matte; for (x=0; x < frame_info->outer_bevel; x++) *q++=shadow; } for (y=0; y < frame_info->inner_bevel; y++) { for (x=0; x < frame_info->outer_bevel; x++) *q++=highlight; for (x=0; x < (frame_info->x-bevel_width); x++) *q++=matte; for (x=0; x < (image->columns+(frame_info->inner_bevel << 1)-y); x++) *q++=shadow; for ( ; x < (image->columns+(frame_info->inner_bevel << 1)); x++) *q++=highlight; width=frame_info->width-frame_info->x-image->columns-bevel_width; for (x=0; x < width; x++) *q++=matte; for (x=0; x < frame_info->outer_bevel; x++) *q++=shadow; } p=image->pixels; image->runlength=p->length+1; for (y=0; y < image->rows; y++) { /* Initialize scanline with border color. */ for (x=0; x < frame_info->outer_bevel; x++) *q++=highlight; for (x=0; x < (frame_info->x-bevel_width); x++) *q++=matte; for (x=0; x < frame_info->inner_bevel; x++) *q++=shadow; /* Transfer scanline. */ for (x=0; x < image->columns; x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *q=(*p); q->length=0; q++; } for (x=0; x < frame_info->inner_bevel; x++) *q++=highlight; width=frame_info->width-frame_info->x-image->columns-bevel_width; for (x=0; x < width; x++) *q++=matte; for (x=0; x < frame_info->outer_bevel; x++) *q++=shadow; } for (y=frame_info->inner_bevel-1; y >= 0; y--) { for (x=0; x < frame_info->outer_bevel; x++) *q++=highlight; for (x=0; x < (frame_info->x-bevel_width); x++) *q++=matte; for (x=0; x < y; x++) *q++=shadow; for ( ; x < (image->columns+(frame_info->inner_bevel << 1)); x++) *q++=highlight; width=frame_info->width-frame_info->x-image->columns-bevel_width; for (x=0; x < width; x++) *q++=matte; for (x=0; x < frame_info->outer_bevel; x++) *q++=shadow; } height=frame_info->height-frame_info->y-image->rows-bevel_width; for (y=0; y < height; y++) { for (x=0; x < frame_info->outer_bevel; x++) *q++=highlight; for (x=0; x < (framed_image->columns-(frame_info->outer_bevel << 1)); x++) *q++=matte; for (x=0; x < frame_info->outer_bevel; x++) *q++=shadow; } for (y=frame_info->outer_bevel-1; y >= 0; y--) { for (x=0; x < y; x++) *q++=highlight; for ( ; x < framed_image->columns; x++) *q++=shadow; } return(framed_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % G a m m a I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function GammaImage converts the reference image to gamma corrected colors. % % The format of the GammaImage routine is: % % GammaImage(image,gamma) % % A description of each parameter follows: % % o image: The address of a structure of type Image; returned from % ReadImage. % % o gamma: A character string indicating the level of gamma correction. % % */ void GammaImage(image,gamma) Image *image; char *gamma; { ColorPacket *gamma_map; double blue_gamma, green_gamma, red_gamma; int count; register int i; register RunlengthPacket *p; /* Allocate and initialize gamma maps. */ gamma_map=(ColorPacket *) malloc((MaxRGB+1)*sizeof(ColorPacket)); if (gamma_map == (ColorPacket *) NULL) { Warning("Unable to gamma image","Memory allocation failed"); return; } for (i=0; i <= MaxRGB; i++) { gamma_map[i].red=0; gamma_map[i].green=0; gamma_map[i].blue=0; } /* Initialize gamma table. */ red_gamma=1.0; green_gamma=1.0; blue_gamma=1.0; count=sscanf(gamma,"%lf,%lf,%lf",&red_gamma,&green_gamma,&blue_gamma); if (count == 1) { green_gamma=red_gamma; blue_gamma=red_gamma; } for (i=0; i <= MaxRGB; i++) { if (red_gamma != 0.0) gamma_map[i].red=(Quantum) ((pow((double) i/MaxRGB,1.0/red_gamma)*MaxRGB)+0.5); if (green_gamma != 0.0) gamma_map[i].green=(Quantum) ((pow((double) i/MaxRGB,1.0/green_gamma)*MaxRGB)+0.5); if (blue_gamma != 0.0) gamma_map[i].blue=(Quantum) ((pow((double) i/MaxRGB,1.0/blue_gamma)*MaxRGB)+0.5); } switch (image->class) { case DirectClass: { /* Gamma-correct DirectClass image. */ p=image->pixels; for (i=0; i < image->packets; i++) { p->red=gamma_map[p->red].red; p->green=gamma_map[p->green].green; p->blue=gamma_map[p->blue].blue; p++; } break; } case PseudoClass: { /* Gamma-correct PseudoClass image. */ for (i=0; i < image->colors; i++) { image->colormap[i].red=gamma_map[image->colormap[i].red].red; image->colormap[i].green=gamma_map[image->colormap[i].green].blue; image->colormap[i].blue=gamma_map[image->colormap[i].blue].green; } SyncImage(image); break; } } free((char *) gamma_map); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % G e t A n n o t a t e I n f o % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function GetAnnotateInfo initializes the AnnotateInfo structure. % % The format of the GetAnnotateInfo routine is: % % GetAnnotateInfo(annotate_info) % % A description of each parameter follows: % % o annotate_info: Specifies a pointer to a AnnotateInfo structure. % % */ void GetAnnotateInfo(annotate_info) AnnotateInfo *annotate_info; { annotate_info->server_name=(char *) NULL; annotate_info->font=(char *) NULL; annotate_info->pointsize=DefaultPointSize; annotate_info->pen=(char *) NULL; annotate_info->geometry=(char *) NULL; annotate_info->center=False; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % G e t I m a g e I n f o % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function GetImageInfo initializes the ImageInfo structure. % % The format of the GetImageInfo routine is: % % GetImageInfo(image_info) % % A description of each parameter follows: % % o image_info: Specifies a pointer to a ImageInfo structure. % % */ void GetImageInfo(image_info) ImageInfo *image_info; { *image_info->magick='\0'; image_info->filename=(char *) malloc(MaxTextLength); if (image_info->filename == (char *) NULL) Error("Unable to get image info","Memory allocation failed"); *image_info->filename='\0'; image_info->assert=False; image_info->subimage=0; image_info->subrange=0; image_info->server_name=(char *) NULL; image_info->font=(char *) NULL; image_info->size=(char *) NULL; image_info->density=(char *) NULL; image_info->page=(char *) NULL; image_info->dither=True; image_info->interlace=NoneInterlace; image_info->monochrome=False; image_info->quality=75; image_info->verbose=False; image_info->undercolor=(char *) NULL; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % I s G r a y I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function IsGrayImage returns True if the image is grayscale otherwise % False is returned. If the image is DirectClass and grayscale, it is demoted % to PseudoClass. % % The format of the IsGrayImage routine is: % % status=IsGrayImage(image) % % A description of each parameter follows: % % o status: Function IsGrayImage returns True if the image is grayscale % otherwise False is returned. % % o image: The address of a structure of type Image; returned from % ReadImage. % % */ unsigned int IsGrayImage(image) Image *image; { register int i; unsigned int grayscale; /* Determine if image is grayscale. */ grayscale=True; switch (image->class) { case DirectClass: { register RunlengthPacket *p; if (image->matte) return(False); p=image->pixels; for (i=0; i < image->packets; i++) { if ((p->red != p->green) || (p->green != p->blue)) { grayscale=False; break; } p++; } if (grayscale) { QuantizeImage(image,1 << QuantumDepth,8,False,GRAYColorspace); SyncImage(image); } break; } case PseudoClass: { for (i=0; i < image->colors; i++) if ((image->colormap[i].red != image->colormap[i].green) || (image->colormap[i].green != image->colormap[i].blue)) { grayscale=False; break; } break; } } return(grayscale); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % L a b e l I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function LabelImage initializes an image label. Optionally the label % can include the image filename, type, width, height, or scene number by % embedding special format characters. Embed %f for filename, %m for % magick, %w for width, %h for height, or %s for scene number. For % example, % % %f %wx%h % % produces an image label of % % bird.miff 512x480 % % for an image titled bird.miff and whose width is 512 and height is 480. % % The format of the LabelImage routine is: % % LabelImage(image,label) % % A description of each parameter follows: % % o image: The address of a structure of type Image. % % o label: The address of a character string containing the label format. % % */ void LabelImage(image,label) Image *image; char *label; { register char *p, *q; unsigned int indirection, length; if (image->label != (char *) NULL) free((char *) image->label); image->label=(char *) NULL; if (label == (char *) NULL) return; indirection=(*label == '@'); if (indirection) { FILE *file; int c; /* Read label from a file. */ file=(FILE *) fopen(label+1,"r"); if (file == (FILE *) NULL) { Warning("Unable to read label file",label+1); return; } length=MaxTextLength; label=(char *) malloc(length); for (q=label ; label != (char *) NULL; q++) { c=fgetc(file); if (c == EOF) break; if ((q-label+1) >= length) { *q='\0'; length<<=1; label=(char *) realloc((char *) label,length); if (label == (char *) NULL) break; q=label+strlen(label); } *q=(unsigned char) c; } (void) fclose(file); if (label == (char *) NULL) { Warning("Unable to label image","Memory allocation failed"); return; } *q='\0'; } /* Allocate and initialize image label. */ p=label; length=strlen(label)+MaxTextLength; image->label=(char *) malloc(length); for (q=image->label; image->label != (char *) NULL; p++) { *q='\0'; if (*p == '\0') break; if ((q-image->label+MaxTextLength) >= length) { length<<=1; image->label=(char *) realloc((char *) image->label,length); if (image->label == (char *) NULL) break; q=image->label+strlen(image->label); } /* Process formatting characters in label. */ if ((*p == '\\') && (*(p+1) == 'n')) { *q++='\n'; p++; continue; } if (*p != '%') { *q++=(*p); continue; } p++; switch (*p) { case 'f': { register char *p; /* Label segment is the base of the filename. */ p=image->filename+strlen(image->filename)-1; while ((p > image->filename) && (*(p-1) != '/')) p--; (void) strcpy(q,p); q+=strlen(p); break; } case 'h': { (void) sprintf(q,"%u",image->magick_rows); q=image->label+strlen(image->label); break; } case 'm': { (void) strcpy(q,image->magick); q+=strlen(image->magick); break; } case 's': { (void) sprintf(q,"%u",image->scene); q=image->label+strlen(image->label); break; } case 'w': { (void) sprintf(q,"%u",image->magick_columns); q=image->label+strlen(image->label); break; } default: { *q++='%'; *q++=(*p); break; } } } if (image->label == (char *) NULL) { Warning("Unable to label image","Memory allocation failed"); return; } *q='\0'; if (indirection) free((char *) label); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % M o d u l a t e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ModulateImage modulates the hue, saturation, and brightness of an % image. % % The format of the ModulateImage routine is: % % ModulateImage(image,modulate) % % A description of each parameter follows: % % o image: The address of a structure of type Image; returned from % ReadImage. % % o modulate: A character string indicating the percent change in hue, % saturation, and brightness. % % % */ static void Modulate(percent_hue,percent_saturation,percent_brightness,red, green,blue) double percent_hue, percent_saturation, percent_brightness; Quantum *red, *green, *blue; { double brightness, hue, minimum, saturation; register double b, g, r; /* Convert RGB to HSV colorspace. */ hue=(-1.0); saturation=0.0; r=(double) (*red)/(double) MaxRGB; g=(double) (*green)/(double) MaxRGB; b=(double) (*blue)/(double) MaxRGB; if (r >= g) { if (r >= b) brightness=r; else brightness=b; } else if (g >= b) brightness=g; else brightness=b; if (r <= g) { if (r <= b) minimum=r; else minimum=b; } else if (g <= b) minimum=g; else minimum=b; if (brightness != 0.0) saturation=(brightness-minimum)/brightness; if (saturation != 0.0) { if (r == brightness) hue=(g-b)/(brightness-minimum); else if (g == brightness) hue=2.0+(b-r)/(brightness-minimum); else if (b == brightness) hue=4.0+(r-g)/(brightness-minimum); hue=hue*60.0; if (hue < 0.0) hue+=360.0; } /* Increase or decrease color brightness, saturation, or hue. */ brightness+=percent_brightness/100.0; if (brightness < 0.0) brightness=0.0; else if (brightness > 1.0) brightness=1.0; saturation+=percent_saturation/100.0; if (saturation < 0.0) saturation=0.0; else if (saturation > 1.0) saturation=1.0; if (hue != -1.0) { hue+=360.0*percent_hue/100.0; if (hue < 0.0) hue+=360.0; else if (hue > 360.0) hue-=360.0; } /* Convert HSV to RGB */ r=brightness; g=brightness; b=brightness; if ((hue != -1.0) && (saturation != 0.0)) { double f, j, k, l, v; int i; if (hue == 360.0) hue=0.0; hue=hue/60.0; i=floor(hue); if (i < 0) i=0; f=hue-i; j=brightness*(1.0-saturation); k=brightness*(1.0-(saturation*f)); l=brightness*(1.0-(saturation*(1.0-f))); v=brightness; switch (i) { case 0: r=v; g=l; b=j; break; case 1: r=k; g=v; b=j; break; case 2: r=j; g=v; b=l; break; case 3: r=j; g=k; b=v; break; case 4: r=l; g=j; b=v; break; case 5: r=v; g=j; b=k; break; } } *red=(Quantum) floor((r*(double) MaxRGB)+0.5); *green=(Quantum) floor((g*(double) MaxRGB)+0.5); *blue=(Quantum) floor((b*(double) MaxRGB)+0.5); } void ModulateImage(image,modulate) Image *image; char *modulate; { double percent_brightness, percent_hue, percent_saturation; register int i; register RunlengthPacket *p; /* Initialize gamma table. */ percent_hue=0.0; percent_brightness=0.0; percent_saturation=0.0; (void) sscanf(modulate,"%lf,%lf,%lf",&percent_brightness,&percent_saturation, &percent_hue); switch (image->class) { case DirectClass: { /* Modulate the color for a DirectClass image. */ p=image->pixels; for (i=0; i < image->packets; i++) { Modulate(percent_hue,percent_saturation,percent_brightness, &p->red,&p->green,&p->blue); p++; } break; } case PseudoClass: { /* Modulate the color for a PseudoClass image. */ for (i=0; i < image->colors; i++) Modulate(percent_hue,percent_saturation,percent_brightness, &image->colormap[i].red,&image->colormap[i].green, &image->colormap[i].blue); SyncImage(image); break; } } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % M o g r i f y I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function MogrifyImage applies image processing options to an image as % prescribed by command line options. % % The format of the MogrifyImage routine is: % % MogrifyImage(image_info,argc,argv,image) % % A description of each parameter follows: % % o image_info: Specifies a pointer to a ImageInfo structure. % % o argc: Specifies a pointer to an integer describing the number of % elements in the argument vector. % % o argv: Specifies a pointer to a text array containing the command line % arguments. % % o image: The address of a structure of type Image; returned from % ReadImage. % % */ void MogrifyImage(image_info,argc,argv,image) ImageInfo *image_info; int argc; char **argv; Image **image; { AnnotateInfo annotate_info; ColorPacket border_color, matte_color; char *option; int flags, x, y; register int i; unsigned int colorspace, number_colors, tree_depth; XColor color; if (*image == (Image *) NULL) return; /* Initialize routine variables. */ GetAnnotateInfo(&annotate_info); (void) XQueryColorDatabase(BorderColor,&color); border_color.red=XDownScale(color.red); border_color.green=XDownScale(color.green); border_color.blue=XDownScale(color.blue); border_color.index=0; (void) XQueryColorDatabase(MatteColor,&color); matte_color.red=XDownScale(color.red); matte_color.green=XDownScale(color.green); matte_color.blue=XDownScale(color.blue); number_colors=0; tree_depth=0; colorspace=RGBColorspace; if (image_info->monochrome) if (!IsGrayImage(*image) || ((*image)->colors != 2)) { number_colors=2; tree_depth=8; colorspace=GRAYColorspace; } /* Transmogrify the image. */ for (i=1; i < argc; i++) { option=argv[i]; if (((int) strlen(option) <= 1) || ((*option != '-') && (*option != '+'))) continue; if (strncmp("annotate",option+1,2) == 0) { annotate_info.text=argv[++i]; AnnotateImage(*image,&annotate_info); } if (strncmp("-blur",option,3) == 0) { double factor; Image *blurred_image; /* Blur an image. */ factor=atof(argv[++i]); blurred_image=BlurImage(*image,factor); if (blurred_image != (Image *) NULL) { DestroyImage(*image); *image=blurred_image; } } if (strcmp("-border",option) == 0) { Image *bordered_image; RectangleInfo border_info; /* Surround image with a border of solid color. */ border_info.width=0; border_info.height=0; flags=XParseGeometry(argv[++i],&border_info.x,&border_info.y, &border_info.width,&border_info.height); if ((flags & HeightValue) == 0) border_info.height=border_info.width; bordered_image=BorderImage(*image,&border_info,&border_color); if (bordered_image != (Image *) NULL) { DestroyImage(*image); bordered_image->class=DirectClass; *image=bordered_image; } } if (strncmp("-bordercolor",option,8) == 0) { XColor target_color; /* Determine RGB values of the border color. */ (void) XQueryColorDatabase(argv[++i],&target_color); border_color.red=XDownScale(target_color.red); border_color.green=XDownScale(target_color.green); border_color.blue=XDownScale(target_color.blue); } if (strncmp("colors",option+1,7) == 0) number_colors=atoi(argv[++i]); if (strncmp("-colorspace",option,8) == 0) { i++; option=argv[i]; if (Latin1Compare("gray",option) == 0) { colorspace=GRAYColorspace; if (number_colors == 0) number_colors=256; tree_depth=8; } if (Latin1Compare("ohta",option) == 0) colorspace=OHTAColorspace; if (Latin1Compare("rgb",option) == 0) colorspace=RGBColorspace; if (Latin1Compare("xyz",option) == 0) colorspace=XYZColorspace; if (Latin1Compare("ycbcr",option) == 0) colorspace=YCbCrColorspace; if (Latin1Compare("yiq",option) == 0) colorspace=YIQColorspace; if (Latin1Compare("ypbpr",option) == 0) colorspace=YPbPrColorspace; if (Latin1Compare("yuv",option) == 0) colorspace=YUVColorspace; } if (strncmp("comment",option+1,4) == 0) if (*option == '-') CommentImage(*image,argv[++i]); else CommentImage(*image,(char *) NULL); if (strncmp("compress",option+1,3) == 0) { (*image)->compression=NoCompression; if (*option == '-') { i++; if (Latin1Compare("runlengthencoded",argv[i]) == 0) (*image)->compression=RunlengthEncodedCompression; else if (Latin1Compare("qencoded",argv[i]) == 0) (*image)->compression=QEncodedCompression; } } if (strncmp("contrast",option+1,3) == 0) ContrastImage(*image,(unsigned int) (*option == '-')); if ((strncmp("-crop",option,3) == 0) || (strncmp("-clip",option,4) == 0)) TransformImage(image,argv[++i],(char *) NULL); if (strncmp("-despeckle",option,4) == 0) { Image *despeckled_image; /* Reduce the speckles within an image. */ despeckled_image=DespeckleImage(*image); if (despeckled_image != (Image *) NULL) { DestroyImage(*image); *image=despeckled_image; } } if (strncmp("-display",option,4) == 0) annotate_info.server_name=argv[++i]; if (strncmp("-edge",option,3) == 0) { Image *edged_image; /* Detect edges in the image. */ edged_image=EdgeImage(*image); if (edged_image != (Image *) NULL) { DestroyImage(*image); *image=edged_image; } } if (strncmp("-emboss",option,3) == 0) { Image *embossed_image; /* Emboss image. */ embossed_image=EmbossImage(*image); if (embossed_image != (Image *) NULL) { DestroyImage(*image); *image=embossed_image; } } if (strncmp("-enhance",option,3) == 0) { Image *enhanced_image; /* Enhance image. */ enhanced_image=EnhanceImage(*image); if (enhanced_image != (Image *) NULL) { DestroyImage(*image); *image=enhanced_image; } } if (strncmp("-equalize",option,3) == 0) EqualizeImage(*image); if (strncmp("-flip",option,4) == 0) { Image *flipped_image; /* Flip image scanlines. */ flipped_image=FlipImage(*image); if (flipped_image != (Image *) NULL) { DestroyImage(*image); *image=flipped_image; } } if (strncmp("-flop",option,4) == 0) { Image *flopped_image; /* Flop image scanlines. */ flopped_image=FlopImage(*image); if (flopped_image != (Image *) NULL) { DestroyImage(*image); *image=flopped_image; } } if (strncmp("-font",option,3) == 0) annotate_info.font=argv[++i]; if (strcmp("-frame",option) == 0) { Image *framed_image; FrameInfo frame_info; /* Surround image with an ornamental border. */ frame_info.width=0; frame_info.height=0; flags=XParseGeometry(argv[++i],&frame_info.outer_bevel, &frame_info.inner_bevel,&frame_info.width,&frame_info.height); if ((flags & HeightValue) == 0) frame_info.height=frame_info.width; if ((flags & XValue) == 0) frame_info.outer_bevel=(frame_info.width >> 2)+1; if ((flags & YValue) == 0) frame_info.inner_bevel=frame_info.outer_bevel; frame_info.x=frame_info.width; frame_info.y=frame_info.height; frame_info.width=(*image)->columns+(frame_info.width << 1); frame_info.height=(*image)->rows+(frame_info.height << 1); frame_info.matte_color=matte_color; frame_info.highlight_color.red=(matte_color.red*HighlightModulate+ (MaxRGB-HighlightModulate)*65535U)/MaxRGB; frame_info.highlight_color.green=(matte_color.green*HighlightModulate+ (MaxRGB-HighlightModulate)*65535U)/MaxRGB; frame_info.highlight_color.blue=(matte_color.blue*HighlightModulate+ (MaxRGB-HighlightModulate)*65535U)/MaxRGB; frame_info.shadow_color.red= (unsigned int) (matte_color.red*ShadowModulate)/MaxRGB; frame_info.shadow_color.green= (unsigned int) (matte_color.green*ShadowModulate)/MaxRGB; frame_info.shadow_color.blue= (unsigned int) (matte_color.blue*ShadowModulate)/MaxRGB; framed_image=FrameImage(*image,&frame_info); if (framed_image != (Image *) NULL) { DestroyImage(*image); framed_image->class=DirectClass; *image=framed_image; } } if (strncmp("-gamma",option,3) == 0) GammaImage(*image,argv[++i]); if (strncmp("-geometry",option,4) == 0) { TransformImage(image,(char *) NULL,argv[++i]); annotate_info.geometry=argv[i]; } if (strncmp("interlace",option+1,3) == 0) { image_info->interlace=NoneInterlace; if (*option == '-') { option=argv[++i]; if (Latin1Compare("none",option) == 0) image_info->interlace=NoneInterlace; if (Latin1Compare("line",option) == 0) image_info->interlace=LineInterlace; if (Latin1Compare("plane",option) == 0) image_info->interlace=PlaneInterlace; } } if (strncmp("label",option+1,2) == 0) if (*option == '-') LabelImage(*image,argv[++i]); else LabelImage(*image,(char *) NULL); if (strcmp("matte",option+1) == 0) (*image)->matte=(*option == '-'); if (strncmp("-mattecolor",option,7) == 0) { XColor target_color; /* Determine RGB values of the border color. */ (void) XQueryColorDatabase(argv[++i],&target_color); matte_color.red=XDownScale(target_color.red); matte_color.green=XDownScale(target_color.green); matte_color.blue=XDownScale(target_color.blue); } if (strncmp("-modulate",option,4) == 0) ModulateImage(*image,argv[++i]); if (strncmp("-negate",option,4) == 0) NegateImage(*image); if (strncmp("-noise",option,4) == 0) { Image *noisy_image; /* Reduce noise in image. */ noisy_image=NoisyImage(*image); if (noisy_image != (Image *) NULL) { DestroyImage(*image); *image=noisy_image; } } if (strncmp("-normalize",option,4) == 0) NormalizeImage(*image); if (strncmp("-opaque",option,3) == 0) OpaqueImage(*image,argv[++i],annotate_info.pen); if (strncmp("-paint",option,4) == 0) { Image *painted_image; /* Oil paint image. */ painted_image=OilPaintImage(*image); if (painted_image != (Image *) NULL) { DestroyImage(*image); *image=painted_image; } } if (strncmp("-pen",option,3) == 0) annotate_info.pen=argv[++i]; if (strncmp("-pointsize",option,3) == 0) annotate_info.pointsize=atoi(argv[++i]); if (strncmp("raise",option+1,2) == 0) RaiseImage(*image,*option == '-' ? 1 : -1,atoi(argv[++i])); if (strncmp("-roll",option,4) == 0) { Image *rolled_image; unsigned int height, width; /* Roll image. */ x=0; y=0; flags=XParseGeometry(argv[++i],&x,&y,&width,&height); rolled_image=RollImage(*image,x,y); if (rolled_image != (Image *) NULL) { DestroyImage(*image); *image=rolled_image; } } if (strncmp("-rotate",option,4) == 0) { double degrees; Image *rotated_image; /* Rotate image. */ degrees=atof(argv[++i]); rotated_image=RotateImage(*image,degrees,&border_color,False); if (rotated_image != (Image *) NULL) { DestroyImage(*image); *image=rotated_image; } } if (strncmp("-sample",option,3) == 0) { Image *sampled_image; unsigned int height, width; /* Sample image with pixel replication. */ width=(*image)->columns; height=(*image)->rows; ParseImageGeometry(argv[++i],&width,&height); sampled_image=SampleImage(*image,width,height); if (sampled_image != (Image *) NULL) { DestroyImage(*image); *image=sampled_image; } } if (strncmp("scene",option+1,3) == 0) (*image)->scene=atoi(argv[++i]); if (strncmp("-sharpen",option,4) == 0) { double factor; Image *sharpened_image; /* Sharpen an image. */ factor=atof(argv[++i]); sharpened_image=SharpenImage(*image,factor); if (sharpened_image != (Image *) NULL) { DestroyImage(*image); *image=sharpened_image; } } if (strncmp("-shear",option,4) == 0) { float x_shear, y_shear; Image *sheared_image; /* Shear image. */ x_shear=0.0; y_shear=0.0; (void) sscanf(argv[++i],"%fx%f",&x_shear,&y_shear); sheared_image=ShearImage(*image,(double) x_shear, (double) y_shear,&border_color,False); if (sheared_image != (Image *) NULL) { DestroyImage(*image); sheared_image->class=DirectClass; *image=sheared_image; } } if (strncmp("-transparency",option,4) == 0) TransparentImage(*image,argv[++i]); if (strncmp("-treedepth",option,4) == 0) tree_depth=atoi(argv[++i]); } if (number_colors != 0) { /* Reduce the number of colors in the image. */ if (((*image)->class == DirectClass) || ((*image)->colors > number_colors) || (colorspace == GRAYColorspace)) QuantizeImage(*image,number_colors,tree_depth,image_info->dither, colorspace); /* Measure quantization error. */ if (image_info->verbose) QuantizationError(*image); SyncImage(*image); } if ((*image)->packets == ((*image)->columns*(*image)->rows)) CompressImage(*image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % N e g a t e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function NegateImage negates the colors in the reference image. % % The format of the NegateImage routine is: % % NegateImage(image) % % A description of each parameter follows: % % o image: The address of a structure of type Image; returned from % ReadImage. % % */ void NegateImage(image) Image *image; { register int i; register RunlengthPacket *p; switch (image->class) { case DirectClass: { /* Negate DirectClass packets. */ p=image->pixels; for (i=0; i < image->packets; i++) { p->red=(~p->red); p->green=(~p->green); p->blue=(~p->blue); p++; } break; } case PseudoClass: { /* Negate PseudoClass packets. */ for (i=0; i < image->colors; i++) { image->colormap[i].red=(~image->colormap[i].red); image->colormap[i].green=(~image->colormap[i].green); image->colormap[i].blue=(~image->colormap[i].blue); } SyncImage(image); break; } } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % N o i s y I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function NoisyImage creates a new image that is a copy of an existing % one with the noise reduced with a noise peak elimination filter. It % allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % The principal function of noise peak elimination filter is to smooth the % objects within an image without losing edge information and without % creating undesired structures. The central idea of the algorithm is to % replace a pixel with its next neighbor in value within a 3 x 3 window, % if this pixel has been found to be noise. A pixel is defined as noise % if and only if this pixel is a maximum or minimum within the 3 x 3 % window. % % The format of the NoisyImage routine is: % % noisy_image=NoisyImage(image) % % A description of each parameter follows: % % o noisy_image: Function NoisyImage returns a pointer to the image after % the noise is reduced. A null image is returned if there is a memory % shortage. % % o image: The address of a structure of type Image; returned from % ReadImage. % % */ static int NoisyCompare(x,y) const void *x, *y; { ColorPacket *color_1, *color_2; color_1=(ColorPacket *) x; color_2=(ColorPacket *) y; return((int) Intensity(*color_1)-(int) Intensity(*color_2)); } Image *NoisyImage(image) Image *image; { Image *noisy_image; int i; register RunlengthPacket *p, *q, *s, *s0, *s1, *s2; register unsigned int x; RunlengthPacket pixel, *scanline, window[9]; unsigned int y; if ((image->columns < 3) || (image->rows < 3)) { Warning("Unable to reduce noise","the image size must exceed 2x2"); return((Image *) NULL); } /* Initialize noisy image attributes. */ noisy_image=CopyImage(image,image->columns,image->rows,False); if (noisy_image == (Image *) NULL) { Warning("Unable to reduce noise","Memory allocation failed"); return((Image *) NULL); } /* Allocate scanline buffer for 3 rows of the image. */ scanline=(RunlengthPacket *) malloc(3*image->columns*sizeof(RunlengthPacket)); if (scanline == (RunlengthPacket *) NULL) { Warning("Unable to reduce noise","Memory allocation failed"); DestroyImage(noisy_image); return((Image *) NULL); } /* Preload the first 2 rows of the image. */ p=image->pixels; image->runlength=p->length+1; s=scanline; for (x=0; x < (image->columns << 1); x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *s=(*p); s++; } /* Dump first scanline of image. */ q=noisy_image->pixels; s=scanline; for (x=0; x < image->columns; x++) { *q=(*s); q->length=0; q++; s++; } /* Reduce noise in each row. */ for (y=1; y < (image->rows-1); y++) { /* Initialize sliding window pointers. */ s0=scanline+image->columns*((y-1) % 3); s1=scanline+image->columns*(y % 3); s2=scanline+image->columns*((y+1) % 3); /* Read another scan line. */ s=s2; for (x=0; x < image->columns; x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *s=(*p); s++; } /* Transfer first pixel of the scanline. */ s=s1; *q=(*s); q->length=0; q++; for (x=1; x < (image->columns-1); x++) { /* Sort window pixels by increasing intensity. */ s=s0; window[0]=(*s++); window[1]=(*s++); window[2]=(*s++); s=s1; window[3]=(*s++); window[4]=(*s++); window[5]=(*s++); s=s2; window[6]=(*s++); window[7]=(*s++); window[8]=(*s++); pixel=window[4]; qsort((void *) window,9,sizeof(RunlengthPacket), (int (*) _Declare((const void *, const void *))) NoisyCompare); if (Intensity(pixel) == Intensity(window[0])) { /* Pixel is minimum noise; replace with next neighbor in value. */ for (i=1; i < 8; i++) if (Intensity(window[i]) != Intensity(window[0])) break; pixel=window[i]; } else if (Intensity(pixel) == Intensity(window[8])) { /* Pixel is maximum noise; replace with next neighbor in value. */ for (i=7; i > 0; i--) if (Intensity(window[i]) != Intensity(window[8])) break; pixel=window[i]; } *q=pixel; q->length=0; q++; s0++; s1++; s2++; } /* Transfer last pixel of the scanline. */ s=s1; *q=(*s); q->length=0; q++; } /* Dump last scanline of pixels. */ s=scanline+image->columns*(y % 3); for (x=0; x < image->columns; x++) { *q=(*s); q->length=0; q++; s++; } free((char *) scanline); return(noisy_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % N o r m a l i z e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function NormalizeImage normalizes the pixel values to span the full % range of color values. This is a contrast enhancement technique. % % The format of the NormalizeImage routine is: % % NormalizeImage(image) % % A description of each parameter follows: % % o image: The address of a structure of type Image; returned from % ReadImage. % % */ void NormalizeImage(image) Image *image; { int histogram[MaxRGB+1], threshold_intensity; Quantum gray_value, normalize_map[MaxRGB+1]; register int i, intensity; register RunlengthPacket *p; unsigned int high, low; /* Form histogram. */ for (i=0; i <= MaxRGB; i++) histogram[i]=0; p=image->pixels; for (i=0; i < image->packets; i++) { gray_value=Intensity(*p); histogram[gray_value]+=p->length+1; p++; } /* Find the histogram boundaries by locating the 1 percent levels. */ threshold_intensity=(image->columns*image->rows)/100; intensity=0; for (low=0; low < MaxRGB; low++) { intensity+=histogram[low]; if (intensity > threshold_intensity) break; } intensity=0; for (high=MaxRGB; high != 0; high--) { intensity+=histogram[high]; if (intensity > threshold_intensity) break; } if (low == high) { /* Unreasonable contrast; use zero threshold to determine boundaries. */ threshold_intensity=0; intensity=0; for (low=0; low < MaxRGB; low++) { intensity+=histogram[low]; if (intensity > threshold_intensity) break; } intensity=0; for (high=MaxRGB; high != 0; high--) { intensity+=histogram[high]; if (intensity > threshold_intensity) break; } if (low == high) return; /* zero span bound */ } /* Stretch the histogram to create the normalized image mapping. */ for (i=0; i <= MaxRGB; i++) if (i < (int) low) normalize_map[i]=0; else if (i > (int) high) normalize_map[i]=MaxRGB-1; else normalize_map[i]=(MaxRGB-1)*(i-low)/(high-low); /* Normalize the image. */ switch (image->class) { case DirectClass: { /* Normalize DirectClass image. */ p=image->pixels; for (i=0; i < image->packets; i++) { p->red=normalize_map[p->red]; p->green=normalize_map[p->green]; p->blue=normalize_map[p->blue]; p++; } break; } case PseudoClass: { /* Normalize PseudoClass image. */ for (i=0; i < image->colors; i++) { image->colormap[i].red=normalize_map[image->colormap[i].red]; image->colormap[i].green=normalize_map[image->colormap[i].green]; image->colormap[i].blue=normalize_map[image->colormap[i].blue]; } SyncImage(image); break; } } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % O p a g u e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function OpaqueImage changes the color of an opaque pixel to the pen color. % % The format of the OpaqueImage routine is: % % OpaqueImage(image,opaque_color,pen_color) % % A description of each parameter follows: % % o image: The address of a structure of type Image; returned from % ReadImage. % % o opaque_color, % pen_color: A character string that contain an X11 color string. % % */ void OpaqueImage(image,opaque_color,pen_color) Image *image; char *opaque_color, *pen_color; { #define DeltaX 16 Quantum blue, green, red; register int i; register RunlengthPacket *p; unsigned int status; XColor target_color; /* Determine RGB values of the opaque color. */ status=XQueryColorDatabase(opaque_color,&target_color); if (status == False) return; red=XDownScale(target_color.red); green=XDownScale(target_color.green); blue=XDownScale(target_color.blue); status=XQueryColorDatabase(pen_color,&target_color); if (status == False) return; /* Make image color opaque. */ p=image->pixels; switch (image->class) { case DirectClass: { /* Make DirectClass image opaque. */ for (i=0; i < image->packets; i++) { if (((int) p->red < (int) (red+DeltaX)) && ((int) p->red > (int) (red-DeltaX)) && ((int) p->green < (int) (green+DeltaX)) && ((int) p->green > (int) (green-DeltaX)) && ((int) p->blue < (int) (blue+DeltaX)) && ((int) p->blue > (int) (blue-DeltaX))) { p->red=XDownScale(target_color.red); p->green=XDownScale(target_color.green); p->blue=XDownScale(target_color.blue); } p++; } break; } case PseudoClass: { double distance_squared, min_distance; int distance; register int index; /* Find closest color. */ min_distance=3.0*(MaxRGB+1)*(MaxRGB+1); index=0; for (i=0; i < image->colors; i++) { distance=(int) red-(int) image->colormap[i].red; distance_squared=(unsigned int) (distance*distance); distance=(int) green-(int) image->colormap[i].green; distance_squared+=(unsigned int) (distance*distance); distance=(int) blue-(int) image->colormap[i].blue; distance_squared+=(unsigned int) (distance*distance); if (distance_squared < min_distance) { min_distance=distance_squared; index=i; } } /* Make PseudoClass image opaque. */ image->colormap[index].red=XDownScale(target_color.red); image->colormap[index].green=XDownScale(target_color.green); image->colormap[index].blue=XDownScale(target_color.blue); break; } } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % O p e n I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function OpenImage open a file associated with the image. A file name of % '-' sets the file to stdin for type 'r' and stdout for type 'w'. If the % filename suffix is '.gz' or '.Z', the image is decompressed for type 'r' % and compressed for type 'w'. If the filename prefix is '|', it is piped % to or from a system command. % % The format of the OpenImage routine is: % % OpenImage(image,type) % % A description of each parameter follows: % % o image: The address of a structure of type Image. % % o type: 'r' for reading; 'w' for writing. % */ void OpenImage(image,type) Image *image; char *type; { char filename[MaxTextLength]; (void) strcpy(filename,image->filename); if (*filename != '|') if (((int) strlen(filename) > 3) && (strcmp(filename+strlen(filename)-3,".gz") == 0)) { /* Uncompress/compress image file with GNU compress utilities. */ if (*type == 'r') (void) sprintf(filename,"|gunzip -f -c %s",image->filename); else (void) sprintf(filename,"|gzip -f -c > %s",image->filename); } else if (((int) strlen(filename) > 2) && (strcmp(filename+strlen(filename)-2,".Z") == 0)) { /* Uncompress/compress image file with UNIX compress utilities. */ if (*type == 'r') (void) sprintf(filename,"|uncompress -c %s",image->filename); else (void) sprintf(filename,"|compress -c > %s",image->filename); } /* Open image file. */ image->pipe=False; if (strcmp(filename,"-") == 0) image->file=(*type == 'r') ? stdin : stdout; else if (*filename != '|') { if (*type == 'w') if ((image->previous != (Image *) NULL) || (image->next != (Image *) NULL)) { /* Form filename for multi-part images. */ (void) sprintf(filename,image->filename,image->scene); if (strcmp(filename,image->filename) == 0) (void) sprintf(filename,"%s.%u",image->filename,image->scene); if (image->next != (Image *) NULL) (void) strcpy(image->next->magick,image->magick); (void) strcpy(image->filename,filename); } image->file=(FILE *) fopen(filename,type); if (image->file != (FILE *) NULL) { (void) fseek(image->file,0L,2); image->filesize=ftell(image->file); (void) fseek(image->file,0L,0); } } else { /* Pipe image to or from a system command. */ if (*type == 'w') (void) signal(SIGPIPE,SIG_IGN); image->file=(FILE *) popen(filename+1,type); image->pipe=True; } image->status=False; if (*type == 'r') { image->next=(Image *) NULL; image->previous=(Image *) NULL; } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % P a r s e I m a g e G e o m e t r y % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ParseImageGeometry parse a geometry specification and returns the % width and height values. % % The format of the ParseImageGeometry routine is: % % ParseImageGeometry(image_geometry,width,height) % % A description of each parameter follows: % % o image_geometry: Specifies a character string representing the geometry % specification. % % o width: A pointer to an unsigned integer. The width as determined by % the geometry specification is returned here. % % o height: A pointer to an unsigned integer. The height as determined by % the geometry specification is returned here. % % */ void ParseImageGeometry(image_geometry,width,height) char *image_geometry; unsigned int *width, *height; { char geometry[MaxTextLength]; int flags, x, y; register char *p; unsigned int aspect_ratio, former_height, former_width, greater, less, percentage; unsigned long scale_factor; if (image_geometry == (char *) NULL) return; /* Remove whitespaces and % and ! characters from geometry specification. */ (void) strcpy(geometry,image_geometry); aspect_ratio=True; greater=False; less=False; percentage=False; p=geometry; while ((int) strlen(p) > 0) { if (isspace(*p)) (void) strcpy(p,p+1); else switch (*p) { case '%': { percentage=True; (void) strcpy(p,p+1); break; } case '!': { aspect_ratio=False; (void) strcpy(p,p+1); break; } case '<': { less=True; (void) strcpy(p,p+1); break; } case '>': { greater=True; (void) strcpy(p,p+1); break; } default: p++; } } /* Parse geometry using XParseGeometry. */ former_width=(*width); former_height=(*height); flags=XParseGeometry(geometry,&x,&y,width,height); if (((flags & WidthValue) != 0) && (flags & HeightValue) == 0) *height=(*width); if (percentage) { /* Geometry is a percentage of the image size. */ *width=(former_width*(*width))/100; *height=(former_height*(*height))/100; former_width=(*width); former_height=(*height); } if (aspect_ratio) { /* Respect aspect ratio of the image. */ scale_factor=UpShift(*width)/former_width; if (scale_factor > (UpShift(*height)/former_height)) scale_factor=UpShift(*height)/former_height; *width=DownShift(former_width*scale_factor); *height=DownShift(former_height*scale_factor); } if (greater) if ((former_width < *width) && (former_height < *height)) { *width=former_width; *height=former_height; } if (less) if ((former_width > *width) && (former_height > *height)) { *width=former_width; *height=former_height; } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % O i l P a i n t I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function OilPaintImage creates a new image that is a copy of an existing % one with each pixel component replaced with the color of greatest number in % a 5x5 neighborhood. % % The format of the OilPaintImage routine is: % % painted_image=OilPaintImage(image) % % A description of each parameter follows: % % o painted_image: Function OilPaintImage returns a pointer to the image % after it is `painted'. A null image is returned if there is a memory % shortage. % % o image: The address of a structure of type Image; returned from % ReadImage. % % */ Image *OilPaintImage(image) Image *image; { Image *painted_image; int count; register int i, j; register RunlengthPacket *p, *q, *s, *s0, *s1, *s2, *s3, *s4; register unsigned int x; RunlengthPacket pixel, *scanline, window[25]; unsigned int *histogram, y; if ((image->columns < 5) || (image->rows < 5)) { Warning("Unable to oil paint","the image size must exceed 4x4"); return((Image *) NULL); } /* Initialize painted image attributes. */ painted_image=CopyImage(image,image->columns,image->rows,False); if (painted_image == (Image *) NULL) { Warning("Unable to oil paint","Memory allocation failed"); return((Image *) NULL); } painted_image->class=DirectClass; /* Allocate histogram and scanline. */ histogram=(unsigned int *) malloc((MaxRGB+1)*sizeof(unsigned int)); scanline=(RunlengthPacket *) malloc(5*image->columns*sizeof(RunlengthPacket)); if ((histogram == (unsigned int *) NULL) || (scanline == (RunlengthPacket *) NULL)) { Warning("Unable to oil paint","Memory allocation failed"); DestroyImage(painted_image); return((Image *) NULL); } /* Preload the first 4 rows of the image. */ p=image->pixels; image->runlength=p->length+1; s=scanline; for (x=0; x < (image->columns << 2); x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *s=(*p); s++; } /* Dump first scanline of image. */ q=painted_image->pixels; s=scanline; for (x=0; x < (image->columns << 1); x++) { *q=(*s); q->length=0; q++; s++; } /* Paint each row of the image. */ for (y=2; y < (image->rows-2); y++) { /* Initialize sliding window pointers. */ s0=scanline+image->columns*((y-2) % 5); s1=scanline+image->columns*((y-1) % 5); s2=scanline+image->columns*(y % 5); s3=scanline+image->columns*((y+1) % 5); s4=scanline+image->columns*((y+2) % 5); /* Read another scan line. */ s=s4; for (x=0; x < image->columns; x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *s=(*p); s++; } /* Transfer first pixel of the scanline. */ s=s2; *q=(*s++); q->length=0; q++; *q=(*s++); q->length=0; q++; for (x=2; x < (image->columns-2); x++) { /* Note each pixel in a 5x5 neighborhood. */ s=s0; window[0]=(*s++); window[1]=(*s++); window[2]=(*s++); window[3]=(*s++); window[4]=(*s++); s=s1; window[5]=(*s++); window[6]=(*s++); window[7]=(*s++); window[8]=(*s++); window[9]=(*s++); s=s2; window[10]=(*s++); window[11]=(*s++); window[12]=(*s++); window[13]=(*s++); window[14]=(*s++); s=s3; window[15]=(*s++); window[16]=(*s++); window[17]=(*s++); window[18]=(*s++); window[19]=(*s++); s=s4; window[20]=(*s++); window[21]=(*s++); window[22]=(*s++); window[23]=(*s++); window[24]=(*s++); /* Determine most frequent color. */ count=0; for (i=0; i < (MaxRGB+1); i++) histogram[i]=0; for (i=0; i < 25; i++) { j=Intensity(window[i]) >> 2; histogram[j]++; j=histogram[j]; if (j > count) { pixel=window[i]; count=j; } } *q=pixel; q->length=0; q++; s0++; s1++; s2++; s3++; s4++; } /* Transfer last pixel of the scanline. */ s=s2; *q=(*s++); q->length=0; q++; *q=(*s++); q->length=0; q++; } /* Dump last scanline of pixels. */ s=scanline+image->columns*(y % 5); for (x=0; x < (image->columns << 1); x++) { *q=(*s); q->length=0; q++; s++; } free((char *) histogram); free((char *) scanline); return(painted_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R a i s e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function RaiseImage lightens and darkens the edges of an image to give a % 3-D raised or lower effect. % % The format of the RaiseImage routine is: % % RaiseImage(image,raised,bevel_width) % % A description of each parameter follows: % % o image: The address of a structure of type Image. % % o raised: A value other than zero causes the image to have a 3-D raised % effect, otherwise it has a lowered effect. % % o bevel_width: This unsigned integer defines the width of the 3-D effect. % % */ void RaiseImage(image,raised,bevel_width) Image *image; int raised; unsigned int bevel_width; { #define HighlightLeft UpScale(160) #define HighlightTop UpScale(180) #define ShadowRight UpScale(180) #define ShadowBottom UpScale(160) Quantum foreground, background; register int x, y; register RunlengthPacket *p; if ((image->columns < (bevel_width << 1)) && (image->rows < (bevel_width << 1))) { Warning("Unable to raise image","image size must exceed bevel width"); return; } if (!UncompressImage(image)) return; foreground=MaxRGB; background=0; if (!raised) { foreground=0; background=MaxRGB; } image->class=DirectClass; p=image->pixels; for (y=0; y < bevel_width; y++) { for (x=0; x < y; x++) { p->red=(unsigned int) (p->red*HighlightLeft+foreground*(MaxRGB-HighlightLeft))/MaxRGB; p->green=(unsigned int) (p->green*HighlightLeft+foreground*(MaxRGB-HighlightLeft))/MaxRGB; p->blue=(unsigned int) (p->blue*HighlightLeft+foreground*(MaxRGB-HighlightLeft))/MaxRGB; p++; } for (x=0; x < (image->columns-(y << 1)); x++) { p->red=(unsigned int) (p->red*HighlightTop+foreground*(MaxRGB-HighlightTop))/MaxRGB; p->green=(unsigned int) (p->green*HighlightTop+foreground*(MaxRGB-HighlightTop))/MaxRGB; p->blue=(unsigned int) (p->blue*HighlightTop+foreground*(MaxRGB-HighlightTop))/MaxRGB; p++; } for (x=0; x < y; x++) { p->red=(unsigned int) (p->red*ShadowRight+background*(MaxRGB-ShadowRight))/MaxRGB; p->green=(unsigned int) (p->green*ShadowRight+background*(MaxRGB-ShadowRight))/MaxRGB; p->blue=(unsigned int) (p->blue*ShadowRight+background*(MaxRGB-ShadowRight))/MaxRGB; p++; } } for (y=0; y < (image->rows-(bevel_width << 1)); y++) { for (x=0; x < bevel_width; x++) { p->red=(unsigned int) (p->red*HighlightLeft+foreground*(MaxRGB-HighlightLeft))/MaxRGB; p->green=(unsigned int) (p->green*HighlightLeft+foreground*(MaxRGB-HighlightLeft))/MaxRGB; p->blue=(unsigned int) (p->blue*HighlightLeft+foreground*(MaxRGB-HighlightLeft))/MaxRGB; p++; } for (x=0; x < (image->columns-(bevel_width << 1)); x++) p++; for (x=0; x < bevel_width; x++) { p->red=(unsigned int) (p->red*ShadowRight+background*(MaxRGB-ShadowRight))/MaxRGB; p->green=(unsigned int) (p->green*ShadowRight+background*(MaxRGB-ShadowRight))/MaxRGB; p->blue=(unsigned int) (p->blue*ShadowRight+background*(MaxRGB-ShadowRight))/MaxRGB; p++; } } for (y=0; y < bevel_width; y++) { for (x=0; x < (bevel_width-y); x++) { p->red=(unsigned int) (p->red*HighlightLeft+foreground*(MaxRGB-HighlightLeft))/MaxRGB; p->green=(unsigned int) (p->green*HighlightLeft+foreground*(MaxRGB-HighlightLeft))/MaxRGB; p->blue=(unsigned int) (p->blue*HighlightLeft+foreground*(MaxRGB-HighlightLeft))/MaxRGB; p++; } for (x=0; x < (image->columns-((bevel_width-y) << 1)); x++) { p->red=(unsigned int) (p->red*ShadowBottom+background*(MaxRGB-ShadowBottom))/MaxRGB; p->green=(unsigned int) (p->green*ShadowBottom+background*(MaxRGB-ShadowBottom))/MaxRGB; p->blue=(unsigned int) (p->blue*ShadowBottom+background*(MaxRGB-ShadowBottom))/MaxRGB; p++; } for (x=0; x < (bevel_width-y); x++) { p->red=(unsigned int) (p->red*ShadowRight+background*(MaxRGB-ShadowRight))/MaxRGB; p->green=(unsigned int) (p->green*ShadowRight+background*(MaxRGB-ShadowRight))/MaxRGB; p->blue=(unsigned int) (p->blue*ShadowRight+background*(MaxRGB-ShadowRight))/MaxRGB; p++; } } return; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e d u c e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReduceImage creates a new image that is a integral size less than % an existing one. It allocates the memory necessary for the new Image % structure and returns a pointer to the new image. % % ReduceImage scans the reference image to create a reduced image by computing % the weighted average of a 4x4 cell centered at each reference pixel. The % target pixel requires two columns and two rows of the reference pixels. % Therefore the reduced image columns and rows become: % % number_columns/2 % number_rows/2 % % Weights assume that the importance of neighboring pixels is negately % proportional to the square of their distance from the target pixel. % % The scan only processes pixels that have a full set of neighbors. Pixels % in the top, bottom, left, and right pairs of rows and columns are omitted % from the scan. % % The format of the ReduceImage routine is: % % reduced_image=ReduceImage(image) % % A description of each parameter follows: % % o reduced_image: Function ReduceImage returns a pointer to the image % after reducing. A null image is returned if there is a a memory % shortage or if the image size is less than IconSize*2. % % o image: The address of a structure of type Image. % % */ Image *ReduceImage(image) Image *image; { #define Reduce(weight) \ total_red+=(weight)*(s->red); \ total_green+=(weight)*(s->green); \ total_blue+=(weight)*(s->blue); \ total_matte+=(weight)*(s->index); \ s++; Image *reduced_image; register RunlengthPacket *p, *q, *s, *s0, *s1, *s2, *s3; register unsigned int x; RunlengthPacket *scanline; unsigned int y; unsigned int blue, green, packets, red; unsigned long total_matte, total_blue, total_green, total_red; unsigned short index; if ((image->columns < 4) || (image->rows < 4)) { Warning("Unable to reduce image","image size must exceed 3x3"); return((Image *) NULL); } /* Initialize reduced image attributes. */ packets=Max(image->packets >> 2,1); reduced_image=CopyImage(image,packets,1,False); if (reduced_image == (Image *) NULL) { Warning("Unable to reduce image","Memory allocation failed"); return((Image *) NULL); } reduced_image->class=DirectClass; reduced_image->columns=image->columns >> 1; reduced_image->rows=image->rows >> 1; reduced_image->packets=0; /* Allocate image buffer and scanline buffer for 4 rows of the image. */ scanline=(RunlengthPacket *) malloc(4*(image->columns+1)*sizeof(RunlengthPacket)); if (scanline == (RunlengthPacket *) NULL) { Warning("Unable to reduce image","Memory allocation failed"); DestroyImage(reduced_image); return((Image *) NULL); } /* Preload the first 2 rows of the image. */ p=image->pixels; image->runlength=p->length+1; for (x=0; x < (4*(image->columns+1)); x++) scanline[x]=(*p); s=scanline; for (x=0; x < (image->columns << 1); x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *s=(*p); s++; } /* Reduce each row. */ p=image->pixels; image->runlength=p->length+1; q=reduced_image->pixels; q->red=0; q->green=0; q->blue=0; q->index=0; q->length=MaxRunlength; for (y=0; y < (image->rows-1); y+=2) { /* Initialize sliding window pointers. */ s0=scanline+image->columns*((y+0) % 4); s1=scanline+image->columns*((y+1) % 4); s2=scanline+image->columns*((y+2) % 4); s3=scanline+image->columns*((y+3) % 4); /* Read another scan line. */ s=s2; for (x=0; x < image->columns; x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *s=(*p); s++; } /* Read another scan line. */ s=s3; for (x=0; x < image->columns; x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *s=(*p); s++; } for (x=0; x < (image->columns-1); x+=2) { /* Compute weighted average of target pixel color components. These particular coefficients total to 128. Use 128/2-1 or 63 to insure correct round off. */ total_red=0; total_green=0; total_blue=0; total_matte=0; s=s0; Reduce(3); Reduce(7); Reduce(7); Reduce(3); s=s1; Reduce(7); Reduce(15); Reduce(15); Reduce(7); s=s2; Reduce(7); Reduce(15); Reduce(15); Reduce(7); s=s3; Reduce(3); Reduce(7); Reduce(7); Reduce(3); s0+=2; s1+=2; s2+=2; s3+=2; red=(Quantum) ((total_red+63) >> 7); green=(Quantum) ((total_green+63) >> 7); blue=(Quantum) ((total_blue+63) >> 7); index=(unsigned short) ((total_matte+63) >> 7); if ((red == q->red) && (green == q->green) && (blue == q->blue) && (index == q->index) && ((int) q->length < MaxRunlength)) q->length++; else { if (reduced_image->packets != 0) q++; reduced_image->packets++; if (reduced_image->packets == packets) { packets<<=1; reduced_image->pixels=(RunlengthPacket *) realloc((char *) reduced_image->pixels,packets*sizeof(RunlengthPacket)); if (reduced_image->pixels == (RunlengthPacket *) NULL) { Warning("Unable to reduce image","Memory allocation failed"); DestroyImage(reduced_image); return((Image *) NULL); } q=reduced_image->pixels+reduced_image->packets-1; } q->red=red; q->green=green; q->blue=blue; q->index=index; q->length=0; } } } reduced_image->pixels=(RunlengthPacket *) realloc((char *) reduced_image->pixels,reduced_image->packets*sizeof(RunlengthPacket)); free((char *) scanline); return(reduced_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % R G B T r a n s f o r m I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function RGBTransformImage converts the reference image from RGB to % an alternate colorspace. The transformation matrices are not the standard % ones: the weights are rescaled to normalized the range of the transformed % values to be [0..MaxRGB]. % % The format of the RGBTransformImage routine is: % % RGBTransformImage(image,colorspace) % % A description of each parameter follows: % % o image: The address of a structure of type Image; returned from % ReadImage. % % o colorspace: An unsigned integer value that indicates which colorspace % to transform the image. % % */ void RGBTransformImage(image,colorspace) Image *image; unsigned int colorspace; { #define X 0 #define Y (MaxRGB+1) #define Z (MaxRGB+1)*2 long tx, ty, tz, *x, *y, *z; Quantum *range_table; register int blue, green, i, red; register Quantum *range_limit; register RunlengthPacket *p; if (colorspace == RGBColorspace) return; if (colorspace == GRAYColorspace) if (IsGrayImage(image)) return; /* Allocate the tables. */ x=(long *) malloc(3*(MaxRGB+1)*sizeof(long)); y=(long *) malloc(3*(MaxRGB+1)*sizeof(long)); z=(long *) malloc(3*(MaxRGB+1)*sizeof(long)); range_table=(Quantum *) malloc(3*(MaxRGB+1)*sizeof(Quantum)); if ((x == (long *) NULL) || (y == (long *) NULL) || (z == (long *) NULL) || (range_table == (Quantum *) NULL)) { Warning("Unable to transform color space","Memory allocation failed"); return; } /* Pre-compute conversion tables. */ for (i=0; i <= MaxRGB; i++) { range_table[i]=0; range_table[i+(MaxRGB+1)]=(Quantum) i; range_table[i+(MaxRGB+1)*2]=MaxRGB; } range_limit=range_table+(MaxRGB+1); tx=0; ty=0; tz=0; switch (colorspace) { case GRAYColorspace: { /* Initialize GRAY tables: G = 0.29900*R+0.58600*G+0.11400*B */ for (i=0; i <= MaxRGB; i++) { x[i+X]=UpShifted(0.29900)*i; y[i+X]=UpShifted(0.58600)*i; z[i+X]=UpShifted(0.11400)*i; x[i+Y]=UpShifted(0.29900)*i; y[i+Y]=UpShifted(0.58600)*i; z[i+Y]=UpShifted(0.11400)*i; x[i+Z]=UpShifted(0.29900)*i; y[i+Z]=UpShifted(0.58600)*i; z[i+Z]=UpShifted(0.11400)*i; } break; } case OHTAColorspace: { /* Initialize OHTA tables: I1 = 0.33333*R+0.33334*G+0.33333*B I2 = 0.50000*R+0.00000*G-0.50000*B I3 =-0.25000*R+0.50000*G-0.25000*B I and Q, normally -0.5 through 0.5, are normalized to the range 0 through MaxRGB. */ ty=UpShifted((MaxRGB+1) >> 1); tz=UpShifted((MaxRGB+1) >> 1); for (i=0; i <= MaxRGB; i++) { x[i+X]=UpShifted(0.33333)*i; y[i+X]=UpShifted(0.33334)*i; z[i+X]=UpShifted(0.33333)*i; x[i+Y]=UpShifted(0.50000)*i; y[i+Y]=0; z[i+Y]=(-UpShifted(0.50000))*i; x[i+Z]=(-UpShifted(0.25000))*i; y[i+Z]=UpShifted(0.50000)*i; z[i+Z]=(-UpShifted(0.25000))*i; } break; } case XYZColorspace: { /* Initialize CIE XYZ tables: X = 0.412453*X+0.357580*Y+0.180423*Z Y = 0.212671*X+0.715160*Y+0.072169*Z Z = 0.019334*X+0.119193*Y+0.950227*Z */ for (i=0; i <= MaxRGB; i++) { x[i+X]=UpShifted(0.412453)*i; y[i+X]=UpShifted(0.357580)*i; z[i+X]=UpShifted(0.180423)*i; x[i+Y]=UpShifted(0.212671)*i; y[i+Y]=UpShifted(0.715160)*i; z[i+Y]=UpShifted(0.072169)*i; x[i+Z]=UpShifted(0.019334)*i; y[i+Z]=UpShifted(0.119193)*i; z[i+Z]=UpShifted(0.950227)*i; } break; } case YCbCrColorspace: { /* Initialize YCbCr tables: Y = 0.299000*R+0.586000*G+0.114000*B Cb= -0.172586*R-0.338828*G+0.511414*B Cr= 0.511414*R-0.428246*G-0.083168*B Cb and Cr, normally -0.5 through 0.5, are normalized to the range 0 through MaxRGB. */ ty=UpShifted((MaxRGB+1) >> 1); tz=UpShifted((MaxRGB+1) >> 1); for (i=0; i <= MaxRGB; i++) { x[i+X]=UpShifted(0.299000)*i; y[i+X]=UpShifted(0.586000)*i; z[i+X]=UpShifted(0.114000)*i; x[i+Y]=(-UpShifted(0.172586))*i; y[i+Y]=(-UpShifted(0.338828))*i; z[i+Y]=UpShifted(0.511414)*i; x[i+Z]=UpShifted(0.511414)*i; y[i+Z]=(-UpShifted(0.428246))*i; z[i+Z]=(-UpShifted(0.083168))*i; } break; } case YCCColorspace: { /* Initialize YCC tables: Y = 0.29900*R+0.58600*G+0.11400*B C1=-0.29900*R-0.58600*G+0.88600*B C2= 0.70100*R-0.58600*G+0.11400*B YCC is scaled by 1.3584. C1 zero is 156 and C2 is at 137. */ ty=UpShifted((unsigned int) UpScale(156)); tz=UpShifted((unsigned int) UpScale(137)); for (i=0; i <= MaxRGB; i++) { x[i+X]=UpShifted(0.29900)*i; y[i+X]=UpShifted(0.58600)*i; z[i+X]=UpShifted(0.11400)*i; x[i+Y]=(-UpShifted(0.29900))*i; y[i+Y]=(-UpShifted(0.58600))*i; z[i+Y]=UpShifted(0.88600)*i; x[i+Z]=UpShifted(0.70100)*i; y[i+Z]=(-UpShifted(0.58600))*i; z[i+Z]=(-UpShifted(0.11400))*i; } break; } case YIQColorspace: { /* Initialize YIQ tables: Y = 0.29900*R+0.58600*G+0.11400*B I = 0.50000*R-0.23000*G-0.27000*B Q = 0.20200*R-0.50000*G+0.29800*B I and Q, normally -0.5 through 0.5, are normalized to the range 0 through MaxRGB. */ ty=UpShifted((MaxRGB+1) >> 1); tz=UpShifted((MaxRGB+1) >> 1); for (i=0; i <= MaxRGB; i++) { x[i+X]=UpShifted(0.29900)*i; y[i+X]=UpShifted(0.58600)*i; z[i+X]=UpShifted(0.11400)*i; x[i+Y]=UpShifted(0.50000)*i; y[i+Y]=(-UpShifted(0.23000))*i; z[i+Y]=(-UpShifted(0.27000))*i; x[i+Z]=UpShifted(0.20200)*i; y[i+Z]=(-UpShifted(0.50000))*i; z[i+Z]=UpShifted(0.29800)*i; } break; } case YPbPrColorspace: { /* Initialize YPbPr tables: Y = 0.299000*R+0.587000*G+0.114000*B Pb= -0.168736*R-0.331264*G+0.500000*B Pr= 0.500000*R-0.418688*G-0.081312*B Pb and Pr, normally -0.5 through 0.5, are normalized to the range 0 through MaxRGB. */ ty=UpShifted((MaxRGB+1) >> 1); tz=UpShifted((MaxRGB+1) >> 1); for (i=0; i <= MaxRGB; i++) { x[i+X]=UpShifted(0.299000)*i; y[i+X]=UpShifted(0.587000)*i; z[i+X]=UpShifted(0.114000)*i; x[i+Y]=(-UpShifted(0.168736))*i; y[i+Y]=(-UpShifted(0.331264))*i; z[i+Y]=UpShifted(0.500000)*i; x[i+Z]=UpShifted(0.500000)*i; y[i+Z]=(-UpShifted(0.418688))*i; z[i+Z]=(-UpShifted(0.081312))*i; } break; } case YUVColorspace: default: { /* Initialize YUV tables: Y = 0.29900*R+0.58600*G+0.11400*B U = -0.14740*R-0.28950*G+0.43690*B V = 0.61500*R-0.51500*G-0.10000*B U and V, normally -0.5 through 0.5, are normalized to the range 0 through MaxRGB. Note that U = 0.493*(B-Y), V = 0.877*(R-Y). */ ty=UpShifted((MaxRGB+1) >> 1); tz=UpShifted((MaxRGB+1) >> 1); for (i=0; i <= MaxRGB; i++) { x[i+X]=UpShifted(0.29900)*i; y[i+X]=UpShifted(0.58600)*i; z[i+X]=UpShifted(0.11400)*i; x[i+Y]=(-UpShifted(0.14740))*i; y[i+Y]=(-UpShifted(0.28950))*i; z[i+Y]=UpShifted(0.43690)*i; x[i+Z]=UpShifted(0.61500)*i; y[i+Z]=(-UpShifted(0.51500))*i; z[i+Z]=(-UpShifted(0.10000))*i; } break; } } /* Convert from RGB. */ switch (image->class) { case DirectClass: { /* Convert DirectClass image. */ p=image->pixels; for (i=0; i < image->packets; i++) { red=p->red; green=p->green; blue=p->blue; p->red=range_limit[DownShift(x[red+X]+y[green+X]+z[blue+X]+tx)]; p->green=range_limit[DownShift(x[red+Y]+y[green+Y]+z[blue+Y]+ty)]; p->blue=range_limit[DownShift(x[red+Z]+y[green+Z]+z[blue+Z]+tz)]; p++; } break; } case PseudoClass: { /* Convert PseudoClass image. */ for (i=0; i < image->colors; i++) { red=image->colormap[i].red; green=image->colormap[i].green; blue=image->colormap[i].blue; image->colormap[i].red= range_limit[DownShift(x[red+X]+y[green+X]+z[blue+X]+tx)]; image->colormap[i].green= range_limit[DownShift(x[red+Y]+y[green+Y]+z[blue+Y]+ty)]; image->colormap[i].blue= range_limit[DownShift(x[red+Z]+y[green+Z]+z[blue+Z]+tz)]; } SyncImage(image); break; } } /* Free allocated memory. */ free((char *) range_table); free((char *) z); free((char *) y); free((char *) x); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R o l l I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function RollImage rolls an image vertically and horizontally. It % allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % The format of the RollImage routine is: % % rolled_image=RollImage(image,columns,rows) % % A description of each parameter follows: % % o rolled_image: Function RollImage returns a pointer to the image after % rolling. A null image is returned if there is a memory shortage. % % o image: The address of a structure of type Image. % % o x_offset: An integer that specifies the number of columns to roll % in the horizontal direction. % % o y_offset: An integer that specifies the number of rows to roll in the % veritical direction. % % */ Image *RollImage(image,x_offset,y_offset) Image *image; int x_offset, y_offset; { Image *rolled_image; register RunlengthPacket *p, *q; register unsigned int packets, x; unsigned int y; /* Initialize rolled image attributes. */ rolled_image=CopyImage(image,image->columns,image->rows,False); if (rolled_image == (Image *) NULL) { Warning("Unable to roll image","Memory allocation failed"); return((Image *) NULL); } /* Roll image. */ p=image->pixels; image->runlength=p->length+1; packets=image->columns*image->rows; for (y=0; y < image->rows; y++) { /* Transfer scanline. */ for (x=0; x < image->columns; x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } q=rolled_image->pixels+(y_offset+y)*image->columns+x+x_offset; if (q < rolled_image->pixels) q+=packets; else if (q >= (rolled_image->pixels+packets)) q-=packets; *q=(*p); q->length=0; } } return(rolled_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S a m p l e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function SampleImage creates a new image that is a scaled size of an % existing one using pixel sampling. It allocates the memory necessary % for the new Image structure and returns a pointer to the new image. % % The format of the SampleImage routine is: % % sampled_image=SampleImage(image,columns,rows) % % A description of each parameter follows: % % o sampled_image: Function SampleImage returns a pointer to the image after % scaling. A null image is returned if there is a memory shortage. % % o image: The address of a structure of type Image. % % o columns: An integer that specifies the number of columns in the sampled % image. % % o rows: An integer that specifies the number of rows in the sampled % image. % % */ Image *SampleImage(image,columns,rows) Image *image; unsigned int columns, rows; { Image *sampled_image; int y; register RunlengthPacket *p, *q, *s; register int x; RunlengthPacket *scanline; unsigned int *x_offset, *y_offset; unsigned long scale_factor; if ((columns == 0) || (rows == 0)) { Warning("Unable to sample image","image dimensions are zero"); return((Image *) NULL); } /* Initialize sampled image attributes. */ sampled_image=CopyImage(image,columns,rows,False); if (sampled_image == (Image *) NULL) { Warning("Unable to sample image","Memory allocation failed"); return((Image *) NULL); } /* Allocate scan line buffer and column offset buffers. */ scanline=(RunlengthPacket *) malloc(image->columns*sizeof(RunlengthPacket)); x_offset=(unsigned int *) malloc(sampled_image->columns*sizeof(unsigned int)); y_offset=(unsigned int *) malloc(sampled_image->rows*sizeof(unsigned int)); if ((scanline == (RunlengthPacket *) NULL) || (x_offset == (unsigned int *) NULL) || (y_offset == (unsigned int *) NULL)) { Warning("Unable to sample image","Memory allocation failed"); DestroyImage(sampled_image); return((Image *) NULL); } /* Initialize column pixel offsets. */ scale_factor=UpShift(image->columns-1)/sampled_image->columns; columns=0; for (x=0; x < sampled_image->columns; x++) { x_offset[x]=DownShift((x+1)*scale_factor)-(int) columns; columns+=x_offset[x]; } /* Initialize row pixel offsets. */ scale_factor=UpShift(image->rows-1)/sampled_image->rows; rows=0; for (y=0; y < sampled_image->rows; y++) { y_offset[y]=DownShift((y+1)*scale_factor)-(int) rows; rows+=y_offset[y]; } y_offset[sampled_image->rows-1]=0; /* Preload first scanline. */ p=image->pixels; image->runlength=p->length+1; s=scanline; for (x=0; x < image->columns; x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *s=(*p); s->length=0; s++; } /* Sample each row. */ q=sampled_image->pixels; for (y=0; y < sampled_image->rows; y++) { /* Sample each column. */ s=scanline; for (x=0; x < sampled_image->columns; x++) { *q=(*s); q++; s+=x_offset[x]; } if (y_offset[y] != 0) { /* Skip a scan line. */ if (y_offset[y] > 1) for (x=0; x < (image->columns*(y_offset[y]-1)); x++) if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } /* Read a scan line. */ s=scanline; for (x=0; x < image->columns; x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *s=(*p); s->length=0; s++; } } } free((char *) scanline); free((char *) x_offset); free((char *) y_offset); return(sampled_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S c a l e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ScaleImage creates a new image that is a scaled size of an % existing one. It allocates the memory necessary for the new Image % structure and returns a pointer to the new image. To scale a scanline % from x pixels to y pixels, each new pixel represents x/y old pixels. To % read x/y pixels, read (x/y rounded up) pixels but only count the required % fraction of the last old pixel read in your new pixel. The remainder % of the old pixel will be counted in the next new pixel. % % The scaling algorithm was suggested by rjohnson@shell.com and is adapted % from pnmscale(1) of PBMPLUS by Jef Poskanzer. % % The format of the ScaleImage routine is: % % scaled_image=ScaleImage(image,columns,rows) % % A description of each parameter follows: % % o scaled_image: Function ScaleImage returns a pointer to the image after % scaling. A null image is returned if there is a memory shortage. % % o image: The address of a structure of type Image. % % o columns: An integer that specifies the number of columns in the scaled % image. % % o rows: An integer that specifies the number of rows in the scaled % image. % % */ Image *ScaleImage(image,columns,rows) Image *image; unsigned int columns, rows; { typedef struct ScaledPacket { long red, green, blue, index; } ScaledPacket; Image *scaled_image; int next_row, number_rows; long x_scale, x_span; register RunlengthPacket *p, *q; register ScaledPacket *s, *t; register unsigned int x; ScaledPacket *scaled_scanline, *scanline, *y_vector, *x_vector; unsigned int packets, y; unsigned long blue, green, index, red, scale_factor; if ((columns == 0) || (rows == 0)) { Warning("Unable to scale image","image dimensions are zero"); return((Image *) NULL); } /* Initialize scaled image attributes. */ scale_factor=UpShift(columns*rows)/(image->columns*image->rows); packets=Max(DownShift(image->packets*scale_factor),1); scaled_image=CopyImage(image,packets,1,False); if (scaled_image == (Image *) NULL) { Warning("Unable to scale image","Memory allocation failed"); return((Image *) NULL); } scaled_image->class=DirectClass; scaled_image->columns=columns; scaled_image->rows=rows; scaled_image->packets=0; /* Allocate memory. */ x_vector=(ScaledPacket *) malloc(image->columns*sizeof(ScaledPacket)); scanline=x_vector; if (scaled_image->rows != image->rows) scanline=(ScaledPacket *) malloc(image->columns*sizeof(ScaledPacket)); scaled_scanline=(ScaledPacket *) malloc(scaled_image->columns*sizeof(ScaledPacket)); y_vector=(ScaledPacket *) malloc(image->columns*sizeof(ScaledPacket)); if ((x_vector == (ScaledPacket *) NULL) || (scanline == (ScaledPacket *) NULL) || (scaled_scanline == (ScaledPacket *) NULL) || (y_vector == (ScaledPacket *) NULL)) { Warning("Unable to scale image","Memory allocation failed"); DestroyImage(scaled_image); return((Image *) NULL); } /* Scale image. */ number_rows=0; next_row=True; x_scale=UpShift(scaled_image->rows)/image->rows; x_span=UpShift(1); for (x=0; x < image->columns; x++) { y_vector[x].red=0; y_vector[x].green=0; y_vector[x].blue=0; y_vector[x].index=0; } p=image->pixels; image->runlength=p->length+1; q=scaled_image->pixels; q->red=0; q->green=0; q->blue=0; q->index=0; q->length=MaxRunlength; for (y=0; y < scaled_image->rows; y++) { if (scaled_image->rows == image->rows) for (x=0; x < image->columns; x++) { /* Read a new scanline. */ if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } x_vector[x].red=p->red; x_vector[x].green=p->green; x_vector[x].blue=p->blue; x_vector[x].index=p->index; } else { /* Scale Y direction. */ while (x_scale < x_span) { if (next_row && (number_rows < image->rows)) { /* Read a new scanline. */ for (x=0; x < image->columns; x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } x_vector[x].red=p->red; x_vector[x].green=p->green; x_vector[x].blue=p->blue; x_vector[x].index=p->index; } number_rows++; } for (x=0; x < image->columns; x++) { y_vector[x].red+=x_scale*x_vector[x].red; y_vector[x].green+=x_scale*x_vector[x].green; y_vector[x].blue+=x_scale*x_vector[x].blue; y_vector[x].index+=x_scale*x_vector[x].index; } x_span-=x_scale; x_scale=UpShift(scaled_image->rows)/image->rows; next_row=True; } if (next_row && (number_rows < image->rows)) { /* Read a new scanline. */ for (x=0; x < image->columns; x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } x_vector[x].red=p->red; x_vector[x].green=p->green; x_vector[x].blue=p->blue; x_vector[x].index=p->index; } number_rows++; next_row=False; } s=scanline; for (x=0; x < image->columns; x++) { red=DownShift(y_vector[x].red+x_span*x_vector[x].red); green=DownShift(y_vector[x].green+x_span*x_vector[x].green); blue=DownShift(y_vector[x].blue+x_span*x_vector[x].blue); index=DownShift(y_vector[x].index+x_span*x_vector[x].index); s->red=red > MaxRGB ? MaxRGB : red; s->green=green > MaxRGB ? MaxRGB : green; s->blue=blue > MaxRGB ? MaxRGB : blue; s->index=index > MaxColormapSize ? MaxColormapSize : index; s++; y_vector[x].red=0; y_vector[x].green=0; y_vector[x].blue=0; y_vector[x].index=0; } x_scale-=x_span; if (x_scale == 0) { x_scale=UpShift(scaled_image->rows)/image->rows; next_row=True; } x_span=UpShift(1); } if (scaled_image->columns == image->columns) { /* Transfer scanline to scaled image. */ s=scanline; for (x=0; x < scaled_image->columns; x++) { if ((s->red == q->red) && (s->green == q->green) && (s->blue == q->blue) && (s->index == q->index) && ((int) q->length < MaxRunlength)) q->length++; else { if (scaled_image->packets != 0) q++; scaled_image->packets++; if (scaled_image->packets == packets) { packets<<=1; scaled_image->pixels=(RunlengthPacket *) realloc((char *) scaled_image->pixels,packets*sizeof(RunlengthPacket)); if (scaled_image->pixels == (RunlengthPacket *) NULL) { Warning("Unable to scale image", "Memory allocation failed"); DestroyImage(scaled_image); return((Image *) NULL); } q=scaled_image->pixels+scaled_image->packets-1; } q->red=s->red; q->green=s->green; q->blue=s->blue; q->index=s->index; q->length=0; } s++; } } else { int next_column; long int y_scale, y_span; /* Scale X direction. */ red=0; green=0; blue=0; next_column=False; y_span=UpShift(1); s=scanline; t=scaled_scanline; for (x=0; x < image->columns; x++) { y_scale=UpShift(scaled_image->columns)/image->columns; while (y_scale >= y_span) { if (next_column) { red=0; green=0; blue=0; index=0; t++; } red=DownShift(red+y_span*s->red); green=DownShift(green+y_span*s->green); blue=DownShift(blue+y_span*s->blue); index=DownShift(index+y_span*s->index); t->red=red > MaxRGB ? MaxRGB : red; t->green=green > MaxRGB ? MaxRGB : green; t->blue=blue > MaxRGB ? MaxRGB : blue; t->index=index > MaxColormapSize ? MaxColormapSize : index; y_scale-=y_span; y_span=UpShift(1); next_column=True; } if (y_scale > 0) { if (next_column) { red=0; green=0; blue=0; index=0; next_column=False; t++; } red+=y_scale*s->red; green+=y_scale*s->green; blue+=y_scale*s->blue; index+=y_scale*s->index; y_span-=y_scale; } s++; } if (y_span > 0) { s--; red+=y_span*s->red; green+=y_span*s->green; blue+=y_span*s->blue; index+=y_span*s->index; } if (!next_column) { red=DownShift(red); green=DownShift(green); blue=DownShift(blue); index=DownShift(index); t->red=red > MaxRGB ? MaxRGB : red; t->green=green > MaxRGB ? MaxRGB : green; t->blue=blue > MaxRGB ? MaxRGB : blue; t->index=index > MaxRGB ? MaxRGB : index; } /* Transfer scanline to scaled image. */ t=scaled_scanline; for (x=0; x < scaled_image->columns; x++) { if ((t->red == q->red) && (t->green == q->green) && (t->blue == q->blue) && (t->index == q->index) && ((int) q->length < MaxRunlength)) q->length++; else { if (scaled_image->packets != 0) q++; scaled_image->packets++; if (scaled_image->packets == packets) { packets<<=1; scaled_image->pixels=(RunlengthPacket *) realloc((char *) scaled_image->pixels,packets*sizeof(RunlengthPacket)); if (scaled_image->pixels == (RunlengthPacket *) NULL) { Warning("Unable to scale image","Memory allocation failed"); DestroyImage(scaled_image); return((Image *) NULL); } q=scaled_image->pixels+scaled_image->packets-1; } q->red=t->red; q->green=t->green; q->blue=t->blue; q->index=t->index; q->length=0; } t++; } } } scaled_image->pixels=(RunlengthPacket *) realloc((char *) scaled_image->pixels,scaled_image->packets*sizeof(RunlengthPacket)); /* Free allocated memory. */ free((char *) y_vector); free((char *) scaled_scanline); if (scanline != x_vector) free((char *) scanline); free((char *) x_vector); return(scaled_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S e t I m a g e M a g i c k % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function SetImageMagick initializes the `magick' field of the ImageInfo % structure. It is set to a type of image format based on the prefix or % suffix of the filename. For example, `ps:image' returns PS indicating % a Postscript image. JPEG is returned for this filename: `image.jpg'. % The filename prefix has precedance over the suffix. Use an optional index % enclosed in brackets after a file name to specify a desired subimage of a % multi-resolution image format like Photo CD (e.g. img0001.pcd[4]). % % The format of the SetImageMagick routine is: % % SetImageMagick(image_info) % % A description of each parameter follows: % % o image_info: Specifies a pointer to a ImageInfo structure. % % */ void SetImageMagick(image_info) ImageInfo *image_info; { static char *ImageFormats[]= { "AVS", "BIE", "BMP", "CMYK", "EPS", "EPSF", "EPSI", "FAX", "FITS", "FTP", "GIF", "GIF87", "GOPHER", "GRAY", "G3", "HDF", "HISTOGRAM", "HTML", "HTTP", "JBIG", "JPEG", "JPG", "LOGO", "MAP", "MATTE", "MIFF", "MPG", "MPEG", "MTV", "NULL", "PBM", "PCD", "PCX", "PDF", "PGM", "PICT", "PM", "PNG", "PPM", "PNM", "PS", "PS2", "RAD", "RAS", "RGB", "RGBA", "RLE", "SGI", "SUN", "TGA", "TEXT", "TIF", "TIFF", "TILE", "TMP", "VICAR", "VID", "VIFF", "X", "XBM", "XC", "XPM", "XV", "XWD", "YUV", "YUV3", (char *) NULL, }; char c, magick[MaxTextLength]; register char *p, *q; register int i; /* Look for 'image.format' in filename. */ *magick='\0'; p=image_info->filename+strlen(image_info->filename)-1; if (*p == ']') { /* Look for sub-image enclosed in brackets (e.g. img0001.pcd[4]). */ for (q=p-1; q > image_info->filename; q--) if (!isdigit(*q) && (*q != '-')) break; if (*q == '[') { p=q++; image_info->subimage=atoi(q); image_info->subrange=atoi(q); (void) sscanf(q,"%u-%u",&image_info->subimage,&image_info->subrange); image_info->subrange-=image_info->subimage-1; *p='\0'; } } while ((*p != '.') && (p > image_info->filename)) p--; if ((strcmp(p,".gz") == 0) || (strcmp(p,".Z") == 0)) do { p--; } while ((*p != '.') && (p > image_info->filename)); if ((*p == '.') && (strlen(p) < sizeof(magick))) { /* User specified image format. */ (void) strcpy(magick,p+1); for (q=magick; *q != '\0'; q++) { if (*q == '.') { *q='\0'; break; } c=(*q); if (isascii(c) && islower(c)) *q=toupper(c); } for (i=0; ImageFormats[i] != (char *) NULL; i++) if (strcmp(magick,ImageFormats[i]) == 0) { /* SGI and RGB are ambiguous. */ if ((strncmp(image_info->magick,"SGI",3) != 0) || (strcmp(ImageFormats[i],"RGB") != 0)) (void) strcpy(image_info->magick,magick); break; } } /* Look for explicit 'format:image' in filename. */ image_info->assert=False; p=image_info->filename; while ((*p != ':') && (*p != '\0')) p++; if ((*p == ':') && ((p-image_info->filename) < sizeof(magick))) { /* User specified image format. */ (void) strncpy(magick,image_info->filename,p-image_info->filename); magick[p-image_info->filename]='\0'; for (q=magick; *q != '\0'; q++) { c=(*q); if (isascii(c) && islower(c)) *q=toupper(c); } for (i=0; ImageFormats[i] != (char *) NULL; i++) if (strcmp(magick,ImageFormats[i]) == 0) { /* Strip off image format prefix. */ p++; (void) strcpy(image_info->filename,p); (void) strcpy(image_info->magick,magick); if (strcmp(magick,"TMP") != 0) image_info->assert=True; break; } } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % S h a r p e n I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function SharpenImage creates a new image that is a copy of an existing % one with the pixels sharpened. It allocates the memory necessary for the % new Image structure and returns a pointer to the new image. % % SharpenImage convolves the pixel neighborhood with this sharpening mask: % % -1 -2 -1 % -2 W -2 % -1 -2 -1 % % The scan only processes pixels that have a full set of neighbors. Pixels % in the top, bottom, left, and right pairs of rows and columns are omitted % from the scan. % % The format of the SharpenImage routine is: % % sharpened_image=SharpenImage(image,factor) % % A description of each parameter follows: % % o sharpened_image: Function SharpenImage returns a pointer to the image % after it is sharpened. A null image is returned if there is a memory % shortage. % % o image: The address of a structure of type Image; returned from % ReadImage. % % o factor: An double value reflecting the percent weight to give to the % center pixel of the neighborhood. % % */ Image *SharpenImage(image,factor) Image *image; double factor; { #define Sharpen(weight) \ total_red+=(weight)*(int) (s->red); \ total_green+=(weight)*(int) (s->green); \ total_blue+=(weight)*(int) (s->blue); \ total_index+=(weight)*(int) (s->index); \ s++; Image *sharpened_image; long int total_blue, total_green, total_index, total_red, weight; register RunlengthPacket *p, *q, *s, *s0, *s1, *s2; register unsigned int x; RunlengthPacket *scanline; unsigned int quantum, y; if ((image->columns < 3) || (image->rows < 3)) { Warning("Unable to sharpen image","image size must exceed 3x3"); return((Image *) NULL); } /* Initialize sharpened image attributes. */ sharpened_image=CopyImage(image,image->columns,image->rows,False); if (sharpened_image == (Image *) NULL) { Warning("Unable to enhance image","Memory allocation failed"); return((Image *) NULL); } sharpened_image->class=DirectClass; /* Allocate scan line buffer for 3 rows of the image. */ scanline=(RunlengthPacket *) malloc(3*(image->columns+1)*sizeof(RunlengthPacket)); if (scanline == (RunlengthPacket *) NULL) { Warning("Unable to enhance image","Memory allocation failed"); DestroyImage(sharpened_image); return((Image *) NULL); } /* Read the first two rows of the image. */ p=image->pixels; image->runlength=p->length+1; for (x=0; x < (3*(image->columns+1)); x++) scanline[x]=(*p); s=scanline; for (x=0; x < (image->columns << 1); x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *s=(*p); s++; } /* Dump first scanline of image. */ q=sharpened_image->pixels; s=scanline; for (x=0; x < image->columns; x++) { *q=(*s); q->index=0; q->length=0; q++; s++; } /* Convolve each row. */ weight=(long int) ((100.0-factor)/2+13); quantum=Max(weight-12,1); for (y=1; y < (image->rows-1); y++) { /* Initialize sliding window pointers. */ s0=scanline+image->columns*((y-1) % 3); s1=scanline+image->columns*(y % 3); s2=scanline+image->columns*((y+1) % 3); /* Read another scan line. */ s=s2; for (x=0; x < image->columns; x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *s=(*p); s++; } /* Transfer first pixel of the scanline. */ *q=(*s1); q->length=0; q++; for (x=1; x < (image->columns-1); x++) { /* Compute weighted average of target pixel color components. */ total_red=0; total_green=0; total_blue=0; total_index=0; s=s0; Sharpen(-1); Sharpen(-2); Sharpen(-1); s=s1; Sharpen(-2); Sharpen(weight); Sharpen(-2); s=s2; Sharpen(-1); Sharpen(-2); Sharpen(-1); if (total_red < 0) q->red=0; else if (total_red > (MaxRGB*quantum)) q->red=MaxRGB; else q->red=(Quantum) ((total_red+(quantum >> 1))/quantum); if (total_green < 0) q->green=0; else if (total_green > (MaxRGB*quantum)) q->green=MaxRGB; else q->green=(Quantum) ((total_green+(quantum >> 1))/quantum); if (total_blue < 0) q->blue=0; else if (total_blue > (MaxRGB*quantum)) q->blue=MaxRGB; else q->blue=(Quantum) ((total_blue+(quantum >> 1))/quantum); if (total_index < 0) q->index=0; else if (total_index > (MaxRGB*quantum)) q->index=MaxRGB; else q->index=(unsigned short) ((total_index+(quantum >> 1))/quantum); q->length=0; q++; s0++; s1++; s2++; } /* Transfer last pixel of the scanline. */ s1++; *q=(*s1); q->length=0; q++; } /* Dump last scanline of pixels. */ s=scanline+image->columns*(y % 3); for (x=0; x < image->columns; x++) { *q=(*s); q->length=0; q++; s++; } free((char *) scanline); return(sharpened_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S o r t C o l o r m a p B y I n t e n t s i t y % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function SortColormapByIntensity sorts the colormap of a PseudoClass image % by decreasing color intensity. % % The format of the SortColormapByIntensity routine is: % % SortColormapByIntensity(image) % % A description of each parameter follows: % % o image: A pointer to a Image structure. % % */ static int IntensityCompare(x,y) const void *x, *y; { ColorPacket *color_1, *color_2; color_1=(ColorPacket *) x; color_2=(ColorPacket *) y; return((int) Intensity(*color_2)-(int) Intensity(*color_1)); } void SortColormapByIntensity(image) Image *image; { register int i; register RunlengthPacket *p; register unsigned short index; unsigned short *pixels; if (image->class != PseudoClass) return; /* Allocate memory for pixel indexes. */ pixels=(unsigned short *) malloc(image->colors*sizeof(unsigned short)); if (pixels == (unsigned short *) NULL) { Warning("Unable to sort colormap","Memory allocation failed"); return; } /* Assign index values to colormap entries. */ for (i=0; i < image->colors; i++) image->colormap[i].index=(unsigned short) i; /* Sort image colormap by decreasing color popularity. */ qsort((void *) image->colormap,(int) image->colors,sizeof(ColorPacket), (int (*) _Declare((const void *, const void *))) IntensityCompare); /* Update image colormap indexes to sorted colormap order. */ for (i=0; i < image->colors; i++) pixels[image->colormap[i].index]=(unsigned short) i; p=image->pixels; for (i=0; i < image->packets; i++) { index=pixels[p->index]; p->red=image->colormap[index].red; p->green=image->colormap[index].green; p->blue=image->colormap[index].blue; p->index=index; p++; } free((char *) pixels); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S t e r e o I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function StereoImage combines two images and produces a single image that % is the composite of a left and right image of a stereo pair. The left % image is converted to grayscale and written to the red channel of the % stereo image. The right image is converted to grayscale and written to the % blue channel of the stereo image. View the composite image with red-blue % glasses to create a stereo effect. % % The format of the StereoImage routine is: % % stereo_image=StereoImage(left_image,right_image) % % A description of each parameter follows: % % o stereo_image: Function StereoImage returns a pointer to the stereo % image. A null image is returned if there is a memory shortage. % % o left_image: The address of a structure of type Image. % % o right_image: The address of a structure of type Image. % % */ Image *StereoImage(left_image,right_image) Image *left_image, *right_image; { Image *stereo_image; register int i; register RunlengthPacket *p, *q, *r; if ((left_image->columns != right_image->columns) || (left_image->rows != right_image->rows)) { Warning("Unable to create stereo image", "left and right image sizes differ"); return((Image *) NULL); } /* Initialize stereo image attributes. */ stereo_image=CopyImage(left_image,left_image->columns,left_image->rows,False); if (stereo_image == (Image *) NULL) { Warning("Unable to create stereo image","Memory allocation failed"); return((Image *) NULL); } stereo_image->class=DirectClass; /* Copy left image to red channel and right image to blue channel. */ QuantizeImage(left_image,256,8,False,GRAYColorspace); SyncImage(left_image); p=left_image->pixels; left_image->runlength=p->length+1; QuantizeImage(right_image,256,8,False,GRAYColorspace); SyncImage(right_image); q=right_image->pixels; right_image->runlength=q->length+1; r=stereo_image->pixels; for (i=0; i < (stereo_image->columns*stereo_image->rows); i++) { if (left_image->runlength != 0) left_image->runlength--; else { p++; left_image->runlength=p->length; } if (right_image->runlength != 0) right_image->runlength--; else { q++; right_image->runlength=q->length; } r->red=(unsigned int) (p->red*12) >> 4; r->green=0; r->blue=q->blue; r->index=0; r->length=0; r++; } return(stereo_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S y n c I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function SyncImage initializes the red, green, and blue intensities of each % pixel as defined by the colormap index. % % The format of the SyncImage routine is: % % SyncImage(image) % % A description of each parameter follows: % % o image: The address of a structure of type Image. % % */ void SyncImage(image) Image *image; { register int i; register RunlengthPacket *p; register unsigned short index; p=image->pixels; for (i=0; i < image->colors; i++) { image->colormap[i].index=0; image->colormap[i].flags=0; } for (i=0; i < image->packets; i++) { index=p->index; p->red=image->colormap[index].red; p->green=image->colormap[index].green; p->blue=image->colormap[index].blue; p++; } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % T r a n s f o r m I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function TransformImage creates a new image that is a transformed size of % of existing one as specified by the crop and image geometries. It % allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % If a crop geometry is specified a subregion of the image is obtained. % If the specified image size, as defined by the image and scale geometries, % is smaller than the actual image size, the image is first reduced to an % integral of the specified image size with an antialias digital filter. The % image is then scaled to the exact specified image size with pixel % replication. If the specified image size is greater than the actual image % size, the image is first enlarged to an integral of the specified image % size with bilinear interpolation. The image is then scaled to the exact % specified image size with pixel replication. % % The format of the TransformImage routine is: % % TransformImage(image,crop_geometry,image_geometry) % % A description of each parameter follows: % % o image: The address of an address of a structure of type Image. The % transformed image is returned as this parameter. % % o crop_geometry: Specifies a pointer to a crop geometry string. % This geometry defines a subregion of the image. % % o image_geometry: Specifies a pointer to a image geometry string. % The specified width and height of this geometry string are absolute. % % */ void TransformImage(image,crop_geometry,image_geometry) Image **image; char *crop_geometry, *image_geometry; { Image *transformed_image; int flags; unsigned int height, sharpen, width; transformed_image=(*image); if (crop_geometry != (char *) NULL) { Image *cropped_image; RectangleInfo crop_info; /* Crop image to a user specified size. */ crop_info.x=0; crop_info.y=0; flags= XParseGeometry(crop_geometry,&crop_info.x,&crop_info.y,&width,&height); if ((flags & WidthValue) == 0) width=(unsigned int) ((int) transformed_image->columns-crop_info.x); if ((flags & HeightValue) == 0) height=(unsigned int) ((int) transformed_image->rows-crop_info.y); if ((flags & XNegative) != 0) crop_info.x+=transformed_image->columns-width; if ((flags & YNegative) != 0) crop_info.y+=transformed_image->rows-height; if (strchr(crop_geometry,'%') != (char *) NULL) { /* Crop geometry is relative to image size. */ ParseImageGeometry(crop_geometry,&width,&height); if (width > transformed_image->columns) width=transformed_image->columns; if (height > transformed_image->rows) height=transformed_image->rows; crop_info.x=width >> 1; crop_info.y=height >> 1; width=transformed_image->columns-width; height=transformed_image->rows-height; } crop_info.width=width; crop_info.height=height; cropped_image=CropImage(transformed_image,&crop_info); if (cropped_image != (Image *) NULL) { DestroyImage(transformed_image); transformed_image=cropped_image; } } /* Scale image to a user specified size. */ width=transformed_image->columns; height=transformed_image->rows; ParseImageGeometry(image_geometry,&width,&height); sharpen=(transformed_image->columns != width) || (transformed_image->rows != height); while ((transformed_image->columns >= (width << 1)) && (transformed_image->rows >= (height << 1))) { Image *reduced_image; /* Reduce image with a antialias digital filter. */ reduced_image=ReduceImage(transformed_image); if (reduced_image == (Image *) NULL) break; DestroyImage(transformed_image); transformed_image=reduced_image; } while ((transformed_image->columns <= (width >> 1)) && (transformed_image->rows <= (height >> 1))) { Image *zoomed_image; /* Zoom image with bilinear interpolation. */ zoomed_image=ZoomImage(transformed_image); if (zoomed_image == (Image *) NULL) break; DestroyImage(transformed_image); transformed_image=zoomed_image; } if ((transformed_image->columns != width) || (transformed_image->rows != height)) { Image *scaled_image; /* Scale image with pixel replication. */ scaled_image=ScaleImage(transformed_image,width,height); if (scaled_image != (Image *) NULL) { DestroyImage(transformed_image); transformed_image=scaled_image; } } if (sharpen) if ((transformed_image->columns >= 3) && (transformed_image->rows >= 3)) { Image *sharpened_image; /* Sharpen image. */ sharpened_image=SharpenImage(transformed_image,SharpenFactor); if (sharpened_image != (Image *) NULL) { DestroyImage(transformed_image); transformed_image=sharpened_image; } } if (transformed_image->packets == (transformed_image->columns*transformed_image->rows)) CompressImage(transformed_image); *image=transformed_image; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % T r a n s f o r m R G B I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function TransformRGBImage converts the reference image from an alternate % colorspace. The transformation matrices are not the standard ones: the % weights are rescaled to normalized the range of the transformed values to % be [0..MaxRGB]. % % The format of the TransformRGBImage routine is: % % TransformRGBImage(image,colorspace) % % A description of each parameter follows: % % o image: The address of a structure of type Image; returned from % ReadImage. % % o colorspace: An unsigned integer value that indicates the colorspace % the image is currently in. On return the image is in the RGB % color space. % % */ void TransformRGBImage(image,colorspace) Image *image; unsigned int colorspace; { #define R 0 #define G (MaxRGB+1) #define B (MaxRGB+1)*2 static Quantum PCDMap[348] = /* Photo CD information beyond 100% white, Gamma 2.2 */ { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 76, 77, 78, 79, 80, 81, 82, 83, 84, 84, 85, 86, 87, 88, 89, 90, 91, 92, 92, 93, 94, 95, 96, 97, 98, 99, 99, 100, 101, 102, 103, 104, 105, 106, 106, 107, 108, 109, 110, 111, 112, 113, 114, 114, 115, 116, 117, 118, 119, 120, 121, 122, 122, 123, 124, 125, 126, 127, 128, 129, 129, 130, 131, 132, 133, 134, 135, 136, 136, 137, 138, 139, 140, 141, 142, 142, 143, 144, 145, 146, 147, 148, 148, 149, 150, 151, 152, 153, 153, 154, 155, 156, 157, 158, 158, 159, 160, 161, 162, 163, 164, 165, 165, 166, 167, 168, 169, 170, 171, 172, 173, 173, 174, 175, 176, 177, 178, 178, 179, 180, 181, 182, 182, 183, 184, 185, 186, 186, 187, 188, 189, 190, 191, 192, 193, 194, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 205, 206, 207, 208, 209, 210, 210, 211, 212, 213, 214, 215, 216, 216, 217, 218, 219, 220, 221, 221, 222, 223, 224, 225, 225, 226, 227, 228, 228, 229, 230, 230, 231, 232, 233, 233, 234, 235, 235, 236, 237, 237, 238, 239, 239, 240, 241, 241, 242, 242, 243, 243, 244, 244, 245, 245, 245, 246, 246, 247, 247, 247, 248, 248, 248, 249, 249, 249, 250, 250, 250, 250, 251, 251, 251, 251, 252, 252, 252, 252, 252, 252, 253, 253, 253, 253, 253, 253, 253, 253, 253, 253, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 255, 255, 255, 255, 255, 255 }; long *blue, *green, *red; Quantum *range_table; register int i, x, y, z; register Quantum *range_limit; register RunlengthPacket *p; if ((colorspace == RGBColorspace) || (colorspace == GRAYColorspace)) return; /* Allocate the tables. */ red=(long *) malloc(3*(MaxRGB+1)*sizeof(long)); green=(long *) malloc(3*(MaxRGB+1)*sizeof(long)); blue=(long *) malloc(3*(MaxRGB+1)*sizeof(long)); range_table=(Quantum *) malloc(3*(MaxRGB+1)*sizeof(Quantum)); if ((red == (long *) NULL) || (green == (long *) NULL) || (blue == (long *) NULL) || (range_table == (Quantum *) NULL)) { Warning("Unable to transform color space","Memory allocation failed"); return; } /* Initialize tables. */ for (i=0; i <= MaxRGB; i++) { range_table[i]=0; range_table[i+(MaxRGB+1)]=(Quantum) i; range_table[i+(MaxRGB+1)*2]=MaxRGB; } range_limit=range_table+(MaxRGB+1); switch (colorspace) { case OHTAColorspace: { /* Initialize OHTA tables: R = I1+1.00000*I2-0.66668*I3 G = I1+0.00000*I2+1.33333*I3 B = I1-1.00000*I2-0.66668*I3 I and Q, normally -0.5 through 0.5, must be normalized to the range 0 through MaxRGB. */ for (i=0; i <= MaxRGB; i++) { red[i+R]=UpShifted(1.00000)*i; green[i+R]=UpShifted(1.0000*0.5)*((i << 1)-MaxRGB); blue[i+R]=(-UpShifted(0.66668*0.5))*((i << 1)-MaxRGB); red[i+G]=UpShifted(1.00000)*i; green[i+G]=0; blue[i+G]=UpShifted(1.33333*0.5)*((i << 1)-MaxRGB); red[i+B]=UpShifted(1.00000)*i; green[i+B]=(-UpShifted(1.00000*0.5))*((i << 1)-MaxRGB); blue[i+B]=(-UpShifted(0.66668*0.5))*((i << 1)-MaxRGB); } break; } case XYZColorspace: { /* Initialize CIE XYZ tables: R = 3.240479*R-1.537150*G-0.498535*B G = -0.969256*R+1.875992*G+0.041556*B B = 0.055648*R-0.204043*G+1.057311*B */ for (i=0; i <= MaxRGB; i++) { red[i+R]=UpShifted(3.240479)*i; green[i+R]=(-UpShifted(1.537150))*i; blue[i+R]=(-UpShifted(0.498535))*i; red[i+G]=(-UpShifted(0.969256))*i; green[i+G]=UpShifted(1.875992)*i; blue[i+G]=UpShifted(0.041556)*i; red[i+B]=UpShifted(0.055648)*i; green[i+B]=(-UpShifted(0.204043))*i; blue[i+B]=UpShifted(1.057311)*i; } break; } case YCbCrColorspace: { /* Initialize YCbCr tables: R = Y +1.370707*Cr G = Y-0.336453*Cb-0.698195*Cr B = Y+1.732445*Cb Cb and Cr, normally -0.5 through 0.5, must be normalized to the range 0 through MaxRGB. */ for (i=0; i <= MaxRGB; i++) { red[i+R]=UpShifted(1.000000)*i; green[i+R]=0; blue[i+R]=UpShifted(1.370707*0.5)*((i << 1)-MaxRGB); red[i+G]=UpShifted(1.000000)*i; green[i+G]=(-UpShifted(0.336453*0.5))*((i << 1)-MaxRGB); blue[i+G]=(-UpShifted(0.698195*0.5))*((i << 1)-MaxRGB); red[i+B]=UpShifted(1.000000)*i; green[i+B]=UpShifted(1.732445*0.5)*((i << 1)-MaxRGB); blue[i+B]=0; } break; } case YCCColorspace: { /* Initialize YCC tables: R = Y +1.340762*C2 G = Y-0.317038*C1-0.682243*C2 B = Y+1.632639*C1 YCC is scaled by 1.3584. C1 zero is 156 and C2 is at 137. */ for (i=0; i <= MaxRGB; i++) { red[i+R]=UpShifted(1.3584)*i; green[i+R]=0; blue[i+R]=UpShifted(1.8215)*(i-UpScale(137)); red[i+G]=UpShifted(1.3584)*i; green[i+G]=(-UpShifted(0.194*2.2179))*(i-UpScale(156)); blue[i+G]=(-UpShifted(0.509*1.8215))*(i-UpScale(137)); red[i+B]=UpShifted(1.3584)*i; green[i+B]=UpShifted(2.2179)*(i-UpScale(156)); blue[i+B]=0; range_table[i+(MaxRGB+1)]=(Quantum) UpScale(PCDMap[DownScale(i)]); } for ( ; i < UpScale(348); i++) range_table[i+(MaxRGB+1)]=(Quantum) UpScale(PCDMap[DownScale(i)]); break; } case YIQColorspace: { /* Initialize YIQ tables: R = 0.97087*Y+1.17782*I+0.59800*Q G = 0.97087*Y-0.28626*I-0.72851*Q B = 0.97087*Y-1.27870*I+1.72801*Q I and Q, normally -0.5 through 0.5, must be normalized to the range 0 through MaxRGB. */ for (i=0; i <= MaxRGB; i++) { red[i+R]=UpShifted(0.97087)*i; green[i+R]=UpShifted(1.17782*0.5)*((i << 1)-MaxRGB); blue[i+R]=UpShifted(0.59800*0.5)*((i << 1)-MaxRGB); red[i+G]=UpShifted(0.97087)*i; green[i+G]=(-UpShifted(0.28626*0.5))*((i << 1)-MaxRGB); blue[i+G]=(-UpShifted(0.72851*0.5))*((i << 1)-MaxRGB); red[i+B]=UpShifted(0.97087)*i; green[i+B]=(-UpShifted(1.27870*0.5))*((i << 1)-MaxRGB); blue[i+B]=UpShifted(1.72801*0.5)*((i << 1)-MaxRGB); } break; } case YPbPrColorspace: { /* Initialize YPbPr tables: R = Y +1.402000*C2 G = Y-0.344136*C1+0.714136*C2 B = Y+1.772000*C1 Pb and Pr, normally -0.5 through 0.5, must be normalized to the range 0 through MaxRGB. */ for (i=0; i <= MaxRGB; i++) { red[i+R]=UpShifted(1.000000)*i; green[i+R]=0; blue[i+R]=UpShifted(1.402000*0.5)*((i << 1)-MaxRGB); red[i+G]=UpShifted(1.000000)*i; green[i+G]=(-UpShifted(0.344136*0.5))*((i << 1)-MaxRGB); blue[i+G]=UpShifted(0.714136*0.5)*((i << 1)-MaxRGB); red[i+B]=UpShifted(1.000000)*i; green[i+B]=UpShifted(1.772000*0.5)*((i << 1)-MaxRGB); blue[i+B]=0; } break; } case YUVColorspace: default: { /* Initialize YUV tables: R = Y +1.13980*V G = Y-0.39380*U-0.58050*V B = Y+2.02790*U U and V, normally -0.5 through 0.5, must be normalized to the range 0 through MaxRGB. */ for (i=0; i <= MaxRGB; i++) { red[i+R]=UpShifted(1.00000)*i; green[i+R]=0; blue[i+R]=UpShifted(1.13980*0.5)*((i << 1)-MaxRGB); red[i+G]=UpShifted(1.00000)*i; green[i+G]=(-UpShifted(0.39380*0.5))*((i << 1)-MaxRGB); blue[i+G]=(-UpShifted(0.58050*0.5))*((i << 1)-MaxRGB); red[i+B]=UpShifted(1.00000)*i; green[i+B]=UpShifted(2.02790*0.5)*((i << 1)-MaxRGB); blue[i+B]=0; } break; } } /* Convert to RGB. */ switch (image->class) { case DirectClass: { /* Convert DirectClass image. */ p=image->pixels; for (i=0; i < image->packets; i++) { x=p->red; y=p->green; z=p->blue; p->red=range_limit[DownShift(red[x+R]+green[y+R]+blue[z+R])]; p->green=range_limit[DownShift(red[x+G]+green[y+G]+blue[z+G])]; p->blue=range_limit[DownShift(red[x+B]+green[y+B]+blue[z+B])]; p++; } break; } case PseudoClass: { /* Convert PseudoClass image. */ for (i=0; i < image->colors; i++) { x=image->colormap[i].red; y=image->colormap[i].green; z=image->colormap[i].blue; image->colormap[i].red= range_limit[DownShift(red[x+R]+green[y+R]+blue[z+R])]; image->colormap[i].green= range_limit[DownShift(red[x+G]+green[y+G]+blue[z+G])]; image->colormap[i].blue= range_limit[DownShift(red[x+B]+green[y+B]+blue[z+B])]; } p=image->pixels; for (i=0; i < image->packets; i++) { x=p->red; y=p->green; z=p->blue; p->red=range_limit[DownShift(red[x+R]+green[y+R]+blue[z+R])]; p->green=range_limit[DownShift(red[x+G]+green[y+G]+blue[z+G])]; p->blue=range_limit[DownShift(red[x+B]+green[y+B]+blue[z+B])]; p++; } break; } } /* Free allocated memory. */ free((char *) range_table); free((char *) blue); free((char *) green); free((char *) red); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % T r a n s p a r e n t I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function TransparentImage creates a matte image associated with the % image. All pixel locations are initially set to opaque. Any pixel % that matches the specified color are set to transparent. % % The format of the TransparentImage routine is: % % TransparentImage(image,color) % % A description of each parameter follows: % % o image: The address of a structure of type Image; returned from % ReadImage. % % o color: A character string that contain an X11 color string. % % */ void TransparentImage(image,color) Image *image; char *color; { #define DeltaX 16 register int i; Quantum blue, green, red; register RunlengthPacket *p; unsigned int status; XColor target_color; /* Determine RGB values of the transparent color. */ status=XQueryColorDatabase(color,&target_color); if (status == False) return; red=XDownScale(target_color.red); green=XDownScale(target_color.green); blue=XDownScale(target_color.blue); /* Make image color transparent. */ p=image->pixels; switch (image->class) { case DirectClass: { /* Make DirectClass image transparent. */ if (!image->matte) { /* Initialize image matte to opaque. */ for (i=0; i < image->packets; i++) { p->index=Opaque; p++; } image->matte=True; p=image->pixels; } for (i=0; i < image->packets; i++) { if (((int) p->red < (int) (red+DeltaX)) && ((int) p->red > (int) (red-DeltaX)) && ((int) p->green < (int) (green+DeltaX)) && ((int) p->green > (int) (green-DeltaX)) && ((int) p->blue < (int) (blue+DeltaX)) && ((int) p->blue > (int) (blue-DeltaX))) p->index=Transparent; p++; } break; } case PseudoClass: { double distance_squared, min_distance; int distance; register int index; /* Find closest color. */ min_distance=3.0*(MaxRGB+1)*(MaxRGB+1); index=0; for (i=0; i < image->colors; i++) { distance=(int) red-(int) image->colormap[i].red; distance_squared=(unsigned int) (distance*distance); distance=(int) green-(int) image->colormap[i].green; distance_squared+=(unsigned int) (distance*distance); distance=(int) blue-(int) image->colormap[i].blue; distance_squared+=(unsigned int) (distance*distance); if (distance_squared < min_distance) { min_distance=distance_squared; index=i; } } /* Make PseudoClass image transparent. */ image->class=DirectClass; image->matte=True; for (i=0; i < image->packets; i++) { if (p->index == index) p->index=Transparent; else p->index=Opaque; p++; } break; } } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % U n C o m p r e s s I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function UncompressImage uncompresses runlength-encoded pixels packets to % a rectangular array of pixels. % % The format of the UncompressImage routine is: % % status=UncompressImage(image) % % A description of each parameter follows: % % o status: Function UncompressImage returns True if the image is % uncompressed otherwise False. % % o image: The address of a structure of type Image. % % */ unsigned int UncompressImage(image) Image *image; { register int i, j, length; register RunlengthPacket *p, *q; RunlengthPacket *uncompressed_pixels; if (image->packets == (image->columns*image->rows)) return(True); /* Uncompress runlength-encoded packets. */ uncompressed_pixels=(RunlengthPacket *) realloc((char *) image->pixels, image->columns*image->rows*sizeof(RunlengthPacket)); if (uncompressed_pixels == (RunlengthPacket *) NULL) return(False); image->pixels=uncompressed_pixels; p=image->pixels+image->packets-1; q=uncompressed_pixels+image->columns*image->rows-1; for (i=0; i < image->packets; i++) { length=p->length; for (j=0; j <= length; j++) { *q=(*p); q->length=0; q--; } p--; } image->packets=image->columns*image->rows; return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % Z o o m I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ZoomImage creates a new image that is a integral size greater % than an existing one. It allocates the memory necessary for the new Image % structure and returns a pointer to the new image. % % ZoomImage scans the reference image to create a zoomed image by bilinear % interpolation. The zoomed image columns and rows become: % % number_columns << 1 % number_rows << 1 % % The format of the ZoomImage routine is: % % zoomed_image=ZoomImage(image) % % A description of each parameter follows: % % o zoomed_image: Function ZoomImage returns a pointer to the image after % zooming. A null image is returned if there is a a memory shortage. % % o image: The address of a structure of type Image. % % */ Image *ZoomImage(image) Image *image; { Image *zoomed_image; int y; register int x; register RunlengthPacket *p, *q, *r; /* Initialize zoomed image attributes. */ zoomed_image=CopyImage(image,image->columns << 1,image->rows << 1,False); if (zoomed_image == (Image *) NULL) { Warning("Unable to zoom image","Memory allocation failed"); return((Image *) NULL); } zoomed_image->class=DirectClass; /* Initialize zoom image pixels. */ p=image->pixels; image->runlength=p->length+1; q=zoomed_image->pixels; for (y=0; y < image->rows; y++) { for (x=0; x < image->columns; x++) { if (image->runlength != 0) image->runlength--; else { p++; image->runlength=p->length; } *q=(*p); q->length=0; q++; } q+=image->columns; } /* Zoom each row. */ for (y=0; y < image->rows; y++) { p=zoomed_image->pixels+(image->rows-1-y)*zoomed_image->columns+ (image->columns-1); q=zoomed_image->pixels+((image->rows-1-y) << 1)*zoomed_image->columns+ ((image->columns-1) << 1); *q=(*p); *(q+1)=(*(p)); for (x=1; x < image->columns; x++) { p--; q-=2; *q=(*p); (q+1)->red=(((int) p->red)+((int) (p+1)->red)+1) >> 1; (q+1)->green=(((int) p->green)+((int) (p+1)->green)+1) >> 1; (q+1)->blue=(((int) p->blue)+((int) (p+1)->blue)+1) >> 1; (q+1)->index=(((int) p->index)+((int) (p+1)->index)+1) >> 1; (q+1)->length=0; } } for (y=0; y < (image->rows-1); y++) { p=zoomed_image->pixels+(y << 1)*zoomed_image->columns; q=p+zoomed_image->columns; r=q+zoomed_image->columns; for (x=0; x < (image->columns-1); x++) { q->red=(((int) p->red)+((int) r->red)+1) >> 1; q->green=(((int) p->green)+((int) r->green)+1) >> 1; q->blue=(((int) p->blue)+((int) r->blue)+1) >> 1; q->index=(((int) p->index)+((int) r->index)+1) >> 1; q->length=0; (q+1)->red=(((int) p->red)+((int) (p+2)->red)+((int) r->red)+ ((int) (r+2)->red)+2) >> 2; (q+1)->green=(((int) p->green)+((int) (p+2)->green)+((int) r->green)+ ((int) (r+2)->green)+2) >> 2; (q+1)->blue=(((int) p->blue)+((int) (p+2)->blue)+((int) r->blue)+ ((int) (r+2)->blue)+2) >> 2; (q+1)->index=(((int) p->index)+((int) (p+2)->index)+((int) r->index)+ ((int) (r+2)->index)+2) >> 2; (q+1)->length=0; q+=2; p+=2; r+=2; } q->red=(((int) p->red)+((int) r->red)+1) >> 1; q->green=(((int) p->green)+((int) r->green)+1) >> 1; q->blue=(((int) p->blue)+((int) r->blue)+1) >> 1; q->index=(((int) p->index)+((int) r->index)+1) >> 1; q->length=0; p++; q++; r++; q->red=(((int) p->red)+((int) r->red)+1) >> 1; q->green=(((int) p->green)+((int) r->green)+1) >> 1; q->blue=(((int) p->blue)+((int) r->blue)+1) >> 1; q->index=(((int) p->index)+((int) r->index)+1) >> 1; q->length=0; p++; q++; r++; } p=zoomed_image->pixels+(2*image->rows-2)*zoomed_image->columns; q=zoomed_image->pixels+(2*image->rows-1)*zoomed_image->columns; for (x=0; x < image->columns; x++) { *q++=(*p++); *q++=(*p++); } return(zoomed_image); } % % T r a n s p a r e n t I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function TransparentImage creates a matte image as./ImageMagick/magick/encode.c010064400000240000024000010275530602535766200171530ustar00cristycristy00002330000007/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % EEEEE N N CCCC OOO DDDD EEEEE % % E NN N C O O D D E % % EEE N N N C O O D D EEE % % E N NN C O O D D E % % EEEEE N N CCCC OOO DDDD EEEEE % % % % % % Utility Routines to Write Image Formats % % % % % % % % Software Design % % John Cristy % % January 1992 % % % % % % Copyright 1995 E. I. du Pont de Nemours and Company % % % % Permission to use, copy, modify, distribute, and sell this software and % % its documentation for any purpose is hereby granted without fee, % % provided that the above Copyright notice appear in all copies and that % % both that Copyright notice and this permission notice appear in % % supporting documentation, and that the name of E. I. du Pont de Nemours % % and Company not be used in advertising or publicity pertaining to % % distribution of the software without specific, written prior % % permission. E. I. du Pont de Nemours and Company makes no representations % % about the suitability of this software for any purpose. It is provided % % "as is" without express or implied warranty. % % % % E. I. du Pont de Nemours and Company disclaims all warranties with regard % % to this software, including all implied warranties of merchantability % % and fitness, in no event shall E. I. du Pont de Nemours and Company be % % liable for any special, indirect or consequential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, negligence or other tortuous action, arising % % out of or in connection with the use or performance of this software. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Functions in this library convert to and from `alien' image formats to the % MIFF image format. % % */ /* Include declarations. */ #include "magick.h" #include "image.h" #include "compress.h" #include "utility.h" #include "X.h" #include "XWDFile.h" /* Define declarations. */ #define PrematureExit(message,image) \ { \ Warning(message,image->filename); \ return(False); \ } /* Forward declarations. */ static unsigned int WriteMIFFImage _Declare((ImageInfo *,Image *)); /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e A V S I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteAVSImage writes an image to a file in AVS X image format. % % The format of the WriteAVSImage routine is: % % status=WriteAVSImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteAVSImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteAVSImage(image_info,image) ImageInfo *image_info; Image *image; { typedef struct _AVSHeader { int width, height; } AVSHeader; AVSHeader avs_header; register int i, j; register RunlengthPacket *p; /* Open output image file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Initialize raster file header. */ avs_header.width=image->columns; avs_header.height=image->rows; (void) fwrite((char *) &avs_header,sizeof(AVSHeader),1,image->file); p=image->pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { (void) fputc(image->matte ? p->index : Opaque,image->file); (void) fputc(DownScale(p->red),image->file); (void) fputc(DownScale(p->green),image->file); (void) fputc(DownScale(p->blue),image->file); } p++; } CloseImage(image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e B M P I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteBMPImage writes an image in Microsoft Windows bitmap encoded % image format. % % The format of the WriteBMPImage routine is: % % status=WriteBMPImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteBMPImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteBMPImage(image_info,image) ImageInfo *image_info; Image *image; { typedef struct _BMPHeader { unsigned long file_size; unsigned short reserved[2]; unsigned long offset_bits, size, width, height; unsigned short planes, bit_count; unsigned long compression, image_size, x_pixels, y_pixels, number_colors, colors_important; } BMPHeader; BMPHeader bmp_header; register int i, j, x, y; register RunlengthPacket *p; register unsigned char *q; unsigned char *bmp_data, *bmp_pixels; unsigned int bytes_per_line; /* Open output image file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Initialize BMP raster file header. */ bmp_header.file_size=14+40; bmp_header.offset_bits=14+40; if (!IsPseudoClass(image) && !IsGrayImage(image)) { /* Full color BMP raster. */ bmp_header.bit_count=24; bmp_header.number_colors=0; } else { /* Colormapped BMP raster. */ bmp_header.bit_count=8; if (IsGrayImage(image) && (image->colors == 2)) bmp_header.bit_count=1; bmp_header.file_size+=4*(1 << bmp_header.bit_count); bmp_header.offset_bits+=4*(1 << bmp_header.bit_count); bmp_header.number_colors=1 << bmp_header.bit_count; } bmp_header.reserved[0]=0; bmp_header.reserved[1]=0; bmp_header.size=40; bmp_header.width=image->columns; bmp_header.height=image->rows; bmp_header.planes=1; bmp_header.compression=0; bytes_per_line=((image->columns*bmp_header.bit_count+31)/32)*4; bmp_header.image_size=bytes_per_line*image->rows; bmp_header.file_size+=bmp_header.image_size; bmp_header.x_pixels=75*39; bmp_header.y_pixels=75*39; bmp_header.colors_important=bmp_header.number_colors; /* Convert MIFF to BMP raster pixels. */ bmp_pixels=(unsigned char *) malloc(bmp_header.image_size*sizeof(unsigned char)); if (bmp_pixels == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); x=0; y=image->rows-1; switch (bmp_header.bit_count) { case 1: { register unsigned char bit, byte, polarity; /* Convert PseudoClass image to a BMP monochrome image. */ p=image->pixels; polarity=0; if (image->colors == 2) polarity=Intensity(image->colormap[1]) > Intensity(image->colormap[0]); bit=0; byte=0; q=bmp_pixels+y*bytes_per_line; for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { byte<<=1; if (p->index == polarity) byte|=0x01; bit++; if (bit == 8) { *q++=byte; bit=0; byte=0; } x++; if (x == image->columns) { /* Advance to the next scanline. */ if (bit != 0) *q++=byte << (8-bit); bit=0; byte=0; x=0; y--; q=bmp_pixels+y*bytes_per_line; } } p++; } break; } case 8: { /* Convert PseudoClass packet to BMP pixel. */ if (image->compression == RunlengthEncodedCompression) CompressImage(image); if (image->compression == RunlengthEncodedCompression) bytes_per_line=image->columns; p=image->pixels; q=bmp_pixels+y*bytes_per_line; for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { *q++=p->index; x++; if (x == image->columns) { x=0; y--; q=bmp_pixels+y*bytes_per_line; } } p++; } break; } case 24: { /* Convert DirectClass packet to BMP RGB pixel. */ p=image->pixels; q=bmp_pixels+y*bytes_per_line; for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { *q++=DownScale(p->blue); *q++=DownScale(p->green); *q++=DownScale(p->red); x++; if (x == image->columns) { x=0; y--; q=bmp_pixels+y*bytes_per_line; } } p++; } break; } } if (bmp_header.bit_count == 8) if (image->compression == RunlengthEncodedCompression) { unsigned int packets; /* Convert run-length encoded raster pixels. */ packets=(bytes_per_line*(bmp_header.height+2)+1) << 1; bmp_data=(unsigned char *) malloc(packets*sizeof(unsigned char)); if (bmp_pixels == (unsigned char *) NULL) { Warning("Memory allocation error",(char *) NULL); free((char *) bmp_pixels); return(False); } bmp_header.image_size= BMPEncodeImage(bmp_pixels,bmp_data,image->columns,image->rows); free((char *) bmp_pixels); bmp_pixels=bmp_data; bmp_header.compression=1; } /* Write BMP header. */ (void) fwrite("BM",1,2,image->file); LSBFirstWriteLong(bmp_header.file_size,image->file); LSBFirstWriteShort(bmp_header.reserved[0],image->file); LSBFirstWriteShort(bmp_header.reserved[1],image->file); LSBFirstWriteLong(bmp_header.offset_bits,image->file); LSBFirstWriteLong(bmp_header.size,image->file); LSBFirstWriteLong(bmp_header.width,image->file); LSBFirstWriteLong(bmp_header.height,image->file); LSBFirstWriteShort(bmp_header.planes,image->file); LSBFirstWriteShort(bmp_header.bit_count,image->file); LSBFirstWriteLong(bmp_header.compression,image->file); LSBFirstWriteLong(bmp_header.image_size,image->file); LSBFirstWriteLong(bmp_header.x_pixels,image->file); LSBFirstWriteLong(bmp_header.y_pixels,image->file); LSBFirstWriteLong(bmp_header.number_colors,image->file); LSBFirstWriteLong(bmp_header.colors_important,image->file); if (image->class == PseudoClass) { unsigned char *bmp_colormap; /* Dump colormap to file. */ bmp_colormap=(unsigned char *) malloc(4*(1 << bmp_header.bit_count)*sizeof(unsigned char)); if (bmp_colormap == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); q=bmp_colormap; for (i=0; i < image->colors; i++) { *q++=DownScale(image->colormap[i].blue); *q++=DownScale(image->colormap[i].green); *q++=DownScale(image->colormap[i].red); q++; } (void) fwrite((char *) bmp_colormap,4,1 << bmp_header.bit_count, image->file); free((char *) bmp_colormap); } (void) fwrite((char *) bmp_pixels,1,(int) bmp_header.image_size,image->file); free((char *) bmp_pixels); CloseImage(image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e C M Y K I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteCMYKImage writes an image to a file in cyan, magenta, % yellow, and black rasterfile format. % % The format of the WriteCMYKImage routine is: % % status=WriteCMYKImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteCMYKImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteCMYKImage(image_info,image) ImageInfo *image_info; Image *image; { float black_generation, undercolor; int black, cyan, magenta, yellow; register int i, j; register RunlengthPacket *p; /* Open output image file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Convert MIFF to CMYK raster pixels. */ undercolor=1.0; black_generation=1.0; if (image_info->undercolor != (char *) NULL) { (void) sscanf(image_info->undercolor,"%fx%f",&undercolor, &black_generation); if (black_generation == 1.0) black_generation=undercolor; } switch (image_info->interlace) { case NoneInterlace: default: { /* No interlacing: CMYKCMYKCMYKCMYKCMYKCMYK... */ p=image->pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { cyan=MaxRGB-p->red; magenta=MaxRGB-p->green; yellow=MaxRGB-p->blue; black=cyan; if (magenta < black) black=magenta; if (yellow < black) black=yellow; WriteQuantumFile((unsigned int) (cyan-undercolor*black)); WriteQuantumFile((unsigned int) (magenta-undercolor*black)); WriteQuantumFile((unsigned int) (yellow-undercolor*black)); WriteQuantumFile((unsigned int) (black_generation*black)); } p++; } break; } case LineInterlace: { register int x, y; /* Line interlacing: CCC...MMM...YYY...CCC...MMM...YYY... */ if (!UncompressImage(image)) return(False); for (y=0; y < image->rows; y++) { p=image->pixels+(y*image->columns); for (x=0; x < image->columns; x++) { cyan=MaxRGB-p->red; magenta=MaxRGB-p->green; yellow=MaxRGB-p->blue; black=cyan; if (magenta < black) black=magenta; if (yellow < black) black=yellow; WriteQuantumFile((unsigned int) (cyan-undercolor*black)); p++; } p=image->pixels+(y*image->columns); for (x=0; x < image->columns; x++) { cyan=MaxRGB-p->red; magenta=MaxRGB-p->green; yellow=MaxRGB-p->blue; black=cyan; if (magenta < black) black=magenta; if (yellow < black) black=yellow; WriteQuantumFile((unsigned int) (magenta-undercolor*black)); p++; } p=image->pixels+(y*image->columns); for (x=0; x < image->columns; x++) { cyan=MaxRGB-p->red; magenta=MaxRGB-p->green; yellow=MaxRGB-p->blue; black=cyan; if (magenta < black) black=magenta; if (yellow < black) black=yellow; WriteQuantumFile((unsigned int) (yellow-undercolor*black)); p++; } p=image->pixels+(y*image->columns); for (x=0; x < image->columns; x++) { cyan=MaxRGB-p->red; magenta=MaxRGB-p->green; yellow=MaxRGB-p->blue; black=cyan; if (magenta < black) black=magenta; if (yellow < black) black=yellow; WriteQuantumFile((unsigned int) (black_generation*black)); p++; } } break; } case PlaneInterlace: { /* Plane interlacing: CCCCCC...MMMMMM...YYYYYY...KKKKKK... */ p=image->pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { cyan=MaxRGB-p->red; magenta=MaxRGB-p->green; yellow=MaxRGB-p->blue; black=cyan; if (magenta < black) black=magenta; if (yellow < black) black=yellow; WriteQuantumFile((unsigned int) (cyan-undercolor*black)); } p++; } p=image->pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { cyan=MaxRGB-p->red; magenta=MaxRGB-p->green; yellow=MaxRGB-p->blue; black=cyan; if (magenta < black) black=magenta; if (yellow < black) black=yellow; WriteQuantumFile((unsigned int) (magenta-undercolor*black)); } p++; } p=image->pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { cyan=MaxRGB-p->red; magenta=MaxRGB-p->green; yellow=MaxRGB-p->blue; black=cyan; if (magenta < black) black=magenta; if (yellow < black) black=yellow; WriteQuantumFile((unsigned int) (yellow-undercolor*black)); } p++; } p=image->pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { cyan=MaxRGB-p->red; magenta=MaxRGB-p->green; yellow=MaxRGB-p->blue; black=cyan; if (magenta < black) black=magenta; if (yellow < black) black=yellow; WriteQuantumFile((unsigned int) (black_generation*black)); } p++; } break; } } CloseImage(image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e F A X I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Procedure WriteFAXImage writes an image to a file in 1 dimensional Huffman % encoded format. % % The format of the WriteFAXImage routine is: % % status=WriteFAXImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteFAXImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteFAXImage(image_info,image) ImageInfo *image_info; Image *image; { unsigned int status; /* Open output image file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Convert MIFF to monochrome. */ if (!IsGrayImage(image) || (image->colors != 2)) { QuantizeImage(image,2,8,image_info->dither,GRAYColorspace); SyncImage(image); } status=HuffmanEncodeImage(image); CloseImage(image); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e F I T S I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteFITSImage writes a Flexible Image Transport System image to a % file as gray scale intensities [0..255]. % % The format of the WriteFITSImage routine is: % % status=WriteFITSImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteFITSImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteFITSImage(image_info,image) ImageInfo *image_info; Image *image; { char buffer[81], *fits_header; register int i, j; register RunlengthPacket *p; /* Open output image file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Allocate image header. */ fits_header=(char *) malloc(2880*sizeof(unsigned char)); if (fits_header == (char *) NULL) PrematureExit("Unable to allocate memory",image); /* Initialize image header. */ for (i=0; i < 2880; i++) fits_header[i]=' '; (void) strcpy(buffer,"SIMPLE = T"); (void) strncpy(fits_header+0,buffer,strlen(buffer)); (void) strcpy(buffer,"BITPIX = 8"); (void) strncpy(fits_header+80,buffer,strlen(buffer)); (void) strcpy(buffer,"NAXIS = 2"); (void) strncpy(fits_header+160,buffer,strlen(buffer)); (void) sprintf(buffer,"NAXIS1 = %10u",image->columns); (void) strncpy(fits_header+240,buffer,strlen(buffer)); (void) sprintf(buffer,"NAXIS2 = %10u",image->rows); (void) strncpy(fits_header+320,buffer,strlen(buffer)); (void) strcpy(buffer,"HISTORY Created by ImageMagick."); (void) strncpy(fits_header+400,buffer,strlen(buffer)); (void) strcpy(buffer,"END"); (void) strncpy(fits_header+480,buffer,strlen(buffer)); (void) fwrite((char *) fits_header,1,2880,image->file); free((char *) fits_header); /* Convert image to fits scale PseudoColor class. */ p=image->pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) (void) fputc(DownScale(Intensity(*p)),image->file); p++; } CloseImage(image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e G I F I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteGIFImage writes an image to a file in the Compuserve Graphics % image format. % % The format of the WriteGIFImage routine is: % % status=WriteGIFImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteGIFImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteGIFImage(image_info,image) ImageInfo *image_info; Image *image; { register int i, x; register RunlengthPacket *p; unsigned char bits_per_pixel, c, *matte_image; unsigned int colors, status; /* Open output image file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); colors=256; matte_image=(unsigned char *) NULL; if (image->matte) { /* Allocate and initialize matte image. */ if (!UncompressImage(image)) return(False); p=image->pixels; matte_image=(unsigned char *) malloc(image->columns*image->rows*sizeof(unsigned char)); if (matte_image == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image) else for (x=0; x < (image->columns*image->rows); x++) { matte_image[x]=(unsigned char) (p->index & 0xff); p++; } colors--; } if ((image->class == DirectClass) || (image->colors > colors)) { /* Demote DirectClass to PseudoClass. */ QuantizeImage(image,colors,8,image_info->dither,RGBColorspace); SyncImage(image); if (!UncompressImage(image)) return(False); } colors=image->colors; if (matte_image != (unsigned char *) NULL) { CompressColormap(image); colors++; } for (bits_per_pixel=1; bits_per_pixel < 8; bits_per_pixel++) if ((1 << bits_per_pixel) >= colors) break; /* Write GIF header. */ if ((matte_image == (unsigned char *) NULL) && (image->comments == (char *) NULL)) (void) fwrite("GIF87a",1,6,image->file); else if (strcmp(image_info->magick,"GIF87") == 0) (void) fwrite("GIF87a",1,6,image->file); else (void) fwrite("GIF89a",1,6,image->file); LSBFirstWriteShort(image->columns,image->file); LSBFirstWriteShort(image->rows,image->file); c=0x80; /* global colormap */ c|=(8-1) << 4; /* color resolution */ c|=(bits_per_pixel-1); /* size of global colormap */ (void) fputc((char) c,image->file); (void) fputc(0x0,image->file); /* background color */ (void) fputc(0x0,image->file); /* reserved */ /* Write colormap. */ for (i=0; i < image->colors; i++) { (void) fputc(DownScale(image->colormap[i].red),image->file); (void) fputc(DownScale(image->colormap[i].green),image->file); (void) fputc(DownScale(image->colormap[i].blue),image->file); } if (matte_image != (unsigned char *) NULL) { /* Write color of transparent pixel. */ p=image->pixels; for (x=0; x < (image->columns*image->rows); x++) { if (matte_image[x] == Transparent) break; p++; } (void) fputc(DownScale(image->colormap[p->index].red),image->file); (void) fputc(DownScale(image->colormap[p->index].green),image->file); (void) fputc(DownScale(image->colormap[p->index].blue),image->file); i++; } for ( ; i < (int) (1 << bits_per_pixel); i++) { (void) fputc(0x0,image->file); (void) fputc(0x0,image->file); (void) fputc(0x0,image->file); } if (strcmp(image_info->magick,"GIF87") != 0) { if (image->comments != (char *) NULL) { register char *p; register unsigned int count; /* Write comment extension block. */ (void) fputc(0x21,image->file); (void) fputc(0xfe,image->file); p=image->comments; while ((int) strlen(p) > 0) { count=Min((int) strlen(p),255); (void) fputc(count,image->file); for (i=0; i < count; i++) (void) fputc(*p++,image->file); } (void) fputc(0x0,image->file); } if (matte_image != (unsigned char *) NULL) { /* Write out extension for transparent color index. */ (void) fputc(0x21,image->file); (void) fputc(0xf9,image->file); (void) fputc(0x4,image->file); (void) fputc(0x1,image->file); (void) fputc(0x0,image->file); (void) fputc(0x0,image->file); (void) fputc((char) image->colors,image->file); (void) fputc(0x0,image->file); /* Set transparent pixels to the transparent color index. */ p=image->pixels; for (x=0; x < (image->columns*image->rows); x++) { if (matte_image[x] == Transparent) p->index=image->colors; p++; } free((char *) matte_image); } } (void) fputc(',',image->file); /* image separator */ /* Write the image header. */ LSBFirstWriteShort(0,image->file); LSBFirstWriteShort(0,image->file); LSBFirstWriteShort(image->columns,image->file); LSBFirstWriteShort(image->rows,image->file); c=0x00; if (image_info->interlace != NoneInterlace) c|=0x40; /* pixel data is interlaced */ (void) fputc((char) c,image->file); c=Max(bits_per_pixel,2); (void) fputc((char) c,image->file); if (image_info->interlace == NoneInterlace) status=LZWEncodeImage(image,Max(bits_per_pixel,2)+1); else { Image *interlaced_image; int pass, y; register RunlengthPacket *q; static int interlace_rate[4] = { 8, 8, 4, 2 }, interlace_start[4] = { 0, 4, 2, 1 }; /* Interlace image. */ if (!UncompressImage(image)) return(False); image->orphan=True; interlaced_image=CopyImage(image,image->columns,image->rows,False); image->orphan=False; if (interlaced_image == (Image *) NULL) PrematureExit("Unable to allocate memory",image); p=image->pixels; q=interlaced_image->pixels; for (pass=0; pass < 4; pass++) { y=interlace_start[pass]; while (y < image->rows) { p=image->pixels+(y*image->columns); for (x=0; x < image->columns; x++) { *q=(*p); p++; q++; } y+=interlace_rate[pass]; } } interlaced_image->file=image->file; status=LZWEncodeImage(interlaced_image,Max(bits_per_pixel,2)+1); interlaced_image->file=(FILE *) NULL; DestroyImage(interlaced_image); } if (status == False) PrematureExit("Unable to allocate memory",image); (void) fputc(0x0,image->file); (void) fputc(';',image->file); /* terminator */ CloseImage(image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e G R A Y I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteGRAYImage writes an image to a file as gray scale intensity % values. % % The format of the WriteGRAYImage routine is: % % status=WriteGRAYImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteGRAYImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteGRAYImage(image_info,image) ImageInfo *image_info; Image *image; { register int i, j; register RunlengthPacket *p; /* Open output image file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Convert image to gray scale PseudoColor class. */ p=image->pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) WriteQuantumFile(Intensity(*p)); p++; } CloseImage(image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e H D F I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteHDFImage writes an image in the Hierarchial Data Format image % format. % % The format of the WriteHDFImage routine is: % % status=WriteHDFImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteHDFImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ #ifdef HasHDF static unsigned int WriteHDFImage(image_info,image) ImageInfo *image_info; Image *image; { #include "hdf.h" int status; register int i, j; register RunlengthPacket *p; register unsigned char *q; uint16 reference; unsigned char *hdf_pixels; unsigned int packet_size; /* Open output image file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); CloseImage(image); /* Initialize raster file header. */ packet_size=1; if (image->class == DirectClass) packet_size=3; hdf_pixels=(unsigned char *) malloc(packet_size*image->columns*image->rows*sizeof(unsigned char)); if (hdf_pixels == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); p=image->pixels; if (!IsPseudoClass(image) && !IsGrayImage(image)) { /* Convert DirectClass packet to HDF pixels. */ q=hdf_pixels; switch (image_info->interlace) { case NoneInterlace: default: { /* No interlacing: RGBRGBRGBRGBRGBRGB... */ for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { *q++=DownScale(p->red); *q++=DownScale(p->green); *q++=DownScale(p->blue); } p++; } break; } case LineInterlace: { register int x, y; /* Line interlacing: RRR...GGG...BBB...RRR...GGG...BBB... */ if (!UncompressImage(image)) return(False); for (y=0; y < image->rows; y++) { p=image->pixels+(y*image->columns); for (x=0; x < image->columns; x++) { *q++=DownScale(p->red); p++; } p=image->pixels+(y*image->columns); for (x=0; x < image->columns; x++) { *q++=DownScale(p->green); p++; } p=image->pixels+(y*image->columns); for (x=0; x < image->columns; x++) { *q++=DownScale(p->blue); p++; } } break; } case PlaneInterlace: { /* Plane interlacing: RRRRRR...GGGGGG...BBBBBB... */ for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) *q++=DownScale(p->red); p++; } p=image->pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) *q++=DownScale(p->green); p++; } p=image->pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) *q++=DownScale(p->blue); p++; } break; } } DF24setil(image_info->interlace-1); status=DF24putimage(image->filename,(void *) hdf_pixels,image->columns, image->rows); reference=DF24lastref(); } else { /* Convert PseudoClass packet to HDF pixels. */ q=hdf_pixels; if (IsGrayImage(image)) for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) *q++=DownScale(p->red); p++; } else { unsigned char *hdf_palette; hdf_palette=(unsigned char *) malloc(768*sizeof(unsigned char)); if (hdf_palette == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); q=hdf_palette; for (i=0; i < image->colors; i++) { *q++=DownScale(image->colormap[i].red); *q++=DownScale(image->colormap[i].green); *q++=DownScale(image->colormap[i].blue); } (void) DFR8setpalette(hdf_palette); free(hdf_palette); q=hdf_pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) *q++=p->index; p++; } } status=DFR8putimage(image->filename,(void *) hdf_pixels,image->columns, image->rows,image->compression == NoCompression ? 0 : 11); reference=DFR8lastref(); } if (image->label != (char *) NULL) (void) DFANputlabel(image->filename,DFTAG_RIG,reference,image->label); if (image->comments != (char *) NULL) (void) DFANputdesc(image->filename,DFTAG_RIG,reference,image->comments, strlen(image->comments)+1); free(hdf_pixels); return(status != -1); } #else static unsigned int WriteHDFImage(image_info,image) ImageInfo *image_info; Image *image; { unsigned int status; Warning("HDF library is not available",image->filename); status=WriteMIFFImage(image_info,image); return(status); } #endif /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e H I S T O G R A M I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteHISTOGRAMImage writes an image to a file in HISTOGRAM format. % The image shows a histogram of the color (or gray) values in the image. The % image consists of three overlaid histograms: a red one for the red channel, % a green one for the green channel, and a blue one for the blue channel. The % image comment contains a list of unique pixel values and the number of times % each occurs in the image. % % This routine is strongly based on a similiar one written by % muquit@warm.semcor.com which in turn is based on ppmhistmap of netpbm. % % The format of the WriteHISTOGRAMImage routine is: % % status=WriteHISTOGRAMImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteHISTOGRAMImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteHISTOGRAMImage(image_info,image) ImageInfo *image_info; Image *image; { #define HistogramDensity "256x200" char filename[MaxTextLength]; double scale; FILE *file; Image *histogram_image; int *blue, *green, maximum, *red, sans_offset; register RunlengthPacket *p, *q; register int i, j; unsigned int height, status, width; /* Allocate histogram image. */ (void) XParseGeometry(HistogramDensity,&sans_offset,&sans_offset, &width,&height); if (image_info->density != (char *) NULL) (void) XParseGeometry(image_info->density,&sans_offset,&sans_offset, &width,&height); image->orphan=True; histogram_image=CopyImage(image,width,height,False); image->orphan=False; if (histogram_image == (Image *) NULL) PrematureExit("Unable to allocate memory",image); histogram_image->class=DirectClass; /* Allocate histogram count arrays. */ red=(int *) malloc (histogram_image->columns*sizeof(int)); green=(int *) malloc (histogram_image->columns*sizeof(int)); blue=(int *) malloc (histogram_image->columns*sizeof(int)); if ((red == (int *) NULL) || (green == (int *) NULL) || (blue == (int *) NULL)) { DestroyImage(histogram_image); PrematureExit("Unable to allocate memory",image); } /* Initialize histogram count arrays. */ for (i=0; i < histogram_image->columns; i++) { red[i]=0; green[i]=0; blue[i]=0; } p=image->pixels; for (i=0; i < image->packets; i++) { red[DownScale(p->red)]+=(p->length+1); green[DownScale(p->green)]+=(p->length+1); blue[DownScale(p->blue)]+=(p->length+1); p++; } maximum=0; for (i=0; i < histogram_image->columns; i++) { if (maximum < red[i]) maximum=red[i]; if (maximum < green[i]) maximum=green[i]; if (maximum < blue[i]) maximum=blue[i]; } for (i=0; i < histogram_image->columns; i++) { if (red[i] > maximum) red[i]=maximum; if (green[i] > maximum) green[i]=maximum; if (blue[i] > maximum) blue[i]=maximum; } /* Initialize histogram image. */ q=histogram_image->pixels; for (i=0; i < histogram_image->packets; i++) { q->red=0; q->green=0; q->blue=0; q->index=0; q->length=0; q++; } scale=(double) histogram_image->rows/maximum; q=histogram_image->pixels; for(i=0; i < histogram_image->columns; i++) { j=histogram_image->rows-(int) (scale*red[i]); while (j < histogram_image->rows) { q=histogram_image->pixels+(j*histogram_image->columns+i); q->red=MaxRGB; j++; } j=histogram_image->rows-(int) (scale*green[i]); while (j < histogram_image->rows) { q=histogram_image->pixels+(j*histogram_image->columns+i); q->green=MaxRGB; j++; } j=histogram_image->rows-(int) (scale*blue[i]); while (j < histogram_image->rows) { q=histogram_image->pixels+(j*histogram_image->columns+i); q->blue=MaxRGB; j++; } } free ((char *) blue); free ((char *) green); free ((char *) red); TemporaryFilename(filename); file=fopen(filename,"w"); if (file != (FILE *) NULL) { char command[MaxTextLength]; /* Add a histogram as an image comment. */ (void) fprintf(file,"%s\n",image->comments); NumberColors(image,file); (void) fclose(file); (void) sprintf(command,"@%s",filename); CommentImage(histogram_image,command); (void) unlink(filename); } /* Write HISTOGRAM image as MIFF. */ status=WriteMIFFImage(image_info,histogram_image); DestroyImage(histogram_image); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e H T M L I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteHTMLImage writes an image in the HTML encoded image format. % % The format of the WriteHTMLImage routine is: % % status=WriteHTMLImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteHTMLImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteHTMLImage(image_info,image) ImageInfo *image_info; Image *image; { char color[MaxTextLength], filename[MaxTextLength]; int x, y; register char *p; unsigned int height, status, width; /* Open output image file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); (void) strcpy(filename,image->filename); (void) strcpy(image->filename,image->magick_filename); (void) fprintf(image->file,"\n"); (void) fprintf(image->file,"\n"); (void) fprintf(image->file,"%s\n",image->filename); (void) fprintf(image->file,"\n"); (void) fprintf(image->file,"\n"); (void) fprintf(image->file,"
\n"); (void) fprintf(image->file,"

%s

\n",image->filename); (void) fprintf(image->file,"

\n"); (void) strcpy(filename,image->filename); AppendImageFormat("gif",filename); (void) fprintf(image->file,"\n",filename); (void) fprintf(image->file,"
\n"); (void) fprintf(image->file,"

\n");
  DescribeImage(image,image->file,True);
  (void) fprintf(image->file,"
\n"); (void) fprintf(image->file,"\n"); status=fprintf(image->file,"\n"); CloseImage(image); if (image->montage != (char *) NULL) { /* Open image map. */ (void) strcpy(image->filename,filename); AppendImageFormat("map",image->filename); OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Determine the size and location of each image tile. */ x=0; y=0; width=image->columns; height=image->rows; (void) XParseGeometry(image->montage,&x,&y,&width,&height); /* Write an image map. */ (void) fprintf(image->file,"default default.html\n"); (void) fprintf(image->file,"rect "); for (p=image->directory; *p != '\0'; p++) if (*p != '\n') (void) fputc(*p,image->file); else { (void) fprintf(image->file," %d,%d %d,%d\n",x,y, x+width-1,y+height-1); if (*(p+1) != '\0') (void) fprintf(image->file,"rect "); x+=width; if (x >= image->columns) { x=0; y+=height; } } (void) sprintf(color,"#%02x%02x%02x",image->pixels[0].red, image->pixels[0].green,image->pixels[0].blue); TransparentImage(image,color); CloseImage(image); } if (strcmp(image_info->magick,"GIF") != 0) { /* Write the image as transparent GIF. */ AppendImageFormat("gif",image->filename); status|=WriteGIFImage(image_info,image); } (void) strcpy(image->filename,filename); return(status); } #ifdef HasJBIG #include "jbig.h" /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e J B I G I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteJBIGImage writes an image in the JBIG encoded image format. % % The format of the WriteJBIGImage routine is: % % status=WriteJBIGImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteJBIGImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ void JBIGEncode(start,length,file) unsigned char *start; size_t length; void *file; { (void) fwrite(start,length,1,(FILE *) file); return; } static unsigned int WriteJBIGImage(image_info,image) ImageInfo *image_info; Image *image; { int sans_offset; register int i, j; register RunlengthPacket *p; register unsigned char bit, *q; struct jbg_enc_state jbig_info; unsigned char *pixels, polarity; unsigned int byte, number_packets, x, x_resolution, y_resolution; /* Open image file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Allocate pixel data. */ number_packets=((image->columns+7) >> 3)*image->rows; pixels=(unsigned char *) malloc(number_packets*sizeof(unsigned char)); if (pixels == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); /* Convert Runlength encoded pixels to a bitmap. */ if (!IsGrayImage(image) || (image->colors != 2)) { QuantizeImage(image,2,8,image_info->dither,GRAYColorspace); SyncImage(image); } polarity=0; if (image->colors == 2) polarity=Intensity(image->colormap[0]) > Intensity(image->colormap[1]); bit=0; byte=0; x=0; p=image->pixels; q=pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { byte<<=1; if (p->index == polarity) byte|=0x01; bit++; if (bit == 8) { *q++=byte; bit=0; byte=0; } x++; if (x == image->columns) { /* Advance to the next scanline. */ if (bit != 0) *q++=byte << (8-bit); bit=0; byte=0; x=0; } } p++; } /* Initialize JBIG info structure. */ jbg_enc_init(&jbig_info,image->columns,image->rows,1,&pixels, (void (*) _Declare((unsigned char *,size_t,void *))) JBIGEncode, image->file); x_resolution=640; y_resolution=480; (void) XParseGeometry(image_info->density,&sans_offset,&sans_offset, &x_resolution,&y_resolution); if (image_info->subimage != 0) jbg_enc_layers(&jbig_info,image_info->subimage); else jbg_enc_lrlmax(&jbig_info,x_resolution,y_resolution); jbg_enc_lrange(&jbig_info,-1,-1); jbg_enc_options(&jbig_info,JBG_ILEAVE | JBG_SMID,JBG_TPDON | JBG_TPBON | JBG_DPON,-1,-1,-1); /* Write JBIG image. */ jbg_enc_out(&jbig_info); jbg_enc_free(&jbig_info); free((char *) pixels); CloseImage(image); return(True); } #else static unsigned int WriteJBIGImage(image_info,image) ImageInfo *image_info; Image *image; { unsigned int status; Warning("JBIG library is not available",image->filename); status=WriteMIFFImage(image_info,image); return(status); } #endif #ifdef HasJPEG #include "jpeglib.h" #include "jerror.h" static Image *image; /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e J P E G I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteJPEGImage writes a JPEG image file and returns it. It % allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % The format of the WriteJPEGImage routine is: % % status=WriteJPEGImage(image_info,image) % % A description of each parameter follows: % % o status: Function WriteJPEGImage return True if the image is written. % False is returned is there is of a memory shortage or if the image % file cannot be opened for writing. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o jpeg_image: A pointer to a Image structure. % % */ static void EmitMessage(jpeg_info,level) j_common_ptr jpeg_info; int level; { char message[JMSG_LENGTH_MAX]; struct jpeg_error_mgr *jpeg_error; jpeg_error=jpeg_info->err; (jpeg_error->format_message) (jpeg_info,message); if (level < 0) { if (jpeg_error->num_warnings == 0 || jpeg_error->trace_level >= 3) Warning((char *) message,image->filename); jpeg_error->num_warnings++; } else if (jpeg_error->trace_level >= level) Warning((char *) message,image->filename); } static unsigned int WriteJPEGImage(image_info,image) ImageInfo *image_info; Image *image; { JSAMPLE *jpeg_pixels; JSAMPROW scanline[1]; register int i, j, x; register JSAMPLE *q; register RunlengthPacket *p; struct jpeg_compress_struct jpeg_info; struct jpeg_error_mgr jpeg_error; unsigned int packets; /* Open image file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Initialize JPEG parameters. */ jpeg_info.err=jpeg_std_error(&jpeg_error); jpeg_info.err->emit_message=EmitMessage; jpeg_create_compress(&jpeg_info); jpeg_stdio_dest(&jpeg_info,image->file); jpeg_info.image_width=image->columns; jpeg_info.image_height=image->rows; jpeg_info.input_components=3; jpeg_info.in_color_space=JCS_RGB; if (IsGrayImage(image)) { jpeg_info.input_components=1; jpeg_info.in_color_space=JCS_GRAYSCALE; } jpeg_set_defaults(&jpeg_info); jpeg_set_quality(&jpeg_info,image_info->quality,True); jpeg_info.optimize_coding=True; #ifdef DCT_FLOAT_SUPPORTED jpeg_info.dct_method=JDCT_FLOAT; #endif jpeg_start_compress(&jpeg_info,True); if (image->comments != (char *) NULL) for (i=0; i < (int) strlen(image->comments); i+=65533) jpeg_write_marker(&jpeg_info,JPEG_COM,(unsigned char *) image->comments+i, (unsigned int) Min((int) strlen(image->comments+i),65533)); /* Convert MIFF to JPEG raster pixels. */ packets=jpeg_info.input_components*image->columns; jpeg_pixels=(JSAMPLE *) malloc(packets*sizeof(JSAMPLE)); if (jpeg_pixels == (JSAMPLE *) NULL) PrematureExit("Unable to allocate memory",image); p=image->pixels; q=jpeg_pixels; x=0; scanline[0]=(JSAMPROW) jpeg_pixels; if ((jpeg_info.data_precision > 8) && (QuantumDepth > 8)) { if (jpeg_info.in_color_space == JCS_GRAYSCALE) for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { *q++=(JSAMPLE) (Intensity(*p) >> 4); x++; if (x == image->columns) { (void) jpeg_write_scanlines(&jpeg_info,scanline,1); q=jpeg_pixels; x=0; } } p++; } else for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { *q++=(JSAMPLE) (p->red >> 4); *q++=(JSAMPLE) (p->green >> 4); *q++=(JSAMPLE) (p->blue >> 4); x++; if (x == image->columns) { (void) jpeg_write_scanlines(&jpeg_info,scanline,1); q=jpeg_pixels; x=0; } } p++; } } else if (jpeg_info.in_color_space == JCS_GRAYSCALE) for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { *q++=(JSAMPLE) DownScale(Intensity(*p)); x++; if (x == image->columns) { (void) jpeg_write_scanlines(&jpeg_info,scanline,1); q=jpeg_pixels; x=0; } } p++; } else for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { *q++=(JSAMPLE) DownScale(p->red); *q++=(JSAMPLE) DownScale(p->green); *q++=(JSAMPLE) DownScale(p->blue); x++; if (x == image->columns) { (void) jpeg_write_scanlines(&jpeg_info,scanline,1); q=jpeg_pixels; x=0; } } p++; } jpeg_finish_compress(&jpeg_info); /* Free memory. */ jpeg_destroy_compress(&jpeg_info); free((char *) jpeg_pixels); CloseImage(image); return(True); } #else static unsigned int WriteJPEGImage(image_info,image) ImageInfo *image_info; Image *image; { unsigned int status; Warning("JPEG library is not available",image->filename); status=WriteMIFFImage(image_info,image); return(status); } #endif /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e L O G O I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteLOGOImage writes an image in the LOGO encoded image format. % % The format of the WriteLOGOImage routine is: % % status=WriteLOGOImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteLOGOImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteLOGOImage(image_info,image) ImageInfo *image_info; Image *image; { unsigned int status; Warning("Cannot write LOGO images",image->filename); status=WriteMIFFImage(image_info,image); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e M A P I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteMAPImage writes an image to a file as red, green, and blue % colormap bytes followed by the colormap indexes. % % The format of the WriteMAPImage routine is: % % status=WriteMAPImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteMAPImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteMAPImage(image_info,image) ImageInfo *image_info; Image *image; { register int i; register unsigned char *q; unsigned char *colormap; unsigned int packet_size; unsigned short value; /* Open output image file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Allocate colormap. */ if (image->class == DirectClass) { /* Demote DirectClass to PseudoClass. */ QuantizeImage(image,MaxColormapSize,8,image_info->dither,RGBColorspace); SyncImage(image); } packet_size=3*(image->depth >> 3); colormap=(unsigned char *) malloc(packet_size*image->colors*sizeof(unsigned char)); if (colormap == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); /* Write colormap to file. */ q=colormap; for (i=0; i < image->colors; i++) { WriteQuantum(image->colormap[i].red,q); WriteQuantum(image->colormap[i].green,q); WriteQuantum(image->colormap[i].blue,q); } (void) fwrite((char *) colormap,1,(int) image->colors*packet_size, image->file); free((char *) colormap); /* Write image pixels to file. */ image->compression=NoCompression; (void) RunlengthEncodeImage(image); (void) fwrite((char *) image->packed_pixels,(int) image->packet_size, (int) image->packets,image->file); free((char *) image->packed_pixels); image->packed_pixels=(unsigned char *) NULL; CloseImage(image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e M A T T E I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteMATTEImage writes an mage of matte bytes to a file. It % consists of data from the matte component of the image [0..255]. % % The format of the WriteMATTEImage routine is: % % status=WriteMATTEImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteMATTEImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteMATTEImage(image_info,image) ImageInfo *image_info; Image *image; { register int i, j; register RunlengthPacket *p; if (!image->matte) PrematureExit("Image does not have a matte channel",image); /* Open output image file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Allocate matte pixels. */ p=image->pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) (void) fputc(DownScale(p->index),image->file); p++; } CloseImage(image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e M I F F I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteMIFFImage writes an image to a file. % % The format of the WriteMIFFImage routine is: % % status=WriteMIFFImage(image_info,image) % % A description of each parameter follows: % % o status: Function WriteMIFFImage return True if the image is written. % False is returned if there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteMIFFImage(image_info,image) ImageInfo *image_info; Image *image; { register int i; unsigned long packets; if ((image->class != DirectClass) && (image->class != PseudoClass)) PrematureExit("Unknown image class",image); if ((image->compression != RunlengthEncodedCompression) && (image->compression != QEncodedCompression) && (image->compression != NoCompression)) PrematureExit("Unknown image compression",image); /* Open output image file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); (void) strcpy(image_info->magick,"MIFF"); /* Pack image pixels. */ if (IsPseudoClass(image) && (image->compression == QEncodedCompression)) image->class=DirectClass; (void) RunlengthEncodeImage(image); packets=image->packets; if (image->compression == QEncodedCompression) { unsigned char *compressed_pixels; /* Compress image pixels with Q encoding. */ compressed_pixels=(unsigned char *) malloc((unsigned int) packets*image->packet_size*sizeof(unsigned char)); if (compressed_pixels == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); packets=QEncodeImage(image->packed_pixels,compressed_pixels, image->columns*(int) image->packet_size,image->rows); free((char *) image->packed_pixels); image->packed_pixels=compressed_pixels; image->packet_size=1; } if (image->class == PseudoClass) ColormapSignature(image); /* Write header to file. */ (void) fprintf(image->file,"id=ImageMagick\n"); if (image->class == PseudoClass) (void) fprintf(image->file,"class=PseudoClass colors=%u signature=%s\n", image->colors,image->signature); else if (image->matte) (void) fprintf(image->file,"class=DirectClass matte=True\n"); else (void) fprintf(image->file,"class=DirectClass\n"); if (image->compression == RunlengthEncodedCompression) (void) fprintf(image->file,"compression=RunlengthEncoded packets=%lu\n", packets); else if (image->compression == QEncodedCompression) (void) fprintf(image->file,"compression=QEncoded packets=%lu\n",packets); (void) fprintf(image->file,"columns=%u rows=%u depth=%u\n",image->columns, image->rows,image->depth); if (image->scene != 0) (void) fprintf(image->file,"scene=%u\n",image->scene); if (image->montage != (char *) NULL) (void) fprintf(image->file,"montage=%s\n",image->montage); if (image->comments != (char *) NULL) (void) fprintf(image->file,"{\n%s\n}\n",image->comments); (void) fprintf(image->file,"\f\n:\n"); if (image->montage != (char *) NULL) { /* Write montage tile directory. */ if (image->directory != (char *) NULL) (void) fprintf(image->file,"%s",image->directory); (void) fputc('\0',image->file); } if (image->class == PseudoClass) { register unsigned char *q; unsigned char *colormap; unsigned int packet_size; unsigned short value; /* Allocate colormap. */ packet_size=3*(image->depth >> 3); colormap=(unsigned char *) malloc(packet_size*image->colors*sizeof(unsigned char)); if (colormap == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); q=colormap; for (i=0; i < image->colors; i++) { WriteQuantum(image->colormap[i].red,q); WriteQuantum(image->colormap[i].green,q); WriteQuantum(image->colormap[i].blue,q); } /* Write colormap to file. */ (void) fwrite((char *) colormap,1,(int) image->colors*packet_size, image->file); free((char *) colormap); } /* Write image pixels to file. */ (void) fwrite((char *) image->packed_pixels,(int) image->packet_size, (int) packets,image->file); free((char *) image->packed_pixels); image->packed_pixels=(unsigned char *) NULL; CloseImage(image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e M P E G I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteMPEGImage writes an image in the MPEG encoded image format. % % The format of the WriteMPEGImage routine is: % % status=WriteMPEGImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteMPEGImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteMPEGImage(image_info,image) ImageInfo *image_info; Image *image; { unsigned int status; Warning("Cannot write MPEG images",image->filename); status=WriteMIFFImage(image_info,image); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e M T V I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteMTVImage writes an image to a file in red, green, and blue % MTV rasterfile format. % % The format of the WriteMTVImage routine is: % % status=WriteMTVImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteMTVImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteMTVImage(image_info,image) ImageInfo *image_info; Image *image; { register int i, j; register RunlengthPacket *p; /* Open output image file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Convert MIFF to MTV raster pixels. */ (void) fprintf(image->file,"%u %u\n",image->columns,image->rows); p=image->pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { (void) fputc(DownScale(p->red),image->file); (void) fputc(DownScale(p->green),image->file); (void) fputc(DownScale(p->blue),image->file); } p++; } CloseImage(image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e P C D I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WritePCDImage writes an image in the Photo CD encoded image % format. % % The format of the WritePCDImage routine is: % % status=WritePCDImage(image_info,image) % % A description of each parameter follows. % % o status: Function WritePCDImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WritePCDImage(image_info,image) ImageInfo *image_info; Image *image; { unsigned int status; Warning("Cannot write PCD images",image->filename); status=WriteMIFFImage(image_info,image); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e P C X I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WritePCXImage writes an image in the ZSoft IBM PC Paintbrush file % format. % % The format of the WritePCXImage routine is: % % status=WritePCXImage(image_info,image) % % A description of each parameter follows. % % o status: Function WritePCXImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WritePCXImage(image_info,image) ImageInfo *image_info; Image *image; { typedef struct _PCXHeader { unsigned char identifier, version, encoding, bits_per_pixel; short int left, top, right, bottom, horizontal_resolution, vertical_resolution; unsigned char reserved, planes; short int bytes_per_line, palette_info; unsigned char colormap_signature; } PCXHeader; PCXHeader pcx_header; register int i, j, x, y; register RunlengthPacket *p; register unsigned char *q; unsigned char count, packet, *pcx_colormap, *pcx_pixels, previous; /* Open output image file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Initialize PCX raster file header. */ if ((image->class == DirectClass) || (image->colors > 256)) { /* Demote DirectClass to PseudoClass. */ QuantizeImage(image,256,8,image_info->dither,RGBColorspace); SyncImage(image); } pcx_header.identifier=0x0a; pcx_header.version=5; pcx_header.encoding=1; pcx_header.bits_per_pixel=8; if (IsGrayImage(image) && (image->colors == 2)) pcx_header.bits_per_pixel=1; pcx_header.left=0; pcx_header.top=0; pcx_header.right=image->columns-1; pcx_header.bottom=image->rows-1; pcx_header.horizontal_resolution=image->columns; pcx_header.vertical_resolution=image->rows; pcx_header.reserved=0; pcx_header.planes=1; pcx_header.bytes_per_line=(image->columns*pcx_header.bits_per_pixel+7)/8; pcx_header.palette_info=1; pcx_header.colormap_signature=0x0c; /* Write PCX header. */ (void) fwrite(&pcx_header.identifier,1,1,image->file); (void) fwrite(&pcx_header.version,1,1,image->file); (void) fwrite(&pcx_header.encoding,1,1,image->file); (void) fwrite(&pcx_header.bits_per_pixel,1,1,image->file); LSBFirstWriteShort((unsigned int) pcx_header.left,image->file); LSBFirstWriteShort((unsigned int) pcx_header.top,image->file); LSBFirstWriteShort((unsigned int) pcx_header.right,image->file); LSBFirstWriteShort((unsigned int) pcx_header.bottom,image->file); LSBFirstWriteShort((unsigned int) pcx_header.horizontal_resolution, image->file); LSBFirstWriteShort((unsigned int) pcx_header.vertical_resolution,image->file); /* Dump colormap to file. */ pcx_colormap=(unsigned char *) malloc(3*256*sizeof(unsigned char)); if (pcx_colormap == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); q=pcx_colormap; for (i=0; i < image->colors; i++) { *q++=DownScale(image->colormap[i].red); *q++=DownScale(image->colormap[i].green); *q++=DownScale(image->colormap[i].blue); } (void) fwrite((char *) pcx_colormap,3,16,image->file); (void) fwrite(&pcx_header.reserved,1,1,image->file); (void) fwrite(&pcx_header.planes,1,1,image->file); LSBFirstWriteShort((unsigned int) pcx_header.bytes_per_line,image->file); LSBFirstWriteShort((unsigned int) pcx_header.palette_info,image->file); for (i=0; i < 58; i++) (void) fwrite("\0",1,1,image->file); /* Convert MIFF to PCX raster pixels. */ pcx_pixels=(unsigned char *) malloc(pcx_header.bytes_per_line*image->rows*sizeof(unsigned char)); if (pcx_pixels == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); x=0; y=0; p=image->pixels; q=pcx_pixels; if (pcx_header.bits_per_pixel > 1) for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { *q++=p->index; x++; if (x == image->columns) { x=0; y++; q=pcx_pixels+y*pcx_header.bytes_per_line; } } p++; } else { register unsigned char bit, byte, polarity; /* Convert PseudoClass image to a PCX monochrome image. */ polarity=0; if (image->colors == 2) polarity=Intensity(image->colormap[0]) < Intensity(image->colormap[1]); bit=0; byte=0; for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { byte<<=1; if (p->index == polarity) byte|=0x01; bit++; if (bit == 8) { *q++=byte; bit=0; byte=0; } x++; if (x == image->columns) { /* Advance to the next scanline. */ if (bit != 0) *q++=byte << (8-bit); bit=0; byte=0; x=0; y++; q=pcx_pixels+y*pcx_header.bytes_per_line; } } p++; } } /* Runlength-encoded PCX pixels. */ for (y=0; y < image->rows; y++) { q=pcx_pixels+y*pcx_header.bytes_per_line; previous=(*q++); count=1; for (x=0; x < (pcx_header.bytes_per_line-1); x++) { packet=(*q++); if ((packet == previous) && (count < 63)) { count++; continue; } if ((count > 1) || ((previous & 0xc0) == 0xc0)) { count|=0xc0; (void) fwrite(&count,1,1,image->file); } (void) fwrite(&previous,1,1,image->file); previous=packet; count=1; } if ((count > 1) || ((previous & 0xc0) == 0xc0)) { count|=0xc0; (void) fwrite(&count,1,1,image->file); } (void) fwrite(&previous,1,1,image->file); } (void) fwrite(&pcx_header.colormap_signature,1,1,image->file); (void) fwrite((char *) pcx_colormap,3,256,image->file); free((char *) pcx_pixels); free((char *) pcx_colormap); CloseImage(image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e P D F I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WritePDFImage writes an image in the Portable Document image % format. % % The format of the WritePDFImage routine is: % % status=WritePDFImage(image_info,image) % % A description of each parameter follows. % % o status: Function WritePDFImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WritePDFImage(image_info,image) ImageInfo *image_info; Image *image; { #define DefaultThumbnailGeometry "106x106" char date[MaxTextLength]; int delta_x, delta_y, flags, sans_offset, x, xref[15], y; Image encode_image, *tile_image; register RunlengthPacket *p; register unsigned char *q; register int i, j; time_t timer; unsigned char *pixels; unsigned int dx_resolution, dy_resolution, height, length, number_objects, number_packets, page_height, page_width, text_size, x_resolution, y_resolution, width; /* Open output image file. */ OpenImage(image,"w"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); if ((image->file == stdout) || image->pipe) { /* Write standard output or pipe to temporary file. */ encode_image=(*image); TemporaryFilename(image->filename); image->temporary=True; OpenImage(image,"w"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); } /* Scale image to size of Postscript page. */ text_size=image->label == (char *) NULL ? 0 : 36; x=0; y=0; width=image->columns; height=image->rows; /* Center image on Portable Document page. */ (void) XParseGeometry(PSPageGeometry,&x,&y,&page_width,&page_height); flags=XParseGeometry(image_info->page,&x,&y,&page_width,&page_height); if (((page_width-(x << 1)) < width) || ((page_height-(y << 1)-text_size) < height)) { unsigned long scale_factor; /* Scale image relative to Portable Document page. */ scale_factor=UpShift(page_width-(x << 1))/width; if (scale_factor > (UpShift(page_height-(y << 1)-text_size)/height)) scale_factor=UpShift(page_height-(y << 1)-text_size)/height; width=DownShift(width*scale_factor); height=DownShift(height*scale_factor); } if ((flags & XValue) == 0) { /* Center image in the X direction. */ delta_x=page_width-(width+(x << 1)); if (delta_x >= 0) x=(delta_x >> 1)+x; } if ((flags & YValue) == 0) { /* Center image in the X direction. */ delta_y=page_height-(height+(y << 1))-text_size; if (delta_y >= 0) y=(delta_y >> 1)+y; } /* Scale relative to dots-per-inch. */ (void) XParseGeometry(PSDensityGeometry,&sans_offset,&sans_offset, &dx_resolution,&dy_resolution); x_resolution=dx_resolution; y_resolution=dy_resolution; (void) XParseGeometry(image_info->density,&sans_offset,&sans_offset, &x_resolution,&y_resolution); width=(width*dx_resolution)/x_resolution; height=(height*dy_resolution)/y_resolution; /* Write Info object. */ (void) fprintf(image->file,"%%PDF-1.1 \n"); xref[0]=ftell(image->file); (void) fprintf(image->file,"1 0 obj\n"); (void) fprintf(image->file,"<<\n"); timer=time((time_t *) NULL); (void) localtime(&timer); (void) strcpy(date,ctime(&timer)); date[strlen(date)-1]='\0'; (void) fprintf(image->file,"/CreationDate (%s)\n",date); (void) fprintf(image->file,"/Producer ImageMagick\n"); (void) fprintf(image->file,">>\n"); (void) fprintf(image->file,"endobj\n"); /* Write Catalog object. */ xref[1]=ftell(image->file); (void) fprintf(image->file,"2 0 obj\n"); (void) fprintf(image->file,"<<\n"); (void) fprintf(image->file,"/Type /Catalog\n"); (void) fprintf(image->file,"/Pages 3 0 R\n"); (void) fprintf(image->file,">>\n"); (void) fprintf(image->file,"endobj\n"); /* Write Pages object. */ xref[2]=ftell(image->file); (void) fprintf(image->file,"3 0 obj\n"); (void) fprintf(image->file,"<<\n"); (void) fprintf(image->file,"/Type /Pages\n"); (void) fprintf(image->file,"/Count 1\n"); (void) fprintf(image->file,"/Kids [ 4 0 R ]\n"); (void) fprintf(image->file,">>\n"); (void) fprintf(image->file,"endobj\n"); /* Write Page object. */ xref[3]=ftell(image->file); (void) fprintf(image->file,"4 0 obj\n"); (void) fprintf(image->file,"<<\n"); (void) fprintf(image->file,"/Type /Page\n"); (void) fprintf(image->file,"/Parent 3 0 R\n"); (void) fprintf(image->file,"/Resources <<\n"); (void) fprintf(image->file,"/Font << /F0 8 0 R >>\n"); (void) fprintf(image->file,"/XObject << /Im0 9 0 R >>\n"); (void) fprintf(image->file,"/ProcSet 7 0 R >>\n"); (void) fprintf(image->file,"/MediaBox [ 0 0 %d %d ]\n", page_width,page_height); (void) fprintf(image->file,"/Contents 5 0 R\n"); (void) fprintf(image->file,"/Thumb 12 0 R\n"); (void) fprintf(image->file,">>\n"); (void) fprintf(image->file,"endobj\n"); /* Write Contents object. */ xref[4]=ftell(image->file); (void) fprintf(image->file,"5 0 obj\n"); (void) fprintf(image->file,"<<\n"); (void) fprintf(image->file,"/Length 6 0 R\n"); (void) fprintf(image->file,">>\n"); (void) fprintf(image->file,"stream\n"); length=ftell(image->file); (void) fprintf(image->file,"q\n"); (void) fprintf(image->file,"BT\n"); (void) fprintf(image->file,"/F0 24 Tf\n"); (void) fprintf(image->file,"%d %d Td\n",x >> 1,y+(int) height+(y >> 1)+12); if (image->label == (char *) NULL) (void) fprintf(image->file,"() Tj\n"); else (void) fprintf(image->file,"(%s) Tj\n",image->label); (void) fprintf(image->file,"ET\n"); (void) fprintf(image->file,"%d 0 0 %d %d %d cm\n",x+(int) width, y+(int) height,x >> 1,y >> 1); (void) fprintf(image->file,"/Im0 Do\n"); (void) fprintf(image->file,"Q\n"); length=ftell(image->file)-length; (void) fprintf(image->file,"endstream\n"); (void) fprintf(image->file,"endobj\n"); /* Write Length object. */ xref[5]=ftell(image->file); (void) fprintf(image->file,"6 0 obj\n"); (void) fprintf(image->file,"%d\n",length); (void) fprintf(image->file,"endobj\n"); /* Write Procset object. */ xref[6]=ftell(image->file); (void) fprintf(image->file,"7 0 obj\n"); if (!IsPseudoClass(image) && !IsGrayImage(image)) (void) fprintf(image->file,"[ /PDF /Text /ImageC"); else if (IsGrayImage(image) && (image->colors == 2)) (void) fprintf(image->file,"[ /PDF /Text /ImageB"); else (void) fprintf(image->file,"[ /PDF /Text /ImageI"); (void) fprintf(image->file," ]\n"); (void) fprintf(image->file,"endobj\n"); /* Write Font object. */ xref[7]=ftell(image->file); (void) fprintf(image->file,"8 0 obj\n"); (void) fprintf(image->file,"<<\n"); (void) fprintf(image->file,"/Type /Font\n"); (void) fprintf(image->file,"/Subtype /Type1\n"); (void) fprintf(image->file,"/Name /F0\n"); (void) fprintf(image->file,"/BaseFont /Helvetica\n"); (void) fprintf(image->file,"/Encoding /MacRomanEncoding\n"); (void) fprintf(image->file,">>\n"); (void) fprintf(image->file,"endobj\n"); /* Write XObject object. */ xref[8]=ftell(image->file); (void) fprintf(image->file,"9 0 obj\n"); (void) fprintf(image->file,"<<\n"); (void) fprintf(image->file,"/Type /XObject\n"); (void) fprintf(image->file,"/Subtype /Image\n"); (void) fprintf(image->file,"/Name /Im0\n"); if (image->compression == NoCompression) (void) fprintf(image->file,"/Filter /ASCII85Decode\n"); else (void) fprintf(image->file,"/Filter [ /ASCII85Decode /LZWDecode ]\n"); (void) fprintf(image->file,"/Width %u\n",image->columns); (void) fprintf(image->file,"/Height %u\n",image->rows); (void) fprintf(image->file,"/ColorSpace 11 0 R\n"); (void) fprintf(image->file,"/BitsPerComponent %d\n", IsGrayImage(image) && (image->colors == 2) ? 1 : 8); (void) fprintf(image->file,"/Length 10 0 R\n"); (void) fprintf(image->file,">>\n"); (void) fprintf(image->file,"stream\n"); length=ftell(image->file); p=image->pixels; if (!IsPseudoClass(image) && !IsGrayImage(image)) switch (image->compression) { case RunlengthEncodedCompression: default: { /* Allocate pixel array. */ number_packets=3*image->columns*image->rows; pixels=(unsigned char *) malloc(number_packets*sizeof(unsigned char)); if (pixels == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); /* Dump LZW encoded pixels. */ q=pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { if (image->matte && (p->index == Transparent)) { *q++=DownScale(MaxRGB); *q++=DownScale(MaxRGB); *q++=DownScale(MaxRGB); } else { *q++=DownScale(p->red); *q++=DownScale(p->green); *q++=DownScale(p->blue); } } p++; } (void) LZWEncodeFilter(image->file,pixels,number_packets); free((char *) pixels); break; } case NoCompression: { /* Dump uncompressed DirectColor packets. */ Ascii85Initialize(); for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { if (image->matte && (p->index == Transparent)) { Ascii85Encode(DownScale(MaxRGB),image->file); Ascii85Encode(DownScale(MaxRGB),image->file); Ascii85Encode(DownScale(MaxRGB),image->file); } else { Ascii85Encode(DownScale(p->red),image->file); Ascii85Encode(DownScale(p->green),image->file); Ascii85Encode(DownScale(p->blue),image->file); } } p++; } Ascii85Flush(image->file); break; } } else if (IsGrayImage(image) && (image->colors == 2)) { register unsigned char bit, byte, polarity; polarity=Intensity(image->colormap[0]) < Intensity(image->colormap[1]); bit=0; byte=0; x=0; switch (image->compression) { case RunlengthEncodedCompression: default: { /* Allocate pixel array. */ number_packets=((image->columns+7) >> 3)*image->rows; pixels=(unsigned char *) malloc(number_packets*sizeof(unsigned char)); if (pixels == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); /* Dump LZW encoded pixels. */ q=pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { byte<<=1; if (p->index == polarity) byte|=0x01; bit++; if (bit == 8) { *q++=byte; bit=0; byte=0; } x++; if (x == image->columns) { /* Advance to the next scanline. */ if (bit != 0) *q++=byte << (8-bit); bit=0; byte=0; x=0; y++; } } p++; } (void) LZWEncodeFilter(image->file,pixels,number_packets); free((char *) pixels); break; } case NoCompression: { /* Dump uncompressed PseudoColor packets. */ Ascii85Initialize(); for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { byte<<=1; if (p->index == polarity) byte|=0x01; bit++; if (bit == 8) { Ascii85Encode(byte,image->file); bit=0; byte=0; } x++; if (x == image->columns) { /* Advance to the next scanline. */ if (bit != 0) Ascii85Encode(byte << (8-bit),image->file); bit=0; byte=0; x=0; y++; } } p++; } Ascii85Flush(image->file); break; } } } else { /* Dump number of colors and colormap. */ switch (image->compression) { case RunlengthEncodedCompression: default: { /* Allocate pixel array. */ number_packets=image->columns*image->rows; pixels=(unsigned char *) malloc(number_packets*sizeof(unsigned char)); if (pixels == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); /* Dump LZW encoded pixels. */ q=pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) *q++=(unsigned char) p->index; p++; } (void) LZWEncodeFilter(image->file,pixels,number_packets); free((char *) pixels); break; } case NoCompression: { /* Dump uncompressed PseudoColor packets. */ Ascii85Initialize(); for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) Ascii85Encode((unsigned char) p->index,image->file); p++; } Ascii85Flush(image->file); break; } } } length=ftell(image->file)-length; (void) fprintf(image->file,"\nendstream\n"); (void) fprintf(image->file,"endobj\n"); /* Write Length object. */ xref[9]=ftell(image->file); (void) fprintf(image->file,"10 0 obj\n"); (void) fprintf(image->file,"%d\n",length); (void) fprintf(image->file,"endobj\n"); /* Write Colorspace object. */ xref[10]=ftell(image->file); (void) fprintf(image->file,"11 0 obj\n"); if (!IsPseudoClass(image) && !IsGrayImage(image)) (void) fprintf(image->file,"/DeviceRGB\n"); else if (IsGrayImage(image) && (image->colors == 2)) (void) fprintf(image->file,"/DeviceGray\n"); else (void) fprintf(image->file,"[ /Indexed /DeviceRGB %d 14 0 R ]\n", image->colors-1); (void) fprintf(image->file,"endobj\n"); /* Write Thumb object. */ image->orphan=True; ParseImageGeometry(DefaultThumbnailGeometry,&width,&height); if (image->class == PseudoClass) tile_image=SampleImage(image,width,height); else tile_image=ScaleImage(image,width,height); image->orphan=False; if (tile_image == (Image *) NULL) PrematureExit("Unable to allocate memory",image); xref[11]=ftell(image->file); (void) fprintf(image->file,"12 0 obj\n"); (void) fprintf(image->file,"<<\n"); if (image->compression == NoCompression) (void) fprintf(image->file,"/Filter /ASCII85Decode\n"); else (void) fprintf(image->file,"/Filter [ /ASCII85Decode /LZWDecode ]\n"); (void) fprintf(image->file,"/Width %u\n",tile_image->columns); (void) fprintf(image->file,"/Height %u\n",tile_image->rows); (void) fprintf(image->file,"/ColorSpace 11 0 R\n"); (void) fprintf(image->file,"/BitsPerComponent %d\n", IsGrayImage(tile_image) && (tile_image->colors == 2) ? 1 : 8); (void) fprintf(image->file,"/Length 13 0 R\n"); (void) fprintf(image->file,">>\n"); (void) fprintf(image->file,"stream\n"); length=ftell(image->file); p=tile_image->pixels; if (!IsPseudoClass(tile_image)) switch (tile_image->compression) { case RunlengthEncodedCompression: default: { /* Allocate pixel array. */ number_packets=3*tile_image->columns*tile_image->rows; pixels=(unsigned char *) malloc(number_packets*sizeof(unsigned char)); if (pixels == (unsigned char *) NULL) { DestroyImage(tile_image); PrematureExit("Unable to allocate memory",image); } /* Dump LZW encoded pixels. */ q=pixels; for (i=0; i < tile_image->packets; i++) { for (j=0; j <= (int) p->length; j++) { if (tile_image->matte && (p->index == Transparent)) { *q++=DownScale(MaxRGB); *q++=DownScale(MaxRGB); *q++=DownScale(MaxRGB); } else { *q++=DownScale(p->red); *q++=DownScale(p->green); *q++=DownScale(p->blue); } } p++; } (void) LZWEncodeFilter(image->file,pixels,number_packets); free((char *) pixels); break; } case NoCompression: { /* Dump uncompressed DirectColor packets. */ Ascii85Initialize(); for (i=0; i < tile_image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { if (tile_image->matte && (p->index == Transparent)) { Ascii85Encode(DownScale(MaxRGB),image->file); Ascii85Encode(DownScale(MaxRGB),image->file); Ascii85Encode(DownScale(MaxRGB),image->file); } else { Ascii85Encode(DownScale(p->red),image->file); Ascii85Encode(DownScale(p->green),image->file); Ascii85Encode(DownScale(p->blue),image->file); } } p++; } Ascii85Flush(image->file); break; } } else if (IsGrayImage(tile_image) && (tile_image->colors == 2)) { register unsigned char bit, byte, polarity; polarity=Intensity(tile_image->colormap[0]) < Intensity(tile_image->colormap[1]); bit=0; byte=0; x=0; switch (tile_image->compression) { case RunlengthEncodedCompression: default: { /* Allocate pixel array. */ number_packets=((tile_image->columns+7) >> 3)*tile_image->rows; pixels=(unsigned char *) malloc(number_packets*sizeof(unsigned char)); if (pixels == (unsigned char *) NULL) { DestroyImage(tile_image); PrematureExit("Unable to allocate memory",image); } /* Dump LZW encoded pixels. */ q=pixels; for (i=0; i < tile_image->packets; i++) { for (j=0; j <= (int) p->length; j++) { byte<<=1; if (p->index == polarity) byte|=0x01; bit++; if (bit == 8) { *q++=byte; bit=0; byte=0; } x++; if (x == tile_image->columns) { /* Advance to the next scanline. */ if (bit != 0) *q++=byte << (8-bit); bit=0; byte=0; x=0; y++; } } p++; } (void) LZWEncodeFilter(image->file,pixels,number_packets); free((char *) pixels); break; } case NoCompression: { /* Dump uncompressed PseudoColor packets. */ Ascii85Initialize(); for (i=0; i < tile_image->packets; i++) { for (j=0; j <= (int) p->length; j++) { byte<<=1; if (p->index == polarity) byte|=0x01; bit++; if (bit == 8) { Ascii85Encode(byte,image->file); bit=0; byte=0; } x++; if (x == tile_image->columns) { /* Advance to the next scanline. */ if (bit != 0) Ascii85Encode(byte << (8-bit),image->file); bit=0; byte=0; x=0; y++; } } p++; } Ascii85Flush(image->file); break; } } } else { /* Dump number of colors and colormap. */ switch (tile_image->compression) { case RunlengthEncodedCompression: default: { /* Allocate pixel array. */ number_packets=tile_image->columns*tile_image->rows; pixels=(unsigned char *) malloc(number_packets*sizeof(unsigned char)); if (pixels == (unsigned char *) NULL) { DestroyImage(tile_image); PrematureExit("Unable to allocate memory",image); } /* Dump LZW encoded pixels. */ q=pixels; for (i=0; i < tile_image->packets; i++) { for (j=0; j <= (int) p->length; j++) *q++=(unsigned char) p->index; p++; } (void) LZWEncodeFilter(image->file,pixels,number_packets); free((char *) pixels); break; } case NoCompression: { /* Dump uncompressed PseudoColor packets. */ Ascii85Initialize(); for (i=0; i < tile_image->packets; i++) { for (j=0; j <= ((int) p->length); j++) Ascii85Encode((unsigned char) p->index,image->file); p++; } Ascii85Flush(image->file); break; } } } DestroyImage(tile_image); length=ftell(image->file)-length; (void) fprintf(image->file,"\nendstream\n"); (void) fprintf(image->file,"endobj\n"); /* Write Length object. */ xref[12]=ftell(image->file); (void) fprintf(image->file,"13 0 obj\n"); (void) fprintf(image->file,"%d\n",length); (void) fprintf(image->file,"endobj\n"); number_objects=13; if (image->class == PseudoClass) if (!IsGrayImage(image) || (image->colors != 2)) { /* Write Colormap object. */ number_objects+=2; xref[13]=ftell(image->file); (void) fprintf(image->file,"14 0 obj\n"); (void) fprintf(image->file,"<<\n"); (void) fprintf(image->file,"/Filter /ASCII85Decode \n"); (void) fprintf(image->file,"/Length 15 0 R\n"); (void) fprintf(image->file,">>\n"); (void) fprintf(image->file,"stream\n"); length=ftell(image->file); Ascii85Initialize(); for (i=0; i < image->colors; i++) { Ascii85Encode(DownScale(image->colormap[i].red),image->file); Ascii85Encode(DownScale(image->colormap[i].green),image->file); Ascii85Encode(DownScale(image->colormap[i].blue),image->file); } Ascii85Flush(image->file); length=ftell(image->file)-length; (void) fprintf(image->file,"\nendstream\n"); (void) fprintf(image->file,"endobj\n"); /* Write Length object. */ xref[14]=ftell(image->file); (void) fprintf(image->file,"15 0 obj\n"); (void) fprintf(image->file,"%d\n",length); (void) fprintf(image->file,"endobj\n"); } /* Write Xref object. */ length=ftell(image->file)-xref[0]+10; (void) fprintf(image->file,"xref\n"); (void) fprintf(image->file,"0 %d\n",number_objects+1); (void) fprintf(image->file,"0000000000 65535 f \n"); for (i=0; i < number_objects; i++) (void) fprintf(image->file,"%010d 00000 n \n",xref[i]); (void) fprintf(image->file,"trailer\n"); (void) fprintf(image->file,"<<\n"); (void) fprintf(image->file,"/Size %d\n",number_objects+1); (void) fprintf(image->file,"/Info 1 0 R\n"); (void) fprintf(image->file,"/Root 2 0 R\n"); (void) fprintf(image->file,">>\n"); (void) fprintf(image->file,"startxref\n"); (void) fprintf(image->file,"%d\n",length); (void) fprintf(image->file,"%%%%EOF\n"); CloseImage(image); if (image->temporary) { FILE *file; int c; /* Copy temporary file to standard output or pipe. */ file=fopen(image->filename,"rb"); if (file == (FILE *) NULL) PrematureExit("Unable to open file",image); c=fgetc(file); while (c != EOF) { (void) putc(c,encode_image.file); c=fgetc(file); } (void) fclose(file); (void) unlink(image->filename); CloseImage(&encode_image); } return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e P I C T I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WritePICTImage writes an image to a file in the Apple Macintosh % QuickDraw/PICT image format. % % The format of the WritePICTImage routine is: % % status=WritePICTImage(image_info,image) % % A description of each parameter follows. % % o status: Function WritePICTImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WritePICTImage(image_info,image) ImageInfo *image_info; Image *image; { #define MaxCount 128 #define PictCropRegionOp 0x01 #define PictEndOfPictureOp 0xff #define PictHeaderOp 0x0C00 #define PictHeaderSize 512 #define PictPixmapOp 0x9A #define PictPackbitsOp 0x98 #define PictVersion 0x11 typedef struct _PICTRectangle { unsigned short top, left, bottom, right; } PICTRectangle; typedef struct _PICTPixmap { unsigned short base_address, row_bytes; PICTRectangle bounds; unsigned short version, pack_type; unsigned long pack_size, horizontal_resolution, vertical_resolution; unsigned short pixel_type, pixel_size, component_count, component_size; unsigned short plane_bytes, table, reserved; } PICTPixmap; int count; PICTPixmap pixmap; PICTRectangle crop_rectangle, destination_rectangle, frame_rectangle, size_rectangle, source_rectangle; register int i, j, x; register RunlengthPacket *p; unsigned char *buffer, *packed_scanline, *scanline; unsigned int bytes_per_line; unsigned short transfer_mode; unsigned long horizontal_resolution, vertical_resolution; /* Open output image file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Allocate memory. */ bytes_per_line=image->columns; if (image->class == DirectClass) bytes_per_line*=3; buffer=(unsigned char *) malloc(PictHeaderSize*sizeof(unsigned char)); packed_scanline=(unsigned char *) malloc((bytes_per_line+bytes_per_line/MaxCount+1)*sizeof(unsigned char)); scanline=(unsigned char *) malloc(bytes_per_line*sizeof(unsigned char)); if ((buffer == (unsigned char *) NULL) || (packed_scanline == (unsigned char *) NULL) || (scanline == (unsigned char *) NULL)) PrematureExit("Unable to allocate memory",image); /* Initialize image info. */ size_rectangle.top=0; size_rectangle.left=0; size_rectangle.right=image->rows; size_rectangle.bottom=image->columns; frame_rectangle=size_rectangle; crop_rectangle=size_rectangle; source_rectangle=size_rectangle; destination_rectangle=size_rectangle; horizontal_resolution=0x00480000; vertical_resolution=0x00480000; pixmap.base_address=0xff; pixmap.row_bytes= ((image->class == DirectClass ? 4 : 1)*image->columns) | 0x8000; pixmap.version=0; pixmap.bounds.top=0; pixmap.bounds.left=0; pixmap.bounds.right=image->rows; pixmap.bounds.bottom=image->columns; pixmap.pack_type=(image->class == DirectClass ? 0x4 : 0x0); pixmap.pack_size=0; pixmap.horizontal_resolution=horizontal_resolution; pixmap.vertical_resolution=vertical_resolution; pixmap.pixel_type=(image->class == DirectClass ? 16 : 0); pixmap.pixel_size=(image->class == DirectClass ? 32 : 8); pixmap.component_count=(image->class == DirectClass ? 3 : 1); pixmap.component_size=8; pixmap.plane_bytes=0; pixmap.table=0; pixmap.reserved=0; transfer_mode=(image->class == DirectClass ? 0x40 : 0); /* Write header, header size, size bounding box, version, and reserved. */ for (i=0; i < PictHeaderSize; i++) buffer[i]=0; (void) fwrite((char *) buffer,1,PictHeaderSize,image->file); MSBFirstWriteShort(0,image->file); MSBFirstWriteShort(size_rectangle.top,image->file); MSBFirstWriteShort(size_rectangle.left,image->file); MSBFirstWriteShort(size_rectangle.right,image->file); MSBFirstWriteShort(size_rectangle.bottom,image->file); MSBFirstWriteShort(PictVersion,image->file); MSBFirstWriteShort(0x02FF,image->file); MSBFirstWriteShort(PictHeaderOp,image->file); /* Write full size of the file, resolution, frame bounding box, and reserved. */ MSBFirstWriteLong(0xFFFE0000L,image->file); MSBFirstWriteLong(horizontal_resolution,image->file); MSBFirstWriteLong(vertical_resolution,image->file); MSBFirstWriteShort(frame_rectangle.top,image->file); MSBFirstWriteShort(frame_rectangle.left,image->file); MSBFirstWriteShort(frame_rectangle.right,image->file); MSBFirstWriteShort(frame_rectangle.bottom,image->file); MSBFirstWriteLong(0L,image->file); /* Write crop region opcode and crop bounding box. */ MSBFirstWriteShort(PictCropRegionOp,image->file); MSBFirstWriteShort(0xA,image->file); MSBFirstWriteShort(crop_rectangle.top,image->file); MSBFirstWriteShort(crop_rectangle.left,image->file); MSBFirstWriteShort(crop_rectangle.right,image->file); MSBFirstWriteShort(crop_rectangle.bottom,image->file); /* Write picture opcode, row bytes, and picture bounding box, and version. */ if (image->class == PseudoClass) MSBFirstWriteShort(PictPackbitsOp,image->file); else { MSBFirstWriteShort(PictPixmapOp,image->file); MSBFirstWriteLong((unsigned long) pixmap.base_address,image->file); } MSBFirstWriteShort(pixmap.row_bytes | 0x8000,image->file); MSBFirstWriteShort(pixmap.bounds.top,image->file); MSBFirstWriteShort(pixmap.bounds.left,image->file); MSBFirstWriteShort(pixmap.bounds.right,image->file); MSBFirstWriteShort(pixmap.bounds.bottom,image->file); MSBFirstWriteShort(pixmap.version,image->file); /* Write pack type, pack size, resolution, pixel type, and pixel size. */ MSBFirstWriteShort(pixmap.pack_type,image->file); MSBFirstWriteLong(pixmap.pack_size,image->file); MSBFirstWriteLong(pixmap.horizontal_resolution,image->file); MSBFirstWriteLong(pixmap.vertical_resolution,image->file); MSBFirstWriteShort(pixmap.pixel_type,image->file); MSBFirstWriteShort(pixmap.pixel_size,image->file); /* Write component count, size, plane bytes, table size, and reserved. */ MSBFirstWriteShort(pixmap.component_count,image->file); MSBFirstWriteShort(pixmap.component_size,image->file); MSBFirstWriteLong((unsigned long) pixmap.plane_bytes,image->file); MSBFirstWriteLong((unsigned long) pixmap.table,image->file); MSBFirstWriteLong((unsigned long) pixmap.reserved,image->file); if (image->class == PseudoClass) { unsigned short red, green, blue; /* Write image colormap. */ MSBFirstWriteLong(0L,image->file); /* color seed */ MSBFirstWriteShort(0L,image->file); /* color flags */ MSBFirstWriteShort((unsigned short) (image->colors-1),image->file); for (i=0; i < image->colors; i++) { red=(image->colormap[i].red*65535U)/MaxRGB; green=(image->colormap[i].green*65535U)/MaxRGB; blue=(image->colormap[i].blue*65535U)/MaxRGB; MSBFirstWriteShort((unsigned int) i,image->file); MSBFirstWriteShort(red,image->file); MSBFirstWriteShort(green,image->file); MSBFirstWriteShort(blue,image->file); } } /* Write source and destination rectangle. */ MSBFirstWriteShort(source_rectangle.top,image->file); MSBFirstWriteShort(source_rectangle.left,image->file); MSBFirstWriteShort(source_rectangle.right,image->file); MSBFirstWriteShort(source_rectangle.bottom,image->file); MSBFirstWriteShort(destination_rectangle.top,image->file); MSBFirstWriteShort(destination_rectangle.left,image->file); MSBFirstWriteShort(destination_rectangle.right,image->file); MSBFirstWriteShort(destination_rectangle.bottom,image->file); MSBFirstWriteShort(transfer_mode,image->file); /* Write picture data. */ count=0; x=0; p=image->pixels; if (image->class == PseudoClass) { register unsigned char *index; index=scanline; for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { *index++=(unsigned char) p->index; x++; if (x == image->columns) { count+=PackbitsEncodeImage(image,scanline,packed_scanline); index=scanline; x=0; } } p++; } } else { register unsigned char *blue, *red, *green; red=scanline; green=scanline+image->columns; blue=scanline+(image->columns << 1); for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { *red++=DownScale(p->red); *green++=DownScale(p->green); *blue++=DownScale(p->blue); x++; if (x == image->columns) { red=scanline; green=scanline+image->columns; blue=scanline+(image->columns << 1); count+=PackbitsEncodeImage(image,red,packed_scanline); x=0; } } p++; } } if (count & 0x1) (void) fputc('\0',image->file); MSBFirstWriteShort(PictEndOfPictureOp,image->file); free((char *) scanline); free((char *) packed_scanline); free((char *) buffer); CloseImage(image); return(True); } #ifdef HasPNG #include "png.h" /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e P N G I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WritePNGImage writes an image in the Portable Network Graphics % encoded image format. % % The format of the WritePNGImage routine is: % % status=WritePNGImage(image_info,image) % % A description of each parameter follows. % % o status: Function WritePNGImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WritePNGImage(image_info,image) ImageInfo *image_info; Image *image; { int length; register int i, j; register RunlengthPacket *p; register unsigned char *q; png_info *ping_info; png_struct *ping; unsigned char *png_pixels, **scanlines; unsigned int bytes_per_line, x, y; unsigned short value; /* Open image file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Allocate the PNG structures */ ping=(png_struct *) malloc(sizeof(png_struct)); ping_info=(png_info *) malloc(sizeof(png_info)); if ((ping == (png_struct *) NULL) || (ping_info == (png_info *) NULL)) PrematureExit("Unable to allocate memory",image); /* Prepare PNG for writing. */ png_info_init(ping_info); png_write_init(ping); png_init_io(ping,image->file); ping_info->width=image->columns; ping_info->height=image->rows; ping_info->bit_depth=8; if ((image->class == DirectClass) && (image->depth == 16)) ping_info->bit_depth=16; ping_info->color_type=PNG_COLOR_TYPE_RGB; if (image->matte) ping_info->color_type=PNG_COLOR_TYPE_RGB_ALPHA; ping_info->bit_depth=image->depth; ping_info->num_palette=0; if (IsGrayImage(image)) ping_info->color_type=PNG_COLOR_TYPE_GRAY; else if ((image->class == PseudoClass) && (image->colors <= 256)) { /* Set image palette. */ ping_info->color_type=PNG_COLOR_TYPE_PALETTE; ping_info->num_palette=image->colors; ping_info->valid|=PNG_INFO_PLTE; ping_info->palette=(png_color *) malloc(image->columns*sizeof(png_color)); if (ping_info->palette == (png_color *) NULL) PrematureExit("Unable to allocate memory",image); for (i=0; i < image->colors; i++) { ping_info->palette[i].red=DownScale(image->colormap[i].red); ping_info->palette[i].green=DownScale(image->colormap[i].green); ping_info->palette[i].blue=DownScale(image->colormap[i].blue); } ping_info->bit_depth=1; while ((1 << ping_info->bit_depth) < image->colors) ping_info->bit_depth<<=1; } ping_info->interlace_type=image_info->interlace != NoneInterlace; png_write_info(ping,ping_info); png_set_packing(ping); /* Allocate memory. */ bytes_per_line= Max((int) ping_info->bit_depth >> 3,1)*ping->channels*image->columns; png_pixels=(unsigned char *) malloc(bytes_per_line*image->rows*sizeof(unsigned char)); scanlines=(unsigned char **) malloc(image->rows*sizeof(unsigned char *)); if ((png_pixels == (unsigned char *) NULL) || (scanlines == (unsigned char **) NULL)) PrematureExit("Unable to allocate memory",image); /* Initialize image scanlines. */ for (i=0; i < image->rows; i++) scanlines[i]=png_pixels+(bytes_per_line*i); x=0; y=0; p=image->pixels; q=scanlines[y]; if (IsGrayImage(image)) for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { WriteQuantum(Intensity(*p),q); x++; if (x == image->columns) { x=0; y++; q=scanlines[y]; } } p++; } else if ((image->class == DirectClass) || (image->colors > 256)) for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { WriteQuantum(p->red,q); WriteQuantum(p->green,q); WriteQuantum(p->blue,q); if (image->matte) WriteQuantum(p->index,q); x++; if (x == image->columns) { x=0; y++; q=scanlines[y]; } } p++; } else for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { *q++=p->index; x++; if (x == image->columns) { x=0; y++; q=scanlines[y]; } } p++; } /* Write image scanlines. */ png_write_image(ping,scanlines); if (image->comments != (char *) NULL) { /* Write image comment. */ length=strlen(image->comments); if (length < MaxTextLength) (void) png_write_tEXt(ping,"Comment",image->comments,length); else (void) png_write_zTXt(ping,"Comment",image->comments,length,0); } png_write_end(ping,ping_info); /* Free memory. */ png_write_destroy(ping); if (ping->palette) free(ping->palette); free(ping); free(ping_info); CloseImage(image); return(True); } #else static unsigned int WritePNGImage(image_info,image) ImageInfo *image_info; Image *image; { unsigned int status; Warning("PNG library is not available",image->filename); status=WriteMIFFImage(image_info,image); return(status); } #endif /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e P N M I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Procedure WritePNMImage writes an image to a file in the PNM rasterfile % format. % % The format of the WritePNMImage routine is: % % status=WritePNMImage(image_info,image) % % A description of each parameter follows. % % o status: Function WritePNMImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WritePNMImage(image_info,image) ImageInfo *image_info; Image *image; { #define MaxRawValue 255 register int i, j; register RunlengthPacket *p; unsigned char format; /* Open output image file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Promote/Demote image based on image type. */ if (strcmp(image_info->magick,"PPM") == 0) image->class=DirectClass; else if (strcmp(image_info->magick,"PGM") == 0) RGBTransformImage(image,GRAYColorspace); else if (strcmp(image_info->magick,"PBM") == 0) if (!IsGrayImage(image) || (image->colors != 2)) { QuantizeImage(image,2,8,image_info->dither,GRAYColorspace); SyncImage(image); } /* Write PNM file header. */ if (!IsPseudoClass(image) && !IsGrayImage(image)) { /* Full color PNM image. */ format='6'; if (MaxRGB > MaxRawValue) format='3'; } else { /* Colormapped PNM image. */ format='6'; if (MaxRGB > MaxRawValue) format='3'; if (IsGrayImage(image) && (strcmp(image_info->magick,"PPM") != 0)) { /* Grayscale PNM image. */ format='5'; if (MaxRGB > MaxRawValue) format='2'; if (strcmp(image_info->magick,"PGM") != 0) if (image->colors == 2) format='4'; } } (void) fprintf(image->file,"P%c\n",format); if (image->comments != (char *) NULL) { register char *p; /* Write comments to file. */ (void) fprintf(image->file,"# "); for (p=image->comments; *p != '\0'; p++) { (void) fputc(*p,image->file); if (*p == '\n') (void) fprintf(image->file,"# "); } (void) fputc('\n',image->file); } (void) fprintf(image->file,"%u %u\n",image->columns,image->rows); /* Convert MIFF to PNM raster pixels. */ p=image->pixels; switch (format) { case '2': { register int x; /* Convert image to a PGM image. */ (void) fprintf(image->file,"%d\n",MaxRGB); x=0; for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { (void) fprintf(image->file,"%5d ",p->red); x++; if (x == 12) { (void) fprintf(image->file,"\n"); x=0; } } p++; } break; } case '3': { register int x; /* Convert image to a PNM image. */ (void) fprintf(image->file,"%d\n",MaxRGB); x=0; for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { (void) fprintf(image->file,"%5d %5d %5d ",p->red,p->green,p->blue); x++; if (x == 4) { (void) fprintf(image->file,"\n"); x=0; } } p++; } break; } case '4': { register unsigned char bit, byte, polarity; unsigned int x; /* Convert image to a PBM image. */ polarity=0; if (image->colors == 2) polarity=Intensity(image->colormap[0]) > Intensity(image->colormap[1]); bit=0; byte=0; x=0; for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { byte<<=1; if (p->index == polarity) byte|=0x01; bit++; if (bit == 8) { (void) fputc(byte,image->file); bit=0; byte=0; } x++; if (x == image->columns) { /* Advance to the next scanline. */ if (bit != 0) (void) fputc(byte << (8-bit),image->file); bit=0; byte=0; x=0; } } p++; } break; } case '5': { /* Convert image to a PGM image. */ (void) fprintf(image->file,"%d\n",DownScale(MaxRGB)); for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) (void) fputc(DownScale(p->red),image->file); p++; } break; } case '6': { /* Convert image to a PNM image. */ (void) fprintf(image->file,"%d\n",DownScale(MaxRGB)); for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { (void) fputc(DownScale(p->red),image->file); (void) fputc(DownScale(p->green),image->file); (void) fputc(DownScale(p->blue),image->file); } p++; } break; } } CloseImage(image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e P S I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WritePSImage translates an image to encapsulated Postscript % Level I for printing. If the supplied geometry is null, the image is % centered on the Postscript page. Otherwise, the image is positioned as % specified by the geometry. % % The format of the WritePSImage routine is: % % status=WritePSImage(image_info,image) % % A description of each parameter follows: % % o status: Function WritePSImage return True if the image is printed. % False is returned if the image file cannot be opened for printing. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: The address of a structure of type Image; returned from % ReadImage. % % */ static unsigned int WritePSImage(image_info,image) ImageInfo *image_info; Image *image; { static char *Postscript[]= { "%%BeginProlog", "%", "% Display a color image. The image is displayed in color on", "% Postscript viewers or printers that support color, otherwise", "% it is displayed as grayscale.", "%", "/buffer 512 string def", "/byte 1 string def", "/color_packet 3 string def", "/pixels 768 string def", "", "/DirectClassPacket", "{", " %", " % Get a DirectClass packet.", " %", " % Parameters:", " % red.", " % green.", " % blue.", " % length: number of pixels minus one of this color (optional).", " %", " currentfile color_packet readhexstring pop pop", " compression 0 gt", " {", " /number_pixels 3 def", " }", " {", " currentfile byte readhexstring pop 0 get", " /number_pixels exch 1 add 3 mul def", " } ifelse", " 0 3 number_pixels 1 sub", " {", " pixels exch color_packet putinterval", " } for", " pixels 0 number_pixels getinterval", "} bind def", "", "/DirectClassImage", "{", " %", " % Display a DirectClass image.", " %", " systemdict /colorimage known", " {", " columns rows 8", " [", " columns 0 0", " rows neg 0 rows", " ]", " { DirectClassPacket } false 3 colorimage", " }", " {", " %", " % No colorimage operator; convert to grayscale.", " %", " columns rows 8", " [", " columns 0 0", " rows neg 0 rows", " ]", " { GrayDirectClassPacket } image", " } ifelse", "} bind def", "", "/GrayDirectClassPacket", "{", " %", " % Get a DirectClass packet; convert to grayscale.", " %", " % Parameters:", " % red", " % green", " % blue", " % length: number of pixels minus one of this color (optional).", " %", " currentfile color_packet readhexstring pop pop", " color_packet 0 get 0.299 mul", " color_packet 1 get 0.587 mul add", " color_packet 2 get 0.114 mul add", " cvi", " /gray_packet exch def", " compression 0 gt", " {", " /number_pixels 1 def", " }", " {", " currentfile byte readhexstring pop 0 get", " /number_pixels exch 1 add def", " } ifelse", " 0 1 number_pixels 1 sub", " {", " pixels exch gray_packet put", " } for", " pixels 0 number_pixels getinterval", "} bind def", "", "/GrayPseudoClassPacket", "{", " %", " % Get a PseudoClass packet; convert to grayscale.", " %", " % Parameters:", " % index: index into the colormap.", " % length: number of pixels minus one of this color (optional).", " %", " currentfile byte readhexstring pop 0 get", " /offset exch 3 mul def", " /color_packet colormap offset 3 getinterval def", " color_packet 0 get 0.299 mul", " color_packet 1 get 0.587 mul add", " color_packet 2 get 0.114 mul add", " cvi", " /gray_packet exch def", " compression 0 gt", " {", " /number_pixels 1 def", " }", " {", " currentfile byte readhexstring pop 0 get", " /number_pixels exch 1 add def", " } ifelse", " 0 1 number_pixels 1 sub", " {", " pixels exch gray_packet put", " } for", " pixels 0 number_pixels getinterval", "} bind def", "", "/PseudoClassPacket", "{", " %", " % Get a PseudoClass packet.", " %", " % Parameters:", " % index: index into the colormap.", " % length: number of pixels minus one of this color (optional).", " %", " currentfile byte readhexstring pop 0 get", " /offset exch 3 mul def", " /color_packet colormap offset 3 getinterval def", " compression 0 gt", " {", " /number_pixels 3 def", " }", " {", " currentfile byte readhexstring pop 0 get", " /number_pixels exch 1 add 3 mul def", " } ifelse", " 0 3 number_pixels 1 sub", " {", " pixels exch color_packet putinterval", " } for", " pixels 0 number_pixels getinterval", "} bind def", "", "/PseudoClassImage", "{", " %", " % Display a PseudoClass image.", " %", " % Parameters:", " % class: 0-PseudoClass or 1-Grayscale.", " %", " currentfile buffer readline pop", " token pop /class exch def pop", " class 0 gt", " {", " currentfile buffer readline pop", " token pop /depth exch def pop", " /grays columns string def", " columns rows depth", " [", " columns 0 0", " rows neg 0 rows", " ]", " { currentfile grays readhexstring pop } image", " }", " {", " %", " % Parameters:", " % colors: number of colors in the colormap.", " % colormap: red, green, blue color packets.", " %", " currentfile buffer readline pop", " token pop /colors exch def pop", " /colors colors 3 mul def", " /colormap colors string def", " currentfile colormap readhexstring pop pop", " systemdict /colorimage known", " {", " columns rows 8", " [", " columns 0 0", " rows neg 0 rows", " ]", " { PseudoClassPacket } false 3 colorimage", " }", " {", " %", " % No colorimage operator; convert to grayscale.", " %", " columns rows 8", " [", " columns 0 0", " rows neg 0 rows", " ]", " { GrayPseudoClassPacket } image", " } ifelse", " } ifelse", "} bind def", "", "/DisplayImage", "{", " %", " % Display a DirectClass or PseudoClass image.", " %", " % Parameters:", " % x & y translation.", " % x & y scale.", " % image label.", " % image columns & rows.", " % class: 0-DirectClass or 1-PseudoClass.", " % compression: 0-RunlengthEncodedCompression or 1-NoCompression.", " % hex color packets.", " %", " gsave", " currentfile buffer readline pop", " token pop /x exch def", " token pop /y exch def pop", " x y translate", " currentfile buffer readline pop", " token pop /x exch def", " token pop /y exch def pop", " /NewCenturySchlbk-Roman findfont 24 scalefont setfont", " currentfile buffer readline pop", " 0 y 12 add moveto buffer show pop", " x y scale", " currentfile buffer readline pop", " token pop /columns exch def", " token pop /rows exch def pop", " currentfile buffer readline pop", " token pop /class exch def pop", " currentfile buffer readline pop", " token pop /compression exch def pop", " class 0 gt { PseudoClassImage } { DirectClassImage } ifelse", " grestore", (char *) NULL }; char *label, **q; int length, sans_offset, x, y; register RunlengthPacket *p; register int i, j; time_t timer; unsigned int bit, byte, count, dx_resolution, dy_resolution, height, polarity, text_size, x_resolution, y_resolution, width; /* Open output image file. */ OpenImage(image,"w"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Scale image to size of Postscript page. */ text_size=image->label == (char *) NULL ? 0 : 36; x=0; y=0; width=image->columns; height=image->rows; if (strcmp(image_info->magick,"PS") == 0) { int delta_x, delta_y, flags; unsigned int page_height, page_width; /* Center image on Postscript page. */ (void) XParseGeometry(PSPageGeometry,&x,&y,&page_width,&page_height); flags=0; if (image_info->page != (char *) NULL) flags=XParseGeometry(image_info->page,&x,&y,&page_width,&page_height); if (((page_width-(x << 1)) < width) || ((page_height-(y << 1)-text_size) < height)) { unsigned long scale_factor; /* Scale image relative to Postscript page. */ scale_factor=UpShift(page_width-(x << 1))/width; if (scale_factor > (UpShift(page_height-(y << 1)-text_size)/height)) scale_factor=UpShift(page_height-(y << 1)-text_size)/height; width=DownShift(width*scale_factor); height=DownShift(height*scale_factor); } if ((flags & XValue) == 0) { /* Center image in the X direction. */ delta_x=page_width-(width+(x << 1)); if (delta_x >= 0) x=(delta_x >> 1)+x; } if ((flags & YValue) == 0) { /* Center image in the X direction. */ delta_y=page_height-(height+(y << 1))-text_size; if (delta_y >= 0) y=(delta_y >> 1)+y; } } /* Scale relative to dots-per-inch. */ (void) XParseGeometry(PSDensityGeometry,&sans_offset,&sans_offset, &dx_resolution,&dy_resolution); x_resolution=dx_resolution; y_resolution=dy_resolution; if (image_info->density != (char *) NULL) (void) XParseGeometry(image_info->density,&sans_offset,&sans_offset, &x_resolution,&y_resolution); width=(width*dx_resolution)/x_resolution; height=(height*dy_resolution)/y_resolution; /* Output Postscript header. */ if (strcmp(image_info->magick,"PS") == 0) (void) fprintf(image->file,"%%!PS-Adobe-3.0\n"); else (void) fprintf(image->file,"%%!PS-Adobe-3.0 EPSF-3.0\n"); (void) fprintf(image->file,"%%%%Title: %s\n",image->filename); (void) fprintf(image->file,"%%%%Creator: ImageMagick\n"); timer=time((time_t *) NULL); (void) localtime(&timer); (void) fprintf(image->file,"%%%%CreationDate: %s",ctime(&timer)); (void) fprintf(image->file,"%%%%BoundingBox: %d %d %d %d\n",x,y,x+(int) width, y+(int) height+text_size); if (strcmp(image_info->magick,"PS") == 0) { (void) fprintf(image->file,"%%%%Orientation: Portrait\n"); (void) fprintf(image->file,"%%%%PageOrder: Ascend\n"); } (void) fprintf(image->file,"%%%%Pages: %d\n", strcmp(image_info->magick,"PS") == 0); (void) fprintf(image->file,"%%%%EndComments\n"); if (strcmp(image_info->magick,"EPSI") == 0) { Image *preview_image; /* Create preview image. */ image->orphan=True; preview_image=CopyImage(image,image->columns,image->rows,True); image->orphan=False; if (preview_image == (Image *) NULL) PrematureExit("Unable to allocate memory",image); /* Dump image as bitmap. */ if (!IsGrayImage(image) || (image->colors != 2)) { QuantizeImage(preview_image,2,8,image_info->dither,GRAYColorspace); SyncImage(preview_image); } polarity=0; if (image->colors == 2) polarity=Intensity(image->colormap[0]) > Intensity(image->colormap[1]); bit=0; byte=0; count=0; x=0; p=preview_image->pixels; (void) fprintf(image->file,"%%%%BeginPreview: %u %u %u %u\n%% ", preview_image->columns,preview_image->rows,(unsigned int) 1, (((preview_image->columns+7) >> 3)*preview_image->rows+35)/36); for (i=0; i < preview_image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { byte<<=1; if (p->index == polarity) byte|=0x01; bit++; if (bit == 8) { (void) fprintf(image->file,"%02x",byte & 0xff); count++; if (count == 36) { (void) fprintf(image->file,"\n%% "); count=0; }; bit=0; byte=0; } x++; if (x == preview_image->columns) { if (bit != 0) { byte<<=(8-bit); (void) fprintf(image->file,"%02x",byte & 0xff); count++; if (count == 36) { (void) fprintf(image->file,"\n%% "); count=0; }; bit=0; byte=0; }; x=0; } } p++; } (void) fprintf(image->file,"\n%%%%EndPreview\n"); DestroyImage(preview_image); } /* Output Postscript commands. */ for (q=Postscript; *q; q++) (void) fprintf(image->file,"%s\n",*q); if (strcmp(image_info->magick,"PS") == 0) (void) fprintf(image->file," showpage\n"); (void) fprintf(image->file,"} bind def\n"); (void) fprintf(image->file,"%%%%EndProlog\n"); (void) fprintf(image->file,"%%%%Page: 1 1\n"); if (strcmp(image_info->magick,"PS") != 0) (void) fprintf(image->file,"userdict begin\n"); (void) fprintf(image->file,"%%%%BeginData:\n"); (void) fprintf(image->file,"DisplayImage\n"); /* Output image data. */ if (image->compression == RunlengthEncodedCompression) CompressImage(image); label=image->label; if (label == (char *) NULL) label=" "; p=image->pixels; switch (image->class) { case DirectClass: { (void) fprintf(image->file,"%d %d\n%u %u\n%s \n%u %u\n%d\n%d\n", x,y,width,height,label,image->columns,image->rows, image->class == PseudoClass,image->compression == NoCompression); switch (image->compression) { case RunlengthEncodedCompression: default: { /* Dump runlength-encoded DirectColor packets. */ x=0; for (i=0; i < image->packets; i++) { for (length=p->length; length >= 0; length-=256) { if (image->matte && (p->index == Transparent)) (void) fprintf(image->file,"ffffff%02x",Min(length,0xff)); else (void) fprintf(image->file,"%02x%02x%02x%02x",DownScale(p->red), DownScale(p->green),DownScale(p->blue),Min(length,0xff)); x++; if (x == 9) { x=0; (void) fprintf(image->file,"\n"); } } p++; } break; } case NoCompression: { /* Dump uncompressed DirectColor packets. */ x=0; for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { if (image->matte && (p->index == Transparent)) (void) fprintf(image->file,"ffffff"); else (void) fprintf(image->file,"%02x%02x%02x",DownScale(p->red), DownScale(p->green),DownScale(p->blue)); x++; if (x == 12) { x=0; (void) fprintf(image->file,"\n"); } } p++; } break; } } break; } case PseudoClass: { unsigned int grayscale; (void) fprintf(image->file,"%d %d\n%u %u\n%s \n%u %u\n%d\n%d\n", x,y,width,height,label,image->columns,image->rows, image->class == PseudoClass,image->compression == NoCompression); grayscale=IsGrayImage(image) && (image->compression == NoCompression); (void) fprintf(image->file,"%d\n",grayscale); if (grayscale) (void) fprintf(image->file,"%d\n",image->colors == 2 ? 1 : 8); else { /* Dump number of colors and colormap. */ (void) fprintf(image->file,"%u\n",image->colors); for (i=0; i < image->colors; i++) (void) fprintf(image->file,"%02x%02x%02x\n", DownScale(image->colormap[i].red), DownScale(image->colormap[i].green), DownScale(image->colormap[i].blue)); } switch (image->compression) { case RunlengthEncodedCompression: default: { /* Dump runlength-encoded PseudoColor packets. */ x=0; for (i=0; i < image->packets; i++) { for (length=p->length; length >= 0; length-=256) { (void) fprintf(image->file,"%02x%02x",p->index,Min(length,0xff)); x++; if (x == 18) { x=0; (void) fprintf(image->file,"\n"); } } p++; } break; } case NoCompression: { /* Dump uncompressed PseudoColor packets. */ x=0; if (!grayscale) for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { (void) fprintf(image->file,"%02x",p->index); x++; if (x == 36) { x=0; (void) fprintf(image->file,"\n"); } } p++; } else if (image->colors != 2) for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { (void) fprintf(image->file,"%02x",DownScale(p->red)); x++; if (x == 36) { x=0; (void) fprintf(image->file,"\n"); } } p++; } else { /* Dump image as bitmap. */ polarity= Intensity(image->colormap[1]) > Intensity(image->colormap[0]); bit=0; byte=0; count=0; x=0; p=image->pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { byte<<=1; if (p->index == polarity) byte|=0x01; bit++; if (bit == 8) { (void) fprintf(image->file,"%02x",byte & 0xff); count++; if (count == 36) { (void) fprintf(image->file,"\n"); count=0; }; bit=0; byte=0; } x++; if (x == image->columns) { if (bit != 0) { byte<<=(8-bit); (void) fprintf(image->file,"%02x",byte & 0xff); count++; if (count == 36) { (void) fprintf(image->file,"\n"); count=0; }; bit=0; byte=0; }; x=0; } } p++; } } break; } } } } (void) fprintf(image->file,"\n"); (void) fprintf(image->file,"%%%%EndData\n"); if (strcmp(image_info->magick,"PS") != 0) (void) fprintf(image->file,"end\n"); (void) fprintf(image->file,"%%%%PageTrailer\n"); (void) fprintf(image->file,"%%%%Trailer\n"); (void) fprintf(image->file,"%%%%EOF\n"); CloseImage(image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e P S 2 I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WritePS2Image translates an image to encapsulated Postscript % Level II for printing. If the supplied geometry is null, the image is % centered on the Postscript page. Otherwise, the image is positioned as % specified by the geometry. % % The format of the WritePS2Image routine is: % % status=WritePS2Image(image_info,image) % % A description of each parameter follows: % % o status: Function WritePS2Image return True if the image is printed. % False is returned if the image file cannot be opened for printing. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: The address of a structure of type Image; returned from % ReadImage. % % */ static unsigned int WritePS2Image(image_info,image) ImageInfo *image_info; Image *image; { static char *Postscript[]= { "%%BeginProlog", "%", "% Display a color image. The image is displayed in color on", "% Postscript viewers or printers that support color, otherwise", "% it is displayed as grayscale.", "%", "/buffer 512 string def", "", "/DirectClassImage", "{", " %", " % Display a DirectClass image.", " %", " /DeviceRGB setcolorspace", " <<", " /ImageType 1", " /Interpolate true", " /Width columns", " /Height rows", " /BitsPerComponent 8", " /Decode [0 1 0 1 0 1]", " /ImageMatrix [columns 0 0 rows neg 0 rows]", " compression 0 gt", " {", " /DataSource currentfile /ASCII85Decode filter", " }", " {", " /DataSource currentfile /ASCII85Decode filter /LZWDecode filter", " } ifelse", " >> image", "} bind def", "", "/PseudoClassImage", "{", " %", " % Display a PseudoClass image.", " %", " % Parameters:", " % colors: number of colors in the colormap.", " %", " currentfile buffer readline pop", " token pop /colors exch def pop", " colors 0 eq", " {", " %", " % Image is grayscale.", " %", " /DeviceGray setcolorspace", " <<", " /ImageType 1", " /Interpolate true", " /Width columns", " /Height rows", " /BitsPerComponent 1", " /Decode [0 1]", " /ImageMatrix [columns 0 0 rows neg 0 rows]", " compression 0 gt", " {", " /DataSource currentfile /ASCII85Decode filter", " }", " {", " /DataSource currentfile /ASCII85Decode filter /LZWDecode filter", " } ifelse", " >> image", " }", " {", " %", " % Parameters:", " % colormap: red, green, blue color packets.", " %", " /colormap colors 3 mul string def", " currentfile colormap readhexstring pop pop", " [ /Indexed /DeviceRGB colors 1 sub colormap ] setcolorspace", " <<", " /ImageType 1", " /Interpolate true", " /Width columns", " /Height rows", " /BitsPerComponent 8", " /Decode [0 255]", " /ImageMatrix [columns 0 0 rows neg 0 rows]", " compression 0 gt", " {", " /DataSource currentfile /ASCII85Decode filter", " }", " {", " /DataSource currentfile /ASCII85Decode filter /LZWDecode filter", " } ifelse", " >> image", " } ifelse", "} bind def", "", "/DisplayImage", "{", " %", " % Display a DirectClass or PseudoClass image.", " %", " % Parameters:", " % x & y translation.", " % x & y scale.", " % image label.", " % image columns & rows.", " % class: 0-DirectClass or 1-PseudoClass.", " % compression: 0-RunlengthEncodedCompression or 1-NoCompression.", " % hex color packets.", " %", " gsave", " currentfile buffer readline pop", " token pop /x exch def", " token pop /y exch def pop", " x y translate", " currentfile buffer readline pop", " token pop /x exch def", " token pop /y exch def pop", " /NewCenturySchlbk-Roman findfont 24 scalefont setfont", " currentfile buffer readline pop", " 0 y 12 add moveto buffer show pop", " x y scale", " currentfile buffer readline pop", " token pop /columns exch def", " token pop /rows exch def pop", " currentfile buffer readline pop", " token pop /class exch def pop", " currentfile buffer readline pop", " token pop /compression exch def pop", " class 0 gt { PseudoClassImage } { DirectClassImage } ifelse", " grestore", " showpage", "} bind def", "%%EndProlog", "%%Page: 1 1", NULL }; char *label, **q; int delta_x, delta_y, flags, sans_offset, x, y; register RunlengthPacket *p; register int i, j; time_t timer; unsigned char *pixels; unsigned int dx_resolution, dy_resolution, height, number_packets, page_height, page_width, text_size, x_resolution, y_resolution, width; /* Open output image file. */ OpenImage(image,"w"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Scale image to size of Postscript page. */ text_size=image->label == (char *) NULL ? 0 : 36; x=0; y=0; width=image->columns; height=image->rows; /* Center image on Postscript page. */ (void) XParseGeometry(PSPageGeometry,&x,&y,&page_width,&page_height); flags=0; if (image_info->page != (char *) NULL) flags=XParseGeometry(image_info->page,&x,&y,&page_width,&page_height); if (((page_width-(x << 1)) < width) || ((page_height-(y << 1)-text_size) < height)) { unsigned long scale_factor; /* Scale image relative to Postscript page. */ scale_factor=UpShift(page_width-(x << 1))/width; if (scale_factor > (UpShift(page_height-(y << 1)-text_size)/height)) scale_factor=UpShift(page_height-(y << 1)-text_size)/height; width=DownShift(width*scale_factor); height=DownShift(height*scale_factor); } if ((flags & XValue) == 0) { /* Center image in the X direction. */ delta_x=page_width-(width+(x << 1)); if (delta_x >= 0) x=(delta_x >> 1)+x; } if ((flags & YValue) == 0) { /* Center image in the X direction. */ delta_y=page_height-(height+(y << 1))-text_size; if (delta_y >= 0) y=(delta_y >> 1)+y; } /* Scale relative to dots-per-inch. */ (void) XParseGeometry(PSDensityGeometry,&sans_offset,&sans_offset, &dx_resolution,&dy_resolution); x_resolution=dx_resolution; y_resolution=dy_resolution; if (image_info->density != (char *) NULL) (void) XParseGeometry(image_info->density,&sans_offset,&sans_offset, &x_resolution,&y_resolution); width=(width*dx_resolution)/x_resolution; height=(height*dy_resolution)/y_resolution; /* Output Postscript header. */ if (strcmp(image_info->magick,"PS") == 0) (void) fprintf(image->file,"%%!PS-Adobe-3.0\n"); else (void) fprintf(image->file,"%%!PS-Adobe-3.0 EPSF-3.0\n"); (void) fprintf(image->file,"%%%%Title: %s\n",image->filename); (void) fprintf(image->file,"%%%%Creator: ImageMagick\n"); timer=time((time_t *) NULL); (void) localtime(&timer); (void) fprintf(image->file,"%%%%CreationDate: %s",ctime(&timer)); (void) fprintf(image->file,"%%%%BoundingBox: %d %d %d %d\n",x,y,x+(int) width, y+(int) height+text_size); if (strcmp(image_info->magick,"PS") == 0) { (void) fprintf(image->file,"%%%%Orientation: Portrait\n"); (void) fprintf(image->file,"%%%%PageOrder: Ascend\n"); } (void) fprintf(image->file,"%%%%Pages: %d\n",strcmp(image_info->magick,"PS") == 0); (void) fprintf(image->file,"%%%%EndComments\n"); /* Output Postscript commands. */ for (q=Postscript; *q; q++) (void) fprintf(image->file,"%s\n",*q); if (strcmp(image_info->magick,"PS") != 0) (void) fprintf(image->file,"userdict begin\n"); (void) fprintf(image->file,"%%%%BeginData:\n"); (void) fprintf(image->file,"DisplayImage\n"); /* Output image data. */ label=image->label; if (label == (char *) NULL) label=" "; (void) fprintf(image->file,"%d %d\n%u %u\n%s \n%u %u\n%d\n%d\n",x,y, width,height,label,image->columns,image->rows,image->class == PseudoClass, image->compression == NoCompression); p=image->pixels; if (!IsPseudoClass(image) && !IsGrayImage(image)) switch (image->compression) { case RunlengthEncodedCompression: default: { register unsigned char *q; /* Allocate pixel array. */ number_packets=3*image->columns*image->rows; pixels=(unsigned char *) malloc(number_packets*sizeof(unsigned char)); if (pixels == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); /* Dump LZW encoded pixels. */ q=pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { if (image->matte && (p->index == Transparent)) { *q++=DownScale(MaxRGB); *q++=DownScale(MaxRGB); *q++=DownScale(MaxRGB); } else { *q++=DownScale(p->red); *q++=DownScale(p->green); *q++=DownScale(p->blue); } } p++; } (void) LZWEncodeFilter(image->file,pixels,number_packets); free((char *) pixels); break; } case NoCompression: { /* Dump uncompressed DirectColor packets. */ Ascii85Initialize(); for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { if (image->matte && (p->index == Transparent)) { Ascii85Encode(DownScale(MaxRGB),image->file); Ascii85Encode(DownScale(MaxRGB),image->file); Ascii85Encode(DownScale(MaxRGB),image->file); } else { Ascii85Encode(DownScale(p->red),image->file); Ascii85Encode(DownScale(p->green),image->file); Ascii85Encode(DownScale(p->blue),image->file); } } p++; } Ascii85Flush(image->file); break; } } else if (IsGrayImage(image) && (image->colors == 2)) { register unsigned char bit, byte, polarity; polarity=Intensity(image->colormap[0]) < Intensity(image->colormap[1]); bit=0; byte=0; x=0; (void) fprintf(image->file,"0\n"); switch (image->compression) { case RunlengthEncodedCompression: default: { register unsigned char *q; /* Allocate pixel array. */ number_packets=((image->columns+7) >> 3)*image->rows; pixels=(unsigned char *) malloc(number_packets*sizeof(unsigned char)); if (pixels == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); /* Dump LZW encoded pixels. */ q=pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { byte<<=1; if (p->index == polarity) byte|=0x01; bit++; if (bit == 8) { *q++=byte; bit=0; byte=0; } x++; if (x == image->columns) { /* Advance to the next scanline. */ if (bit != 0) *q++=byte << (8-bit); bit=0; byte=0; x=0; y++; } } p++; } (void) LZWEncodeFilter(image->file,pixels,number_packets); free((char *) pixels); break; } case NoCompression: { /* Dump uncompressed PseudoColor packets. */ Ascii85Initialize(); for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { byte<<=1; if (p->index == polarity) byte|=0x01; bit++; if (bit == 8) { Ascii85Encode(byte,image->file); bit=0; byte=0; } x++; if (x == image->columns) { /* Advance to the next scanline. */ if (bit != 0) Ascii85Encode(byte << (8-bit),image->file); bit=0; byte=0; x=0; y++; } } p++; } Ascii85Flush(image->file); break; } } } else { /* Dump number of colors and colormap. */ (void) fprintf(image->file,"%u\n",image->colors); for (i=0; i < image->colors; i++) (void) fprintf(image->file,"%02x%02x%02x\n", DownScale(image->colormap[i].red), DownScale(image->colormap[i].green), DownScale(image->colormap[i].blue)); switch (image->compression) { case RunlengthEncodedCompression: default: { register unsigned char *q; /* Allocate pixel array. */ number_packets=image->columns*image->rows; pixels=(unsigned char *) malloc(number_packets*sizeof(unsigned char)); if (pixels == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); /* Dump LZW encoded pixels. */ q=pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) *q++=(unsigned char) p->index; p++; } (void) LZWEncodeFilter(image->file,pixels,number_packets); free((char *) pixels); break; } case NoCompression: { /* Dump uncompressed PseudoColor packets. */ Ascii85Initialize(); for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) Ascii85Encode((unsigned char) p->index,image->file); p++; } Ascii85Flush(image->file); break; } } } (void) fprintf(image->file,"\n"); (void) fprintf(image->file,"%%%%EndData\n"); if (strcmp(image_info->magick,"PS") != 0) (void) fprintf(image->file,"end\n"); (void) fprintf(image->file,"%%%%PageTrailer\n"); (void) fprintf(image->file,"%%%%Trailer\n"); (void) fprintf(image->file,"%%%%EOF\n"); CloseImage(image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e R A D I A N C E I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteRADIANCEImage writes an image in the RADIANCE encoded image % format. % % The format of the WriteRADIANCEImage routine is: % % status=WriteRADIANCEImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteRADIANCEImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteRADIANCEImage(image_info,image) ImageInfo *image_info; Image *image; { unsigned int status; Warning("Cannot write RADIANCE images",image->filename); status=WriteMIFFImage(image_info,image); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e R G B I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteRGBImage writes an image to a file in red, green, and % blue rasterfile format. % % The format of the WriteRGBImage routine is: % % status=WriteRGBImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteRGBImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteRGBImage(image_info,image) ImageInfo *image_info; Image *image; { register int i, j; register RunlengthPacket *p; /* Open output image file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Convert MIFF to RGB raster pixels. */ if (strcmp(image_info->magick,"RGB") == 0) image->matte=False; switch (image_info->interlace) { case NoneInterlace: default: { /* No interlacing: RGBRGBRGBRGBRGBRGB... */ p=image->pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { WriteQuantumFile(p->red); WriteQuantumFile(p->green); WriteQuantumFile(p->blue); if (image->matte) WriteQuantumFile(p->index); } p++; } break; } case LineInterlace: { register int x, y; /* Line interlacing: RRR...GGG...BBB...RRR...GGG...BBB... */ if (!UncompressImage(image)) return(False); for (y=0; y < image->rows; y++) { p=image->pixels+(y*image->columns); for (x=0; x < image->columns; x++) { WriteQuantumFile(p->red); p++; } p=image->pixels+(y*image->columns); for (x=0; x < image->columns; x++) { WriteQuantumFile(p->green); p++; } p=image->pixels+(y*image->columns); for (x=0; x < image->columns; x++) { WriteQuantumFile(p->blue); p++; } p=image->pixels+(y*image->columns); if (image->matte) for (x=0; x < image->columns; x++) { WriteQuantumFile(p->index); p++; } } break; } case PlaneInterlace: { /* Plane interlacing: RRRRRR...GGGGGG...BBBBBB... */ p=image->pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) WriteQuantumFile(p->red); p++; } p=image->pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) WriteQuantumFile(p->green); p++; } p=image->pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) WriteQuantumFile(p->blue); p++; } p=image->pixels; if (image->matte) for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) WriteQuantumFile(p->index); p++; } break; } } CloseImage(image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e R L E I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteRLEImage writes an image in the Utah Run length encoded image % format. % % The format of the WriteRLEImage routine is: % % status=WriteRLEImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteRLEImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteRLEImage(image_info,image) ImageInfo *image_info; Image *image; { char command[MaxTextLength]; Image *flipped_image; ImageInfo rle_info; unsigned int packet_size, status; /* Flip image. */ image->orphan=True; flipped_image=FlipImage(image); image->orphan=False; if (flipped_image == (Image *) NULL) PrematureExit("Unable to flip image",image); rle_info=(*image_info); rle_info.interlace=NoneInterlace; TemporaryFilename(flipped_image->filename); status=WriteRGBImage(&rle_info,flipped_image); if (status) { packet_size=3; if (image->matte) packet_size=4; (void) sprintf(command,"rawtorle -w %d -h %d -n %d -o %s %s\n", image->columns,image->rows,packet_size,image_info->filename, flipped_image->filename); status=SystemCommand(command); (void) unlink(flipped_image->filename); if (access(image_info->filename,0) != 0) Warning("RLE translation failed",command); } DestroyImage(flipped_image); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e S G I I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteSGIImage writes an image in SGI RGB encoded image format. % % The format of the WriteSGIImage routine is: % % status=WriteSGIImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteSGIImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static int SGIEncode(pixels,count,packets) unsigned char *pixels; int count; unsigned char *packets; { short runlength; unsigned char *limit, *mark, *p, *q; p=pixels; limit=p+count*4; q=packets; while (p < limit) { mark=p; p+=8; while ((p < limit) && ((*(p-8) != *(p-4)) || (*(p-4) != *p))) p+=4; p-=8; count=((p-mark) >> 2); while (count) { runlength=count > 126 ? 126 : count; count-=runlength; *q++=0x80 | runlength; for ( ; runlength > 0; runlength--) { *q++=(*mark); mark+=4; } } mark=p; p+=4; while ((p < limit) && (*p == *mark)) p+=4; count=((p-mark) >> 2); while (count) { runlength=count > 126 ? 126 : count; count-=runlength; *q++=runlength; *q++=(*mark); } } *q++=0; return(q-packets); } static unsigned int WriteSGIImage(image_info,image) ImageInfo *image_info; Image *image; { typedef struct _SGIHeader { unsigned short magic; unsigned char storage, bytes_per_pixel; unsigned short dimension, columns, rows, depth; unsigned long minimum_value, maximum_value; unsigned char filler[492]; } SGIHeader; SGIHeader iris_header; register int i, j, x, y, z; register RunlengthPacket *p; register unsigned char *q; unsigned char *iris_pixels, *packets; /* Open output image file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Initialize SGI raster file header. */ iris_header.magic=0x01DA; if (image->compression == NoCompression) iris_header.storage=0x00; else iris_header.storage=0x01; iris_header.bytes_per_pixel=1; /* one byte per pixel */ iris_header.dimension=3; iris_header.columns=image->columns; iris_header.rows=image->rows; iris_header.depth=image->matte ? 4 : 3; if (IsGrayImage(image)) { iris_header.dimension=2; iris_header.depth=1; } iris_header.minimum_value=0; iris_header.maximum_value=MaxRGB; for (i=0; i < sizeof(iris_header.filler); i++) iris_header.filler[i]=0; /* Write SGI header. */ MSBFirstWriteShort(iris_header.magic,image->file); (void) fputc(iris_header.storage,image->file); (void) fputc(iris_header.bytes_per_pixel,image->file); MSBFirstWriteShort(iris_header.dimension,image->file); MSBFirstWriteShort(iris_header.columns,image->file); MSBFirstWriteShort(iris_header.rows,image->file); MSBFirstWriteShort(iris_header.depth,image->file); MSBFirstWriteLong(iris_header.minimum_value,image->file); MSBFirstWriteLong(iris_header.maximum_value,image->file); (void) fwrite(iris_header.filler,1,sizeof(iris_header.filler),image->file); /* Allocate SGI pixels. */ iris_pixels=(unsigned char *) malloc(4*image->columns*image->rows*sizeof(unsigned char)); if (iris_pixels == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); /* Convert runlength-encoded packets to uncompressed SGI pixels. */ x=0; y=0; p=image->pixels; q=iris_pixels+(iris_header.rows-1)*(iris_header.columns*4); for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { *q++=DownScale(p->red); *q++=DownScale(p->green); *q++=DownScale(p->blue); *q++=(unsigned char) p->index; x++; if (x == image->columns) { y++; q=iris_pixels+((iris_header.rows-1)-y)*(iris_header.columns*4); x=0; } } p++; } if (image->compression == NoCompression) { unsigned char *scanline; /* Write uncompressed SGI pixels. */ scanline=(unsigned char *) malloc(iris_header.columns*sizeof(unsigned char)); if (scanline == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); for (z=0; z < (int) iris_header.depth; z++) { q=iris_pixels+z; for (y=0; y < (int) iris_header.rows; y++) { for (x=0; x < (int) iris_header.columns; x++) { scanline[x]=(*q); q+=4; } (void) fwrite(scanline,sizeof(unsigned char),iris_header.columns, image->file); } } free(scanline); } else { unsigned long length, number_packets, offset, *offsets, *runlength; /* Convert SGI uncompressed pixels to runlength-encoded pixels. */ offsets=(unsigned long *) malloc(iris_header.rows*iris_header.depth*sizeof(unsigned long)); packets=(unsigned char *) malloc(4*((iris_header.columns << 1)+10)* image->rows*sizeof(unsigned char)); runlength=(unsigned long *) malloc(iris_header.rows*iris_header.depth*sizeof(unsigned long)); if ((offsets == (unsigned long *) NULL) || (packets == (unsigned char *) NULL) || (runlength == (unsigned long *) NULL)) PrematureExit("Unable to allocate memory",image); offset=512+4*((iris_header.rows*iris_header.depth) << 1); number_packets=0; q=iris_pixels; for (y=0; y < (int) iris_header.rows; y++) { for (z=0; z < (int) iris_header.depth; z++) { length= SGIEncode(q+z,(int) iris_header.columns,packets+number_packets); number_packets+=length; offsets[y+z*iris_header.rows]=offset; runlength[y+z*iris_header.rows]=length; offset+=length; } q+=(iris_header.columns*4); } /* Write out line start and length tables and runlength-encoded pixels. */ for (i=0; i < (int) (iris_header.rows*iris_header.depth); i++) MSBFirstWriteLong(offsets[i],image->file); for (i=0; i < (int) (iris_header.rows*iris_header.depth); i++) MSBFirstWriteLong(runlength[i],image->file); (void) fwrite(packets,sizeof(unsigned char),number_packets,image->file); /* Free memory. */ free(runlength); free(packets); free(offsets); } free(iris_pixels); CloseImage(image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e S U N I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteSUNImage writes an image in the SUN rasterfile format. % % The format of the WriteSUNImage routine is: % % status=WriteSUNImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteSUNImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteSUNImage(image_info,image) ImageInfo *image_info; Image *image; { #define RMT_EQUAL_RGB 1 #define RMT_NONE 0 #define RMT_RAW 2 #define RT_STANDARD 1 #define RT_FORMAT_RGB 3 typedef struct _SUNHeader { unsigned long magic, width, height, depth, length, type, maptype, maplength; } SUNHeader; register int i, j, x; register RunlengthPacket *p; SUNHeader sun_header; /* Open output image file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Initialize SUN raster file header. */ sun_header.magic=0x59a66a95; sun_header.width=image->columns; sun_header.height=image->rows; sun_header.type=(image->class == DirectClass ? RT_FORMAT_RGB : RT_STANDARD); sun_header.maptype=RMT_NONE; sun_header.maplength=0; if (!IsPseudoClass(image) && !IsGrayImage(image)) { /* Full color SUN raster. */ sun_header.depth=(image->matte ? 32 : 24); sun_header.length=image->columns*image->rows*(image->matte ? 4 : 3); sun_header.length+=image->columns % 2 ? image->rows : 0; } else if (IsGrayImage(image) && (image->colors == 2)) { /* Monochrome SUN raster. */ sun_header.depth=1; sun_header.length=((image->columns+7) >> 3)*image->rows; sun_header.length+=((image->columns/8)+(image->columns % 8 ? 1 : 0)) % 2 ? image->rows : 0; } else { /* Colormapped SUN raster. */ sun_header.depth=8; sun_header.length=image->columns*image->rows; sun_header.length+=image->columns % 2 ? image->rows : 0; sun_header.maptype=RMT_EQUAL_RGB; sun_header.maplength=image->colors*3; } /* Write SUN header. */ MSBFirstWriteLong(sun_header.magic,image->file); MSBFirstWriteLong(sun_header.width,image->file); MSBFirstWriteLong(sun_header.height,image->file); MSBFirstWriteLong(sun_header.depth,image->file); MSBFirstWriteLong(sun_header.length,image->file); MSBFirstWriteLong(sun_header.type,image->file); MSBFirstWriteLong(sun_header.maptype,image->file); MSBFirstWriteLong(sun_header.maplength,image->file); /* Convert MIFF to SUN raster pixels. */ p=image->pixels; x=0; if (!IsPseudoClass(image) && !IsGrayImage(image)) { /* Convert DirectClass packet to SUN RGB pixel. */ for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { if (image->matte) (void) fputc(p->index,image->file); (void) fputc(DownScale(p->red),image->file); (void) fputc(DownScale(p->green),image->file); (void) fputc(DownScale(p->blue),image->file); x++; if (x == image->columns) { if ((image->columns % 2) != 0) (void) fputc(0,image->file); /* pad scanline */ x=0; } } p++; } } else if (IsGrayImage(image) && (image->colors == 2)) { register unsigned char bit, byte, polarity; /* Convert PseudoClass image to a SUN monochrome image. */ polarity=Intensity(image->colormap[0]) > Intensity(image->colormap[1]); bit=0; byte=0; for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { byte<<=1; if (p->index == polarity) byte|=0x01; bit++; if (bit == 8) { (void) fputc(byte,image->file); bit=0; byte=0; } x++; if (x == image->columns) { /* Advance to the next scanline. */ if (bit != 0) (void) fputc(byte << (8-bit),image->file); if ((((image->columns/8)+ (image->columns % 8 ? 1 : 0)) % 2) != 0) (void) fputc(0,image->file); /* pad scanline */ bit=0; byte=0; x=0; } } p++; } } else { /* Dump colormap to file. */ for (i=0; i < image->colors; i++) (void) fputc(DownScale(image->colormap[i].red),image->file); for (i=0; i < image->colors; i++) (void) fputc(DownScale(image->colormap[i].green),image->file); for (i=0; i < image->colors; i++) (void) fputc(DownScale(image->colormap[i].blue),image->file); /* Convert PseudoClass packet to SUN colormapped pixel. */ for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { (void) fputc(p->index,image->file); x++; if (x == image->columns) { if ((image->columns % 2) != 0) (void) fputc(0,image->file); /* pad scanline */ x=0; } } p++; } } CloseImage(image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e T A R G A I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteTARGAImage writes a image in the Truevision Targa rasterfile % format. % % The format of the WriteTARGAImage routine is: % % status=WriteTARGAImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteTARGAImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteTARGAImage(image_info,image) ImageInfo *image_info; Image *image; { #define TargaColormap 1 #define TargaRGB 2 #define TargaMonochrome 3 #define TargaRLEColormap 9 #define TargaRLERGB 10 #define TargaRLEMonochrome 11 typedef struct _TargaHeader { unsigned char id_length, colormap_type, image_type; unsigned short colormap_index, colormap_length; unsigned char colormap_size; unsigned short x_origin, y_origin, width, height; unsigned char pixel_size, attributes; } TargaHeader; Image *flopped_image; int count, runlength; register int i, j; register RunlengthPacket *p; register unsigned char *q, *r; TargaHeader targa_header; unsigned char *targa_pixels; /* Open output image file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Flop image. */ image->orphan=True; flopped_image=FlopImage(image); image->orphan=False; if (flopped_image == (Image *) NULL) PrematureExit("Unable to flop image",image); if (flopped_image->compression == RunlengthEncodedCompression) CompressImage(flopped_image); /* Initialize TARGA raster file header. */ targa_header.id_length=0; if (flopped_image->comments != (char *) NULL) targa_header.id_length=Min((int) strlen(flopped_image->comments),255); targa_header.colormap_type=0; targa_header.colormap_index=0; targa_header.colormap_length=0; targa_header.colormap_size=0; targa_header.x_origin=0; targa_header.y_origin=0; targa_header.width=flopped_image->columns; targa_header.height=flopped_image->rows; targa_header.pixel_size=8; targa_header.attributes=0; if (!IsPseudoClass(flopped_image)) { /* Full color TARGA raster. */ targa_header.image_type=TargaRGB; if (flopped_image->compression == RunlengthEncodedCompression) targa_header.image_type=TargaRLERGB; targa_header.pixel_size=flopped_image->matte ? 32 : 24; } else { /* Colormapped TARGA raster. */ targa_header.image_type=TargaColormap; if (flopped_image->compression == RunlengthEncodedCompression) targa_header.image_type=TargaRLEColormap; if (!IsGrayImage(flopped_image) || (flopped_image->colors != 2)) { targa_header.colormap_type=1; targa_header.colormap_index=0; targa_header.colormap_length=flopped_image->colors; targa_header.colormap_size=24; } else { /* Monochrome TARGA raster. */ targa_header.image_type=TargaMonochrome; if (flopped_image->compression == RunlengthEncodedCompression) targa_header.image_type=TargaRLEMonochrome; } } /* Write TARGA header. */ (void) fputc((char) targa_header.id_length,image->file); (void) fputc((char) targa_header.colormap_type,image->file); (void) fputc((char) targa_header.image_type,image->file); LSBFirstWriteShort(targa_header.colormap_index,image->file); LSBFirstWriteShort(targa_header.colormap_length,image->file); (void) fputc((char) targa_header.colormap_size,image->file); LSBFirstWriteShort(targa_header.x_origin,image->file); LSBFirstWriteShort(targa_header.y_origin,image->file); LSBFirstWriteShort(targa_header.width,image->file); LSBFirstWriteShort(targa_header.height,image->file); (void) fputc((char) targa_header.pixel_size,image->file); (void) fputc((char) targa_header.attributes,image->file); if (targa_header.id_length != 0) (void) fwrite((char *) flopped_image->comments,1,targa_header.id_length, image->file); /* Convert MIFF to TARGA raster pixels. */ count=(unsigned int) (targa_header.pixel_size*targa_header.width*targa_header.height) >> 3; if (flopped_image->compression == RunlengthEncodedCompression) count+=(count/128)+1; targa_pixels=(unsigned char *) malloc(count*sizeof(unsigned char)); if (targa_pixels == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",flopped_image); p=flopped_image->pixels+(flopped_image->packets-1); q=targa_pixels; if (!IsPseudoClass(flopped_image)) { /* Convert DirectClass packet to TARGA RGB pixel. */ if (flopped_image->compression != RunlengthEncodedCompression) for (i=0; i < flopped_image->packets; i++) { for (j=0; j <= (int) p->length; j++) { *q++=DownScale(p->blue); *q++=DownScale(p->green); *q++=DownScale(p->red); if (flopped_image->matte) *q++=p->index; } p--; } else for (i=0; i < flopped_image->packets; i++) { for (runlength=p->length+1; runlength > 128; runlength-=128) { *q++=0xff; *q++=DownScale(p->blue); *q++=DownScale(p->green); *q++=DownScale(p->red); if (flopped_image->matte) *q++=p->index; } r=q; *q++=0x80+(runlength-1); *q++=DownScale(p->blue); *q++=DownScale(p->green); *q++=DownScale(p->red); if (flopped_image->matte) *q++=p->index; if (runlength != 1) p--; else { for ( ; i < flopped_image->packets; i++) { p--; if ((p->length != 0) || (runlength == 128)) break; *q++=DownScale(p->blue); *q++=DownScale(p->green); *q++=DownScale(p->red); if (flopped_image->matte) *q++=p->index; runlength++; } *r=runlength-1; } } } else if (!IsGrayImage(flopped_image) || (flopped_image->colors != 2)) { unsigned char *targa_colormap; /* Dump colormap to file (blue, green, red byte order). */ if (flopped_image->colors > 256) QuantizeImage(flopped_image,256,8,image_info->dither,RGBColorspace); targa_colormap=(unsigned char *) malloc(3*targa_header.colormap_length*sizeof(unsigned char)); if (targa_colormap == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",flopped_image); q=targa_colormap; for (i=0; i < flopped_image->colors; i++) { *q++=DownScale(flopped_image->colormap[i].blue); *q++=DownScale(flopped_image->colormap[i].green); *q++=DownScale(flopped_image->colormap[i].red); } (void) fwrite((char *) targa_colormap,1, (int) 3*targa_header.colormap_length,image->file); free((char *) targa_colormap); /* Convert PseudoClass packet to TARGA colormapped pixel. */ q=targa_pixels; if (flopped_image->compression != RunlengthEncodedCompression) for (i=0; i < flopped_image->packets; i++) { for (j=0; j <= (int) p->length; j++) *q++=p->index; p--; } else for (i=0; i < flopped_image->packets; i++) { for (runlength=p->length+1; runlength > 128; runlength-=128) { *q++=0xff; *q++=p->index; } r=q; *q++=0x80+(runlength-1); *q++=p->index; if (runlength != 1) p--; else { for ( ; i < flopped_image->packets; i++) { p--; if ((p->length != 0) || (runlength == 128)) break; *q++=p->index; runlength++; } *r=runlength-1; } } } else { unsigned int polarity; /* Convert PseudoClass flopped_image to a TARGA monochrome flopped_image. */ polarity=0; if (flopped_image->colors == 2) polarity=Intensity(flopped_image->colormap[0]) > Intensity(flopped_image->colormap[1]); if (flopped_image->compression != RunlengthEncodedCompression) for (i=0; i < flopped_image->packets; i++) { for (j=0; j <= (int) p->length; j++) *q++=p->index == polarity ? 0 : DownScale(MaxRGB); p--; } else for (i=0; i < flopped_image->packets; i++) { for (runlength=p->length+1; runlength > 128; runlength-=128) { *q++=0xff; *q++=p->index == polarity ? 0 : DownScale(MaxRGB); } r=q; *q++=0x80+(runlength-1); *q++=p->index == polarity ? 0 : DownScale(MaxRGB); if (runlength != 1) p--; else { for ( ; i < flopped_image->packets; i++) { p--; if ((p->length != 0) || (runlength == 128)) break; *q++=p->index == polarity ? 0 : DownScale(MaxRGB); runlength++; } *r=runlength-1; } } } (void) fwrite((char *) targa_pixels,1,(int) (q-targa_pixels),image->file); DestroyImage(flopped_image); free((char *) targa_pixels); CloseImage(image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e T E X T I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteTEXTImage writes an image in the TEXT image forma. % % The format of the WriteTEXTImage routine is: % % status=WriteTEXTImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteTEXTImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteTEXTImage(image_info,image) ImageInfo *image_info; Image *image; { unsigned int status; Warning("Cannot write TEXT images",image->filename); status=WriteMIFFImage(image_info,image); return(status); } #ifdef HasTIFF #ifndef va_start #if defined(__STDC__) && !defined(NOSTDHDRS) #include #else #include #endif #endif #include "tiffio.h" /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e T I F F I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteTIFFImage writes an image in the Tagged image file format. % % The format of the WriteTIFFImage routine is: % % status=WriteTIFFImage(image_info,image) % % A description of each parameter follows: % % o status: Function WriteTIFFImage return True if the image is written. % False is returned is there is of a memory shortage or if the image % file cannot be opened for writing. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteTIFFImage(image_info,image) ImageInfo *image_info; Image *image; { #ifndef TIFFDefaultStripSize #define TIFFDefaultStripSize(tiff,request) ((8*1024)/TIFFScanlineSize(tiff)) #endif Image encode_image; int flags, sans_offset; register RunlengthPacket *p; register int i, j, x, y; register unsigned char *q; TIFF *tiff; uint16 compression, photometric; unsigned char *scanline; unsigned int x_resolution, y_resolution; unsigned short value; /* Open TIFF file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); if ((image->file != stdout) && !image->pipe) (void) unlink(image->filename); else { /* Write standard output or pipe to temporary file. */ encode_image=(*image); TemporaryFilename(image->filename); image->temporary=True; } CloseImage(image); tiff=TIFFOpen(image->filename,"wb"); if (tiff == (TIFF *) NULL) return(False); /* Initialize TIFF fields. */ TIFFSetField(tiff,TIFFTAG_DOCUMENTNAME,image->filename); TIFFSetField(tiff,TIFFTAG_SOFTWARE,"ImageMagick"); if (image->comments != (char *) NULL) TIFFSetField(tiff,TIFFTAG_IMAGEDESCRIPTION,image->comments); TIFFSetField(tiff,TIFFTAG_BITSPERSAMPLE,8); if (image->depth == 16) TIFFSetField(tiff,TIFFTAG_BITSPERSAMPLE,16); if (!IsPseudoClass(image) && !IsGrayImage(image)) { /* Full color TIFF raster. */ photometric=PHOTOMETRIC_RGB; TIFFSetField(tiff,TIFFTAG_SAMPLESPERPIXEL,(image->matte ? 4 : 3)); if (image->matte) { uint16 extra_samples, sample_info[1]; /* TIFF has a matte channel. */ extra_samples=1; sample_info[0]=EXTRASAMPLE_ASSOCALPHA; TIFFSetField(tiff,TIFFTAG_EXTRASAMPLES,extra_samples,&sample_info); } } else { /* Colormapped TIFF raster. */ photometric=PHOTOMETRIC_PALETTE; TIFFSetField(tiff,TIFFTAG_SAMPLESPERPIXEL,1); if (IsGrayImage(image)) { /* Grayscale TIFF raster. */ photometric=PHOTOMETRIC_MINISBLACK; if (image->colors == 2) TIFFSetField(tiff,TIFFTAG_BITSPERSAMPLE,1); } } TIFFSetField(tiff,TIFFTAG_PHOTOMETRIC,photometric); TIFFSetField(tiff,TIFFTAG_IMAGELENGTH,(uint32) image->rows); TIFFSetField(tiff,TIFFTAG_IMAGEWIDTH,(uint32) image->columns); TIFFSetField(tiff,TIFFTAG_FILLORDER,FILLORDER_MSB2LSB); TIFFSetField(tiff,TIFFTAG_ORIENTATION,ORIENTATION_TOPLEFT); TIFFSetField(tiff,TIFFTAG_PLANARCONFIG,PLANARCONFIG_CONTIG); TIFFSetField(tiff,TIFFTAG_RESOLUTIONUNIT,(uint16) image->units); flags=0; if (image_info->density != (char *) NULL) flags=XParseGeometry(image_info->density,&sans_offset,&sans_offset, &x_resolution,&y_resolution); if (flags & WidthValue) image->x_resolution=x_resolution; if (flags & HeightValue) image->y_resolution=y_resolution; TIFFSetField(tiff,TIFFTAG_XRESOLUTION,image->x_resolution); TIFFSetField(tiff,TIFFTAG_YRESOLUTION,image->y_resolution); compression=COMPRESSION_LZW; if (!image->matte) if (IsGrayImage(image) && (image->colors == 2)) compression=COMPRESSION_CCITTFAX4; if (image->compression == NoCompression) compression=COMPRESSION_NONE; TIFFSetField(tiff,TIFFTAG_COMPRESSION,compression); TIFFSetField(tiff,TIFFTAG_ROWSPERSTRIP, TIFFDefaultStripSize(tiff,(uint32) (-1))); scanline=(unsigned char *) malloc(TIFFScanlineSize(tiff)); if (scanline == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); p=image->pixels; q=scanline; x=0; y=0; if (photometric == PHOTOMETRIC_RGB) for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { /* Convert DirectClass packets to contiguous RGB scanlines. */ WriteQuantum(p->red,q); WriteQuantum(p->green,q); WriteQuantum(p->blue,q); if (image->matte) WriteQuantum(p->index,q); x++; if (x == image->columns) { if (TIFFWriteScanline(tiff,(char *) scanline,y,0) < 0) break; q=scanline; x=0; y++; } } p++; } else if (photometric == PHOTOMETRIC_PALETTE) { unsigned short *blue, *green, *red; /* Allocate TIFF colormap. */ blue=(unsigned short *) malloc(image->colors*sizeof(unsigned short)); green=(unsigned short *) malloc(image->colors*sizeof(unsigned short)); red=(unsigned short *) malloc(image->colors*sizeof(unsigned short)); if ((blue == (unsigned short *) NULL) || (green == (unsigned short *) NULL) || (red == (unsigned short *) NULL)) PrematureExit("Unable to allocate memory",image); /* Initialize TIFF colormap. */ for (i=0; i < image->colors; i++) { red[i]=(unsigned short) ((image->colormap[i].red*65535U)/MaxRGB); green[i]=(unsigned short) ((image->colormap[i].green*65535U)/MaxRGB); blue[i]=(unsigned short) ((image->colormap[i].blue*65535U)/MaxRGB); } TIFFSetField(tiff,TIFFTAG_COLORMAP,red,green,blue); /* Convert PseudoClass packets to contiguous colormap indexed scanlines. */ for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { WriteQuantum(p->index,q); x++; if (x == image->columns) { if (TIFFWriteScanline(tiff,(char *) scanline,y,0) < 0) break; q=scanline; x=0; y++; } } p++; } free((char *) red); free((char *) green); free((char *) blue); } else if (image->colors > 2) for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { /* Convert PseudoClass packets to contiguous grayscale scanlines. */ WriteQuantum(Intensity(*p),q); x++; if (x == image->columns) { if (TIFFWriteScanline(tiff,(char *) scanline,y,0) < 0) break; q=scanline; x=0; y++; } } p++; } else { register unsigned char bit, byte, polarity; /* Convert PseudoClass packets to contiguous monochrome scanlines. */ polarity=0; if (image->colors == 2) polarity= Intensity(image->colormap[0]) < Intensity(image->colormap[1]); bit=0; byte=0; x=0; for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { byte<<=1; if (p->index == polarity) byte|=0x01; bit++; if (bit == 8) { *q++=byte; bit=0; byte=0; } x++; if (x == image->columns) { /* Advance to the next scanline. */ if (bit != 0) *q++=byte << (8-bit); if (TIFFWriteScanline(tiff,(char *) scanline,y,0) < 0) break; q=scanline; bit=0; byte=0; x=0; y++; } } p++; } } free((char *) scanline); (void) TIFFFlushData(tiff); if (image_info->verbose == True) TIFFPrintDirectory(tiff,stderr,False); (void) TIFFClose(tiff); if (image->temporary) { FILE *file; int c; /* Copy temporary file to standard output or pipe. */ file=fopen(image->filename,"rb"); if (file == (FILE *) NULL) PrematureExit("Unable to open file",image); c=fgetc(file); while (c != EOF) { (void) putc(c,encode_image.file); c=fgetc(file); } (void) fclose(file); (void) unlink(image->filename); CloseImage(&encode_image); } return(True); } #else static unsigned int WriteTIFFImage(image_info,image) ImageInfo *image_info; Image *image; { unsigned int status; Warning("TIFF library is not available",image->filename); status=WriteMIFFImage(image_info,image); return(status); } #endif /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e T I L E I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteTILEImage writes an image in the TILE encoded image format. % % The format of the WriteTILEImage routine is: % % status=WriteTILEImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteTILEImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteTILEImage(image_info,image) ImageInfo *image_info; Image *image; { unsigned int status; Warning("Cannot write TILE images",image->filename); status=WriteMIFFImage(image_info,image); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e V I C A R I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteVICARImage writes an image in the VICAR rasterfile format. % Vicar files contain a text header, followed by one or more planes of binary % grayscale image data. Vicar files are designed to allow many planes to be % stacked together to form image cubes. This routine only writes a single % grayscale plane. % % Function WriteVICARImage was written contributed by % gorelick@esther.la.asu.edu. % % The format of the WriteVICARImage routine is: % % status=WriteVICARImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteVICARImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteVICARImage(image_info,image) ImageInfo *image_info; Image *image; { char header[MaxTextLength], label[16]; int label_size; register int i, j; register RunlengthPacket *p; /* Open output image file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Make a header. */ (void) sprintf(header,"LBLSIZE= FORMAT='BYTE' TYPE='IMAGE'"); (void) sprintf(header+strlen(header)," BUFSIZE=20000 DIM=2 EOL=0"); (void) sprintf(header+strlen(header), " RECSIZE=%d ORG='BSQ' NL=%u NS=%u NB=1",image->columns,image->rows, image->columns); (void) sprintf(header+strlen(header), " N1=0 N2=0 N3=0 N4=0 NBB=0 NLB=0"); (void) sprintf(header+strlen(header)," TASK='ImageMagick'"); /* Compute the size of the label. */ label_size=(strlen(header)+image->columns-1)/image->columns*image->columns; (void) sprintf(label,"%d",label_size); for (i=0 ; i < (int) strlen(label); i++) header[i+8]=label[i]; /* Print the header and enough spaces to pad to label size. */ (void) fprintf(image->file, "%-*s",label_size,header); /* Convert MIFF to VICAR raster pixels. */ RGBTransformImage(image,GRAYColorspace); p=image->pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) (void) fputc(p->red,image->file); p++; } CloseImage(image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e V I F F I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteVIFFImage writes an image to a file in the VIFF image format. % % The format of the WriteVIFFImage routine is: % % status=WriteVIFFImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteVIFFImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteVIFFImage(image_info,image) ImageInfo *image_info; Image *image; { #define VFF_CM_genericRGB 15 #define VFF_CM_NONE 0 #define VFF_DEP_IEEEORDER 0x2 #define VFF_DES_RAW 0 #define VFF_LOC_IMPLICIT 1 #define VFF_MAPTYP_NONE 0 #define VFF_MAPTYP_1_BYTE 1 #define VFF_MS_NONE 0 #define VFF_MS_ONEPERBAND 1 #define VFF_TYP_BIT 0 #define VFF_TYP_1_BYTE 1 typedef struct _ViffHeader { char identifier, file_type, release, version, machine_dependency, reserve[3], comment[512]; unsigned long rows, columns, subrows; long x_offset, y_offset; unsigned int x_pixel_size, y_pixel_size; unsigned long location_type, location_dimension, number_of_images, number_data_bands, data_storage_type, data_encode_scheme, map_scheme, map_storage_type, map_rows, map_columns, map_subrows, map_enable, maps_per_cycle, color_space_model; } ViffHeader; register int i, j; register RunlengthPacket *p; register unsigned char *q; unsigned char buffer[8], *viff_pixels; unsigned long packets; ViffHeader viff_header; /* Open output image file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Initialize VIFF image structure. */ viff_header.identifier=0xab; viff_header.file_type=1; viff_header.release=1; viff_header.version=3; viff_header.machine_dependency=VFF_DEP_IEEEORDER; /* IEEE byte ordering */ *viff_header.comment='\0'; if (image->comments != (char *) NULL) { (void) strncpy(viff_header.comment,image->comments, Min((int) strlen(image->comments),511)); viff_header.comment[Min((int) strlen(image->comments),511)]='\0'; } viff_header.rows=image->columns; viff_header.columns=image->rows; viff_header.subrows=0; viff_header.x_offset=(~0); viff_header.y_offset=(~0); viff_header.x_pixel_size=0; viff_header.y_pixel_size=0; viff_header.location_type=VFF_LOC_IMPLICIT; viff_header.location_dimension=0; viff_header.number_of_images=1; viff_header.data_encode_scheme=VFF_DES_RAW; viff_header.map_scheme=VFF_MS_NONE; viff_header.map_storage_type=VFF_MAPTYP_NONE; viff_header.map_rows=0; viff_header.map_columns=0; viff_header.map_subrows=0; viff_header.map_enable=1; /* no colormap */ viff_header.maps_per_cycle=0; if (!IsPseudoClass(image) && !IsGrayImage(image)) { /* Full color VIFF raster. */ viff_header.number_data_bands=image->matte ? 4 : 3; viff_header.color_space_model=VFF_CM_genericRGB; viff_header.data_storage_type=VFF_TYP_1_BYTE; packets=image->columns*image->rows*viff_header.number_data_bands; } else { viff_header.number_data_bands=1; viff_header.color_space_model=VFF_CM_NONE; viff_header.data_storage_type=VFF_TYP_1_BYTE; packets=image->columns*image->rows; if (!IsGrayImage(image)) { /* Colormapped VIFF raster. */ viff_header.map_scheme=VFF_MS_ONEPERBAND; viff_header.map_storage_type=VFF_MAPTYP_1_BYTE; viff_header.map_rows=3; viff_header.map_columns=image->colors; } else if (image->colors == 2) { /* Monochrome VIFF raster. */ viff_header.data_storage_type=VFF_TYP_BIT; packets=((image->columns+7) >> 3)*image->rows; } } /* Write VIFF image header (pad to 1024 bytes). */ buffer[0]=viff_header.identifier; buffer[1]=viff_header.file_type; buffer[2]=viff_header.release; buffer[3]=viff_header.version; buffer[4]=viff_header.machine_dependency; buffer[5]=viff_header.reserve[0]; buffer[6]=viff_header.reserve[1]; buffer[7]=viff_header.reserve[2]; (void) fwrite((char *) buffer,1,8,image->file); (void) fwrite((char *) viff_header.comment,1,512,image->file); MSBFirstWriteLong(viff_header.rows,image->file); MSBFirstWriteLong(viff_header.columns,image->file); MSBFirstWriteLong(viff_header.subrows,image->file); MSBFirstWriteLong((unsigned long) viff_header.x_offset,image->file); MSBFirstWriteLong((unsigned long) viff_header.y_offset,image->file); MSBFirstWriteLong((unsigned long) viff_header.x_pixel_size,image->file); MSBFirstWriteLong((unsigned long) viff_header.y_pixel_size,image->file); MSBFirstWriteLong(viff_header.location_type,image->file); MSBFirstWriteLong(viff_header.location_dimension,image->file); MSBFirstWriteLong(viff_header.number_of_images,image->file); MSBFirstWriteLong(viff_header.number_data_bands,image->file); MSBFirstWriteLong(viff_header.data_storage_type,image->file); MSBFirstWriteLong(viff_header.data_encode_scheme,image->file); MSBFirstWriteLong(viff_header.map_scheme,image->file); MSBFirstWriteLong(viff_header.map_storage_type,image->file); MSBFirstWriteLong(viff_header.map_rows,image->file); MSBFirstWriteLong(viff_header.map_columns,image->file); MSBFirstWriteLong(viff_header.map_subrows,image->file); MSBFirstWriteLong(viff_header.map_enable,image->file); MSBFirstWriteLong(viff_header.maps_per_cycle,image->file); MSBFirstWriteLong(viff_header.color_space_model,image->file); for (i=0; i < 420; i++) (void) fputc('\0',image->file); /* Convert MIFF to VIFF raster pixels. */ viff_pixels=(unsigned char *) malloc(packets*sizeof(unsigned char)); if (viff_pixels == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); p=image->pixels; q=viff_pixels; if (!IsPseudoClass(image) && !IsGrayImage(image)) { unsigned long offset; /* Convert DirectClass packet to VIFF RGB pixel. */ offset=image->columns*image->rows; for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { *q=DownScale(p->red); *(q+offset)=DownScale(p->green); *(q+offset*2)=DownScale(p->blue); if (image->matte) *(q+offset*3)=(unsigned char) p->index; q++; } p++; } } else if (!IsGrayImage(image)) { unsigned char *viff_colormap; /* Dump colormap to file. */ viff_colormap=(unsigned char *) malloc(image->colors*3*sizeof(unsigned char)); if (viff_colormap == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); q=viff_colormap; for (i=0; i < image->colors; i++) *q++=DownScale(image->colormap[i].red); for (i=0; i < image->colors; i++) *q++=DownScale(image->colormap[i].green); for (i=0; i < image->colors; i++) *q++=DownScale(image->colormap[i].blue); (void) fwrite((char *) viff_colormap,1,(int) image->colors*3, image->file); free((char *) viff_colormap); /* Convert PseudoClass packet to VIFF colormapped pixels. */ q=viff_pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) *q++=p->index; p++; } } else if (image->colors == 2) { register unsigned char bit, byte, polarity; register int x; /* Convert PseudoClass image to a VIFF monochrome image. */ polarity= Intensity(image->colormap[0]) > Intensity(image->colormap[1]); x=0; bit=0; byte=0; for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { byte>>=1; if (p->index == polarity) byte|=0x80; bit++; if (bit == 8) { *q++=byte; bit=0; byte=0; } x++; if (x == image->columns) { /* Advance to the next scanline. */ if (bit != 0) *q++=byte >> (8-bit); bit=0; byte=0; x=0; } } p++; } } else { /* Convert PseudoClass packet to VIFF grayscale pixel. */ for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) *q++=p->red; p++; } } (void) fwrite((char *) viff_pixels,1,(int) packets,image->file); free((char *) viff_pixels); CloseImage(image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e X I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteXImage writes an image to an X server. % % The format of the WriteXImage routine is: % % status=WriteXImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteXImage return True if the image is displayed on % the X server. False is returned is there is a memory shortage or if % the image file fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteXImage(image_info,image) ImageInfo *image_info; Image *image; { Atom wm_delete_window, wm_protocols; char name[MaxTextLength]; Display *display; register char *p; unsigned int status; XGCValues context_values; XResourceInfo resource_info; XrmDatabase resource_database; XEvent event; XPixelInfo pixel_info; XStandardColormap *map_info; XVisualInfo *visual_info; XWindowInfo window_info; /* Open X server connection. */ display=XOpenDisplay(image_info->server_name); if (display == (Display *) NULL) { Warning("Unable to connect to X server", XDisplayName(image_info->server_name)); return(False); } /* Set our forgiving error handler. */ XSetErrorHandler(XError); /* Get user defaults from X resource database. */ resource_database=XGetResourceDatabase(display,client_name); XGetResourceInfo(resource_database,client_name,&resource_info); /* Allocate standard colormap. */ map_info=XAllocStandardColormap(); if (map_info == (XStandardColormap *) NULL) Warning("Unable to create standard colormap","Memory allocation failed"); else { /* Initialize visual info. */ visual_info=XBestVisualInfo(display,map_info,&resource_info); if (visual_info == (XVisualInfo *) NULL) Warning("Unable to get visual",resource_info.visual_type); map_info->colormap=(Colormap) NULL; pixel_info.pixels=(unsigned long *) NULL; } /* Initialize atoms. */ if ((map_info == (XStandardColormap *) NULL) || (visual_info == (XVisualInfo *) NULL)) { XFreeResources(display,visual_info,map_info,(XPixelInfo *) NULL, (XFontStruct *) NULL,&resource_info,(XWindowInfo *) NULL); DestroyImage(image); return(False); } /* Initialize Standard Colormap. */ XMakeStandardColormap(display,visual_info,&resource_info,image,map_info, &pixel_info); /* Initialize window info structure. */ window_info.id=(Window) NULL; XGetWindowInfo(display,visual_info,map_info,&pixel_info,(XFontStruct *) NULL, &resource_info,&window_info); window_info.name=name; p=image->filename+strlen(image->filename)-1; while ((p > image->filename) && (*(p-1) != *BasenameSeparator)) p--; (void) sprintf(window_info.name,"ImageMagick: %s[%u]",p,image->scene); if (image->scene == 0) (void) sprintf(window_info.name,"ImageMagick: %s",p); window_info.width=image->columns; window_info.height=image->rows; window_info.attributes.event_mask=ButtonPressMask | ExposureMask; XMakeWindow(display,XRootWindow(display,visual_info->screen),(char **) NULL,0, (XClassHint *) NULL,(XWMHints *) NULL,&window_info); window_info.x=0; window_info.y=0; window_info.shared_memory=False; /* Graphic context. */ context_values.background=pixel_info.background_color.pixel; context_values.foreground=pixel_info.foreground_color.pixel; pixel_info.annotate_context=XCreateGC(display,window_info.id,GCBackground | GCForeground,&context_values); if (pixel_info.annotate_context == (GC) NULL) Error("Unable to create graphic context",(char *) NULL); window_info.annotate_context=pixel_info.annotate_context; context_values.background=pixel_info.foreground_color.pixel; context_values.foreground=pixel_info.background_color.pixel; pixel_info.highlight_context=XCreateGC(display,window_info.id,GCBackground | GCForeground,&context_values); if (pixel_info.annotate_context == (GC) NULL) Error("Unable to create graphic context",(char *) NULL); window_info.highlight_context=pixel_info.highlight_context; pixel_info.widget_context=(GC) NULL; window_info.widget_context=(GC) NULL; /* Initialize X image. */ status=XMakeImage(display,&resource_info,&window_info,image,image->columns, image->rows); if (status == False) { XFreeResources(display,visual_info,map_info,&pixel_info, (XFontStruct *) NULL,&resource_info,&window_info); PrematureExit("Unable to make X image",image); } free((char *) image->pixels); image->pixels=(RunlengthPacket *) NULL; (void) XMakePixmap(display,&resource_info,&window_info); free(window_info.ximage->data); window_info.ximage->data=(char *) NULL; /* Display image and wait for button press to exit. */ wm_protocols=XInternAtom(display,"WM_PROTOCOLS",False); wm_delete_window=XInternAtom(display,"WM_DELETE_WINDOW",False); XMapWindow(display,window_info.id); for ( ; ; ) { XNextEvent(display,&event); if (event.type == ButtonPress) break; if (event.type == ClientMessage) if (event.xclient.message_type == wm_protocols) if (*event.xclient.data.l == wm_delete_window) if (event.xclient.window == window_info.id) break; if (event.type == Expose) XRefreshWindow(display,&window_info,&event); } XWithdrawWindow(display,window_info.id,window_info.screen); /* Free X resources. */ XFreeResources(display,visual_info,map_info,&pixel_info,(XFontStruct *) NULL, &resource_info,&window_info); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e X B M I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Procedure WriteXBMImage writes an image to a file in the X bitmap format. % % The format of the WriteXBMImage routine is: % % status=WriteXBMImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteXBMImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteXBMImage(image_info,image) ImageInfo *image_info; Image *image; { char name[MaxTextLength]; register int i, j, x; register char *q; register RunlengthPacket *p; register unsigned char bit, byte, polarity; unsigned int count; /* Open output image file. */ OpenImage(image,"w"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Write X bitmap header. */ (void) strcpy(name,image->filename); q=name; while ((*q != '.') && (*q != '\0')) q++; if (*q == '.') *q='\0'; (void) fprintf(image->file,"#define %s_width %u\n",name,image->columns); (void) fprintf(image->file,"#define %s_height %u\n",name,image->rows); (void) fprintf(image->file,"static char %s_bits[] = {\n",name); (void) fprintf(image->file," "); /* Convert MIFF to X bitmap pixels. */ if (!IsGrayImage(image) || (image->colors != 2)) { QuantizeImage(image,2,8,image_info->dither,GRAYColorspace); SyncImage(image); } polarity=0; if (image->colors == 2) polarity=Intensity(image->colormap[0]) > Intensity(image->colormap[1]); bit=0; byte=0; count=0; x=0; p=image->pixels; (void) fprintf(image->file," "); for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { byte>>=1; if (p->index == polarity) byte|=0x80; bit++; if (bit == 8) { /* Write a bitmap byte to the image file. */ (void) fprintf(image->file,"0x%02x, ",byte & 0xff); count++; if (count == 12) { (void) fprintf(image->file,"\n "); count=0; }; bit=0; byte=0; } x++; if (x == image->columns) { if (bit != 0) { /* Write a bitmap byte to the image file. */ byte>>=(8-bit); (void) fprintf(image->file,"0x%02x, ",byte & 0xff); count++; if (count == 12) { (void) fprintf(image->file,"\n "); count=0; }; bit=0; byte=0; }; x=0; } } p++; } (void) fprintf(image->file,"};\n"); CloseImage(image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e X C I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteXCImage writes an image in the X constant image format. % % The format of the WriteXCImage routine is: % % status=WriteXCImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteXCImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteXCImage(image_info,image) ImageInfo *image_info; Image *image; { unsigned int status; Warning("Cannot write XC images",image->filename); status=WriteMIFFImage(image_info,image); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e X P M I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Procedure WriteXPMImage writes an image to a file in the X pixmap format. % % The format of the WriteXPMImage routine is: % % status=WriteXPMImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteXPMImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ #ifdef HasXPM #include "xpm.h" static unsigned int WriteXPMImage(image_info,image) ImageInfo *image_info; Image *image; { char *xpm_buffer; Display *display; int status; register char *p; XResourceInfo resource_info; XrmDatabase resource_database; XImage *matte_image; XPixelInfo pixel_info; XpmAttributes xpm_attributes; XStandardColormap *map_info; XVisualInfo *visual_info; XWindowInfo window_info; /* Open output image file. */ OpenImage(image,"w"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Open X server connection. */ display=XOpenDisplay(image_info->server_name); if (display == (Display *) NULL) { Warning("Unable to connect to X server", XDisplayName(image_info->server_name)); return(False); } /* Set our forgiving error handler. */ XSetErrorHandler(XError); /* Get user defaults from X resource database. */ resource_database=XGetResourceDatabase(display,client_name); XGetResourceInfo(resource_database,client_name,&resource_info); resource_info.colormap=PrivateColormap; /* Allocate standard colormap. */ map_info=XAllocStandardColormap(); if (map_info == (XStandardColormap *) NULL) Warning("Unable to create standard colormap","Memory allocation failed"); else { /* Initialize visual info. */ visual_info=XBestVisualInfo(display,map_info,&resource_info); if (visual_info == (XVisualInfo *) NULL) Warning("Unable to get visual",resource_info.visual_type); map_info->colormap=(Colormap) NULL; pixel_info.pixels=(unsigned long *) NULL; } if ((map_info == (XStandardColormap *) NULL) || (visual_info == (XVisualInfo *) NULL)) { XFreeResources(display,visual_info,map_info,(XPixelInfo *) NULL, (XFontStruct *) NULL,&resource_info,(XWindowInfo *) NULL); DestroyImage(image); return(False); } matte_image=(XImage *) NULL; if (image->matte) { /* Create X shape image. */ matte_image=XCreateImage(display,visual_info->visual,1,XYBitmap,0, (char *) NULL,image->columns,image->rows,XBitmapPad(display),0); if (matte_image == (XImage *) NULL) Warning("Unable to create matte image",(char *) NULL); else { /* Allocate X shape image data. */ matte_image->data=(char *) malloc(matte_image->bytes_per_line*matte_image->height); if (matte_image->data == (char *) NULL) Warning("Unable to create matte image","Memory allocation failed"); else { int x, y; register int i, j; register RunlengthPacket *p; /* Initialize X shape image. */ x=0; y=0; p=image->pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) { XPutPixel(matte_image,x,y,p->index == Transparent ? 0 : 1); x++; if (x == image->columns) { x=0; y++; } } p++; } } } } /* Initialize Standard Colormap. */ if ((image->class == DirectClass) || (image->colors > 256)) { /* Demote DirectClass to PseudoClass. */ QuantizeImage(image,256,8,image_info->dither,RGBColorspace); SyncImage(image); } XMakeStandardColormap(display,visual_info,&resource_info,image,map_info, &pixel_info); pixel_info.annotate_context=(GC) NULL; pixel_info.highlight_context=(GC) NULL; pixel_info.widget_context=(GC) NULL; /* Initialize window info structure. */ window_info.id=(Window) NULL; XGetWindowInfo(display,visual_info,map_info,&pixel_info,(XFontStruct *) NULL, &resource_info,&window_info); p=image->filename+strlen(image->filename)-1; while ((p > image->filename) && (*(p-1) != '/')) p--; window_info.name=p; window_info.width=image->columns; window_info.height=image->rows; XMakeWindow(display,XRootWindow(display,visual_info->screen),(char **) NULL,0, (XClassHint *) NULL,(XWMHints *) NULL,&window_info); window_info.shared_memory=False; /* Initialize X image. */ status=XMakeImage(display,&resource_info,&window_info,image,image->columns, image->rows); if (status == False) { XFreeResources(display,visual_info,map_info,&pixel_info, (XFontStruct *) NULL,&resource_info,&window_info); PrematureExit("Unable to make X image",image); } /* Intialize XPM attributes. */ xpm_attributes.valuemask=XpmColormap | XpmDepth | XpmSize | XpmVisual; xpm_attributes.visual=visual_info->visual; xpm_attributes.depth=visual_info->depth; xpm_attributes.colormap=map_info->colormap; xpm_attributes.width=image->columns; xpm_attributes.height=image->rows; status=XpmCreateBufferFromImage(display,&xpm_buffer,window_info.ximage, matte_image,&xpm_attributes); /* Free X resources. */ if (matte_image != (XImage *) NULL) XDestroyImage(matte_image); XpmFreeAttributes(&xpm_attributes); XFreeResources(display,visual_info,map_info,&pixel_info,(XFontStruct *) NULL, &resource_info,&window_info); if (status != XpmSuccess) PrematureExit("Unable to write image",image); /* Write XPM image. */ (void) fwrite((char *) xpm_buffer,1,strlen(xpm_buffer),image->file); free((char *) xpm_buffer); CloseImage(image); return(True); } #else static unsigned int WriteXPMImage(image_info,image) ImageInfo *image_info; Image *image; { unsigned int status; Warning("XPM library is not available",image->filename); status=WriteMIFFImage(image_info,image); return(status); } #endif /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e Y U V I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteYUVImage writes an image to a file in the digital YUV % (CCIR 601 4:1:1) format. % % The format of the WriteYUVImage routine is: % % status=WriteYUVImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteYUVImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteYUVImage(image_info,image) ImageInfo *image_info; Image *image; { Image *reduced_image; register int i, j; register RunlengthPacket *p; /* Open output image file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Initialize Y channel. */ RGBTransformImage(image,YCbCrColorspace); p=image->pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) (void) fputc(DownScale(p->red),image->file); p++; } /* Scale image. */ image->orphan=True; reduced_image=ReduceImage(image); image->orphan=False; if (reduced_image == (Image *) NULL) PrematureExit("Unable to scale image",image); /* Initialize U channel. */ p=reduced_image->pixels; for (i=0; i < reduced_image->packets; i++) { for (j=0; j <= (int) p->length; j++) (void) fputc(DownScale(p->green),image->file); p++; } /* Initialize V channel. */ p=reduced_image->pixels; for (i=0; i < reduced_image->packets; i++) { for (j=0; j <= (int) p->length; j++) (void) fputc(DownScale(p->blue),image->file); p++; } DestroyImage(reduced_image); TransformRGBImage(image,YCbCrColorspace); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e Y U V 3 I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteYUV3Image writes an image to a file in the digital YUV % (CCIR 601 4:1:1) format. This function differs from WriteYUVImage in that % it write the Y, U, and V planes to separate files (image.Y, image.U, and % image.V). % % The format of the WriteYUV3Image routine is: % % status=WriteYUV3Image(image_info,image) % % A description of each parameter follows. % % o status: Function WriteYUV3Image return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteYUV3Image(image_info,image) ImageInfo *image_info; Image *image; { char filename[MaxTextLength]; Image *reduced_image; register int i, j; register RunlengthPacket *p; /* Open output image file. */ (void) strcpy(filename,image->filename); if (strcmp(image->filename,"-") != 0) (void) strcat(image->filename,".Y"); OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Write Y channel. */ RGBTransformImage(image,YCbCrColorspace); p=image->pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= (int) p->length; j++) (void) fputc(DownScale(p->red),image->file); p++; } CloseImage(image); /* Scale image. */ image->orphan=True; reduced_image=ReduceImage(image); image->orphan=False; if (reduced_image == (Image *) NULL) PrematureExit("Unable to reduce image",image); /* Write U channel. */ (void) strcpy(reduced_image->filename,filename); if (strcmp(reduced_image->filename,"-") != 0) (void) strcat(reduced_image->filename,".U"); OpenImage(reduced_image,"wb"); if (reduced_image->file == (FILE *) NULL) { DestroyImage(reduced_image); PrematureExit("Unable to open file",reduced_image); } p=reduced_image->pixels; for (i=0; i < reduced_image->packets; i++) { for (j=0; j <= (int) p->length; j++) (void) fputc(DownScale(p->green),reduced_image->file); p++; } CloseImage(reduced_image); /* Write V channel. */ (void) strcpy(reduced_image->filename,filename); if (strcmp(reduced_image->filename,"-") != 0) (void) strcat(reduced_image->filename,".V"); OpenImage(reduced_image,"wb"); if (reduced_image->file == (FILE *) NULL) { DestroyImage(reduced_image); PrematureExit("Unable to open file",reduced_image); } p=reduced_image->pixels; for (i=0; i < reduced_image->packets; i++) { for (j=0; j <= (int) p->length; j++) (void) fputc(DownScale(p->blue),reduced_image->file); p++; } CloseImage(reduced_image); DestroyImage(reduced_image); TransformRGBImage(image,YCbCrColorspace); (void) sprintf(image->filename,filename); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e X W D I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteXWDImage writes an image to a file in X window dump % rasterfile format. % % The format of the WriteXWDImage routine is: % % status=WriteXWDImage(image_info,image) % % A description of each parameter follows. % % o status: Function WriteXWDImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ static unsigned int WriteXWDImage(image_info,image) ImageInfo *image_info; Image *image; { int x; register int i, j, k; register RunlengthPacket *p; unsigned int bits_per_pixel, bytes_per_line, scanline_pad; unsigned long lsb_first; XWDFileHeader xwd_header; /* Open output image file. */ OpenImage(image,"wb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Initialize XWD file header. */ xwd_header.header_size=sz_XWDheader+strlen(image->filename)+1; xwd_header.file_version=(unsigned long) XWD_FILE_VERSION; xwd_header.pixmap_format=(unsigned long) ZPixmap; xwd_header.pixmap_depth=(unsigned long) (image->class == DirectClass ? 24 : 8); xwd_header.pixmap_width=(unsigned long) image->columns; xwd_header.pixmap_height=(unsigned long) image->rows; xwd_header.xoffset=(unsigned long) 0; xwd_header.byte_order=(unsigned long) MSBFirst; xwd_header.bitmap_unit=(unsigned long) (image->class == DirectClass ? 32 : 8); xwd_header.bitmap_bit_order=(unsigned long) MSBFirst; xwd_header.bitmap_pad=(unsigned long) (image->class == DirectClass ? 32 : 8); bits_per_pixel=(image->class == DirectClass ? 24 : 8); xwd_header.bits_per_pixel=(unsigned long) bits_per_pixel; bytes_per_line=(unsigned long) ((((xwd_header.bits_per_pixel* xwd_header.pixmap_width)+((xwd_header.bitmap_pad)-1))/ (xwd_header.bitmap_pad))*((xwd_header.bitmap_pad) >> 3)); xwd_header.bytes_per_line=(unsigned long) bytes_per_line; xwd_header.visual_class=(unsigned long) (image->class == DirectClass ? DirectColor : PseudoColor); xwd_header.red_mask=(unsigned long) (image->class == DirectClass ? 0xff0000 : 0); xwd_header.green_mask=(unsigned long) (image->class == DirectClass ? 0xff00 : 0); xwd_header.blue_mask=(unsigned long) (image->class == DirectClass ? 0xff : 0); xwd_header.bits_per_rgb=(unsigned long) (image->class == DirectClass ? 24 : 8); xwd_header.colormap_entries=(unsigned long) (image->class == DirectClass ? 256 : image->colors); xwd_header.ncolors=(image->class == DirectClass ? 0 : image->colors); xwd_header.window_width=(unsigned long) image->columns; xwd_header.window_height=(unsigned long) image->rows; xwd_header.window_x=0; xwd_header.window_y=0; xwd_header.window_bdrwidth=(unsigned long) 0; /* Write XWD header. */ lsb_first=1; if (*(char *) &lsb_first) MSBFirstOrderLong((char *) &xwd_header,sizeof(xwd_header)); (void) fwrite((char *) &xwd_header,sz_XWDheader,1,image->file); (void) fwrite((char *) image->filename,1,strlen(image->filename)+1, image->file); if (image->class == PseudoClass) { XColor *colors; XWDColor color; /* Dump colormap to file. */ colors=(XColor *) malloc(image->colors*sizeof(XColor)); if (colors == (XColor *) NULL) PrematureExit("Unable to allocate memory",image); for (i=0; i < image->colors; i++) { colors[i].pixel=i; colors[i].red=XUpScale(image->colormap[i].red); colors[i].green=XUpScale(image->colormap[i].green); colors[i].blue=XUpScale(image->colormap[i].blue); colors[i].flags=DoRed | DoGreen | DoBlue; colors[i].pad=0; if (*(char *) &lsb_first) { MSBFirstOrderLong((char *) &colors[i].pixel,sizeof(long)); MSBFirstOrderShort((char *) &colors[i].red,3*sizeof(short)); } } for (i=0; i < image->colors; i++) { color.pixel=colors[i].pixel; color.red=colors[i].red; color.green=colors[i].green; color.blue=colors[i].blue; color.flags=colors[i].flags; (void) fwrite((char *) &color,sz_XWDColor,1,image->file); } free((char *) colors); } /* Convert MIFF to XWD raster pixels. */ scanline_pad=(unsigned int) (bytes_per_line-((image->columns*bits_per_pixel) >> 3)); x=0; p=image->pixels; for (i=0; i < image->packets; i++) { for (j=0; j <= ((int) p->length); j++) { if (image->class == PseudoClass) (void) fputc(p->index,image->file); else { (void) fputc(DownScale(p->red),image->file); (void) fputc(DownScale(p->green),image->file); (void) fputc(DownScale(p->blue),image->file); } x++; if (x == image->columns) { for (k=0; k < scanline_pad; k++) (void) fputc(0,image->file); x=0; } } p++; } CloseImage(image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % W r i t e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function WriteImage writes an image to a file. You can specify a % particular image format by prefixing the file with the image type and a % colon (i.e. ps:image) or specify the image type as the filename suffix % (i.e. image.ps). % % The format of the WriteImage routine is: % % status=WriteImage(image_info,image) % % A description of each parameter follows: % % o status: Function WriteImage return True if the image is written. % False is returned is there is a memory shortage or if the image file % fails to write. % % o image_info: Specifies a pointer to an ImageInfo structure. % % o image: A pointer to a Image structure. % % */ unsigned int WriteImage(image_info,image) ImageInfo *image_info; Image *image; { unsigned int status; /* Call appropriate image writer based on image type. */ (void) strcpy(image_info->filename,image->filename); (void) strcpy(image_info->magick,image->magick); SetImageMagick(image_info); (void) strcpy(image->filename,image_info->filename); switch (*image_info->magick) { case 'A': { status=WriteAVSImage(image_info,image); break; } case 'B': { if (strcmp(image_info->magick,"BIE") == 0) status=WriteJBIGImage(image_info,image); else status=WriteBMPImage(image_info,image); break; } case 'C': { status=WriteCMYKImage(image_info,image); break; } case 'E': { status=WritePSImage(image_info,image); break; } case 'F': { if (strcmp(image_info->magick,"FAX") == 0) status=WriteFAXImage(image_info,image); else status=WriteFITSImage(image_info,image); break; } case 'G': { if (strcmp(image_info->magick,"GIF") == 0) status=WriteGIFImage(image_info,image); else if (strcmp(image_info->magick,"GIF87") == 0) status=WriteGIFImage(image_info,image); else if (strcmp(image_info->magick,"GRAY") == 0) status=WriteGRAYImage(image_info,image); else status=WriteFAXImage(image_info,image); break; } case 'H': { if (strcmp(image_info->magick,"HDF") == 0) status=WriteHDFImage(image_info,image); else if (strcmp(image_info->magick,"HISTOGRAM") == 0) status=WriteHISTOGRAMImage(image_info,image); else status=WriteHTMLImage(image_info,image); break; } case 'J': { if (strcmp(image_info->magick,"JBIG") == 0) status=WriteJBIGImage(image_info,image); else status=WriteJPEGImage(image_info,image); break; } case 'L': { status=WriteLOGOImage(image_info,image); break; } case 'M': { if (strcmp(image_info->magick,"MAP") == 0) status=WriteMAPImage(image_info,image); else if (strcmp(image_info->magick,"MATTE") == 0) status=WriteMATTEImage(image_info,image); else if (strcmp(image_info->magick,"MIFF") == 0) status=WriteMIFFImage(image_info,image); else if ((strcmp(image_info->magick,"MPEG") == 0) || (strcmp(image_info->magick,"MPG") == 0)) status=WriteMPEGImage(image_info,image); else status=WriteMTVImage(image_info,image); break; } case 'N': break; case 'P': { if (strcmp(image_info->magick,"PCD") == 0) status=WritePCDImage(image_info,image); else if (strcmp(image_info->magick,"PCX") == 0) status=WritePCXImage(image_info,image); else if (strcmp(image_info->magick,"PDF") == 0) status=WritePDFImage(image_info,image); else if (strcmp(image_info->magick,"PICT") == 0) status=WritePICTImage(image_info,image); else if (strcmp(image_info->magick,"PM") == 0) status=WriteXPMImage(image_info,image); else if (strcmp(image_info->magick,"PNG") == 0) status=WritePNGImage(image_info,image); else if (strcmp(image_info->magick,"PS") == 0) status=WritePSImage(image_info,image); else if (strcmp(image_info->magick,"PS2") == 0) status=WritePS2Image(image_info,image); else status=WritePNMImage(image_info,image); break; } case 'R': { if (strcmp(image_info->magick,"RAD") == 0) status=WriteRADIANCEImage(image_info,image); else if (strcmp(image_info->magick,"RAS") == 0) status=WriteSUNImage(image_info,image); else if ((strcmp(image_info->magick,"RGB") == 0) || (strcmp(image_info->magick,"RGBA") == 0)) status=WriteRGBImage(image_info,image); else status=WriteRLEImage(image_info,image); break; } case 'S': { if (strcmp(image_info->magick,"SGI") == 0) status=WriteSGIImage(image_info,image); else status=WriteSUNImage(image_info,image); break; } case 'T': { if (strcmp(image_info->magick,"TEXT") == 0) status=WriteTEXTImage(image_info,image); else if (strcmp(image_info->magick,"TGA") == 0) status=WriteTARGAImage(image_info,image); else if ((strcmp(image_info->magick,"TIF") == 0) || (strcmp(image_info->magick,"TIFF") == 0)) status=WriteTIFFImage(image_info,image); else status=WriteTILEImage(image_info,image); break; } case 'V': { if (strcmp(image_info->magick,"VICAR") == 0) status=WriteVICARImage(image_info,image); else if (strcmp(image_info->magick,"VID") == 0) status=WriteMIFFImage(image_info,image); else status=WriteVIFFImage(image_info,image); break; } case 'X': { if (strcmp(image_info->magick,"X") == 0) status=WriteXImage(image_info,image); else if (strcmp(image_info->magick,"XBM") == 0) status=WriteXBMImage(image_info,image); else if (strcmp(image_info->magick,"XC") == 0) status=WriteXCImage(image_info,image); else if (strcmp(image_info->magick,"XPM") == 0) status=WriteXPMImage(image_info,image); else if (strcmp(image_info->magick,"XV") == 0) status=WriteVIFFImage(image_info,image); else status=WriteXWDImage(image_info,image); break; } case 'Y': { if (strcmp(image_info->magick,"YUV") == 0) status=WriteYUVImage(image_info,image); else status=WriteYUV3Image(image_info,image); break; } default: status=WriteMIFFImage(image_info,image); } if (image->status) { Warning("An error has occurred writing to file",image->filename); return(False); } (void) strcpy(image->magick,image_info->magick); return(status); } xwd_header.window_y=0; xwd_header.window_bdrwidth=(unsigned long) 0; /* Write XWD header. */ lsb_first=1; if (*(char *) &lsb_first) ./ImageMagick/magick/decode.c010064400000240000024000012544530602410232000171140ustar00cristycristy00002330000007/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % DDDD EEEEE CCCC OOO DDDD EEEEE % % D D E C O O D D E % % D D EEE C O O D D EEE % % D D E C O O D D E % % DDDD EEEEE CCCC OOO DDDD EEEEE % % % % % % Utility Routines to Read Image Formats % % % % % % % % Software Design % % John Cristy % % January 1992 % % % % % % Copyright 1995 E. I. du Pont de Nemours and Company % % % % Permission to use, copy, modify, distribute, and sell this software and % % its documentation for any purpose is hereby granted without fee, % % provided that the above Copyright notice appear in all copies and that % % both that Copyright notice and this permission notice appear in % % supporting documentation, and that the name of E. I. du Pont de Nemours % % and Company not be used in advertising or publicity pertaining to % % distribution of the software without specific, written prior % % permission. E. I. du Pont de Nemours and Company makes no representations % % about the suitability of this software for any purpose. It is provided % % "as is" without express or implied warranty. % % % % E. I. du Pont de Nemours and Company disclaims all warranties with regard % % to this software, including all implied warranties of merchantability % % and fitness, in no event shall E. I. du Pont de Nemours and Company be % % liable for any special, indirect or consequential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, negligence or other tortuous action, arising % % out of or in connection with the use or performance of this software. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Functions in this library convert to and from `alien' image formats to the % MIFF image format. % % */ /* Include declarations. */ #include "magick.h" #include "image.h" #include "compress.h" #include "utility.h" #include "X.h" #include "XWDFile.h" /* Define declarations. */ #define PrematureExit(message,image) \ { \ Warning(message,image->filename); \ DestroyImages(image); \ return((Image *) NULL); \ } /* Forward declarations. */ Image *ReadImage _Declare((ImageInfo *)); static Image *ReadMIFFImage _Declare((ImageInfo *)), *ReadPNMImage _Declare((ImageInfo *)), *ReadXCImage _Declare((ImageInfo *)); /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d A V S I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadAVSImage reads a AVS X image file and returns it. It % allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % The format of the ReadAVSImage routine is: % % image=ReadAVSImage(image_info) % % A description of each parameter follows: % % o image: Function ReadAVSImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or if % the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadAVSImage(image_info) ImageInfo *image_info; { typedef struct _AVSHeader { int width, height; } AVSHeader; AVSHeader avs_header; Image *image; Quantum blue, green, red; register int i; register RunlengthPacket *q; unsigned int packets, status; unsigned short index; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Read AVS image. */ status=ReadData((char *) &avs_header,1,(unsigned int) sizeof(AVSHeader), image->file); if (status == False) PrematureExit("Not a AVS image file",image); do { /* Initialize image structure. */ image->matte=True; image->columns=avs_header.width; image->rows=avs_header.height; image->packets=0; packets=Max((image->columns*image->rows+4) >> 3,1); image->pixels=(RunlengthPacket *) malloc(packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); /* Convert AVS raster image to runlength-encoded packets. */ q=image->pixels; q->length=MaxRunlength; for (i=0; i < (image->columns*image->rows); i++) { index=Opaque-fgetc(image->file); red=UpScale(fgetc(image->file)); green=UpScale(fgetc(image->file)); blue=UpScale(fgetc(image->file)); if ((red == q->red) && (green == q->green) && (blue == q->blue) && (index == q->index) && ((int) q->length < MaxRunlength)) q->length++; else { if (image->packets != 0) q++; image->packets++; if (image->packets == packets) { packets<<=1; image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); q=image->pixels+image->packets-1; } q->red=red; q->green=green; q->blue=blue; q->index=index; q->length=0; } } image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,image->packets*sizeof(RunlengthPacket)); status=ReadData((char *) &avs_header,1,(unsigned int) sizeof(AVSHeader), image->file); if (status == True) { /* Allocate image structure. */ image->next=AllocateImage(image_info); if (image->next == (Image *) NULL) { DestroyImages(image); return((Image *) NULL); } (void) strcpy(image->next->filename,image_info->filename); image->next->file=image->file; image->next->scene=image->scene+1; image->next->previous=image; image=image->next; } } while (status == True); while (image->previous != (Image *) NULL) image=image->previous; CloseImage(image); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d B M P I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadBMPImage reads a Microsoft Windows bitmap image file and % returns it. It allocates the memory necessary for the new Image structure % and returns a pointer to the new image. % % The format of the ReadBMPImage routine is: % % image=ReadBMPImage(image_info) % % A description of each parameter follows: % % o image: Function ReadBMPImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadBMPImage(image_info) ImageInfo *image_info; { typedef struct _BMPHeader { unsigned long file_size; unsigned short reserved[2]; unsigned long offset_bits, size, width, height; unsigned short planes, bit_count; unsigned long compression, image_size, x_pixels, y_pixels, number_colors, colors_important; } BMPHeader; BMPHeader bmp_header; Image *image; register int bit, i, x, y; register RunlengthPacket *q; register unsigned char *p; unsigned char *bmp_data, *bmp_pixels, magick[12]; unsigned int bytes_per_line, start_position, status; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Determine if this is a BMP file. */ status=ReadData((char *) magick,1,2,image->file); do { start_position = ftell(image->file)-2; /* Verify BMP identifier. */ if ((status == False) || (strncmp((char *) magick,"BM",2) != 0)) PrematureExit("Not a BMP image file",image); bmp_header.file_size=LSBFirstReadLong(image->file); bmp_header.reserved[0]=LSBFirstReadShort(image->file); bmp_header.reserved[1]=LSBFirstReadShort(image->file); bmp_header.offset_bits=LSBFirstReadLong(image->file); bmp_header.size=LSBFirstReadLong(image->file); if (bmp_header.size == 12) { /* OS/2 BMP image file. */ bmp_header.width=(unsigned long) LSBFirstReadShort(image->file); bmp_header.height=(unsigned long) LSBFirstReadShort(image->file); bmp_header.planes=LSBFirstReadShort(image->file); bmp_header.bit_count=LSBFirstReadShort(image->file); bmp_header.number_colors=0; bmp_header.compression=0; bmp_header.image_size=0; } else { /* Microsoft Windows BMP image file. */ bmp_header.width=LSBFirstReadLong(image->file); bmp_header.height=LSBFirstReadLong(image->file); bmp_header.planes=LSBFirstReadShort(image->file); bmp_header.bit_count=LSBFirstReadShort(image->file); bmp_header.compression=LSBFirstReadLong(image->file); bmp_header.image_size=LSBFirstReadLong(image->file); bmp_header.x_pixels=LSBFirstReadLong(image->file); bmp_header.y_pixels=LSBFirstReadLong(image->file); bmp_header.number_colors=LSBFirstReadLong(image->file); bmp_header.colors_important=LSBFirstReadLong(image->file); for (i=0; i < ((int) bmp_header.size-40); i++) (void) fgetc(image->file); } if (bmp_header.bit_count < 24) { unsigned char *bmp_colormap; unsigned int packet_size; /* Read BMP raster colormap. */ image->class=PseudoClass; image->colors=bmp_header.number_colors; if (image->colors == 0) image->colors=1 << bmp_header.bit_count; image->colormap=(ColorPacket *) malloc(image->colors*sizeof(ColorPacket)); bmp_colormap=(unsigned char *) malloc(4*image->colors*sizeof(unsigned char)); if ((image->colormap == (ColorPacket *) NULL) || (bmp_colormap == (unsigned char *) NULL)) PrematureExit("Unable to allocate memory",image); packet_size=4; if (bmp_header.size == 12) packet_size=3; (void) ReadData((char *) bmp_colormap,packet_size,image->colors, image->file); p=bmp_colormap; for (i=0; i < image->colors; i++) { image->colormap[i].blue=UpScale(*p++); image->colormap[i].green=UpScale(*p++); image->colormap[i].red=UpScale(*p++); if (bmp_header.size != 12) p++; } free((char *) bmp_colormap); } /* Read image data. */ while (ftell(image->file) < (start_position+bmp_header.offset_bits)) (void) fgetc(image->file); if (bmp_header.image_size == 0) bmp_header.image_size= ((bmp_header.width*bmp_header.bit_count+31)/32)*4*bmp_header.height; bmp_data=(unsigned char *) malloc(bmp_header.image_size*sizeof(unsigned char)); if (bmp_data == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); status=ReadData((char *) bmp_data,1,(unsigned int) bmp_header.image_size, image->file); if (status == False) PrematureExit("Unable to read image data",image); bmp_pixels=bmp_data; if (bmp_header.compression != 0) { unsigned int packets; /* Convert run-length encoded raster pixels. */ packets= ((bmp_header.width*bmp_header.bit_count+31)/32)*4*bmp_header.height; if (bmp_header.compression == 2) packets<<=1; bmp_pixels=(unsigned char *) malloc(packets*sizeof(unsigned char)); if (bmp_pixels == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); (void) BMPDecodeImage(bmp_data,bmp_pixels, (unsigned int) bmp_header.compression,(unsigned int) bmp_header.width, (unsigned int) bmp_header.height); if (bmp_header.compression == 2) bmp_header.bit_count<<=1; free((char *) bmp_data); } /* Initialize image structure. */ image->columns=bmp_header.width; image->rows=bmp_header.height; image->packets=image->columns*image->rows; image->pixels=(RunlengthPacket *) malloc(image->packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); /* Convert BMP raster image to runlength-encoded packets. */ bytes_per_line=((image->columns*bmp_header.bit_count+31)/32)*4; switch (bmp_header.bit_count) { case 1: { /* Convert bitmap scanline to runlength-encoded color packets. */ for (y=image->rows-1; y >= 0; y--) { p=bmp_pixels+(image->rows-y-1)*bytes_per_line; q=image->pixels+(y*image->columns); for (x=0; x < (image->columns-7); x+=8) { for (bit=0; bit < 8; bit++) { q->index=((*p) & (0x80 >> bit) ? 0x01 : 0x00); q->length=0; q++; } p++; } if ((image->columns % 8) != 0) { for (bit=0; bit < (image->columns % 8); bit++) { q->index=((*p) & (0x80 >> bit) ? 0x01 : 0x00); q->length=0; q++; } p++; } } SyncImage(image); break; } case 4: { /* Convert PseudoColor scanline to runlength-encoded color packets. */ for (y=image->rows-1; y >= 0; y--) { p=bmp_pixels+(image->rows-y-1)*bytes_per_line; q=image->pixels+(y*image->columns); for (x=0; x < (image->columns-1); x+=2) { q->index=(*p >> 4) & 0xf; q->length=0; q++; q->index=(*p) & 0xf; q->length=0; p++; q++; } if ((image->columns % 2) != 0) { q->index=(*p >> 4) & 0xf; q->length=0; q++; p++; } } SyncImage(image); CompressColormap(image); break; } case 8: { /* Convert PseudoColor scanline to runlength-encoded color packets. */ if (bmp_header.compression == 1) bytes_per_line=image->columns; for (y=image->rows-1; y >= 0; y--) { p=bmp_pixels+(image->rows-y-1)*bytes_per_line; q=image->pixels+(y*image->columns); for (x=0; x < image->columns; x++) { q->index=(*p++); q->length=0; q++; } } SyncImage(image); CompressColormap(image); break; } case 24: { /* Convert DirectColor scanline to runlength-encoded color packets. */ for (y=image->rows-1; y >= 0; y--) { p=bmp_pixels+(image->rows-y-1)*bytes_per_line; q=image->pixels+(y*image->columns); for (x=0; x < image->columns; x++) { q->index=(unsigned short) (image->matte ? (*p++) : 0); q->blue=UpScale(*p++); q->green=UpScale(*p++); q->red=UpScale(*p++); q->length=0; q++; } } break; } default: PrematureExit("Not a BMP image file",image); } free((char *) bmp_pixels); CompressImage(image); /* Proceed to next image. */ status=ReadData((char *) magick,1,2,image->file); if ((status == True) && (strncmp((char *) magick,"BM",2) == 0)) { /* Allocate image structure. */ image->next=AllocateImage(image_info); if (image->next == (Image *) NULL) { DestroyImages(image); return((Image *) NULL); } (void) strcpy(image->next->filename,image_info->filename); image->next->file=image->file; image->next->scene=image->scene+1; image->next->previous=image; image=image->next; } } while ((status == True) && (strncmp((char *) magick,"BM",2) == 0)); while (image->previous != (Image *) NULL) image=image->previous; CloseImage(image); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d C M Y K I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadCMYKImage reads an image of raw cyan, magenta, yellow, and % black bytes and returns it. It allocates the memory necessary for the new % Image structure and returns a pointer to the new image. % % The format of the ReadCMYKImage routine is: % % image=ReadCMYKImage(image_info) % % A description of each parameter follows: % % o image: Function ReadCMYKImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadCMYKImage(image_info) ImageInfo *image_info; { Image *image; int x, y; register int i; register RunlengthPacket *q; register unsigned char *p; unsigned char *cmyk_pixels; unsigned int black, cyan, height, magenta, yellow, width; unsigned short value; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Determine width and height, e.g. 640x512. */ width=512; height=512; x=0; if (image_info->size != (char *) NULL) (void) XParseGeometry(image_info->size,&x,&y,&width,&height); for (i=0; i < x; i++) (void) fgetc(image->file); /* Initialize image structure. */ image->columns=width; image->rows=height; image->packets=image->columns*image->rows; cmyk_pixels=(unsigned char *) malloc(4*image->packets*sizeof(unsigned char)); image->pixels=(RunlengthPacket *) malloc(image->packets*sizeof(RunlengthPacket)); if ((cmyk_pixels == (unsigned char *) NULL) || (image->pixels == (RunlengthPacket *) NULL)) PrematureExit("Unable to allocate memory",image); /* Convert raster image to runlength-encoded packets. */ (void) ReadData((char *) cmyk_pixels,4,image->packets,image->file); p=cmyk_pixels; switch (image_info->interlace) { case NoneInterlace: default: { /* No interlacing: CMYKCMYKCMYKCMYKCMYKCMYK... */ q=image->pixels; for (i=0; i < image->packets; i++) { ReadQuantum(q->red,p); ReadQuantum(q->green,p); ReadQuantum(q->blue,p); ReadQuantum(q->index,p); q->length=0; q++; } break; } case LineInterlace: { /* Line interlacing: CCC...MMM...YYY...KKK...CCC...MMM...YYY...KKK... */ for (y=0; y < image->rows; y++) { q=image->pixels+y*image->columns; for (x=0; x < image->columns; x++) { ReadQuantum(q->red,p); q->length=0; q++; } q=image->pixels+y*image->columns; for (x=0; x < image->columns; x++) { ReadQuantum(q->green,p); q++; } q=image->pixels+y*image->columns; for (x=0; x < image->columns; x++) { ReadQuantum(q->blue,p); q++; } q=image->pixels+y*image->columns; for (x=0; x < image->columns; x++) { ReadQuantum(q->index,p); q++; } } break; } case PlaneInterlace: { /* Plane interlacing: CCCCCC...MMMMMM...YYYYYY...KKKKKK... */ q=image->pixels; for (i=0; i < image->packets; i++) { ReadQuantum(q->red,p); q->length=0; q++; } q=image->pixels; for (i=0; i < image->packets; i++) { ReadQuantum(q->green,p); q++; } q=image->pixels; for (i=0; i < image->packets; i++) { ReadQuantum(q->blue,p); q++; } q=image->pixels; for (i=0; i < image->packets; i++) { ReadQuantum(q->index,p); q++; } break; } } /* Transform image to CMYK. */ q=image->pixels; for (i=0; i < image->packets; i++) { cyan=q->red; magenta=q->green; yellow=q->blue; black=q->index; if ((cyan+black) > MaxRGB) q->red=0; else q->red=MaxRGB-(cyan+black); if ((magenta+black) > MaxRGB) q->green=0; else q->green=MaxRGB-(magenta+black); if ((yellow+black) > MaxRGB) q->blue=0; else q->blue=MaxRGB-(yellow+black); q->index=0; q->length=0; q++; } free((char *) cmyk_pixels); CompressImage(image); CloseImage(image); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d F A X I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadFAXImage reads a Group 3 FAX image file and returns it. It % allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % The format of the ReadFAXImage routine is: % % image=ReadFAXImage(image_info) % % A description of each parameter follows: % % o image: Function ReadFAXImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadFAXImage(image_info) ImageInfo *image_info; { Image *image; unsigned int status; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Initialize image structure. */ image->class=PseudoClass; image->columns=1728; image->rows=2156; image->packets=Max((image->columns*image->rows+8) >> 4,1); image->pixels=(RunlengthPacket *) malloc(image->packets*sizeof(RunlengthPacket)); image->colors=2; image->colormap=(ColorPacket *) malloc(image->colors*sizeof(ColorPacket)); if ((image->pixels == (RunlengthPacket *) NULL) || (image->colormap == (ColorPacket *) NULL)) PrematureExit("Unable to allocate memory",image); /* Monochrome colormap. */ image->colormap[0].red=MaxRGB; image->colormap[0].green=MaxRGB; image->colormap[0].blue=MaxRGB; image->colormap[1].red=0; image->colormap[1].green=0; image->colormap[1].blue=0; status=HuffmanDecodeImage(image); if (status == False) PrematureExit("Unable to read image data",image); CloseImage(image); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d F I T S I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadFITSImage reads a FITS image file and returns it. It % allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % The format of the ReadFITSImage routine is: % % image=ReadFITSImage(image_info) % % A description of each parameter follows: % % o image: Function ReadFITSImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or if % the image cannot be read. % % o filename: Specifies the name of the image to read. % % */ static Image *ReadFITSImage(image_info) ImageInfo *image_info; { typedef struct _FITSHeader { unsigned int simple; int bits_per_pixel; unsigned int number_of_axis, columns, rows, depth; double min_data, max_data, zero, scale; } FITSHeader; char keyword[MaxTextLength], value[MaxTextLength]; double pixel, scale, scaled_pixel; FITSHeader fits_header; Image *image; int packet_size; long count, quantum; register int c, i, j; register RunlengthPacket *q; register unsigned char *p; unsigned char *fits_pixels; unsigned int status, value_expected; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Initialize image header. */ fits_header.simple=False; fits_header.bits_per_pixel=8; fits_header.columns=1; fits_header.rows=1; fits_header.depth=1; fits_header.min_data=0.0; fits_header.max_data=0.0; fits_header.zero=0.0; fits_header.scale=1.0; /* Decode image header. */ c=fgetc(image->file); count=1; if (c == EOF) { DestroyImage(image); return((Image *) NULL); } for ( ; ; ) { if (!isalnum(c)) { c=fgetc(image->file); count++; } else { register char *p; /* Determine a keyword and its value. */ p=keyword; do { if ((p-keyword) < (MaxTextLength-1)) *p++=(char) c; c=fgetc(image->file); count++; } while (isalnum(c) || (c == '_')); *p='\0'; if (strcmp(keyword,"END") == 0) break; value_expected=False; while (isspace(c) || (c == '=')) { if (c == '=') value_expected=True; c=fgetc(image->file); count++; } if (value_expected == False) continue; p=value; while (isalnum(c) || (c == '-') || (c == '+') || (c == '.')) { if ((p-value) < (MaxTextLength-1)) *p++=(char) c; c=fgetc(image->file); count++; } *p='\0'; /* Assign a value to the specified keyword. */ if (strcmp(keyword,"SIMPLE") == 0) fits_header.simple=(*value == 'T') || (*value == 't'); if (strcmp(keyword,"BITPIX") == 0) fits_header.bits_per_pixel=(unsigned int) atoi(value); if (strcmp(keyword,"NAXIS") == 0) fits_header.number_of_axis=(unsigned int) atoi(value); if (strcmp(keyword,"NAXIS1") == 0) fits_header.columns=(unsigned int) atoi(value); if (strcmp(keyword,"NAXIS2") == 0) fits_header.rows=(unsigned int) atoi(value); if (strcmp(keyword,"NAXIS3") == 0) fits_header.depth=(unsigned int) atoi(value); if (strcmp(keyword,"DATAMAX") == 0) fits_header.max_data=atof(value); if (strcmp(keyword,"DATAMIN") == 0) fits_header.min_data=atof(value); if (strcmp(keyword,"BZERO") == 0) fits_header.zero=atof(value); if (strcmp(keyword,"BSCALE") == 0) fits_header.scale=atof(value); } while (isspace(c)) { c=fgetc(image->file); count++; } } while (count > 2880) count-=2880; for ( ; count < 2880; count++) (void) fgetc(image->file); /* Verify that required image information is defined. */ if ((!fits_header.simple) || (fits_header.number_of_axis < 1) || (fits_header.number_of_axis > 3) || (fits_header.columns*fits_header.rows) == 0) PrematureExit("image type not supported",image); /* Create linear colormap. */ image->columns=fits_header.columns; image->rows=fits_header.rows; image->class=PseudoClass; image->colors=MaxRGB+1; image->colormap=(ColorPacket *) malloc(image->colors*sizeof(ColorPacket)); if (image->colormap == (ColorPacket *) NULL) PrematureExit("Unable to open file",image); for (i=0; i < image->colors; i++) { image->colormap[i].red=(Quantum) UpScale(i); image->colormap[i].green=(Quantum) UpScale(i); image->colormap[i].blue=(Quantum) UpScale(i); } /* Initialize image structure. */ image->packets=image->columns*image->rows; image->pixels=(RunlengthPacket *) malloc(image->packets*sizeof(RunlengthPacket)); packet_size=fits_header.bits_per_pixel/8; if (packet_size < 0) packet_size=(-packet_size); fits_pixels=(unsigned char *) malloc(image->packets*packet_size*sizeof(unsigned char)); if ((image->pixels == (RunlengthPacket *) NULL) || (fits_pixels == (unsigned char *) NULL)) PrematureExit("Unable to allocate memory",image); /* Convert FITS pixels to runlength-encoded packets. */ status=ReadData((char *) fits_pixels,(unsigned int) packet_size, image->packets,image->file); if (status == False) Warning("Insufficient image data in file",image->filename); if ((fits_header.min_data == 0.0) && (fits_header.max_data == 0.0)) { /* Determine minimum and maximum intensity. */ p=fits_pixels; quantum=(*p++); for (j=0; j < (packet_size-1); j++) quantum=(quantum << 8) | (*p++); pixel=(double) quantum; if (fits_header.bits_per_pixel == -32) pixel=(double) (*((float *) &quantum)); fits_header.min_data=pixel*fits_header.scale+fits_header.zero; fits_header.max_data=pixel*fits_header.scale+fits_header.zero; for (i=1; i < image->packets; i++) { quantum=(*p++); for (j=0; j < (packet_size-1); j++) quantum=(quantum << 8) | (*p++); pixel=(double) quantum; if (fits_header.bits_per_pixel == -32) pixel=(double) (*((float *) &quantum)); scaled_pixel=pixel*fits_header.scale+fits_header.zero; if (scaled_pixel < fits_header.min_data) fits_header.min_data=scaled_pixel; if (scaled_pixel > fits_header.max_data) fits_header.max_data=scaled_pixel; } } /* Convert FITS pixels to runlength-encoded packets. */ scale=1.0; if (fits_header.min_data != fits_header.max_data) scale=(MaxRGB+1)/(fits_header.max_data-fits_header.min_data); p=fits_pixels; q=image->pixels; for (i=0; i < image->packets; i++) { quantum=(*p++); for (j=0; j < (packet_size-1); j++) quantum=(quantum << 8) | (*p++); pixel=(double) quantum; if (fits_header.bits_per_pixel == -32) pixel=(double) (*((float *) &quantum)); scaled_pixel=scale* (pixel*fits_header.scale+fits_header.zero-fits_header.min_data); while (scaled_pixel < 0) scaled_pixel+=(MaxRGB+1); while (scaled_pixel > MaxRGB) scaled_pixel-=(MaxRGB+1); q->index=(unsigned short) scaled_pixel; q->length=0; q++; } free((char *) fits_pixels); SyncImage(image); CompressColormap(image); CompressImage(image); CloseImage(image); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d G I F I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadGIFImage reads a Compuserve Graphics image file and returns it. % It allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % The format of the ReadGIFImage routine is: % % image=ReadGIFImage(image_info) % % A description of each parameter follows: % % o image: Function ReadGIFImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % an error occurs. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadGIFImage(image_info) ImageInfo *image_info; { #define BitSet(byte,bit) (((byte) & (bit)) == (bit)) #define LSBFirstOrder(x,y) (((y) << 8) | (x)) Image *image; int status, x, y; register int i; register RunlengthPacket *q; register unsigned char *p; short int transparency_index; unsigned char c, *global_colormap, header[MaxTextLength], magick[12]; unsigned int global_colors, image_count, interlace, local_colormap; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Determine if this is a GIF file. */ status=ReadData((char *) magick,1,6,image->file); status|=ReadData((char *) header,1,7,image->file); if ((status == False) || ((strncmp((char *) magick,"GIF87",5) != 0) && (strncmp((char *) magick,"GIF89",5) != 0))) PrematureExit("Not a GIF image file",image); global_colors=0; global_colormap=(unsigned char *) NULL; if (BitSet(header[4],0x80)) { /* Read global colormap. */ global_colors=1 << ((header[4] & 0x07)+1); global_colormap=(unsigned char *) malloc(3*global_colors*sizeof(unsigned char)); if (global_colormap == (unsigned char *) NULL) PrematureExit("Unable to read image colormap file",image); (void) ReadData((char *) global_colormap,3,global_colors,image->file); } transparency_index=(-1); image_count=0; for ( ; ; ) { status=ReadData((char *) &c,1,1,image->file); if (status == False) break; if (c == ';') break; /* terminator */ if (c == '!') { /* GIF Extension block. */ status=ReadData((char *) &c,1,1,image->file); if (status == False) PrematureExit("Unable to read extention block",image); switch (c) { case 0xf9: { /* Transparency extension block. */ while (ReadDataBlock((char *) header,image->file) > 0); if ((header[0] & 0x01) == 1) transparency_index=header[3]; break; } case 0xfe: { int length; /* Comment extension block. */ for ( ; ; ) { length=ReadDataBlock((char *) header,image->file); if (length <= 0) break; if (image->comments != (char *) NULL) image->comments=(char *) realloc((char *) image->comments, (strlen(image->comments)+length+1)*sizeof(char)); else { image->comments=(char *) malloc((length+1)*sizeof(char)); if (image->comments != (char *) NULL) *image->comments='\0'; } if (image->comments == (char *) NULL) PrematureExit("Unable to allocate memory",image); header[length]='\0'; (void) strcat(image->comments,(char *) header); } break; } default: { while (ReadDataBlock((char *) header,image->file) > 0); break; } } } if (c != ',') continue; /* Read image attributes. */ if (image_count != 0) { /* Allocate image structure. */ image->next=AllocateImage(image_info); if (image->next == (Image *) NULL) { DestroyImages(image); return((Image *) NULL); } (void) strcpy(image->next->filename,image_info->filename); image->next->file=image->file; image->next->scene=image->scene+1; image->next->previous=image; image=image->next; } image_count++; status=ReadData((char *) header,1,9,image->file); if (status == False) PrematureExit("Unable to read left/top/width/height",image); interlace=BitSet(header[8],0x40); local_colormap=BitSet(header[8],0x80); /* Allocate image. */ image->columns=LSBFirstOrder(header[4],header[5]); image->rows=LSBFirstOrder(header[6],header[7]); image->packets=image->columns*image->rows; if (image->packets == 0) PrematureExit("image size is 0",image); if (image->pixels != (RunlengthPacket *) NULL) free((char *) image->pixels); image->pixels=(RunlengthPacket *) malloc(image->packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); /* Inititialize colormap. */ image->class=PseudoClass; image->colors=!local_colormap ? global_colors : 1 << ((header[8] & 0x07)+1); image->colormap=(ColorPacket *) malloc(image->colors*sizeof(ColorPacket)); if (image->colormap == (ColorPacket *) NULL) PrematureExit("Unable to allocate memory",image); if (!local_colormap) { /* Use global colormap. */ p=global_colormap; for (i=0; i < image->colors; i++) { image->colormap[i].red=UpScale(*p++); image->colormap[i].green=UpScale(*p++); image->colormap[i].blue=UpScale(*p++); } } else { unsigned char *colormap; /* Read local colormap. */ colormap=(unsigned char *) malloc(3*image->colors*sizeof(unsigned char)); if (colormap == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); (void) ReadData((char *) colormap,3,image->colors,image->file); p=colormap; for (i=0; i < image->colors; i++) { image->colormap[i].red=UpScale(*p++); image->colormap[i].green=UpScale(*p++); image->colormap[i].blue=UpScale(*p++); } free((char *) colormap); } /* Decode image. */ status=LZWDecodeImage(image); if (interlace) { Image *interlaced_image; int pass; register RunlengthPacket *p; static int interlace_rate[4] = { 8, 8, 4, 2 }, interlace_start[4] = { 0, 4, 2, 1 }; /* Interlace image. */ image_info->interlace=LineInterlace; image->orphan=True; interlaced_image=CopyImage(image,image->columns,image->rows,True); image->orphan=False; if (interlaced_image == (Image *) NULL) PrematureExit("Unable to allocate memory",image); p=interlaced_image->pixels; q=image->pixels; for (pass=0; pass < 4; pass++) { y=interlace_start[pass]; while (y < image->rows) { q=image->pixels+(y*image->columns); for (x=0; x < image->columns; x++) { *q=(*p); p++; q++; } y+=interlace_rate[pass]; } } DestroyImage(interlaced_image); } if (transparency_index >= 0) { /* Create matte channel. */ q=image->pixels; for (i=0; i < image->packets; i++) { if (q->index != (unsigned short) transparency_index) q->index=Opaque; else q->index=Transparent; q++; } transparency_index=(-1); image->class=DirectClass; image->matte=True; } if (status == False) { Warning("Corrupt GIF image",image->filename); break; } CompressImage(image); } if (global_colormap != (unsigned char *) NULL) free((char *) global_colormap); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Corrupt GIF image",image); while (image->previous != (Image *) NULL) image=image->previous; CloseImage(image); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d G R A Y I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadGRAYImage reads an image of raw grayscale bytes and returns it. % It allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % The format of the ReadGRAYImage routine is: % % image=ReadGRAYImage(image_info) % % A description of each parameter follows: % % o image: Function ReadGRAYImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadGRAYImage(image_info) ImageInfo *image_info; { Image *image; int x, y; register int i; register RunlengthPacket *q; unsigned int height, packets, width; unsigned short index; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Create linear colormap. */ image->class=PseudoClass; image->colors=1 << QuantumDepth; image->colormap=(ColorPacket *) malloc(image->colors*sizeof(ColorPacket)); if (image->colormap == (ColorPacket *) NULL) PrematureExit("Unable to allocate memory",image); for (i=0; i < image->colors; i++) { image->colormap[i].red=(Quantum) i; image->colormap[i].green=(Quantum) i; image->colormap[i].blue=(Quantum) i; } /* Determine width and height, e.g. 640x512. */ width=512; height=512; x=0; if (image_info->size != (char *) NULL) (void) XParseGeometry(image_info->size,&x,&y,&width,&height); for (i=0; i < x; i++) (void) fgetc(image->file); /* Initialize image structure. */ image->columns=width; image->rows=height; image->packets=0; packets=Max((image->columns*image->rows+4) >> 3,1); image->pixels=(RunlengthPacket *) malloc(packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); /* Convert raster image to runlength-encoded packets. */ q=image->pixels; q->length=MaxRunlength; for (i=0; i < (image->columns*image->rows); i++) { ReadQuantumFile(index); if ((index == q->index) && ((int) q->length < MaxRunlength)) q->length++; else { if (image->packets != 0) q++; image->packets++; if (image->packets == packets) { packets<<=1; image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); q=image->pixels+image->packets-1; } q->index=index; q->length=0; } } image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,image->packets*sizeof(RunlengthPacket)); SyncImage(image); CompressColormap(image); CloseImage(image); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d H D F I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadHDFImage reads a Hierarchical Data Format image file and % returns it. It allocates the memory necessary for the new Image structure % and returns a pointer to the new image. % % The format of the ReadHDFImage routine is: % % image=ReadHDFImage(image_info) % % A description of each parameter follows: % % o image: Function ReadHDFImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ #ifdef HasHDF static Image *ReadHDFImage(image_info) ImageInfo *image_info; { #include "hdf.h" Image *image; int interlace, is_palette, status; int32 height, length, width; register int i; register unsigned char *p; register RunlengthPacket *q; uint16 reference; unsigned char *hdf_pixels; unsigned int class, packet_size; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); CloseImage(image); /* Read HDF image. */ class=DirectClass; status=DF24getdims(image->filename,&width,&height,&interlace); if (status == -1) { class=PseudoClass; status=DFR8getdims(image->filename,&width,&height,&is_palette); } if (status == -1) PrematureExit("Image file or does not contain any image data",image); do { /* Initialize image structure. */ image->class=class; image->columns=width; image->rows=height; image->packets=image->columns*image->rows; packet_size=1; if (image->class == DirectClass) packet_size=3; hdf_pixels=(unsigned char *) malloc(packet_size*image->packets*sizeof(unsigned char)); image->pixels=(RunlengthPacket *) malloc(image->packets*sizeof(RunlengthPacket)); if ((hdf_pixels == (unsigned char *) NULL) || (image->pixels == (RunlengthPacket *) NULL)) PrematureExit("Unable to allocate memory",image); q=image->pixels; if (image->class == PseudoClass) { unsigned char *hdf_palette; /* Create colormap. */ hdf_palette=(unsigned char *) malloc(768*sizeof(unsigned char)); image->colors=256; image->colormap=(ColorPacket *) malloc(image->colors*sizeof(ColorPacket)); if ((hdf_palette == (unsigned char *) NULL) || (image->colormap == (ColorPacket *) NULL)) PrematureExit("Unable to allocate memory",image); (void) DFR8getimage(image->filename,hdf_pixels,(int) image->columns, (int) image->rows,hdf_palette); reference=DFR8lastref(); /* Convert HDF raster image to PseudoClass runlength-encoded packets. */ p=hdf_palette; if (is_palette) for (i=0; i < 256; i++) { image->colormap[i].red=UpScale(*p++); image->colormap[i].green=UpScale(*p++); image->colormap[i].blue=UpScale(*p++); } else for (i=0; i < image->colors; i++) { image->colormap[i].red=(Quantum) UpScale(i); image->colormap[i].green=(Quantum) UpScale(i); image->colormap[i].blue=(Quantum) UpScale(i); } free((char *) hdf_palette); p=hdf_pixels; for (i=0; i < image->packets; i++) { q->index=(*p++); q->length=0; q++; } SyncImage(image); } else { int x, y; /* Convert HDF raster image to DirectClass runlength-encoded packets. */ (void) DF24getimage(image->filename,(void *) hdf_pixels,image->columns, image->rows); reference=DF24lastref(); p=hdf_pixels; image_info->interlace=interlace+1; switch (image_info->interlace) { case NoneInterlace: default: { /* No interlacing: RGBRGBRGBRGBRGBRGB... */ q=image->pixels; for (i=0; i < image->packets; i++) { q->red=UpScale(*p++); q->green=UpScale(*p++); q->blue=UpScale(*p++); q->index=0; q->length=0; q++; } break; } case LineInterlace: { /* Line interlacing: RRR...GGG...BBB...RRR...GGG...BBB... */ for (y=0; y < image->rows; y++) { q=image->pixels+y*image->columns; for (x=0; x < image->columns; x++) { q->red=UpScale(*p++); q->index=0; q->length=0; q++; } q=image->pixels+y*image->columns; for (x=0; x < image->columns; x++) { q->green=UpScale(*p++); q++; } q=image->pixels+y*image->columns; for (x=0; x < image->columns; x++) { q->blue=UpScale(*p++); q++; } } break; } case PlaneInterlace: { /* Plane interlacing: RRRRRR...GGGGGG...BBBBBB... */ q=image->pixels; for (i=0; i < image->packets; i++) { q->red=UpScale(*p++); q->index=0; q->length=0; q++; } q=image->pixels; for (i=0; i < image->packets; i++) { q->green=UpScale(*p++); q++; } q=image->pixels; for (i=0; i < image->packets; i++) { q->blue=UpScale(*p++); q++; } break; } } } length=DFANgetlablen(image->filename,DFTAG_RIG,reference); if (length > 0) { /* Read the image label. */ length+=MaxTextLength; image->label=malloc(length*sizeof(char)); if (image->label != (char *) NULL) DFANgetlabel(image->filename,DFTAG_RIG,reference,image->label,length); } length=DFANgetdesclen(image->filename,DFTAG_RIG,reference); if (length > 0) { /* Read the image comments. */ length+=MaxTextLength; image->comments=malloc(length*sizeof(char)); if (image->comments != (char *) NULL) DFANgetdesc(image->filename,DFTAG_RIG,reference,image->comments, length); } free((char *) hdf_pixels); CompressImage(image); class=DirectClass; status=DF24getdims(image->filename,&width,&height,&interlace); if (status == -1) { class=PseudoClass; status=DFR8getdims(image->filename,&width,&height,&is_palette); } if (status != -1) { /* Allocate image structure. */ image->next=AllocateImage(image_info); if (image->next == (Image *) NULL) { DestroyImages(image); return((Image *) NULL); } (void) strcpy(image->next->filename,image_info->filename); image->next->file=image->file; image->next->scene=image->scene+1; image->next->previous=image; image=image->next; } } while (status != -1); while (image->previous != (Image *) NULL) image=image->previous; return(image); } #else static Image *ReadHDFImage(image_info) ImageInfo *image_info; { Warning("HDF library is not available",image_info->filename); return(ReadMIFFImage(image_info)); } #endif /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d H I S T O G R A M I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadHISTOGRAMImage reads a HISTOGRAM image file and returns it. It % allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % The format of the ReadHISTOGRAMImage routine is: % % image=ReadHISTOGRAMImage(image_info) % % A description of each parameter follows: % % o image: Function ReadHISTOGRAMImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadHISTOGRAMImage(image_info) ImageInfo *image_info; { Image *image; image=ReadMIFFImage(image_info); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d H T M L I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadHTMLImage reads a HTML image file and returns it. It % allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % The format of the ReadHTMLImage routine is: % % image=ReadHTMLImage(image_info) % % A description of each parameter follows: % % o image: Function ReadHTMLImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadHTMLImage(image_info) ImageInfo *image_info; { Image *image; Warning("Cannot read HTML images",image_info->filename); image=ReadMIFFImage(image_info); return(image); } #ifdef HasJBIG #include "jbig.h" /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d J B I G I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadJBIGImage reads a JBIG image file and returns it. It % allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % The format of the ReadJBIGImage routine is: % % image=ReadJBIGImage(image_info) % % A description of each parameter follows: % % o image: Function ReadJBIGImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadJBIGImage(image_info) ImageInfo *image_info; { #define MaxBufferSize 8192 Image *image; int length, status, x, y; register RunlengthPacket *q; register unsigned char *p; register unsigned short index; size_t count; struct jbg_dec_state jbig_info; unsigned char bit, buffer[MaxBufferSize]; unsigned int byte, height, packets, width; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Determine maximum width and height, e.g. 640x512. */ width=65535U; height=65535U; if (image_info->size != (char *) NULL) (void) XParseGeometry(image_info->size,&x,&y,&width,&height); /* Read JBIG file. */ jbg_dec_init(&jbig_info); jbg_dec_maxsize(&jbig_info,(unsigned long) width,(unsigned long) height); status=JBG_EAGAIN; do { length=fread(buffer,1,MaxBufferSize,image->file); if (length == 0) break; p=buffer; count=0; while ((length > 0) && ((status == JBG_EAGAIN) || (status == JBG_EOK))) { status=jbg_dec_in(&jbig_info,p,length,&count); p+=count; length-=count; } } while ((status == JBG_EAGAIN) || (status == JBG_EOK)); /* Initialize image structure. */ image->columns=jbg_dec_getwidth(&jbig_info); image->rows=jbg_dec_gethight(&jbig_info); image->packets=0; packets=Max((image->columns*image->rows+8) >> 4,1); image->pixels=(RunlengthPacket *) malloc(packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); /* Create colormap. */ image->class=PseudoClass; image->colors=2; image->colormap=(ColorPacket *) malloc(image->colors*sizeof(ColorPacket)); if (image->colormap == (ColorPacket *) NULL) PrematureExit("Unable to allocate memory",image); image->colormap[0].red=0; image->colormap[0].green=0; image->colormap[0].blue=0; image->colormap[1].red=MaxRGB; image->colormap[1].green=MaxRGB; image->colormap[1].blue=MaxRGB; /* Convert X bitmap image to runlength-encoded packets. */ p=jbg_dec_getimage(&jbig_info,0); q=image->pixels; q->length=MaxRunlength; for (y=0; y < image->rows; y++) { bit=0; for (x=0; x < image->columns; x++) { if (bit == 0) byte=(*p++); index=(byte & 0x80) ? 0 : 1; if ((index == q->index) && ((int) q->length < MaxRunlength)) q->length++; else { if (image->packets != 0) q++; image->packets++; if (image->packets == packets) { packets<<=1; image->pixels=(RunlengthPacket *) realloc((char *) image->pixels, packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) { jbg_dec_free(&jbig_info); PrematureExit("Unable to allocate memory",image); } q=image->pixels+image->packets-1; } q->index=index; q->length=0; } bit++; byte<<=1; if (bit == 8) bit=0; } } jbg_dec_free(&jbig_info); SyncImage(image); image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,image->packets*sizeof(RunlengthPacket)); CloseImage(image); return(image); } #else static Image *ReadJBIGImage(image_info) ImageInfo *image_info; { Warning("JBIG library is not available",image_info->filename); return(ReadMIFFImage(image_info)); } #endif #ifdef HasJPEG #include #include "jpeglib.h" #include "jerror.h" static Image *image; static jmp_buf error_recovery; /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d J P E G I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadJPEGImage reads a JPEG image file and returns it. It allocates % the memory necessary for the new Image structure and returns a pointer to % the new image. % % The format of the ReadJPEGImage routine is: % % image=ReadJPEGImage(image_info) % % A description of each parameter follows: % % o image: Function ReadJPEGImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o filename: Specifies the name of the jpeg image to read. % % */ static int CommentHandler _Declare((j_decompress_ptr)); static unsigned int GetCharacter(jpeg_info) j_decompress_ptr jpeg_info; { struct jpeg_source_mgr *data; data=jpeg_info->src; if (data->bytes_in_buffer == 0) (*data->fill_input_buffer) (jpeg_info); data->bytes_in_buffer--; return(GETJOCTET(*data->next_input_byte++)); } static int CommentHandler(jpeg_info) j_decompress_ptr jpeg_info; { long int length; register char *p; /* Determine length of comment. */ length=GetCharacter(jpeg_info) << 8; length+=GetCharacter(jpeg_info); length-=2; if (image->comments != (char *) NULL) image->comments=(char *) realloc((char *) image->comments, (unsigned int) (strlen(image->comments)+length+1)*sizeof(char)); else { image->comments=(char *) malloc((unsigned int) (length+1)*sizeof(char)); if (image->comments != (char *) NULL) *image->comments='\0'; } if (image->comments == (char *) NULL) { Warning("Memory allocation error",(char *) NULL); return(False); } /* Read comment. */ p=image->comments+strlen(image->comments); while (--length >= 0) *p++=GetCharacter(jpeg_info); *p='\0'; return(True); } static void EmitMessage(jpeg_info,level) j_common_ptr jpeg_info; int level; { char message[JMSG_LENGTH_MAX]; struct jpeg_error_mgr *jpeg_error; jpeg_error=jpeg_info->err; (jpeg_error->format_message) (jpeg_info,message); if (level < 0) { if ((jpeg_error->num_warnings == 0) || (jpeg_error->trace_level >= 3)) Warning((char *) message,image->filename); jpeg_error->num_warnings++; } else if (jpeg_error->trace_level >= level) Warning((char *) message,image->filename); } static void ErrorExit(jpeg_info) j_common_ptr jpeg_info; { EmitMessage(jpeg_info,0); longjmp(error_recovery,1); } static Image *ReadJPEGImage(image_info) ImageInfo *image_info; { JSAMPLE *jpeg_pixels; JSAMPROW scanline[1]; Quantum blue, green, red; register int i, j; register JSAMPLE *p; register RunlengthPacket *q; struct jpeg_decompress_struct jpeg_info; struct jpeg_error_mgr jpeg_error; unsigned int packets; unsigned short index; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Initialize image structure. */ jpeg_info.err=jpeg_std_error(&jpeg_error); jpeg_info.err->emit_message=EmitMessage; jpeg_info.err->error_exit=ErrorExit; image->pixels=(RunlengthPacket *) NULL; jpeg_pixels=(JSAMPLE *) NULL; if (setjmp(error_recovery)) { /* JPEG image is corrupt. */ if (jpeg_pixels != (JSAMPLE *) NULL) { free((char *) jpeg_pixels); jpeg_destroy_decompress(&jpeg_info); } DestroyImage(image); return((Image *) NULL); } jpeg_create_decompress(&jpeg_info); jpeg_set_marker_processor(&jpeg_info,JPEG_COM,CommentHandler); jpeg_stdio_src(&jpeg_info,image->file); (void) jpeg_read_header(&jpeg_info,True); if (image_info->size != (char *) NULL) { unsigned int height, width; unsigned long scale_factor; /* Let the JPEG library subsample for us. */ jpeg_calc_output_dimensions(&jpeg_info); image->magick_columns=jpeg_info.output_width; image->magick_rows=jpeg_info.output_height; width=jpeg_info.output_width; height=jpeg_info.output_height; ParseImageGeometry(image_info->size,&width,&height); scale_factor=UpShift(jpeg_info.output_width)/width; if (scale_factor > (UpShift(jpeg_info.output_height)/height)) scale_factor=UpShift(jpeg_info.output_height)/height; jpeg_info.scale_denom=DownShift(scale_factor); jpeg_calc_output_dimensions(&jpeg_info); } #ifdef DCT_FLOAT_SUPPORTED jpeg_info.dct_method=JDCT_FLOAT; #endif jpeg_start_decompress(&jpeg_info); image->columns=jpeg_info.output_width; image->rows=jpeg_info.output_height; image->packets=0; packets=Max((image->columns*image->rows+2) >> 2,1); image->pixels=(RunlengthPacket *) malloc(packets*sizeof(RunlengthPacket)); jpeg_pixels=(JSAMPLE *) malloc(jpeg_info.output_components*image->columns*sizeof(JSAMPLE)); if ((image->pixels == (RunlengthPacket *) NULL) || (jpeg_pixels == (JSAMPLE *) NULL)) PrematureExit("Unable to allocate memory",image); if (jpeg_info.out_color_space == JCS_GRAYSCALE) { /* Initialize grayscale colormap. */ image->class=PseudoClass; image->colors=256; image->colormap=(ColorPacket *) malloc(image->colors*sizeof(ColorPacket)); if (image->colormap == (ColorPacket *) NULL) PrematureExit("Unable to allocate memory",image); for (i=0; i < image->colors; i++) { image->colormap[i].red=UpScale(i); image->colormap[i].green=UpScale(i); image->colormap[i].blue=UpScale(i); } } /* Convert JPEG pixels to runlength-encoded packets. */ red=0; green=0; blue=0; index=0; scanline[0]=(JSAMPROW) jpeg_pixels; q=image->pixels; q->length=MaxRunlength; for (i=0; i < image->rows; i++) { (void) jpeg_read_scanlines(&jpeg_info,scanline,1); p=jpeg_pixels; for (j=0; j < image->columns; j++) { if (jpeg_info.data_precision > QuantumDepth) { if (jpeg_info.out_color_space == JCS_GRAYSCALE) index=GETJSAMPLE(*p++) >> 4; else { red=(Quantum) (GETJSAMPLE(*p++) >> 4); green=(Quantum) (GETJSAMPLE(*p++) >> 4); blue=(Quantum) (GETJSAMPLE(*p++) >> 4); } } else if (jpeg_info.out_color_space == JCS_GRAYSCALE) index=GETJSAMPLE(*p++); else { red=(Quantum) UpScale(GETJSAMPLE(*p++)); green=(Quantum) UpScale(GETJSAMPLE(*p++)); blue=(Quantum) UpScale(GETJSAMPLE(*p++)); } if ((red == q->red) && (green == q->green) && (blue == q->blue) && (index == q->index) && ((int) q->length < MaxRunlength)) q->length++; else { if (image->packets != 0) q++; image->packets++; if (image->packets == packets) { packets<<=1; image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) { free((char *) jpeg_pixels); jpeg_destroy_decompress(&jpeg_info); PrematureExit("Unable to allocate memory",image); } q=image->pixels+image->packets-1; } q->red=red; q->green=green; q->blue=blue; q->index=index; q->length=0; } } } image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,image->packets*sizeof(RunlengthPacket)); if (image->class == PseudoClass) { SyncImage(image); CompressColormap(image); } /* Free memory. */ free((char *) jpeg_pixels); (void) jpeg_finish_decompress(&jpeg_info); jpeg_destroy_decompress(&jpeg_info); CloseImage(image); return(image); } #else static Image *ReadJPEGImage(image_info) ImageInfo *image_info; { Warning("JPEG library is not available",image_info->filename); return(ReadMIFFImage(image_info)); } #endif /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d L O G O I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadLOGOImage reads a LOGO image file and returns it. It % allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % The format of the ReadLOGOImage routine is: % % image=ReadLOGOImage(image_info) % % A description of each parameter follows: % % o image: Function ReadLOGOImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadLOGOImage(image_info) ImageInfo *image_info; { #include "logo.h" char *filename, logo_filename[MaxTextLength]; FILE *file; Image *image; register int i; register unsigned char *p; /* Open temporary output file. */ TemporaryFilename(logo_filename); file=fopen(logo_filename,"w"); if (file == (FILE *) NULL) { Warning("Unable to write file",logo_filename); return(ReadXCImage(image_info)); } p=LogoImage; for (i=0; i < LogoImageLength; i++) { (void) fputc((char) *p,file); p++; } if (ferror(file)) { Warning("An error has occurred writing to file",logo_filename); (void) fclose(file); (void) unlink(logo_filename); return(ReadXCImage(image_info)); } (void) fclose(file); filename=image_info->filename; image_info->filename=logo_filename; image=ReadMIFFImage(image_info); image_info->filename=filename; if (image != (Image *) NULL) (void) strcpy(image->filename,image_info->filename); (void) unlink(logo_filename); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d M A P I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadMAPImage reads an image of raw RGB colormap and colormap index % bytes and returns it. It allocates the memory necessary for the new Image % structure and returns a pointer to the new image. % % The format of the ReadMAPImage routine is: % % image=ReadMAPImage(image_info) % % A description of each parameter follows: % % o image: Function ReadMAPImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadMAPImage(image_info) ImageInfo *image_info; { Image *image; int colors; register int i; register unsigned char *p; unsigned char *colormap; unsigned int height, packet_size, status, width; unsigned short value; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Determine width, height, and number of colors, e.g. 640x512+256. */ width=512; height=512; colors=256; if (image_info->size != (char *) NULL) (void) XParseGeometry(image_info->size,&colors,&colors,&width,&height); /* Initialize image structure. */ image->class=PseudoClass; image->compression=NoCompression; image->columns=width; image->rows=height; image->colors=colors; image->packets=image->columns*image->rows; packet_size=3*(image->depth >> 3); colormap=(unsigned char *) malloc(packet_size*image->colors*sizeof(unsigned char)); image->colormap=(ColorPacket *) malloc(image->colors*sizeof(ColorPacket)); image->packed_pixels=(unsigned char *) malloc(image->packets*packet_size*(image->depth >> 3)); if ((colormap == (unsigned char *) NULL) || (image->colormap == (ColorPacket *) NULL)) PrematureExit("Unable to allocate memory",image); /* Read image colormap. */ (void) ReadData((char *) colormap,1,image->colors*packet_size,image->file); p=colormap; for (i=0; i < image->colors; i++) { ReadQuantum(image->colormap[i].red,p); ReadQuantum(image->colormap[i].green,p); ReadQuantum(image->colormap[i].blue,p); } free((char *) colormap); /* Convert raster image to runlength-encoded packets. */ packet_size=1; if (image->colors > 256) packet_size++; if (image->packed_pixels != (unsigned char *) NULL) free((char *) image->packed_pixels); image->packed_pixels=(unsigned char *) malloc(image->packets*packet_size); if (image->packed_pixels == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); (void) ReadData((char *) image->packed_pixels,packet_size,image->packets, image->file); status=RunlengthDecodeImage(image); if (status == False) { DestroyImages(image); return((Image *) NULL); } CompressImage(image); CloseImage(image); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d M A T T E I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadMATTEImage reads an image of raw matte bytes and returns it. % It allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % The format of the ReadMATTEImage routine is: % % image=ReadMATTEImage(image_info) % % A description of each parameter follows: % % o image: Function ReadMATTEImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadMATTEImage(image_info) ImageInfo *image_info; { Image *image; int x, y; register int i; register RunlengthPacket *q; register unsigned char index, *p; unsigned char *matte_pixels; unsigned int height, width; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Determine width and height, e.g. 640x512. */ width=512; height=512; x=0; if (image_info->size != (char *) NULL) (void) XParseGeometry(image_info->size,&x,&y,&width,&height); for (i=0; i < x; i++) (void) fgetc(image->file); /* Initialize image structure. */ image->matte=True; image->columns=width; image->rows=height; image->packets=image->columns*image->rows; matte_pixels=(unsigned char *) malloc(image->packets*sizeof(unsigned char)); image->pixels=(RunlengthPacket *) malloc(image->packets*sizeof(RunlengthPacket)); if ((matte_pixels == (unsigned char *) NULL) || (image->pixels == (RunlengthPacket *) NULL)) PrematureExit("Unable to allocate memory",image); /* Convert raster image to runlength-encoded packets. */ (void) ReadData((char *) matte_pixels,1,image->packets,image->file); p=matte_pixels; q=image->pixels; for (i=0; i < image->packets; i++) { index=(*p++); q->red=0; q->green=0; q->blue=0; q->index=(unsigned short) index; q->length=0; q++; } free((char *) matte_pixels); CompressImage(image); CloseImage(image); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d M I F F I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadMIFFImage reads a MIFF image file and returns it. It % allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % The format of the ReadMIFFImage routine is: % % image=ReadMIFFImage(filename) % % A description of each parameter follows: % % o image: Function ReadMIFFImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadMIFFImage(image_info) ImageInfo *image_info; { char keyword[MaxTextLength], value[MaxTextLength]; Image *image; register int c, i; register unsigned char *p; unsigned int length, packet_size, status; unsigned long count, packets; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); image->depth=8; /* Decode image header; header terminates one character beyond a ':'. */ c=fgetc(image->file); if (c == EOF) { DestroyImage(image); return((Image *) NULL); } do { /* Decode image header; header terminates one character beyond a ':'. */ image->compression=NoCompression; while (isgraph(c) && (c != ':')) { register char *p; if (c == '{') { /* Read comment-- any text between { }. */ if (image->comments != (char *) NULL) { length=strlen(image->comments); p=image->comments+length; } else { length=MaxTextLength; image->comments=(char *) malloc(length*sizeof(char)); p=image->comments; } for ( ; image->comments != (char *) NULL; p++) { c=fgetc(image->file); if ((c == EOF) || (c == '}')) break; if ((p-image->comments+1) >= length) { *p='\0'; length<<=1; image->comments=(char *) realloc((char *) image->comments,length*sizeof(char)); if (image->comments == (char *) NULL) break; p=image->comments+strlen(image->comments); } *p=(unsigned char) c; } if (image->comments == (char *) NULL) PrematureExit("Unable to allocate memory",image); *p='\0'; c=fgetc(image->file); } else if (isalnum(c)) { /* Determine a keyword and its value. */ p=keyword; do { if ((p-keyword) < (MaxTextLength-1)) *p++=(char) c; c=fgetc(image->file); } while (isalnum(c)); *p='\0'; while (isspace(c) || (c == '=')) c=fgetc(image->file); p=value; while (!isspace(c) && (c != EOF)) { if ((p-value) < (MaxTextLength-1)) *p++=(char) c; c=fgetc(image->file); } *p='\0'; /* Assign a value to the specified keyword. */ if (strcmp(keyword,"class") == 0) if (strcmp(value,"PseudoClass") == 0) image->class=PseudoClass; else if (strcmp(value,"DirectClass") == 0) image->class=DirectClass; else image->class=UndefinedClass; if (strcmp(keyword,"colors") == 0) image->colors=(unsigned int) atoi(value); if (strcmp(keyword,"compression") == 0) if (strcmp(value,"QEncoded") == 0) image->compression=QEncodedCompression; else if (strcmp(value,"RunlengthEncoded") == 0) image->compression=RunlengthEncodedCompression; else image->compression=UndefinedCompression; if (strcmp(keyword,"columns") == 0) image->columns=(unsigned int) atoi(value); if (strcmp(keyword,"depth") == 0) image->depth=atoi(value) <= 8 ? 8 : 16; if (strcmp(keyword,"id") == 0) if (strcmp(value,"ImageMagick") == 0) image->id=ImageMagickId; else image->id=UndefinedId; if ((strcmp(keyword,"matte") == 0) || (strcmp(keyword,"alpha") == 0)) if ((strcmp(value,"True") == 0) || (strcmp(value,"true") == 0)) image->matte=True; else image->matte=False; if (strcmp(keyword,"montage") == 0) { image->montage=(char *) malloc(strlen(value)+1*sizeof(char)); if (image->montage == (char *) NULL) PrematureExit("Unable to allocate memory",image); (void) strcpy(image->montage,value); } if (strcmp(keyword,"packets") == 0) image->packets=(unsigned int) atoi(value); if (strcmp(keyword,"rows") == 0) image->rows=(unsigned int) atoi(value); if (strcmp(keyword,"scene") == 0) image->scene=(unsigned int) atoi(value); if (strcmp(keyword,"signature") == 0) { image->signature=(char *) malloc((strlen(value)+1)*sizeof(char)); if (image->signature == (char *) NULL) PrematureExit("Unable to allocate memory",image); (void) strcpy(image->signature,value); } } else c=fgetc(image->file); while (isspace(c)) c=fgetc(image->file); } (void) fgetc(image->file); /* Verify that required image information is defined. */ if ((image->id == UndefinedId) || (image->class == UndefinedClass) || (image->compression == UndefinedCompression) || (image->columns == 0) || (image->rows == 0)) PrematureExit("Incorrect image header in file",image); if (image->montage != (char *) NULL) { register char *p; /* Image directory. */ image->directory=(char *) malloc(MaxTextLength*sizeof(char)); if (image->directory == (char *) NULL) PrematureExit("Unable to read image data",image); p=image->directory; do { *p='\0'; if ((((int) strlen(image->directory)+1) % MaxTextLength) == 0) { /* Allocate more memory for the image directory. */ image->directory=(char *) realloc((char *) image->directory, (strlen(image->directory)+MaxTextLength+1)*sizeof(char)); if (image->directory == (char *) NULL) PrematureExit("Unable to read image data",image); p=image->directory+strlen(image->directory); } c=fgetc(image->file); *p++=(unsigned char) c; } while (c != '\0'); } if (image->class == PseudoClass) { unsigned int colors; unsigned short value; /* PseudoClass image cannot have matte data or be QEncoded. */ if (image->matte) PrematureExit("Matte images must be DirectClass",image); if (image->compression == QEncodedCompression) PrematureExit("QEncoded images must be DirectClass",image); /* Create image colormap. */ colors=image->colors; if (colors == 0) colors=256; image->colormap=(ColorPacket *) malloc(colors*sizeof(ColorPacket)); if (image->colormap == (ColorPacket *) NULL) PrematureExit("Unable to allocate memory",image); if (image->colors == 0) for (i=0; i < colors; i++) { image->colormap[i].red=(Quantum) UpScale(i); image->colormap[i].green=(Quantum) UpScale(i); image->colormap[i].blue=(Quantum) UpScale(i); image->colors++; } else { unsigned char *colormap; /* Read image colormap from file. */ packet_size=3*(image->depth >> 3); colormap=(unsigned char *) malloc(packet_size*image->colors*sizeof(unsigned char)); if (colormap == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); (void) ReadData((char *) colormap,1,packet_size*image->colors, image->file); p=colormap; for (i=0; i < image->colors; i++) { ReadQuantum(image->colormap[i].red,p); ReadQuantum(image->colormap[i].green,p); ReadQuantum(image->colormap[i].blue,p); } free((char *) colormap); } } /* Determine packed packet size. */ if (image->class == PseudoClass) { image->packet_size=1; if (image->colors > 256) image->packet_size++; } else { image->packet_size=3*(image->depth >> 3); if (image->matte) image->packet_size++; } if (image->compression == RunlengthEncodedCompression) image->packet_size++; packet_size=image->packet_size; if (image->compression == QEncodedCompression) packet_size=1; /* Allocate image pixels. */ if (image->compression == NoCompression) image->packets=image->columns*image->rows; packets=image->packets; if (image->packets == 0) packets=image->columns*image->rows; image->packed_pixels=(unsigned char *) malloc((unsigned int) packets*packet_size*sizeof(unsigned char)); if (image->packed_pixels == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); /* Read image pixels from file. */ if ((image->compression != RunlengthEncodedCompression) || (image->packets != 0)) (void) ReadData((char *) image->packed_pixels,1,(unsigned int) packets*packet_size,image->file); else { /* Number of runlength packets is unspecified. */ count=0; p=image->packed_pixels; do { (void) ReadData((char *) p,1,packet_size,image->file); image->packets++; p+=(packet_size-1); count+=(*p+1); p++; } while (count < (image->columns*image->rows)); } if (image->compression == QEncodedCompression) { unsigned char *compressed_pixels; /* Uncompress image pixels with Q encoding. */ image->packets=image->columns*image->rows; compressed_pixels=image->packed_pixels; image->packed_pixels=(unsigned char *) malloc((unsigned int) image->packets*image->packet_size*sizeof(unsigned char)); if (image->packed_pixels == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); packets=QDecodeImage(compressed_pixels,image->packed_pixels, image->columns*(int) image->packet_size,image->rows); if (packets != (image->packets*image->packet_size)) PrematureExit("Q encoding failed",image); free((char *) compressed_pixels); } /* Unpack the packed image pixels into runlength-encoded pixel packets. */ status=RunlengthDecodeImage(image); if (status == False) { DestroyImages(image); return((Image *) NULL); } /* Proceed to next image. */ do { c=fgetc(image->file); } while (!isgraph(c) && (c != EOF)); if (c != EOF) { /* Allocate image structure. */ image->next=AllocateImage(image_info); if (image->next == (Image *) NULL) { DestroyImages(image); return((Image *) NULL); } (void) strcpy(image->next->filename,image_info->filename); image->next->file=image->file; image->next->scene=image->scene+1; image->next->previous=image; image=image->next; } } while (c != EOF); while (image->previous != (Image *) NULL) image=image->previous; CloseImage(image); return(image); } #ifdef HasMPEG #undef BitmapPad #include "mpeg.h" /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d M P E G I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadMPEGImage reads a MPEG image file and returns it. It % allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % The format of the ReadMPEGImage routine is: % % image=ReadMPEGImage(image_info) % % A description of each parameter follows: % % o image: Function ReadMPEGImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or if % the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadMPEGImage(image_info) ImageInfo *image_info; { Image *image; ImageDesc mpeg_info; register int i; register unsigned char *p; register RunlengthPacket *q; unsigned char *mpeg_pixels; unsigned int status; unsigned long lsb_first; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Allocate MPEG pixels. */ (void) OpenMPEG(image->file,&mpeg_info); mpeg_pixels=(unsigned char *) malloc(mpeg_info.Size*sizeof(unsigned char)); if (mpeg_pixels == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); /* Read MPEG image. */ status=GetMPEGFrame((char *) mpeg_pixels); if (image_info->subimage != 0) while (image->scene < image_info->subimage) { image->scene++; status=GetMPEGFrame((char *) mpeg_pixels); if (status == False) break; } if (status == False) { free((char *) mpeg_pixels); PrematureExit("Corrupt MPEG image",image); } while (status == True) { /* Initialize image structure. */ image->columns=mpeg_info.Width; image->rows=mpeg_info.Height-8; image->packets=image->columns*image->rows; image->pixels=(RunlengthPacket *) malloc(image->packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); /* Convert MPEG raster image to runlength-encoded packets. */ p=mpeg_pixels; q=image->pixels; lsb_first=1; if (*(char *) &lsb_first) for (i=0; i < image->packets; i++) { q->red=UpScale(*p++); q->green=UpScale(*p++); q->blue=UpScale(*p++); q->length=0; p++; q++; } else for (i=0; i < image->packets; i++) { p++; q->blue=UpScale(*p++); q->green=UpScale(*p++); q->red=UpScale(*p++); q->length=0; q++; } if (image_info->verbose) DescribeImage(image,stderr,False); CompressImage(image); if (image_info->subimage != 0) if (image->scene >= (image_info->subimage+image_info->subrange-1)) break; status=GetMPEGFrame((char *) mpeg_pixels); if (status == True) { /* Allocate image structure. */ image->next=AllocateImage(image_info); if (image->next == (Image *) NULL) { DestroyImages(image); return((Image *) NULL); } (void) strcpy(image->next->filename,image_info->filename); image->next->file=image->file; image->next->scene=image->scene+1; image->next->previous=image; image=image->next; } } free((char *) mpeg_pixels); while (image->previous != (Image *) NULL) image=image->previous; CloseImage(image); return(image); } #else static Image *ReadMPEGImage(image_info) ImageInfo *image_info; { Warning("MPEG library is not available",image_info->filename); return(ReadMIFFImage(image_info)); } #endif /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d M T V I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadMTVImage reads a MTV image file and returns it. It allocates % the memory necessary for the new Image structure and returns a pointer to % the new image. % % The format of the ReadMTVImage routine is: % % image=ReadMTVImage(image_info) % % A description of each parameter follows: % % o image: Function ReadMTVImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadMTVImage(image_info) ImageInfo *image_info; { Image *image; int count; Quantum blue, green, red; register int i; register RunlengthPacket *q; unsigned int columns, packets, rows; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Read MTV image. */ count=fscanf(image->file,"%u %u\n",&columns,&rows); if (count == 0) PrematureExit("Not a MTV image file",image); do { /* Initialize image structure. */ image->columns=columns; image->rows=rows; image->packets=0; packets=Max((image->columns*image->rows+4) >> 3,1); image->pixels=(RunlengthPacket *) malloc(packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); /* Convert MTV raster image to runlength-encoded packets. */ q=image->pixels; q->length=MaxRunlength; for (i=0; i < (image->columns*image->rows); i++) { red=UpScale(fgetc(image->file)); green=UpScale(fgetc(image->file)); blue=UpScale(fgetc(image->file)); if ((red == q->red) && (green == q->green) && (blue == q->blue) && ((int) q->length < MaxRunlength)) q->length++; else { if (image->packets != 0) q++; image->packets++; if (image->packets == packets) { packets<<=1; image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); q=image->pixels+image->packets-1; } q->red=red; q->green=green; q->blue=blue; q->index=0; q->length=0; } } image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,image->packets*sizeof(RunlengthPacket)); /* Proceed to next image. */ count=fscanf(image->file,"%u %u\n",&columns,&rows); if (count > 0) { /* Allocate next image structure. */ image->next=AllocateImage(image_info); if (image->next == (Image *) NULL) { DestroyImages(image); return((Image *) NULL); } (void) strcpy(image->next->filename,image_info->filename); image->next->file=image->file; image->next->scene=image->scene+1; image->next->previous=image; image=image->next; } } while (count > 0); while (image->previous != (Image *) NULL) image=image->previous; CloseImage(image); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d N U L L I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadNULLImage reads a NULL image file and returns it. It % allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % The format of the ReadNULLImage routine is: % % image=ReadNULLImage(image_info) % % A description of each parameter follows: % % o image: Function ReadNULLImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadNULLImage(image_info) ImageInfo *image_info; { Image *image; Warning("Cannot read NULL images",image_info->filename); image=ReadMIFFImage(image_info); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d P C D I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadPCDImage reads a Photo CD image file and returns it. It % allocates the memory necessary for the new Image structure and returns a % pointer to the new image. Much of the PCD decoder was derived from % the program hpcdtoppm(1) by Hadmut Danisch. % % The format of the ReadPCDImage routine is: % % image=ReadPCDImage(image_info) % % A description of each parameter follows: % % o image: Function ReadPCDImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *OverviewImage(image_info,image,number_images) ImageInfo *image_info; Image *image; unsigned int number_images; { #define ClientName "montage" char *resource_value; Display *display; Image **images; register int i, j; XMontageInfo montage_info; XResourceInfo resource_info; XrmDatabase resource_database; /* Allocate images array. */ images=(Image **) malloc(number_images*sizeof(Image *)); if (images == (Image **) NULL) { Warning("Memory allocation error",(char *) NULL); return((Image *) NULL); } /* Open X server connection. */ resource_info.background_color=DefaultTileBackground; resource_info.border_color=BorderColor;; resource_info.border_width=atoi(DefaultTileBorderwidth); resource_info.foreground_color=DefaultTileForeground; resource_info.gravity=CenterGravity; resource_info.image_geometry=DefaultTileGeometry; resource_info.matte_color=DefaultTileMatte; resource_info.title=(char *) NULL; display=XOpenDisplay(image_info->server_name); if (display != (Display *) NULL) { /* Set our forgiving error handler. */ XSetErrorHandler(XError); /* Get user defaults from X resource database. */ resource_database=XGetResourceDatabase(display,client_name); XGetResourceInfo(resource_database,ClientName,&resource_info); resource_info.background_color=XGetResourceInstance(resource_database, ClientName,"background",DefaultTileBackground); resource_value=XGetResourceClass(resource_database,ClientName, "borderWidth",DefaultTileBorderwidth); resource_info.border_width=atoi(resource_value); resource_info.font=image_info->font; resource_info.foreground_color=XGetResourceInstance(resource_database, ClientName,"foreground",DefaultTileForeground); resource_info.image_geometry=XGetResourceInstance(resource_database, ClientName,"imageGeometry",DefaultTileGeometry); resource_info.matte_color=XGetResourceInstance(resource_database, ClientName,"mattecolor",DefaultTileMatte); XCloseDisplay(display); } /* Read each image and convert them to a tile. */ j=0; for (i=0; i < number_images; i++) { LabelImage(image,"%f"); TransformImage(&image,(char *) NULL,resource_info.image_geometry); if (image_info->verbose) DescribeImage(image,stderr,False); images[j]=image; image=image->next; j++; } /* Create the PCD Overview image. */ XGetMontageInfo(&montage_info); montage_info.number_tiles=j; if (montage_info.number_tiles != 0) image= XMontageImage(images,&resource_info,&montage_info,image_info->filename); free((char *) images); if (image == (Image *) NULL) PrematureExit("Unable to allocate memory",image); CompressImage(image); return(image); } static Image *ReadPCDImage(image_info) ImageInfo *image_info; { Image *image; long int offset; register int i; register RunlengthPacket *p; register unsigned char *c1, *c2, *y; unsigned char *chroma1, *chroma2, *header, *luma; unsigned int height, number_images, overview, rotate, status, subimage, width; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Determine if this is a PCD file. */ header=(unsigned char *) malloc(3*0x800*sizeof(unsigned char)); if (header == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); status=ReadData((char *) header,1,3*0x800,image->file); overview=strncmp((char *) header,"PCD_OPA",7) == 0; if ((status == False) || ((strncmp((char *) header+0x800,"PCD",3) != 0) && !overview)) PrematureExit("Not a PCD image file",image); rotate=header[0x0e02] & 0x03; number_images=(header[10] << 8) | header[11]; free((char *) header); subimage=3; if (image_info->subimage != 0) subimage=image_info->subimage; if (image_info->size != (char *) NULL) { int x, y; /* Determine which image size to extract. */ width=768; height=512; (void) XParseGeometry(image_info->size,&x,&y,&width,&height); for (subimage=1; subimage <= 6; subimage++) { if ((width <= 192) && (height <= 128)) break; width>>=1; height>>=1; } } if (overview) subimage=1; /* Initialize image structure. */ width=192; height=128; for (i=1; i < Min(subimage,3); i++) { width<<=1; height<<=1; } image->columns=width; image->rows=height; for ( ; i < subimage; i++) { image->columns<<=1; image->rows<<=1; } /* Allocate luma and chroma memory. */ image->packets=image->columns*image->rows; chroma1=(unsigned char *) malloc(image->packets*sizeof(unsigned char)); chroma2=(unsigned char *) malloc(image->packets*sizeof(unsigned char)); luma=(unsigned char *) malloc(image->packets*sizeof(unsigned char)); if ((chroma1 == (unsigned char *) NULL) || (chroma2 == (unsigned char *) NULL) || (luma == (unsigned char *) NULL)) PrematureExit("Unable to allocate memory",image); /* Advance to image data. */ offset=93; if (overview) offset=2; else if (subimage == 2) offset=20; else if (subimage == 1) offset=1; for (i=0; i < (offset*0x800); i++) (void) fgetc(image->file); if (overview) { Image *overview_image; register int j; /* Read thumbnails from overview image. */ for (j=1; j <= number_images; j++) { (void) sprintf(image->filename,"img%04d.pcd",j); image->scene=j; image->columns=width; image->rows=height; image->packets=image->columns*image->rows; image->pixels=(RunlengthPacket *) malloc(image->packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); y=luma; c1=chroma1; c2=chroma2; for (i=0; i < height; i+=2) { (void) ReadData((char *) y,1,width,image->file); y+=image->columns; (void) ReadData((char *) y,1,width,image->file); y+=image->columns; (void) ReadData((char *) c1,1,width >> 1,image->file); c1+=image->columns; (void) ReadData((char *) c2,1,width >> 1,image->file); c2+=image->columns; } Upsample(image->columns >> 1,image->rows >> 1,image->columns,chroma1); Upsample(image->columns >> 1,image->rows >> 1,image->columns,chroma2); /* Transfer luminance and chrominance channels. */ p=image->pixels; y=luma; c1=chroma1; c2=chroma2; for (i=0; i < image->packets; i++) { p->red=UpScale(*y++); p->green=UpScale(*c1++); p->blue=UpScale(*c2++); p->index=0; p->length=0; p++; } TransformRGBImage(image,YCCColorspace); CompressImage(image); if (image_info->verbose) DescribeImage(image,stderr,False); if (j < number_images) { /* Allocate image structure. */ image->next=AllocateImage(image_info); if (image->next == (Image *) NULL) { DestroyImages(image); return((Image *) NULL); } image->next->file=image->file; image->next->previous=image; image=image->next; } } free(chroma2); free(chroma1); free(luma); while (image->previous != (Image *) NULL) image=image->previous; CloseImage(image); overview_image=OverviewImage(image_info,image,number_images); return(overview_image); } /* Allocate image pixels. */ image->pixels=(RunlengthPacket *) malloc(image->packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); /* Read interleaved image. */ y=luma; c1=chroma1; c2=chroma2; for (i=0; i < height; i+=2) { (void) ReadData((char *) y,1,width,image->file); y+=image->columns; (void) ReadData((char *) y,1,width,image->file); y+=image->columns; (void) ReadData((char *) c1,1,width >> 1,image->file); c1+=image->columns; (void) ReadData((char *) c2,1,width >> 1,image->file); c2+=image->columns; } if (subimage >= 4) { /* Recover luminance deltas for 1536x1024 image. */ Upsample(768,512,image->columns,luma); Upsample(384,256,image->columns,chroma1); Upsample(384,256,image->columns,chroma2); image->rows=1024; for (i=0; i < (4*0x800); i++) (void) fgetc(image->file); status=PCDDecodeImage(image,luma,chroma1,chroma2); if ((subimage >= 5) && status) { /* Recover luminance deltas for 3072x2048 image. */ Upsample(1536,1024,image->columns,luma); Upsample(768,512,image->columns,chroma1); Upsample(768,512,image->columns,chroma2); image->rows=2048; offset=ftell(image->file)/0x800+12; (void) fseek(image->file,offset*0x800,0); status=PCDDecodeImage(image,luma,chroma1,chroma2); if ((subimage >= 6) && status) { /* Recover luminance deltas for 6144x4096 image (vaporware). */ Upsample(3072,2048,image->columns,luma); Upsample(1536,1024,image->columns,chroma1); Upsample(1536,1024,image->columns,chroma2); image->rows=4096; } } } Upsample(image->columns >> 1,image->rows >> 1,image->columns,chroma1); Upsample(image->columns >> 1,image->rows >> 1,image->columns,chroma2); /* Transfer luminance and chrominance channels. */ p=image->pixels; y=luma; c1=chroma1; c2=chroma2; for (i=0; i < image->packets; i++) { p->red=UpScale(*y++); p->green=UpScale(*c1++); p->blue=UpScale(*c2++); p->index=0; p->length=0; p++; } free(chroma2); free(chroma1); free(luma); TransformRGBImage(image,YCCColorspace); if ((rotate == 1) || (rotate == 3)) { double degrees; Image *rotated_image; /* Rotate image. */ degrees=rotate == 1 ? -90.0 : 90.0; image->orphan=True; rotated_image=RotateImage(image,degrees,(ColorPacket *) NULL,False); image->orphan=False; if (rotated_image != (Image *) NULL) { DestroyImage(image); image=rotated_image; } } CompressImage(image); CloseImage(image); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d P C X I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadPCXImage reads a ZSoft IBM PC Paintbrush file and returns it. % It allocates the memory necessary for the new Image structure and returns % a pointer to the new image. % % The format of the ReadPCXImage routine is: % % image=ReadPCXImage(image_info) % % A description of each parameter follows: % % o image: Function ReadPCXImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadPCXImage(image_info) ImageInfo *image_info; { typedef struct _PCXHeader { unsigned char identifier, version, encoding, bits_per_pixel; short int left, top, right, bottom, horizontal_resolution, vertical_resolution; unsigned char reserved, planes; short int bytes_per_line, palette_info; unsigned char colormap_signature; } PCXHeader; PCXHeader pcx_header; Image *image; int count, packets; register int i, x, y; register RunlengthPacket *q; register unsigned char *p; unsigned char packet, *pcx_colormap, *pcx_pixels; unsigned int status; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Determine if this is a PCX file. */ status=ReadData((char *) &pcx_header.identifier,1,1,image->file); do { /* Verify PCX identifier. */ if ((status == False) || (pcx_header.identifier != 0x0a)) PrematureExit("Not a PCX image file",image); (void) ReadData((char *) &pcx_header.version,1,1,image->file); (void) ReadData((char *) &pcx_header.encoding,1,1,image->file); (void) ReadData((char *) &pcx_header.bits_per_pixel,1,1,image->file); pcx_header.left=LSBFirstReadShort(image->file); pcx_header.top=LSBFirstReadShort(image->file); pcx_header.right=LSBFirstReadShort(image->file); pcx_header.bottom=LSBFirstReadShort(image->file); pcx_header.horizontal_resolution=LSBFirstReadShort(image->file); pcx_header.vertical_resolution=LSBFirstReadShort(image->file); /* Read PCX raster colormap. */ image->columns=(pcx_header.right-pcx_header.left)+1; image->rows=(pcx_header.bottom-pcx_header.top)+1; image->class=PseudoClass; image->colors=16; image->colormap=(ColorPacket *) malloc(256*sizeof(ColorPacket)); pcx_colormap=(unsigned char *) malloc(3*256*sizeof(unsigned char)); if ((image->colormap == (ColorPacket *) NULL) || (pcx_colormap == (unsigned char *) NULL)) PrematureExit("Unable to allocate memory",image); (void) ReadData((char *) pcx_colormap,3,image->colors,image->file); p=pcx_colormap; for (i=0; i < image->colors; i++) { image->colormap[i].red=UpScale(*p++); image->colormap[i].green=UpScale(*p++); image->colormap[i].blue=UpScale(*p++); } (void) ReadData((char *) &pcx_header.reserved,1,1,image->file); (void) ReadData((char *) &pcx_header.planes,1,1,image->file); pcx_header.bytes_per_line=LSBFirstReadShort(image->file); pcx_header.palette_info=LSBFirstReadShort(image->file); for (i=0; i < 58; i++) (void) fgetc(image->file); /* Read image data. */ packets=image->rows*pcx_header.bytes_per_line*pcx_header.planes; pcx_pixels=(unsigned char *) malloc(packets*sizeof(unsigned char)); if (pcx_pixels == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); /* Uncompress image data. */ p=pcx_pixels; while (packets > 0) { packet=fgetc(image->file); if ((packet & 0xc0) != 0xc0) { *p++=packet; packets--; continue; } count=packet & 0x3f; packet=fgetc(image->file); packets-=count; while (--count >= 0) *p++=packet; } image->colors=1 << (pcx_header.bits_per_pixel*pcx_header.planes); if (image->colors > 256) PrematureExit("PCX colormap exceeded 256 colors",image); if (image->colors > 16) { /* 256 color images have their color map at the end of the file. */ (void) ReadData((char *) &pcx_header.colormap_signature,1,1, image->file); (void) ReadData((char *) pcx_colormap,3,image->colors,image->file); p=pcx_colormap; for (i=0; i < image->colors; i++) { image->colormap[i].red=UpScale(*p++); image->colormap[i].green=UpScale(*p++); image->colormap[i].blue=UpScale(*p++); } } else if (image->colors == 2) if (Intensity(image->colormap[0]) == Intensity(image->colormap[1])) { /* Monochrome colormap. */ image->colormap[0].red=MaxRGB; image->colormap[0].green=MaxRGB; image->colormap[0].blue=MaxRGB; image->colormap[1].red=0; image->colormap[1].green=0; image->colormap[1].blue=0; } free((char *) pcx_colormap); /* Convert PCX raster image to runlength-encoded packets. */ if (pcx_header.planes > 1) { register int bits, mask; /* Initialize image structure. */ image->packets=image->columns*image->rows; image->pixels=(RunlengthPacket *) malloc((image->packets+image->columns)*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); /* Convert multi-plane format into runlength-encoded pixels. */ q=image->pixels; for (i=0; i < image->packets; i++) { q->index=0; q->length=0; q++; } for (y=0; y < image->rows; y++) { p=pcx_pixels+(y*pcx_header.bytes_per_line*pcx_header.planes); for (i=0; i < (int) pcx_header.planes; i++) { q=image->pixels+y*image->columns; for (x=0; x < pcx_header.bytes_per_line; x++) { bits=(*p++); for (mask=0x80; mask != 0; mask>>=1) { if (bits & mask) q->index|=1 << i; q++; } } } } SyncImage(image); CompressColormap(image); CompressImage(image); } else { register unsigned char *r; unsigned char *scanline; unsigned short index; /* Initialize image structure. */ image->packets=0; packets=Max((image->columns*image->rows+4) >> 3,1); if (pcx_header.bits_per_pixel == 1) packets=Max((image->columns*image->rows+8) >> 4,1); image->pixels=(RunlengthPacket *) malloc(packets*sizeof(RunlengthPacket)); scanline=(unsigned char *) malloc(image->columns*sizeof(unsigned char)); if ((image->pixels == (RunlengthPacket *) NULL) || (scanline == (unsigned char *) NULL)) PrematureExit("Unable to allocate memory",image); q=image->pixels; q->length=MaxRunlength; for (y=0; y < image->rows; y++) { p=pcx_pixels+y*pcx_header.bytes_per_line; r=scanline; switch (pcx_header.bits_per_pixel) { case 1: { register int bit; for (x=0; x < (image->columns-7); x+=8) { for (bit=7; bit >= 0; bit--) *r++=((*p) & (0x01 << bit) ? 0x01 : 0x00); p++; } if ((image->columns % 8) != 0) { for (bit=7; bit >= (8-(image->columns % 8)); bit--) *r++=((*p) & (0x01 << bit) ? 0x01 : 0x00); p++; } break; } case 2: { for (x=0; x < (image->columns-3); x+=4) { *r++=(*p >> 6) & 0x3; *r++=(*p >> 4) & 0x3; *r++=(*p >> 2) & 0x3; *r++=(*p) & 0x3; p++; } if ((image->columns % 4) != 0) { for (i=3; i >= (4-(image->columns % 4)); i--) *r++=(*p >> (i*2)) & 0x03; p++; } break; } case 4: { for (x=0; x < (image->columns-1); x+=2) { *r++=(*p >> 4) & 0xf; *r++=(*p) & 0xf; p++; } if ((image->columns % 2) != 0) *r++=(*p++ >> 4) & 0xf; break; } case 8: { for (x=0; x < image->columns; x++) *r++=(*p++); break; } default: break; } /* Transfer image scanline. */ r=scanline; for (x=0; x < image->columns; x++) { index=(*r++); if ((index == q->index) && ((int) q->length < MaxRunlength)) q->length++; else { if (image->packets != 0) q++; image->packets++; if (image->packets == packets) { packets<<=1; image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) { free((char *) scanline); PrematureExit("Unable to allocate memory",image); } q=image->pixels+image->packets-1; } q->index=index; q->length=0; } } } SyncImage(image); CompressColormap(image); image->pixels=(RunlengthPacket *) realloc((char *) image->pixels, image->packets*sizeof(RunlengthPacket)); free((char *) scanline); } free((char *) pcx_pixels); /* Proceed to next image. */ status=ReadData((char *) &pcx_header.identifier,1,1,image->file); if ((status == True) && (pcx_header.identifier == 0x0a)) { /* Allocate image structure. */ image->next=AllocateImage(image_info); if (image->next == (Image *) NULL) { DestroyImages(image); return((Image *) NULL); } (void) strcpy(image->next->filename,image_info->filename); image->next->file=image->file; image->next->scene=image->scene+1; image->next->previous=image; image=image->next; } } while ((status == True) && (pcx_header.identifier == 0x0a)); while (image->previous != (Image *) NULL) image=image->previous; CloseImage(image); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d P D F I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadPDFImage reads a Portable Document Format image file and % returns it. It allocates the memory necessary for the new Image structure % and returns a pointer to the new image. % % The format of the ReadPDFImage routine is: % % image=ReadPDFImage(image_info) % % A description of each parameter follows: % % o image: Function ReadPDFImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadPDFImage(image_info) ImageInfo *image_info; { #define MediaBox "/MediaBox [" char command[MaxTextLength], crop_geometry[MaxTextLength], *device, filename[MaxTextLength], options[MaxTextLength], postscript_filename[MaxTextLength]; FILE *file; Image *image, *next_image; int status; long int filesize; register int i; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Open temporary output file. */ TemporaryFilename(postscript_filename); file=fopen(postscript_filename,"w"); if (file == (FILE *) NULL) PrematureExit("Unable to write file",image); /* Determine if Postscript specifies a bounding box. */ *options='\0'; *crop_geometry='\0'; while (fgets(command,MaxTextLength-1,image->file) != (char *) NULL) { if (strncmp(MediaBox,command,strlen(MediaBox)) == 0) { int count, flags, lower_x, lower_y, upper_x, upper_y, x, y; unsigned int dx_resolution, dy_resolution, x_resolution, y_resolution; if (strncmp(MediaBox,command,strlen(MediaBox)) == 0) count=sscanf(command,"/MediaBox [ %d %d %d %d",&lower_x,&lower_y, &upper_x,&upper_y); if (count != 4) continue; /* Determine bounding box. */ (void) XParseGeometry(PSDensityGeometry,&x,&y,&dx_resolution, &dy_resolution); x_resolution=dx_resolution; y_resolution=dy_resolution; flags=XParseGeometry(image_info->density,&x,&y,&x_resolution, &y_resolution); if ((flags & HeightValue) == 0) y_resolution=x_resolution; if (image_info->page == (char *) NULL) { unsigned int height, width; /* Set Postscript render geometry. */ width=(((lower_x+upper_x)*x_resolution+(dx_resolution >> 1))/ dx_resolution)+1; height=(((lower_x+upper_y)*y_resolution+(dy_resolution >> 1))/ dy_resolution)+1; (void) sprintf(options,"-g%ux%u",width,width); if (width < height) (void) sprintf(options,"-g%ux%u",height,height); (void) strcpy(crop_geometry,"0x0"); } } (void) fputs(command,file); } if (ferror(file)) { Warning("An error has occurred writing to file",postscript_filename); (void) fclose(file); return((Image *) NULL); } (void) fclose(file); CloseImage(image); filesize=image->filesize; DestroyImage(image); /* Determine if page geometry or density options are specified. */ if (image_info->page != (char *) NULL) { (void) strcat(options," -g"); (void) strcat(options,image_info->page); } if (image_info->density != (char *) NULL) { (void) strcat(options," -r"); (void) strcat(options,image_info->density); } /* Use Ghostscript to convert Postscript image. */ device="ppmraw"; if (image_info->monochrome) device="pbmraw"; (void) strcpy(filename,image_info->filename); for (i=0; i < 50; i++) { /* Ghostscript eats % characters. */ TemporaryFilename(image_info->filename); if (strchr(image_info->filename,'%') == (char *) NULL) break; } (void) sprintf(command,PostscriptCommand,device,options,image_info->filename, postscript_filename); status=SystemCommand(command); if (status) { Warning("Portable Document translation failed",image_info->filename); (void) unlink(postscript_filename); return((Image *) NULL); } image=ReadPNMImage(image_info); (void) unlink(postscript_filename); (void) unlink(image_info->filename); if (image == (Image *) NULL) { Warning("Portable Document translation failed",image_info->filename); return((Image *) NULL); } do { (void) strcpy(image->filename,filename); image->filesize=filesize; if (*crop_geometry != '\0') { /* Crop to bounding box. */ TransformImage(&image,crop_geometry,(char *) NULL); if (image->next != (Image *) NULL) image->next->previous=image; } next_image=image->next; if (next_image != (Image *) NULL) image=next_image; } while (next_image != (Image *) NULL); while (image->previous != (Image *) NULL) image=image->previous; return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d P I C T I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadPICTImage reads an Apple Macintosh QuickDraw/PICT image file % and returns it. It allocates the memory necessary for the new Image % structure and returns a pointer to the new image. % % The format of the ReadPICTImage routine is: % % image=ReadPICTImage(image_info) % % A description of each parameter follows: % % o image: Function ReadPICTImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadPICTImage(image_info) ImageInfo *image_info; { char filename[MaxTextLength]; Image *image, *next_image, *proxy_image; /* Allocate image structure. */ proxy_image=AllocateImage(image_info); if (proxy_image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(proxy_image,"rb"); if (proxy_image->file == (FILE *) NULL) PrematureExit("Unable to open file",proxy_image); CloseImage(proxy_image); DestroyImage(proxy_image); /* Use picttoppm to convert Macintosh PICT image. */ (void) strcpy(filename,image_info->filename); (void) sprintf(image_info->filename,"|picttoppm %s",filename); image=ReadPNMImage(image_info); if (image == (Image *) NULL) PrematureExit("PICT translation failed",image); /* Assign proper filename. */ do { (void) strcpy(image->filename,filename); next_image=image->next; if (next_image != (Image *) NULL) image=next_image; } while (next_image != (Image *) NULL); while (image->previous != (Image *) NULL) image=image->previous; return(image); } #ifdef HasPNG #include "png.h" /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d P N G I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadPNGImage reads a Portable Network Graphics image file and % returns it. It allocates the memory necessary for the new Image structure % and returns a pointer to the new image. % % The format of the ReadPNGImage routine is: % % image=ReadPNGImage(image_info) % % A description of each parameter follows: % % o image: Function ReadPNGImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadPNGImage(image_info) ImageInfo *image_info; { Image *image; register int i, x, y; register unsigned char *p; register RunlengthPacket *q; png_info *ping_info; png_struct *ping; unsigned char *png_pixels, **scanlines; unsigned int bytes_per_line, packets; unsigned short index, value; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Allocate the PNG structures */ ping=(png_struct *) malloc(sizeof(png_struct)); ping_info=(png_info *) malloc(sizeof(png_info)); if ((ping == (png_struct *) NULL) || (ping_info == (png_info *) NULL)) PrematureExit("Unable to allocate memory",image); image->pixels=(RunlengthPacket *) NULL; png_pixels=(unsigned char *) NULL; scanlines=(unsigned char **) NULL; if (setjmp(ping->jmpbuf)) { /* PNG image is corrupt. */ png_read_destroy(ping,ping_info,(png_info *) NULL); if (scanlines != (unsigned char **) NULL) free((char *) scanlines); if (png_pixels != (unsigned char *) NULL) free((char *) png_pixels); free((char *) ping); free((char *) ping_info); CloseImage(image); if ((image->columns == 0) || (image->rows == 0)) { DestroyImage(image); return((Image *) NULL); } return(image); } /* Prepare PNG for reading. */ png_info_init(ping_info); png_read_init(ping); png_init_io(ping,image->file); png_read_info(ping,ping_info); if (ping_info->bit_depth > QuantumDepth) { png_set_strip_16(ping); ping_info->bit_depth=8; } if (ping_info->bit_depth < 16) image->depth=8; /* Initialize image structure. */ image->columns=ping_info->width; image->rows=ping_info->height; image->packets=0; packets=Max((image->columns*image->rows+4) >> 3,1); if (ping_info->bit_depth == 1) packets=Max((image->columns*image->rows+8) >> 4,1); image->pixels=(RunlengthPacket *) malloc(packets*sizeof(RunlengthPacket)); bytes_per_line= Max((int) ping_info->bit_depth >> 3,1)*ping_info->channels*image->columns; png_pixels=(unsigned char *) malloc(bytes_per_line*image->rows*sizeof(Quantum)); scanlines=(unsigned char **) malloc(image->rows*sizeof(unsigned char *)); if ((image->pixels == (RunlengthPacket *) NULL) || (png_pixels == (unsigned char *) NULL) || (scanlines == (unsigned char **) NULL)) PrematureExit("Unable to allocate memory",image); if (ping_info->num_text > 0) { unsigned int length; /* Initialize image comment. */ length=1; for (i=0; i < ping_info->num_text; i++) length+=strlen(ping_info->text[i].key)+ping_info->text[i].text_length+3; image->comments=malloc(length); if (image->comments == (char *) NULL) PrematureExit("Unable to allocate memory",image); *image->comments='0'; for (i=0; i < ping_info->num_text; i++) { (void) strcpy(image->comments,ping_info->text[i].key); (void) strcpy(image->comments,": "); p=(unsigned char *) image->comments+strlen(image->comments)-1; (void) strncpy(image->comments,ping_info->text[i].text, ping_info->text[i].text_length); p+=ping_info->text[i].text_length; *p='\0'; (void) strcpy(image->comments,"\n"); } } if ((ping_info->color_type == PNG_COLOR_TYPE_PALETTE) || (ping_info->color_type == PNG_COLOR_TYPE_GRAY)) { /* Initialize image colormap. */ image->class=PseudoClass; image->colors=1 << ping_info->bit_depth; if (ping_info->color_type == PNG_COLOR_TYPE_PALETTE) image->colors=ping_info->num_palette; image->colormap=(ColorPacket *) malloc(image->colors*sizeof(ColorPacket)); if (image->colormap == (ColorPacket *) NULL) PrematureExit("Unable to allocate memory",image); if (ping_info->color_type == PNG_COLOR_TYPE_PALETTE) for (i=0; i < image->colors; i++) { image->colormap[i].red=UpScale(ping_info->palette[i].red); image->colormap[i].green=UpScale(ping_info->palette[i].green); image->colormap[i].blue=UpScale(ping_info->palette[i].blue); } else for (i=0; i < image->colors; i++) { image->colormap[i].red=(MaxRGB*i)/(image->colors-1); image->colormap[i].green=(MaxRGB*i)/(image->colors-1); image->colormap[i].blue=(MaxRGB*i)/(image->colors-1); } } /* Read image scanlines. */ if (image->class == DirectClass) if (ping_info->bit_depth < 8) png_set_packing(ping); for (i=0; i < image->rows; i++) scanlines[i]=png_pixels+(bytes_per_line*i); png_read_image(ping,scanlines); png_read_end(ping,ping_info); /* Convert PNG pixels to runlength-encoded packets. */ q=image->pixels; q->length=MaxRunlength; if (image->class == DirectClass) { Quantum blue, green, red; /* Convert image to DirectClass runlength-encoded packets. */ if ((ping_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA) || (ping_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA)) image->matte=True; for (y=0; y < image->rows; y++) { p=scanlines[y]; for (x=0; x < image->columns; x++) { ReadQuantum(red,p); green=red; blue=red; if (ping_info->color_type != PNG_COLOR_TYPE_GRAY_ALPHA) { ReadQuantum(green,p); ReadQuantum(blue,p); } index=0; if (image->matte) ReadQuantum(index,p); if ((red == q->red) && (green == q->green) && (blue == q->blue) && (index == q->index) && ((int) q->length < MaxRunlength)) q->length++; else { if (image->packets != 0) q++; image->packets++; if (image->packets == packets) { packets<<=1; image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) { free((char *) png_pixels); PrematureExit("Unable to allocate memory",image); } q=image->pixels+image->packets-1; } q->red=red; q->green=green; q->blue=blue; q->index=index; q->length=0; } } } } else { Quantum *quantum_scanline; register Quantum *r; /* Convert image to PseudoClass runlength-encoded packets. */ quantum_scanline=(Quantum *) malloc(image->columns*sizeof(Quantum)); if (quantum_scanline == (Quantum *) NULL) PrematureExit("Unable to allocate memory",image); for (y=0; y < image->rows; y++) { p=scanlines[y]; r=quantum_scanline; switch (ping_info->bit_depth) { case 1: { register int bit; for (x=0; x < ((int) image->columns-7); x+=8) { for (bit=7; bit >= 0; bit--) *r++=((*p) & (0x01 << bit) ? 0x01 : 0x00); p++; } if ((image->columns % 8) != 0) { for (bit=7; bit >= (8-(image->columns % 8)); bit--) *r++=((*p) & (0x01 << bit) ? 0x01 : 0x00); p++; } break; } case 2: { for (x=0; x < ((int) image->columns-3); x+=4) { *r++=(*p >> 6) & 0x3; *r++=(*p >> 4) & 0x3; *r++=(*p >> 2) & 0x3; *r++=(*p) & 0x3; p++; } if ((image->columns % 4) != 0) { for (i=3; i >= (4-(image->columns % 4)); i--) *r++=(*p >> (i*2)) & 0x03; p++; } break; } case 4: { for (x=0; x < ((int) image->columns-1); x+=2) { *r++=(*p >> 4) & 0xf; *r++=(*p) & 0xf; p++; } if ((image->columns % 2) != 0) *r++=(*p++ >> 4) & 0xf; break; } case 8: { for (x=0; x < image->columns; x++) *r++=(*p++); break; } case 16: { for (x=0; x < image->columns; x++) { ReadQuantum(*r,p); r++; } break; } default: break; } /* Transfer image scanline. */ r=quantum_scanline; for (x=0; x < image->columns; x++) { index=(*r++); if ((index == q->index) && ((int) q->length < MaxRunlength)) q->length++; else { if (image->packets != 0) q++; image->packets++; if (image->packets == packets) { packets<<=1; image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) { free((char *) quantum_scanline); PrematureExit("Unable to allocate memory",image); } q=image->pixels+image->packets-1; } q->index=index; q->length=0; } } } if (image->class == PseudoClass) SyncImage(image); free((char *) quantum_scanline); if (ping_info->valid & PNG_INFO_tRNS) { /* Image has a transparent background. */ image->class=DirectClass; image->matte=True; q=image->pixels; for (i=0; i < image->packets; i++) { index=q->index; q->index=Opaque; if (ping_info->color_type != PNG_COLOR_TYPE_PALETTE) { if (index == ping_info->trans_values.gray) q->index=Transparent; } else if (index < ping_info->num_trans) q->index=ping_info->trans[index]; q++; } } if (image->class == PseudoClass) CompressColormap(image); } image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,image->packets*sizeof(RunlengthPacket)); if (ping_info->valid & PNG_INFO_gAMA) { char gamma[MaxTextLength]; /* Gamma correct the image. */ (void) sprintf(gamma,"%f",ping_info->gamma); GammaImage(image,gamma); } /* Free memory. */ png_read_destroy(ping,ping_info,(png_info *) NULL); free((char *) png_pixels); free((char *) ping); free((char *) ping_info); CloseImage(image); return(image); } #else static Image *ReadPNGImage(image_info) ImageInfo *image_info; { Warning("PNG library is not available",image_info->filename); return(ReadMIFFImage(image_info)); } #endif /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d P N M I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadPNMImage reads a Portable Anymap image file and returns it. % It allocates the memory necessary for the new Image structure and returns % a pointer to the new image. % % The format of the ReadPNMImage routine is: % % image=ReadPNMImage(image_info) % % A description of each parameter follows: % % o image: Function ReadPNMImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static unsigned int PNMInteger(image,base) Image *image; unsigned int base; { #define MaxRawValue 255 int c; unsigned int value; /* Skip any leading whitespace. */ do { c=fgetc(image->file); if (c == EOF) return(0); if (c == '#') { register char *p; unsigned int length; /* Read comment. */ if (image->comments != (char *) NULL) { length=strlen(image->comments); p=image->comments+length; } else { length=MaxTextLength; image->comments=(char *) malloc(length*sizeof(char)); p=image->comments; } for ( ; image->comments != (char *) NULL; p++) { if ((p-image->comments+2) >= length) { *p='\0'; length<<=1; image->comments=(char *) realloc((char *) image->comments,length*sizeof(char)); if (image->comments == (char *) NULL) break; p=image->comments+strlen(image->comments); } c=fgetc(image->file); if ((c == EOF) || (c == '\n')) break; *p=(unsigned char) c; } if (image->comments == (char *) NULL) { Warning("Memory allocation error",(char *) NULL); return(0); } *p++='\n'; *p='\0'; } } while (!isdigit(c)); if (base == 2) return(c-'0'); /* Evaluate number. */ value=0; do { value*=10; value+=c-'0'; c=fgetc(image->file); if (c == EOF) return(0); } while (isdigit(c)); return(value); } static Image *ReadPNMImage(image_info) ImageInfo *image_info; { char format; Image *image; Quantum blue, green, red, *scale; register int i; register RunlengthPacket *q; unsigned int max_value, packets, status; unsigned short index; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Read PNM image. */ status=ReadData((char *) &format,1,1,image->file); do { /* Verify PNM identifier. */ if ((status == False) || (format != 'P')) PrematureExit("Not a PNM image file",image); /* Initialize image structure. */ format=fgetc(image->file); if (format == '7') (void) PNMInteger(image,10); image->columns=PNMInteger(image,10); image->rows=PNMInteger(image,10); if ((image->columns*image->rows) == 0) PrematureExit("Unable to read image: image dimensions are zero",image); image->packets=0; packets=Max((image->columns*image->rows+4) >> 3,1); if ((format == '1') || (format == '4')) packets=Max((image->columns*image->rows+8) >> 4,1); image->pixels=(RunlengthPacket *) malloc(packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); if ((format == '1') || (format == '4')) max_value=1; /* bitmap */ else max_value=PNMInteger(image,10); scale=(Quantum *) NULL; if ((format != '3') && (format != '6')) { /* Create colormap. */ image->class=PseudoClass; image->colors=Min(max_value,MaxRGB)+1; image->colormap=(ColorPacket *) malloc(image->colors*sizeof(ColorPacket)); if (image->colormap == (ColorPacket *) NULL) PrematureExit("Unable to allocate memory",image); if (format != '7') for (i=0; i < image->colors; i++) { image->colormap[i].red=(MaxRGB*i)/(image->colors-1); image->colormap[i].green=(MaxRGB*i)/(image->colors-1); image->colormap[i].blue=(MaxRGB*i)/(image->colors-1); } else { /* Initialize 332 colormap. */ i=0; for (red=0; red < 8; red++) for (green=0; green < 8; green++) for (blue=0; blue < 4; blue++) { image->colormap[i].red=(Quantum) (red*MaxRGB)/7; image->colormap[i].green=(Quantum) (green*MaxRGB)/7; image->colormap[i].blue=(Quantum) (blue*MaxRGB)/3; i++; } } } else if (max_value != MaxRGB) { /* Compute pixel scaling table. */ scale=(Quantum *) malloc((max_value+1)*sizeof(Quantum)); if (scale == (Quantum *) NULL) PrematureExit("Unable to allocate memory",image); for (i=0; i <= max_value; i++) scale[i]=(Quantum) ((i*MaxRGB+(max_value >> 1))/max_value); } /* Convert PNM pixels to runlength-encoded MIFF packets. */ q=image->pixels; q->length=MaxRunlength; switch (format) { case '1': { /* Convert PBM image to runlength-encoded packets. */ for (i=0; i < (image->columns*image->rows); i++) { index=!PNMInteger(image,2); if ((index == q->index) && ((int) q->length < MaxRunlength)) q->length++; else { if (image->packets != 0) q++; image->packets++; if (image->packets == packets) { packets<<=1; image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); q=image->pixels+image->packets-1; } q->index=index; q->length=0; } } break; } case '2': { /* Convert PGM image to runlength-encoded packets. */ for (i=0; i < (image->columns*image->rows); i++) { index=PNMInteger(image,10); if ((index == q->index) && ((int) q->length < MaxRunlength)) q->length++; else { if (image->packets != 0) q++; image->packets++; if (image->packets == packets) { packets<<=1; image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); q=image->pixels+image->packets-1; } q->index=index; q->length=0; } } break; } case '3': { /* Convert PNM image to runlength-encoded packets. */ for (i=0; i < (image->columns*image->rows); i++) { red=PNMInteger(image,10); green=PNMInteger(image,10); blue=PNMInteger(image,10); if (scale != (Quantum *) NULL) { red=scale[red]; green=scale[green]; blue=scale[blue]; } if ((red == q->red) && (green == q->green) && (blue == q->blue) && ((int) q->length < MaxRunlength)) q->length++; else { if (image->packets != 0) q++; image->packets++; if (image->packets == packets) { packets<<=1; image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); q=image->pixels+image->packets-1; } q->red=red; q->green=green; q->blue=blue; q->index=0; q->length=0; } } if (IsPseudoClass(image)) QuantizeImage(image,MaxRGB+1,8,False,RGBColorspace); break; } case '4': { unsigned char bit, byte; unsigned int x, y; /* Convert PBM raw image to runlength-encoded packets. */ for (y=0; y < image->rows; y++) { bit=0; byte=0; for (x=0; x < image->columns; x++) { if (bit == 0) byte=fgetc(image->file); index=(byte & 0x80) ? 0 : 1; if ((index == q->index) && ((int) q->length < MaxRunlength)) q->length++; else { if (image->packets != 0) q++; image->packets++; if (image->packets == packets) { packets<<=1; image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); q=image->pixels+image->packets-1; } q->index=index; q->length=0; } bit++; if (bit == 8) bit=0; byte<<=1; } } break; } case '5': case '7': { /* Convert PGM raw image to runlength-encoded packets. */ for (i=0; i < (image->columns*image->rows); i++) { if (max_value <= MaxRawValue) index=fgetc(image->file); else index=LSBFirstReadShort(image->file); if ((index == q->index) && ((int) q->length < MaxRunlength)) q->length++; else { if (image->packets != 0) q++; image->packets++; if (image->packets == packets) { packets<<=1; image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); q=image->pixels+image->packets-1; } q->index=index; q->length=0; } } break; } case '6': { /* Convert PNM raster image to runlength-encoded packets. */ for (i=0; i < (image->columns*image->rows); i++) { if (max_value <= MaxRawValue) { red=fgetc(image->file); green=fgetc(image->file); blue=fgetc(image->file); } else { red=LSBFirstReadShort(image->file); green=LSBFirstReadShort(image->file); blue=LSBFirstReadShort(image->file); } if (scale != (Quantum *) NULL) { red=scale[red]; green=scale[green]; blue=scale[blue]; } if ((red == q->red) && (green == q->green) && (blue == q->blue) && ((int) q->length < MaxRunlength)) q->length++; else { if (image->packets != 0) q++; image->packets++; if (image->packets == packets) { packets<<=1; image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); q=image->pixels+image->packets-1; } q->red=red; q->green=green; q->blue=blue; q->index=0; q->length=0; } } if (IsPseudoClass(image)) QuantizeImage(image,MaxRGB+1,8,False,RGBColorspace); break; } default: PrematureExit("Not a PNM image file",image); } if (scale != (Quantum *) NULL) free((char *) scale); if (image->class == PseudoClass) { SyncImage(image); CompressColormap(image); } image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,image->packets*sizeof(RunlengthPacket)); /* Proceed to next image. */ if ((format == '1') || (format == '2') || (format == '3')) do { /* Skip to end of line. */ status=ReadData(&format,1,1,image->file); if (status == False) break; } while (format != '\n'); status=ReadData((char *) &format,1,1,image->file); if ((status == True) && (format == 'P')) { /* Allocate image structure. */ image->next=AllocateImage(image_info); if (image->next == (Image *) NULL) { DestroyImages(image); return((Image *) NULL); } (void) strcpy(image->next->filename,image_info->filename); image->next->file=image->file; image->next->scene=image->scene+1; image->next->previous=image; image=image->next; } } while ((status == True) && (format == 'P')); while (image->previous != (Image *) NULL) image=image->previous; CloseImage(image); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d P S I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadPSImage reads a Adobe Postscript image file and returns it. It % allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % The format of the ReadPSImage routine is: % % image=ReadPSImage(image_info) % % A description of each parameter follows: % % o image: Function ReadPSImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadPSImage(image_info) ImageInfo *image_info; { #define BoundingBox "%%BoundingBox:" #define PageBoundingBox "%%PageBoundingBox:" char command[MaxTextLength], crop_geometry[MaxTextLength], *device, filename[MaxTextLength], options[MaxTextLength], postscript_filename[MaxTextLength]; FILE *file; Image *image, *next_image; int status; long int filesize; register int i; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Open temporary output file. */ TemporaryFilename(postscript_filename); file=fopen(postscript_filename,"w"); if (file == (FILE *) NULL) PrematureExit("Unable to write file",image); /* Determine if Postscript specifies a bounding box. */ *options='\0'; *crop_geometry='\0'; while (fgets(command,MaxTextLength-1,image->file) != (char *) NULL) { if ((strncmp(BoundingBox,command,strlen(BoundingBox)) == 0) || (strncmp(PageBoundingBox,command,strlen(PageBoundingBox)) == 0)) { int count, flags, lower_x, lower_y, upper_x, upper_y, x, y; unsigned int dx_resolution, dy_resolution, x_resolution, y_resolution; if (strncmp(BoundingBox,command,strlen(BoundingBox)) == 0) count=sscanf(command,"%%%%BoundingBox: %d %d %d %d",&lower_x,&lower_y, &upper_x,&upper_y); if (strncmp(PageBoundingBox,command,strlen(PageBoundingBox)) == 0) count=sscanf(command,"%%%%PageBoundingBox: %d %d %d %d", &lower_x,&lower_y,&upper_x,&upper_y); if (count != 4) continue; /* Determine bounding box. */ (void) XParseGeometry(PSDensityGeometry,&x,&y,&dx_resolution, &dy_resolution); x_resolution=dx_resolution; y_resolution=dy_resolution; flags=0; if (image_info->density != (char *) NULL) flags=XParseGeometry(image_info->density,&x,&y,&x_resolution, &y_resolution); if ((flags & HeightValue) == 0) y_resolution=x_resolution; if (image_info->page == (char *) NULL) { unsigned int height, width; /* Set Postscript render geometry. */ width=(((lower_x+upper_x)*x_resolution+(dx_resolution >> 1))/ dx_resolution)+1; height=(((lower_x+upper_y)*y_resolution+(dy_resolution >> 1))/ dy_resolution)+1; (void) sprintf(options,"-g%ux%u",width,width); if (width < height) (void) sprintf(options,"-g%ux%u",height,height); (void) strcpy(crop_geometry,"0x0"); } } (void) fputs(command,file); } if (ferror(file)) { Warning("An error has occurred writing to file",postscript_filename); (void) fclose(file); return((Image *) NULL); } (void) fclose(file); CloseImage(image); filesize=image->filesize; DestroyImage(image); /* Determine if page geometry or density options are specified. */ if (image_info->page != (char *) NULL) { (void) strcat(options," -g"); (void) strcat(options,image_info->page); } if (image_info->density != (char *) NULL) { (void) strcat(options," -r"); (void) strcat(options,image_info->density); } /* Use Ghostscript to convert Postscript image. */ device="ppmraw"; if (image_info->monochrome) device="pbmraw"; (void) strcpy(filename,image_info->filename); for (i=0; i < 50; i++) { /* Ghostscript eats % characters. */ TemporaryFilename(image_info->filename); if (strchr(image_info->filename,'%') == (char *) NULL) break; } (void) sprintf(command,PostscriptCommand,device,options,image_info->filename, postscript_filename); status=SystemCommand(command); if (access(image_info->filename,0) != 0) { /* Ghostscript requires a showpage operator. */ file=fopen(postscript_filename,"a"); if (file == (FILE *) NULL) PrematureExit("Unable to write file",image); (void) fputs("showpage\n",file); (void) fclose(file); status=SystemCommand(command); } if (status) { Warning("Postscript translation failed",image_info->filename); (void) unlink(postscript_filename); return((Image *) NULL); } image=ReadPNMImage(image_info); (void) unlink(postscript_filename); (void) unlink(image_info->filename); if (image == (Image *) NULL) { Warning("Postscript translation failed",image_info->filename); return((Image *) NULL); } do { (void) strcpy(image->filename,filename); image->filesize=filesize; if (*crop_geometry != '\0') { /* Crop to bounding box. */ TransformImage(&image,crop_geometry,(char *) NULL); if (image->next != (Image *) NULL) image->next->previous=image; } next_image=image->next; if (next_image != (Image *) NULL) image=next_image; } while (next_image != (Image *) NULL); while (image->previous != (Image *) NULL) image=image->previous; return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d R A D I A N C E I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadRADIANCEImage reads a RADIANCE image file and returns it. % It allocates the memory necessary for the new Image structure and returns % a pointer to the new image. % % The format of the ReadRADIANCEImage routine is: % % image=ReadRADIANCEImage(image_info) % % A description of each parameter follows: % % o image: Function ReadRADIANCEImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadRADIANCEImage(image_info) ImageInfo *image_info; { char command[MaxTextLength], filename[MaxTextLength]; Image *image, *next_image; int status; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); CloseImage(image); /* Use ra_ppm to convert RADIANCE image. */ (void) strcpy(filename,image_info->filename); TemporaryFilename(image_info->filename); (void) sprintf(command,"ra_ppm %s %s",filename,image_info->filename); status=SystemCommand(command); if (status) PrematureExit("RADIANCE translation failed",image); DestroyImage(image); image=ReadPNMImage(image_info); (void) unlink(image_info->filename); if (image == (Image *) NULL) PrematureExit("RADIANCE translation failed",image); /* Assign proper filename. */ do { (void) strcpy(image->filename,filename); next_image=image->next; if (next_image != (Image *) NULL) image=next_image; } while (next_image != (Image *) NULL); while (image->previous != (Image *) NULL) image=image->previous; return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d R G B I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadRGBImage reads an image of raw red, green, and blue bytes and % returns it. It allocates the memory necessary for the new Image structure % and returns a pointer to the new image. % % The format of the ReadRGBImage routine is: % % image=ReadRGBImage(image_info) % % A description of each parameter follows: % % o image: Function ReadRGBImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadRGBImage(image_info) ImageInfo *image_info; { Image *image; int x, y; register int i; register RunlengthPacket *q; register unsigned char *p; unsigned char *rgb_pixels; unsigned int height, packet_size, width; unsigned short value; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Determine width and height, e.g. 640x512. */ width=512; height=512; x=0; if (image_info->size != (char *) NULL) (void) XParseGeometry(image_info->size,&x,&y,&width,&height); for (i=0; i < x; i++) (void) fgetc(image->file); /* Initialize image structure. */ packet_size=3; if (strcmp(image_info->magick,"RGBA") == 0) { image->matte=True; packet_size=4; } image->columns=width; image->rows=height; image->packets=image->columns*image->rows; rgb_pixels=(unsigned char *) malloc(packet_size*image->packets*sizeof(unsigned char)); image->pixels=(RunlengthPacket *) malloc(image->packets*sizeof(RunlengthPacket)); if ((rgb_pixels == (unsigned char *) NULL) || (image->pixels == (RunlengthPacket *) NULL)) PrematureExit("Unable to allocate memory",image); /* Convert raster image to runlength-encoded packets. */ (void) ReadData((char *) rgb_pixels,3,image->packets,image->file); p=rgb_pixels; switch (image_info->interlace) { case NoneInterlace: default: { /* No interlacing: RGBRGBRGBRGBRGBRGB... */ q=image->pixels; for (i=0; i < image->packets; i++) { ReadQuantum(q->red,p); ReadQuantum(q->green,p); ReadQuantum(q->blue,p); q->index=0; if (image->matte) q->index=(*p++); q->length=0; q++; } break; } case LineInterlace: { /* Line interlacing: RRR...GGG...BBB...RRR...GGG...BBB... */ for (y=0; y < image->rows; y++) { q=image->pixels+y*image->columns; for (x=0; x < image->columns; x++) { ReadQuantum(q->red,p); q->index=0; q->length=0; q++; } q=image->pixels+y*image->columns; for (x=0; x < image->columns; x++) { ReadQuantum(q->green,p); q++; } q=image->pixels+y*image->columns; for (x=0; x < image->columns; x++) { ReadQuantum(q->blue,p); q++; } q=image->pixels+y*image->columns; if (image->matte) for (x=0; x < image->columns; x++) { ReadQuantum(q->index,p); q++; } } break; } case PlaneInterlace: { /* Plane interlacing: RRRRRR...GGGGGG...BBBBBB... */ q=image->pixels; for (i=0; i < image->packets; i++) { ReadQuantum(q->red,p); q->index=0; q->length=0; q++; } q=image->pixels; for (i=0; i < image->packets; i++) { ReadQuantum(q->green,p); q++; } q=image->pixels; for (i=0; i < image->packets; i++) { ReadQuantum(q->blue,p); q++; } q=image->pixels; if (image->matte) for (i=0; i < image->packets; i++) { ReadQuantum(q->index,p); q++; } break; } } free((char *) rgb_pixels); CompressImage(image); CloseImage(image); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d R L E I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadRLEImage reads a run-length encoded Utah Raster Toolkit % image file and returns it. It allocates the memory necessary for the new % Image structure and returns a pointer to the new image. % % The format of the ReadRLEImage routine is: % % image=ReadRLEImage(image_info) % % A description of each parameter follows: % % o image: Function ReadRLEImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadRLEImage(image_info) ImageInfo *image_info; { #define SkipLinesOp 0x01 #define SetColorOp 0x02 #define SkipPixelsOp 0x03 #define ByteDataOp 0x05 #define RunDataOp 0x06 #define EOFOp 0x07 char magick[12]; Image *image; int opcode, operand, status, x, y; register int i, j; register RunlengthPacket *q; register unsigned char *p; unsigned char background_color[256], *colormap, pixel, plane, *rle_pixels; unsigned int bits_per_pixel, flags, map_length, number_colormaps, number_planes; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Determine if this is a RLE file. */ status=ReadData((char *) magick,1,2,image->file); if ((status == False) || (strncmp(magick,"\122\314",2) != 0)) PrematureExit("Not a RLE image file",image); do { /* Read image header. */ (void) LSBFirstReadShort(image->file); (void) LSBFirstReadShort(image->file); image->columns=LSBFirstReadShort(image->file); image->rows=LSBFirstReadShort(image->file); image->packets=image->columns*image->rows; flags=fgetc(image->file); image->matte=flags & 0x04; number_planes=fgetc(image->file); bits_per_pixel=fgetc(image->file); number_colormaps=fgetc(image->file); map_length=1 << fgetc(image->file); if ((number_planes == 0) || (number_planes == 2) || (bits_per_pixel != 8) || (image->columns == 0)) PrematureExit("Unsupported RLE image file",image); if (flags & 0x02) { /* No background color-- initialize to black. */ for (i=0; i < number_planes; i++) background_color[i]=(unsigned char) 0; (void) fgetc(image->file); } else { /* Initialize background color. */ p=background_color; for (i=0; i < number_planes; i++) *p++=(unsigned char) fgetc(image->file); } if ((number_planes & 0x01) == 0) (void) fgetc(image->file); colormap=(unsigned char *) NULL; if (number_colormaps != 0) { /* Read image colormaps. */ colormap=(unsigned char *) malloc(number_colormaps*map_length*sizeof(unsigned char)); if (colormap == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); p=colormap; for (i=0; i < number_colormaps; i++) for (j=0; j < map_length; j++) *p++=XDownScale(LSBFirstReadShort(image->file)); } if (flags & 0x08) { unsigned int length; /* Read image comment. */ length=LSBFirstReadShort(image->file); image->comments=(char *) malloc(length*sizeof(char)); if (image->comments == (char *) NULL) PrematureExit("Unable to allocate memory",image); (void) ReadData((char *) image->comments,1,length-1,image->file); image->comments[length-1]='\0'; if ((length & 0x01) == 0) (void) fgetc(image->file); } /* Allocate RLE pixels. */ if (image->matte) number_planes++; rle_pixels=(unsigned char *) malloc(image->packets*number_planes*sizeof(unsigned char)); if (rle_pixels == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); if ((flags & 0x01) && !(flags & 0x02)) { /* Set background color. */ p=rle_pixels; for (i=0; i < image->packets; i++) { if (!image->matte) for (j=0; j < number_planes; j++) *p++=background_color[j]; else { for (j=0; j < (number_planes-1); j++) *p++=background_color[j]; *p++=0; /* initialize matte channel */ } } } /* Read runlength-encoded image. */ plane=0; x=0; y=0; opcode=fgetc(image->file); do { switch (opcode & 0x3f) { case SkipLinesOp: { operand=fgetc(image->file); if (opcode & 0x40) operand=LSBFirstReadShort(image->file); x=0; y+=operand; break; } case SetColorOp: { operand=fgetc(image->file); plane=operand; if (plane == 255) plane=number_planes-1; x=0; break; } case SkipPixelsOp: { operand=fgetc(image->file); if (opcode & 0x40) operand=LSBFirstReadShort(image->file); x+=operand; break; } case ByteDataOp: { operand=fgetc(image->file); if (opcode & 0x40) operand=LSBFirstReadShort(image->file); p=rle_pixels+((image->rows-y-1)*image->columns*number_planes)+ x*number_planes+plane; operand++; for (i=0; i < operand; i++) { pixel=fgetc(image->file); if ((y < image->rows) && ((x+i) < image->columns)) *p=pixel; p+=number_planes; } if (operand & 0x01) (void) fgetc(image->file); x+=operand; break; } case RunDataOp: { operand=fgetc(image->file); if (opcode & 0x40) operand=LSBFirstReadShort(image->file); pixel=fgetc(image->file); (void) fgetc(image->file); operand++; p=rle_pixels+((image->rows-y-1)*image->columns*number_planes)+ x*number_planes+plane; for (i=0; i < operand; i++) { if ((y < image->rows) && ((x+i) < image->columns)) *p=pixel; p+=number_planes; } x+=operand; break; } default: break; } opcode=fgetc(image->file); } while (((opcode & 0x3f) != EOFOp) && (opcode != EOF)); if (number_colormaps != 0) { unsigned int mask; /* Apply colormap transformation to image. */ mask=(map_length-1); p=rle_pixels; if (number_colormaps == 1) for (i=0; i < image->packets; i++) { *p=(unsigned char) colormap[*p & mask]; p++; } else if ((number_planes >= 3) && (number_colormaps >= 3)) for (i=0; i < image->packets; i++) for (j=0; j < number_planes; j++) { *p=(unsigned char) colormap[j*map_length+(*p & mask)]; p++; } } /* Initialize image structure. */ image->pixels=(RunlengthPacket *) malloc(image->packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); q=image->pixels; if (number_planes >= 3) { /* Convert raster image to DirectClass runlength-encoded packets. */ p=rle_pixels; for (i=0; i < image->packets; i++) { q->red=UpScale(*p++); q->green=UpScale(*p++); q->blue=UpScale(*p++); q->index=(unsigned short) (image->matte ? (*p++) : 0); q->length=0; q++; } } else { /* Create colormap. */ image->class=PseudoClass; if (number_colormaps == 0) map_length=256; image->colors=map_length; image->colormap=(ColorPacket *) malloc(image->colors*sizeof(ColorPacket)); if (image->colormap == (ColorPacket *) NULL) PrematureExit("Unable to allocate memory",image); p=colormap; if (number_colormaps == 0) for (i=0; i < image->colors; i++) { /* Grayscale. */ image->colormap[i].red=(MaxRGB*i)/(image->colors-1); image->colormap[i].green=(MaxRGB*i)/(image->colors-1); image->colormap[i].blue=(MaxRGB*i)/(image->colors-1); } else if (number_colormaps == 1) for (i=0; i < image->colors; i++) { /* Pseudocolor. */ image->colormap[i].red=(Quantum) UpScale(i); image->colormap[i].green=(Quantum) UpScale(i); image->colormap[i].blue=(Quantum) UpScale(i); } else for (i=0; i < image->colors; i++) { image->colormap[i].red=UpScale(*p); image->colormap[i].green=UpScale(*(p+map_length)); image->colormap[i].blue=UpScale(*(p+map_length*2)); p++; } p=rle_pixels; if (!image->matte) { /* Convert raster image to PseudoClass runlength-encoded packets. */ for (i=0; i < image->packets; i++) { q->index=(unsigned short) (*p++); q->length=0; q++; } SyncImage(image); } else { /* Image has a matte channel-- promote to DirectClass. */ for (i=0; i < image->packets; i++) { q->red=image->colormap[*p].red; q->green=image->colormap[*p].green; q->blue=image->colormap[*p++].blue; q->index=(unsigned short) (*p++); q->length=0; q++; } free(image->colormap); image->colormap=(ColorPacket *) NULL; image->class=DirectClass; image->colors=0; } } if (number_colormaps != 0) free((char *) colormap); free((char *) rle_pixels); CompressImage(image); /* Proceed to next image. */ (void) fgetc(image->file); status=ReadData((char *) magick,1,2,image->file); if ((status == True) && (strncmp(magick,"\122\314",2) == 0)) { /* Allocate next image structure. */ image->next=AllocateImage(image_info); if (image->next == (Image *) NULL) { DestroyImages(image); return((Image *) NULL); } (void) strcpy(image->next->filename,image_info->filename); image->next->file=image->file; image->next->scene=image->scene+1; image->next->previous=image; image=image->next; } } while ((status == True) && (strncmp(magick,"\122\314",2) == 0)); while (image->previous != (Image *) NULL) image=image->previous; CloseImage(image); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d S G I I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadSGIImage reads a SGI RGB image file and returns it. It % allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % The format of the ReadSGIImage routine is: % % image=ReadSGIImage(image_info) % % A description of each parameter follows: % % o image: Function ReadSGIImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static void SGIDecode(packets,pixels) unsigned char *packets, *pixels; { unsigned char count, pixel; for ( ; ;) { pixel=(*packets++); count=pixel & 0x7f; if (count == 0) break; if (pixel & 0x80) for ( ; count != 0; count--) { *pixels=(*packets++); pixels+=4; } else { pixel=(*packets++); for ( ; count != 0; count--) { *pixels=pixel; pixels+=4; } } } } static Image *ReadSGIImage(image_info) ImageInfo *image_info; { typedef struct _SGIHeader { unsigned short magic; unsigned char storage, bytes_per_pixel; unsigned short dimension, columns, rows, depth; unsigned long minimum_value, maximum_value; unsigned char filler[492]; } SGIHeader; Image *image; SGIHeader iris_header; register int i, x, y, z; register RunlengthPacket *q; register unsigned char *p; unsigned char *iris_pixels; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Read SGI raster header. */ iris_header.magic=MSBFirstReadShort(image->file); do { /* Verify SGI identifier. */ if (iris_header.magic != 0x01DA) PrematureExit("Not a SGI RGB image",image); iris_header.storage=fgetc(image->file); iris_header.bytes_per_pixel=fgetc(image->file); if (iris_header.bytes_per_pixel != 1) PrematureExit("Image must have 1 byte per pixel channel",image); iris_header.dimension=MSBFirstReadShort(image->file); iris_header.columns=MSBFirstReadShort(image->file); iris_header.rows=MSBFirstReadShort(image->file); iris_header.depth=MSBFirstReadShort(image->file); iris_header.minimum_value=MSBFirstReadLong(image->file); iris_header.maximum_value=MSBFirstReadLong(image->file); (void) ReadData((char *) iris_header.filler,1, (unsigned int) sizeof(iris_header.filler),image->file); /* Allocate SGI pixels. */ iris_pixels=(unsigned char *) malloc(4*iris_header.columns*iris_header.rows*sizeof(unsigned char)); if (iris_pixels == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); if (iris_header.storage != 0x01) { unsigned char *scanline; /* Read standard image format. */ scanline=(unsigned char *) malloc(iris_header.columns*sizeof(unsigned char)); if (scanline == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); for (z=0; z < (int) iris_header.depth; z++) { p=iris_pixels+z; for (y=0; y < (int) iris_header.rows; y++) { (void) ReadData((char *) scanline,1,iris_header.columns, image->file); for (x=0; x < (int) iris_header.columns; x++) { *p=scanline[x]; p+=4; } } } free((char *) scanline); } else { unsigned char *packets; unsigned int data_order; unsigned long offset, *offsets, *runlength; /* Read runlength-encoded image format. */ offsets=(unsigned long *) malloc(iris_header.rows*iris_header.depth*sizeof(unsigned long)); packets=(unsigned char *) malloc(((iris_header.columns << 1)+10)*sizeof(unsigned char)); runlength=(unsigned long *) malloc(iris_header.rows*iris_header.depth*sizeof(unsigned long)); if ((offsets == (unsigned long *) NULL) || (packets == (unsigned char *) NULL) || (runlength == (unsigned long *) NULL)) PrematureExit("Unable to allocate memory",image); for (i=0; i < (int) (iris_header.rows*iris_header.depth); i++) offsets[i]=MSBFirstReadLong(image->file); for (i=0; i < (int) (iris_header.rows*iris_header.depth); i++) runlength[i]=MSBFirstReadLong(image->file); /* Check data order. */ offset=0; data_order=0; for (y=0; ((y < (int) iris_header.rows) && !data_order); y++) for (z=0; ((z < (int) iris_header.depth) && !data_order); z++) { if (offsets[y+z*iris_header.rows] < offset) data_order=1; offset=offsets[y+z*iris_header.rows]; } offset=512+4*((iris_header.rows*iris_header.depth) << 1); if (data_order == 1) { for (z=0; z < (int) iris_header.depth; z++) { p=iris_pixels; for (y=0; y < (int) iris_header.rows; y++) { if (offset != offsets[y+z*iris_header.rows]) { offset=offsets[y+z*iris_header.rows]; (void) fseek(image->file,(int) offset,0); } (void) ReadData((char *) packets,1, (unsigned int) runlength[y+z*iris_header.rows],image->file); offset+=runlength[y+z*iris_header.rows]; SGIDecode(packets,p+z); p+=(iris_header.columns*4); } } } else { p=iris_pixels; for (y=0; y < (int) iris_header.rows; y++) { for (z=0; z < (int) iris_header.depth; z++) { if (offset != offsets[y+z*iris_header.rows]) { offset=offsets[y+z*iris_header.rows]; (void) fseek(image->file,(int) offset,0); } (void) ReadData((char *) packets,1, (unsigned int) runlength[y+z*iris_header.rows],image->file); offset+=runlength[y+z*iris_header.rows]; SGIDecode(packets,p+z); } p+=(iris_header.columns*4); } } free(runlength); free(packets); free(offsets); } /* Initialize image structure. */ image->matte=iris_header.depth == 4; image->columns=iris_header.columns; image->rows=iris_header.rows; image->packets=image->columns*image->rows; image->pixels=(RunlengthPacket *) malloc(image->packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); /* Convert SGI raster image to runlength-encoded packets. */ q=image->pixels; if (iris_header.depth >= 3) { /* Convert SGI image to DirectClass runlength-encoded packets. */ for (y=0; y < image->rows; y++) { p=iris_pixels+((image->rows-1)-y)*(image->columns*4); for (x=0; x < image->columns; x++) { q->red=UpScale(*p); q->green=UpScale(*(p+1)); q->blue=UpScale(*(p+2)); q->index=(*(p+3)); q->length=0; p+=4; q++; } } } else { unsigned short index; /* Create grayscale map. */ image->class=PseudoClass; image->colors=256; image->colormap=(ColorPacket *) malloc(image->colors*sizeof(ColorPacket)); if (image->colormap == (ColorPacket *) NULL) PrematureExit("Unable to allocate memory",image); for (i=0; i < image->colors; i++) { image->colormap[i].red=(Quantum) UpScale(i); image->colormap[i].green=(Quantum) UpScale(i); image->colormap[i].blue=(Quantum) UpScale(i); } /* Convert SGI image to PseudoClass runlength-encoded packets. */ for (y=0; y < image->rows; y++) { p=iris_pixels+((image->rows-1)-y)*(image->columns*4); for (x=0; x < image->columns; x++) { index=(unsigned short) (*p); q->index=index; q->length=0; p+=4; q++; } SyncImage(image); } } free((char *) iris_pixels); CompressImage(image); /* Proceed to next image. */ iris_header.magic=MSBFirstReadShort(image->file); if (iris_header.magic == 0x01DA) { /* Allocate image structure. */ image->next=AllocateImage(image_info); if (image->next == (Image *) NULL) { DestroyImages(image); return((Image *) NULL); } (void) strcpy(image->next->filename,image_info->filename); image->next->file=image->file; image->next->scene=image->scene+1; image->next->previous=image; image=image->next; } } while (iris_header.magic == 0x01DA); while (image->previous != (Image *) NULL) image=image->previous; CloseImage(image); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d S U N I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadSUNImage reads a SUN image file and returns it. It allocates % the memory necessary for the new Image structure and returns a pointer to % the new image. % % The format of the ReadSUNImage routine is: % % image=ReadSUNImage(image_info) % % A description of each parameter follows: % % o image: Function ReadSUNImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadSUNImage(image_info) ImageInfo *image_info; { #define RMT_EQUAL_RGB 1 #define RMT_NONE 0 #define RMT_RAW 2 #define RT_STANDARD 1 #define RT_ENCODED 2 #define RT_FORMAT_RGB 3 typedef struct _SUNHeader { unsigned long magic, width, height, depth, length, type, maptype, maplength; } SUNHeader; Image *image; register int bit, i, x, y; register RunlengthPacket *q; register unsigned char *p; SUNHeader sun_header; unsigned char *sun_data, *sun_pixels; unsigned int status; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Read SUN raster header. */ sun_header.magic=MSBFirstReadLong(image->file); do { /* Verify SUN identifier. */ if (sun_header.magic != 0x59a66a95) PrematureExit("Not a SUN raster image",image); sun_header.width=MSBFirstReadLong(image->file); sun_header.height=MSBFirstReadLong(image->file); sun_header.depth=MSBFirstReadLong(image->file); sun_header.length=MSBFirstReadLong(image->file); sun_header.type=MSBFirstReadLong(image->file); sun_header.maptype=MSBFirstReadLong(image->file); sun_header.maplength=MSBFirstReadLong(image->file); switch (sun_header.maptype) { case RMT_NONE: { if (sun_header.depth < 24) { /* Create linear color ramp. */ image->colors=1 << sun_header.depth; image->colormap=(ColorPacket *) malloc(image->colors*sizeof(ColorPacket)); if (image->colormap == (ColorPacket *) NULL) PrematureExit("Unable to allocate memory",image); for (i=0; i < image->colors; i++) { image->colormap[i].red=(MaxRGB*i)/(image->colors-1); image->colormap[i].green=(MaxRGB*i)/(image->colors-1); image->colormap[i].blue=(MaxRGB*i)/(image->colors-1); } } break; } case RMT_EQUAL_RGB: { unsigned char *sun_colormap; /* Read SUN raster colormap. */ image->colors=sun_header.maplength/3; image->colormap=(ColorPacket *) malloc(image->colors*sizeof(ColorPacket)); sun_colormap=(unsigned char *) malloc(image->colors*sizeof(unsigned char)); if ((image->colormap == (ColorPacket *) NULL) || (sun_colormap == (unsigned char *) NULL)) PrematureExit("Unable to allocate memory",image); (void) ReadData((char *) sun_colormap,1,image->colors,image->file); for (i=0; i < image->colors; i++) image->colormap[i].red=UpScale(sun_colormap[i]); (void) ReadData((char *) sun_colormap,1,image->colors,image->file); for (i=0; i < image->colors; i++) image->colormap[i].green=UpScale(sun_colormap[i]); (void) ReadData((char *) sun_colormap,1,image->colors,image->file); for (i=0; i < image->colors; i++) image->colormap[i].blue=UpScale(sun_colormap[i]); free((char *) sun_colormap); break; } case RMT_RAW: { unsigned char *sun_colormap; /* Read SUN raster colormap. */ sun_colormap=(unsigned char *) malloc(sun_header.maplength*sizeof(unsigned char)); if (sun_colormap == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); (void) ReadData((char *) sun_colormap,1,(unsigned int) sun_header.maplength,image->file); free((char *) sun_colormap); break; } default: PrematureExit("Colormap type is not supported",image); } sun_data=(unsigned char *) malloc(sun_header.length*sizeof(unsigned char)); if (sun_data == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); status=ReadData((char *) sun_data,1,(unsigned int) sun_header.length, image->file); if ((status == False) && (sun_header.type != RT_ENCODED)) PrematureExit("Unable to read image data",image); sun_pixels=sun_data; if (sun_header.type == RT_ENCODED) { unsigned int width, height; /* Read run-length encoded raster pixels. */ width=sun_header.width*(((sun_header.depth-1) >> 3)+1); height=sun_header.height; sun_pixels=(unsigned char *) malloc(width*height*sizeof(unsigned char)); if (sun_pixels == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); (void) SUNDecodeImage(sun_data,sun_pixels,width,height); free((char *) sun_data); } /* Initialize image structure. */ image->matte=(sun_header.depth == 32); image->class=(sun_header.depth < 24 ? PseudoClass : DirectClass); image->columns=sun_header.width; image->rows=sun_header.height; image->packets=image->columns*image->rows; image->pixels=(RunlengthPacket *) malloc(image->packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); /* Convert SUN raster image to runlength-encoded packets. */ p=sun_pixels; q=image->pixels; if (sun_header.depth == 1) for (y=0; y < image->rows; y++) { /* Convert bitmap scanline to runlength-encoded color packets. */ for (x=0; x < (image->columns >> 3); x++) { for (bit=7; bit >= 0; bit--) { q->index=((*p) & (0x01 << bit) ? 0x00 : 0x01); q->length=0; q++; } p++; } if ((image->columns % 8) != 0) { for (bit=7; bit >= (8-(image->columns % 8)); bit--) { q->index=((*p) & (0x01 << bit) ? 0x00 : 0x01); q->length=0; q++; } p++; } if ((((image->columns/8)+(image->columns % 8 ? 1 : 0)) % 2) != 0) p++; } else if (image->class == PseudoClass) for (y=0; y < image->rows; y++) { /* Convert PseudoColor scanline to runlength-encoded color packets. */ for (x=0; x < image->columns; x++) { q->index=(*p++); q->length=0; q++; } if ((image->columns % 2) != 0) p++; } else for (y=0; y < image->rows; y++) { /* Convert DirectColor scanline to runlength-encoded color packets. */ for (x=0; x < image->columns; x++) { q->index=(unsigned short) (image->matte ? (*p++) : 0); if (sun_header.type == RT_STANDARD) { q->blue=UpScale(*p++); q->green=UpScale(*p++); q->red=UpScale(*p++); } else { q->red=UpScale(*p++); q->green=UpScale(*p++); q->blue=UpScale(*p++); } if (image->colors != 0) { q->red=image->colormap[q->red].red; q->green=image->colormap[q->green].green; q->blue=image->colormap[q->blue].blue; } q->length=0; q++; } if (((image->columns % 2) != 0) && (image->matte == False)) p++; } free((char *) sun_pixels); if (image->class == PseudoClass) { SyncImage(image); CompressColormap(image); } CompressImage(image); /* Proceed to next image. */ sun_header.magic=MSBFirstReadLong(image->file); if (sun_header.magic == 0x59a66a95) { /* Allocate image structure. */ image->next=AllocateImage(image_info); if (image->next == (Image *) NULL) { DestroyImages(image); return((Image *) NULL); } (void) strcpy(image->next->filename,image_info->filename); image->next->file=image->file; image->next->scene=image->scene+1; image->next->previous=image; image=image->next; } } while (sun_header.magic == 0x59a66a95); while (image->previous != (Image *) NULL) image=image->previous; CloseImage(image); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d T A R G A I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadTARGAImage reads a Truevision Targa image file and returns % it. It allocates the memory necessary for the new Image structure and % returns a pointer to the new image. % % The format of the ReadTARGAImage routine is: % % image=ReadTARGAImage(image_info) % % A description of each parameter follows: % % o image: Function ReadTARGAImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadTARGAImage(image_info) ImageInfo *image_info; { #define TargaColormap 1 #define TargaRGB 2 #define TargaMonochrome 3 #define TargaRLEColormap 9 #define TargaRLERGB 10 #define TargaRLEMonochrome 11 typedef struct _TargaHeader { unsigned char id_length, colormap_type, image_type; unsigned short colormap_index, colormap_length; unsigned char colormap_size; unsigned short x_origin, y_origin, width, height; unsigned char pixel_size, attributes; } TargaHeader; Image *image; Quantum blue, green, red; register int i, x, y; register RunlengthPacket *q; TargaHeader targa_header; unsigned char j, k, runlength; unsigned int base, flag, real, skip, status, true; unsigned short index; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Read TARGA header information. */ status=ReadData((char *) &targa_header.id_length,1,1,image->file); targa_header.colormap_type=fgetc(image->file); targa_header.image_type=fgetc(image->file); do { if ((status == False) || (targa_header.image_type == 0) || (targa_header.image_type > 11)) PrematureExit("Not a TARGA image file",image); targa_header.colormap_index=LSBFirstReadShort(image->file); targa_header.colormap_length=LSBFirstReadShort(image->file); targa_header.colormap_size=fgetc(image->file); targa_header.x_origin=LSBFirstReadShort(image->file); targa_header.y_origin=LSBFirstReadShort(image->file); targa_header.width=LSBFirstReadShort(image->file); targa_header.height=LSBFirstReadShort(image->file); targa_header.pixel_size=fgetc(image->file); targa_header.attributes=fgetc(image->file); /* Initialize image structure. */ image->matte=targa_header.pixel_size == 32; image->columns=targa_header.width; image->rows=targa_header.height; image->packets=image->columns*image->rows; image->pixels=(RunlengthPacket *) malloc(image->packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); if (targa_header.id_length != 0) { /* TARGA image comment. */ image->comments=(char *) malloc((targa_header.id_length+1)*sizeof(char)); if (image->comments == (char *) NULL) PrematureExit("Unable to allocate memory",image); (void) ReadData(image->comments,1,targa_header.id_length,image->file); image->comments[targa_header.id_length]='\0'; } if (targa_header.colormap_type != 0) { /* Read TARGA raster colormap. */ if ((targa_header.image_type == TargaRLEColormap) || (targa_header.image_type == TargaRLERGB)) image->class=PseudoClass; image->colors=targa_header.colormap_length; image->colormap=(ColorPacket *) malloc(image->colors*sizeof(ColorPacket)); if (image->colormap == (ColorPacket *) NULL) PrematureExit("Unable to allocate memory",image); for (i=0; i < image->colors; i++) { switch (targa_header.colormap_size) { case 8: default: { /* Gray scale. */ red=UpScale(fgetc(image->file)); green=red; blue=red; break; } case 15: case 16: { /* 5 bits each of red green and blue. */ j=fgetc(image->file); k=fgetc(image->file); red=(Quantum) ((MaxRGB*((int) (k & 0x7c) >> 2))/31); green=(Quantum) ((MaxRGB*(((int) (k & 0x03) << 3)+((int) (j & 0xe0) >> 5)))/31); blue=(Quantum) ((MaxRGB*((int) (j & 0x1f)))/31); break; } case 32: case 24: { /* 8 bits each of blue green and red. */ blue=UpScale(fgetc(image->file)); green=UpScale(fgetc(image->file)); red=UpScale(fgetc(image->file)); break; } } image->colormap[i].red=red; image->colormap[i].green=green; image->colormap[i].blue=blue; } } /* Convert TARGA pixels to runlength-encoded packets. */ base=0; flag=0; index=0; skip=False; real=0; runlength=0; true=0; for (y=0; y < image->rows; y++) { real=true; if (((unsigned char) (targa_header.attributes & 0x20) >> 5) == 0) real=image->rows-real-1; q=image->pixels+(real*image->columns); for (x=0; x < image->columns; x++) { if ((targa_header.image_type == TargaRLEColormap) || (targa_header.image_type == TargaRLERGB) || (targa_header.image_type == TargaRLEMonochrome)) if (runlength != 0) { runlength--; skip=flag != 0; } else { status=ReadData((char *) &runlength,1,1,image->file); if (status == False) PrematureExit("Unable to read image data",image); flag=runlength & 0x80; if (flag != 0) runlength-=128; skip=False; } if (!skip) switch (targa_header.pixel_size) { case 8: default: { /* Gray scale. */ index=fgetc(image->file); if (targa_header.colormap_type == 0) { red=(Quantum) UpScale(index); green=(Quantum) UpScale(index); blue=(Quantum) UpScale(index); } else { red=image->colormap[index].red; green=image->colormap[index].green; blue=image->colormap[index].blue; } break; } case 15: case 16: { /* 5 bits each of red green and blue. */ j=fgetc(image->file); k=fgetc(image->file); red=(Quantum) ((MaxRGB*((int) (k & 0x7c) >> 2))/31); green=(Quantum) ((MaxRGB*(((int) (k & 0x03) << 3)+((int) (j & 0xe0) >> 5)))/31); blue=(Quantum) ((MaxRGB*((int) (j & 0x1f)))/31); index=((unsigned short) k << 8)+j; break; } case 24: case 32: { /* 8 bits each of blue green and red. */ blue=UpScale(fgetc(image->file)); green=UpScale(fgetc(image->file)); red=UpScale(fgetc(image->file)); if (targa_header.pixel_size == 32) index=fgetc(image->file); break; } } if (status == False) PrematureExit("Unable to read image data",image); q->red=red; q->green=green; q->blue=blue; q->index=index; q->length=0; q++; } if (((unsigned char) (targa_header.attributes & 0xc0) >> 6) == 4) true+=4; else if (((unsigned char) (targa_header.attributes & 0xc0) >> 6) == 2) true+=2; else true++; if (true >= image->rows) { base++; true=base; } } (void) IsGrayImage(image); if (image->class == PseudoClass) SyncImage(image); CompressImage(image); /* Proceed to next image. */ status=ReadData((char *) &targa_header.id_length,1,1,image->file); targa_header.colormap_type=fgetc(image->file); targa_header.image_type=fgetc(image->file); status&=((targa_header.image_type != 0) && (targa_header.image_type <= 11)); if (status == True) { /* Allocate image structure. */ image->next=AllocateImage(image_info); if (image->next == (Image *) NULL) { DestroyImages(image); return((Image *) NULL); } (void) strcpy(image->next->filename,image_info->filename); image->next->file=image->file; image->next->scene=image->scene+1; image->next->previous=image; image=image->next; } } while (status == True); while (image->previous != (Image *) NULL) image=image->previous; CloseImage(image); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d T E X T I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadTEXTImage reads a text file and returns it as an image. It % allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % The format of the ReadTEXTImage routine is: % % image=ReadTEXTImage(image_info) % % A description of each parameter follows: % % o image: Function ReadTEXTImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or if % the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadTEXTImage(image_info) ImageInfo *image_info; { char *text_status, text[MaxTextLength]; Display *display; Image *image; int status, offset, x, y; register int i; register RunlengthPacket *p; RunlengthPacket background_color; unsigned int height, width; XAnnotateInfo annotate_info; XFontStruct *font_info; XPixelInfo pixel_info; XResourceInfo resource_info; XrmDatabase resource_database; XStandardColormap *map_info; XVisualInfo *visual_info; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"r"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Open X server connection. */ display=XOpenDisplay(image_info->server_name); if (display == (Display *) NULL) { Warning("Unable to connect to X server", XDisplayName(image_info->server_name)); DestroyImage(image); return((Image *) NULL); } /* Set our forgiving error handler. */ XSetErrorHandler(XError); /* Get user defaults from X resource database. */ resource_database=XGetResourceDatabase(display,client_name); XGetResourceInfo(resource_database,client_name,&resource_info); resource_info.colormap=PrivateColormap; /* Allocate standard colormap. */ XGetAnnotateInfo(&annotate_info); map_info=XAllocStandardColormap(); if (map_info == (XStandardColormap *) NULL) Warning("Unable to create standard colormap","Memory allocation failed"); else { /* Initialize visual info. */ visual_info=XBestVisualInfo(display,map_info,&resource_info); if (visual_info == (XVisualInfo *) NULL) Warning("Unable to get visual",resource_info.visual_type); map_info->colormap=(Colormap) NULL; pixel_info.pixels=(unsigned long *) NULL; /* Initialize font info. */ if (image_info->font != (char *) NULL) resource_info.font=image_info->font; font_info=XBestFont(display,&resource_info,False); if (font_info == (XFontStruct *) NULL) Warning("Unable to load font",resource_info.font); annotate_info.font_info=font_info; annotate_info.height=font_info->ascent+font_info->descent; } if ((map_info == (XStandardColormap *) NULL) || (visual_info == (XVisualInfo *) NULL) || (font_info == (XFontStruct *) NULL)) { XFreeResources(display,visual_info,map_info,(XPixelInfo *) NULL, font_info,&resource_info,(XWindowInfo *) NULL); PrematureExit("Unable to create TEXT image",image); } /* Get the Standard Colormap. */ XGetMapInfo(visual_info,XDefaultColormap(display,visual_info->screen), map_info); XGetPixelInfo(display,visual_info,map_info,&resource_info,(Image *) NULL, &pixel_info); pixel_info.annotate_context=XDefaultGC(display,visual_info->screen); pixel_info.annotate_index=1; background_color.red=XDownScale(pixel_info.background_color.red); background_color.green=XDownScale(pixel_info.background_color.red); background_color.blue=XDownScale(pixel_info.background_color.red); background_color.index=0; background_color.length=0; /* Initialize Image structure. */ (void) XParseGeometry(TextPageGeometry,&x,&y,&width,&height); if (image_info->size != (char *) NULL) (void) XParseGeometry(image_info->size,&x,&y,&width,&height); image->columns=width; image->rows=height; image->packets=image->columns*image->rows; image->pixels=(RunlengthPacket *) malloc(image->packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) { XFreeResources(display,visual_info,map_info,(XPixelInfo *) NULL, font_info,&resource_info,(XWindowInfo *) NULL); PrematureExit("Unable to allocate memory",image); } /* Initialize text image to background color. */ p=image->pixels; for (i=0; i < image->packets; i++) *p++=background_color; /* Annotate the text image. */ annotate_info.text=(char *) malloc(MaxTextLength*sizeof(char)); if (annotate_info.text == (char *) NULL) { XFreeResources(display,visual_info,map_info,(XPixelInfo *) NULL, font_info,&resource_info,(XWindowInfo *) NULL); PrematureExit("Unable to allocate memory",image); } text[MaxTextLength-1]='\0'; text_status=fgets(text,MaxTextLength-1,image->file); if ((int) strlen(text) > 0) text[strlen(text)-1]='\0'; offset=0; while (text_status != (char *) NULL) { *annotate_info.text='\0'; if (*text != '\0') { /* Compute width of text. */ (void) strcpy(annotate_info.text,text); annotate_info.width= XTextWidth(font_info,annotate_info.text,strlen(annotate_info.text)); if ((annotate_info.width+4) >= image->columns) { /* Reduce text until width is within bounds. */ i=strlen(annotate_info.text); for (; (annotate_info.width+(x << 1)) >= image->columns; i--) annotate_info.width= XTextWidth(font_info,annotate_info.text,(unsigned int) i); annotate_info.text[i]='\0'; while ((i > 0) && !isspace(annotate_info.text[i])) i--; if (i > 0) annotate_info.text[i]='\0'; annotate_info.width=XTextWidth(font_info,annotate_info.text, strlen(annotate_info.text)); } /* Annotate image with text. */ (void) sprintf(annotate_info.geometry,"%ux%u%+d%+d", annotate_info.width,annotate_info.height,x,y+offset); status=XAnnotateImage(display,&pixel_info,&annotate_info,False,image); if (status == 0) { Warning("Unable to annotate image","Memory allocation error"); break; } } /* Get next string. */ if (strlen(text) != strlen(annotate_info.text)) (void) strcpy(text,text+strlen(annotate_info.text)+1); else { text_status=fgets(text,MaxTextLength-1,image->file); if ((int) strlen(text) > 0) text[strlen(text)-1]='\0'; } offset+=annotate_info.height; if ((text_status != (char *) NULL) && (((y << 1)+offset+annotate_info.height) >= image->rows)) { /* Page is full-- allocate next image structure. */ CompressImage(image); QuantizeImage(image,2,8,False,RGBColorspace); image->orphan=True; image->next=CopyImage(image,image->columns,image->rows,False); image->orphan=False; if (image->next == (Image *) NULL) { Warning("Unable to annotate image","Memory allocation error"); break; } (void) strcpy(image->next->filename,image_info->filename); image->next->file=image->file; image->next->scene=image->scene+1; image->next->previous=image; image=image->next; /* Initialize text image to background color. */ p=image->pixels; for (i=0; i < image->packets; i++) *p++=background_color; offset=0; } } CompressImage(image); QuantizeImage(image,2,8,False,RGBColorspace); while (image->previous != (Image *) NULL) image=image->previous; CloseImage(image); /* Free resources. */ XFreeResources(display,visual_info,map_info,(XPixelInfo *) NULL, font_info,&resource_info,(XWindowInfo *) NULL); free((char *) annotate_info.text); return(image); } #ifdef HasTIFF #ifndef va_start #if defined(__STDC__) && !defined(NOSTDHDRS) #include #else #include #endif #endif #include "tiffio.h" /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d T I F F I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadTIFFImage reads a Tagged image file and returns it. It % allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % The format of the ReadTIFFImage routine is: % % image=ReadTIFFImage(image_info) % % A description of each parameter follows: % % o image: Function ReadTIFFImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static void TIFFWarningMessage(module,format,warning) const char *module, *format; va_list warning; { char message[MaxTextLength]; register char *p; p=message; if (module != (char *) NULL) { sprintf(p,"%s: ",module); p+=strlen(message); } vsprintf(p,format,warning); strcat(p,"."); Warning(message,(char *) NULL); } static Image *ReadTIFFImage(image_info) ImageInfo *image_info; { char *comment; Image *image; int range; Quantum blue, green, red; register int i, x, y; register RunlengthPacket *q; register unsigned char *p; TIFF *tiff; uint16 extra_samples, *sample_info; unsigned char *scanline; unsigned int height, method, packets, status, width; unsigned short bits_per_sample, index, max_sample_value, min_sample_value, photometric, samples_per_pixel, value; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); if ((image->file == stdin) || image->pipe) { FILE *file; int c; /* Copy standard input or pipe to temporary file. */ TemporaryFilename(image_info->filename); file=fopen(image_info->filename,"wb"); if (file == (FILE *) NULL) PrematureExit("Unable to write file",image); c=fgetc(image->file); while (c != EOF) { (void) putc(c,file); c=fgetc(image->file); } (void) fclose(file); (void) strcpy(image->filename,image_info->filename); image->temporary=True; } CloseImage(image); TIFFSetErrorHandler(TIFFWarningMessage); TIFFSetWarningHandler(TIFFWarningMessage); tiff=TIFFOpen(image->filename,"rb"); if (tiff == (TIFF *) NULL) PrematureExit("Unable to open file",image); if (image_info->subimage != 0) while (image->scene < image_info->subimage) { image->scene++; status=TIFFReadDirectory(tiff); if (status == False) PrematureExit("Unable to read subimage",image); } do { if (image_info->verbose) TIFFPrintDirectory(tiff,stderr,False); TIFFGetField(tiff,TIFFTAG_IMAGEWIDTH,&width); TIFFGetField(tiff,TIFFTAG_IMAGELENGTH,&height); TIFFGetFieldDefaulted(tiff,TIFFTAG_BITSPERSAMPLE,&bits_per_sample); TIFFGetFieldDefaulted(tiff,TIFFTAG_MINSAMPLEVALUE,&min_sample_value); TIFFGetFieldDefaulted(tiff,TIFFTAG_MAXSAMPLEVALUE,&max_sample_value); TIFFGetFieldDefaulted(tiff,TIFFTAG_PHOTOMETRIC,&photometric); TIFFGetFieldDefaulted(tiff,TIFFTAG_SAMPLESPERPIXEL,&samples_per_pixel); TIFFGetFieldDefaulted(tiff,TIFFTAG_RESOLUTIONUNIT,&image->units); TIFFGetFieldDefaulted(tiff,TIFFTAG_XRESOLUTION,&image->x_resolution); TIFFGetFieldDefaulted(tiff,TIFFTAG_YRESOLUTION,&image->y_resolution); /* Allocate memory for the image and pixel buffer. */ image->columns=width; image->rows=height; image->depth=QuantumDepth; if (bits_per_sample <= 8) image->depth=8; image->packets=0; packets=Max((image->columns*image->rows+4) >> 3,1); if (bits_per_sample == 1) packets=Max((image->columns*image->rows+8) >> 4,1); image->pixels=(RunlengthPacket *) malloc(packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) { TIFFClose(tiff); PrematureExit("Unable to allocate memory",image); } comment=(char *) NULL; TIFFGetField(tiff,TIFFTAG_IMAGEDESCRIPTION,&comment); if (comment != (char *) NULL) if ((int) strlen(comment) > 4) { image->comments=(char *) malloc((unsigned int) (strlen(comment)+1)*sizeof(char)); if (image->comments == (char *) NULL) { TIFFClose(tiff); PrematureExit("Unable to allocate memory",image); } (void) strcpy(image->comments,comment); } range=max_sample_value-min_sample_value; if (range < 0) range=max_sample_value; q=image->pixels; q->length=MaxRunlength; method=0; if ((samples_per_pixel > 1) || TIFFIsTiled(tiff)) method=2; if ((samples_per_pixel >= 3) && (photometric == PHOTOMETRIC_RGB)) method=1; switch (method) { case 0: { Quantum *quantum_scanline; register Quantum *r; /* Convert TIFF image to PseudoClass MIFF image. */ image->class=PseudoClass; image->colors=range+1; image->colormap=(ColorPacket *) malloc(image->colors*sizeof(ColorPacket)); quantum_scanline=(Quantum *) malloc(width*sizeof(Quantum)); scanline=(unsigned char *) malloc(TIFFScanlineSize(tiff)+1); if ((image->colormap == (ColorPacket *) NULL) || (quantum_scanline == (Quantum *) NULL) || (scanline == (unsigned char *) NULL)) { TIFFClose(tiff); PrematureExit("Unable to allocate memory",image); } /* Create colormap. */ switch (photometric) { case PHOTOMETRIC_MINISBLACK: { for (i=0; i < image->colors; i++) { image->colormap[i].red=(MaxRGB*i)/range; image->colormap[i].green=(MaxRGB*i)/range; image->colormap[i].blue=(MaxRGB*i)/range; } break; } case PHOTOMETRIC_MINISWHITE: { for (i=0; i < image->colors; i++) { image->colormap[i].red=((range-i)*MaxRGB)/range; image->colormap[i].green=((range-i)*MaxRGB)/range; image->colormap[i].blue=((range-i)*MaxRGB)/range; } break; } case PHOTOMETRIC_PALETTE: { unsigned short *blue_colormap, *green_colormap, *red_colormap; TIFFGetField(tiff,TIFFTAG_COLORMAP,&red_colormap,&green_colormap, &blue_colormap); for (i=0; i < image->colors; i++) { image->colormap[i].red=(red_colormap[i]*MaxRGB)/65535U; image->colormap[i].green=(green_colormap[i]*MaxRGB)/65535U; image->colormap[i].blue=(blue_colormap[i]*MaxRGB)/65535U; } break; } default: break; } /* Convert image to PseudoClass runlength-encoded packets. */ for (y=0; y < image->rows; y++) { TIFFReadScanline(tiff,(char *) scanline,y,0); p=scanline; r=quantum_scanline; switch (bits_per_sample) { case 1: { register int bit; for (x=0; x < ((int) width-7); x+=8) { for (bit=7; bit >= 0; bit--) *r++=((*p) & (0x01 << bit) ? 0x01 : 0x00); p++; } if ((width % 8) != 0) { for (bit=7; bit >= (8-(width % 8)); bit--) *r++=((*p) & (0x01 << bit) ? 0x01 : 0x00); p++; } break; } case 2: { for (x=0; x < ((int) width-3); x+=4) { *r++=(*p >> 6) & 0x3; *r++=(*p >> 4) & 0x3; *r++=(*p >> 2) & 0x3; *r++=(*p) & 0x3; p++; } if ((width % 4) != 0) { for (i=3; i >= (4-(width % 4)); i--) *r++=(*p >> (i*2)) & 0x03; p++; } break; } case 4: { for (x=0; x < ((int) width-1); x+=2) { *r++=(*p >> 4) & 0xf; *r++=(*p) & 0xf; p++; } if ((width % 2) != 0) *r++=(*p++ >> 4) & 0xf; break; } case 8: { for (x=0; x < width; x++) *r++=(*p++); break; } case 16: { for (x=0; x < image->columns; x++) { ReadQuantum(*r,p); r++; } break; } default: break; } /* Transfer image scanline. */ r=quantum_scanline; for (x=0; x < image->columns; x++) { index=(*r++); if ((index == q->index) && ((int) q->length < MaxRunlength)) q->length++; else { if (image->packets != 0) q++; image->packets++; if (image->packets == packets) { packets<<=1; image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) { free((char *) scanline); free((char *) quantum_scanline); TIFFClose(tiff); PrematureExit("Unable to allocate memory",image); } q=image->pixels+image->packets-1; } q->index=index; q->length=0; } } } free((char *) scanline); free((char *) quantum_scanline); if (image->class == PseudoClass) { SyncImage(image); CompressColormap(image); } break; } case 1: { /* Convert TIFF image to DirectClass MIFF image. */ scanline=(unsigned char *) malloc(TIFFScanlineSize(tiff)+1); if (scanline == (unsigned char *) NULL) { TIFFClose(tiff); PrematureExit("Unable to allocate memory",image); } TIFFGetFieldDefaulted(tiff,TIFFTAG_EXTRASAMPLES,&extra_samples, &sample_info); image->matte= ((extra_samples == 1) && (sample_info[0] == EXTRASAMPLE_ASSOCALPHA)); for (y=0; y < image->rows; y++) { TIFFReadScanline(tiff,(char *) scanline,y,0); p=scanline; for (x=0; x < image->columns; x++) { ReadQuantum(red,p); ReadQuantum(green,p); ReadQuantum(blue,p); index=0; if (image->matte) ReadQuantum(index,p); if ((red == q->red) && (green == q->green) && (blue == q->blue) && (index == q->index) && ((int) q->length < MaxRunlength)) q->length++; else { if (image->packets != 0) q++; image->packets++; if (image->packets == packets) { packets<<=1; image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) { TIFFClose(tiff); free((char *) scanline); PrematureExit("Unable to allocate memory",image); } q=image->pixels+image->packets-1; } q->red=red; q->green=green; q->blue=blue; q->index=index; q->length=0; } } } free((char *) scanline); break; } case 2: default: { register uint32 *p, *pixels; /* Convert TIFF image to DirectClass MIFF image. */ TIFFGetFieldDefaulted(tiff,TIFFTAG_EXTRASAMPLES,&extra_samples, &sample_info); image->matte= ((extra_samples == 1) && (sample_info[0] == EXTRASAMPLE_ASSOCALPHA)); pixels=(uint32 *) malloc((image->columns*image->rows+image->columns)*sizeof(uint32)); if (pixels == (uint32 *) NULL) { TIFFClose(tiff); PrematureExit("Unable to allocate memory",image); } status=TIFFReadRGBAImage(tiff,image->columns,image->rows,pixels,0); if (status == False) { free((char *) pixels); TIFFClose(tiff); PrematureExit("Unable to allocate memory",image); } /* Convert image to DirectClass runlength-encoded packets. */ for (y=image->rows-1; y >= 0; y--) { p=pixels+y*image->columns; for (x=0; x < image->columns; x++) { red=UpScale(TIFFGetR(*p)); green=UpScale(TIFFGetG(*p)); blue=UpScale(TIFFGetB(*p)); index=(unsigned short) (image->matte ? TIFFGetA(*p) : 0); if ((red == q->red) && (green == q->green) && (blue == q->blue) && (index == q->index) && ((int) q->length < MaxRunlength)) q->length++; else { if (image->packets != 0) q++; image->packets++; if (image->packets == packets) { packets<<=1; image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) { free((char *) pixels); TIFFClose(tiff); PrematureExit("Unable to allocate memory",image); } q=image->pixels+image->packets-1; } q->red=red; q->green=green; q->blue=blue; q->index=index; q->length=0; } p++; } } free((char *) pixels); if (IsPseudoClass(image)) QuantizeImage(image,(unsigned int) range,8,False,RGBColorspace); break; } } image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,image->packets*sizeof(RunlengthPacket)); /* Proceed to next image. */ if (image_info->subimage != 0) if (image->scene >= (image_info->subimage+image_info->subrange-1)) break; status=TIFFReadDirectory(tiff); if (status == True) { /* Allocate image structure. */ image->next=AllocateImage(image_info); if (image->next == (Image *) NULL) { DestroyImages(image); return((Image *) NULL); } (void) strcpy(image->next->filename,image_info->filename); image->next->file=image->file; image->next->scene=image->scene+1; image->next->previous=image; image=image->next; } } while (status == True); TIFFClose(tiff); if (image->temporary) (void) unlink(image_info->filename); while (image->previous != (Image *) NULL) image=image->previous; return(image); } #else static Image *ReadTIFFImage(image_info) ImageInfo *image_info; { Warning("TIFF library is not available",image_info->filename); return(ReadMIFFImage(image_info)); } #endif /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d T I L E I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadTILEImage tiles a texture on an image. It allocates the % memory necessary for the new Image structure and returns a pointer to the % new image. % % The format of the ReadTILEImage routine is: % % image=ReadTILEImage(image_info) % % A description of each parameter follows: % % o image: Function ReadTILEImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadTILEImage(image_info) ImageInfo *image_info; { Image *image, *tiled_image; int x, y; unsigned int height, width; tiled_image=ReadImage(image_info); if (tiled_image == (Image *) NULL) return((Image *) NULL); /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Determine width and height, e.g. 640x512. */ width=512; height=512; if (image_info->size != (char *) NULL) (void) XParseGeometry(image_info->size,&x,&y,&width,&height); /* Initialize Image structure. */ (void) strcpy(image->filename,image_info->filename); image->columns=width; image->rows=height; image->packets=image->columns*image->rows; image->pixels=(RunlengthPacket *) malloc(image->packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); /* Tile texture onto image. */ for (y=0; y < image->rows; y+=tiled_image->rows) for (x=0; x < image->columns; x+=tiled_image->columns) CompositeImage(image,ReplaceCompositeOp,tiled_image,x,y); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d V I C A R I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadVICARImage reads a VICAR image file and returns it. It % allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % The format of the ReadVICARImage routine is: % % image=ReadVICARImage(image_info) % % A description of each parameter follows: % % o image: Function ReadVICARImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or if % the image cannot be read. % % o filename: Specifies the name of the image to read. % % */ static Image *ReadVICARImage(image_info) ImageInfo *image_info; { char keyword[MaxTextLength], value[MaxTextLength]; Image *image; long count; register int c, i; register RunlengthPacket *q; register unsigned char *p; unsigned char *vicar_pixels; unsigned int header_length, status, value_expected; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Decode image header. */ c=fgetc(image->file); count=1; if (c == EOF) { DestroyImage(image); return((Image *) NULL); } header_length=0; while (isgraph(c) && ((image->columns*image->rows) == 0)) { if (!isalnum(c)) { c=fgetc(image->file); count++; } else { register char *p; /* Determine a keyword and its value. */ p=keyword; do { if ((p-keyword) < (MaxTextLength-1)) *p++=(char) c; c=fgetc(image->file); count++; } while (isalnum(c) || (c == '_')); *p='\0'; value_expected=False; while (isspace(c) || (c == '=')) { if (c == '=') value_expected=True; c=fgetc(image->file); count++; } if (value_expected == False) continue; p=value; while (isalnum(c)) { if ((p-value) < (MaxTextLength-1)) *p++=(char) c; c=fgetc(image->file); count++; } *p='\0'; /* Assign a value to the specified keyword. */ if (strcmp(keyword,"LABEL_RECORDS") == 0) header_length=(unsigned int) atoi(value); if (strcmp(keyword,"LBLSIZE") == 0) header_length=(unsigned int) atoi(value); if (strcmp(keyword,"RECORD_BYTES") == 0) image->columns=(unsigned int) atoi(value); if (strcmp(keyword,"NS") == 0) image->columns=(unsigned int) atoi(value); if (strcmp(keyword,"LINES") == 0) image->rows=(unsigned int) atoi(value); if (strcmp(keyword,"NL") == 0) image->rows=(unsigned int) atoi(value); } while (isspace(c)) { c=fgetc(image->file); count++; } } /* Read the rest of the header. */ while (count < header_length) { c=fgetc(image->file); count++; } /* Verify that required image information is defined. */ if ((image->columns*image->rows) == 0) PrematureExit("image size is zero",image); /* Create linear colormap. */ image->class=PseudoClass; image->colors=256; image->colormap=(ColorPacket *) malloc(image->colors*sizeof(ColorPacket)); if (image->colormap == (ColorPacket *) NULL) PrematureExit("Unable to allocate memory",image); for (i=0; i < image->colors; i++) { image->colormap[i].red=(Quantum) UpScale(i); image->colormap[i].green=(Quantum) UpScale(i); image->colormap[i].blue=(Quantum) UpScale(i); } /* Initialize image structure. */ image->packets=image->columns*image->rows; image->pixels=(RunlengthPacket *) malloc(image->packets*sizeof(RunlengthPacket)); vicar_pixels=(unsigned char *) malloc(image->packets*sizeof(unsigned char)); if ((image->pixels == (RunlengthPacket *) NULL) || (vicar_pixels == (unsigned char *) NULL)) PrematureExit("Unable to read image data",image); /* Convert VICAR pixels to runlength-encoded packets. */ status=ReadData((char *) vicar_pixels,1,image->packets,image->file); if (status == False) PrematureExit("Insufficient image data in file",image); /* Convert VICAR pixels to runlength-encoded packets. */ p=vicar_pixels; q=image->pixels; for (i=0; i < image->packets; i++) { q->index=(unsigned short) *p; q->length=0; p++; q++; } free((char *) vicar_pixels); SyncImage(image); CompressColormap(image); CompressImage(image); CloseImage(image); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d V I D I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadVIDImage reads one of more images and creates a Visual Image % Directory file. It allocates the memory necessary for the new Image % structure and returns a pointer to the new image. % % The format of the ReadVIDImage routine is: % % image=ReadVIDImage(image_info) % % A description of each parameter follows: % % o image: Function ReadVIDImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadVIDImage(image_info) ImageInfo *image_info; { #define ClientName "montage" char **filelist, **list, *resource_value; Display *display; Image *image, **images; ImageInfo local_info; int number_files; register int i, j; XMontageInfo montage_info; XResourceInfo resource_info; XrmDatabase resource_database; /* Expand the filename. */ list=(char **) malloc(sizeof(char *)); if (list == (char **) NULL) { Warning("Memory allocation error",(char *) NULL); return((Image *) NULL); } list[0]=(char *) malloc(strlen(image_info->filename)+1); if (list[0] == (char *) NULL) { Warning("Memory allocation error",(char *) NULL); return((Image *) NULL); } (void) strcpy(list[0],image_info->filename); number_files=1; filelist=list; ExpandFilenames(&number_files,&filelist); if (number_files == 0) { Warning("VID translation failed",image_info->filename); return((Image *) NULL); } /* Allocate images array. */ images=(Image **) malloc(number_files*sizeof(Image *)); if (images == (Image **) NULL) { Warning("Memory allocation error",(char *) NULL); for (i=0; i < number_files; i++) free((char *) filelist[i]); free((char *) filelist); return((Image *) NULL); } /* Open X server connection. */ resource_info.background_color=DefaultTileBackground; resource_info.border_color=DefaultTileBorder; resource_info.border_width=atoi(DefaultTileBorderwidth); resource_info.foreground_color=DefaultTileForeground; resource_info.gravity=CenterGravity; resource_info.image_geometry=DefaultTileGeometry; resource_info.matte_color=DefaultTileMatte; resource_info.title=(char *) NULL; display=XOpenDisplay(image_info->server_name); if (display != (Display *) NULL) { /* Set our forgiving error handler. */ XSetErrorHandler(XError); /* Get user defaults from X resource database. */ resource_database=XGetResourceDatabase(display,client_name); XGetResourceInfo(resource_database,ClientName,&resource_info); resource_info.background_color=XGetResourceInstance(resource_database, ClientName,"background",DefaultTileBackground); resource_value=XGetResourceClass(resource_database,ClientName, "borderWidth",DefaultTileBorderwidth); resource_info.border_width=atoi(resource_value); resource_info.font=image_info->font; resource_info.foreground_color=XGetResourceInstance(resource_database, ClientName,"foreground",DefaultTileForeground); resource_info.image_geometry=XGetResourceInstance(resource_database, ClientName,"imageGeometry",DefaultTileGeometry); resource_info.matte_color=XGetResourceInstance(resource_database, ClientName,"mattecolor",DefaultTileMatte); XCloseDisplay(display); } /* Read each image and convert them to a tile. */ j=0; for (i=0; i < number_files; i++) { local_info=(*image_info); if (local_info.size == (char *) NULL) local_info.size=resource_info.image_geometry; local_info.filename=filelist[i]; *local_info.magick='\0'; image=ReadImage(&local_info); free((char *) filelist[i]); if (image == (Image *) NULL) continue; image->scene=j; LabelImage(image,"%f"); TransformImage(&image,(char *) NULL,resource_info.image_geometry); if (image_info->verbose) DescribeImage(image,stderr,False); images[j]=image; j++; } free((char *) filelist); /* Create the visual image directory. */ XGetMontageInfo(&montage_info); montage_info.number_tiles=j; image=(Image *) NULL; if (montage_info.number_tiles != 0) image= XMontageImage(images,&resource_info,&montage_info,image_info->filename); free((char *) images); if (image == (Image *) NULL) { Warning("VID translation failed",image_info->filename); return((Image *) NULL); } free((char *) list[0]); free((char *) list); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d V I F F I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadVIFFImage reads a Khoros Visualization image file and returns % it. It allocates the memory necessary for the new Image structure and % returns a pointer to the new image. % % The format of the ReadVIFFImage routine is: % % image=ReadVIFFImage(image_info) % % A description of each parameter follows: % % o image: Function ReadVIFFImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or if % the image cannot be read. % % o filename: Specifies the name of the image to read. % % */ static Image *ReadVIFFImage(image_info) ImageInfo *image_info; { #define VFF_CM_genericRGB 15 #define VFF_CM_ntscRGB 1 #define VFF_CM_NONE 0 #define VFF_DEP_DECORDER 0x4 #define VFF_DEP_NSORDER 0x8 #define VFF_DES_RAW 0 #define VFF_LOC_IMPLICIT 1 #define VFF_MAPTYP_NONE 0 #define VFF_MAPTYP_1_BYTE 1 #define VFF_MS_NONE 0 #define VFF_MS_ONEPERBAND 1 #define VFF_MS_SHARED 3 #define VFF_TYP_BIT 0 #define VFF_TYP_1_BYTE 1 #define VFF_TYP_2_BYTE 2 #define VFF_TYP_4_BYTE 4 typedef struct _ViffHeader { unsigned char identifier, file_type, release, version, machine_dependency, reserve[3]; char comment[512]; unsigned long rows, columns, subrows; long x_offset, y_offset; float x_pixel_size, y_pixel_size; unsigned long location_type, location_dimension, number_of_images, number_data_bands, data_storage_type, data_encode_scheme, map_scheme, map_storage_type, map_rows, map_columns, map_subrows, map_enable, maps_per_cycle, color_space_model; } ViffHeader; Image *image; register int bit, i, x, y; register Quantum *p; register RunlengthPacket *q; unsigned char buffer[7], *viff_pixels; unsigned int bytes_per_pixel, status; unsigned long packets; ViffHeader viff_header; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Read VIFF header (1024 bytes). */ status=ReadData((char *) &viff_header.identifier,1,1,image->file); do { /* Verify VIFF identifier. */ if ((status == False) || ((unsigned char) viff_header.identifier != 0xab)) PrematureExit("Not a VIFF raster",image); /* Initialize VIFF image. */ (void) ReadData((char *) buffer,1,7,image->file); viff_header.file_type=buffer[0]; viff_header.release=buffer[1]; viff_header.version=buffer[2]; viff_header.machine_dependency=buffer[3]; (void) ReadData((char *) viff_header.comment,1,512,image->file); viff_header.comment[511]='\0'; if ((int) strlen(viff_header.comment) > 4) { image->comments=(char *) malloc((unsigned int) (strlen(viff_header.comment)+1)*sizeof(char)); if (image->comments == (char *) NULL) PrematureExit("Unable to allocate memory",image); (void) strcpy(image->comments,viff_header.comment); } if ((viff_header.machine_dependency == VFF_DEP_DECORDER) || (viff_header.machine_dependency == VFF_DEP_NSORDER)) { viff_header.rows=LSBFirstReadLong(image->file); viff_header.columns=LSBFirstReadLong(image->file); viff_header.subrows=LSBFirstReadLong(image->file); viff_header.x_offset=LSBFirstReadLong(image->file); viff_header.y_offset=LSBFirstReadLong(image->file); viff_header.x_pixel_size=(float) LSBFirstReadLong(image->file); viff_header.y_pixel_size=(float) LSBFirstReadLong(image->file); viff_header.location_type=LSBFirstReadLong(image->file); viff_header.location_dimension=LSBFirstReadLong(image->file); viff_header.number_of_images=LSBFirstReadLong(image->file); viff_header.number_data_bands=LSBFirstReadLong(image->file); viff_header.data_storage_type=LSBFirstReadLong(image->file); viff_header.data_encode_scheme=LSBFirstReadLong(image->file); viff_header.map_scheme=LSBFirstReadLong(image->file); viff_header.map_storage_type=LSBFirstReadLong(image->file); viff_header.map_rows=LSBFirstReadLong(image->file); viff_header.map_columns=LSBFirstReadLong(image->file); viff_header.map_subrows=LSBFirstReadLong(image->file); viff_header.map_enable=LSBFirstReadLong(image->file); viff_header.maps_per_cycle=LSBFirstReadLong(image->file); viff_header.color_space_model=LSBFirstReadLong(image->file); } else { viff_header.rows=MSBFirstReadLong(image->file); viff_header.columns=MSBFirstReadLong(image->file); viff_header.subrows=MSBFirstReadLong(image->file); viff_header.x_offset=MSBFirstReadLong(image->file); viff_header.y_offset=MSBFirstReadLong(image->file); viff_header.x_pixel_size=(float) MSBFirstReadLong(image->file); viff_header.y_pixel_size=(float) MSBFirstReadLong(image->file); viff_header.location_type=MSBFirstReadLong(image->file); viff_header.location_dimension=MSBFirstReadLong(image->file); viff_header.number_of_images=MSBFirstReadLong(image->file); viff_header.number_data_bands=MSBFirstReadLong(image->file); viff_header.data_storage_type=MSBFirstReadLong(image->file); viff_header.data_encode_scheme=MSBFirstReadLong(image->file); viff_header.map_scheme=MSBFirstReadLong(image->file); viff_header.map_storage_type=MSBFirstReadLong(image->file); viff_header.map_rows=MSBFirstReadLong(image->file); viff_header.map_columns=MSBFirstReadLong(image->file); viff_header.map_subrows=MSBFirstReadLong(image->file); viff_header.map_enable=MSBFirstReadLong(image->file); viff_header.maps_per_cycle=MSBFirstReadLong(image->file); viff_header.color_space_model=MSBFirstReadLong(image->file); } for (i=0; i < 420; i++) (void) fgetc(image->file); /* Verify that we can read this VIFF image. */ if ((viff_header.columns*viff_header.rows) == 0) PrematureExit("Image column or row size is not supported",image); if ((viff_header.data_storage_type != VFF_TYP_BIT) && (viff_header.data_storage_type != VFF_TYP_1_BYTE) && (viff_header.data_storage_type != VFF_TYP_2_BYTE) && (viff_header.data_storage_type != VFF_TYP_4_BYTE)) PrematureExit("Data storage type is not supported",image); if (viff_header.data_encode_scheme != VFF_DES_RAW) PrematureExit("Data encoding scheme is not supported",image); if ((viff_header.map_storage_type != VFF_MAPTYP_NONE) && (viff_header.map_storage_type != VFF_MAPTYP_1_BYTE)) PrematureExit("Map storage type is not supported",image); if ((viff_header.color_space_model != VFF_CM_NONE) && (viff_header.color_space_model != VFF_CM_ntscRGB) && (viff_header.color_space_model != VFF_CM_genericRGB)) PrematureExit("Colorspace model is not supported",image); if (viff_header.location_type != VFF_LOC_IMPLICIT) { Warning("Location type is not supported",image->filename); DestroyImages(image); return((Image *) NULL); } if (viff_header.number_of_images != 1) PrematureExit("Number of images is not supported",image); switch (viff_header.map_scheme) { case VFF_MS_NONE: { if (viff_header.number_data_bands < 3) { /* Create linear color ramp. */ if (viff_header.data_storage_type == VFF_TYP_BIT) image->colors=2; else image->colors=1 << (viff_header.number_data_bands*QuantumDepth); image->colormap=(ColorPacket *) malloc(image->colors*sizeof(ColorPacket)); if (image->colormap == (ColorPacket *) NULL) PrematureExit("Unable to allocate memory",image); for (i=0; i < image->colors; i++) { image->colormap[i].red=(MaxRGB*i)/(image->colors-1); image->colormap[i].green=(MaxRGB*i)/(image->colors-1); image->colormap[i].blue=(MaxRGB*i)/(image->colors-1); } } break; } case VFF_MS_ONEPERBAND: case VFF_MS_SHARED: { unsigned char *viff_colormap; /* Read VIFF raster colormap. */ image->colors=viff_header.map_columns; image->colormap=(ColorPacket *) malloc(image->colors*sizeof(ColorPacket)); viff_colormap=(unsigned char *) malloc(image->colors*sizeof(unsigned char)); if ((image->colormap == (ColorPacket *) NULL) || (viff_colormap == (unsigned char *) NULL)) PrematureExit("Unable to allocate memory",image); (void) ReadData((char *) viff_colormap,1,image->colors,image->file); for (i=0; i < image->colors; i++) { image->colormap[i].red=UpScale(viff_colormap[i]); image->colormap[i].green=UpScale(viff_colormap[i]); image->colormap[i].blue=UpScale(viff_colormap[i]); } if (viff_header.map_rows > 1) { (void) ReadData((char *) viff_colormap,1,image->colors,image->file); for (i=0; i < image->colors; i++) image->colormap[i].green=UpScale(viff_colormap[i]); } if (viff_header.map_rows > 2) { (void) ReadData((char *) viff_colormap,1,image->colors,image->file); for (i=0; i < image->colors; i++) image->colormap[i].blue=UpScale(viff_colormap[i]); } free((char *) viff_colormap); break; } default: PrematureExit("Colormap type is not supported",image); } /* Allocate VIFF pixels. */ bytes_per_pixel=1; if (viff_header.data_storage_type == VFF_TYP_2_BYTE) bytes_per_pixel=2; if (viff_header.data_storage_type == VFF_TYP_4_BYTE) bytes_per_pixel=4; if (viff_header.data_storage_type == VFF_TYP_BIT) packets=((viff_header.columns+7) >> 3)*viff_header.rows; else packets= viff_header.columns*viff_header.rows*viff_header.number_data_bands; viff_pixels=(unsigned char *) malloc(bytes_per_pixel*packets*sizeof(Quantum)); if (viff_pixels == (unsigned char *) NULL) PrematureExit("Unable to allocate memory",image); (void) ReadData((char *) viff_pixels,bytes_per_pixel,(unsigned int) packets, image->file); switch (viff_header.data_storage_type) { int max_value, min_value, value; register Quantum *q; unsigned long scale_factor; case VFF_TYP_1_BYTE: { register unsigned char *p; if (QuantumDepth == 8) break; /* Scale integer pixels to [0..MaxRGB]. */ p=viff_pixels; q=(Quantum *) viff_pixels; p+=packets-1; q+=packets-1; for (i=0; i < packets; i++) { value=UpScale(*p); *q=(Quantum) value; p--; q--; } break; } case VFF_TYP_2_BYTE: { register short int *p; /* Ensure the header byte-order is most-significant byte first. */ if ((viff_header.machine_dependency == VFF_DEP_DECORDER) || (viff_header.machine_dependency == VFF_DEP_NSORDER)) MSBFirstOrderShort((char *) &viff_header, (unsigned int) (bytes_per_pixel*packets)); /* Determine scale factor. */ p=(short int *) viff_pixels; max_value=(*p); min_value=(*p); for (i=0; i < packets; i++) { if (*p > max_value) max_value=(*p); else if (*p < min_value) min_value=(*p); p++; } if ((min_value == 0) && (max_value == 0)) scale_factor=0; else if (min_value == max_value) { scale_factor=UpShift(MaxRGB)/min_value; min_value=0; } else scale_factor=UpShift(MaxRGB)/(max_value-min_value); /* Scale integer pixels to [0..MaxRGB]. */ p=(short int *) viff_pixels; q=(Quantum *) viff_pixels; for (i=0; i < packets; i++) { value=DownShift((*p-min_value)*scale_factor); if (value > MaxRGB) value=MaxRGB; else if (value < 0) value=0; *q=(Quantum) value; p++; q++; } break; } case VFF_TYP_4_BYTE: { register int *p; /* Ensure the header byte-order is most-significant byte first. */ if ((viff_header.machine_dependency == VFF_DEP_DECORDER) || (viff_header.machine_dependency == VFF_DEP_NSORDER)) MSBFirstOrderLong((char *) &viff_header, (unsigned int) (bytes_per_pixel*packets)); /* Determine scale factor. */ p=(int *) viff_pixels; max_value=(*p); min_value=(*p); for (i=0; i < packets; i++) { if (*p > max_value) max_value=(*p); else if (*p < min_value) min_value=(*p); p++; } if ((min_value == 0) && (max_value == 0)) scale_factor=0; else if (min_value == max_value) { scale_factor=UpShift(MaxRGB)/min_value; min_value=0; } else scale_factor=UpShift(MaxRGB)/(max_value-min_value); /* Scale integer pixels to [0..MaxRGB]. */ p=(int *) viff_pixels; q=(Quantum *) viff_pixels; for (i=0; i < packets; i++) { value=DownShift((*p-min_value)*scale_factor); if (value > MaxRGB) value=MaxRGB; else if (value < 0) value=0; *q=(unsigned char) value; p++; q++; } break; } } /* Initialize image structure. */ image->matte=(viff_header.number_data_bands == 4); image->class= (viff_header.number_data_bands < 3 ? PseudoClass : DirectClass); image->columns=viff_header.rows; image->rows=viff_header.columns; image->packets=image->columns*image->rows; image->pixels=(RunlengthPacket *) malloc(image->packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); /* Convert VIFF raster image to runlength-encoded packets. */ p=(Quantum *) viff_pixels; q=image->pixels; if (viff_header.data_storage_type == VFF_TYP_BIT) { unsigned int polarity; /* Convert bitmap scanline to runlength-encoded color packets. */ polarity=(viff_header.machine_dependency == VFF_DEP_DECORDER) || (viff_header.machine_dependency == VFF_DEP_NSORDER); for (y=0; y < image->rows; y++) { /* Convert bitmap scanline to runlength-encoded color packets. */ for (x=0; x < (image->columns >> 3); x++) { for (bit=0; bit < 8; bit++) { q->index=((*p) & (0x01 << bit) ? polarity : !polarity); q->length=0; q++; } p++; } if ((image->columns % 8) != 0) { for (bit=0; bit < (image->columns % 8); bit++) { q->index=((*p) & (0x01 << bit) ? polarity : !polarity); q->length=0; q++; } p++; } } } else if (image->class == PseudoClass) for (y=0; y < image->rows; y++) { /* Convert PseudoColor scanline to runlength-encoded color packets. */ for (x=0; x < image->columns; x++) { q->index=(*p++); q->length=0; q++; } } else { unsigned long offset; /* Convert DirectColor scanline to runlength-encoded color packets. */ offset=image->columns*image->rows; for (y=0; y < image->rows; y++) { for (x=0; x < image->columns; x++) { q->red=(*p); q->green=(*(p+offset)); q->blue=(*(p+offset*2)); if (image->colors != 0) { q->red=image->colormap[q->red].red; q->green=image->colormap[q->green].green; q->blue=image->colormap[q->blue].blue; } q->index=(unsigned short) (image->matte ? (*(p+offset*3)) : 0); q->length=0; p++; q++; } } } free((char *) viff_pixels); if (image->class == PseudoClass) { SyncImage(image); CompressColormap(image); } CompressImage(image); /* Proceed to next image. */ status=ReadData((char *) &viff_header.identifier,1,1,image->file); if ((status == True) && (viff_header.identifier == 0xab)) { /* Allocate image structure. */ image->next=AllocateImage(image_info); if (image->next == (Image *) NULL) { DestroyImages(image); return((Image *) NULL); } (void) strcpy(image->next->filename,image_info->filename); image->next->file=image->file; image->next->scene=image->scene+1; image->next->previous=image; image=image->next; } } while ((status == True) && (viff_header.identifier == 0xab)); while (image->previous != (Image *) NULL) image=image->previous; CloseImage(image); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d X I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Procedure ReadXImage reads an image from an X window. % % The format of the ReadXImage routine is: % % image=ReadXImage(image_info,frame,borders,screen,descend) % % A description of each parameter follows: % % o image_info: Specifies a pointer to an ImageInfo structure. % % o frame: Specifies whether to include the window manager frame with the % image. % % o borders: Specifies whether borders pixels are to be saved with % the image. % % o screen: Specifies whether the GetImage request used to obtain the image % should be done on the root window, rather than directly on the specified % window. % % o descend: If this option is zero, check to see if the WM_COLORMAP_WINDOWS % property is set or if XListInstalledColormaps returns more than one % colormap. If so, the image is obtained by descending the window % hierarchy and reading each subwindow and its colormap. % % */ Image *ReadXImage(image_info,frame,borders,screen,descend) ImageInfo *image_info; unsigned int frame, borders, screen, descend; { Colormap *colormaps; Display *display; Image *image; int status, x; RectangleInfo crop_info; Window *children, client, root, target; XTextProperty window_name; /* Open X server connection. */ display=XOpenDisplay(image_info->server_name); if (display == (Display *) NULL) { Warning("Unable to connect to X server", XDisplayName(image_info->server_name)); return((Image *) NULL); } /* Set our forgiving error handler. */ XSetErrorHandler(XError); /* Select target window. */ crop_info.x=0; crop_info.y=0; crop_info.width=0; crop_info.height=0; root=XRootWindow(display,XDefaultScreen(display)); target=(Window) NULL; if ((image_info->filename != (char *) NULL) && (*image_info->filename != '\0')) if (Latin1Compare(image_info->filename,"root") == 0) target=root; else { /* Select window by ID or name. */ if (isdigit(*image_info->filename)) target=XWindowByID(display,root,(Window) strtol(image_info->filename, (char **) NULL,0)); if (target == (Window) NULL) target=XWindowByName(display,root,image_info->filename); if (target == (Window) NULL) Warning("No window with specified id exists",image_info->filename); } /* If target window is not defined, interactively select one. */ if (target == (Window) NULL) target=XSelectWindow(display,&crop_info); client=target; if (target != root) { unsigned int d; status=XGetGeometry(display,target,&root,&x,&x,&d,&d,&d,&d); if (status != 0) { for ( ; ; ) { Window parent; /* Find window manager frame. */ status=XQueryTree(display,target,&root,&parent,&children,&d); if (status && (children != (Window *) NULL)) XFree((char *) children); if (!status || (parent == (Window) NULL) || (parent == root)) break; target=parent; } /* Get client window. */ client=XClientWindow(display,target); if (!frame) target=client; } } if (screen) { int y; Window child; XWindowAttributes window_attributes; /* Obtain window image directly from screen. */ status=XGetWindowAttributes(display,target,&window_attributes); if (status == False) { Warning("Unable to read X window attributes",image_info->filename); XCloseDisplay(display); return((Image *) NULL); } XTranslateCoordinates(display,target,root,0,0,&x,&y,&child); crop_info.x=x; crop_info.y=y; crop_info.width=window_attributes.width; crop_info.height=window_attributes.height; if (borders) { /* Include border in image. */ crop_info.x-=window_attributes.border_width; crop_info.y-=window_attributes.border_width; crop_info.width+=window_attributes.border_width << 1; crop_info.height+=window_attributes.border_width << 1; } target=root; } if (descend) { int number_colormaps, number_windows; /* If WM_COLORMAP_WINDOWS property is set or multiple colormaps, descend. */ descend=False; number_windows=0; status=XGetWMColormapWindows(display,target,&children,&number_windows); if ((status == True) && (number_windows > 0)) { descend=True; XFree ((char *) children); } colormaps=XListInstalledColormaps(display,target,&number_colormaps); if (number_colormaps > 0) { if (number_colormaps > 1) descend=True; XFree((char *) colormaps); } } /* Alert the user not to alter the screen. */ XBell(display,0); /* Get image by window id. */ XGrabServer(display); image=XGetWindowImage(display,target,borders,descend); XUngrabServer(display); if (image == (Image *) NULL) Warning("Unable to read X window image",image_info->filename); else { (void) strcpy(image->filename,image_info->filename); if ((crop_info.width != 0) && (crop_info.height != 0)) { Image *cropped_image; /* Crop image as defined by the cropping rectangle. */ cropped_image=CropImage(image,&crop_info); if (cropped_image != (Image *) NULL) { DestroyImage(image); image=cropped_image; } } status=XGetWMName(display,target,&window_name); if (status == True) { if ((image_info->filename != (char *) NULL) && (*image_info->filename == '\0')) { /* Initialize image filename. */ (void) strncpy(image->filename,(char *) window_name.value, (int) window_name.nitems); image->filename[window_name.nitems]='\0'; } XFree((void *) window_name.value); } } /* Alert the user we're done. */ XBell(display,0); XBell(display,0); CompressImage(image); XCloseDisplay(display); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d X B M I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadXBMImage reads an X11 bitmap image file and returns it. It % allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % The format of the ReadXBMImage routine is: % % image=ReadXBMImage(image_info) % % A description of each parameter follows: % % o image: Function ReadXBMImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static int XBMInteger(file,hex_digits) FILE *file; short int *hex_digits; { int c, flag, value; value=0; flag=0; for ( ; ; ) { c=getc(file); if (c == EOF) { value=(-1); break; } c&=0xff; if (isascii(c) && isxdigit(c)) { value=(value << 4)+hex_digits[c]; flag++; continue; } if ((hex_digits[c]) < 0 && flag) break; } return(value); } static Image *ReadXBMImage(image_info) ImageInfo *image_info; { char buffer[MaxTextLength], name[MaxTextLength]; Image *image; register int x, y; register RunlengthPacket *q; register unsigned char *p; register unsigned short index; short int hex_digits[256]; unsigned char bit, *data; unsigned int byte, bytes_per_line, packets, padding, value, version; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Read X bitmap header. */ while (fgets(buffer,MaxTextLength-1,image->file) != (char *) NULL) if (sscanf(buffer,"#define %*32s %u",&image->columns) == 1) break; while (fgets(buffer,MaxTextLength-1,image->file) != (char *) NULL) if (sscanf(buffer,"#define %*32s %u",&image->rows) == 1) break; /* Scan until hex digits. */ version=11; while (fgets(buffer,MaxTextLength-1,image->file) != (char *) NULL) { if (sscanf(buffer,"static short %s = {",name) == 1) version=10; else if (sscanf(buffer,"static unsigned char %s = {",name) == 1) version=11; else if (sscanf(buffer,"static char %s = {",name) == 1) version=11; else continue; p=(unsigned char *) strrchr(name,'_'); if (p == (unsigned char *) NULL) p=(unsigned char *) name; else p++; if (strcmp("bits[]",(char *) p) == 0) break; } if ((image->columns == 0) || (image->rows == 0) || feof(image->file)) PrematureExit("XBM file is not in the correct format",image); /* Initialize image structure. */ image->packets=image->columns*image->rows; image->pixels=(RunlengthPacket *) malloc(image->packets*sizeof(RunlengthPacket)); padding=0; if ((image->columns % 16) && ((image->columns % 16) < 9) && (version == 10)) padding=1; bytes_per_line=(image->columns+7)/8+padding; packets=bytes_per_line*image->rows; data=(unsigned char *) malloc(packets*sizeof(unsigned char *)); if ((image->pixels == (RunlengthPacket *) NULL) || (data == (unsigned char *) NULL)) PrematureExit("Unable to allocate memory",image); /* Create colormap. */ image->class=PseudoClass; image->colors=2; image->colormap=(ColorPacket *) malloc(image->colors*sizeof(ColorPacket)); if (image->colormap == (ColorPacket *) NULL) PrematureExit("Unable to allocate memory",image); image->colormap[0].red=0; image->colormap[0].green=0; image->colormap[0].blue=0; image->colormap[1].red=MaxRGB; image->colormap[1].green=MaxRGB; image->colormap[1].blue=MaxRGB; /* Initialize hex values. */ hex_digits['0']=0; hex_digits['1']=1; hex_digits['2']=2; hex_digits['3']=3; hex_digits['4']=4; hex_digits['5']=5; hex_digits['6']=6; hex_digits['7']=7; hex_digits['8']=8; hex_digits['9']=9; hex_digits['A']=10; hex_digits['B']=11; hex_digits['C']=12; hex_digits['D']=13; hex_digits['E']=14; hex_digits['F']=15; hex_digits['a']=10; hex_digits['b']=11; hex_digits['c']=12; hex_digits['d']=13; hex_digits['e']=14; hex_digits['f']=15; hex_digits[' ']=(-1); hex_digits[',']=(-1); hex_digits['}']=(-1); hex_digits['\n']=(-1); hex_digits['\t']=(-1); /* Read hex image data. */ p=data; if (version == 10) for (x=0; x < packets; (x+=2)) { value=XBMInteger(image->file,hex_digits); *p++=value; if (!padding || ((x+2) % bytes_per_line)) *p++=value >> 8; } else for (x=0; x < packets; x++) { value=XBMInteger(image->file,hex_digits); *p++=value; } /* Convert X bitmap image to runlength-encoded packets. */ p=data; q=image->pixels; for (y=0; y < image->rows; y++) { bit=0; for (x=0; x < image->columns; x++) { if (bit == 0) byte=(*p++); index=(byte & 0x01) ? 0 : 1; q->index=index; q->length=0; q++; bit++; byte>>=1; if (bit == 8) bit=0; } } SyncImage(image); CompressImage(image); CloseImage(image); free((char *) data); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d X C I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadXCImage creates a constant image and initializes to the % X server color as specified by the filename. It allocates the memory % necessary for the new Image structure and returns a pointer to the new % image. % % The format of the ReadXCImage routine is: % % image=ReadXCImage(image_info) % % A description of each parameter follows: % % o image: Function ReadXCImage returns a pointer to the image after % creating it. A null image is returned if there is a a memory shortage % or if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadXCImage(image_info) ImageInfo *image_info; { Image *image; int x, y; register int i; register RunlengthPacket *q; unsigned int height, width; XColor color; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Determine width and height, e.g. 640x512. */ width=512; height=512; if (image_info->size != (char *) NULL) (void) XParseGeometry(image_info->size,&x,&y,&width,&height); /* Initialize Image structure. */ (void) strcpy(image->filename,image_info->filename); image->columns=width; image->rows=height; image->packets=((image->columns*image->rows-1)/(MaxRunlength+1))+1; image->pixels=(RunlengthPacket *) malloc(image->packets*sizeof(RunlengthPacket)); image->class=PseudoClass; image->colors=1; image->colormap=(ColorPacket *) malloc(image->colors*sizeof(ColorPacket)); if ((image->pixels == (RunlengthPacket *) NULL) || (image->colormap == (ColorPacket *) NULL)) PrematureExit("Unable to allocate memory",image); /* Initialize colormap. */ (void) XQueryColorDatabase(image_info->filename,&color); image->colormap[0].red=XDownScale(color.red); image->colormap[0].green=XDownScale(color.green); image->colormap[0].blue=XDownScale(color.blue); q=image->pixels; for (i=0; i < image->packets; i++) { q->index=0; q->length=MaxRunlength; q++; } q--; q->length=image->columns*image->rows-(MaxRunlength+1)*(image->packets-1)-1; SyncImage(image); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d X P M I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadXBMImage reads an X11 pixmap image file and returns it. It % allocates the memory necessary for the new Image structure and returns a % pointer to the new image. % % The format of the ReadXPMImage routine is: % % image=ReadXPMImage(image_info) % % A description of each parameter follows: % % o image: Function ReadXPMImage returns a pointer to the image after % creating it. A null image is returned if there is a a memory shortage % or if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ #ifdef HasXPM #include "xpm.h" static Image *ReadXPMImage(image_info) ImageInfo *image_info; { char *xpm_buffer; Display *display; Image *image; int length, status, x, y; register char *q; register int i; register RunlengthPacket *p; register unsigned long pixel; XColor *colors; XImage *matte_image, *ximage; XpmAttributes xpm_attributes; XResourceInfo resource_info; XrmDatabase resource_database; XStandardColormap *map_info; XVisualInfo *visual_info; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"r"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Read XPM file. */ length=MaxTextLength; xpm_buffer=(char *) malloc(length*sizeof(char)); if (xpm_buffer != (char *) NULL) { q=xpm_buffer; while (fgets(q,MaxTextLength-1,image->file) != (char *) NULL) { q+=strlen(q); if ((q-xpm_buffer+MaxTextLength) > length) { *q='\0'; length<<=1; xpm_buffer=(char *) realloc((char *) xpm_buffer,length*sizeof(char)); if (xpm_buffer == (char *) NULL) break; q=xpm_buffer+strlen(xpm_buffer); } } } if (xpm_buffer == (char *) NULL) PrematureExit("Unable to allocate memory",image); CloseImage(image); /* Open X server connection. */ display=XOpenDisplay(image_info->server_name); if (display == (Display *) NULL) { Warning("Unable to connect to X server", XDisplayName(image_info->server_name)); PrematureExit("Unable to create XPM image",image); } /* Set our forgiving error handler. */ XSetErrorHandler(XError); /* Get user defaults from X resource database. */ resource_database=XGetResourceDatabase(display,client_name); XGetResourceInfo(resource_database,client_name,&resource_info); /* Allocate standard colormap. */ map_info=XAllocStandardColormap(); if (map_info == (XStandardColormap *) NULL) Warning("Unable to create standard colormap","Memory allocation failed"); else { /* Initialize visual info. */ visual_info=XBestVisualInfo(display,map_info,&resource_info); if (visual_info == (XVisualInfo *) NULL) Warning("Unable to get visual",resource_info.visual_type); map_info->colormap=(Colormap) NULL; } if ((map_info == (XStandardColormap *) NULL) || (visual_info == (XVisualInfo *) NULL)) { XFreeResources(display,visual_info,map_info,(XPixelInfo *) NULL, (XFontStruct *) NULL,&resource_info,(XWindowInfo *) NULL); PrematureExit("Unable to create XPM image",image); } /* Initialize X colormap. */ map_info->colormap=XCreateColormap(display, XRootWindow(display,visual_info->screen),visual_info->visual, visual_info->class == DirectColor ? AllocAll : AllocNone); if (map_info->colormap == (Colormap) NULL) { XFreeResources(display,visual_info,map_info,(XPixelInfo *) NULL, (XFontStruct *) NULL,&resource_info,(XWindowInfo *) NULL); PrematureExit("Unable to create colormap",image); } /* Initialize XPM attributes. */ xpm_attributes.valuemask=XpmColorKey | XpmColormap | XpmDepth | XpmVisual; xpm_attributes.visual=visual_info->visual; xpm_attributes.colormap=map_info->colormap; xpm_attributes.depth=visual_info->depth; xpm_attributes.color_key=XPM_COLOR; /* Read in a file in the XPM format into a X image structure. */ status=XpmCreateImageFromBuffer(display,xpm_buffer,&ximage,&matte_image, &xpm_attributes); if (status != XpmSuccess) { XFreeResources(display,visual_info,map_info,(XPixelInfo *) NULL, (XFontStruct *) NULL,&resource_info,(XWindowInfo *) NULL); PrematureExit("Unable to create XPM image",image); } free((char *) xpm_buffer); XpmFreeAttributes(&xpm_attributes); /* Get the colormap colors. */ colors=(XColor *) malloc(visual_info->colormap_size*sizeof(XColor)); if (colors == (XColor *) NULL) { XFreeResources(display,visual_info,map_info,(XPixelInfo *) NULL, (XFontStruct *) NULL,&resource_info,(XWindowInfo *) NULL); XDestroyImage(ximage); PrematureExit("Unable to read X colormap",image); } if ((visual_info->class != DirectColor) && (visual_info->class != TrueColor)) for (i=0; i < visual_info->colormap_size; i++) { colors[i].pixel=i; colors[i].pad=0; } else { unsigned long blue, blue_bit, green, green_bit, red, red_bit; /* DirectColor or TrueColor visual. */ red=0; green=0; blue=0; red_bit=visual_info->red_mask & (~(visual_info->red_mask)+1); green_bit=visual_info->green_mask & (~(visual_info->green_mask)+1); blue_bit=visual_info->blue_mask & (~(visual_info->blue_mask)+1); for (i=0; i < visual_info->colormap_size; i++) { colors[i].pixel=red | green | blue; colors[i].pad=0; red+=red_bit; if (red > visual_info->red_mask) red=0; green+=green_bit; if (green > visual_info->green_mask) green=0; blue+=blue_bit; if (blue > visual_info->blue_mask) blue=0; } } XQueryColors(display,map_info->colormap,colors,visual_info->colormap_size); /* Convert X image to MIFF format. */ if ((visual_info->class != TrueColor) && (visual_info->class != DirectColor)) image->class=PseudoClass; image->columns=ximage->width; image->rows=ximage->height; image->packets=image->columns*image->rows; image->pixels=(RunlengthPacket *) malloc(image->packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) { free((char *) colors); XFreeResources(display,visual_info,map_info,(XPixelInfo *) NULL, (XFontStruct *) NULL,&resource_info,(XWindowInfo *) NULL); XDestroyImage(ximage); PrematureExit("Unable to allocate memory",image); } p=image->pixels; switch (image->class) { case DirectClass: { register unsigned long color, index; unsigned long blue_mask, blue_shift, green_mask, green_shift, red_mask, red_shift; /* Determine shift and mask for red, green, and blue. */ red_mask=visual_info->red_mask; red_shift=0; while ((red_mask & 0x01) == 0) { red_mask>>=1; red_shift++; } green_mask=visual_info->green_mask; green_shift=0; while ((green_mask & 0x01) == 0) { green_mask>>=1; green_shift++; } blue_mask=visual_info->blue_mask; blue_shift=0; while ((blue_mask & 0x01) == 0) { blue_mask>>=1; blue_shift++; } /* Convert X image to DirectClass packets. */ if ((visual_info->colormap_size > 0) && (visual_info->class == DirectColor)) for (y=0; y < image->rows; y++) { for (x=0; x < image->columns; x++) { pixel=XGetPixel(ximage,x,y); index=(pixel >> red_shift) & red_mask; p->red=XDownScale(colors[index].red); index=(pixel >> green_shift) & green_mask; p->green=XDownScale(colors[index].green); index=(pixel >> blue_shift) & blue_mask; p->blue=XDownScale(colors[index].blue); p->index=0; p->length=0; p++; } } else for (y=0; y < image->rows; y++) for (x=0; x < image->columns; x++) { pixel=XGetPixel(ximage,x,y); color=(pixel >> red_shift) & red_mask; p->red=XDownScale((color*65535UL)/red_mask); color=(pixel >> green_shift) & green_mask; p->green=XDownScale((color*65535UL)/green_mask); color=(pixel >> blue_shift) & blue_mask; p->blue=XDownScale((color*65535UL)/blue_mask); p->index=0; p->length=0; p++; } break; } case PseudoClass: { /* Create colormap. */ image->colors=visual_info->colormap_size; image->colormap=(ColorPacket *) malloc(image->colors*sizeof(ColorPacket)); if (image->colormap == (ColorPacket *) NULL) { free((char *) colors); XFreeResources(display,visual_info,map_info,(XPixelInfo *) NULL, (XFontStruct *) NULL,&resource_info,(XWindowInfo *) NULL); XDestroyImage(ximage); DestroyImage(image); return((Image *) NULL); } for (i=0; i < image->colors; i++) { image->colormap[colors[i].pixel].red=XDownScale(colors[i].red); image->colormap[colors[i].pixel].green=XDownScale(colors[i].green); image->colormap[colors[i].pixel].blue=XDownScale(colors[i].blue); } /* Convert X image to PseudoClass packets. */ for (y=0; y < image->rows; y++) for (x=0; x < image->columns; x++) { p->index=(unsigned short) XGetPixel(ximage,x,y); p->length=0; p++; } SyncImage(image); break; } } if (matte_image != (XImage *) NULL) { /* Initialize image matte. */ image->class=DirectClass; image->matte=True; p=image->pixels; for (y=0; y < image->rows; y++) for (x=0; x < image->columns; x++) { p->index=Opaque; if (!XGetPixel(matte_image,x,y)) p->index=Transparent; p++; } XDestroyImage(matte_image); } if (image->class == PseudoClass) CompressColormap(image); /* Free resources. */ free((char *) colors); XDestroyImage(ximage); XFreeResources(display,visual_info,map_info,(XPixelInfo *) NULL, (XFontStruct *) NULL,&resource_info,(XWindowInfo *) NULL); CompressImage(image); return(image); } #else static Image *ReadXPMImage(image_info) ImageInfo *image_info; { Warning("XPM library is not available",image_info->filename); return(ReadMIFFImage(image_info)); } #endif /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d X W D I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadXWDImage reads an X Window System window dump image file and % returns it. It allocates the memory necessary for the new Image structure % and returns a pointer to the new image. % % The format of the ReadXWDImage routine is: % % image=ReadXWDImage(image_info) % % A description of each parameter follows: % % o image: Function ReadXWDImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadXWDImage(image_info) ImageInfo *image_info; { Image *image; int status, x, y; register int i; register RunlengthPacket *q; register unsigned long pixel; unsigned long lsb_first; unsigned int packets; unsigned short index; XColor *colors; XImage *ximage; XWDFileHeader header; /* Allocate image structure. */ image=AllocateImage(image_info); if (image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ OpenImage(image,"rb"); if (image->file == (FILE *) NULL) PrematureExit("Unable to open file",image); /* Read in header information. */ status=ReadData((char *) &header,sz_XWDheader,1,image->file); if (status == False) PrematureExit("Unable to read dump file header",image); /* Ensure the header byte-order is most-significant byte first. */ lsb_first=1; if (*(char *) &lsb_first) MSBFirstOrderLong((char *) &header,sz_XWDheader); /* Check to see if the dump file is in the proper format. */ if (header.file_version != XWD_FILE_VERSION) PrematureExit("XWD file format version mismatch",image); if (header.header_size < sz_XWDheader) PrematureExit("XWD header size is too small",image); packets=(header.header_size-sz_XWDheader); image->comments=(char *) malloc((packets+1)*sizeof(char)); if (image->comments == (char *) NULL) PrematureExit("Unable to allocate memory",image); status=ReadData((char *) image->comments,1,packets,image->file); image->comments[packets]='\0'; if (status == False) PrematureExit("Unable to read window name from dump file",image); /* Initialize the X image. */ ximage=(XImage *) malloc(sizeof(XImage)); if (ximage == (XImage *) NULL) PrematureExit("Unable to allocate memory",image); ximage->depth=header.pixmap_depth; ximage->format=header.pixmap_format; ximage->xoffset=header.xoffset; ximage->data=(char *) NULL; ximage->width=header.pixmap_width; ximage->height=header.pixmap_height; ximage->bitmap_pad=header.bitmap_pad; ximage->bytes_per_line=header.bytes_per_line; ximage->byte_order=header.byte_order; ximage->bitmap_unit=header.bitmap_unit; ximage->bitmap_bit_order=header.bitmap_bit_order; ximage->bits_per_pixel=header.bits_per_pixel; ximage->red_mask=header.red_mask; ximage->green_mask=header.green_mask; ximage->blue_mask=header.blue_mask; status=XInitImage(ximage); if (status == False) PrematureExit("Invalid XWD header",image); /* Read colormap. */ colors=(XColor *) NULL; if (header.ncolors != 0) { XWDColor color; colors=(XColor *) malloc((unsigned int) header.ncolors*sizeof(XColor)); if (colors == (XColor *) NULL) PrematureExit("Unable to allocate memory",image); for (i=0; i < header.ncolors; i++) { status=ReadData((char *) &color,sz_XWDColor,1,image->file); if (status == False) PrematureExit("Unable to read color map from dump file",image); colors[i].pixel=color.pixel; colors[i].red=color.red; colors[i].green=color.green; colors[i].blue=color.blue; colors[i].flags=color.flags; } /* Ensure the header byte-order is most-significant byte first. */ lsb_first=1; if (*(char *) &lsb_first) for (i=0; i < header.ncolors; i++) { MSBFirstOrderLong((char *) &colors[i].pixel,sizeof(unsigned long)); MSBFirstOrderShort((char *) &colors[i].red,3*sizeof(unsigned short)); } } /* Allocate the pixel buffer. */ if (ximage->format == ZPixmap) packets=ximage->bytes_per_line*ximage->height; else packets=ximage->bytes_per_line*ximage->height*ximage->depth; ximage->data=(char *) malloc(packets*sizeof(unsigned char)); if (ximage->data == (char *) NULL) PrematureExit("Unable to allocate memory",image); status=ReadData(ximage->data,1,packets,image->file); if (status == False) PrematureExit("Unable to read dump pixmap",image); /* Convert image to MIFF format. */ image->columns=ximage->width; image->rows=ximage->height; if ((colors == (XColor *) NULL) || (ximage->red_mask != 0) || (ximage->green_mask != 0) || (ximage->blue_mask != 0)) image->class=DirectClass; else image->class=PseudoClass; image->colors=header.ncolors; image->packets=0; packets=Max((image->columns*image->rows+4) >> 3,1); image->pixels=(RunlengthPacket *) malloc(packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); q=image->pixels; q->length=MaxRunlength; switch (image->class) { case DirectClass: { register unsigned long color; unsigned int blue, green, red; unsigned long blue_mask, blue_shift, green_mask, green_shift, red_mask, red_shift; /* Determine shift and mask for red, green, and blue. */ red_mask=ximage->red_mask; red_shift=0; while ((red_mask & 0x01) == 0) { red_mask>>=1; red_shift++; } green_mask=ximage->green_mask; green_shift=0; while ((green_mask & 0x01) == 0) { green_mask>>=1; green_shift++; } blue_mask=ximage->blue_mask; blue_shift=0; while ((blue_mask & 0x01) == 0) { blue_mask>>=1; blue_shift++; } /* Convert X image to DirectClass packets. */ if (image->colors != 0) for (y=0; y < image->rows; y++) { for (x=0; x < image->columns; x++) { pixel=XGetPixel(ximage,x,y); index=(unsigned short) ((pixel >> red_shift) & red_mask); red=XDownScale(colors[index].red); index=(unsigned short) ((pixel >> green_shift) & green_mask); green=XDownScale(colors[index].green); index=(unsigned short) ((pixel >> blue_shift) & blue_mask); blue=XDownScale(colors[index].blue); if ((red == q->red) && (green == q->green) && (blue == q->blue) && ((int) q->length < MaxRunlength)) q->length++; else { if (image->packets != 0) q++; image->packets++; if (image->packets == packets) { packets<<=1; image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); q=image->pixels+image->packets-1; } q->red=red; q->green=green; q->blue=blue; q->index=0; q->length=0; } } } else for (y=0; y < image->rows; y++) for (x=0; x < image->columns; x++) { pixel=XGetPixel(ximage,x,y); color=(pixel >> red_shift) & red_mask; red=XDownScale((color*65535UL)/red_mask); color=(pixel >> green_shift) & green_mask; green=XDownScale((color*65535UL)/green_mask); color=(pixel >> blue_shift) & blue_mask; blue=XDownScale((color*65535UL)/blue_mask); if ((red == q->red) && (green == q->green) && (blue == q->blue) && ((int) q->length < MaxRunlength)) q->length++; else { if (image->packets != 0) q++; image->packets++; if (image->packets == packets) { packets<<=1; image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); q=image->pixels+image->packets-1; } q->red=red; q->green=green; q->blue=blue; q->index=0; q->length=0; } } break; } case PseudoClass: { /* Convert X image to PseudoClass packets. */ image->colormap=(ColorPacket *) malloc(image->colors*sizeof(ColorPacket)); if (image->colormap == (ColorPacket *) NULL) PrematureExit("Unable to allocate memory",image); for (i=0; i < image->colors; i++) { image->colormap[i].red=XDownScale(colors[i].red); image->colormap[i].green=XDownScale(colors[i].green); image->colormap[i].blue=XDownScale(colors[i].blue); } for (y=0; y < image->rows; y++) for (x=0; x < image->columns; x++) { pixel=XGetPixel(ximage,x,y); index=pixel; if ((index == q->index) && ((int) q->length < MaxRunlength)) q->length++; else { if (image->packets != 0) q++; image->packets++; if (image->packets == packets) { packets<<=1; image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,packets*sizeof(RunlengthPacket)); if (image->pixels == (RunlengthPacket *) NULL) PrematureExit("Unable to allocate memory",image); q=image->pixels+image->packets-1; } q->index=index; q->length=0; } } SyncImage(image); CompressColormap(image); break; } } image->pixels=(RunlengthPacket *) realloc((char *) image->pixels,image->packets*sizeof(RunlengthPacket)); /* Free image and colormap. */ if (header.ncolors != 0) free((char *) colors); free(ximage->data); free(ximage); CloseImage(image); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d Y U V I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadYUVImage reads an image with digital YUV (CCIR 601 4:1:1) bytes % and returns it. It allocates the memory necessary for the new Image % structure and returns a pointer to the new image. % % The format of the ReadYUVImage routine is: % % image=ReadYUVImage(image_info) % % A description of each parameter follows: % % o image: Function ReadYUVImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadYUVImage(image_info) ImageInfo *image_info; { Image *image, *zoomed_image; int x, y; register int i; register RunlengthPacket *q; register unsigned char *p; unsigned char *yuv_pixels; unsigned int height, width; /* Allocate image structure. */ zoomed_image=AllocateImage(image_info); if (zoomed_image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ (void) strcpy(zoomed_image->filename,image_info->filename); OpenImage(zoomed_image,"rb"); if (zoomed_image->file == (FILE *) NULL) PrematureExit("Unable to open file",zoomed_image) /* Determine width and height, e.g. 640x512. */ width=512; height=512; x=0; if (image_info->size != (char *) NULL) (void) XParseGeometry(image_info->size,&x,&y,&width,&height); for (i=0; i < x; i++) (void) fgetc(zoomed_image->file); /* Read Y channel. */ zoomed_image->columns=width >> 1; zoomed_image->rows=height >> 1; zoomed_image->packets=zoomed_image->columns*zoomed_image->rows; yuv_pixels=(unsigned char *) malloc((3*(width*height)/2)*sizeof(unsigned char)); zoomed_image->pixels=(RunlengthPacket *) malloc(zoomed_image->packets*sizeof(RunlengthPacket)); if ((yuv_pixels == (unsigned char *) NULL) || (zoomed_image->pixels == (RunlengthPacket *) NULL)) PrematureExit("Unable to allocate memory",zoomed_image); (void) ReadData((char *) yuv_pixels,1,3*(width*height)/2,zoomed_image->file); /* Initialize U channel. */ p=yuv_pixels+(width*height); q=zoomed_image->pixels; for (i=0; i < zoomed_image->packets; i++) { q->green=UpScale(*p); q->index=0; q->length=0; p++; q++; } /* Initialize V channel. */ q=zoomed_image->pixels; for (i=0; i < zoomed_image->packets; i++) { q->blue=UpScale(*p); p++; q++; } /* Scale image. */ zoomed_image->orphan=True; image=ZoomImage(zoomed_image); zoomed_image->orphan=False; CloseImage(zoomed_image); DestroyImage(zoomed_image); if (image == (Image *) NULL) PrematureExit("Unable to allocate memory",image); p=yuv_pixels; q=image->pixels; for (i=0; i < (image->columns*image->rows); i++) { q->red=UpScale(*p); p++; q++; } free((char *) yuv_pixels); TransformRGBImage(image,YCbCrColorspace); CompressImage(image); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d Y U V 3 I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadYUV3Image reads an image with digital YUV (CCIR 601 2:1:1) % bytes and returns it. It allocates the memory necessary for the new Image % structure and returns a pointer to the new image. This function differs % from ReadYUVImage in that it reads the Y, U, and V planes from separate % files (image.Y, image.U, and image.V). % % The format of the ReadYUV3Image routine is: % % image=ReadYUV3Image(image_info) % % A description of each parameter follows: % % o image: Function ReadYUV3Image returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ static Image *ReadYUV3Image(image_info) ImageInfo *image_info; { char filename[MaxTextLength]; Image *image, *zoomed_image; int x, y; register int i; register RunlengthPacket *q; register unsigned char *p; unsigned char *uv_pixels, *y_pixels; unsigned int height, width; /* Allocate image structure. */ zoomed_image=AllocateImage(image_info); if (zoomed_image == (Image *) NULL) return((Image *) NULL); /* Open image file. */ (void) strcpy(filename,image_info->filename); (void) strcpy(zoomed_image->filename,filename); if (strcmp(zoomed_image->filename,"-") != 0) (void) strcat(zoomed_image->filename,".Y"); OpenImage(zoomed_image,"rb"); if (zoomed_image->file == (FILE *) NULL) PrematureExit("Unable to open file",zoomed_image) /* Determine width and height, e.g. 640x512. */ width=512; height=512; x=0; if (image_info->size != (char *) NULL) (void) XParseGeometry(image_info->size,&x,&y,&width,&height); for (i=0; i < x; i++) (void) fgetc(zoomed_image->file); /* Read Y channel. */ zoomed_image->columns=width >> 1; zoomed_image->rows=height >> 1; zoomed_image->packets=zoomed_image->columns*zoomed_image->rows; uv_pixels=(unsigned char *) malloc(zoomed_image->packets*sizeof(unsigned char)); y_pixels=(unsigned char *) malloc(4*zoomed_image->packets*sizeof(unsigned char)); zoomed_image->pixels=(RunlengthPacket *) malloc(zoomed_image->packets*sizeof(RunlengthPacket)); if ((uv_pixels == (unsigned char *) NULL) || (y_pixels == (unsigned char *) NULL) || (zoomed_image->pixels == (RunlengthPacket *) NULL)) PrematureExit("Unable to allocate memory",zoomed_image); (void) ReadData((char *) y_pixels,4,zoomed_image->packets,zoomed_image->file); CloseImage(zoomed_image); /* Read U channel. */ (void) strcpy(zoomed_image->filename,filename); if (strcmp(zoomed_image->filename,"-") != 0) (void) strcat(zoomed_image->filename,".U"); OpenImage(zoomed_image,"rb"); if (zoomed_image->file == (FILE *) NULL) PrematureExit("Unable to open file",zoomed_image) (void) ReadData((char *) uv_pixels,1,zoomed_image->packets, zoomed_image->file); p=uv_pixels; q=zoomed_image->pixels; for (i=0; i < zoomed_image->packets; i++) { q->green=UpScale(*p); q->index=0; q->length=0; p++; q++; } CloseImage(zoomed_image); /* Read V channel. */ (void) strcpy(zoomed_image->filename,filename); if (strcmp(zoomed_image->filename,"-") != 0) (void) strcat(zoomed_image->filename,".V"); OpenImage(zoomed_image,"rb"); if (zoomed_image->file == (FILE *) NULL) PrematureExit("Unable to open file",zoomed_image) (void) ReadData((char *) uv_pixels,1,zoomed_image->packets, zoomed_image->file); p=uv_pixels; q=zoomed_image->pixels; for (i=0; i < zoomed_image->packets; i++) { q->blue=UpScale(*p); p++; q++; } CloseImage(zoomed_image); free((char *) uv_pixels); /* Scale image. */ zoomed_image->orphan=True; image=ZoomImage(zoomed_image); zoomed_image->orphan=False; CloseImage(zoomed_image); DestroyImage(zoomed_image); if (image == (Image *) NULL) PrematureExit("Unable to allocate memory",image); p=y_pixels; q=image->pixels; for (i=0; i < (image->columns*image->rows); i++) { q->red=UpScale(*p); p++; q++; } free((char *) y_pixels); TransformRGBImage(image,YCbCrColorspace); (void) strcpy(image->filename,filename); CompressImage(image); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadImage reads an image and returns it. It allocates % the memory necessary for the new Image structure and returns a pointer to % the new image. By default, the image format is determined by its magic % number. To specify a particular image format, precede the filename with an % explicit image format name and a colon (i.e. ps:image) or as the filename % suffix (i.e. image.ps). % % The format of the ReadImage routine is: % % image=ReadImage(image_info) % % A description of each parameter follows: % % o image: Function ReadImage returns a pointer to the image after % reading. A null image is returned if there is a a memory shortage or % if the image cannot be read. % % o image_info: Specifies a pointer to an ImageInfo structure. % % */ Image *ReadImage(image_info) ImageInfo *image_info; { char magic_number[MaxTextLength]; Image decode_image, *image; ImageInfo decode_info; register char *p; register int i; SetImageMagick(image_info); decode_info=(*image_info); decode_image.temporary=strcmp(decode_info.magick,"TMP") == 0; if ((strncmp(decode_info.magick,"FTP",3) == 0) || (strncmp(decode_info.magick,"HTTP",4) == 0) || (strncmp(decode_info.magick,"GOPHER",6) == 0)) { char command[MaxTextLength], filename[MaxTextLength]; /* Retrieve image as specified with a WWW uniform resource locator. */ decode_image.temporary=True; TemporaryFilename(filename); (void) sprintf(command,WWWCommand,decode_info.magick,decode_info.filename, filename); (void) SystemCommand(command); SetImageMagick(&decode_info); (void) strcpy(decode_info.filename,filename); } if (!decode_info.assert || (strncmp(decode_info.magick,"SGI",3) == 0) || (strncmp(decode_info.magick,"PCD",3) == 0)) { /* Determine type from image magic number. */ for (i=0 ; i < sizeof(magic_number); i++) magic_number[i]='\0'; (void) strcpy(decode_image.filename,decode_info.filename); OpenImage(&decode_image,"rb"); if (decode_image.file != (FILE *) NULL) if ((decode_image.file == stdin) || decode_image.pipe) { FILE *file; int c; /* Copy standard input or pipe to temporary file. */ decode_image.temporary=True; TemporaryFilename(decode_image.filename); decode_info.filename=decode_image.filename; file=fopen(decode_image.filename,"wb"); if (file == (FILE *) NULL) { Warning("Unable to write file",decode_info.filename); return((Image *) NULL); } c=fgetc(decode_image.file); while (c != EOF) { (void) putc(c,file); c=fgetc(decode_image.file); } (void) fclose(file); CloseImage(&decode_image); OpenImage(&decode_image,"rb"); } if (decode_image.file != (FILE *) NULL) { /* Read magic number. */ (void) ReadData(magic_number,(unsigned int) sizeof(char), (unsigned int) sizeof(magic_number),decode_image.file); if (((unsigned char) magic_number[0] == 0xff) && ((unsigned char) magic_number[1] == 0xff)) { register int i; /* For PCD image type, skip to byte 2048. */ for (i=0; i < (int) (0x800-sizeof(magic_number)); i++) (void) fgetc(decode_image.file); (void) ReadData(magic_number,(unsigned int) sizeof(char), (unsigned int) sizeof(magic_number),decode_image.file); } CloseImage(&decode_image); } /* Determine the image format. */ magic_number[MaxTextLength-1]='\0'; if (strncmp(magic_number,"BM",2) == 0) (void) strcpy(decode_info.magick,"BMP"); if (strncmp(magic_number,"IT0",3) == 0) (void) strcpy(decode_info.magick,"FITS"); if (strncmp(magic_number,"GIF8",4) == 0) (void) strcpy(decode_info.magick,"GIF"); if (strncmp(magic_number,"\016\003\023\001",4) == 0) (void) strcpy(decode_info.magick,"HDF"); if (strncmp(magic_number,"\001\332",2) == 0) (void) strcpy(decode_info.magick,"SGI"); if (strncmp(magic_number,"\377\330\377\340",4) == 0) (void) strcpy(decode_info.magick,"JPEG"); if (strncmp(magic_number,"id=ImageMagick",14) == 0) (void) strcpy(decode_info.magick,"MIFF"); if (strncmp(magic_number,"PCD_",4) == 0) (void) strcpy(decode_info.magick,"PCD"); if ((unsigned char) *magic_number == 0x0a) (void) strcpy(decode_info.magick,"PCX"); if (strncmp(magic_number,"%!PDF",5) == 0) (void) strcpy(decode_info.magick,"PDF"); if ((*magic_number == 'P') && isdigit(magic_number[1])) (void) strcpy(decode_info.magick,"PNM"); if (strncmp(magic_number,"\211PNG\r\n\032\n",8) == 0) (void) strcpy(decode_info.magick,"PNG"); if (strncmp(magic_number,"%!",2) == 0) (void) strcpy(decode_info.magick,"PS"); if (strncmp(magic_number,"#?RADIANCE",10) == 0) (void) strcpy(decode_info.magick,"RAD"); if (strncmp(magic_number,"\122\314",2) == 0) (void) strcpy(decode_info.magick,"RLE"); if (strncmp(magic_number,"\131\246\152\225",4) == 0) (void) strcpy(decode_info.magick,"SUN"); if ((strncmp(magic_number,"\115\115\000\052",4) == 0) || (strncmp(magic_number,"\111\111\052\000",4) == 0)) (void) strcpy(decode_info.magick,"TIFF"); if ((strncmp(magic_number,"LBLSIZE",7) == 0) || (strncmp(magic_number,"NJPL1I",6) == 0)) (void) strcpy(decode_info.magick,"VICAR"); if ((unsigned char) *magic_number == 0xab) (void) strcpy(decode_info.magick,"VIFF"); p=strchr(magic_number,'#'); if (p != (char *) NULL) if (strncmp(p,"#define",7) == 0) (void) strcpy(decode_info.magick,"XBM"); if (strncmp(magic_number,"/* XPM */",9) == 0) (void) strcpy(decode_info.magick,"XPM"); if ((magic_number[1] == 0x00) && (magic_number[2] == 0x00)) if ((magic_number[5] == 0x00) && (magic_number[6] == 0x00)) if ((magic_number[4] == 0x07) || (magic_number[7] == 0x07)) (void) strcpy(decode_info.magick,"XWD"); } /* Call appropriate image reader based on image type. */ switch (*decode_info.magick) { case 'A': { image=ReadAVSImage(&decode_info); break; } case 'B': { if (strcmp(decode_info.magick,"BIE") == 0) image=ReadJBIGImage(&decode_info); else image=ReadBMPImage(&decode_info); break; } case 'C': { image=ReadCMYKImage(&decode_info); break; } case 'E': { image=ReadPSImage(&decode_info); break; } case 'F': { if (strcmp(decode_info.magick,"FAX") == 0) image=ReadFAXImage(&decode_info); else image=ReadFITSImage(&decode_info); break; } case 'G': { if (strcmp(decode_info.magick,"GIF") == 0) image=ReadGIFImage(&decode_info); else if (strcmp(decode_info.magick,"GIF87") == 0) image=ReadGIFImage(&decode_info); else if (strcmp(decode_info.magick,"GRAY") == 0) image=ReadGRAYImage(&decode_info); else image=ReadFAXImage(&decode_info); break; } case 'H': { if (strcmp(decode_info.magick,"HDF") == 0) image=ReadHDFImage(&decode_info); else if (strcmp(decode_info.magick,"HISTOGRAM") == 0) image=ReadHISTOGRAMImage(&decode_info); else image=ReadHTMLImage(&decode_info); break; } case 'J': { if (strcmp(decode_info.magick,"JBIG") == 0) image=ReadJBIGImage(&decode_info); else image=ReadJPEGImage(&decode_info); break; } case 'L': { image=ReadLOGOImage(&decode_info); break; } case 'M': { if (strcmp(decode_info.magick,"MAP") == 0) image=ReadMAPImage(&decode_info); else if (strcmp(decode_info.magick,"MATTE") == 0) image=ReadMATTEImage(&decode_info); else if (strcmp(decode_info.magick,"MIFF") == 0) image=ReadMIFFImage(&decode_info); else if ((strcmp(decode_info.magick,"MPEG") == 0) || (strcmp(decode_info.magick,"MPG") == 0)) image=ReadMPEGImage(&decode_info); else image=ReadMTVImage(&decode_info); break; } case 'N': { image=ReadNULLImage(&decode_info); break; } case 'P': { if (strcmp(decode_info.magick,"PCD") == 0) image=ReadPCDImage(&decode_info); else if (strcmp(decode_info.magick,"PCX") == 0) image=ReadPCXImage(&decode_info); else if (strcmp(decode_info.magick,"PDF") == 0) image=ReadPDFImage(&decode_info); else if (strcmp(decode_info.magick,"PICT") == 0) image=ReadPICTImage(&decode_info); else if (strcmp(decode_info.magick,"PM") == 0) image=ReadXPMImage(&decode_info); else if (strcmp(decode_info.magick,"PNG") == 0) image=ReadPNGImage(&decode_info); else if ((strcmp(decode_info.magick,"PS") == 0) || (strcmp(decode_info.magick,"PS2") == 0)) image=ReadPSImage(&decode_info); else image=ReadPNMImage(&decode_info); break; } case 'R': { if (strcmp(decode_info.magick,"RAD") == 0) image=ReadRADIANCEImage(&decode_info); else if (strcmp(decode_info.magick,"RAS") == 0) image=ReadSUNImage(&decode_info); else if ((strcmp(decode_info.magick,"RGB") == 0) || (strcmp(decode_info.magick,"RGBA") == 0)) image=ReadRGBImage(&decode_info); else image=ReadRLEImage(&decode_info); break; } case 'S': { if (strcmp(decode_info.magick,"SGI") == 0) image=ReadSGIImage(&decode_info); else image=ReadSUNImage(&decode_info); break; } case 'T': { if (strcmp(decode_info.magick,"TEXT") == 0) image=ReadTEXTImage(&decode_info); else if (strcmp(decode_info.magick,"TGA") == 0) image=ReadTARGAImage(&decode_info); else if ((strcmp(decode_info.magick,"TIF") == 0) || (strcmp(decode_info.magick,"TIFF") == 0)) image=ReadTIFFImage(&decode_info); else image=ReadTILEImage(&decode_info); break; } case 'V': { if (strcmp(decode_info.magick,"VICAR") == 0) image=ReadVICARImage(&decode_info); else if (strcmp(decode_info.magick,"VID") == 0) { if (decode_info.assert) image=ReadVIDImage(&decode_info); else image=ReadMIFFImage(&decode_info); } else image=ReadVIFFImage(&decode_info); break; } case 'X': { if (strcmp(decode_info.magick,"X") == 0) image=ReadXImage(&decode_info,False,False,False,False); else if (strcmp(decode_info.magick,"XC") == 0) image=ReadXCImage(&decode_info); else if (strcmp(decode_info.magick,"XBM") == 0) image=ReadXBMImage(&decode_info); else if (strcmp(decode_info.magick,"XPM") == 0) image=ReadXPMImage(&decode_info); else if (strcmp(decode_info.magick,"XV") == 0) image=ReadVIFFImage(&decode_info); else image=ReadXWDImage(&decode_info); break; } case 'Y': { if (strcmp(decode_info.magick,"YUV") == 0) image=ReadYUVImage(&decode_info); else image=ReadYUV3Image(&decode_info); break; } default: { (void) strcpy(decode_info.magick,"MIFF"); image=ReadMIFFImage(&decode_info); } } if (decode_image.temporary) (void) unlink(decode_info.filename); if (image != (Image *) NULL) { if (image->status) Warning("An error has occurred reading from file",image->filename); if (decode_image.temporary) (void) strcpy(image->filename,image_info->filename); if (image->comments == (char *) NULL) CommentImage(image," Imported from %m image: %f"); (void) strcpy(image->magick_filename,image_info->filename); if (image->magick_columns == 0) image->magick_columns=image->columns; if (image->magick_rows == 0) image->magick_rows=image->rows; image_info->interlace=decode_info.interlace; } return(image); } void) fclose(file); CloseImage(&decode_image); OpenImage(&decode_image,"rb"); } if (decode_image.file != (FILE *) NULL) { /* Read magic number../ImageMagick/magick/utility.c010064400000240000024000001740440602166445500174130ustar00cristycristy00002330000007/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % U U TTTTT IIIII L IIIII TTTTT Y Y % % U U T I L I T Y Y % % U U T I L I T Y % % U U T I L I T Y % % UUU T IIIII LLLLL IIIII T Y % % % % % % ImageMagick Utility Routines % % % % % % % % Software Design % % John Cristy % % January 1993 % % % % % % Copyright 1995 E. I. du Pont de Nemours and Company % % % % Permission to use, copy, modify, distribute, and sell this software and % % its documentation for any purpose is hereby granted without fee, % % provided that the above Copyright notice appear in all copies and that % % both that Copyright notice and this permission notice appear in % % supporting documentation, and that the name of E. I. du Pont de Nemours % % and Company not be used in advertising or publicity pertaining to % % distribution of the software without specific, written prior % % permission. E. I. du Pont de Nemours and Company makes no representations % % about the suitability of this software for any purpose. It is provided % % "as is" without express or implied warranty. % % % % E. I. du Pont de Nemours and Company disclaims all warranties with regard % % to this software, including all implied warranties of merchantability % % and fitness, in no event shall E. I. du Pont de Nemours and Company be % % liable for any special, indirect or consequential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, negligence or other tortuous action, arising % % out of or in connection with the use or performance of this software. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ /* Include declarations. */ #include "magick.h" #include "image.h" #include "utility.h" #include "X.h" /* Forward declarations. */ static int ColorCompare _Declare((const void *,const void *)), FileCompare _Declare((const void *,const void *)); /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % A p p e n d I m a g e F o r m a t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function AppendImageFormat appends the image format type to the filename. % If an extension to the file alread exists, it is first removed. % % The format of the AppendImageFormat routine is: % % AppendImageFormat(format,filename) % % A description of each parameter follows. % % o format: Specifies a pointer to an array of characters. This is the % format of the image. % % o filename: Specifies a pointer to an array of characters. The unique % file name is returned in this array. % % */ void AppendImageFormat(format,filename) char *format, *filename; { char staging[MaxTextLength]; register char *p; if ((format == (char *) NULL) || (*format == '\0')) return; if ((filename == (char *) NULL) || (*filename == '\0')) return; p=filename+strlen(filename)-1; while ((p > filename) && (*(p-1) != '.')) p--; if ((p > filename) && (*(p-1) == '.')) (void) strcpy(p,format); else { (void) sprintf(staging,"%s:%s",format,filename); (void) strcpy(filename,staging); } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C l i e n t N a m e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ClientName removes the path name component and any extensions. % % The format of the ClientName function is: % % ClientName(filename) % % A description of each parameter follows: % % o filename: Specifies a pointer to an character array that contains the % filename. % % */ char *ClientName(filename) char *filename; { register char *p; static char client_name[MaxTextLength]; if (filename == (char *) NULL) return((char *) NULL); /* Get basename of client. */ (void) strcpy(client_name,filename); p=client_name+(strlen(client_name)-1); while (p > client_name) { if (*p == *BasenameSeparator) { (void) strcpy(client_name,p+1); break; } p--; } /* Delete any extension. */ p=client_name+(strlen(client_name)-1); while (p > client_name) { if (*p == '.') { *p='\0'; break; } p--; } return(client_name); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % E x p a n d F i l e n a m e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ExpandFilename expands '~' in a filename. % % The format of the ExpandFilename function is: % % ExpandFilename(filename) % % A description of each parameter follows: % % o filename: Specifies a pointer to an character array that contains the % filename. % % */ void ExpandFilename(filename) char *filename; { #ifndef vms char expanded_filename[MaxTextLength]; register char *p; if (filename == (char *) NULL) return; if (*filename != '~') return; if (*(filename+1) == '/') { /* Substitute ~ with $HOME. */ p=(char *) getenv("HOME"); if (p == (char *) NULL) p="."; (void) strcpy(expanded_filename,p); (void) strcat(expanded_filename,filename+1); } else { char username[MaxTextLength]; struct passwd *entry; /* Substitute ~ with home directory from password file. */ (void) strcpy(username,filename+1); p=strchr(username,'/'); if (p != (char *) NULL) *p='\0'; entry=getpwnam(username); if (entry == (struct passwd *) NULL) return; (void) strcpy(expanded_filename,entry->pw_dir); if (p != (char *) NULL) { (void) strcat(expanded_filename,"/"); (void) strcat(expanded_filename,p+1); } } (void) strcpy(filename,expanded_filename); #endif } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % E x p a n d F i l e n a m e s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ExpandFilenames checks each argument of the command line vector and % expands it if they have a wildcard character. For example, *.jpg might % expand to: bird.jpg rose.jpg tiki.jpg. % % The format of the ExpandFilenames function is: % % ExpandFilenames(argc,argv) % % A description of each parameter follows: % % o argc: Specifies a pointer to an integer describing the number of % elements in the argument vector. % % o argv: Specifies a pointer to a text array containing the command line % arguments. % % */ void ExpandFilenames(argc,argv) int *argc; char ***argv; { char **filelist, home_directory[MaxTextLength], *option, **vector, working_directory[MaxTextLength]; int count, expanded, number_files; ImageInfo image_info; register char *p, *q; register int i, j; struct stat file_info; /* Allocate argument vector. */ vector=(char **) malloc((*argc+1)*sizeof(char *)); if (vector == (char **) NULL) { Warning("Unable to expand filenames",(char *) NULL); return; } /* Expand any wildcard filenames. */ (void) getcwd(home_directory,MaxTextLength-1); GetImageInfo(&image_info); expanded=False; count=0; for (i=0; i < *argc; i++) { option=(*argv)[i]; vector[count++]=option; if (((int) strlen(option) > 1) && ((*option == '-') || (*option == '+'))) continue; (void) strcpy(image_info.filename,option); SetImageMagick(&image_info); if ((*option == '"') || (*option == '\'')) continue; if (!IsGlob(option)) { /* Silently skip directories. */ (void) stat(option,&file_info); if (S_ISDIR(file_info.st_mode)) count--; continue; } if (strcmp(image_info.magick,"VID") == 0) continue; if (image_info.subimage != 0) continue; /* Get the list of image file names. */ (void) getcwd(working_directory,MaxTextLength-1); for (p=option+strlen(option)-1; p > option; p--) if (*p == *BasenameSeparator) { /* Filename includes a directory name. */ q=working_directory; for (j=0; j < (p-option+1); j++) *q++=option[j]; *q='\0'; p++; break; } filelist=ListFiles(working_directory,p,&number_files); if (filelist == (char **) NULL) continue; for (j=0; j < number_files; j++) { (void) stat(filelist[j],&file_info); if (!S_ISDIR(file_info.st_mode)) break; } if (j == number_files) { for (j=0; j < number_files; j++) free((char *) filelist[j]); free((char *) filelist); continue; } /* Transfer file list to argument vector. */ vector=(char **) realloc(vector,(*argc+count+number_files)*sizeof(char *)); if (vector == (char **) NULL) { Warning("Unable to expand filenames",(char *) NULL); return; } count--; for (j=0; j < number_files; j++) { (void) stat(filelist[j],&file_info); if (S_ISDIR(file_info.st_mode)) { free((char *) filelist[j]); continue; } expanded=True; vector[count]=(char *) malloc(((p-option)+strlen(filelist[j])+MaxTextLength+1)*sizeof(char)); if (vector[count] == (char *) NULL) { Warning("Unable to expand filenames",(char *) NULL); for ( ; j < number_files; j++) free((char *) filelist[j]); free((char *) filelist); return; } (void) sprintf(vector[count],"%.*s%s",p-option,option,filelist[j]); free((char *) filelist[j]); count++; } free((char *) filelist); } free((char *) image_info.filename); (void) chdir(home_directory); if (!expanded) { free((char *) vector); return; } *argc=count; *argv=vector; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % G l o b E x p r e s s i o n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function GlobExpression returns True if the expression matches the pattern. % % The format of the GlobExpression function is: % % GlobExpression(expression,pattern) % % A description of each parameter follows: % % o expression: Specifies a pointer to a text string containing a file name. % % o pattern: Specifies a pointer to a text string containing a pattern. % % */ int GlobExpression(expression,pattern) char *expression, *pattern; { int done; if (pattern == (char *) NULL) return(True); if (strlen(pattern) == 0) return(True); if (strcmp(pattern,"*") == 0) return(True); done=False; while ((*pattern != '\0') && !done) { if (*expression == '\0') if ((*pattern != '{') && (*pattern != '*')) break; switch (*pattern) { case '\\': { pattern++; if (*pattern != '\0') pattern++; break; } case '*': { int status; pattern++; status=False; while ((*expression != '\0') && !status) status=GlobExpression((char *) expression++,pattern); if (status) { while (*expression != '\0') expression++; while (*pattern != '\0') pattern++; } break; } case '[': { char c; pattern++; for ( ; ; ) { if ((*pattern == '\0') || (*pattern == ']')) { done=True; break; } if (*pattern == '\\') { pattern++; if (*pattern == '\0') { done=True; break; } } if (*(pattern+1) == '-') { c=(*pattern); pattern+=2; if (*pattern == ']') { done=True; break; } if (*pattern == '\\') { pattern++; if (*pattern == '\0') { done=True; break; } } if ((*expression < c) || (*expression > *pattern)) { pattern++; continue; } } else if (*pattern != *expression) { pattern++; continue; } pattern++; while ((*pattern != ']') && (*pattern != '\0')) { if ((*pattern == '\\') && (*(pattern+1) != '\0')) pattern++; pattern++; } if (*pattern != '\0') { pattern++; expression++; } break; } break; } case '?': { pattern++; expression++; break; } case '{': { int match; register char *p; pattern++; while ((*pattern != '}') && (*pattern != '\0')) { p=expression; match=True; while ((*p != '\0') && (*pattern != '\0') && (*pattern != ',') && (*pattern != '}') && match) { if (*pattern == '\\') pattern++; match=(*pattern == *p); p++; pattern++; } if (*pattern == '\0') { match=False; done=True; break; } else if (match) { expression=p; while ((*pattern != '}') && (*pattern != '\0')) { pattern++; if (*pattern == '\\') { pattern++; if (*pattern == '}') pattern++; } } } else { while ((*pattern != '}') && (*pattern != ',') && (*pattern != '\0')) { pattern++; if (*pattern == '\\') { pattern++; if ((*pattern == '}') || (*pattern == ',')) pattern++; } } } if (*pattern != '\0') pattern++; } break; } default: { if (*expression != *pattern) done=True; else { expression++; pattern++; } } } } while (*pattern == '*') pattern++; return((*expression == '\0') && (*pattern == '\0')); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % L i s t C o l o r s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ListColors reads the X client color database and returns a list % of colors contained in the database sorted in ascending alphabetic order. % % The format of the ListColors function is: % % filelist=ListColors(pattern,number_colors) % % A description of each parameter follows: % % o filelist: Function ListColors returns a list of colors contained % in the database. If the database cannot be read, a NULL list is % returned. % % o pattern: Specifies a pointer to a text string containing a pattern. % % o number_colors: This integer returns the number of colors in the list. % % */ static int ColorCompare(x,y) const void *x, *y; { register char **p, **q; p=(char **) x; q=(char **) y; return(strcmp(*p,*q)); } char **ListColors(pattern,number_colors) char *pattern; int *number_colors; { static char *ColornameDatabase[]= { "AliceBlue", "AntiqueWhite", "AntiqueWhite1", "AntiqueWhite2", "AntiqueWhite3", "AntiqueWhite4", "BlanchedAlmond", "BlueViolet", "CadetBlue", "CadetBlue1", "CadetBlue2", "CadetBlue3", "CadetBlue4", "CornflowerBlue", "DarkGoldenrod", "DarkGoldenrod1", "DarkGoldenrod2", "DarkGoldenrod3", "DarkGoldenrod4", "DarkGreen", "DarkKhaki", "DarkOliveGreen", "DarkOliveGreen1", "DarkOliveGreen2", "DarkOliveGreen3", "DarkOliveGreen4", "DarkOrange", "DarkOrange1", "DarkOrange2", "DarkOrange3", "DarkOrange4", "DarkOrchid", "DarkOrchid1", "DarkOrchid2", "DarkOrchid3", "DarkOrchid4", "DarkSalmon", "DarkSeaGreen", "DarkSeaGreen1", "DarkSeaGreen2", "DarkSeaGreen3", "DarkSeaGreen4", "DarkSlateBlue", "DarkSlateGray", "DarkSlateGray1", "DarkSlateGray2", "DarkSlateGray3", "DarkSlateGray4", "DarkSlateGrey", "DarkTurquoise", "DarkViolet", "DeepPink", "DeepPink1", "DeepPink2", "DeepPink3", "DeepPink4", "DeepSkyBlue", "DeepSkyBlue1", "DeepSkyBlue2", "DeepSkyBlue3", "DeepSkyBlue4", "DimGray", "DimGrey", "DodgerBlue", "DodgerBlue1", "DodgerBlue2", "DodgerBlue3", "DodgerBlue4", "FloralWhite", "ForestGreen", "GhostWhite", "GreenYellow", "HotPink", "HotPink1", "HotPink2", "HotPink3", "HotPink4", "IndianRed", "IndianRed1", "IndianRed2", "IndianRed3", "IndianRed4", "LavenderBlush", "LavenderBlush1", "LavenderBlush2", "LavenderBlush3", "LavenderBlush4", "LawnGreen", "LemonChiffon", "LemonChiffon1", "LemonChiffon2", "LemonChiffon3", "LemonChiffon4", "LightBlue", "LightBlue1", "LightBlue2", "LightBlue3", "LightBlue4", "LightCoral", "LightCyan", "LightCyan1", "LightCyan2", "LightCyan3", "LightCyan4", "LightGoldenrod", "LightGoldenrod1", "LightGoldenrod2", "LightGoldenrod3", "LightGoldenrod4", "LightGoldenrodYellow", "LightGray", "LightGrey", "LightPink", "LightPink1", "LightPink2", "LightPink3", "LightPink4", "LightSalmon", "LightSalmon1", "LightSalmon2", "LightSalmon3", "LightSalmon4", "LightSeaGreen", "LightSkyBlue", "LightSkyBlue1", "LightSkyBlue2", "LightSkyBlue3", "LightSkyBlue4", "LightSlateBlue", "LightSlateGray", "LightSlateGrey", "LightSteelBlue", "LightSteelBlue1", "LightSteelBlue2", "LightSteelBlue3", "LightSteelBlue4", "LightYellow", "LightYellow1", "LightYellow2", "LightYellow3", "LightYellow4", "LimeGreen", "MediumAquamarine", "MediumBlue", "MediumOrchid", "MediumOrchid1", "MediumOrchid2", "MediumOrchid3", "MediumOrchid4", "MediumPurple", "MediumPurple1", "MediumPurple2", "MediumPurple3", "MediumPurple4", "MediumSeaGreen", "MediumSlateBlue", "MediumSpringGreen", "MediumTurquoise", "MediumVioletRed", "MidnightBlue", "MintCream", "MistyRose", "MistyRose1", "MistyRose2", "MistyRose3", "MistyRose4", "NavajoWhite", "NavajoWhite1", "NavajoWhite2", "NavajoWhite3", "NavajoWhite4", "NavyBlue", "OldLace", "OliveDrab", "OliveDrab1", "OliveDrab2", "OliveDrab3", "OliveDrab4", "OrangeRed", "OrangeRed1", "OrangeRed2", "OrangeRed3", "OrangeRed4", "PaleGoldenrod", "PaleGreen", "PaleGreen1", "PaleGreen2", "PaleGreen3", "PaleGreen4", "PaleTurquoise", "PaleTurquoise1", "PaleTurquoise2", "PaleTurquoise3", "PaleTurquoise4", "PaleVioletRed", "PaleVioletRed1", "PaleVioletRed2", "PaleVioletRed3", "PaleVioletRed4", "PapayaWhip", "PeachPuff", "PeachPuff1", "PeachPuff2", "PeachPuff3", "PeachPuff4", "PowderBlue", "RosyBrown", "RosyBrown1", "RosyBrown2", "RosyBrown3", "RosyBrown4", "RoyalBlue", "RoyalBlue1", "RoyalBlue2", "RoyalBlue3", "RoyalBlue4", "SaddleBrown", "SandyBrown", "SeaGreen", "SeaGreen1", "SeaGreen2", "SeaGreen3", "SeaGreen4", "SkyBlue", "SkyBlue1", "SkyBlue2", "SkyBlue3", "SkyBlue4", "SlateBlue", "SlateBlue1", "SlateBlue2", "SlateBlue3", "SlateBlue4", "SlateGray", "SlateGray1", "SlateGray2", "SlateGray3", "SlateGray4", "SlateGrey", "SpringGreen", "SpringGreen1", "SpringGreen2", "SpringGreen3", "SpringGreen4", "SteelBlue", "SteelBlue1", "SteelBlue2", "SteelBlue3", "SteelBlue4", "VioletRed", "VioletRed1", "VioletRed2", "VioletRed3", "VioletRed4", "WhiteSmoke", "YellowGreen", "alice blue", "antique white", "aquamarine", "aquamarine1", "aquamarine2", "aquamarine3", "aquamarine4", "azure", "azure1", "azure2", "azure3", "azure4", "beige", "bisque", "bisque1", "bisque2", "bisque3", "bisque4", "black", "blanched almond", "blue violet", "blue", "blue1", "blue2", "blue3", "blue4", "brown", "brown1", "brown2", "brown3", "brown4", "burlywood", "burlywood1", "burlywood2", "burlywood3", "burlywood4", "cadet blue", "chartreuse", "chartreuse1", "chartreuse2", "chartreuse3", "chartreuse4", "chocolate", "chocolate1", "chocolate2", "chocolate3", "chocolate4", "coral", "coral1", "coral2", "coral3", "coral4", "cornflower blue", "cornsilk", "cornsilk1", "cornsilk2", "cornsilk3", "cornsilk4", "cyan", "cyan1", "cyan2", "cyan3", "cyan4", "dark goldenrod", "dark green", "dark khaki", "dark olive green", "dark orange", "dark orchid", "dark salmon", "dark sea green", "dark slate blue", "dark slate gray", "dark slate grey", "dark turquoise", "dark violet", "deep pink", "deep sky blue", "dim gray", "dim grey", "dodger blue", "firebrick", "firebrick1", "firebrick2", "firebrick3", "firebrick4", "floral white", "forest green", "gainsboro", "ghost white", "gold", "gold1", "gold2", "gold3", "gold4", "goldenrod", "goldenrod1", "goldenrod2", "goldenrod3", "goldenrod4", "gray", "gray0", "gray1", "gray10", "gray100", "gray11", "gray12", "gray13", "gray14", "gray15", "gray16", "gray17", "gray18", "gray19", "gray2", "gray20", "gray21", "gray22", "gray23", "gray24", "gray25", "gray26", "gray27", "gray28", "gray29", "gray3", "gray30", "gray31", "gray32", "gray33", "gray34", "gray35", "gray36", "gray37", "gray38", "gray39", "gray4", "gray40", "gray41", "gray42", "gray43", "gray44", "gray45", "gray46", "gray47", "gray48", "gray49", "gray5", "gray50", "gray51", "gray52", "gray53", "gray54", "gray55", "gray56", "gray57", "gray58", "gray59", "gray6", "gray60", "gray61", "gray62", "gray63", "gray64", "gray65", "gray66", "gray67", "gray68", "gray69", "gray7", "gray70", "gray71", "gray72", "gray73", "gray74", "gray75", "gray76", "gray77", "gray78", "gray79", "gray8", "gray80", "gray81", "gray82", "gray83", "gray84", "gray85", "gray86", "gray87", "gray88", "gray89", "gray9", "gray90", "gray91", "gray92", "gray93", "gray94", "gray95", "gray96", "gray97", "gray98", "gray99", "green yellow", "green", "green1", "green2", "green3", "green4", "grey", "grey0", "grey1", "grey10", "grey100", "grey11", "grey12", "grey13", "grey14", "grey15", "grey16", "grey17", "grey18", "grey19", "grey2", "grey20", "grey21", "grey22", "grey23", "grey24", "grey25", "grey26", "grey27", "grey28", "grey29", "grey3", "grey30", "grey31", "grey32", "grey33", "grey34", "grey35", "grey36", "grey37", "grey38", "grey39", "grey4", "grey40", "grey41", "grey42", "grey43", "grey44", "grey45", "grey46", "grey47", "grey48", "grey49", "grey5", "grey50", "grey51", "grey52", "grey53", "grey54", "grey55", "grey56", "grey57", "grey58", "grey59", "grey6", "grey60", "grey61", "grey62", "grey63", "grey64", "grey65", "grey66", "grey67", "grey68", "grey69", "grey7", "grey70", "grey71", "grey72", "grey73", "grey74", "grey75", "grey76", "grey77", "grey78", "grey79", "grey8", "grey80", "grey81", "grey82", "grey83", "grey84", "grey85", "grey86", "grey87", "grey88", "grey89", "grey9", "grey90", "grey91", "grey92", "grey93", "grey94", "grey95", "grey96", "grey97", "grey98", "grey99", "honeydew", "honeydew1", "honeydew2", "honeydew3", "honeydew4", "hot pink", "indian red", "ivory", "ivory1", "ivory2", "ivory3", "ivory4", "khaki", "khaki1", "khaki2", "khaki3", "khaki4", "lavender blush", "lavender", "lawn green", "lemon chiffon", "light blue", "light coral", "light cyan", "light goldenrod yellow", "light goldenrod", "light gray", "light grey", "light pink", "light salmon", "light sea green", "light sky blue", "light slate blue", "light slate gray", "light slate grey", "light steel blue", "light yellow", "lime green", "linen", "magenta", "magenta1", "magenta2", "magenta3", "magenta4", "maroon", "maroon1", "maroon2", "maroon3", "maroon4", "medium aquamarine", "medium blue", "medium orchid", "medium purple", "medium sea green", "medium slate blue", "medium spring green", "medium turquoise", "medium violet red", "midnight blue", "mint cream", "misty rose", "moccasin", "navajo white", "navy blue", "navy", "old lace", "olive drab", "orange red", "orange", "orange1", "orange2", "orange3", "orange4", "orchid", "orchid1", "orchid2", "orchid3", "orchid4", "pale goldenrod", "pale green", "pale turquoise", "pale violet red", "papaya whip", "peach puff", "peru", "pink", "pink1", "pink2", "pink3", "pink4", "plum", "plum1", "plum2", "plum3", "plum4", "powder blue", "purple", "purple1", "purple2", "purple3", "purple4", "red", "red1", "red2", "red3", "red4", "rosy brown", "royal blue", "saddle brown", "salmon", "salmon1", "salmon2", "salmon3", "salmon4", "sandy brown", "sea green", "seashell", "seashell1", "seashell2", "seashell3", "seashell4", "sienna", "sienna1", "sienna2", "sienna3", "sienna4", "sky blue", "slate blue", "slate gray", "slate grey", "snow", "snow1", "snow2", "snow3", "snow4", "spring green", "steel blue", "tan", "tan1", "tan2", "tan3", "tan4", "thistle", "thistle1", "thistle2", "thistle3", "thistle4", "tomato", "tomato1", "tomato2", "tomato3", "tomato4", "turquoise", "turquoise1", "turquoise2", "turquoise3", "turquoise4", "violet red", "violet", "wheat", "wheat1", "wheat2", "wheat3", "wheat4", "white smoke", "white", "yellow green", "yellow", "yellow1", "yellow2", "yellow3", "yellow4", (char *) NULL, }; char color[MaxTextLength], **colorlist, text[MaxTextLength]; FILE *database; int blue, count, green, red; register char **p; unsigned int max_colors; /* Allocate color list. */ max_colors=0; for (p=ColornameDatabase; *p != (char *) NULL; p++) max_colors++; colorlist=(char **) malloc(max_colors*sizeof(char *)); if (colorlist == (char **) NULL) { Warning("Unable to read color name database","Memory allocation failed"); return((char **) NULL); } /* Open database. */ *number_colors=0; database=fopen(RGBColorDatabase,"r"); if (database == (FILE *) NULL) { /* Can't find server color database-- use our color list. */ for (p=ColornameDatabase; *p != (char *) NULL; p++) if (GlobExpression(*p,pattern)) { colorlist[*number_colors]=(char *) malloc(strlen(*p)+1); if (colorlist[*number_colors] == (char *) NULL) break; (void) strcpy(colorlist[*number_colors],*p); (*number_colors)++; } return(colorlist); } while (fgets(text,MaxTextLength-1,database) != (char *) NULL) { count=sscanf(text,"%d %d %d %[^\n]\n",&red,&green,&blue,color); if (count != 4) continue; if (GlobExpression(color,pattern)) { if (*number_colors >= max_colors) { max_colors<<=1; colorlist=(char **) realloc((char **) colorlist,max_colors*sizeof(char *)); if (colorlist == (char **) NULL) { Warning("Unable to read color name database", "Memory allocation failed"); (void) fclose(database); return((char **) NULL); } } colorlist[*number_colors]=(char *) malloc(strlen(color)+1); if (colorlist[*number_colors] == (char *) NULL) break; (void) strcpy(colorlist[*number_colors],color); (*number_colors)++; } } (void) fclose(database); /* Sort colorlist in ascending order. */ qsort((void *) colorlist,*number_colors,sizeof(char **), (int (*) _Declare((const void *, const void *))) ColorCompare); return(colorlist); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % L i s t F i l e s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ListFiles reads the directory specified and returns a list % of filenames contained in the directory sorted in ascending alphabetic % order. % % The format of the ListFiles function is: % % filelist=ListFiles(directory,pattern,number_entries) % % A description of each parameter follows: % % o filelist: Function ListFiles returns a list of filenames contained % in the directory. If the directory specified cannot be read or it is % a file a NULL list is returned. % % o directory: Specifies a pointer to a text string containing a directory % name. % % o pattern: Specifies a pointer to a text string containing a pattern. % % o number_entries: This integer returns the number of filenames in the % list. % % */ static int FileCompare(x,y) const void *x, *y; { register char **p, **q; p=(char **) x; q=(char **) y; return(strcmp(*p,*q)); } char **ListFiles(directory,pattern,number_entries) char *directory, *pattern; int *number_entries; { char **filelist; DIR *current_directory; int status; struct dirent *entry; struct stat file_info; unsigned int max_entries; /* Open directory. */ *number_entries=0; status=chdir(directory); if (status != 0) return((char **) NULL); (void) getcwd(directory,MaxTextLength-1); current_directory=opendir(directory); if (current_directory == (DIR *) NULL) return((char **) NULL); /* Allocate filelist. */ max_entries=2048; filelist=(char **) malloc(max_entries*sizeof(char *)); if (filelist == (char **) NULL) { (void) closedir(current_directory); return((char **) NULL); } /* Save the current and change to the new directory. */ (void) chdir(directory); entry=readdir(current_directory); while (entry != (struct dirent *) NULL) { if (*entry->d_name == '.') { entry=readdir(current_directory); continue; } (void) stat(entry->d_name,&file_info); if (S_ISDIR(file_info.st_mode) || GlobExpression(entry->d_name,pattern)) { if (*number_entries >= max_entries) { max_entries<<=1; filelist=(char **) realloc((char **) filelist,max_entries*sizeof(char *)); if (filelist == (char **) NULL) { (void) closedir(current_directory); return((char **) NULL); } } filelist[*number_entries]=(char *) malloc(strlen(entry->d_name)+2); if (filelist[*number_entries] == (char *) NULL) break; (void) strcpy(filelist[*number_entries],entry->d_name); if (S_ISDIR(file_info.st_mode)) (void) strcat(filelist[*number_entries],DirectorySeparator); (*number_entries)++; } entry=readdir(current_directory); } (void) closedir(current_directory); /* Sort filelist in ascending order. */ qsort((void *) filelist,*number_entries,sizeof(char **), (int (*) _Declare((const void *, const void *))) FileCompare); return(filelist); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % L S B F i r s t R e a d L o n g % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function LSBFirstReadLong reads a long value as a 32 bit quantity in % least-significant byte first order. % % The format of the LSBFirstReadLong routine is: % % value=LSBFirstReadLong(file) % % A description of each parameter follows. % % o value: Function LSBFirstReadLong returns an unsigned long read from % the file. % % o file: Specifies the file to read the data from. % % */ unsigned long LSBFirstReadLong(file) FILE *file; { unsigned char buffer[4]; unsigned int status; unsigned long value; status=ReadData((char *) buffer,1,4,file); if (status == False) return((unsigned long) ~0); value=(unsigned int) (buffer[3] << 24); value|=(unsigned int) (buffer[2] << 16); value|=(unsigned int) (buffer[1] << 8); value|=(unsigned int) (buffer[0]); return(value); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % L S B F i r s t R e a d S h o r t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function LSBFirstReadShort reads a short value as a 16 bit quantity in % least-significant byte first order. % % The format of the LSBFirstReadShort routine is: % % value=LSBFirstReadShort(file) % % A description of each parameter follows. % % o value: Function LSBFirstReadShort returns an unsigned short read from % the file. % % o file: Specifies the file to read the data from. % % */ unsigned short LSBFirstReadShort(file) FILE *file; { unsigned char buffer[2]; unsigned int status; unsigned short value; status=ReadData((char *) buffer,1,2,file); if (status == False) return((unsigned short) ~0); value=(unsigned short) (buffer[1] << 8); value|=(unsigned short) (buffer[0]); return(value); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % L S B F i r s t W r i t e L o n g % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function LSBFirstWriteLong writes a long value as a 32 bit quantity in % least-significant byte first order. % % The format of the LSBFirstWriteLong routine is: % % LSBFirstWriteLong(value,file) % % A description of each parameter follows. % % o value: Specifies the value to write. % % o file: Specifies the file to write the data to. % % */ void LSBFirstWriteLong(value,file) unsigned long value; FILE *file; { unsigned char buffer[4]; buffer[0]=(unsigned char) (value); buffer[1]=(unsigned char) ((value) >> 8); buffer[2]=(unsigned char) ((value) >> 16); buffer[3]=(unsigned char) ((value) >> 24); (void) fwrite((char *) buffer,1,4,file); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % L S B F i r s t W r i t e S h o r t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function LSBFirstWriteShort writes a long value as a 16 bit quantity in % least-significant byte first order. % % The format of the LSBFirstWriteShort routine is: % % LSBFirstWriteShort(value,file) % % A description of each parameter follows. % % o value: Specifies the value to write. % % o file: Specifies the file to write the data to. % % */ void LSBFirstWriteShort(value,file) unsigned int value; FILE *file; { unsigned char buffer[2]; buffer[0]=(unsigned char) (value); buffer[1]=(unsigned char) ((value) >> 8); (void) fwrite((char *) buffer,1,2,file); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M S B F i r s t O r d e r L o n g % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function MSBFirstOrderLong converts a least-significant byte first buffer % of integers to most-significant byte first. % % The format of the MSBFirstOrderLong routine is: % % MSBFirstOrderLong(p,length); % % A description of each parameter follows. % % o p: Specifies a pointer to a buffer of integers. % % o length: Specifies the length of the buffer. % % */ void MSBFirstOrderLong(p,length) register char *p; register unsigned int length; { register char c, *q, *sp; q=p+length; while (p < q) { sp=p+3; c=(*sp); *sp=(*p); *p++=c; sp=p+1; c=(*sp); *sp=(*p); *p++=c; p+=2; } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M S B F i r s t O r d e r S h o r t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function MSBFirstOrderShort converts a least-significant byte first buffer % of integers to most-significant byte first. % % The format of the MSBFirstOrderShort routine is: % % MSBFirstOrderLongShort(p,length); % % A description of each parameter follows. % % o p: Specifies a pointer to a buffer of integers. % % o length: Specifies the length of the buffer. % % */ void MSBFirstOrderShort(p,length) register char *p; register unsigned int length; { register char c, *q; q=p+length; while (p < q) { c=(*p); *p=(*(p+1)); p++; *p++=c; } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M S B F i r s t R e a d S h o r t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function MSBFirstReadShort reads a short value as a 16 bit quantity in % most-significant byte first order. % % The format of the MSBFirstReadShort routine is: % % value=MSBFirstReadShort(file) % % A description of each parameter follows. % % o value: Function MSBFirstReadShort returns an unsigned short read from % the file. % % o file: Specifies the file to read the data from. % % */ unsigned short MSBFirstReadShort(file) FILE *file; { unsigned char buffer[2]; unsigned int status; unsigned short value; status=ReadData((char *) buffer,1,2,file); if (status == False) return((unsigned short) ~0); value=(unsigned int) (buffer[0] << 8); value|=(unsigned int) (buffer[1]); return(value); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M S B F i r s t R e a d L o n g % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function MSBFirstReadLong reads a long value as a 32 bit quantity in % most-significant byte first order. % % The format of the MSBFirstReadLong routine is: % % value=MSBFirstReadLong(file) % % A description of each parameter follows. % % o value: Function MSBFirstReadLong returns an unsigned long read from % the file. % % o file: Specifies the file to read the data from. % % */ unsigned long MSBFirstReadLong(file) FILE *file; { unsigned char buffer[4]; unsigned int status; unsigned long value; status=ReadData((char *) buffer,1,4,file); if (status == False) return((unsigned long) ~0); value=(unsigned int) (buffer[0] << 24); value|=(unsigned int) (buffer[1] << 16); value|=(unsigned int) (buffer[2] << 8); value|=(unsigned int) (buffer[3]); return(value); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M S B F i r s t W r i t e L o n g % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function MSBFirstWriteLong writes a long value as a 32 bit quantity in % most-significant byte first order. % % The format of the MSBFirstWriteLong routine is: % % MSBFirstWriteLong(value,file) % % A description of each parameter follows. % % o value: Specifies the value to write. % % o file: Specifies the file to write the data to. % % */ void MSBFirstWriteLong(value,file) unsigned long value; FILE *file; { unsigned char buffer[4]; buffer[0]=(unsigned char) ((value) >> 24); buffer[1]=(unsigned char) ((value) >> 16); buffer[2]=(unsigned char) ((value) >> 8); buffer[3]=(unsigned char) (value); (void) fwrite((char *) buffer,1,4,file); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M S B F i r s t W r i t e S h o r t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function MSBFirstWriteShort writes a long value as a 16 bit quantity in % most-significant byte first order. % % The format of the MSBFirstWriteShort routine is: % % MSBFirstWriteShort(value,file) % % A description of each parameter follows. % % o value: Specifies the value to write. % % o file: Specifies the file to write the data to. % % */ void MSBFirstWriteShort(value,file) unsigned int value; FILE *file; { unsigned char buffer[2]; buffer[0]=(unsigned char) ((value) >> 8); buffer[1]=(unsigned char) (value); (void) fwrite((char *) buffer,1,2,file); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d D a t a % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadData reads data from the image file and returns it. If it % cannot read the requested number of items, False is returned indicating % an error. % % The format of the ReadData routine is: % % status=ReadData(data,size,number_items,file) % % A description of each parameter follows: % % o status: Function ReadData returns True if all the data requested % is obtained without error, otherwise False. % % o data: Specifies an area to place the information reuested from % the file. % % o size: Specifies an integer representing the length of an % individual item to be read from the file. % % o number_items: Specifies an integer representing the number of items % to read from the file. % % o file: Specifies a file to read the data. % % */ unsigned int ReadData(data,size,number_items,file) char *data; unsigned int size, number_items; FILE *file; { int bytes, count; count=0; for (bytes=size*number_items; bytes > 0; bytes-=count) { count=fread(data,1,bytes,file); if (count <= 0) return(False); data+=count; } return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d D a t a B l o c k % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function ReadDataBlock reads data from the image file and returns it. The % amount of data is determined by first reading a count byte. If % ReadDataBlock cannot read the requested number of items, `-1' is returned % indicating an error. % % The format of the ReadData routine is: % % status=ReadData(data,file) % % A description of each parameter follows: % % o status: Function ReadData returns the number of characters read % unless there is an error, otherwise `-1'. % % o data: Specifies an area to place the information reuested from % the file. % % o file: Specifies a file to read the data. % % */ int ReadDataBlock(data,file) char *data; FILE *file; { unsigned char count; unsigned int status; status=ReadData((char *) &count,1,1,file); if (status == False) return(-1); if (count == 0) return(0); status=ReadData(data,1,(unsigned int) count,file); if (status == False) return(-1); return(count); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % S t r i n g T o L i s t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function StringToList converts a text string into a list by segmenting the % text string at each carriage return discovered. The list is converted to % HEX characters if any non-printable characters are discovered within the % text string. % % The format of the StringToList routine is: % % list=StringToList(text) % % A description of each parameter follows: % % o list: Function StringToList returns the string list unless an error % occurs, otherwise NULL. % % o text: Specifies the string to segment into a list. % % */ char **StringToList(text) char *text; { char **textlist; register char *p, *q; register int i; unsigned int lines; if (text == (char *) NULL) return((char **) NULL); for (p=text; *p != '\0'; p++) if (!(isprint(*p) || isspace(*p))) break; if (*p == '\0') { /* Convert string to an ASCII list. */ lines=1; for (p=text; *p != '\0'; p++) if (*p == '\n') lines++; textlist=(char **) malloc((lines+1)*sizeof(char *)); if (textlist == (char **) NULL) { Warning("Unable to convert text","Memory allocation failed"); return((char **) NULL); } p=text; for (i=0; i < lines; i++) { for (q=p; *q != '\0'; q++) if ((*q == '\r') || (*q == '\n')) break; textlist[i]=(char *) malloc((q-p+1)*sizeof(char)); if (textlist[i] == (char *) NULL) { Warning("Unable to convert text","Memory allocation failed"); return((char **) NULL); } (void) strncpy(textlist[i],p,q-p); textlist[i][q-p]='\0'; if (*q == '\r') q++; p=q+1; } } else { char hex_string[MaxTextLength]; register int j; /* Convert string to a HEX list. */ lines=((int) strlen(text)/0x14)+1; textlist=(char **) malloc((lines+1)*sizeof(char *)); if (textlist == (char **) NULL) { Warning("Unable to convert text","Memory allocation failed"); return((char **) NULL); } p=text; for (i=0; i < lines; i++) { textlist[i]=(char *) malloc(900*sizeof(char)); if (textlist[i] == (char *) NULL) { Warning("Unable to convert text","Memory allocation failed"); return((char **) NULL); } (void) sprintf(textlist[i],"0x%08x: ",i*0x14); q=textlist[i]+strlen(textlist[i]); for (j=1; j <= Min((int) strlen(p),0x14); j++) { (void) sprintf(hex_string,"%02x",*(p+j)); (void) strcpy(q,hex_string); q+=2; if ((j % 0x04) == 0) *q++=' '; } for (; j <= 0x14; j++) { *q++=' '; *q++=' '; if ((j % 0x04) == 0) *q++=' '; } *q++=' '; for (j=1; j <= Min((int) strlen(p),0x14); j++) { if (isprint(*p)) *q++=(*p); else *q++='-'; p++; } *q='\0'; } } textlist[i]=(char *) NULL; return(textlist); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % P o s t s c i p t G e o m e t r y % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function PostscriptGeometry replaces any page mneumonic with the equivalent % size in picas. % % The format of the PostscriptGeometry routine is: % % geometry=PostscriptGeometry(page) % % A description of each parameter follows. % % o page: Specifies a pointer to an array of characters. The string is % either a Postscript page name (e.g. A4) or a postscript page geometry % (e.g. 612x792+36+36). % % */ char *PostscriptGeometry(page) char *page; { static char *PageSizes[][2]= { { "LETTER", "612x792" }, { "TABLOID", "792x1224" }, { "LEDGER", "1224x792" }, { "LEGAL", " 612x1008" }, { "STATEMENT", "396x612" }, { "EXECUTIVE", "540x720" }, { "A3", "842x1191" }, { "A4", "595x842" }, { "A5", "421x595" }, { "B4", "729x1032" }, { "B5", "516x729" }, { "FOLIO", "612x936" }, { "QUARTO", "610x780" }, { "10x14", "720x1008" }, { (char *) NULL, (char *) NULL } }; char c, *geometry; register char *p; register int i; /* Allocate page geometry memory. */ geometry=(char *) malloc((strlen(page)+MaxTextLength)*sizeof(char)); if (geometry == (char *) NULL) { Warning("Unable to translate page geometry","Memory allocation failed"); return(page); } /* Comparison is case insensitive. */ (void) strcpy(geometry,page); if (!isdigit(*geometry)) for (p=geometry; *p != '\0'; p++) { c=(*p); if (isascii(c) && islower(c)) *p=toupper(c); } /* Comparison is case insensitive. */ for (i=0; *PageSizes[i] != (char *) NULL; i++) if (strncmp(PageSizes[i][0],geometry,strlen(PageSizes[i][0])) == 0) { /* Replace mneumonic with the equivalent size in dots-per-inch. */ (void) strcpy(geometry,PageSizes[i][1]); (void) strcat(geometry,page+strlen(PageSizes[i][0])); break; } return(geometry); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % T e m p o r a r y F i l e n a m e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function TemporaryFilename replaces the contents of the string pointed to % by filename by a unique file name. % % The format of the TemporaryFilename routine is: % % TemporaryFilename(filename) % % A description of each parameter follows. % % o filename: Specifies a pointer to an array of characters. The unique % file name is returned in this array. % % */ void TemporaryFilename(filename) char *filename; { char *directory; directory=(char *) getenv("TMPDIR"); if (directory == (char *) NULL) directory=TemporaryDirectory; (void) sprintf(filename,TemporaryTemplate,directory); (void) mktemp(filename); } er_items: Specifies an integer representing the number of items % to read from the file. % % o file: Specifies a file to read the data. % % */ unsigned int ReadData(data,size,number_items,file) char *data; unsigned int size, number_items; FILE *file; { int bytes, count; count=0; for (bytes=size*number_items; bytes > 0; bytes-=count) { count=fread(data,1,bytes,file); if (count <= 0) return(False); data+=count; } re./ImageMagick/magick/colors.c010064400000240000024000000414020602535737300172020ustar00cristycristy00002330000007/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % CCCC OOO L OOO RRRR SSSSS % % C O O L O O R R SS % % C O O L O O RRRR SSS % % C O O L O O R R SS % % CCCC OOO LLLLL OOO R R SSSSS % % % % % % Count the Colors in an Image % % % % % % % % Software Design % % John Cristy % % July 1992 % % % % % % Copyright 1995 E. I. du Pont de Nemours and Company % % % % Permission to use, copy, modify, distribute, and sell this software and % % its documentation for any purpose is hereby granted without fee, % % provided that the above Copyright notice appear in all copies and that % % both that Copyright notice and this permission notice appear in % % supporting documentation, and that the name of E. I. du Pont de Nemours % % and Company not be used in advertising or publicity pertaining to % % distribution of the software without specific, written prior % % permission. E. I. du Pont de Nemours and Company makes no representations % % about the suitability of this software for any purpose. It is provided % % "as is" without express or implied warranty. % % % % E. I. du Pont de Nemours and Company disclaims all warranties with regard % % to this software, including all implied warranties of merchantability % % and fitness, in no event shall E. I. du Pont de Nemours and Company be % % liable for any special, indirect or consequential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, negligence or other tortuous action, arising % % out of or in connection with the use or performance of this software. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % */ /* Include declarations. */ #include "magick.h" #include "image.h" /* Define declarations. */ #define MaxTreeDepth 8 #define NodesInAList 2048 /* Structures. */ typedef struct _ColorList { Quantum red, green, blue; unsigned long count; } ColorList; typedef struct _Node { unsigned char level; unsigned long number_unique; ColorList *list; struct _Node *child[8]; } Node; typedef struct _Nodes { Node nodes[NodesInAList]; struct _Nodes *next; } Nodes; typedef struct _Cube { Node *root; unsigned int colors; unsigned int free_nodes; Node *node; Nodes *node_list; } Cube; /* Global variables. */ static Cube cube; /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % D e s t r o y L i s t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Procedure DestroyList traverses the color cube tree and free the list of % unique colors. % % The format of the DestroyList routine is: % % DestroyList(node) % % A description of each parameter follows. % % o node: The address of a structure of type Node which points to a % node in the color cube tree that is to be pruned. % % */ static void DestroyList(node) register Node *node; { register unsigned int id; /* Traverse any children. */ for (id=0; id < 8; id++) if (node->child[id] != (Node *) NULL) DestroyList(node->child[id]); if (node->level == MaxTreeDepth) if (node->list != (ColorList *) NULL) free((char *) node->list); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % H i s t o g r a m % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Procedure Histogram traverses the color cube tree and produces a list of % unique pixel field values and the number of times each occurs in the image. % % The format of the Histogram routine is: % % Histogram(node,file) % % A description of each parameter follows. % % o node: The address of a structure of type Node which points to a % node in the color cube tree that is to be pruned. % % */ static void Histogram(node,file) register Node *node; FILE *file; { register int i; register unsigned int id; /* Traverse any children. */ for (id=0; id < 8; id++) if (node->child[id] != (Node *) NULL) Histogram(node->child[id],file); if (node->level == MaxTreeDepth) for (i=0; i < node->number_unique; i++) (void) fprintf(file,"%10lu %6d %6d %6d\n",node->list[i].count, node->list[i].red,node->list[i].green,node->list[i].blue); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % I n i t i a l i z e N o d e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function InitializeNode allocates memory for a new node in the color cube % tree and presets all fields to zero. % % The format of the InitializeNode routine is: % % node=InitializeNode(level) % % A description of each parameter follows. % % o level: Specifies the level in the classification the node resides. % % */ static Node *InitializeNode(level) unsigned int level; { register int i; register Node *node; if (cube.free_nodes == 0) { register Nodes *nodes; /* Allocate a new nodes of nodes. */ nodes=(Nodes *) malloc(sizeof(Nodes)); if (nodes == (Nodes *) NULL) return((Node *) NULL); nodes->next=cube.node_list; cube.node_list=nodes; cube.node=nodes->nodes; cube.free_nodes=NodesInAList; } cube.free_nodes--; node=cube.node++; for (i=0; i < 8; i++) node->child[i]=(Node *) NULL; node->level=level; node->number_unique=0; node->list=(ColorList *) NULL; return(node); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % I s P s e u d o C l a s s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function IsPseudoClass returns True if the image is PseudoClass or has 256 % unique colors or less. If the image is DirectClass and has less 256 colors % or less, the image is demoted to PseudoClass. % % The format of the IsPseudoClass routine is: % % status=IsPseudoClass(image) % % A description of each parameter follows. % % o status: Function IsPseudoClass returns True is the image is % PseudoClass or has 256 color or less. % % o image: The address of a byte (8 bits) array of run-length % encoded pixel data of your source image. The sum of the % run-length counts in the source image must be equal to or exceed % the number of pixels. % % */ unsigned int IsPseudoClass(image) Image *image; { Nodes *nodes; register RunlengthPacket *p; register int i, j; register Node *node; register unsigned int id, index, level; unsigned int count; if (image->class == PseudoClass) return(True); if (image->matte) return(False); /* Initialize color description tree. */ cube.node_list=(Nodes *) NULL; cube.colors=0; cube.free_nodes=0; cube.root=InitializeNode(0); if (cube.root == (Node *) NULL) { Warning("Unable to count colors","Memory allocation failed"); return(False); } p=image->pixels; for (i=0; ((i < image->packets) && (cube.colors <= 256)); i++) { /* Start at the root and proceed level by level. */ count=p->length+1; node=cube.root; index=MaxTreeDepth-1; for (level=1; level <= MaxTreeDepth; level++) { id=(((Quantum) DownScale(p->red) >> index) & 0x01) << 2 | (((Quantum) DownScale(p->green) >> index) & 0x01) << 1 | (((Quantum) DownScale(p->blue) >> index) & 0x01); if (node->child[id] == (Node *) NULL) { node->child[id]=InitializeNode(level); if (node->child[id] == (Node *) NULL) { Warning("Unable to count colors","Memory allocation failed"); return(False); } } node=node->child[id]; index--; if (level != MaxTreeDepth) continue; for (j=0; j < node->number_unique; j++) if ((p->red == node->list[j].red) && (p->green == node->list[j].green) && (p->blue == node->list[j].blue)) break; if (j < node->number_unique) { node->list[j].count+=count; continue; } if (node->number_unique == 0) node->list=(ColorList *) malloc(sizeof(ColorList)); else node->list=(ColorList *) realloc(node->list,(j+1)*sizeof(ColorList)); if (node->list == (ColorList *) NULL) { Warning("Unable to count colors","Memory allocation failed"); return(False); } node->list[j].red=p->red; node->list[j].green=p->green; node->list[j].blue=p->blue; node->list[j].count=1; node->number_unique++; cube.colors++; } p++; } /* Release color cube tree storage. */ DestroyList(cube.root); do { nodes=cube.node_list->next; free((char *) cube.node_list); cube.node_list=nodes; } while (cube.node_list != (Nodes *) NULL); if (cube.colors <= 256) { /* Demote DirectClass to PseudoClass. */ QuantizeImage(image,256,8,False,RGBColorspace); SyncImage(image); } return(image->class == PseudoClass); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % N u m b e r C o l o r s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function NumberColors returns the number of unique colors in an image. % % The format of the NumberColors routine is: % % NumberColors(image,file) % % A description of each parameter follows. % % o image: The address of a byte (8 bits) array of run-length % encoded pixel data of your source image. The sum of the % run-length counts in the source image must be equal to or exceed % the number of pixels. % % o file: An pointer to a FILE. If it is non-null a list of unique pixel % field values and the number of times each occurs in the image is % written to the file. % % % */ void NumberColors(image,file) Image *image; FILE *file; { Nodes *nodes; register RunlengthPacket *p; register int i, j; register Node *node; register unsigned int id, index, level; unsigned int count; /* Initialize color description tree. */ image->total_colors=0; cube.node_list=(Nodes *) NULL; cube.colors=0; cube.free_nodes=0; cube.root=InitializeNode(0); if (cube.root == (Node *) NULL) { Warning("Unable to count colors","Memory allocation failed"); return; } p=image->pixels; for (i=0; i < image->packets; i++) { /* Start at the root and proceed level by level. */ count=p->length+1; node=cube.root; index=MaxTreeDepth-1; for (level=1; level <= MaxTreeDepth; level++) { id=(((Quantum) DownScale(p->red) >> index) & 0x01) << 2 | (((Quantum) DownScale(p->green) >> index) & 0x01) << 1 | (((Quantum) DownScale(p->blue) >> index) & 0x01); if (node->child[id] == (Node *) NULL) { node->child[id]=InitializeNode(level); if (node->child[id] == (Node *) NULL) { Warning("Unable to count colors","Memory allocation failed"); return; } } node=node->child[id]; index--; if (level != MaxTreeDepth) continue; for (j=0; j < node->number_unique; j++) if ((p->red == node->list[j].red) && (p->green == node->list[j].green) && (p->blue == node->list[j].blue)) break; if (j < node->number_unique) { node->list[j].count+=count; continue; } if (node->number_unique == 0) node->list=(ColorList *) malloc(sizeof(ColorList)); else node->list=(ColorList *) realloc(node->list,(j+1)*sizeof(ColorList)); if (node->list == (ColorList *) NULL) { Warning("Unable to count colors","Memory allocation failed"); return; } node->list[j].red=p->red; node->list[j].green=p->green; node->list[j].blue=p->blue; node->list[j].count=1; node->number_unique++; cube.colors++; } p++; } if (file != (FILE *) NULL) { (void) fprintf(file,"\n Histogram of colors:\n"); (void) fprintf(file,"\n Count Red Green Blue\n"); Histogram(cube.root,file); } /* Release color cube tree storage. */ DestroyList(cube.root); do { nodes=cube.node_list->next; free((char *) cube.node_list); cube.node_list=nodes; } while (cube.node_list != (Nodes *) NULL); image->total_colors=cube.colors; } am(node->child[id],file); if (node->level == MaxTreeDepth) for (i=0; i < node->number_unique; i++) (void) fprintf(file,"%10lu %6d %6d %6d\n",node->list[i].count, node->list[i].red,node->list[i].green,node->list[i].blue); } /* %%%%%%./ImageMagick/magick/logo.h010064400000240000024000022747110602164600400166470ustar00cristycristy00002330000007/* Logo image declaration. */ #define LogoImageLength 96762 static unsigned char LogoImage[]= { 0x7b, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x20, 0x49, 0x6d, 0x61, 0x67, 0x65, 0x4d, 0x61, 0x67, 0x69, 0x63, 0x6b, 0x20, 0x6c, 0x6f, 0x67, 0x6f, 0x20, 0x64, 0x65, 0x73, 0x69, 0x67, 0x6e, 0x65, 0x64, 0x20, 0x62, 0x79, 0x20, 0x70, 0x65, 0x64, 0x65, 0x72, 0x6c, 0x40, 0x68, 0x70, 0x75, 0x62, 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0x44, 0x56, 0x00, 0x00, 0x5f, 0x56, 0x00, 0x00, 0xd4, 0xda, 0x00, 0x00, 0x71, 0x56, 0x00, 0x00, 0x0e, 0x56, 0x00, 0x00, 0x2a, 0x56, 0x00, 0x00, 0xff, 0x00, 0x79, 0xda, 0x00, 0x00, 0xff, 0x00, 0xa0, 0x56, 0x00, 0x00, 0x78, 0x56, 0x00, 0x00, 0x66, 0xda, 0x00, 0x00, 0xa4, 0x56, 0x00, 0x00, 0xbb, 0x56, 0x00, 0x00, 0xff, 0x00, 0x0c, 0x56, 0x00, 0x00, 0xff, 0x00, 0x2e, 0xda, 0x00, 0x00, 0x15, 0x56, 0x00, 0x00, 0x62, 0x56, 0x00, 0x00, 0xa3, 0xda, 0x00, 0x00, 0xff, 0x00, 0x39, 0xda, 0x00, 0x00, 0xcf, 0x56, 0x00, 0x00, 0x9f, 0x56, 0x00, 0x00, 0x57, 0x56, 0x00, 0x00, 0xff, 0x00, 0x3a, 0xda, 0x00, 0x00, 0xff, 0x00, 0x36, }; x00, 0x00, 0xff, 0x00, 0x3d, 0x56, 0x00, 0x00, 0x3./ImageMagick/magick/quantize.c010064400000240000024000001677020602164600300175400ustar00cristycristy00002330000007/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % QQQ U U AAA N N TTTTT IIIII ZZZZZ EEEEE % % Q Q U U A A NN N T I ZZ E % % Q Q U U AAAAA N N N T I ZZZ EEEEE % % Q QQ U U A A N NN T I ZZ E % % QQQQ UUU A A N N T IIIII ZZZZZ EEEEE % % % % % % Reduce the Number of Unique Colors in an Image % % % % % % % % Software Design % % John Cristy % % July 1992 % % % % Copyright 1995 E. I. du Pont de Nemours and Company % % % % Permission to use, copy, modify, distribute, and sell this software and % % its documentation for any purpose is hereby granted without fee, % % provided that the above Copyright notice appear in all copies and that % % both that Copyright notice and this permission notice appear in % % supporting documentation, and that the name of E. I. du Pont de Nemours % % and Company not be used in advertising or publicity pertaining to % % distribution of the software without specific, written prior % % permission. E. I. du Pont de Nemours and Company makes no representations % % about the suitability of this software for any purpose. It is provided % % "as is" without express or implied warranty. % % % % E. I. du Pont de Nemours and Company disclaims all warranties with regard % % to this software, including all implied warranties of merchantability % % and fitness, in no event shall E. I. du Pont de Nemours and Company be % % liable for any special, indirect or consequential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, negligence or other tortuous action, arising % % out of or in connection with the use or performance of this software. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Realism in computer graphics typically requires using 24 bits/pixel to % generate an image. Yet many graphic display devices do not contain % the amount of memory necessary to match the spatial and color % resolution of the human eye. The QUANTIZE program takes a 24 bit % image and reduces the number of colors so it can be displayed on % raster device with less bits per pixel. In most instances, the % quantized image closely resembles the original reference image. % % A reduction of colors in an image is also desirable for image % transmission and real-time animation. % % Function Quantize takes a standard RGB or monochrome images and quantizes % them down to some fixed number of colors. % % For purposes of color allocation, an image is a set of n pixels, where % each pixel is a point in RGB space. RGB space is a 3-dimensional % vector space, and each pixel, pi, is defined by an ordered triple of % red, green, and blue coordinates, (ri, gi, bi). % % Each primary color component (red, green, or blue) represents an % intensity which varies linearly from 0 to a maximum value, cmax, which % corresponds to full saturation of that color. Color allocation is % defined over a domain consisting of the cube in RGB space with % opposite vertices at (0,0,0) and (cmax,cmax,cmax). QUANTIZE requires % cmax = 255. % % The algorithm maps this domain onto a tree in which each node % represents a cube within that domain. In the following discussion % these cubes are defined by the coordinate of two opposite vertices: % The vertex nearest the origin in RGB space and the vertex farthest % from the origin. % % The tree's root node represents the the entire domain, (0,0,0) through % (cmax,cmax,cmax). Each lower level in the tree is generated by % subdividing one node's cube into eight smaller cubes of equal size. % This corresponds to bisecting the parent cube with planes passing % through the midpoints of each edge. % % The basic algorithm operates in three phases: Classification, % Reduction, and Assignment. Classification builds a color % description tree for the image. Reduction collapses the tree until % the number it represents, at most, the number of colors desired in the % output image. Assignment defines the output image's color map and % sets each pixel's color by reclassification in the reduced tree. % Our goal is to minimize the numerical discrepancies between the original % colors and quantized colors (quantization error). % % Classification begins by initializing a color description tree of % sufficient depth to represent each possible input color in a leaf. % However, it is impractical to generate a fully-formed color % description tree in the classification phase for realistic values of % cmax. If colors components in the input image are quantized to k-bit % precision, so that cmax= 2k-1, the tree would need k levels below the % root node to allow representing each possible input color in a leaf. % This becomes prohibitive because the tree's total number of nodes is % 1 + sum(i=1,k,8k). % % A complete tree would require 19,173,961 nodes for k = 8, cmax = 255. % Therefore, to avoid building a fully populated tree, QUANTIZE: (1) % Initializes data structures for nodes only as they are needed; (2) % Chooses a maximum depth for the tree as a function of the desired % number of colors in the output image (currently log2(colormap size)). % % For each pixel in the input image, classification scans downward from % the root of the color description tree. At each level of the tree it % identifies the single node which represents a cube in RGB space % containing the pixel's color. It updates the following data for each % such node: % % n1: Number of pixels whose color is contained in the RGB cube % which this node represents; % % n2: Number of pixels whose color is not represented in a node at % lower depth in the tree; initially, n2 = 0 for all nodes except % leaves of the tree. % % Sr, Sg, Sb: Sums of the red, green, and blue component values for % all pixels not classified at a lower depth. The combination of % these sums and n2 will ultimately characterize the mean color of a % set of pixels represented by this node. % % E: The distance squared in RGB space between each pixel contained % within a node and the nodes' center. This represents the quantization % error for a node. % % Reduction repeatedly prunes the tree until the number of nodes with % n2 > 0 is less than or equal to the maximum number of colors allowed % in the output image. On any given iteration over the tree, it selects % those nodes whose E count is minimal for pruning and merges their % color statistics upward. It uses a pruning threshold, Ep, to govern % node selection as follows: % % Ep = 0 % while number of nodes with (n2 > 0) > required maximum number of colors % prune all nodes such that E <= Ep % Set Ep to minimum E in remaining nodes % % This has the effect of minimizing any quantization error when merging % two nodes together. % % When a node to be pruned has offspring, the pruning procedure invokes % itself recursively in order to prune the tree from the leaves upward. % n2, Sr, Sg, and Sb in a node being pruned are always added to the % corresponding data in that node's parent. This retains the pruned % node's color characteristics for later averaging. % % For each node, n2 pixels exist for which that node represents the % smallest volume in RGB space containing those pixel's colors. When n2 % > 0 the node will uniquely define a color in the output image. At the % beginning of reduction, n2 = 0 for all nodes except a the leaves of % the tree which represent colors present in the input image. % % The other pixel count, n1, indicates the total number of colors % within the cubic volume which the node represents. This includes n1 - % n2 pixels whose colors should be defined by nodes at a lower level in % the tree. % % Assignment generates the output image from the pruned tree. The % output image consists of two parts: (1) A color map, which is an % array of color descriptions (RGB triples) for each color present in % the output image; (2) A pixel array, which represents each pixel as % an index into the color map array. % % First, the assignment phase makes one pass over the pruned color % description tree to establish the image's color map. For each node % with n2 > 0, it divides Sr, Sg, and Sb by n2 . This produces the % mean color of all pixels that classify no lower than this node. Each % of these colors becomes an entry in the color map. % % Finally, the assignment phase reclassifies each pixel in the pruned % tree to identify the deepest node containing the pixel's color. The % pixel's value in the pixel array becomes the index of this node's mean % color in the color map. % % For efficiency, QUANTIZE requires that the reference image be in a % run-length encoded format. % % With the permission of USC Information Sciences Institute, 4676 Admiralty % Way, Marina del Rey, California 90292, this code was adapted from module % ALCOLS written by Paul Raveling. % % The names of ISI and USC are not used in advertising or publicity % pertaining to distribution of the software without prior specific % written permission from ISI. % % */ /* Include declarations. */ #include "magick.h" #include "image.h" /* Define declarations. */ #define MaxNodes 266817 #define MaxSpan ((1 << MaxTreeDepth)-1) #define MaxTreeDepth 8 #define NodesInAList 2048 /* Structures. */ typedef struct _Node { unsigned char id, level, census, mid_red, mid_green, mid_blue; unsigned int color_number, number_unique; double quantization_error, total_red, total_green, total_blue; struct _Node *parent, *child[8]; } Node; typedef struct _Nodes { Node nodes[NodesInAList]; struct _Nodes *next; } Nodes; typedef struct _Cube { Node *root; unsigned int depth; unsigned long colors; ColorPacket color, *colormap; double distance, pruning_threshold, next_pruning_threshold; unsigned int *squares, nodes, free_nodes, color_number; Node *next_node; Nodes *node_queue; } Cube; /* Global variables. */ static Cube cube; /* Forward declarations. */ static Node *InitializeNode _Declare((unsigned int,unsigned int,Node *,unsigned int, unsigned int, unsigned int)); static unsigned int DitherImage _Declare((Image *)); static void ClosestColor _Declare((Node *)), Colormap _Declare((Node *)), PruneLevel _Declare((Node *)); /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % A s s i g n m e n t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Procedure Assignment generates the output image from the pruned tree. The % output image consists of two parts: (1) A color map, which is an % array of color descriptions (RGB triples) for each color present in % the output image; (2) A pixel array, which represents each pixel as % an index into the color map array. % % First, the assignment phase makes one pass over the pruned color % description tree to establish the image's color map. For each node % with n2 > 0, it divides Sr, Sg, and Sb by n2 . This produces the % mean color of all pixels that classify no lower than this node. Each % of these colors becomes an entry in the color map. % % Finally, the assignment phase reclassifies each pixel in the pruned % tree to identify the deepest node containing the pixel's color. The % pixel's value in the pixel array becomes the index of this node's mean % color in the color map. % % The format of the Assignment routine is: % % Assignment(image,number_colors,dither,colorspace) % % A description of each parameter follows. % % o image: Specifies a pointer to an Image structure; returned from % ReadImage. % % o number_colors: This integer value indicates the maximum number of % colors in the quantized image or colormap. Here we use this value % to determine the depth of the color description tree. % % o dither: Set this integer value to something other than zero to % dither the quantized image. The basic strategy of dithering is to % trade intensity resolution for spatial resolution by averaging the % intensities of several neighboring pixels. Images which suffer % from severe contouring when quantized can be improved with the % technique of dithering. Severe contouring generally occurs when % quantizing to very few colors, or to a poorly-chosen colormap. % Note, dithering is a computationally expensive process and will % increase processing time significantly. % % o colorspace: An unsigned integer value that indicates the colorspace. % % */ static void Assignment(image,number_colors,dither,colorspace) Image *image; unsigned int number_colors, dither, colorspace; { register int i; register Node *node; register RunlengthPacket *p; unsigned int id, index; /* Allocate image colormap. */ if (image->colormap != (ColorPacket *) NULL) free((char *) image->colormap); image->colormap=(ColorPacket *) malloc(cube.colors*sizeof(ColorPacket)); if (image->colormap == (ColorPacket *) NULL) { Warning("Unable to quantize image","Memory allocation failed"); exit(1); } if (image->signature != (char *) NULL) free((char *) image->signature); image->signature=(char *) NULL; cube.colormap=image->colormap; cube.colors=0; Colormap(cube.root); if ((number_colors == 2) && (colorspace == GRAYColorspace)) { unsigned int polarity; /* Monochrome image. */ polarity=Intensity(image->colormap[0]) > Intensity(image->colormap[1]); image->colormap[polarity].red=0; image->colormap[polarity].green=0; image->colormap[polarity].blue=0; image->colormap[!polarity].red=MaxRGB; image->colormap[!polarity].green=MaxRGB; image->colormap[!polarity].blue=MaxRGB; } image->matte=False; image->class=PseudoClass; image->colors=cube.colors; /* Create a reduced color image. */ if (dither) dither=!DitherImage(image); p=image->pixels; if (!dither) for (i=0; i < image->packets; i++) { /* Identify the deepest node containing the pixel's color. */ node=cube.root; for (index=MaxTreeDepth-1; (int) index > 0; index--) { id=(((Quantum) DownScale(p->red) >> index) & 0x01) << 2 | (((Quantum) DownScale(p->green) >> index) & 0x01) << 1 | (((Quantum) DownScale(p->blue) >> index) & 0x01); if ((node->census & (1 << id)) == 0) break; node=node->child[id]; } /* Find closest color among siblings and their children. */ cube.color.red=p->red; cube.color.green=p->green; cube.color.blue=p->blue; cube.distance=3.0*(MaxRGB+1)*(MaxRGB+1); ClosestColor(node->parent); p->index=cube.color_number; p++; } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C l a s s i f i c a t i o n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Procedure Classification begins by initializing a color description tree % of sufficient depth to represent each possible input color in a leaf. % However, it is impractical to generate a fully-formed color % description tree in the classification phase for realistic values of % cmax. If colors components in the input image are quantized to k-bit % precision, so that cmax= 2k-1, the tree would need k levels below the % root node to allow representing each possible input color in a leaf. % This becomes prohibitive because the tree's total number of nodes is % 1 + sum(i=1,k,8k). % % A complete tree would require 19,173,961 nodes for k = 8, cmax = 255. % Therefore, to avoid building a fully populated tree, QUANTIZE: (1) % Initializes data structures for nodes only as they are needed; (2) % Chooses a maximum depth for the tree as a function of the desired % number of colors in the output image (currently log2(colormap size)). % % For each pixel in the input image, classification scans downward from % the root of the color description tree. At each level of the tree it % identifies the single node which represents a cube in RGB space % containing It updates the following data for each such node: % % n1 : Number of pixels whose color is contained in the RGB cube % which this node represents; % % n2 : Number of pixels whose color is not represented in a node at % lower depth in the tree; initially, n2 = 0 for all nodes except % leaves of the tree. % % Sr, Sg, Sb : Sums of the red, green, and blue component values for % all pixels not classified at a lower depth. The combination of % these sums and n2 will ultimately characterize the mean color of a % set of pixels represented by this node. % % E: The distance squared in RGB space between each pixel contained % within a node and the nodes' center. This represents the quantization % error for a node. % % The format of the Classification routine is: % % Classification(image) % % A description of each parameter follows. % % o image: Specifies a pointer to an Image structure; returned from % ReadImage. % % */ static void Classification(image) Image *image; { double distance_squared; int distance; register int i; register Node *node; register RunlengthPacket *p; register unsigned int index; unsigned int bisect, count, id, level; cube.root->quantization_error+= 3.0*(MaxRGB+1)*(MaxRGB+1)*image->columns*image->rows; p=image->pixels; for (i=0; i < image->packets; i++) { if (cube.nodes > MaxNodes) { /* Prune one level if the color tree is too large. */ PruneLevel(cube.root); cube.depth--; } /* Start at the root and descend the color cube tree. */ count=p->length+1; node=cube.root; index=MaxTreeDepth-1; for (level=1; level <= cube.depth; level++) { id=(((Quantum) DownScale(p->red) >> index) & 0x01) << 2 | (((Quantum) DownScale(p->green) >> index) & 0x01) << 1 | (((Quantum) DownScale(p->blue) >> index) & 0x01); if (node->child[id] == (Node *) NULL) { /* Set colors of new node to contain pixel. */ node->census|=1 << id; bisect=(unsigned int) (1 << (MaxTreeDepth-level)) >> 1; node->child[id]=InitializeNode(id,level,node, node->mid_red+(id & 4 ? bisect : -bisect), node->mid_green+(id & 2 ? bisect : -bisect), node->mid_blue+(id & 1 ? bisect : -bisect)); if (node->child[id] == (Node *) NULL) { Warning("Unable to quantize image","Memory allocation failed"); exit(1); } if (level == cube.depth) cube.colors++; } node=node->child[id]; /* Approximate the quantization error represented by this node. */ distance=(int) DownScale(p->red)-(int) node->mid_red; distance_squared=cube.squares[distance]; distance=(int) DownScale(p->green)-(int) node->mid_green; distance_squared+=cube.squares[distance]; distance=(int) DownScale(p->blue)-(int) node->mid_blue; distance_squared+=cube.squares[distance]; node->quantization_error+=distance_squared*count; index--; } /* Increment unique color count and sum RGB values for this leaf for later derivation of the mean cube color. */ node->number_unique+=count; node->total_red+=p->red*count; node->total_green+=p->green*count; node->total_blue+=p->blue*count; p++; } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C l o s e s t C o l o r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Procedure ClosestColor traverses the color cube tree at a particular node % and determines which colormap entry best represents the input color. % % The format of the ClosestColor routine is: % % ClosestColor(node) % % A description of each parameter follows. % % o node: The address of a structure of type Node which points to a % node in the color cube tree that is to be pruned. % % */ static void ClosestColor(node) register Node *node; { register unsigned int id; /* Traverse any children. */ if (node->census != 0) for (id=0; id < 8; id++) if (node->census & (1 << id)) ClosestColor(node->child[id]); if (node->number_unique != 0) { register float distance_squared; register int distance; register ColorPacket *color; /* Determine if this color is "closest". */ color=cube.colormap+node->color_number; distance=(int) color->red-(int) cube.color.red; distance_squared=cube.squares[distance]; distance=(int) color->green-(int) cube.color.green; distance_squared+=cube.squares[distance]; distance=(int) color->blue-(int) cube.color.blue; distance_squared+=cube.squares[distance]; if (distance_squared < cube.distance) { cube.distance=distance_squared; cube.color_number=(unsigned short) node->color_number; } } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % C o l o r m a p % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Procedure Colormap traverses the color cube tree and notes each colormap % entry. A colormap entry is any node in the color cube tree where the % number of unique colors is not zero. % % The format of the Colormap routine is: % % Colormap(node) % % A description of each parameter follows. % % o node: The address of a structure of type Node which points to a % node in the color cube tree that is to be pruned. % % */ static void Colormap(node) register Node *node; { register unsigned int id; register unsigned long number_unique; /* Traverse any children. */ if (node->census != 0) for (id=0; id < 8; id++) if (node->census & (1 << id)) Colormap(node->child[id]); if (node->number_unique != 0) { /* Colormap entry is defined by the mean color in this cube. */ number_unique=node->number_unique; cube.colormap[cube.colors].red=(Quantum) ((node->total_red+(number_unique >> 1))/number_unique); cube.colormap[cube.colors].green=(Quantum) ((node->total_green+(number_unique >> 1))/number_unique); cube.colormap[cube.colors].blue=(Quantum) ((node->total_blue+(number_unique >> 1))/number_unique); node->color_number=cube.colors++; } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % D i t h e r I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Procedure DitherImage uses the Floyd-Steinberg algorithm to dither the % image. Refer to "An Adaptive Algorithm for Spatial GreySscale", Robert W. % Floyd and Louis Steinberg, Proceedings of the S.I.D., Volume 17(2), 1976. % % First find the closest representation to the reference pixel color in the % colormap, the node pixel is assigned this color. Next, the colormap color % is subtracted from the reference pixels color, this represents the % quantization error. Various amounts of this error are added to the pixels % ahead and below the node pixel to correct for this error. The error % proportions are: % % P 7/16 % 3/16 5/16 1/16 % % The error is distributed left-to-right for even scanlines and right-to-left % for odd scanlines. % % The format of the DitherImage routine is: % % DitherImage(image) % % A description of each parameter follows. % % o image: Specifies a pointer to an Image structure; returned from % ReadImage. % % */ static unsigned int DitherImage(image) Image *image; { #define CacheShift (QuantumDepth-6) typedef struct _ErrorPacket { int red, green, blue; } ErrorPacket; ErrorPacket *error; int blue_error, green_error, red_error, step; Node *node; Quantum blue, green, red; register ErrorPacket *cs, *ns; register int *cache, *error_limit, i; register Quantum *range_limit; register RunlengthPacket *q; unsigned int id, index, quantum, x, y; /* Image must be uncompressed. */ if (!UncompressImage(image)) return(True); /* Allocate memory. */ cache=(int *) malloc((1 << 18)*sizeof(int)); error=(ErrorPacket *) malloc(((image->columns+2) << 1)*sizeof(ErrorPacket)); error_limit=(int *) malloc((MaxRGB*2+1)*sizeof(int)); range_limit=(Quantum *) malloc(3*(MaxRGB+1)*sizeof(Quantum)); if ((cache == (int *) NULL) || (error == (ErrorPacket *) NULL) || (error_limit == (int *) NULL) || (range_limit == (Quantum *) NULL)) { Warning("Unable to dither image","Memory allocation failed"); return(True); } /* Initialize color cache. */ for (i=0; i < (1 << 18); i++) cache[i]=(-1); /* Initialize error tables. */ for (i=0; i < ((image->columns+2) << 1); i++) { error[i].red=0; error[i].green=0; error[i].blue=0; } /* Initialize error limit (constrain error). */ quantum=Max(image->colors >> 4,1); if ((quantum > 1) && (QuantumDepth != 8)) quantum>>=1; error_limit+=MaxRGB; step=0; for (i=0; i < ((MaxRGB+1)/quantum); i++) { error_limit[i]=step; error_limit[-i]=(-step); step++; } if (quantum > 3) for ( ; i < (3*(MaxRGB+1)/quantum); i++) { error_limit[i]=step; error_limit[-i]=(-step); step+=(i & 0x01) ? 0 : 1; } for ( ; i <= MaxRGB; i++) { error_limit[i]=step; error_limit[-i]=(-step); } /* Initialize range tables. */ for (i=0; i <= MaxRGB; i++) { range_limit[i]=0; range_limit[i+(MaxRGB+1)]=(Quantum) i; range_limit[i+(MaxRGB+1)*2]=MaxRGB; } range_limit+=(MaxRGB+1); /* Dither image. */ for (y=0; y < image->rows; y++) { q=image->pixels+image->columns*y; cs=error+1; ns=cs+image->columns+2; step=y & 0x01 ? -1 : 1; if (step < 0) { /* Distribute error right-to-left for odd scanlines. */ q+=(image->columns-1); ns=error+image->columns; cs=ns+image->columns+2; } for (x=0; x < image->columns; x++) { red_error=error_limit[(cs->red+8)/16]; green_error=error_limit[(cs->green+8)/16]; blue_error=error_limit[(cs->blue+8)/16]; red=range_limit[(int) q->red+red_error]; green=range_limit[(int) q->green+green_error]; blue=range_limit[(int) q->blue+blue_error]; i=(blue >> CacheShift) << 12 | (green >> CacheShift) << 6 | (red >> CacheShift); if (cache[i] < 0) { /* Identify the deepest node containing the pixel's color. */ node=cube.root; for (index=MaxTreeDepth-1; (int) index > 0; index--) { id=(((Quantum) DownScale(red) >> index) & 0x01) << 2 | (((Quantum) DownScale(green) >> index) & 0x01) << 1 | (((Quantum) DownScale(blue) >> index) & 0x01); if ((node->census & (1 << id)) == 0) break; node=node->child[id]; } /* Find closest color among siblings and their children. */ cube.color.red=red; cube.color.green=green; cube.color.blue=blue; cube.distance=3.0*(MaxRGB+1)*(MaxRGB+1); ClosestColor(node->parent); cache[i]=cube.color_number; } index=(unsigned int) cache[i]; red_error=(int) red-(int) cube.colormap[index].red; green_error=(int) green-(int) cube.colormap[index].green; blue_error=(int) blue-(int) cube.colormap[index].blue; q->index=(unsigned short) index; q+=step; /* Propagate the error in these proportions: Q 7/16 3/16 5/16 1/16 */ cs->red=0; cs->green=0; cs->blue=0; cs+=step; cs->red+=7*red_error; cs->green+=7*green_error; cs->blue+=7*blue_error; ns-=step; ns->red+=3*red_error; ns->green+=3*green_error; ns->blue+=3*blue_error; ns+=step; ns->red+=5*red_error; ns->green+=5*green_error; ns->blue+=5*blue_error; ns+=step; ns->red+=red_error; ns->green+=green_error; ns->blue+=blue_error; } } /* Free up memory. */ range_limit-=(MaxRGB+1); free((char *) range_limit); error_limit-=MaxRGB; free((char *) error_limit); free((char *) error); free((char *) cache); return(False); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % I n i t i a l i z e C u b e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function InitializeCube initialize the Cube data structure. % % The format of the InitializeCube routine is: % % InitializeCube(depth) % % A description of each parameter follows. % % o depth: Normally, this integer value is zero or one. A zero or % one tells Quantize to choose a optimal tree depth of Log4(number_colors). % A tree of this depth generally allows the best representation of the % reference image with the least amount of memory and the fastest % computational speed. In some cases, such as an image with low color % dispersion (a few number of colors), a value other than % Log4(number_colors) is required. To expand the color tree completely, % use a value of 8. % % */ static void InitializeCube(depth) int depth; { register int i; /* Initialize tree to describe color cube. */ cube.node_queue=(Nodes *) NULL; cube.nodes=0; cube.free_nodes=0; if (depth > MaxTreeDepth) depth=MaxTreeDepth; if (depth < 2) depth=2; cube.depth=depth; /* Initialize root node. */ cube.root=InitializeNode(0,0,(Node *) NULL,(MaxSpan+1) >> 1,(MaxSpan+1) >> 1, (MaxSpan+1) >> 1); cube.squares=(unsigned int *) malloc((MaxRGB+MaxRGB+1)*sizeof(unsigned int)); if ((cube.root == (Node *) NULL) || (cube.squares == (unsigned int *) NULL)) { Warning("Unable to quantize image","Memory allocation failed"); exit(1); } cube.root->parent=cube.root; cube.root->quantization_error=0.0; cube.colors=0; cube.squares+=MaxRGB; for (i=(-MaxRGB); i <= MaxRGB; i++) cube.squares[i]=i*i; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % I n i t i a l i z e N o d e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function InitializeNode allocates memory for a new node in the color cube % tree and presets all fields to zero. % % The format of the InitializeNode routine is: % % node=InitializeNode(node,id,level) % % A description of each parameter follows. % % o node: The InitializeNode routine returns this integer address. % % o id: Specifies the child number of the node. % % o level: Specifies the level in the classification the node resides. % % o mid_red: Specifies the mid point of the red axis for this node. % % o mid_green: Specifies the mid point of the green axis for this node. % % o mid_blue: Specifies the mid point of the blue axis for this node. % */ static Node *InitializeNode(id,level,parent,mid_red,mid_green,mid_blue) unsigned int id, level; Node *parent; unsigned int mid_red, mid_green, mid_blue; { register int i; register Node *node; if (cube.free_nodes == 0) { register Nodes *nodes; /* Allocate a new nodes of nodes. */ nodes=(Nodes *) malloc(sizeof(Nodes)); if (nodes == (Nodes *) NULL) return((Node *) NULL); nodes->next=cube.node_queue; cube.node_queue=nodes; cube.next_node=nodes->nodes; cube.free_nodes=NodesInAList; } cube.nodes++; cube.free_nodes--; node=cube.next_node++; node->parent=parent; for (i=0; i < 8; i++) node->child[i]=(Node *) NULL; node->id=id; node->level=level; node->census=0; node->mid_red=mid_red; node->mid_green=mid_green; node->mid_blue=mid_blue; node->quantization_error=0.0; node->number_unique=0; node->total_red=0.0; node->total_green=0.0; node->total_blue=0.0; return(node); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % P r u n e C h i l d % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function PruneChild deletes the given node and merges its statistics into % its parent. % % The format of the PruneSubtree routine is: % % PruneChild(node) % % A description of each parameter follows. % % o node: pointer to node in color cube tree that is to be pruned. % % */ static void PruneChild(node) register Node *node; { register Node *parent; /* Merge color statistics into parent. */ parent=node->parent; parent->census&=~(1 << node->id); parent->number_unique+=node->number_unique; parent->total_red+=node->total_red; parent->total_green+=node->total_green; parent->total_blue+=node->total_blue; cube.nodes--; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % P r u n e L e v e l % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Procedure PruneLevel deletes all nodes at the bottom level of the color % tree merging their color statistics into their parent node. % % The format of the PruneLevel routine is: % % PruneLevel(node) % % A description of each parameter follows. % % o node: pointer to node in color cube tree that is to be pruned. % % */ static void PruneLevel(node) register Node *node; { register int id; /* Traverse any children. */ if (node->census != 0) for (id=0; id < 8; id++) if (node->census & (1 << id)) PruneLevel(node->child[id]); if (node->level == cube.depth) PruneChild(node); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e d u c e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function Reduce traverses the color cube tree and prunes any node whose % quantization error falls below a particular threshold. % % The format of the Reduce routine is: % % Reduce(node) % % A description of each parameter follows. % % o node: pointer to node in color cube tree that is to be pruned. % % */ static void Reduce(node) register Node *node; { register unsigned int id; /* Traverse any children. */ if (node->census != 0) for (id=0; id < 8; id++) if (node->census & (1 << id)) Reduce(node->child[id]); if (node->quantization_error <= cube.pruning_threshold) PruneChild(node); else { /* Find minimum pruning threshold. */ if (node->number_unique > 0) cube.colors++; if (node->quantization_error < cube.next_pruning_threshold) cube.next_pruning_threshold=node->quantization_error; } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e d u c t i o n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function Reduction repeatedly prunes the tree until the number of nodes % with n2 > 0 is less than or equal to the maximum number of colors allowed % in the output image. On any given iteration over the tree, it selects % those nodes whose E value is minimal for pruning and merges their % color statistics upward. It uses a pruning threshold, Ep, to govern % node selection as follows: % % Ep = 0 % while number of nodes with (n2 > 0) > required maximum number of colors % prune all nodes such that E <= Ep % Set Ep to minimum E in remaining nodes % % This has the effect of minimizing any quantization error when merging % two nodes together. % % When a node to be pruned has offspring, the pruning procedure invokes % itself recursively in order to prune the tree from the leaves upward. % n2, Sr, Sg, and Sb in a node being pruned are always added to the % corresponding data in that node's parent. This retains the pruned % node's color characteristics for later averaging. % % For each node, n2 pixels exist for which that node represents the % smallest volume in RGB space containing those pixel's colors. When n2 % > 0 the node will uniquely define a color in the output image. At the % beginning of reduction, n2 = 0 for all nodes except a the leaves of % the tree which represent colors present in the input image. % % The other pixel count, n1, indicates the total number of colors % within the cubic volume which the node represents. This includes n1 - % n2 pixels whose colors should be defined by nodes at a lower level in % the tree. % % The format of the Reduction routine is: % % Reduction(number_colors) % % A description of each parameter follows. % % o number_colors: This integer value indicates the maximum number of % colors in the quantized image or colormap. The actual number of % colors allocated to the colormap may be less than this value, but % never more. % % */ static void Reduction(number_colors) unsigned int number_colors; { cube.next_pruning_threshold=1; while (cube.colors > number_colors) { cube.pruning_threshold=cube.next_pruning_threshold; cube.next_pruning_threshold=cube.root->quantization_error-1.0; cube.colors=0; Reduce(cube.root); } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a p I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % MapImage replaces the colors of an image with the closest color from % a reference image. % % The format of the MapImage routine is: % % MapImage(image,map_image,dither) % % A description of each parameter follows: % % o image: Specifies a pointer to a set of Image structures. % % o map_image: Specifies a pointer to a Image structure. Reduce % image to a set of colors represented by this image. % % o dither: Set this integer value to something other than zero to % dither the quantized image. The basic strategy of dithering is to % trade intensity resolution for spatial resolution by averaging the % intensities of several neighboring pixels. Images which suffer % from severe contouring when quantized can be improved with the % technique of dithering. Severe contouring generally occurs when % quantizing to very few colors, or to a poorly-chosen colormap. % Note, dithering is a computationally expensive process and will % increase processing time significantly. % % */ void MapImage(image,map_image,dither) Image *image, *map_image; unsigned int dither; { Nodes *nodes; /* Classify image colors from the reference image. */ InitializeCube(8); Classification(map_image); Assignment(image,(unsigned int) cube.colors,dither,RGBColorspace); CompressColormap(image); /* Release color cube tree storage. */ do { nodes=cube.node_queue->next; free((char *) cube.node_queue); cube.node_queue=nodes; } while (cube.node_queue != (Nodes *) NULL); cube.squares-=MaxRGB; free((char *) cube.squares); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % Q u a n t i z a t i o n E r r o r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function QuantizationError measures the difference between the original % and quantized images. This difference is the total quantization error. % The error is computed by summing over all pixels in an image the distance % squared in RGB space between each reference pixel value and its quantized % value. These values are computed: % % o mean_error_per_pixel: This value is the mean error for any single % pixel in the image. % % o normalized_mean_square_error: This value is the normalized mean % quantization error for any single pixel in the image. This distance % measure is normalized to a range between 0 and 1. It is independent % of the range of red, green, and blue values in the image. % % o normalized_maximum_square_error: Thsi value is the normalized % maximum quantization error for any single pixel in the image. This % distance measure is normalized to a range between 0 and 1. It is % independent of the range of red, green, and blue values in your image. % % % The format of the QuantizationError routine is: % % QuantizationError(image) % % A description of each parameter follows. % % o image: The address of a byte (8 bits) array of run-length % encoded pixel data of your reference image. The sum of the % run-length counts in the reference image must be equal to or exceed % the number of pixels. % % */ void QuantizationError(image) Image *image; { double total_error; float distance_squared, maximum_error_per_pixel; int distance; register int i; register RunlengthPacket *p; /* Initialize measurement. */ image->mean_error_per_pixel=0; image->normalized_mean_error=0.0; image->normalized_maximum_error=0.0; NumberColors(image,(FILE *) NULL); cube.squares=(unsigned int *) malloc((MaxRGB+MaxRGB+1)*sizeof(unsigned int)); if (cube.squares == (unsigned int *) NULL) { Warning("Unable to measure error","Memory allocation failed"); return; } cube.squares+=MaxRGB; for (i=(-MaxRGB); i <= MaxRGB; i++) cube.squares[i]=i*i; /* For each pixel, collect error statistics. */ maximum_error_per_pixel=0; total_error=0; p=image->pixels; for (i=0; i < image->packets; i++) { distance=(int) p->red-(int) image->colormap[p->index].red; distance_squared=cube.squares[distance]; distance=(int) p->green-(int) image->colormap[p->index].green; distance_squared+=cube.squares[distance]; distance=(int) p->blue-(int) image->colormap[p->index].blue; distance_squared+=cube.squares[distance]; total_error+=(distance_squared*((double) p->length+1.0)); if (distance_squared > maximum_error_per_pixel) maximum_error_per_pixel=distance_squared; p++; } /* Compute final error statistics. */ image->mean_error_per_pixel=(unsigned int) total_error/(image->columns*image->rows); image->normalized_mean_error= (image->mean_error_per_pixel)/(3.0*(MaxRGB+1)*(MaxRGB+1)); image->normalized_maximum_error= maximum_error_per_pixel/(3.0*(MaxRGB+1)*(MaxRGB+1)); cube.squares-=MaxRGB; free((char *) cube.squares); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % Q u a n t i z e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function QuantizeImage analyzes the colors within a reference image and % chooses a fixed number of colors to represent the image. The goal of the % algorithm is to minimize the difference between the input and output image % while minimizing the processing time. % % The format of the QuantizeImage routine is: % % colors=QuantizeImage(image,number_colors,tree_depth,dither,color_space) % % A description of each parameter follows. % % o colors: The QuantizeImage function returns this integer % value. It is the actual number of colors allocated in the % colormap. Note, the actual number of colors allocated may be less % than the number of colors requested, but never more. % % o image: Specifies a pointer to an Image structure; returned from % ReadImage. % % o number_colors: This integer value indicates the maximum number of % colors in the quantized image or colormap. The actual number of % colors allocated to the colormap may be less than this value, but % never more. % % o tree_depth: Normally, this integer value is zero or one. A zero or % one tells Quantize to choose a optimal tree depth of % Log4(number_colors). A tree of this depth generally allows the best % representation of the reference image with the least amount of memory % and the fastest computational speed. In some cases, such as an image % with low color dispersion (a few number of colors), a value other than % Log4(number_colors) is required. To expand the color tree completely, % use a value of 8. % % o dither: Set this integer value to something other than zero to % dither the quantized image. The basic strategy of dithering is to % trade intensity resolution for spatial resolution by averaging the % intensities of several neighboring pixels. Images which suffer % from severe contouring when quantized can be improved with the % technique of dithering. Severe contouring generally occurs when % quantizing to very few colors, or to a poorly-chosen colormap. % Note, dithering is a computationally expensive process and will % increase processing time significantly. % % o colorspace: An unsigned integer value that indicates the colorspace. % Empirical evidence suggests that distances in YUV or YIQ correspond to % perceptual color differences more closely than do distances in RGB % space. The image is then returned to RGB colorspace after color % reduction. % % */ void QuantizeImage(image,number_colors,tree_depth,dither,colorspace) Image *image; unsigned int number_colors, tree_depth, dither, colorspace; { int depth; Nodes *nodes; if (number_colors == 0) number_colors=1; if (number_colors > MaxColormapSize) number_colors=MaxColormapSize; if (image->packets == (image->columns*image->rows)) CompressImage(image); depth=tree_depth; if (depth == 0) { unsigned int colors; /* Depth of color classification tree is: Log4(colormap size)+2. */ colors=number_colors; for (depth=1; colors != 0; depth++) colors>>=2; if (dither) depth--; if (image->class == PseudoClass) depth+=2; } if (image->class == DirectClass) if (dither && (depth > 6)) depth=6; /* Reduce the number of colors in the continuous tone image. */ InitializeCube(depth); if (colorspace != RGBColorspace) RGBTransformImage(image,colorspace); Classification(image); Reduction(number_colors); Assignment(image,number_colors,dither,colorspace); if (colorspace != RGBColorspace) TransformRGBImage(image,colorspace); /* Release color cube tree storage. */ do { nodes=cube.node_queue->next; free((char *) cube.node_queue); cube.node_queue=nodes; } while (cube.node_queue != (Nodes *) NULL); cube.squares-=MaxRGB; free((char *) cube.squares); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % Q u a n t i z e I m a g e s % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % QuantizeImages analyzes the colors within a set of reference images and % chooses a fixed number of colors to represent the set. The goal of the % algorithm is to minimize the difference between the input and output images % while minimizing the processing time. % % The format of the QuantizeImages routine is: % % QuantizeImages(images,number_images,number_colors,tree_depth,dither) % % A description of each parameter follows: % % o images: Specifies a pointer to a set of Image structures. % % o number_images: Specifies an unsigned integer representing the number % images in the image set. % % o number_colors: This integer value indicates the maximum number of % colors in the quantized image or colormap. The actual number of colors % allocated to the colormap may be less than this value, but never more. % % o tree_depth: Normally, this integer value is zero or one. A zero or % one tells QUANTIZE to choose a optimal tree depth. An optimal depth % generally allows the best representation of the reference image with the % fastest computational speed and the least amount of memory. However, % the default depth is inappropriate for some images. To assure the best % representation, try values between 2 and 8 for this parameter. % % o dither: Set this integer value to something other than zero to % dither the quantized image. The basic strategy of dithering is to % trade intensity resolution for spatial resolution by averaging the % intensities of several neighboring pixels. Images which suffer % from severe contouring when quantized can be improved with the % technique of dithering. Severe contouring generally occurs when % quantizing to very few colors, or to a poorly-chosen colormap. % Note, dithering is a computationally expensive process and will % increase processing time significantly. % % o colorspace: An unsigned integer value that indicates the colorspace. % Empirical evidence suggests that distances in YUV or YIQ correspond to % perceptual color differences more closely than do distances in RGB % space. The image is then returned to RGB colorspace after color % reduction. % % */ void QuantizeImages(images,number_images,number_colors,tree_depth,dither, colorspace) Image **images; unsigned int number_images; unsigned int number_colors, tree_depth, dither, colorspace; { int depth; Nodes *nodes; register unsigned int i; if (number_colors == 0) number_colors=1; if (number_colors > MaxColormapSize) number_colors=MaxColormapSize; depth=tree_depth; if (depth == 0) { int pseudo_class; unsigned int colors; /* Depth of color classification tree is: Log4(colormap size)+2. */ colors=number_colors; for (depth=1; colors != 0; depth++) colors>>=2; if (dither) depth--; pseudo_class=True; for (i=0; i < number_images; i++) pseudo_class|=(images[i]->class == PseudoClass); if (pseudo_class) depth+=2; } if (dither && (depth > 6)) depth=6; /* Reduce the number of colors in the continuous tone image sequence. */ InitializeCube(depth); for (i=0; i < number_images; i+=Max((number_images+16) >> 5,1)) { if (images[i]->packets == (images[i]->columns*images[i]->rows)) CompressImage(images[i]); if (colorspace != RGBColorspace) RGBTransformImage(images[i],colorspace); Classification(images[i]); } Reduction(number_colors); for (i=0; i < number_images; i++) { Assignment(images[i],number_colors,dither,colorspace); if (colorspace != RGBColorspace) TransformRGBImage(images[i],colorspace); } /* Release color cube tree storage. */ do { nodes=cube.node_queue->next; free((char *) cube.node_queue); cube.node_queue=nodes; } while (cube.node_queue != (Nodes *) NULL); cube.squares-=MaxRGB; free((char *) cube.squares); } map[p->index].green; distance_squared+=cube.squares[distan./ImageMagick/magick/widget.c010064400000240000024000011056240602164600300171570ustar00cristycristy00002330000007/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % % % W W IIIII DDDD GGGG EEEEE TTTTT % % W W I D D G E T % % W W W I D D G GG EEE T % % WW WW I D D G G E T % % W W IIIII DDDD GGGG EEEEE T % % % % X11 User Interface Routines for ImageMagick. % % % % % % Software Design % % John Cristy % % September 1993 % % % % % % Copyright 1995 E. I. du Pont de Nemours and Company % % % % Permission to use, copy, modify, distribute, and sell this software and % % its documentation for any purpose is hereby granted without fee, % % provided that the above Copyright notice appear in all copies and that % % both that Copyright notice and this permission notice appear in % % supporting documentation, and that the name of E. I. du Pont de Nemours % % and Company not be used in advertising or publicity pertaining to % % distribution of the software without specific, written prior % % permission. E. I. du Pont de Nemours and Company makes no representations % % about the suitability of this software for any purpose. It is provided % % "as is" without express or implied warranty. % % % % E. I. du Pont de Nemours and Company disclaims all warranties with regard % % to this software, including all implied warranties of merchantability % % and fitness, in no event shall E. I. du Pont de Nemours and Company be % % liable for any special, indirect or consequential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, negligence or other tortuous action, arising % % out of or in connection with the use or performance of this software. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ /* Include declarations. */ #include "magick.h" #include "image.h" #include "utility.h" #include "X.h" #include "widget.h" #include "PreRvIcccm.h" /* Define declarations. */ #define AreaIsActive(matte_info,position) \ ((position.y >= (matte_info.y-matte_info.bevel_width)) && \ (position.y < (matte_info.y+matte_info.height+matte_info.bevel_width))) #define MatteIsActive(matte_info,position) \ ((position.x >= (matte_info.x-matte_info.bevel_width)) && \ (position.y >= (matte_info.y-matte_info.bevel_width)) && \ (position.x < (matte_info.x+matte_info.width+matte_info.bevel_width)) && \ (position.y < (matte_info.y+matte_info.height+matte_info.bevel_width))) #define WindowIsActive(window_info,position) \ ((position.x >= 0) && (position.y >= 0) && \ (position.x < window_info.width) && (position.y < window_info.height)) /* State declarations. */ #define ControlState 0x0001 #define DefaultState 0x0000 #define ExitState 0x0002 #define InactiveWidgetState 0x0004 #define MaxTextWidth (80*XTextWidth(font_info,"_",1)) #define MinTextWidth (26*XTextWidth(font_info,"_",1)) #define QuantumMargin Max(font_info->max_bounds.width,12) #define RedrawActionState 0x0008 #define RedrawListState 0x0010 #define RedrawWidgetState 0x0020 #define UpdateConfigurationState 0x0040 #define UpdateListState 0x0080 /* Variable declarations. */ static XWidgetInfo submenu_info = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, NULL, NULL }, toggle_info = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, NULL, NULL }; /* Forward declarations. */ static int FontCompare _Declare((const void *,const void *)), XScreenEvent _Declare((Display *,XEvent *, char *)); static void XDrawMatte _Declare((Display *,XWindowInfo *,XWidgetInfo *)), XSetBevelColor _Declare((Display *,XWindowInfo *,unsigned int)), XSetMatteColor _Declare((Display *,XWindowInfo *,unsigned int)), XSetTextColor _Declare((Display *,XWindowInfo *,unsigned int)); /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X D r a w B e v e l % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XDrawBevel "sets off" an area with a highlighted upper and % left bevel and a shadowed lower and right bevel. The highlighted and % shadowed bevels create a 3-D effect. % % The format of the XDrawBevel function is: % % XDrawBevel(display,window_info,bevel_info) % % A description of each parameter follows: % % o display: Specifies a pointer to the Display structure; returned from % XOpenDisplay. % % o window_info: Specifies a pointer to a X11 XWindowInfo structure. % % o bevel_info: Specifies a pointer to a XWidgetInfo structure. It % contains the extents of the bevel. % % */ static void XDrawBevel(display,window_info,bevel_info) Display *display; XWindowInfo *window_info; XWidgetInfo *bevel_info; { int x1, x2, y1, y2; unsigned int bevel_width; XPoint points[6]; /* Draw upper and left beveled border. */ x1=bevel_info->x; y1=bevel_info->y+bevel_info->height; x2=bevel_info->x+bevel_info->width; y2=bevel_info->y; bevel_width=bevel_info->bevel_width; points[0].x=x1; points[0].y=y1; points[1].x=x1; points[1].y=y2; points[2].x=x2; points[2].y=y2; points[3].x=x2+bevel_width; points[3].y=y2-bevel_width; points[4].x=x1-bevel_width; points[4].y=y2-bevel_width; points[5].x=x1-bevel_width; points[5].y=y1+bevel_width; XSetBevelColor(display,window_info,bevel_info->raised); XFillPolygon(display,window_info->id,window_info->widget_context,points,6, Complex,CoordModeOrigin); /* Draw lower and right beveled border. */ points[0].x=x1; points[0].y=y1; points[1].x=x2; points[1].y=y1; points[2].x=x2; points[2].y=y2; points[3].x=x2+bevel_width; points[3].y=y2-bevel_width; points[4].x=x2+bevel_width; points[4].y=y1+bevel_width; points[5].x=x1-bevel_width; points[5].y=y1+bevel_width; XSetBevelColor(display,window_info,(unsigned int) !bevel_info->raised); XFillPolygon(display,window_info->id,window_info->widget_context,points,6, Complex,CoordModeOrigin); XSetFillStyle(display,window_info->widget_context,FillSolid); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X D r a w B e v e l e d B u t t o n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XDrawBeveledButton draws a button with a highlighted upper and % left bevel and a shadowed lower and right bevel. The highlighted and % shadowed bevels create a 3-D effect. % % The format of the XDrawBeveledButton function is: % % XDrawBeveledButton(display,window_info,button_info) % % A description of each parameter follows: % % o display: Specifies a pointer to the Display structure; returned from % XOpenDisplay. % % o window_info: Specifies a pointer to a X11 XWindowInfo structure. % % o button_info: Specifies a pointer to a XWidgetInfo structure. It % contains the extents of the button. % % */ static void XDrawBeveledButton(display,window_info,button_info) Display *display; XWindowInfo *window_info; XWidgetInfo *button_info; { int x, y; unsigned int width; XFontStruct *font_info; XRectangle crop_info; /* Draw matte. */ XDrawBevel(display,window_info,button_info); XSetMatteColor(display,window_info,button_info->raised); XFillRectangle(display,window_info->id,window_info->widget_context, button_info->x,button_info->y,button_info->width,button_info->height); x=button_info->x-button_info->bevel_width-1; y=button_info->y-button_info->bevel_width-1; XSetForeground(display,window_info->widget_context, window_info->pixel_info->trough_color.pixel); if (button_info->raised || (window_info->depth == 1)) XDrawRectangle(display,window_info->id,window_info->widget_context,x,y, button_info->width+(button_info->bevel_width << 1)+1,button_info->height+ (button_info->bevel_width << 1)+1); if (button_info->text == (char *) NULL) return; /* Set cropping region. */ crop_info.width=button_info->width; crop_info.height=button_info->height; crop_info.x=button_info->x; crop_info.y=button_info->y; /* Draw text. */ font_info=window_info->font_info; width=XTextWidth(font_info,button_info->text,strlen(button_info->text)); x=button_info->x+(QuantumMargin >> 1); if (button_info->center) x=button_info->x+(button_info->width >> 1)-(width >> 1); y=button_info->y+((button_info->height- (font_info->ascent+font_info->descent)) >> 1)+ window_info->font_info->ascent; if (button_info->width == (QuantumMargin >> 1)) { /* Option button-- write label to right of button. */ XSetTextColor(display,window_info,True); x=button_info->x+button_info->width+button_info->bevel_width+ (QuantumMargin >> 1); XDrawString(display,window_info->id,window_info->widget_context,x,y, button_info->text,strlen(button_info->text)); return; } XSetClipRectangles(display,window_info->widget_context,0,0,&crop_info,1, Unsorted); XSetTextColor(display,window_info,button_info->raised); XDrawString(display,window_info->id,window_info->widget_context,x,y, button_info->text,strlen(button_info->text)); XSetClipMask(display,window_info->widget_context,None); if (!button_info->raised) XDelay(display,SuspendTime << 2); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X D r a w B e v e l e d M a t t e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XDrawBeveledMatte draws a matte with a shadowed upper and % left bevel and a highlighted lower and right bevel. The highlighted and % shadowed bevels create a 3-D effect. % % The format of the XDrawBeveledMatte function is: % % XDrawBeveledMatte(display,window_info,matte_info) % % A description of each parameter follows: % % o display: Specifies a pointer to the Display structure; returned from % XOpenDisplay. % % o window_info: Specifies a pointer to a X11 XWindowInfo structure. % % o matte_info: Specifies a pointer to a XWidgetInfo structure. It % contains the extents of the matte. % % */ static void XDrawBeveledMatte(display,window_info,matte_info) Display *display; XWindowInfo *window_info; XWidgetInfo *matte_info; { /* Draw matte. */ XDrawBevel(display,window_info,matte_info); XDrawMatte(display,window_info,matte_info); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X D r a w M a t t e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XDrawMatte fills a rectangular area with the matte color. % % The format of the XDrawMatte function is: % % XDrawMatte(display,window_info,matte_info) % % A description of each parameter follows: % % o display: Specifies a pointer to the Display structure; returned from % XOpenDisplay. % % o window_info: Specifies a pointer to a X11 XWindowInfo structure. % % o matte_info: Specifies a pointer to a XWidgetInfo structure. It % contains the extents of the matte. % % */ static void XDrawMatte(display,window_info,matte_info) Display *display; XWindowInfo *window_info; XWidgetInfo *matte_info; { /* Draw matte. */ if (!matte_info->trough || (window_info->depth == 1)) XFillRectangle(display,window_info->id,window_info->highlight_context, matte_info->x,matte_info->y,matte_info->width,matte_info->height); else { XSetForeground(display,window_info->widget_context, window_info->pixel_info->trough_color.pixel); XFillRectangle(display,window_info->id,window_info->widget_context, matte_info->x,matte_info->y,matte_info->width,matte_info->height); } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X D r a w M a t t e T e x t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XDrawMatteText draws a matte with text. If the text exceeds the % extents of the text, a portion of the text relative to the cursor is % displayed. % % The format of the XDrawMatteText function is: % % XDrawMatteText(display,window_info,text_info) % % A description of each parameter follows: % % o display: Specifies a pointer to the Display structure; returned from % XOpenDisplay. % % o window_info: Specifies a pointer to a X11 XWindowInfo structure. % % o text_info: Specifies a pointer to a XWidgetInfo structure. It % contains the extents of the text. % % */ static void XDrawMatteText(display,window_info,text_info) Display *display; XWindowInfo *window_info; XWidgetInfo *text_info; { char *text; int x, y; register int i; unsigned int height, width; XFontStruct *font_info; XRectangle crop_info; /* Clear the text area. */ XSetMatteColor(display,window_info,False); XFillRectangle(display,window_info->id,window_info->widget_context, text_info->x,text_info->y,text_info->width,text_info->height); if (text_info->text == (char *) NULL) return; XSetTextColor(display,window_info,text_info->highlight); font_info=window_info->font_info; x=text_info->x+(QuantumMargin >> 2); y=text_info->y+font_info->ascent+(text_info->height >> 2); width=text_info->width-(QuantumMargin >> 1); height=font_info->ascent+font_info->descent; if (*text_info->text == '\0') { /* No text-- just draw cursor. */ XDrawLine(display,window_info->id,window_info->annotate_context,x,y+3, x,y-height+3); return; } /* Set cropping region. */ crop_info.width=text_info->width; crop_info.height=text_info->height; crop_info.x=text_info->x; crop_info.y=text_info->y; /* Determine beginning of the visible text. */ if (text_info->cursor < text_info->marker) text_info->marker=text_info->cursor; else { text=text_info->marker; if (XTextWidth(font_info,text,text_info->cursor-text) > width) { text=text_info->text; for (i=0; i < (int) strlen(text); i++) if (XTextWidth(font_info,text+i,text_info->cursor-text-i) <= width) break; text_info->marker=text+i; } } /* Draw text and cursor. */ if (!text_info->highlight) { XSetClipRectangles(display,window_info->widget_context,0,0,&crop_info,1, Unsorted); XDrawString(display,window_info->id,window_info->widget_context,x,y, text_info->marker,strlen(text_info->marker)); XSetClipMask(display,window_info->widget_context,None); } else { XSetClipRectangles(display,window_info->annotate_context,0,0,&crop_info, 1,Unsorted); width=XTextWidth(font_info,text_info->marker,strlen(text_info->marker)); XFillRectangle(display,window_info->id,window_info->annotate_context,x, y-font_info->ascent,width,height); XSetClipMask(display,window_info->annotate_context,None); XSetClipRectangles(display,window_info->highlight_context,0,0,&crop_info, 1,Unsorted); XDrawString(display,window_info->id,window_info->highlight_context,x,y, text_info->marker,strlen(text_info->marker)); XSetClipMask(display,window_info->highlight_context,None); } x+= XTextWidth(font_info,text_info->marker,text_info->cursor-text_info->marker); XDrawLine(display,window_info->id,window_info->annotate_context,x,y+3, x,y-height+3); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X D r a w T r i a n g l e E a s t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XDrawTriangleEast draws a triangle with a highlighted left % bevel and a shadowed right and lower bevel. The highlighted and % shadowed bevels create a 3-D effect. % % The format of the XDrawTriangleEast function is: % % XDrawTriangleEast(display,window_info,triangle_info) % % A description of each parameter follows: % % o display: Specifies a pointer to the Display structure; returned from % XOpenDisplay. % % o window_info: Specifies a pointer to a X11 XWindowInfo structure. % % o triangle_info: Specifies a pointer to a XWidgetInfo structure. It % contains the extents of the triangle. % % */ static void XDrawTriangleEast(display,window_info,triangle_info) Display *display; XWindowInfo *window_info; XWidgetInfo *triangle_info; { int x1, x2, x3, y1, y2, y3; unsigned int bevel_width; XPoint points[4]; /* Draw triangle matte. */ x1=triangle_info->x; y1=triangle_info->y; x2=triangle_info->x+triangle_info->width; y2=triangle_info->y+(triangle_info->height >> 1); x3=triangle_info->x; y3=triangle_info->y+triangle_info->height; bevel_width=triangle_info->bevel_width; points[0].x=x1; points[0].y=y1; points[1].x=x2; points[1].y=y2; points[2].x=x3; points[2].y=y3; XSetMatteColor(display,window_info,triangle_info->raised); XFillPolygon(display,window_info->id,window_info->widget_context,points,3, Complex,CoordModeOrigin); /* Draw bottom bevel. */ points[0].x=x2; points[0].y=y2; points[1].x=x3; points[1].y=y3; points[2].x=x3-bevel_width; points[2].y=y3+bevel_width; points[3].x=x2+bevel_width; points[3].y=y2; XSetBevelColor(display,window_info,(unsigned int) !triangle_info->raised); XFillPolygon(display,window_info->id,window_info->widget_context,points,4, Complex,CoordModeOrigin); /* Draw Left bevel. */ points[0].x=x3; points[0].y=y3; points[1].x=x1; points[1].y=y1; points[2].x=x1-bevel_width+1; points[2].y=y1-bevel_width; points[3].x=x3-bevel_width+1; points[3].y=y3+bevel_width; XSetBevelColor(display,window_info,triangle_info->raised); XFillPolygon(display,window_info->id,window_info->widget_context,points,4, Complex,CoordModeOrigin); /* Draw top bevel. */ points[0].x=x1; points[0].y=y1; points[1].x=x2; points[1].y=y2; points[2].x=x2+bevel_width; points[2].y=y2; points[3].x=x1-bevel_width; points[3].y=y1-bevel_width; XFillPolygon(display,window_info->id,window_info->widget_context,points,4, Complex,CoordModeOrigin); XSetFillStyle(display,window_info->widget_context,FillSolid); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X D r a w T r i a n g l e N o r t h % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XDrawTriangleNorth draws a triangle with a highlighted left % bevel and a shadowed right and lower bevel. The highlighted and % shadowed bevels create a 3-D effect. % % The format of the XDrawTriangleNorth function is: % % XDrawTriangleNorth(display,window_info,triangle_info) % % A description of each parameter follows: % % o display: Specifies a pointer to the Display structure; returned from % XOpenDisplay. % % o window_info: Specifies a pointer to a X11 XWindowInfo structure. % % o triangle_info: Specifies a pointer to a XWidgetInfo structure. It % contains the extents of the triangle. % % */ static void XDrawTriangleNorth(display,window_info,triangle_info) Display *display; XWindowInfo *window_info; XWidgetInfo *triangle_info; { int x1, x2, x3, y1, y2, y3; unsigned int bevel_width; XPoint points[4]; /* Draw triangle matte. */ x1=triangle_info->x; y1=triangle_info->y+triangle_info->height; x2=triangle_info->x+(triangle_info->width >> 1); y2=triangle_info->y; x3=triangle_info->x+triangle_info->width; y3=triangle_info->y+triangle_info->height; bevel_width=triangle_info->bevel_width; points[0].x=x1; points[0].y=y1; points[1].x=x2; points[1].y=y2; points[2].x=x3; points[2].y=y3; XSetMatteColor(display,window_info,triangle_info->raised); XFillPolygon(display,window_info->id,window_info->widget_context,points,3, Complex,CoordModeOrigin); /* Draw left bevel. */ points[0].x=x1; points[0].y=y1; points[1].x=x2; points[1].y=y2; points[2].x=x2; points[2].y=y2-bevel_width-2; points[3].x=x1-bevel_width-1; points[3].y=y1+bevel_width; XSetBevelColor(display,window_info,triangle_info->raised); XFillPolygon(display,window_info->id,window_info->widget_context,points,4, Complex,CoordModeOrigin); /* Draw right bevel. */ points[0].x=x2; points[0].y=y2; points[1].x=x3; points[1].y=y3; points[2].x=x3+bevel_width; points[2].y=y3+bevel_width; points[3].x=x2; points[3].y=y2-bevel_width; XSetBevelColor(display,window_info,(unsigned int) !triangle_info->raised); XFillPolygon(display,window_info->id,window_info->widget_context,points,4, Complex,CoordModeOrigin); /* Draw lower bevel. */ points[0].x=x3; points[0].y=y3; points[1].x=x1; points[1].y=y1; points[2].x=x1-bevel_width; points[2].y=y1+bevel_width; points[3].x=x3+bevel_width; points[3].y=y3+bevel_width; XFillPolygon(display,window_info->id,window_info->widget_context,points,4, Complex,CoordModeOrigin); XSetFillStyle(display,window_info->widget_context,FillSolid); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X D r a w T r i a n g l e S o u t h % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XDrawTriangleSouth draws a border with a highlighted left and % right bevel and a shadowed lower bevel. The highlighted and shadowed % bevels create a 3-D effect. % % The format of the XDrawTriangleSouth function is: % % XDrawTriangleSouth(display,window_info,triangle_info) % % A description of each parameter follows: % % o display: Specifies a pointer to the Display structure; returned from % XOpenDisplay. % % o window_info: Specifies a pointer to a X11 XWindowInfo structure. % % o triangle_info: Specifies a pointer to a XWidgetInfo structure. It % contains the extents of the triangle. % % */ static void XDrawTriangleSouth(display,window_info,triangle_info) Display *display; XWindowInfo *window_info; XWidgetInfo *triangle_info; { int x1, x2, x3, y1, y2, y3; unsigned int bevel_width; XPoint points[4]; /* Draw triangle matte. */ x1=triangle_info->x; y1=triangle_info->y; x2=triangle_info->x+(triangle_info->width >> 1); y2=triangle_info->y+triangle_info->height; x3=triangle_info->x+triangle_info->width; y3=triangle_info->y; bevel_width=triangle_info->bevel_width; points[0].x=x1; points[0].y=y1; points[1].x=x2; points[1].y=y2; points[2].x=x3; points[2].y=y3; XSetMatteColor(display,window_info,triangle_info->raised); XFillPolygon(display,window_info->id,window_info->widget_context,points,3, Complex,CoordModeOrigin); /* Draw top bevel. */ points[0].x=x3; points[0].y=y3; points[1].x=x1; points[1].y=y1; points[2].x=x1-bevel_width; points[2].y=y1-bevel_width; points[3].x=x3+bevel_width; points[3].y=y3-bevel_width; XSetBevelColor(display,window_info,triangle_info->raised); XFillPolygon(display,window_info->id,window_info->widget_context,points,4, Complex,CoordModeOrigin); /* Draw right bevel. */ points[0].x=x2; points[0].y=y2; points[1].x=x3+1; points[1].y=y3-bevel_width; points[2].x=x3+bevel_width; points[2].y=y3-bevel_width; points[3].x=x2; points[3].y=y2+bevel_width; XSetBevelColor(display,window_info,(unsigned int) !triangle_info->raised); XFillPolygon(display,window_info->id,window_info->widget_context,points,4, Complex,CoordModeOrigin); /* Draw left bevel. */ points[0].x=x1; points[0].y=y1; points[1].x=x2; points[1].y=y2; points[2].x=x2; points[2].y=y2+bevel_width; points[3].x=x1-bevel_width; points[3].y=y1-bevel_width; XSetBevelColor(display,window_info,triangle_info->raised); XFillPolygon(display,window_info->id,window_info->widget_context,points,4, Complex,CoordModeOrigin); XSetFillStyle(display,window_info->widget_context,FillSolid); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X D r a w W i d g e t T e x t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XDrawWidgetText first clears the widget and draws a text string % justifed left (or center) in the x-direction and centered within the % y-direction. % % The format of the XDrawWidgetText function is: % % XDrawWidgetText(display,window_info,text_info) % % A description of each parameter follows: % % o display: Specifies a pointer to the Display structure; returned from % XOpenDisplay. % % o window_info: Specifies a pointer to a XWindowText structure. % % o text_info: Specifies a pointer to XWidgetInfo structure. % % */ static void XDrawWidgetText(display,window_info,text_info) Display *display; XWindowInfo *window_info; XWidgetInfo *text_info; { GC widget_context; int x, y; unsigned int height, width; XFontStruct *font_info; XRectangle crop_info; /* Clear the text area. */ widget_context=window_info->annotate_context; if (text_info->raised) XClearArea(display,window_info->id,text_info->x,text_info->y, text_info->width,text_info->height,False); else { XFillRectangle(display,window_info->id,widget_context,text_info->x, text_info->y,text_info->width,text_info->height); widget_context=window_info->highlight_context; } if (text_info->text == (char *) NULL) return; if (*text_info->text == '\0') return; /* Set cropping region. */ font_info=window_info->font_info; crop_info.width=text_info->width; crop_info.height=text_info->height; crop_info.x=text_info->x; crop_info.y=text_info->y; /* Draw text. */ width=XTextWidth(font_info,text_info->text,strlen(text_info->text)); x=text_info->x+(QuantumMargin >> 1); if (text_info->center) x=text_info->x+(text_info->width >> 1)-(width >> 1); if (width > (text_info->width-QuantumMargin)) x+=(text_info->width-QuantumMargin-width); height=font_info->ascent+font_info->descent; y=text_info->y+((text_info->height-height) >> 1)+font_info->ascent; XSetClipRectangles(display,widget_context,0,0,&crop_info,1,Unsorted); XDrawString(display,window_info->id,widget_context,x,y, text_info->text,strlen(text_info->text)); XSetClipMask(display,widget_context,None); if (x < text_info->x) XDrawLine(display,window_info->id,window_info->annotate_context, text_info->x,text_info->y,text_info->x,text_info->y+text_info->height-1); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X E d i t T e x t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XEditText edits a text string as indicated by the key symbol. % % The format of the XEditText function is: % % XEditText(display,text_info,key_symbol,text,state) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o text_info: Specifies a pointer to a XWidgetInfo structure. It % contains the extents of the text. % % o key_symbol: A X11 KeySym that indicates what editing function to % perform to the text. % % o text: A character string to insert into the text. % % o state: An unsigned long that indicates whether the key symbol is a % control character or not. % % */ static void XEditText(display,text_info,key_symbol,text,state) Display *display; XWidgetInfo *text_info; KeySym key_symbol; char *text; unsigned long state; { switch (key_symbol) { case XK_BackSpace: case XK_Delete: { /* Erase one character. */ if (text_info->cursor != text_info->text) { text_info->cursor--; (void) strcpy(text_info->cursor,text_info->cursor+1); text_info->highlight=False; break; } } case XK_Left: case XK_KP_Left: { /* Move cursor one position left. */ if (text_info->cursor == text_info->text) break; text_info->cursor--; break; } case XK_Right: case XK_KP_Right: { /* Move cursor one position right. */ if (text_info->cursor == (text_info->text+strlen(text_info->text))) break; text_info->cursor++; break; } default: { register char *p, *q; register int i; if (state & ControlState) break; if (*text == '\0') break; if (((int) strlen(text_info->text)+1) >= MaxTextLength) XBell(display,0); else { /* Insert a string into the text. */ if (text_info->highlight) { /* Erase the entire line of text. */ *text_info->text='\0'; text_info->cursor=text_info->text; text_info->marker=text_info->text; text_info->highlight=False; } q=text_info->text+strlen(text_info->text)+strlen(text); for (i=0; i <= (int) strlen(text_info->cursor); i++) { *q=(*(q-strlen(text))); q--; } p=text; for (i=0; i < (int) strlen(text); i++) *text_info->cursor++=(*p++); } break; } } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X G e t W i d g e t I n f o % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XGetWidgetInfo initializes the XWidgetInfo structure. % % The format of the XGetWidgetInfo function is: % % XGetWidgetInfo(text,widget_info) % % A description of each parameter follows: % % o text: A string of characters associated with the widget. % % o widget_info: Specifies a pointer to a X11 XWidgetInfo structure. % % */ static void XGetWidgetInfo(text,widget_info) char *text; XWidgetInfo *widget_info; { /* Initialize widget info. */ widget_info->id=(~0); widget_info->bevel_width=3; widget_info->width=1; widget_info->height=1; widget_info->x=0; widget_info->y=0; widget_info->min_y=0; widget_info->max_y=0; widget_info->raised=True; widget_info->active=False; widget_info->center=True; widget_info->trough=False; widget_info->highlight=False; widget_info->text=text; widget_info->cursor=text; if (text != (char *) NULL) widget_info->cursor+=strlen(text); widget_info->marker=text; } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X H i g h l i g h t W i d g e t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XHighlightWidget draws a highlighted border around a window. % % The format of the XHighlightWidget function is: % % XHighlightWidget(display,window_info,x,y) % % A description of each parameter follows: % % o display: Specifies a pointer to the Display structure; returned from % XOpenDisplay. % % o window_info: Specifies a pointer to a X11 XWindowInfo structure. % % o x: Specifies an integer representing the rectangle offset in the % x-direction. % % o y: Specifies an integer representing the rectangle offset in the % y-direction. % % */ static void XHighlightWidget(display,window_info,x,y) Display *display; XWindowInfo *window_info; int x, y; { /* Draw the widget highlighting rectangle. */ XSetBevelColor(display,window_info,True); XDrawRectangle(display,window_info->id,window_info->widget_context,x,y, window_info->width-(x << 1),window_info->height-(y << 1)); XDrawRectangle(display,window_info->id,window_info->widget_context,x-1,y-1, window_info->width-(x << 1)+1,window_info->height-(y << 1)+1); XSetBevelColor(display,window_info,False); XDrawRectangle(display,window_info->id,window_info->widget_context,x-1,y-1, window_info->width-(x << 1),window_info->height-(y << 1)); XSetFillStyle(display,window_info->widget_context,FillSolid); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X S c r e e n E v e n t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XScreenEvent returns True if the any event on the X server queue % is associated with the widget window. % % The format of the XScreenEvent function is: % % XScreenEvent(display,event,data) % % A description of each parameter follows: % % o display: Specifies a pointer to the Display structure; returned from % XOpenDisplay. % % o event: Specifies a pointer to a X11 XEvent structure. % % o data: Specifies a pointer to a XWindows structure. % % */ static int XScreenEvent(display,event,data) Display *display; XEvent *event; char *data; { XWindows *windows; windows=(XWindows *) data; if (event->xany.window == windows->popup.id) { if (event->type == MapNotify) windows->popup.mapped=True; if (event->type == UnmapNotify) windows->popup.mapped=False; return(True); } if (event->xany.window == windows->widget.id) { if (event->type == MapNotify) windows->widget.mapped=True; if (event->type == UnmapNotify) windows->widget.mapped=False; return(True); } switch (event->type) { case ButtonPress: { if ((event->xbutton.button == Button3) && (event->xbutton.state & Mod1Mask)) { /* Convert Alt-Button3 to Button2. */ event->xbutton.button=Button2; event->xbutton.state&=(~Mod1Mask); } return(True); } case Expose: { if (event->xexpose.window == windows->image.id) { XRefreshWindow(display,&windows->image,event); break; } if (event->xexpose.window == windows->magnify.id) if (event->xexpose.count == 0) if (windows->magnify.mapped) { XMakeMagnifyImage(display,windows); break; } if (event->type == Expose) { (void) XCommandWidget(display,windows,(char **) NULL,event); break; } break; } case FocusOut: { /* Set input focus for backdrop window. */ if (event->xfocus.window == windows->image.id) XSetInputFocus(display,windows->image.id,RevertToNone,CurrentTime); return(True); } case ButtonRelease: case KeyPress: case KeyRelease: case MotionNotify: case SelectionNotify: return(True); default: break; } return(False); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X S e t B e v e l C o l o r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XSetBevelColor sets the graphic context for drawing a beveled % border. % % The format of the XSetBevelColor function is: % % XSetBevelColor(display,window_info,raised) % % A description of each parameter follows: % % o display: Specifies a pointer to the Display structure; returned from % XOpenDisplay. % % o window_info: Specifies a pointer to a X11 XWindowInfo structure. % % o raised: A value other than zero indicates the color show be a % "highlight" color, otherwise the "shadow" color is set. % % */ static void XSetBevelColor(display,window_info,raised) Display *display; XWindowInfo *window_info; unsigned int raised; { if (window_info->depth == 1) { Pixmap stipple; /* Monochrome window. */ XSetBackground(display,window_info->widget_context, XBlackPixel(display,window_info->screen)); XSetForeground(display,window_info->widget_context, XWhitePixel(display,window_info->screen)); XSetFillStyle(display,window_info->widget_context,FillOpaqueStippled); stipple=window_info->highlight_stipple; if (!raised) stipple=window_info->shadow_stipple; XSetStipple(display,window_info->widget_context,stipple); } else if (raised) XSetForeground(display,window_info->widget_context, window_info->pixel_info->highlight_color.pixel); else XSetForeground(display,window_info->widget_context, window_info->pixel_info->shadow_color.pixel); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X S e t M a t t e C o l o r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XSetMatteColor sets the graphic context for drawing the matte. % % The format of the XSetMatteColor function is: % % XSetMatteColor(display,window_info,raised) % % A description of each parameter follows: % % o display: Specifies a pointer to the Display structure; returned from % XOpenDisplay. % % o window_info: Specifies a pointer to a X11 XWindowInfo structure. % % o raised: A value other than zero indicates the matte is active. % % */ static void XSetMatteColor(display,window_info,raised) Display *display; XWindowInfo *window_info; unsigned int raised; { if (window_info->depth == 1) { /* Monochrome window. */ if (raised) XSetForeground(display,window_info->widget_context, XWhitePixel(display,window_info->screen)); else XSetForeground(display,window_info->widget_context, XBlackPixel(display,window_info->screen)); } else if (raised) XSetForeground(display,window_info->widget_context, window_info->pixel_info->matte_color.pixel); else XSetForeground(display,window_info->widget_context, window_info->pixel_info->depth_color.pixel); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X S e t T e x t C o l o r % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XSetTextColor sets the graphic context for drawing text on a % matte. % % The format of the XSetTextColor function is: % % XSetTextColor(display,window_info,raised) % % A description of each parameter follows: % % o display: Specifies a pointer to the Display structure; returned from % XOpenDisplay. % % o window_info: Specifies a pointer to a X11 XWindowInfo structure. % % o raised: A value other than zero indicates the color show be a % "highlight" color, otherwise the "shadow" color is set. % % */ static void XSetTextColor(display,window_info,raised) Display *display; XWindowInfo *window_info; unsigned int raised; { int foreground, matte; if (window_info->depth == 1) { /* Monochrome window. */ if (raised) XSetForeground(display,window_info->widget_context, XBlackPixel(display,window_info->screen)); else XSetForeground(display,window_info->widget_context, XWhitePixel(display,window_info->screen)); return; } foreground=XDownScale(Intensity(window_info->pixel_info->foreground_color)); matte=XDownScale(Intensity(window_info->pixel_info->matte_color)); if (AbsoluteValue(foreground-matte) > (MaxRGB >> 3)) XSetForeground(display,window_info->widget_context, window_info->pixel_info->foreground_color.pixel); else XSetForeground(display,window_info->widget_context, window_info->pixel_info->background_color.pixel); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X C o l o r B r o w s e r W i d g e t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XColorBrowserWidget displays a Color Browser widget with a color % query to the user. The user keys a reply and presses the Action or Cancel % button to exit. The typed text is returned as the reply function parameter. % % The format of the XColorBrowserWidget routine is: % % XColorBrowserWidget(display,windows,action,reply) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o window: Specifies a pointer to a XWindows structure. % % o action: Specifies a pointer to the action of this widget. % % o reply: The response from the user is returned in this parameter. % % */ void XColorBrowserWidget(display,windows,action,reply) Display *display; XWindows *windows; char *action, *reply; { #define CancelButtonText "Cancel" #define ColornameText "Name:" #define ColorPatternText "Pattern:" #define GrabButtonText "Grab" #define ResetButtonText "Reset" char **colorlist, primary_selection[MaxTextLength], reset_pattern[MaxTextLength], text[MaxTextLength]; int colors, status, x, y; register int i; static char glob_pattern[MaxTextLength] = "*"; unsigned int height, text_width, visible_colors, width; unsigned long delay, state; XColor color; XEvent event; XFontStruct *font_info; XTextProperty window_name; XWidgetInfo action_info, cancel_info, expose_info, grab_info, list_info, mode_info, north_info, reply_info, reset_info, scroll_info, selection_info, slider_info, south_info, text_info; XWindowChanges window_changes; /* Get color list and sort in ascending order. */ XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); (void) strcpy(reset_pattern,"*"); colorlist=ListColors(glob_pattern,&colors); if (colorlist == (char **) NULL) { /* Pattern failed, obtain all the colors. */ (void) strcpy(glob_pattern,"*"); colorlist=ListColors(glob_pattern,&colors); if (colorlist == (char **) NULL) { XNoticeWidget(display,windows,"Unable to obtain colors names:", glob_pattern); XDialogWidget(display,windows,action,"Enter color name:",reply); return; } } /* Determine Color Browser widget attributes. */ font_info=windows->widget.font_info; text_width=0; for (i=0; i < colors; i++) if (XTextWidth(font_info,colorlist[i],strlen(colorlist[i])) > text_width) text_width=XTextWidth(font_info,colorlist[i],strlen(colorlist[i])); width=XTextWidth(font_info,action,strlen(action)); if (XTextWidth(font_info,CancelButtonText,strlen(CancelButtonText)) > width) width=XTextWidth(font_info,CancelButtonText,strlen(CancelButtonText)); if (XTextWidth(font_info,ResetButtonText,strlen(ResetButtonText)) > width) width=XTextWidth(font_info,ResetButtonText,strlen(ResetButtonText)); if (XTextWidth(font_info,GrabButtonText,strlen(GrabButtonText)) > width) width=XTextWidth(font_info,GrabButtonText,strlen(GrabButtonText)); width+=QuantumMargin; if (XTextWidth(font_info,ColorPatternText,strlen(ColorPatternText)) > width) width=XTextWidth(font_info,ColorPatternText,strlen(ColorPatternText)); if (XTextWidth(font_info,ColornameText,strlen(ColornameText)) > width) width=XTextWidth(font_info,ColornameText,strlen(ColornameText)); height=font_info->ascent+font_info->descent; /* Position Color Browser widget. */ windows->widget.width=width+Min(text_width,MaxTextWidth)+6*QuantumMargin; windows->widget.min_width=width+MinTextWidth+4*QuantumMargin; if (windows->widget.width < windows->widget.min_width) windows->widget.width=windows->widget.min_width; windows->widget.height=((81*height) >> 2)+((13*QuantumMargin) >> 1)+4; windows->widget.min_height=((23*height) >> 1)+((13*QuantumMargin) >> 1)+4; if (windows->widget.height < windows->widget.min_height) windows->widget.height=windows->widget.min_height; XQueryPosition(display,windows->widget.root,&x,&y); windows->widget.x=x-((3*windows->widget.width) >> 2); windows->widget.y=y-(windows->widget.height >> 1); XConstrainWindowPosition(display,&windows->widget); /* Map Color Browser widget. */ (void) strcpy(windows->widget.name,"Browse and Select a Color"); status=XStringListToTextProperty(&windows->widget.name,1,&window_name); if (status != 0) { XSetWMName(display,windows->widget.id,&window_name); XFree((void *) window_name.value); } window_changes.width=windows->widget.width; window_changes.height=windows->widget.height; window_changes.x=windows->widget.x; window_changes.y=windows->widget.y; XReconfigureWMWindow(display,windows->widget.id,windows->widget.screen, CWWidth | CWHeight | CWX | CWY,&window_changes); XMapRaised(display,windows->widget.id); windows->widget.mapped=False; /* Respond to X events. */ XGetWidgetInfo((char *) NULL,&slider_info); XGetWidgetInfo((char *) NULL,&north_info); XGetWidgetInfo((char *) NULL,&south_info); visible_colors=0; delay=SuspendTime << 2; state=UpdateConfigurationState; do { if (state & UpdateConfigurationState) { int id; /* Initialize button information. */ XGetWidgetInfo(CancelButtonText,&cancel_info); cancel_info.width=width; cancel_info.height=(3*height) >> 1; cancel_info.x=windows->widget.width-cancel_info.width-QuantumMargin-2; cancel_info.y=windows->widget.height-cancel_info.height-QuantumMargin; XGetWidgetInfo(action,&action_info); action_info.width=width; action_info.height=(3*height) >> 1; action_info.x=cancel_info.x-(cancel_info.width+(QuantumMargin >> 1)+ (action_info.bevel_width << 1)); action_info.y=cancel_info.y; XGetWidgetInfo(GrabButtonText,&grab_info); grab_info.width=width; grab_info.height=(3*height) >> 1; grab_info.x=QuantumMargin; grab_info.y=((5*QuantumMargin) >> 1)+height; XGetWidgetInfo(ResetButtonText,&reset_info); reset_info.width=width; reset_info.height=(3*height) >> 1; reset_info.x=QuantumMargin; reset_info.y=grab_info.y+grab_info.height+QuantumMargin; /* Initialize reply information. */ XGetWidgetInfo(reply,&reply_info); reply_info.raised=False; reply_info.bevel_width--; reply_info.width=windows->widget.width-width-((6*QuantumMargin) >> 1); reply_info.height=height << 1; reply_info.x=width+(QuantumMargin << 1); reply_info.y=action_info.y-reply_info.height-QuantumMargin; /* Initialize mode information. */ XGetWidgetInfo((char *) NULL,&mode_info); mode_info.active=True; mode_info.bevel_width=0; mode_info.width=action_info.x-reply_info.x-QuantumMargin; mode_info.height=action_info.height; mode_info.x=reply_info.x; mode_info.y=action_info.y; /* Initialize scroll information. */ XGetWidgetInfo((char *) NULL,&scroll_info); scroll_info.bevel_width--; scroll_info.width=height; scroll_info.height=reply_info.y-grab_info.y-(QuantumMargin >> 1); scroll_info.x=reply_info.x+(reply_info.width-scroll_info.width); scroll_info.y=grab_info.y-reply_info.bevel_width; scroll_info.raised=False; scroll_info.trough=True; north_info=scroll_info; north_info.raised=True; north_info.width-=(north_info.bevel_width << 1); north_info.height=north_info.width-1; north_info.x+=north_info.bevel_width; north_info.y+=north_info.bevel_width; south_info=north_info; south_info.y=scroll_info.y+scroll_info.height-scroll_info.bevel_width- south_info.height; id=slider_info.id; slider_info=north_info; slider_info.id=id; slider_info.width-=2; slider_info.min_y=north_info.y+north_info.height+north_info.bevel_width+ slider_info.bevel_width+2; slider_info.height= scroll_info.height-((slider_info.min_y-scroll_info.y+1) << 1)+2; visible_colors= (scroll_info.height-(height >> 3)-4)/((9*height) >> 3); if (colors > visible_colors) slider_info.height=(visible_colors*slider_info.height)/colors; slider_info.max_y=south_info.y-south_info.bevel_width- slider_info.bevel_width-2; slider_info.x=scroll_info.x+slider_info.bevel_width+1; slider_info.y=slider_info.min_y; expose_info=scroll_info; expose_info.y=slider_info.y; /* Initialize list information. */ XGetWidgetInfo((char *) NULL,&list_info); list_info.raised=False; list_info.bevel_width--; list_info.width=scroll_info.x-reply_info.x-(QuantumMargin >> 1); list_info.height=scroll_info.height; list_info.x=reply_info.x; list_info.y=scroll_info.y; if (!windows->widget.mapped) for (i=0; i < colors; i++) if (strcmp(colorlist[i],reply) == 0) list_info.id=i; /* Initialize text information. */ *text='\0'; XGetWidgetInfo(text,&text_info); text_info.center=False; text_info.width=reply_info.width; text_info.height=height; text_info.x=list_info.x-(QuantumMargin >> 1); text_info.y=QuantumMargin; /* Initialize selection information. */ XGetWidgetInfo((char *) NULL,&selection_info); selection_info.center=False; selection_info.width=list_info.width; selection_info.height=(9*height) >> 3; selection_info.x=list_info.x; state&=(~UpdateConfigurationState); } if (state & RedrawWidgetState) { /* Redraw Color Browser window. */ x=QuantumMargin; y=text_info.y+((text_info.height-height) >> 1)+font_info->ascent; XDrawString(display,windows->widget.id,windows->widget.annotate_context, x,y,ColorPatternText,strlen(ColorPatternText)); (void) sprintf(text_info.text,"%s",glob_pattern); XDrawWidgetText(display,&windows->widget,&text_info); XDrawBeveledButton(display,&windows->widget,&grab_info); XDrawBeveledButton(display,&windows->widget,&reset_info); XDrawBeveledMatte(display,&windows->widget,&list_info); XDrawBeveledMatte(display,&windows->widget,&scroll_info); XDrawTriangleNorth(display,&windows->widget,&north_info); XDrawBeveledButton(display,&windows->widget,&slider_info); XDrawTriangleSouth(display,&windows->widget,&south_info); x=QuantumMargin; y=reply_info.y+((reply_info.height-height) >> 1)+font_info->ascent; XDrawString(display,windows->widget.id,windows->widget.annotate_context, x,y,ColornameText,strlen(ColornameText)); XDrawBeveledMatte(display,&windows->widget,&reply_info); XDrawMatteText(display,&windows->widget,&reply_info); XDrawBeveledButton(display,&windows->widget,&action_info); XDrawBeveledButton(display,&windows->widget,&cancel_info); XHighlightWidget(display,&windows->widget,BorderOffset,BorderOffset); selection_info.id=(~0); state|=RedrawActionState; state|=RedrawListState; state&=(~RedrawWidgetState); } if (state & UpdateListState) { char **checklist; int number_colors; status=XParseColor(display,windows->widget.map_info->colormap, glob_pattern,&color); if (status != 0) { /* Reply is a single color name-- exit. */ (void) strcpy(reply,glob_pattern); (void) strcpy(glob_pattern,reset_pattern); action_info.raised=False; XDrawBeveledButton(display,&windows->widget,&action_info); break; } /* Update color list. */ checklist=ListColors(glob_pattern,&number_colors); if (number_colors == 0) { (void) strcpy(glob_pattern,reset_pattern); XBell(display,0); } else { for (i=0; i < colors; i++) free((char *) colorlist[i]); if (colorlist != (char **) NULL) free((char *) colorlist); colorlist=checklist; colors=number_colors; } /* Sort color list in ascending order. */ slider_info.height= scroll_info.height-((slider_info.min_y-scroll_info.y+1) << 1)+1; if (colors > visible_colors) slider_info.height=(visible_colors*slider_info.height)/colors; slider_info.max_y=south_info.y-south_info.bevel_width- slider_info.bevel_width-2; slider_info.id=0; slider_info.y=slider_info.min_y; expose_info.y=slider_info.y; selection_info.id=(~0); list_info.id=(~0); state|=RedrawListState; /* Redraw color name & reply. */ *reply_info.text='\0'; reply_info.cursor=reply_info.text; (void) sprintf(text_info.text,"%s",glob_pattern); XDrawWidgetText(display,&windows->widget,&text_info); XDrawMatteText(display,&windows->widget,&reply_info); XDrawBeveledMatte(display,&windows->widget,&scroll_info); XDrawTriangleNorth(display,&windows->widget,&north_info); XDrawBeveledButton(display,&windows->widget,&slider_info); XDrawTriangleSouth(display,&windows->widget,&south_info); XHighlightWidget(display,&windows->widget,BorderOffset,BorderOffset); state&=(~UpdateListState); } if (state & RedrawListState) { /* Determine slider id and position. */ if (slider_info.id >= (int) (colors-visible_colors)) slider_info.id=colors-visible_colors; if ((slider_info.id < 0) || (colors <= visible_colors)) slider_info.id=0; slider_info.y=slider_info.min_y; if (colors > 0) slider_info.y+= slider_info.id*(slider_info.max_y-slider_info.min_y+1)/colors; if (slider_info.id != selection_info.id) { /* Redraw scroll bar and file names. */ selection_info.id=slider_info.id; selection_info.y=list_info.y+(height >> 3)+2; for (i=0; i < visible_colors; i++) { selection_info.raised=(slider_info.id+i) != list_info.id; selection_info.text=(char *) NULL; if ((slider_info.id+i) < colors) selection_info.text=colorlist[slider_info.id+i]; XDrawWidgetText(display,&windows->widget,&selection_info); selection_info.y+=(int) selection_info.height; } /* Update slider. */ if (slider_info.y > expose_info.y) { expose_info.height=slider_info.y-expose_info.y; expose_info.y=slider_info.y-expose_info.height- slider_info.bevel_width-1; } else { expose_info.height=expose_info.y-slider_info.y; expose_info.y=slider_info.y+slider_info.height+ slider_info.bevel_width+1; } XDrawTriangleNorth(display,&windows->widget,&north_info); XDrawMatte(display,&windows->widget,&expose_info); XDrawBeveledButton(display,&windows->widget,&slider_info); XDrawTriangleSouth(display,&windows->widget,&south_info); expose_info.y=slider_info.y; } state&=(~RedrawListState); } if (state & RedrawActionState) { static char colorname[MaxTextLength]; /* Display the selected color in a drawing area. */ color=windows->widget.pixel_info->matte_color; (void) XParseColor(display,windows->widget.map_info->colormap, reply_info.text,&windows->widget.pixel_info->matte_color); XBestPixel(display,windows->widget.map_info->colormap,(XColor *) NULL, (unsigned int) windows->widget.visual_info->colormap_size, &windows->widget.pixel_info->matte_color); mode_info.text=colorname; (void) sprintf(mode_info.text,"#%02x%02x%02x", XDownScale(windows->widget.pixel_info->matte_color.red), XDownScale(windows->widget.pixel_info->matte_color.green), XDownScale(windows->widget.pixel_info->matte_color.blue)); XDrawBeveledButton(display,&windows->widget,&mode_info); windows->widget.pixel_info->matte_color=color; state&=(~RedrawActionState); } /* Wait for next event. */ if (north_info.raised && south_info.raised) XIfEvent(display,&event,XScreenEvent,(char *) windows); else { /* Brief delay before advancing scroll bar. */ XDelay(display,delay); delay=SuspendTime; XCheckIfEvent(display,&event,XScreenEvent,(char *) windows); if (!north_info.raised) if (slider_info.id > 0) { /* Move slider up. */ slider_info.id--; state|=RedrawListState; } if (!south_info.raised) if (slider_info.id < colors) { /* Move slider down. */ slider_info.id++; state|=RedrawListState; } if (event.type != ButtonRelease) continue; } switch (event.type) { case ButtonPress: { if (MatteIsActive(slider_info,event.xbutton)) { /* Track slider. */ slider_info.active=True; break; } if (MatteIsActive(north_info,event.xbutton)) if (slider_info.id > 0) { /* Move slider up. */ north_info.raised=False; slider_info.id--; state|=RedrawListState; break; } if (MatteIsActive(south_info,event.xbutton)) if (slider_info.id < colors) { /* Move slider down. */ south_info.raised=False; slider_info.id++; state|=RedrawListState; break; } if (MatteIsActive(scroll_info,event.xbutton)) { /* Move slider. */ if (event.xbutton.y < slider_info.y) slider_info.id-=(visible_colors-1); else slider_info.id+=(visible_colors-1); state|=RedrawListState; break; } if (MatteIsActive(list_info,event.xbutton)) { unsigned int id; /* User pressed list matte. */ id=slider_info.id+(event.xbutton.y-(list_info.y+(height >> 1))+1)/ selection_info.height; if (id >= colors) break; (void) strcpy(reply_info.text,colorlist[id]); reply_info.highlight=False; reply_info.marker=reply_info.text; reply_info.cursor=reply_info.text+strlen(reply_info.text); XDrawMatteText(display,&windows->widget,&reply_info); state|=RedrawActionState; if (id == list_info.id) { (void) strcpy(glob_pattern,reply_info.text); state|=UpdateListState; } selection_info.id=(~0); list_info.id=id; state|=RedrawListState; break; } if (MatteIsActive(grab_info,event.xbutton)) { /* User pressed Grab button. */ grab_info.raised=False; XDrawBeveledButton(display,&windows->widget,&grab_info); break; } if (MatteIsActive(reset_info,event.xbutton)) { /* User pressed Reset button. */ reset_info.raised=False; XDrawBeveledButton(display,&windows->widget,&reset_info); break; } if (MatteIsActive(mode_info,event.xbutton)) { /* User pressed mode button. */ (void) strcpy(reply_info.text,mode_info.text); (void) strcpy(primary_selection,reply_info.text); XSetSelectionOwner(display,XA_PRIMARY,windows->widget.id, event.xbutton.time); reply_info.highlight=XGetSelectionOwner(display,XA_PRIMARY) == windows->widget.id; reply_info.marker=reply_info.text; reply_info.cursor=reply_info.text+strlen(reply_info.text); XDrawMatteText(display,&windows->widget,&reply_info); break; } if (MatteIsActive(action_info,event.xbutton)) { /* User pressed action button. */ action_info.raised=False; XDrawBeveledButton(display,&windows->widget,&action_info); break; } if (MatteIsActive(cancel_info,event.xbutton)) { /* User pressed Cancel button. */ cancel_info.raised=False; XDrawBeveledButton(display,&windows->widget,&cancel_info); break; } if (!MatteIsActive(reply_info,event.xbutton)) break; if (event.xbutton.button != Button2) { static Time click_time; /* Move text cursor to position of button press. */ x=event.xbutton.x-reply_info.x-(QuantumMargin >> 2); for (i=1; i <= (int) strlen(reply_info.marker); i++) if (XTextWidth(font_info,reply_info.marker,i) > x) break; reply_info.cursor=reply_info.marker+i-1; if (event.xbutton.time > (click_time+DoubleClick)) reply_info.highlight=False; else { /* Become the XA_PRIMARY selection owner. */ (void) strcpy(primary_selection,reply_info.text); XSetSelectionOwner(display,XA_PRIMARY,windows->widget.id, event.xbutton.time); reply_info.highlight=XGetSelectionOwner(display,XA_PRIMARY) == windows->widget.id; } XDrawMatteText(display,&windows->widget,&reply_info); click_time=event.xbutton.time; break; } /* Request primary selection. */ XConvertSelection(display,XA_PRIMARY,XA_STRING,XA_STRING, windows->widget.id,event.xbutton.time); break; } case ButtonRelease: { if (!windows->widget.mapped) break; if (!north_info.raised) { /* User released up button. */ delay=SuspendTime << 2; north_info.raised=True; XDrawTriangleNorth(display,&windows->widget,&north_info); } if (!south_info.raised) { /* User released down button. */ delay=SuspendTime << 2; south_info.raised=True; XDrawTriangleSouth(display,&windows->widget,&south_info); } if (slider_info.active) { /* Stop tracking slider. */ slider_info.active=False; break; } if (!grab_info.raised) { if (event.xbutton.window == windows->widget.id) if (MatteIsActive(grab_info,event.xbutton)) { /* Select a pen color from the X server. */ (void) XGetWindowColor(display,reply_info.text); reply_info.marker=reply_info.text; reply_info.cursor=reply_info.text+strlen(reply_info.text); XDrawMatteText(display,&windows->widget,&reply_info); state|=RedrawActionState; } grab_info.raised=True; XDrawBeveledButton(display,&windows->widget,&grab_info); } if (!reset_info.raised) { if (event.xbutton.window == windows->widget.id) if (MatteIsActive(reset_info,event.xbutton)) { (void) strcpy(glob_pattern,reset_pattern); state|=UpdateListState; } reset_info.raised=True; XDrawBeveledButton(display,&windows->widget,&reset_info); } if (!action_info.raised) { if (event.xbutton.window == windows->widget.id) if (MatteIsActive(action_info,event.xbutton)) if (*reply_info.text == '\0') XBell(display,0); else state|=ExitState; action_info.raised=True; XDrawBeveledButton(display,&windows->widget,&action_info); } if (!cancel_info.raised) { if (event.xbutton.window == windows->widget.id) if (MatteIsActive(cancel_info,event.xbutton)) { *reply_info.text='\0'; state|=ExitState; } cancel_info.raised=True; XDrawBeveledButton(display,&windows->widget,&cancel_info); } if (!MatteIsActive(reply_info,event.xbutton)) break; break; } case ClientMessage: { /* If client window delete message, exit. */ if (event.xclient.message_type != windows->wm_protocols) break; if (*event.xclient.data.l == windows->wm_take_focus) { XSetInputFocus(display,event.xclient.window,RevertToParent, event.xclient.data.l[1]); break; } if (*event.xclient.data.l != windows->wm_delete_window) break; if (event.xclient.window == windows->widget.id) { *reply_info.text='\0'; state|=ExitState; break; } break; } case ConfigureNotify: { /* Update widget configuration. */ if (event.xconfigure.window != windows->widget.id) break; if ((event.xconfigure.width == windows->widget.width) && (event.xconfigure.height == windows->widget.height)) break; windows->widget.width= Max(event.xconfigure.width,windows->widget.min_width); windows->widget.height= Max(event.xconfigure.height,windows->widget.min_height); state|=UpdateConfigurationState; break; } case EnterNotify: { if (event.xcrossing.window != windows->widget.id) break; state&=(~InactiveWidgetState); break; } case Expose: { if (event.xexpose.window != windows->widget.id) break; if (event.xexpose.count != 0) break; state|=RedrawWidgetState; break; } case KeyPress: { static char command[MaxTextLength]; static int length; static KeySym key_symbol; if (event.xkey.window != windows->widget.id) break; /* Respond to a user key press. */ length=XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); *(command+length)='\0'; if (AreaIsActive(scroll_info,event.xkey)) { /* Move slider. */ switch (key_symbol) { case XK_Home: case XK_KP_Home: { slider_info.id=0; break; } case XK_Up: case XK_KP_Up: { slider_info.id--; break; } case XK_Down: case XK_KP_Down: { slider_info.id++; break; } case XK_Prior: case XK_KP_Prior: { slider_info.id-=visible_colors; break; } case XK_Next: case XK_KP_Next: { slider_info.id+=visible_colors; break; } case XK_End: case XK_KP_End: { slider_info.id=colors; break; } } state|=RedrawListState; break; } if ((key_symbol == XK_Return) || (key_symbol == XK_KP_Enter)) { /* Read new color or glob patterm. */ if (*reply_info.text == '\0') break; (void) strcpy(glob_pattern,reply_info.text); state|=UpdateListState; break; } if (key_symbol == XK_Control_L) { state|=ControlState; break; } if (state & ControlState) switch (key_symbol) { case XK_u: case XK_U: { /* Erase the entire line of text. */ *reply_info.text='\0'; reply_info.cursor=reply_info.text; reply_info.marker=reply_info.text; reply_info.highlight=False; break; } default: break; } XEditText(display,&reply_info,key_symbol,command,state); XDrawMatteText(display,&windows->widget,&reply_info); status=XParseColor(display,windows->widget.map_info->colormap, reply_info.text,&color); if (status != 0) state|=RedrawActionState; break; } case KeyRelease: { static char command[MaxTextLength]; static KeySym key_symbol; if (event.xkey.window != windows->widget.id) break; /* Respond to a user key release. */ (void) XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); if (key_symbol == XK_Control_L) state&=(~ControlState); break; } case LeaveNotify: { if (event.xcrossing.window != windows->widget.id) break; state|=InactiveWidgetState; break; } case MotionNotify: { /* Discard pending button motion events. */ while (XCheckMaskEvent(display,ButtonMotionMask,&event)); if (slider_info.active) { /* Move slider matte. */ slider_info.y=event.xmotion.y- ((slider_info.height+slider_info.bevel_width) >> 1)+1; if (slider_info.y < slider_info.min_y) slider_info.y=slider_info.min_y; if (slider_info.y > slider_info.max_y) slider_info.y=slider_info.max_y; slider_info.id=0; if (slider_info.y != slider_info.min_y) slider_info.id=(colors*(slider_info.y-slider_info.min_y+1))/ (slider_info.max_y-slider_info.min_y+1); state|=RedrawListState; break; } if (state & InactiveWidgetState) break; if (grab_info.raised == MatteIsActive(grab_info,event.xmotion)) { /* Grab button status changed. */ grab_info.raised=!grab_info.raised; XDrawBeveledButton(display,&windows->widget,&grab_info); break; } if (reset_info.raised == MatteIsActive(reset_info,event.xmotion)) { /* Reset button status changed. */ reset_info.raised=!reset_info.raised; XDrawBeveledButton(display,&windows->widget,&reset_info); break; } if (action_info.raised == MatteIsActive(action_info,event.xmotion)) { /* Action button status changed. */ action_info.raised=!action_info.raised; XDrawBeveledButton(display,&windows->widget,&action_info); break; } if (cancel_info.raised == MatteIsActive(cancel_info,event.xmotion)) { /* Cancel button status changed. */ cancel_info.raised=!cancel_info.raised; XDrawBeveledButton(display,&windows->widget,&cancel_info); break; } break; } case SelectionClear: { reply_info.highlight=False; XDrawMatteText(display,&windows->widget,&reply_info); break; } case SelectionNotify: { Atom type; int format, status; unsigned char *data; unsigned long after, length; /* Obtain response from primary selection. */ if (event.xselection.property == (Atom) None) break; status=XGetWindowProperty(display,event.xselection.requestor, event.xselection.property,0L,2047L,True,XA_STRING,&type,&format, &length,&after,&data); if ((status != Success) || (type != XA_STRING) || (format == 32) || (length == 0)) break; if ((strlen(reply_info.text)+length) >= MaxTextLength) XBell(display,0); else { /* Insert primary selection in reply text. */ *(data+length)='\0'; XEditText(display,&reply_info,(KeySym) XK_Insert,(char *) data, state); XDrawMatteText(display,&windows->widget,&reply_info); state|=RedrawActionState; } XFree((void *) data); break; } case SelectionRequest: { XSelectionEvent notify; XSelectionRequestEvent *request; if (!reply_info.highlight) break; /* Set primary selection. */ request=(&(event.xselectionrequest)); XChangeProperty(request->display,request->requestor,request->property, request->target,8,PropModeReplace,(unsigned char *) primary_selection, strlen(primary_selection)); notify.type=SelectionNotify; notify.send_event=True; notify.display=request->display; notify.requestor=request->requestor; notify.selection=request->selection; notify.target=request->target; notify.time=request->time; if (request->property == None) notify.property=request->target; else notify.property=request->property; (void) XSendEvent(request->display,request->requestor,False,NoEventMask, (XEvent *) ¬ify); } default: break; } } while (!(state & ExitState)); XSetCursorState(display,windows,False); XWithdrawWindow(display,windows->widget.id,windows->widget.screen); XCheckRefreshWindows(display,windows); /* Free color list. */ for (i=0; i < colors; i++) free((char *) colorlist[i]); if (colorlist != (char **) NULL) free((char *) colorlist); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X C o m m a n d W i d g e t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XCommandWidget maps a menu and returns the command pointed to by % the user when the button is released. % % The format of the XCommandWidget routine is: % % selection_number=XCommandWidget(display,windows,selections,event) % % A description of each parameter follows: % % o selection_number: Specifies the number of the selection that the % user choose. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o window: Specifies a pointer to a XWindows structure. % % o selections: Specifies a pointer to one or more strings that comprise % the choices in the menu. % % o event: Specifies a pointer to a X11 XEvent structure. % % */ int XCommandWidget(display,windows,selections,event) Display *display; XWindows *windows; char **selections; XEvent *event; { #define tile_width 112 #define tile_height 70 static unsigned char tile_bits[]= { 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x00, 0x00, 0x00, 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0x78, 0x00, 0xc0, 0x8f, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0x00, 0xc0, 0x8f, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0x00, 0xe0, 0x9f, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0x00, 0xe0, 0xdf, 0x7f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1e, 0x00, 0x00, 0x78, 0x00, 0xe0, 0xdf, 0x7b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1e, 0x00, 0x0c, 0x78, 0x30, 0xf0, 0xff, 0x7b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1e, 0x00, 0x0f, 0xf8, 0x70, 0xf0, 0xff, 0x7b, 0x00, 0x00, 0x1f, 0x00, 0xe0, 0x0f, 0x1e, 0x80, 0x0f, 0xf8, 0x78, 0xf0, 0xfd, 0xf9, 0x00, 0xc0, 0x1f, 0x00, 0xf8, 0x0f, 0x00, 0xe0, 0x1f, 0xf8, 0x7c, 0xf0, 0xfc, 0xf9, 0x00, 0xf0, 0x1f, 0x00, 0xfe, 0x0f, 0x00, 0xf0, 0x07, 0xf8, 0x3e, 0xf8, 0xfc, 0xf0, 0x01, 0xf8, 0x1f, 0x00, 0xff, 0x0f, 0x1e, 0xf0, 0x03, 0xf8, 0x3f, 0xf8, 0xf8, 0xf0, 0x01, 0xfc, 0x1f, 0x80, 0x7f, 0x0f, 0x1e, 0xf8, 0x00, 0xf8, 0x1f, 0x78, 0x18, 0xf0, 0x01, 0x7c, 0x1e, 0xc0, 0x0f, 0x0f, 0x1e, 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0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf0, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; int id, y; register int i; static unsigned int number_selections; static XWidgetInfo *selection_info = (XWidgetInfo *) NULL; unsigned int height; unsigned long state; XFontStruct *font_info; font_info=windows->command.font_info; height=font_info->ascent+font_info->descent; state=DefaultState; if (event == (XEvent *) NULL) { unsigned int width; XTextProperty window_name; XWindowChanges window_changes; /* Determine command window attributes. */ windows->command.width=0; for (i=0; selections[i] != (char *) NULL; i++) { width=XTextWidth(font_info,selections[i],strlen(selections[i])); if (width > windows->command.width) windows->command.width=width; } number_selections=i; windows->command.width+=3*QuantumMargin+10; if (windows->command.width < (tile_width+QuantumMargin+10)) windows->command.width=tile_width+QuantumMargin+10; windows->command.height= number_selections*(((3*height) >> 1)+10)+tile_height+20; windows->command.min_width=windows->command.width; windows->command.min_height=windows->command.height; XConstrainWindowPosition(display,&windows->command); if (windows->command.id != (Window) NULL) { int status; /* Reconfigure command window. */ status=XStringListToTextProperty(&windows->command.name,1, &window_name); if (status != 0) { XSetWMName(display,windows->command.id,&window_name); XFree((void *) window_name.value); } window_changes.width=windows->command.width; window_changes.height=windows->command.height; XReconfigureWMWindow(display,windows->command.id, windows->command.screen,CWWidth | CWHeight,&window_changes); } /* Allocate selection info memory. */ if (selection_info != (XWidgetInfo *) NULL) free((char *) selection_info); selection_info=(XWidgetInfo *) malloc(number_selections*sizeof(XWidgetInfo)); if (selection_info == (XWidgetInfo *) NULL) Error("Unable to create Command Widget","Memory allocation failed"); state|=UpdateConfigurationState; } /* Wait for next event. */ id=(-1); if (event != (XEvent *) NULL) switch (event->type) { case ButtonPress: { for (i=0; i < number_selections; i++) { if (!MatteIsActive(selection_info[i],event->xbutton)) continue; if (i >= windows->command.data) { selection_info[i].raised=False; XDrawBeveledButton(display,&windows->command,&selection_info[i]); break; } submenu_info=selection_info[i]; submenu_info.active=True; toggle_info.y= submenu_info.y+(submenu_info.height >> 1)-(toggle_info.height >> 1); id=i; XCheckWindowEvent(display,windows->widget.id,LeaveWindowMask,event); break; } break; } case ButtonRelease: { for (i=0; i < number_selections; i++) { if (!MatteIsActive(selection_info[i],event->xbutton)) continue; id=i; if (id >= windows->command.data) { selection_info[id].raised=True; XDrawBeveledButton(display,&windows->command,&selection_info[id]); break; } break; } break; } case ClientMessage: { /* If client window delete message, withdraw command widget. */ if (event->xclient.message_type != windows->wm_protocols) break; if (*event->xclient.data.l != windows->wm_delete_window) break; XWithdrawWindow(display,windows->command.id,windows->command.screen); break; } case ConfigureNotify: { /* Update widget configuration. */ if (event->xconfigure.window != windows->command.id) break; if (event->xconfigure.send_event != 0) { windows->command.x=event->xconfigure.x; windows->command.y=event->xconfigure.y; } if ((event->xconfigure.width == windows->command.width) && (event->xconfigure.height == windows->command.height)) break; windows->command.width= Max(event->xconfigure.width,windows->command.min_width); windows->command.height= Max(event->xconfigure.height,windows->command.min_height); state|=UpdateConfigurationState; break; } case Expose: { if (event->xexpose.window != windows->command.id) break; if (event->xexpose.count != 0) break; state|=RedrawWidgetState; break; } case MotionNotify: { /* Return the ID of the highlighted menu entry. */ for ( ; ; ) { for (i=0; i < number_selections; i++) { if (i >= windows->command.data) { if (selection_info[i].raised == MatteIsActive(selection_info[i],event->xmotion)) { /* Button status changed. */ selection_info[i].raised=!selection_info[i].raised; XDrawBeveledButton(display,&windows->command, &selection_info[i]); } continue; } if (!MatteIsActive(selection_info[i],event->xmotion)) continue; submenu_info=selection_info[i]; submenu_info.active=True; toggle_info.raised=True; toggle_info.y=submenu_info.y+(submenu_info.height >> 1)- (toggle_info.height >> 1); XDrawTriangleEast(display,&windows->command,&toggle_info); id=i; } XDelay(display,SuspendTime); if (!XCheckMaskEvent(display,ButtonMotionMask,event)) break; while (XCheckMaskEvent(display,ButtonMotionMask,event)); toggle_info.raised=False; XDrawTriangleEast(display,&windows->command,&toggle_info); } break; } case MapNotify: { windows->command.mapped=True; break; } case UnmapNotify: { windows->command.mapped=False; break; } default: break; } if (state & UpdateConfigurationState) { /* Initialize button information. */ y=tile_height+20; for (i=0; i < number_selections; i++) { XGetWidgetInfo(selections[i],&selection_info[i]); selection_info[i].center=False; selection_info[i].bevel_width--; selection_info[i].height=(3*height) >> 1; selection_info[i].x=(QuantumMargin >> 1)+4; selection_info[i].width= windows->command.width-(selection_info[i].x << 1); selection_info[i].y=y; y+=selection_info[i].height+(selection_info[i].bevel_width << 1)+6; } XGetWidgetInfo((char *) NULL,&toggle_info); toggle_info.bevel_width--; toggle_info.width=((5*height) >> 3)-(toggle_info.bevel_width << 1); toggle_info.height=toggle_info.width; toggle_info.x=selection_info[0].x+selection_info[0].width- toggle_info.width-(QuantumMargin >> 1); if (windows->command.mapped) XClearWindow(display,windows->command.id); } if (state & RedrawWidgetState) { Pixmap tile_pixmap; /* Draw command buttons. */ tile_pixmap=XCreatePixmapFromBitmapData(display,windows->command.id, (char *) tile_bits,tile_width,tile_height,1L,0L,1); if (tile_pixmap != (Pixmap) NULL) { XCopyPlane(display,tile_pixmap,windows->command.id, windows->command.annotate_context,0,0,tile_width,tile_height, (windows->command.width-tile_width) >> 1,10,1L); XFreePixmap(display,tile_pixmap); } for (i=0; i < number_selections; i++) { XDrawBeveledButton(display,&windows->command,&selection_info[i]); if (i >= windows->command.data) continue; toggle_info.raised=i == id; toggle_info.y=selection_info[i].y+ (selection_info[i].height >> 1)-(toggle_info.height >> 1); XDrawTriangleEast(display,&windows->command,&toggle_info); } XHighlightWidget(display,&windows->command,BorderOffset,BorderOffset); } return(id); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X C o n f i r m W i d g e t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XConfirmWidget displays a Confirm widget with a notice to the user. % The function returns True if the user presses Yes otherwise False is % returned. % % The format of the XConfirmWidget routine is: % % status=XConfirmWidget(display,windows,message,qualifier) % % A description of each parameter follows: % % o status: Function XConfirmWidget returns True if the user presses Yes % otherwise False is returned. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o window: Specifies a pointer to a XWindows structure. % % o message: Specifies the message to display before terminating the % program. % % o qualifier: Specifies any qualifier to the message. % % */ unsigned int XConfirmWidget(display,windows,message,qualifier) Display *display; XWindows *windows; char *message, *qualifier; { #define CancelButtonText "Cancel" #define YesButtonText "Yes" int status, x, y; unsigned int confirm, height, width; unsigned long state; XEvent event; XFontStruct *font_info; XTextProperty window_name; XWidgetInfo cancel_info, yes_info; XWindowChanges window_changes; /* Determine Confirm widget attributes. */ XCheckRefreshWindows(display,windows); font_info=windows->widget.font_info; width=XTextWidth(font_info,CancelButtonText,strlen(CancelButtonText)); if (XTextWidth(font_info,YesButtonText,strlen(YesButtonText)) > width) width=XTextWidth(font_info,YesButtonText,strlen(YesButtonText)); width<<=1; if (qualifier != (char *) NULL) if (XTextWidth(font_info,qualifier,strlen(qualifier)) > width) width=XTextWidth(font_info,qualifier,strlen(qualifier)); if (qualifier != (char *) NULL) if (XTextWidth(font_info,qualifier,strlen(qualifier)) > width) width=XTextWidth(font_info,qualifier,strlen(qualifier)); height=(font_info->ascent+font_info->descent); /* Position Confirm widget. */ windows->widget.width=width+7*QuantumMargin; windows->widget.min_width=width+(QuantumMargin << 2); if (windows->widget.width < windows->widget.min_width) windows->widget.width=windows->widget.min_width; windows->widget.height=12*height; windows->widget.min_height=7*height; if (windows->widget.height < windows->widget.min_height) windows->widget.height=windows->widget.min_height; XQueryPosition(display,windows->widget.root,&x,&y); windows->widget.x=x-(windows->widget.width >> 1); windows->widget.y=y-((5*windows->widget.height) >> 3); XConstrainWindowPosition(display,&windows->widget); /* Map Confirm widget. */ (void) strcpy(windows->widget.name,"Confirm"); status=XStringListToTextProperty(&windows->widget.name,1,&window_name); if (status != 0) { XSetWMName(display,windows->widget.id,&window_name); XFree((void *) window_name.value); } window_changes.width=windows->widget.width; window_changes.height=windows->widget.height; window_changes.x=windows->widget.x; window_changes.y=windows->widget.y; XReconfigureWMWindow(display,windows->widget.id,windows->widget.screen, CWWidth | CWHeight | CWX | CWY,&window_changes); XMapRaised(display,windows->widget.id); windows->widget.mapped=False; /* Respond to X events. */ confirm=False; state=UpdateConfigurationState; XSetCursorState(display,windows,True); do { if (state & UpdateConfigurationState) { /* Initialize No button information. */ XGetWidgetInfo(CancelButtonText,&cancel_info); cancel_info.width=QuantumMargin+ XTextWidth(font_info,CancelButtonText,strlen(CancelButtonText)); cancel_info.height=(3*height) >> 1; cancel_info.x=windows->widget.width-cancel_info.width-QuantumMargin; cancel_info.y=windows->widget.height-(cancel_info.height << 1); yes_info=cancel_info; yes_info.text=YesButtonText; yes_info.x=QuantumMargin; state&=(~UpdateConfigurationState); } if (state & RedrawWidgetState) { /* Redraw Confirm widget. */ width=XTextWidth(font_info,message,strlen(message)); x=(windows->widget.width >> 1)-(width >> 1); y=(windows->widget.height >> 1)-(height << 1); XDrawString(display,windows->widget.id,windows->widget.annotate_context, x,y,message,strlen(message)); if (qualifier != (char *) NULL) { char question[MaxTextLength]; (void) strcpy(question,qualifier); (void) strcat(question,"?"); width=XTextWidth(font_info,question,strlen(question)); x=(windows->widget.width >> 1)-(width >> 1); y+=height; XDrawString(display,windows->widget.id, windows->widget.annotate_context,x,y,question,strlen(question)); } XDrawBeveledButton(display,&windows->widget,&cancel_info); XDrawBeveledButton(display,&windows->widget,&yes_info); XHighlightWidget(display,&windows->widget,BorderOffset,BorderOffset); state&=(~RedrawWidgetState); } /* Wait for next event. */ XIfEvent(display,&event,XScreenEvent,(char *) windows); switch (event.type) { case ButtonPress: { if (MatteIsActive(cancel_info,event.xbutton)) { /* User pressed No button. */ cancel_info.raised=False; XDrawBeveledButton(display,&windows->widget,&cancel_info); break; } if (MatteIsActive(yes_info,event.xbutton)) { /* User pressed Yes button. */ yes_info.raised=False; XDrawBeveledButton(display,&windows->widget,&yes_info); break; } break; } case ButtonRelease: { if (!windows->widget.mapped) break; if (!cancel_info.raised) { if (event.xbutton.window == windows->widget.id) if (MatteIsActive(cancel_info,event.xbutton)) state|=ExitState; cancel_info.raised=True; XDrawBeveledButton(display,&windows->widget,&cancel_info); } if (!yes_info.raised) { if (event.xbutton.window == windows->widget.id) if (MatteIsActive(yes_info,event.xbutton)) { confirm=True; state|=ExitState; } yes_info.raised=True; XDrawBeveledButton(display,&windows->widget,&yes_info); } break; } case ClientMessage: { /* If client window delete message, exit. */ if (event.xclient.message_type != windows->wm_protocols) break; if (*event.xclient.data.l == windows->wm_take_focus) { XSetInputFocus(display,event.xclient.window,RevertToParent, event.xclient.data.l[1]); break; } if (*event.xclient.data.l != windows->wm_delete_window) break; if (event.xclient.window == windows->widget.id) { state|=ExitState; break; } break; } case ConfigureNotify: { /* Update widget configuration. */ if (event.xconfigure.window != windows->widget.id) break; if ((event.xconfigure.width == windows->widget.width) && (event.xconfigure.height == windows->widget.height)) break; windows->widget.width= Max(event.xconfigure.width,windows->widget.min_width); windows->widget.height= Max(event.xconfigure.height,windows->widget.min_height); state|=UpdateConfigurationState; break; } case EnterNotify: { if (event.xcrossing.window != windows->widget.id) break; state&=(~InactiveWidgetState); break; } case Expose: { if (event.xexpose.window != windows->widget.id) break; if (event.xexpose.count != 0) break; state|=RedrawWidgetState; break; } case KeyPress: { static char command[MaxTextLength]; static KeySym key_symbol; if (event.xkey.window != windows->widget.id) break; /* Respond to a user key press. */ (void) XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); if ((key_symbol == XK_Return) || (key_symbol == XK_KP_Enter)) { cancel_info.raised=False; XDrawBeveledButton(display,&windows->widget,&cancel_info); state|=ExitState; break; } break; } case LeaveNotify: { if (event.xcrossing.window != windows->widget.id) break; state|=InactiveWidgetState; break; } case MotionNotify: { /* Discard pending button motion events. */ while (XCheckMaskEvent(display,ButtonMotionMask,&event)); if (state & InactiveWidgetState) break; if (cancel_info.raised == MatteIsActive(cancel_info,event.xmotion)) { /* No button status changed. */ cancel_info.raised=!cancel_info.raised; XDrawBeveledButton(display,&windows->widget,&cancel_info); break; } if (yes_info.raised == MatteIsActive(yes_info,event.xmotion)) { /* Yes button status changed. */ yes_info.raised=!yes_info.raised; XDrawBeveledButton(display,&windows->widget,&yes_info); break; } break; } default: break; } } while (!(state & ExitState)); XSetCursorState(display,windows,False); XWithdrawWindow(display,windows->widget.id,windows->widget.screen); XCheckRefreshWindows(display,windows); return(confirm); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X D i a l o g W i d g e t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XDialogWidget displays a Dialog widget with a query to the user. % The user keys a reply and presses the Ok or Cancel button to exit. The % typed text is returned as the reply function parameter. % % The format of the XDialogWidget routine is: % % XDialogWidget(display,windows,action,query,reply) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o window: Specifies a pointer to a XWindows structure. % % o action: Specifies a pointer to the action of this widget. % % o query: Specifies a pointer to the query to present to the user. % % o reply: The response from the user is returned in this parameter. % % */ void XDialogWidget(display,windows,action,query,reply) Display *display; XWindows *windows; char *action, *query, *reply; { #define CancelButtonText "Cancel" char primary_selection[MaxTextLength]; int status, x, y; register int i; unsigned int anomaly, height, width; unsigned long state; XEvent event; XFontStruct *font_info; XTextProperty window_name; XWidgetInfo action_info, cancel_info, reply_info, special_info, text_info; XWindowChanges window_changes; /* Determine Dialog widget attributes. */ XCheckRefreshWindows(display,windows); font_info=windows->widget.font_info; width=XTextWidth(font_info,action,strlen(action)); if (XTextWidth(font_info,CancelButtonText,strlen(CancelButtonText)) > width) width=XTextWidth(font_info,CancelButtonText,strlen(CancelButtonText)); width+=(3*QuantumMargin) >> 1; height=font_info->ascent+font_info->descent; /* Position Dialog widget. */ windows->widget.width= Max(2*width,XTextWidth(font_info,query,strlen(query)))+6*QuantumMargin; windows->widget.min_width= width+25*XTextWidth(font_info,"#",1)+4*QuantumMargin; if (windows->widget.width < windows->widget.min_width) windows->widget.width=windows->widget.min_width; windows->widget.height=7*height+(QuantumMargin << 1); windows->widget.min_height=windows->widget.height; if (windows->widget.height < windows->widget.min_height) windows->widget.height=windows->widget.min_height; XQueryPosition(display,windows->widget.root,&x,&y); windows->widget.x=x-(windows->widget.width >> 1); windows->widget.y=y-(windows->widget.height >> 1); XConstrainWindowPosition(display,&windows->widget); /* Map Dialog widget. */ (void) strcpy(windows->widget.name,"Dialog"); status=XStringListToTextProperty(&windows->widget.name,1,&window_name); if (status != 0) { XSetWMName(display,windows->widget.id,&window_name); XFree((void *) window_name.value); } window_changes.width=windows->widget.width; window_changes.height=windows->widget.height; window_changes.x=windows->widget.x; window_changes.y=windows->widget.y; XReconfigureWMWindow(display,windows->widget.id,windows->widget.screen, CWWidth | CWHeight | CWX | CWY,&window_changes); XMapRaised(display,windows->widget.id); windows->widget.mapped=False; /* Respond to X events. */ anomaly=(strcmp(action,"Background") == 0) || (strcmp(action,"Quantize") == 0); state=UpdateConfigurationState; XSetCursorState(display,windows,True); do { if (state & UpdateConfigurationState) { /* Initialize button information. */ XGetWidgetInfo(CancelButtonText,&cancel_info); cancel_info.width=width; cancel_info.height=(3*height) >> 1; cancel_info.x= windows->widget.width-cancel_info.width-((3*QuantumMargin) >> 1); cancel_info.y= windows->widget.height-cancel_info.height-((3*QuantumMargin) >> 1); XGetWidgetInfo(action,&action_info); action_info.width=width; action_info.height=(3*height) >> 1; action_info.x=cancel_info.x-(cancel_info.width+QuantumMargin+ (action_info.bevel_width << 1)); action_info.y=cancel_info.y; /* Initialize reply information. */ XGetWidgetInfo(reply,&reply_info); reply_info.raised=False; reply_info.bevel_width--; reply_info.width=windows->widget.width-(3*QuantumMargin); reply_info.height=height << 1; reply_info.x=(3*QuantumMargin) >> 1; reply_info.y=action_info.y-reply_info.height-QuantumMargin; /* Initialize option information. */ XGetWidgetInfo("Dither",&special_info); special_info.raised=False; special_info.bevel_width--; special_info.width=QuantumMargin >> 1; special_info.height=QuantumMargin >> 1; special_info.x=reply_info.x; special_info.y=action_info.y+action_info.height-special_info.height; if (strcmp(action,"Background") == 0) special_info.text="Backdrop"; /* Initialize text information. */ XGetWidgetInfo(query,&text_info); text_info.width=reply_info.width; text_info.height=height; text_info.x=reply_info.x-(QuantumMargin >> 1); text_info.y=QuantumMargin; text_info.center=False; state&=(~UpdateConfigurationState); } if (state & RedrawWidgetState) { /* Redraw Dialog widget. */ XDrawWidgetText(display,&windows->widget,&text_info); XDrawBeveledMatte(display,&windows->widget,&reply_info); XDrawMatteText(display,&windows->widget,&reply_info); if (anomaly) XDrawBeveledButton(display,&windows->widget,&special_info); XDrawBeveledButton(display,&windows->widget,&action_info); XDrawBeveledButton(display,&windows->widget,&cancel_info); XHighlightWidget(display,&windows->widget,BorderOffset,BorderOffset); state&=(~RedrawWidgetState); } /* Wait for next event. */ XIfEvent(display,&event,XScreenEvent,(char *) windows); switch (event.type) { case ButtonPress: { if (anomaly) if (MatteIsActive(special_info,event.xbutton)) { /* Option button status changed. */ special_info.raised=!special_info.raised; XDrawBeveledButton(display,&windows->widget,&special_info); break; } if (MatteIsActive(action_info,event.xbutton)) { /* User pressed Action button. */ action_info.raised=False; XDrawBeveledButton(display,&windows->widget,&action_info); break; } if (MatteIsActive(cancel_info,event.xbutton)) { /* User pressed Cancel button. */ cancel_info.raised=False; XDrawBeveledButton(display,&windows->widget,&cancel_info); break; } if (!MatteIsActive(reply_info,event.xbutton)) break; if (event.xbutton.button != Button2) { static Time click_time; /* Move text cursor to position of button press. */ x=event.xbutton.x-reply_info.x-(QuantumMargin >> 2); for (i=1; i <= (int) strlen(reply_info.marker); i++) if (XTextWidth(font_info,reply_info.marker,i) > x) break; reply_info.cursor=reply_info.marker+i-1; if (event.xbutton.time > (click_time+DoubleClick)) reply_info.highlight=False; else { /* Become the XA_PRIMARY selection owner. */ (void) strcpy(primary_selection,reply_info.text); XSetSelectionOwner(display,XA_PRIMARY,windows->widget.id, event.xbutton.time); reply_info.highlight=XGetSelectionOwner(display,XA_PRIMARY) == windows->widget.id; } XDrawMatteText(display,&windows->widget,&reply_info); click_time=event.xbutton.time; break; } /* Request primary selection. */ XConvertSelection(display,XA_PRIMARY,XA_STRING,XA_STRING, windows->widget.id,event.xbutton.time); break; } case ButtonRelease: { if (!windows->widget.mapped) break; if (!action_info.raised) { if (event.xbutton.window == windows->widget.id) if (MatteIsActive(action_info,event.xbutton)) state|=ExitState; action_info.raised=True; XDrawBeveledButton(display,&windows->widget,&action_info); } if (!cancel_info.raised) { if (event.xbutton.window == windows->widget.id) if (MatteIsActive(cancel_info,event.xbutton)) { *reply_info.text='\0'; state|=ExitState; } cancel_info.raised=True; XDrawBeveledButton(display,&windows->widget,&cancel_info); } break; } case ClientMessage: { /* If client window delete message, exit. */ if (event.xclient.message_type != windows->wm_protocols) break; if (*event.xclient.data.l == windows->wm_take_focus) { XSetInputFocus(display,event.xclient.window,RevertToParent, event.xclient.data.l[1]); break; } if (*event.xclient.data.l != windows->wm_delete_window) break; if (event.xclient.window == windows->widget.id) { *reply_info.text='\0'; state|=ExitState; break; } break; } case ConfigureNotify: { /* Update widget configuration. */ if (event.xconfigure.window != windows->widget.id) break; if ((event.xconfigure.width == windows->widget.width) && (event.xconfigure.height == windows->widget.height)) break; windows->widget.width= Max(event.xconfigure.width,windows->widget.min_width); windows->widget.height= Max(event.xconfigure.height,windows->widget.min_height); state|=UpdateConfigurationState; break; } case EnterNotify: { if (event.xcrossing.window != windows->widget.id) break; state&=(~InactiveWidgetState); break; } case Expose: { if (event.xexpose.window != windows->widget.id) break; if (event.xexpose.count != 0) break; state|=RedrawWidgetState; break; } case KeyPress: { static char command[MaxTextLength]; static int length; static KeySym key_symbol; if (event.xkey.window != windows->widget.id) break; /* Respond to a user key press. */ length=XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); *(command+length)='\0'; if ((key_symbol == XK_Return) || (key_symbol == XK_KP_Enter)) { action_info.raised=False; XDrawBeveledButton(display,&windows->widget,&action_info); state|=ExitState; break; } if (key_symbol == XK_Control_L) { state|=ControlState; break; } if (state & ControlState) switch (key_symbol) { case XK_u: case XK_U: { /* Erase the entire line of text. */ *reply_info.text='\0'; reply_info.cursor=reply_info.text; reply_info.marker=reply_info.text; reply_info.highlight=False; break; } default: break; } XEditText(display,&reply_info,key_symbol,command,state); XDrawMatteText(display,&windows->widget,&reply_info); break; } case KeyRelease: { static char command[MaxTextLength]; static KeySym key_symbol; if (event.xkey.window != windows->widget.id) break; /* Respond to a user key release. */ (void) XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); if (key_symbol == XK_Control_L) state&=(~ControlState); break; } case LeaveNotify: { if (event.xcrossing.window != windows->widget.id) break; state|=InactiveWidgetState; break; } case MotionNotify: { /* Discard pending button motion events. */ while (XCheckMaskEvent(display,ButtonMotionMask,&event)); if (state & InactiveWidgetState) break; if (action_info.raised == MatteIsActive(action_info,event.xmotion)) { /* Action button status changed. */ action_info.raised=!action_info.raised; XDrawBeveledButton(display,&windows->widget,&action_info); break; } if (cancel_info.raised == MatteIsActive(cancel_info,event.xmotion)) { /* Cancel button status changed. */ cancel_info.raised=!cancel_info.raised; XDrawBeveledButton(display,&windows->widget,&cancel_info); break; } break; } case SelectionClear: { reply_info.highlight=False; XDrawMatteText(display,&windows->widget,&reply_info); break; } case SelectionNotify: { Atom type; int format, status; unsigned char *data; unsigned long after, length; /* Obtain response from primary selection. */ if (event.xselection.property == (Atom) None) break; status=XGetWindowProperty(display,event.xselection.requestor, event.xselection.property,0L,2047L,True,XA_STRING,&type,&format, &length,&after,&data); if ((status != Success) || (type != XA_STRING) || (format == 32) || (length == 0)) break; if ((strlen(reply_info.text)+length) >= MaxTextLength) XBell(display,0); else { /* Insert primary selection in reply text. */ *(data+length)='\0'; XEditText(display,&reply_info,(KeySym) XK_Insert,(char *) data, state); XDrawMatteText(display,&windows->widget,&reply_info); } XFree((void *) data); break; } case SelectionRequest: { XSelectionEvent notify; XSelectionRequestEvent *request; if (!reply_info.highlight) break; /* Set primary selection. */ request=(&(event.xselectionrequest)); XChangeProperty(request->display,request->requestor,request->property, request->target,8,PropModeReplace,(unsigned char *) primary_selection, strlen(primary_selection)); notify.type=SelectionNotify; notify.display=request->display; notify.requestor=request->requestor; notify.selection=request->selection; notify.target=request->target; notify.time=request->time; if (request->property == None) notify.property=request->target; else notify.property=request->property; (void) XSendEvent(request->display,request->requestor,False,0, (XEvent *) ¬ify); } default: break; } } while (!(state & ExitState)); XSetCursorState(display,windows,False); XWithdrawWindow(display,windows->widget.id,windows->widget.screen); XCheckRefreshWindows(display,windows); if (anomaly) if (special_info.raised) if (*reply != '\0') (void) strcat(reply,"!"); /* do not dither when quantizing */ } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X F i l e B r o w s e r W i d g e t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XFileBrowserWidget displays a File Browser widget with a file query % to the user. The user keys a reply and presses the Action or Cancel button % to exit. The typed text is returned as the reply function parameter. % % The format of the XFileBrowserWidget routine is: % % XFileBrowserWidget(display,windows,action,reply) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o window: Specifies a pointer to a XWindows structure. % % o action: Specifies a pointer to the action of this widget. % % o reply: The response from the user is returned in this parameter. % % */ void XFileBrowserWidget(display,windows,action,reply) Display *display; XWindows *windows; char *action, *reply; { #define CancelButtonText "Cancel" #define DirectoryText "Directory:" #define FilenameText "File name:" #define GrabButtonText "Grab" #define FormatButtonText "Format" #define HomeButtonText "Home" #define UpButtonText "Up" static char *ImageOutputFormats[]= { "avs", "bie", "bmp", "cmyk", "eps", "epsf", "epsi", "fax", "fits", "gif", "gif87", "gray", "g3", "hdf", "histogram", "jbig", "jpeg", "jpg", "map", "matte", "miff", "mpg", "mtv", "pbm", "pcx", "pdf", "pgm", "pict", "png", "ppm", "pnm", "ps", "ps2", "ras", "rgb", "rle", "sgi", "sun", "tga", "tiff", "vid", "viff", "x", "xbm", "xpm", "xv", "xwd", "yuv", "yuv3", (char *) NULL }; char **filelist, home_directory[MaxTextLength], primary_selection[MaxTextLength], text[MaxTextLength], working_directory[MaxTextLength]; int files, status, x, y; register int i; static char glob_pattern[MaxTextLength] = "*", format[MaxTextLength] = "miff"; unsigned int anomaly, height, text_width, visible_files, width; unsigned long delay, state; XEvent event; XFontStruct *font_info; XTextProperty window_name; XWidgetInfo action_info, cancel_info, expose_info, special_info, list_info, home_info, north_info, reply_info, scroll_info, selection_info, slider_info, south_info, text_info, up_info; XWindowChanges window_changes; /* Read filelist from current directory. */ XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); (void) getcwd(home_directory,MaxTextLength-1); (void) strcpy(working_directory,home_directory); filelist=ListFiles(working_directory,glob_pattern,&files); if (filelist == (char **) NULL) { /* Directory read failed. */ XNoticeWidget(display,windows,"Unable to read directory:", working_directory); XDialogWidget(display,windows,action,"Enter filename:",reply); return; } /* Determine File Browser widget attributes. */ font_info=windows->widget.font_info; text_width=0; for (i=0; i < files; i++) if (XTextWidth(font_info,filelist[i],strlen(filelist[i])) > text_width) text_width=XTextWidth(font_info,filelist[i],strlen(filelist[i])); width=XTextWidth(font_info,action,strlen(action)); if (XTextWidth(font_info,GrabButtonText,strlen(GrabButtonText)) > width) width=XTextWidth(font_info,GrabButtonText,strlen(GrabButtonText)); if (XTextWidth(font_info,FormatButtonText,strlen(FormatButtonText)) > width) width=XTextWidth(font_info,GrabButtonText,strlen(GrabButtonText)); if (XTextWidth(font_info,CancelButtonText,strlen(CancelButtonText)) > width) width=XTextWidth(font_info,CancelButtonText,strlen(CancelButtonText)); if (XTextWidth(font_info,HomeButtonText,strlen(HomeButtonText)) > width) width=XTextWidth(font_info,HomeButtonText,strlen(HomeButtonText)); if (XTextWidth(font_info,UpButtonText,strlen(UpButtonText)) > width) width=XTextWidth(font_info,UpButtonText,strlen(UpButtonText)); width+=QuantumMargin; if (XTextWidth(font_info,DirectoryText,strlen(DirectoryText)) > width) width=XTextWidth(font_info,DirectoryText,strlen(DirectoryText)); if (XTextWidth(font_info,FilenameText,strlen(FilenameText)) > width) width=XTextWidth(font_info,FilenameText,strlen(FilenameText)); height=font_info->ascent+font_info->descent; /* Position File Browser widget. */ windows->widget.width=width+Min(text_width,MaxTextWidth)+6*QuantumMargin; windows->widget.min_width=width+MinTextWidth+4*QuantumMargin; if (windows->widget.width < windows->widget.min_width) windows->widget.width=windows->widget.min_width; windows->widget.height=((81*height) >> 2)+((13*QuantumMargin) >> 1)+4; windows->widget.min_height=((23*height) >> 1)+((13*QuantumMargin) >> 1)+4; if (windows->widget.height < windows->widget.min_height) windows->widget.height=windows->widget.min_height; XQueryPosition(display,windows->widget.root,&x,&y); windows->widget.x=x-((3*windows->widget.width) >> 2); windows->widget.y=y-(windows->widget.height >> 1); XConstrainWindowPosition(display,&windows->widget); /* Map File Browser widget. */ (void) strcpy(windows->widget.name,"Browse and Select a File"); status=XStringListToTextProperty(&windows->widget.name,1,&window_name); if (status != 0) { XSetWMName(display,windows->widget.id,&window_name); XFree((void *) window_name.value); } window_changes.width=windows->widget.width; window_changes.height=windows->widget.height; window_changes.x=windows->widget.x; window_changes.y=windows->widget.y; XReconfigureWMWindow(display,windows->widget.id,windows->widget.screen, CWWidth | CWHeight | CWX | CWY,&window_changes); XMapRaised(display,windows->widget.id); windows->widget.mapped=False; /* Respond to X events. */ XGetWidgetInfo((char *) NULL,&slider_info); XGetWidgetInfo((char *) NULL,&north_info); XGetWidgetInfo((char *) NULL,&south_info); visible_files=0; anomaly=(strcmp(action,"Composite") == 0) || (strcmp(action,"Load") == 0); delay=SuspendTime << 2; state=UpdateConfigurationState; do { if (state & UpdateConfigurationState) { int id; /* Initialize button information. */ XGetWidgetInfo(CancelButtonText,&cancel_info); cancel_info.width=width; cancel_info.height=(3*height) >> 1; cancel_info.x=windows->widget.width-cancel_info.width-QuantumMargin-2; cancel_info.y=windows->widget.height-cancel_info.height-QuantumMargin; XGetWidgetInfo(action,&action_info); action_info.width=width; action_info.height=(3*height) >> 1; action_info.x=cancel_info.x-(cancel_info.width+(QuantumMargin >> 1)+ (action_info.bevel_width << 1)); action_info.y=cancel_info.y; XGetWidgetInfo(GrabButtonText,&special_info); special_info.width=width; special_info.height=(3*height) >> 1; special_info.x=action_info.x-(action_info.width+(QuantumMargin >> 1)+ (special_info.bevel_width << 1)); special_info.y=action_info.y; if (!anomaly) { register char *p; special_info.text=FormatButtonText; p=reply+strlen(reply)-1; while ((p > reply) && (*(p-1) != '.')) p--; if ((p > reply) && (*(p-1) == '.')) (void) strcpy(format,p); } XGetWidgetInfo(UpButtonText,&up_info); up_info.width=width; up_info.height=(3*height) >> 1; up_info.x=QuantumMargin; up_info.y=((5*QuantumMargin) >> 1)+height; XGetWidgetInfo(HomeButtonText,&home_info); home_info.width=width; home_info.height=(3*height) >> 1; home_info.x=QuantumMargin; home_info.y=up_info.y+up_info.height+QuantumMargin; /* Initialize reply information. */ XGetWidgetInfo(reply,&reply_info); reply_info.raised=False; reply_info.bevel_width--; reply_info.width=windows->widget.width-width-((6*QuantumMargin) >> 1); reply_info.height=height << 1; reply_info.x=width+(QuantumMargin << 1); reply_info.y=action_info.y-reply_info.height-QuantumMargin; /* Initialize scroll information. */ XGetWidgetInfo((char *) NULL,&scroll_info); scroll_info.bevel_width--; scroll_info.width=height; scroll_info.height=reply_info.y-up_info.y-(QuantumMargin >> 1); scroll_info.x=reply_info.x+(reply_info.width-scroll_info.width); scroll_info.y=up_info.y-reply_info.bevel_width; scroll_info.raised=False; scroll_info.trough=True; north_info=scroll_info; north_info.raised=True; north_info.width-=(north_info.bevel_width << 1); north_info.height=north_info.width-1; north_info.x+=north_info.bevel_width; north_info.y+=north_info.bevel_width; south_info=north_info; south_info.y=scroll_info.y+scroll_info.height-scroll_info.bevel_width- south_info.height; id=slider_info.id; slider_info=north_info; slider_info.id=id; slider_info.width-=2; slider_info.min_y=north_info.y+north_info.height+north_info.bevel_width+ slider_info.bevel_width+2; slider_info.height= scroll_info.height-((slider_info.min_y-scroll_info.y+1) << 1)+2; visible_files=(scroll_info.height-(height >> 3)-4)/((9*height) >> 3); if (files > visible_files) slider_info.height=(visible_files*slider_info.height)/files; slider_info.max_y=south_info.y-south_info.bevel_width- slider_info.bevel_width-2; slider_info.x=scroll_info.x+slider_info.bevel_width+1; slider_info.y=slider_info.min_y; expose_info=scroll_info; expose_info.y=slider_info.y; /* Initialize list information. */ XGetWidgetInfo((char *) NULL,&list_info); list_info.raised=False; list_info.bevel_width--; list_info.width=scroll_info.x-reply_info.x-(QuantumMargin >> 1); list_info.height=scroll_info.height; list_info.x=reply_info.x; list_info.y=scroll_info.y; if (!windows->widget.mapped) for (i=0; i < files; i++) if (strcmp(filelist[i],reply) == 0) list_info.id=i; /* Initialize text information. */ *text='\0'; XGetWidgetInfo(text,&text_info); text_info.width=reply_info.width; text_info.height=height; text_info.x=list_info.x-(QuantumMargin >> 1); text_info.y=QuantumMargin; /* Initialize selection information. */ XGetWidgetInfo((char *) NULL,&selection_info); selection_info.center=False; selection_info.width=list_info.width; selection_info.height=(9*height) >> 3; selection_info.x=list_info.x; state&=(~UpdateConfigurationState); } if (state & RedrawWidgetState) { /* Redraw File Browser window. */ x=QuantumMargin; y=text_info.y+((text_info.height-height) >> 1)+font_info->ascent; XDrawString(display,windows->widget.id,windows->widget.annotate_context, x,y,DirectoryText,strlen(DirectoryText)); (void) sprintf(text_info.text,"%s%s%s",working_directory, DirectorySeparator,glob_pattern); XDrawWidgetText(display,&windows->widget,&text_info); XDrawBeveledButton(display,&windows->widget,&up_info); XDrawBeveledButton(display,&windows->widget,&home_info); XDrawBeveledMatte(display,&windows->widget,&list_info); XDrawBeveledMatte(display,&windows->widget,&scroll_info); XDrawTriangleNorth(display,&windows->widget,&north_info); XDrawBeveledButton(display,&windows->widget,&slider_info); XDrawTriangleSouth(display,&windows->widget,&south_info); x=QuantumMargin; y=reply_info.y+((reply_info.height-height) >> 1)+font_info->ascent; XDrawString(display,windows->widget.id,windows->widget.annotate_context, x,y,FilenameText,strlen(FilenameText)); XDrawBeveledMatte(display,&windows->widget,&reply_info); XDrawMatteText(display,&windows->widget,&reply_info); XDrawBeveledButton(display,&windows->widget,&special_info); XDrawBeveledButton(display,&windows->widget,&action_info); XDrawBeveledButton(display,&windows->widget,&cancel_info); XHighlightWidget(display,&windows->widget,BorderOffset,BorderOffset); selection_info.id=(~0); state|=RedrawListState; state&=(~RedrawWidgetState); } if (state & UpdateListState) { char **checklist; int number_files; /* Update file list. */ checklist=ListFiles(working_directory,glob_pattern,&number_files); if (checklist == (char **) NULL) { /* Reply is a filename, exit. */ action_info.raised=False; XDrawBeveledButton(display,&windows->widget,&action_info); break; } for (i=0; i < files; i++) free((char *) filelist[i]); if (filelist != (char **) NULL) free((char *) filelist); filelist=checklist; files=number_files; /* Update file list. */ if (filelist == (char **) NULL) { /* Reply is a filename, exit. */ action_info.raised=False; XDrawBeveledButton(display,&windows->widget,&action_info); break; } slider_info.height= scroll_info.height-((slider_info.min_y-scroll_info.y+1) << 1)+1; if (files > visible_files) slider_info.height=(visible_files*slider_info.height)/files; slider_info.max_y=south_info.y-south_info.bevel_width- slider_info.bevel_width-2; slider_info.id=0; slider_info.y=slider_info.min_y; expose_info.y=slider_info.y; selection_info.id=(~0); list_info.id=(~0); state|=RedrawListState; /* Redraw directory name & reply. */ if (!IsGlob(reply_info.text)) { *reply_info.text='\0'; reply_info.cursor=reply_info.text; } (void) sprintf(text_info.text,"%s%s%s",working_directory, DirectorySeparator,glob_pattern); XDrawWidgetText(display,&windows->widget,&text_info); XDrawMatteText(display,&windows->widget,&reply_info); XDrawBeveledMatte(display,&windows->widget,&scroll_info); XDrawTriangleNorth(display,&windows->widget,&north_info); XDrawBeveledButton(display,&windows->widget,&slider_info); XDrawTriangleSouth(display,&windows->widget,&south_info); XHighlightWidget(display,&windows->widget,BorderOffset,BorderOffset); state&=(~UpdateListState); } if (state & RedrawListState) { /* Determine slider id and position. */ if (slider_info.id >= (int) (files-visible_files)) slider_info.id=files-visible_files; if ((slider_info.id < 0) || (files <= visible_files)) slider_info.id=0; slider_info.y=slider_info.min_y; if (files > 0) slider_info.y+= slider_info.id*(slider_info.max_y-slider_info.min_y+1)/files; if (slider_info.id != selection_info.id) { /* Redraw scroll bar and file names. */ selection_info.id=slider_info.id; selection_info.y=list_info.y+(height >> 3)+2; for (i=0; i < visible_files; i++) { selection_info.raised=(slider_info.id+i) != list_info.id; selection_info.text=(char *) NULL; if ((slider_info.id+i) < files) selection_info.text=filelist[slider_info.id+i]; XDrawWidgetText(display,&windows->widget,&selection_info); selection_info.y+=(int) selection_info.height; } /* Update slider. */ if (slider_info.y > expose_info.y) { expose_info.height=slider_info.y-expose_info.y; expose_info.y=slider_info.y-expose_info.height- slider_info.bevel_width-1; } else { expose_info.height=expose_info.y-slider_info.y; expose_info.y=slider_info.y+slider_info.height+ slider_info.bevel_width+1; } XDrawTriangleNorth(display,&windows->widget,&north_info); XDrawMatte(display,&windows->widget,&expose_info); XDrawBeveledButton(display,&windows->widget,&slider_info); XDrawTriangleSouth(display,&windows->widget,&south_info); expose_info.y=slider_info.y; } state&=(~RedrawListState); } /* Wait for next event. */ if (north_info.raised && south_info.raised) XIfEvent(display,&event,XScreenEvent,(char *) windows); else { /* Brief delay before advancing scroll bar. */ XDelay(display,delay); delay=SuspendTime; XCheckIfEvent(display,&event,XScreenEvent,(char *) windows); if (!north_info.raised) if (slider_info.id > 0) { /* Move slider up. */ slider_info.id--; state|=RedrawListState; } if (!south_info.raised) if (slider_info.id < files) { /* Move slider down. */ slider_info.id++; state|=RedrawListState; } if (event.type != ButtonRelease) continue; } switch (event.type) { case ButtonPress: { if (MatteIsActive(slider_info,event.xbutton)) { /* Track slider. */ slider_info.active=True; break; } if (MatteIsActive(north_info,event.xbutton)) if (slider_info.id > 0) { /* Move slider up. */ north_info.raised=False; slider_info.id--; state|=RedrawListState; break; } if (MatteIsActive(south_info,event.xbutton)) if (slider_info.id < files) { /* Move slider down. */ south_info.raised=False; slider_info.id++; state|=RedrawListState; break; } if (MatteIsActive(scroll_info,event.xbutton)) { /* Move slider. */ if (event.xbutton.y < slider_info.y) slider_info.id-=(visible_files-1); else slider_info.id+=(visible_files-1); state|=RedrawListState; break; } if (MatteIsActive(list_info,event.xbutton)) { unsigned int id; /* User pressed file matte. */ id=slider_info.id+(event.xbutton.y-(list_info.y+(height >> 1))+1)/ selection_info.height; if (id >= files) break; (void) strcpy(reply_info.text,filelist[id]); reply_info.highlight=False; reply_info.marker=reply_info.text; reply_info.cursor=reply_info.text+strlen(reply_info.text); XDrawMatteText(display,&windows->widget,&reply_info); if (id == list_info.id) { (void) strcpy(working_directory,reply_info.text); state|=UpdateListState; } selection_info.id=(~0); list_info.id=id; state|=RedrawListState; break; } if (MatteIsActive(up_info,event.xbutton)) { /* User pressed Up button. */ up_info.raised=False; XDrawBeveledButton(display,&windows->widget,&up_info); break; } if (MatteIsActive(home_info,event.xbutton)) { /* User pressed Home button. */ home_info.raised=False; XDrawBeveledButton(display,&windows->widget,&home_info); break; } if (MatteIsActive(special_info,event.xbutton)) { /* User pressed Special button. */ special_info.raised=False; XDrawBeveledButton(display,&windows->widget,&special_info); if (!anomaly) { /* Let user select image format. */ XDefineCursor(display,windows->widget.id, windows->widget.busy_cursor); XListBrowserWidget(display,windows,&windows->popup, ImageOutputFormats,"Select","Select image format type:", format); XSetCursorState(display,windows,True); XDefineCursor(display,windows->widget.id, windows->widget.cursor); AppendImageFormat(format,reply_info.text); reply_info.cursor=reply_info.text+strlen(reply_info.text); XDrawMatteText(display,&windows->widget,&reply_info); special_info.raised=True; XDrawBeveledButton(display,&windows->widget,&special_info); } break; } if (MatteIsActive(action_info,event.xbutton)) { /* User pressed action button. */ action_info.raised=False; XDrawBeveledButton(display,&windows->widget,&action_info); break; } if (MatteIsActive(cancel_info,event.xbutton)) { /* User pressed Cancel button. */ cancel_info.raised=False; XDrawBeveledButton(display,&windows->widget,&cancel_info); break; } if (!MatteIsActive(reply_info,event.xbutton)) break; if (event.xbutton.button != Button2) { static Time click_time; /* Move text cursor to position of button press. */ x=event.xbutton.x-reply_info.x-(QuantumMargin >> 2); for (i=1; i <= (int) strlen(reply_info.marker); i++) if (XTextWidth(font_info,reply_info.marker,i) > x) break; reply_info.cursor=reply_info.marker+i-1; if (event.xbutton.time > (click_time+DoubleClick)) reply_info.highlight=False; else { /* Become the XA_PRIMARY selection owner. */ (void) strcpy(primary_selection,reply_info.text); XSetSelectionOwner(display,XA_PRIMARY,windows->widget.id, event.xbutton.time); reply_info.highlight=XGetSelectionOwner(display,XA_PRIMARY) == windows->widget.id; } XDrawMatteText(display,&windows->widget,&reply_info); click_time=event.xbutton.time; break; } /* Request primary selection. */ XConvertSelection(display,XA_PRIMARY,XA_STRING,XA_STRING, windows->widget.id,event.xbutton.time); break; } case ButtonRelease: { if (!windows->widget.mapped) break; if (!north_info.raised) { /* User released up button. */ delay=SuspendTime << 2; north_info.raised=True; XDrawTriangleNorth(display,&windows->widget,&north_info); } if (!south_info.raised) { /* User released down button. */ delay=SuspendTime << 2; south_info.raised=True; XDrawTriangleSouth(display,&windows->widget,&south_info); } if (slider_info.active) { /* Stop tracking slider. */ slider_info.active=False; break; } if (!up_info.raised) { if (event.xbutton.window == windows->widget.id) if (MatteIsActive(up_info,event.xbutton)) { (void) strcpy(working_directory,".."); state|=UpdateListState; } up_info.raised=True; XDrawBeveledButton(display,&windows->widget,&up_info); } if (!home_info.raised) { if (event.xbutton.window == windows->widget.id) if (MatteIsActive(home_info,event.xbutton)) { (void) strcpy(working_directory,home_directory); state|=UpdateListState; } home_info.raised=True; XDrawBeveledButton(display,&windows->widget,&home_info); } if (!special_info.raised) { if (event.xbutton.window == windows->widget.id) if (MatteIsActive(special_info,event.xbutton)) { (void) strcpy(reply_info.text,"x:"); state|=ExitState; } special_info.raised=True; XDrawBeveledButton(display,&windows->widget,&special_info); } if (!action_info.raised) { if (event.xbutton.window == windows->widget.id) if (MatteIsActive(action_info,event.xbutton)) if (*reply_info.text == '\0') XBell(display,0); else state|=ExitState; action_info.raised=True; XDrawBeveledButton(display,&windows->widget,&action_info); } if (!cancel_info.raised) { if (event.xbutton.window == windows->widget.id) if (MatteIsActive(cancel_info,event.xbutton)) { *reply_info.text='\0'; state|=ExitState; } cancel_info.raised=True; XDrawBeveledButton(display,&windows->widget,&cancel_info); } break; } case ClientMessage: { /* If client window delete message, exit. */ if (event.xclient.message_type != windows->wm_protocols) break; if (*event.xclient.data.l == windows->wm_take_focus) { XSetInputFocus(display,event.xclient.window,RevertToParent, event.xclient.data.l[1]); break; } if (*event.xclient.data.l != windows->wm_delete_window) break; if (event.xclient.window == windows->widget.id) { *reply_info.text='\0'; state|=ExitState; break; } break; } case ConfigureNotify: { /* Update widget configuration. */ if (event.xconfigure.window != windows->widget.id) break; if ((event.xconfigure.width == windows->widget.width) && (event.xconfigure.height == windows->widget.height)) break; windows->widget.width= Max(event.xconfigure.width,windows->widget.min_width); windows->widget.height= Max(event.xconfigure.height,windows->widget.min_height); state|=UpdateConfigurationState; break; } case EnterNotify: { if (event.xcrossing.window != windows->widget.id) break; state&=(~InactiveWidgetState); break; } case Expose: { if (event.xexpose.window != windows->widget.id) break; if (event.xexpose.count != 0) break; state|=RedrawWidgetState; break; } case KeyPress: { static char command[MaxTextLength]; static int length; static KeySym key_symbol; if (event.xkey.window != windows->widget.id) break; /* Respond to a user key press. */ length=XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); *(command+length)='\0'; if (AreaIsActive(scroll_info,event.xkey)) { /* Move slider. */ switch (key_symbol) { case XK_Home: case XK_KP_Home: { slider_info.id=0; break; } case XK_Up: case XK_KP_Up: { slider_info.id--; break; } case XK_Down: case XK_KP_Down: { slider_info.id++; break; } case XK_Prior: case XK_KP_Prior: { slider_info.id-=visible_files; break; } case XK_Next: case XK_KP_Next: { slider_info.id+=visible_files; break; } case XK_End: case XK_KP_End: { slider_info.id=files; break; } } state|=RedrawListState; break; } if ((key_symbol == XK_Return) || (key_symbol == XK_KP_Enter)) { /* Read new directory or glob patterm. */ if (*reply_info.text == '\0') break; if (IsGlob(reply_info.text)) (void) strcpy(glob_pattern,reply_info.text); else { (void) strcpy(working_directory,reply_info.text); if (*working_directory == '~') ExpandFilename(working_directory); } state|=UpdateListState; break; } if (key_symbol == XK_Control_L) { state|=ControlState; break; } if (state & ControlState) switch (key_symbol) { case XK_u: case XK_U: { /* Erase the entire line of text. */ *reply_info.text='\0'; reply_info.cursor=reply_info.text; reply_info.marker=reply_info.text; reply_info.highlight=False; break; } default: break; } XEditText(display,&reply_info,key_symbol,command,state); XDrawMatteText(display,&windows->widget,&reply_info); break; } case KeyRelease: { static char command[MaxTextLength]; static KeySym key_symbol; if (event.xkey.window != windows->widget.id) break; /* Respond to a user key release. */ (void) XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); if (key_symbol == XK_Control_L) state&=(~ControlState); break; } case LeaveNotify: { if (event.xcrossing.window != windows->widget.id) break; state|=InactiveWidgetState; break; } case MotionNotify: { /* Discard pending button motion events. */ while (XCheckMaskEvent(display,ButtonMotionMask,&event)); if (slider_info.active) { /* Move slider matte. */ slider_info.y=event.xmotion.y- ((slider_info.height+slider_info.bevel_width) >> 1)+1; if (slider_info.y < slider_info.min_y) slider_info.y=slider_info.min_y; if (slider_info.y > slider_info.max_y) slider_info.y=slider_info.max_y; slider_info.id=0; if (slider_info.y != slider_info.min_y) slider_info.id=(files*(slider_info.y-slider_info.min_y+1))/ (slider_info.max_y-slider_info.min_y+1); state|=RedrawListState; break; } if (state & InactiveWidgetState) break; if (up_info.raised == MatteIsActive(up_info,event.xmotion)) { /* Up button status changed. */ up_info.raised=!up_info.raised; XDrawBeveledButton(display,&windows->widget,&up_info); break; } if (home_info.raised == MatteIsActive(home_info,event.xmotion)) { /* Home button status changed. */ home_info.raised=!home_info.raised; XDrawBeveledButton(display,&windows->widget,&home_info); break; } if (special_info.raised == MatteIsActive(special_info,event.xmotion)) { /* Grab button status changed. */ special_info.raised=!special_info.raised; XDrawBeveledButton(display,&windows->widget,&special_info); break; } if (action_info.raised == MatteIsActive(action_info,event.xmotion)) { /* Action button status changed. */ action_info.raised=!action_info.raised; XDrawBeveledButton(display,&windows->widget,&action_info); break; } if (cancel_info.raised == MatteIsActive(cancel_info,event.xmotion)) { /* Cancel button status changed. */ cancel_info.raised=!cancel_info.raised; XDrawBeveledButton(display,&windows->widget,&cancel_info); break; } break; } case SelectionClear: { reply_info.highlight=False; XDrawMatteText(display,&windows->widget,&reply_info); break; } case SelectionNotify: { Atom type; int format, status; unsigned char *data; unsigned long after, length; /* Obtain response from primary selection. */ if (event.xselection.property == (Atom) None) break; status=XGetWindowProperty(display,event.xselection.requestor, event.xselection.property,0L,2047L,True,XA_STRING,&type,&format, &length,&after,&data); if ((status != Success) || (type != XA_STRING) || (format == 32) || (length == 0)) break; if ((strlen(reply_info.text)+length) >= MaxTextLength) XBell(display,0); else { /* Insert primary selection in reply text. */ *(data+length)='\0'; XEditText(display,&reply_info,(KeySym) XK_Insert,(char *) data, state); XDrawMatteText(display,&windows->widget,&reply_info); } XFree((void *) data); break; } case SelectionRequest: { XSelectionEvent notify; XSelectionRequestEvent *request; if (!reply_info.highlight) break; /* Set primary selection. */ request=(&(event.xselectionrequest)); XChangeProperty(request->display,request->requestor,request->property, request->target,8,PropModeReplace,(unsigned char *) primary_selection, strlen(primary_selection)); notify.type=SelectionNotify; notify.display=request->display; notify.requestor=request->requestor; notify.selection=request->selection; notify.target=request->target; notify.time=request->time; if (request->property == None) notify.property=request->target; else notify.property=request->property; (void) XSendEvent(request->display,request->requestor,False,0, (XEvent *) ¬ify); } default: break; } } while (!(state & ExitState)); XSetCursorState(display,windows,False); XWithdrawWindow(display,windows->widget.id,windows->widget.screen); XCheckRefreshWindows(display,windows); /* Free file list. */ for (i=0; i < files; i++) free((char *) filelist[i]); if (filelist != (char **) NULL) free((char *) filelist); if (*reply == '~') ExpandFilename(reply); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X F o n t B r o w s e r W i d g e t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XFontBrowserWidget displays a Font Browser widget with a font query % to the user. The user keys a reply and presses the Action or Cancel button % to exit. The typed text is returned as the reply function parameter. % % The format of the XFontBrowserWidget routine is: % % XFontBrowserWidget(display,windows,action,reply) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o window: Specifies a pointer to a XWindows structure. % % o action: Specifies a pointer to the action of this widget. % % o reply: The response from the user is returned in this parameter. % % */ static int FontCompare(x,y) const void *x, *y; { register char *p, *q; p=(char *) *((char **) x); q=(char *) *((char **) y); while ((*p != '\0') && (*q != '\0') && (*p == *q)) { p++; q++; } return(*p-(*q)); } void XFontBrowserWidget(display,windows,action,reply) Display *display; XWindows *windows; char *action, *reply; { #define BackButtonText "Back" #define CancelButtonText "Cancel" #define FontnameText "Name:" #define FontPatternText "Pattern:" #define ResetButtonText "Reset" char back_pattern[MaxTextLength], **fontlist, **listhead, primary_selection[MaxTextLength], reset_pattern[MaxTextLength], text[MaxTextLength]; int fonts, status, x, y; register int i; static char glob_pattern[MaxTextLength] = "*"; unsigned int height, text_width, visible_fonts, width; unsigned long delay, state; XEvent event; XFontStruct *font_info; XTextProperty window_name; XWidgetInfo action_info, back_info, cancel_info, expose_info, list_info, mode_info, north_info, reply_info, reset_info, scroll_info, selection_info, slider_info, south_info, text_info; XWindowChanges window_changes; /* Get font list and sort in ascending order. */ XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); (void) strcpy(back_pattern,glob_pattern); (void) strcpy(reset_pattern,"*"); fontlist=XListFonts(display,glob_pattern,32767,&fonts); if (fonts == 0) { /* Pattern failed, obtain all the fonts. */ XNoticeWidget(display,windows,"Unable to obtain fonts names:", glob_pattern); (void) strcpy(glob_pattern,"*"); fontlist=XListFonts(display,glob_pattern,32767,&fonts); if (fontlist == (char **) NULL) { XNoticeWidget(display,windows,"Unable to obtain fonts names:", glob_pattern); return; } } /* Sort font list in ascending order. */ listhead=fontlist; fontlist=(char **) malloc(fonts*sizeof(char **)); if (fontlist == (char **) NULL) { XNoticeWidget(display,windows,"Unable to view fonts:", "Memory allocation failed"); return; } for (i=0; i < fonts; i++) fontlist[i]=listhead[i]; qsort((void *) fontlist,fonts,sizeof(char **), (int (*) _Declare((const void *, const void *))) FontCompare); /* Determine Font Browser widget attributes. */ font_info=windows->widget.font_info; text_width=0; for (i=0; i < fonts; i++) if (XTextWidth(font_info,fontlist[i],strlen(fontlist[i])) > text_width) text_width=XTextWidth(font_info,fontlist[i],strlen(fontlist[i])); width=XTextWidth(font_info,action,strlen(action)); if (XTextWidth(font_info,CancelButtonText,strlen(CancelButtonText)) > width) width=XTextWidth(font_info,CancelButtonText,strlen(CancelButtonText)); if (XTextWidth(font_info,ResetButtonText,strlen(ResetButtonText)) > width) width=XTextWidth(font_info,ResetButtonText,strlen(ResetButtonText)); if (XTextWidth(font_info,BackButtonText,strlen(BackButtonText)) > width) width=XTextWidth(font_info,BackButtonText,strlen(BackButtonText)); width+=QuantumMargin; if (XTextWidth(font_info,FontPatternText,strlen(FontPatternText)) > width) width=XTextWidth(font_info,FontPatternText,strlen(FontPatternText)); if (XTextWidth(font_info,FontnameText,strlen(FontnameText)) > width) width=XTextWidth(font_info,FontnameText,strlen(FontnameText)); height=font_info->ascent+font_info->descent; /* Position Font Browser widget. */ windows->widget.width=width+Min(text_width,MaxTextWidth)+6*QuantumMargin; windows->widget.min_width=width+MinTextWidth+4*QuantumMargin; if (windows->widget.width < windows->widget.min_width) windows->widget.width=windows->widget.min_width; windows->widget.height=((85*height) >> 2)+((13*QuantumMargin) >> 1)+4; windows->widget.min_height=((27*height) >> 1)+((13*QuantumMargin) >> 1)+4; if (windows->widget.height < windows->widget.min_height) windows->widget.height=windows->widget.min_height; XQueryPosition(display,windows->widget.root,&x,&y); windows->widget.x=x-((3*windows->widget.width) >> 2); windows->widget.y=y-(windows->widget.height >> 1); XConstrainWindowPosition(display,&windows->widget); /* Map Font Browser widget. */ (void) strcpy(windows->widget.name,"Browse and Select a Font"); status=XStringListToTextProperty(&windows->widget.name,1,&window_name); if (status != 0) { XSetWMName(display,windows->widget.id,&window_name); XFree((void *) window_name.value); } window_changes.width=windows->widget.width; window_changes.height=windows->widget.height; window_changes.x=windows->widget.x; window_changes.y=windows->widget.y; XReconfigureWMWindow(display,windows->widget.id,windows->widget.screen, CWWidth | CWHeight | CWX | CWY,&window_changes); XMapRaised(display,windows->widget.id); windows->widget.mapped=False; /* Respond to X events. */ XGetWidgetInfo((char *) NULL,&slider_info); XGetWidgetInfo((char *) NULL,&north_info); XGetWidgetInfo((char *) NULL,&south_info); visible_fonts=0; delay=SuspendTime << 2; state=UpdateConfigurationState; do { if (state & UpdateConfigurationState) { int id; /* Initialize button information. */ XGetWidgetInfo(CancelButtonText,&cancel_info); cancel_info.width=width; cancel_info.height=(3*height) >> 1; cancel_info.x=windows->widget.width-cancel_info.width-QuantumMargin-2; cancel_info.y=windows->widget.height-cancel_info.height-QuantumMargin; XGetWidgetInfo(action,&action_info); action_info.width=width; action_info.height=(3*height) >> 1; action_info.x=cancel_info.x-(cancel_info.width+(QuantumMargin >> 1)+ (action_info.bevel_width << 1)); action_info.y=cancel_info.y; XGetWidgetInfo(BackButtonText,&back_info); back_info.width=width; back_info.height=(3*height) >> 1; back_info.x=QuantumMargin; back_info.y=((5*QuantumMargin) >> 1)+height; XGetWidgetInfo(ResetButtonText,&reset_info); reset_info.width=width; reset_info.height=(3*height) >> 1; reset_info.x=QuantumMargin; reset_info.y=back_info.y+back_info.height+QuantumMargin; /* Initialize reply information. */ XGetWidgetInfo(reply,&reply_info); reply_info.raised=False; reply_info.bevel_width--; reply_info.width=windows->widget.width-width-((6*QuantumMargin) >> 1); reply_info.height=height << 1; reply_info.x=width+(QuantumMargin << 1); reply_info.y=action_info.y-(action_info.height << 1)-QuantumMargin; /* Initialize mode information. */ XGetWidgetInfo(reply,&mode_info); mode_info.bevel_width=0; mode_info.width=action_info.x-reply_info.x-QuantumMargin; mode_info.height=action_info.height << 1; mode_info.x=reply_info.x; mode_info.y=action_info.y-action_info.height+action_info.bevel_width; /* Initialize scroll information. */ XGetWidgetInfo((char *) NULL,&scroll_info); scroll_info.bevel_width--; scroll_info.width=height; scroll_info.height=reply_info.y-back_info.y-(QuantumMargin >> 1); scroll_info.x=reply_info.x+(reply_info.width-scroll_info.width); scroll_info.y=back_info.y-reply_info.bevel_width; scroll_info.raised=False; scroll_info.trough=True; north_info=scroll_info; north_info.raised=True; north_info.width-=(north_info.bevel_width << 1); north_info.height=north_info.width-1; north_info.x+=north_info.bevel_width; north_info.y+=north_info.bevel_width; south_info=north_info; south_info.y=scroll_info.y+scroll_info.height-scroll_info.bevel_width- south_info.height; id=slider_info.id; slider_info=north_info; slider_info.id=id; slider_info.width-=2; slider_info.min_y=north_info.y+north_info.height+north_info.bevel_width+ slider_info.bevel_width+2; slider_info.height= scroll_info.height-((slider_info.min_y-scroll_info.y+1) << 1)+2; visible_fonts= (scroll_info.height-(height >> 3)-4)/((9*height) >> 3); if (fonts > visible_fonts) slider_info.height=(visible_fonts*slider_info.height)/fonts; slider_info.max_y=south_info.y-south_info.bevel_width- slider_info.bevel_width-2; slider_info.x=scroll_info.x+slider_info.bevel_width+1; slider_info.y=slider_info.min_y; expose_info=scroll_info; expose_info.y=slider_info.y; /* Initialize list information. */ XGetWidgetInfo((char *) NULL,&list_info); list_info.raised=False; list_info.bevel_width--; list_info.width=scroll_info.x-reply_info.x-(QuantumMargin >> 1); list_info.height=scroll_info.height; list_info.x=reply_info.x; list_info.y=scroll_info.y; if (!windows->widget.mapped) for (i=0; i < fonts; i++) if (strcmp(fontlist[i],reply) == 0) list_info.id=i; /* Initialize text information. */ *text='\0'; XGetWidgetInfo(text,&text_info); text_info.center=False; text_info.width=reply_info.width; text_info.height=height; text_info.x=list_info.x-(QuantumMargin >> 1); text_info.y=QuantumMargin; /* Initialize selection information. */ XGetWidgetInfo((char *) NULL,&selection_info); selection_info.center=False; selection_info.width=list_info.width; selection_info.height=(9*height) >> 3; selection_info.x=list_info.x; state&=(~UpdateConfigurationState); } if (state & RedrawWidgetState) { /* Redraw Font Browser window. */ x=QuantumMargin; y=text_info.y+((text_info.height-height) >> 1)+font_info->ascent; XDrawString(display,windows->widget.id,windows->widget.annotate_context, x,y,FontPatternText,strlen(FontPatternText)); (void) sprintf(text_info.text,"%s",glob_pattern); XDrawWidgetText(display,&windows->widget,&text_info); XDrawBeveledButton(display,&windows->widget,&back_info); XDrawBeveledButton(display,&windows->widget,&reset_info); XDrawBeveledMatte(display,&windows->widget,&list_info); XDrawBeveledMatte(display,&windows->widget,&scroll_info); XDrawTriangleNorth(display,&windows->widget,&north_info); XDrawBeveledButton(display,&windows->widget,&slider_info); XDrawTriangleSouth(display,&windows->widget,&south_info); x=QuantumMargin; y=reply_info.y+((reply_info.height-height) >> 1)+font_info->ascent; XDrawString(display,windows->widget.id,windows->widget.annotate_context, x,y,FontnameText,strlen(FontnameText)); XDrawBeveledMatte(display,&windows->widget,&reply_info); XDrawMatteText(display,&windows->widget,&reply_info); XDrawBeveledButton(display,&windows->widget,&action_info); XDrawBeveledButton(display,&windows->widget,&cancel_info); XHighlightWidget(display,&windows->widget,BorderOffset,BorderOffset); selection_info.id=(~0); state|=RedrawActionState; state|=RedrawListState; state&=(~RedrawWidgetState); } if (state & UpdateListState) { char **checklist; int number_fonts; /* Update font list. */ checklist=XListFonts(display,glob_pattern,32767,&number_fonts); if (checklist == (char **) NULL) { if ((strchr(glob_pattern,'*') == (char *) NULL) && (strchr(glob_pattern,'?') == (char *) NULL)) { /* Might be a scaleable font-- exit. */ (void) strcpy(reply,glob_pattern); (void) strcpy(glob_pattern,back_pattern); action_info.raised=False; XDrawBeveledButton(display,&windows->widget,&action_info); break; } (void) strcpy(glob_pattern,back_pattern); XBell(display,0); } else if (number_fonts == 1) { /* Reply is a single font name-- exit. */ (void) strcpy(reply,checklist[0]); (void) strcpy(glob_pattern,back_pattern); XFreeFontNames(checklist); action_info.raised=False; XDrawBeveledButton(display,&windows->widget,&action_info); break; } else { XFreeFontNames(listhead); free((char *) fontlist); fontlist=checklist; fonts=number_fonts; } /* Sort font list in ascending order. */ listhead=fontlist; fontlist=(char **) malloc(fonts*sizeof(char **)); if (fontlist == (char **) NULL) { XNoticeWidget(display,windows,"Unable to view fonts:", "Memory allocation failed"); return; } for (i=0; i < fonts; i++) fontlist[i]=listhead[i]; qsort((void *) fontlist,fonts,sizeof(char **), (int (*) _Declare((const void *, const void *))) FontCompare); slider_info.height= scroll_info.height-((slider_info.min_y-scroll_info.y+1) << 1)+1; if (fonts > visible_fonts) slider_info.height=(visible_fonts*slider_info.height)/fonts; slider_info.max_y=south_info.y-south_info.bevel_width- slider_info.bevel_width-2; slider_info.id=0; slider_info.y=slider_info.min_y; expose_info.y=slider_info.y; selection_info.id=(~0); list_info.id=(~0); state|=RedrawListState; /* Redraw font name & reply. */ *reply_info.text='\0'; reply_info.cursor=reply_info.text; (void) sprintf(text_info.text,"%s",glob_pattern); XDrawWidgetText(display,&windows->widget,&text_info); XDrawMatteText(display,&windows->widget,&reply_info); XDrawBeveledMatte(display,&windows->widget,&scroll_info); XDrawTriangleNorth(display,&windows->widget,&north_info); XDrawBeveledButton(display,&windows->widget,&slider_info); XDrawTriangleSouth(display,&windows->widget,&south_info); XHighlightWidget(display,&windows->widget,BorderOffset,BorderOffset); state&=(~UpdateListState); } if (state & RedrawListState) { /* Determine slider id and position. */ if (slider_info.id >= (int) (fonts-visible_fonts)) slider_info.id=fonts-visible_fonts; if ((slider_info.id < 0) || (fonts <= visible_fonts)) slider_info.id=0; slider_info.y=slider_info.min_y; if (fonts > 0) slider_info.y+= slider_info.id*(slider_info.max_y-slider_info.min_y+1)/fonts; if (slider_info.id != selection_info.id) { /* Redraw scroll bar and file names. */ selection_info.id=slider_info.id; selection_info.y=list_info.y+(height >> 3)+2; for (i=0; i < visible_fonts; i++) { selection_info.raised=(slider_info.id+i) != list_info.id; selection_info.text=(char *) NULL; if ((slider_info.id+i) < fonts) selection_info.text=fontlist[slider_info.id+i]; XDrawWidgetText(display,&windows->widget,&selection_info); selection_info.y+=(int) selection_info.height; } /* Update slider. */ if (slider_info.y > expose_info.y) { expose_info.height=slider_info.y-expose_info.y; expose_info.y=slider_info.y-expose_info.height- slider_info.bevel_width-1; } else { expose_info.height=expose_info.y-slider_info.y; expose_info.y=slider_info.y+slider_info.height+ slider_info.bevel_width+1; } XDrawTriangleNorth(display,&windows->widget,&north_info); XDrawMatte(display,&windows->widget,&expose_info); XDrawBeveledButton(display,&windows->widget,&slider_info); XDrawTriangleSouth(display,&windows->widget,&south_info); expose_info.y=slider_info.y; } state&=(~RedrawListState); } if (state & RedrawActionState) { XFontStruct *font_info, *save_info; /* Display the selected font in a drawing area. */ save_info=windows->widget.font_info; font_info=XLoadQueryFont(display,reply_info.text); if (font_info != (XFontStruct *) NULL) { windows->widget.font_info=font_info;; XSetFont(display,windows->widget.widget_context,font_info->fid); } XDrawBeveledButton(display,&windows->widget,&mode_info); windows->widget.font_info=save_info; if (font_info != (XFontStruct *) NULL) { XSetFont(display,windows->widget.widget_context, windows->widget.font_info->fid); XFreeFont(display,font_info); } XHighlightWidget(display,&windows->widget,BorderOffset,BorderOffset); XDrawMatteText(display,&windows->widget,&reply_info); state&=(~RedrawActionState); } /* Wait for next event. */ if (north_info.raised && south_info.raised) XIfEvent(display,&event,XScreenEvent,(char *) windows); else { /* Brief delay before advancing scroll bar. */ XDelay(display,delay); delay=SuspendTime; XCheckIfEvent(display,&event,XScreenEvent,(char *) windows); if (!north_info.raised) if (slider_info.id > 0) { /* Move slider up. */ slider_info.id--; state|=RedrawListState; } if (!south_info.raised) if (slider_info.id < fonts) { /* Move slider down. */ slider_info.id++; state|=RedrawListState; } if (event.type != ButtonRelease) continue; } switch (event.type) { case ButtonPress: { if (MatteIsActive(slider_info,event.xbutton)) { /* Track slider. */ slider_info.active=True; break; } if (MatteIsActive(north_info,event.xbutton)) if (slider_info.id > 0) { /* Move slider up. */ north_info.raised=False; slider_info.id--; state|=RedrawListState; break; } if (MatteIsActive(south_info,event.xbutton)) if (slider_info.id < fonts) { /* Move slider down. */ south_info.raised=False; slider_info.id++; state|=RedrawListState; break; } if (MatteIsActive(scroll_info,event.xbutton)) { /* Move slider. */ if (event.xbutton.y < slider_info.y) slider_info.id-=(visible_fonts-1); else slider_info.id+=(visible_fonts-1); state|=RedrawListState; break; } if (MatteIsActive(list_info,event.xbutton)) { unsigned int id; /* User pressed list matte. */ id=slider_info.id+(event.xbutton.y-(list_info.y+(height >> 1))+1)/ selection_info.height; if (id >= fonts) break; (void) strcpy(reply_info.text,fontlist[id]); reply_info.highlight=False; reply_info.marker=reply_info.text; reply_info.cursor=reply_info.text+strlen(reply_info.text); XDrawMatteText(display,&windows->widget,&reply_info); state|=RedrawActionState; if (id == list_info.id) { (void) strcpy(glob_pattern,reply_info.text); state|=UpdateListState; } selection_info.id=(~0); list_info.id=id; state|=RedrawListState; break; } if (MatteIsActive(back_info,event.xbutton)) { /* User pressed Back button. */ back_info.raised=False; XDrawBeveledButton(display,&windows->widget,&back_info); break; } if (MatteIsActive(reset_info,event.xbutton)) { /* User pressed Reset button. */ reset_info.raised=False; XDrawBeveledButton(display,&windows->widget,&reset_info); break; } if (MatteIsActive(action_info,event.xbutton)) { /* User pressed action button. */ action_info.raised=False; XDrawBeveledButton(display,&windows->widget,&action_info); break; } if (MatteIsActive(cancel_info,event.xbutton)) { /* User pressed Cancel button. */ cancel_info.raised=False; XDrawBeveledButton(display,&windows->widget,&cancel_info); break; } if (!MatteIsActive(reply_info,event.xbutton)) break; if (event.xbutton.button != Button2) { static Time click_time; /* Move text cursor to position of button press. */ x=event.xbutton.x-reply_info.x-(QuantumMargin >> 2); for (i=1; i <= (int) strlen(reply_info.marker); i++) if (XTextWidth(font_info,reply_info.marker,i) > x) break; reply_info.cursor=reply_info.marker+i-1; if (event.xbutton.time > (click_time+DoubleClick)) reply_info.highlight=False; else { /* Become the XA_PRIMARY selection owner. */ (void) strcpy(primary_selection,reply_info.text); XSetSelectionOwner(display,XA_PRIMARY,windows->widget.id, event.xbutton.time); reply_info.highlight=XGetSelectionOwner(display,XA_PRIMARY) == windows->widget.id; } XDrawMatteText(display,&windows->widget,&reply_info); click_time=event.xbutton.time; break; } /* Request primary selection. */ XConvertSelection(display,XA_PRIMARY,XA_STRING,XA_STRING, windows->widget.id,event.xbutton.time); break; } case ButtonRelease: { if (!windows->widget.mapped) break; if (!north_info.raised) { /* User released up button. */ delay=SuspendTime << 2; north_info.raised=True; XDrawTriangleNorth(display,&windows->widget,&north_info); } if (!south_info.raised) { /* User released down button. */ delay=SuspendTime << 2; south_info.raised=True; XDrawTriangleSouth(display,&windows->widget,&south_info); } if (slider_info.active) { /* Stop tracking slider. */ slider_info.active=False; break; } if (!back_info.raised) { if (event.xbutton.window == windows->widget.id) if (MatteIsActive(back_info,event.xbutton)) { (void) strcpy(glob_pattern,back_pattern); state|=UpdateListState; } back_info.raised=True; XDrawBeveledButton(display,&windows->widget,&back_info); } if (!reset_info.raised) { if (event.xbutton.window == windows->widget.id) if (MatteIsActive(reset_info,event.xbutton)) { (void) strcpy(back_pattern,glob_pattern); (void) strcpy(glob_pattern,reset_pattern); state|=UpdateListState; } reset_info.raised=True; XDrawBeveledButton(display,&windows->widget,&reset_info); } if (!action_info.raised) { if (event.xbutton.window == windows->widget.id) if (MatteIsActive(action_info,event.xbutton)) if (*reply_info.text == '\0') XBell(display,0); else state|=ExitState; action_info.raised=True; XDrawBeveledButton(display,&windows->widget,&action_info); } if (!cancel_info.raised) { if (event.xbutton.window == windows->widget.id) if (MatteIsActive(cancel_info,event.xbutton)) { *reply_info.text='\0'; state|=ExitState; } cancel_info.raised=True; XDrawBeveledButton(display,&windows->widget,&cancel_info); } break; } case ClientMessage: { /* If client window delete message, exit. */ if (event.xclient.message_type != windows->wm_protocols) break; if (*event.xclient.data.l == windows->wm_take_focus) { XSetInputFocus(display,event.xclient.window,RevertToParent, event.xclient.data.l[1]); break; } if (*event.xclient.data.l != windows->wm_delete_window) break; if (event.xclient.window == windows->widget.id) { *reply_info.text='\0'; state|=ExitState; break; } break; } case ConfigureNotify: { /* Update widget configuration. */ if (event.xconfigure.window != windows->widget.id) break; if ((event.xconfigure.width == windows->widget.width) && (event.xconfigure.height == windows->widget.height)) break; windows->widget.width= Max(event.xconfigure.width,windows->widget.min_width); windows->widget.height= Max(event.xconfigure.height,windows->widget.min_height); state|=UpdateConfigurationState; break; } case EnterNotify: { if (event.xcrossing.window != windows->widget.id) break; state&=(~InactiveWidgetState); break; } case Expose: { if (event.xexpose.window != windows->widget.id) break; if (event.xexpose.count != 0) break; state|=RedrawWidgetState; break; } case KeyPress: { static char command[MaxTextLength]; static int length; static KeySym key_symbol; if (event.xkey.window != windows->widget.id) break; /* Respond to a user key press. */ length=XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); *(command+length)='\0'; if (AreaIsActive(scroll_info,event.xkey)) { /* Move slider. */ switch (key_symbol) { case XK_Home: case XK_KP_Home: { slider_info.id=0; break; } case XK_Up: case XK_KP_Up: { slider_info.id--; break; } case XK_Down: case XK_KP_Down: { slider_info.id++; break; } case XK_Prior: case XK_KP_Prior: { slider_info.id-=visible_fonts; break; } case XK_Next: case XK_KP_Next: { slider_info.id+=visible_fonts; break; } case XK_End: case XK_KP_End: { slider_info.id=fonts; break; } } state|=RedrawListState; break; } if ((key_symbol == XK_Return) || (key_symbol == XK_KP_Enter)) { /* Read new font or glob patterm. */ if (*reply_info.text == '\0') break; (void) strcpy(back_pattern,glob_pattern); (void) strcpy(glob_pattern,reply_info.text); state|=UpdateListState; break; } if (key_symbol == XK_Control_L) { state|=ControlState; break; } if (state & ControlState) switch (key_symbol) { case XK_u: case XK_U: { /* Erase the entire line of text. */ *reply_info.text='\0'; reply_info.cursor=reply_info.text; reply_info.marker=reply_info.text; reply_info.highlight=False; break; } default: break; } XEditText(display,&reply_info,key_symbol,command,state); XDrawMatteText(display,&windows->widget,&reply_info); break; } case KeyRelease: { static char command[MaxTextLength]; static KeySym key_symbol; if (event.xkey.window != windows->widget.id) break; /* Respond to a user key release. */ (void) XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); if (key_symbol == XK_Control_L) state&=(~ControlState); break; } case LeaveNotify: { if (event.xcrossing.window != windows->widget.id) break; state|=InactiveWidgetState; break; } case MotionNotify: { /* Discard pending button motion events. */ while (XCheckMaskEvent(display,ButtonMotionMask,&event)); if (slider_info.active) { /* Move slider matte. */ slider_info.y=event.xmotion.y- ((slider_info.height+slider_info.bevel_width) >> 1)+1; if (slider_info.y < slider_info.min_y) slider_info.y=slider_info.min_y; if (slider_info.y > slider_info.max_y) slider_info.y=slider_info.max_y; slider_info.id=0; if (slider_info.y != slider_info.min_y) slider_info.id=(fonts*(slider_info.y-slider_info.min_y+1))/ (slider_info.max_y-slider_info.min_y+1); state|=RedrawListState; break; } if (state & InactiveWidgetState) break; if (back_info.raised == MatteIsActive(back_info,event.xmotion)) { /* Back button status changed. */ back_info.raised=!back_info.raised; XDrawBeveledButton(display,&windows->widget,&back_info); break; } if (reset_info.raised == MatteIsActive(reset_info,event.xmotion)) { /* Reset button status changed. */ reset_info.raised=!reset_info.raised; XDrawBeveledButton(display,&windows->widget,&reset_info); break; } if (action_info.raised == MatteIsActive(action_info,event.xmotion)) { /* Action button status changed. */ action_info.raised=!action_info.raised; XDrawBeveledButton(display,&windows->widget,&action_info); break; } if (cancel_info.raised == MatteIsActive(cancel_info,event.xmotion)) { /* Cancel button status changed. */ cancel_info.raised=!cancel_info.raised; XDrawBeveledButton(display,&windows->widget,&cancel_info); break; } break; } case SelectionClear: { reply_info.highlight=False; XDrawMatteText(display,&windows->widget,&reply_info); break; } case SelectionNotify: { Atom type; int format, status; unsigned char *data; unsigned long after, length; /* Obtain response from primary selection. */ if (event.xselection.property == (Atom) None) break; status=XGetWindowProperty(display,event.xselection.requestor, event.xselection.property,0L,2047L,True,XA_STRING,&type,&format, &length,&after,&data); if ((status != Success) || (type != XA_STRING) || (format == 32) || (length == 0)) break; if ((strlen(reply_info.text)+length) >= MaxTextLength) XBell(display,0); else { /* Insert primary selection in reply text. */ *(data+length)='\0'; XEditText(display,&reply_info,(KeySym) XK_Insert,(char *) data, state); XDrawMatteText(display,&windows->widget,&reply_info); state|=RedrawActionState; } XFree((void *) data); break; } case SelectionRequest: { XSelectionEvent notify; XSelectionRequestEvent *request; /* Set XA_PRIMARY selection. */ request=(&(event.xselectionrequest)); XChangeProperty(request->display,request->requestor,request->property, request->target,8,PropModeReplace,(unsigned char *) primary_selection, strlen(primary_selection)); notify.type=SelectionNotify; notify.display=request->display; notify.requestor=request->requestor; notify.selection=request->selection; notify.target=request->target; notify.time=request->time; if (request->property == None) notify.property=request->target; else notify.property=request->property; (void) XSendEvent(request->display,request->requestor,False,0, (XEvent *) ¬ify); } default: break; } } while (!(state & ExitState)); XSetCursorState(display,windows,False); XWithdrawWindow(display,windows->widget.id,windows->widget.screen); XCheckRefreshWindows(display,windows); /* Free font list. */ XFreeFontNames(listhead); free((char *) fontlist); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X I n f o W i d g e t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XInfoWidget displays text in the Info widget. The purpose is to % inform the user that what activity is currently being performed (e.g. % reading an image, rotating an image, etc.). % % The format of the XInfoWidget routine is: % % XInfoWidget(display,windows,activity) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o window: Specifies a pointer to a XWindows structure. % % o activity: This character string reflects the current activity and is % displayed in the Info widget. % % */ void XInfoWidget(display,windows,activity) Display *display; XWindows *windows; char *activity; { unsigned int height, margin, width; XFontStruct *font_info; XWidgetInfo monitor_info; XWindowChanges window_changes; /* Map Info widget. */ font_info=windows->info.font_info; width= XTextWidth(font_info,activity,strlen(activity))+((3*QuantumMargin) >> 1)+2; height=((6*(font_info->ascent+font_info->descent)) >> 2)+2; if ((windows->info.width != width) || (windows->info.height != height)) { /* Size Info widget to accomodate the activity text. */ windows->info.width=width; windows->info.height=height; window_changes.width=width; window_changes.height=height; XReconfigureWMWindow(display,windows->info.id,windows->info.screen, CWWidth | CWHeight,&window_changes); } if (!windows->info.mapped) XMapWindow(display,windows->info.id); /* Initialize Info matte information. */ height=font_info->ascent+font_info->descent; XGetWidgetInfo(activity,&monitor_info); monitor_info.bevel_width--; margin=monitor_info.bevel_width+((windows->info.height-height) >> 1)-2; monitor_info.raised=False; monitor_info.x=margin; monitor_info.y=margin; monitor_info.width=windows->info.width-(margin << 1); monitor_info.height=windows->info.height-(margin << 1); /* Draw Info widget. */ XDrawBeveledMatte(display,&windows->info,&monitor_info); monitor_info.raised=True; XDrawWidgetText(display,&windows->info,&monitor_info); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X L i s t B r o w s e r W i d g e t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XListBrowserWidget displays a List Browser widget with a query to % the user. The user keys a reply or select a reply from the list. Finally, % the user presses the Action or Cancel button to exit. The typed text is % returned as the reply function parameter. % % The format of the XListBrowserWidget routine is: % % XListBrowserWidget(display,windows,window_info,list,action,query,reply) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o window: Specifies a pointer to a XWindows structure. % % o list: Specifies a pointer to an array of strings. The user can % select from these strings as a possible reply value. % % o action: Specifies a pointer to the action of this widget. % % o query: Specifies a pointer to the query to present to the user. % % o reply: The response from the user is returned in this parameter. % % */ void XListBrowserWidget(display,windows,window_info,list,action,query,reply) Display *display; XWindows *windows; XWindowInfo *window_info; char **list, *action, *query, *reply; { #define CancelButtonText "Cancel" char primary_selection[MaxTextLength]; int entries, status, x, y; register int i; unsigned int height, text_width, visible_entries, width; unsigned long delay, state; XEvent event; XFontStruct *font_info; XTextProperty window_name; XWidgetInfo action_info, cancel_info, expose_info, list_info, north_info, reply_info, scroll_info, selection_info, slider_info, south_info, text_info; XWindowChanges window_changes; /* Count the number of entries in the list. */ XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); if (list == (char **) NULL) { XNoticeWidget(display,windows,"No text to browse:",(char *) NULL); return; } for (entries=0; ; entries++) if (list[entries] == (char *) NULL) break; /* Determine Font Browser widget attributes. */ font_info=window_info->font_info; text_width=XTextWidth(font_info,query,strlen(query)); for (i=0; i < entries; i++) if (XTextWidth(font_info,list[i],strlen(list[i])) > text_width) text_width=XTextWidth(font_info,list[i],strlen(list[i])); width=XTextWidth(font_info,action,strlen(action)); if (XTextWidth(font_info,CancelButtonText,strlen(CancelButtonText)) > width) width=XTextWidth(font_info,CancelButtonText,strlen(CancelButtonText)); width+=QuantumMargin; height=font_info->ascent+font_info->descent; /* Position Font Browser widget. */ window_info->width=Min(text_width,MaxTextWidth)+((9*QuantumMargin) >> 1); window_info->min_width=MinTextWidth+4*QuantumMargin; if (window_info->width < window_info->min_width) window_info->width=window_info->min_width; window_info->height=((81*height) >> 2)+((13*QuantumMargin) >> 1)+4; window_info->min_height=((23*height) >> 1)+((13*QuantumMargin) >> 1)+4; if (window_info->height < window_info->min_height) window_info->height=window_info->min_height; XQueryPosition(display,window_info->root,&x,&y); window_info->x=x-((3*window_info->width) >> 2); window_info->y=y-(window_info->height >> 1); XConstrainWindowPosition(display,window_info); /* Map Font Browser widget. */ (void) strcpy(window_info->name,"Browse"); status=XStringListToTextProperty(&window_info->name,1,&window_name); if (status != 0) { XSetWMName(display,window_info->id,&window_name); XFree((void *) window_name.value); } window_changes.width=window_info->width; window_changes.height=window_info->height; window_changes.x=window_info->x; window_changes.y=window_info->y; XReconfigureWMWindow(display,window_info->id,window_info->screen,CWWidth | CWHeight | CWX | CWY,&window_changes); XMapRaised(display,window_info->id); window_info->mapped=False; /* Respond to X events. */ XGetWidgetInfo((char *) NULL,&slider_info); XGetWidgetInfo((char *) NULL,&north_info); XGetWidgetInfo((char *) NULL,&south_info); visible_entries=0; delay=SuspendTime << 2; state=UpdateConfigurationState; do { if (state & UpdateConfigurationState) { int id; /* Initialize button information. */ XGetWidgetInfo(CancelButtonText,&cancel_info); cancel_info.width=width; cancel_info.height=(3*height) >> 1; cancel_info.x=window_info->width-cancel_info.width-QuantumMargin-2; cancel_info.y=window_info->height-cancel_info.height-QuantumMargin; XGetWidgetInfo(action,&action_info); action_info.width=width; action_info.height=(3*height) >> 1; action_info.x=cancel_info.x-(cancel_info.width+(QuantumMargin >> 1)+ (action_info.bevel_width << 1)); action_info.y=cancel_info.y; /* Initialize reply information. */ XGetWidgetInfo(reply,&reply_info); reply_info.raised=False; reply_info.bevel_width--; reply_info.width=window_info->width-((4*QuantumMargin) >> 1); reply_info.height=height << 1; reply_info.x=QuantumMargin; reply_info.y=action_info.y-reply_info.height-QuantumMargin; /* Initialize scroll information. */ XGetWidgetInfo((char *) NULL,&scroll_info); scroll_info.bevel_width--; scroll_info.width=height; scroll_info.height=reply_info.y-((6*QuantumMargin) >> 1)-height; scroll_info.x=reply_info.x+(reply_info.width-scroll_info.width); scroll_info.y=((5*QuantumMargin) >> 1)+height-reply_info.bevel_width; scroll_info.raised=False; scroll_info.trough=True; north_info=scroll_info; north_info.raised=True; north_info.width-=(north_info.bevel_width << 1); north_info.height=north_info.width-1; north_info.x+=north_info.bevel_width; north_info.y+=north_info.bevel_width; south_info=north_info; south_info.y=scroll_info.y+scroll_info.height-scroll_info.bevel_width- south_info.height; id=slider_info.id; slider_info=north_info; slider_info.id=id; slider_info.width-=2; slider_info.min_y=north_info.y+north_info.height+north_info.bevel_width+ slider_info.bevel_width+2; slider_info.height= scroll_info.height-((slider_info.min_y-scroll_info.y+1) << 1)+2; visible_entries= (scroll_info.height-(height >> 3)-4)/((9*height) >> 3); if (entries > visible_entries) slider_info.height=(visible_entries*slider_info.height)/entries; slider_info.max_y=south_info.y-south_info.bevel_width- slider_info.bevel_width-2; slider_info.x=scroll_info.x+slider_info.bevel_width+1; slider_info.y=slider_info.min_y; expose_info=scroll_info; expose_info.y=slider_info.y; /* Initialize list information. */ XGetWidgetInfo((char *) NULL,&list_info); list_info.raised=False; list_info.bevel_width--; list_info.width=scroll_info.x-reply_info.x-(QuantumMargin >> 1); list_info.height=scroll_info.height; list_info.x=reply_info.x; list_info.y=scroll_info.y; if (!window_info->mapped) for (i=0; i < entries; i++) if (strcmp(list[i],reply) == 0) list_info.id=i; /* Initialize text information. */ XGetWidgetInfo(query,&text_info); text_info.width=reply_info.width; text_info.height=height; text_info.x=list_info.x-(QuantumMargin >> 1); text_info.y=QuantumMargin; /* Initialize selection information. */ XGetWidgetInfo((char *) NULL,&selection_info); selection_info.center=False; selection_info.width=list_info.width; selection_info.height=(9*height) >> 3; selection_info.x=list_info.x; state&=(~UpdateConfigurationState); } if (state & RedrawWidgetState) { /* Redraw List Browser window. */ x=QuantumMargin; y=text_info.y+((text_info.height-height) >> 1)+font_info->ascent; XDrawWidgetText(display,window_info,&text_info); XDrawBeveledMatte(display,window_info,&list_info); XDrawBeveledMatte(display,window_info,&scroll_info); XDrawTriangleNorth(display,window_info,&north_info); XDrawBeveledButton(display,window_info,&slider_info); XDrawTriangleSouth(display,window_info,&south_info); x=QuantumMargin; y=reply_info.y+((reply_info.height-height) >> 1)+font_info->ascent; XDrawBeveledMatte(display,window_info,&reply_info); XDrawMatteText(display,window_info,&reply_info); XDrawBeveledButton(display,window_info,&action_info); XDrawBeveledButton(display,window_info,&cancel_info); XHighlightWidget(display,window_info,BorderOffset,BorderOffset); selection_info.id=(~0); state|=RedrawActionState; state|=RedrawListState; state&=(~RedrawWidgetState); } if (state & RedrawListState) { /* Determine slider id and position. */ if (slider_info.id >= (int) (entries-visible_entries)) slider_info.id=entries-visible_entries; if ((slider_info.id < 0) || (entries <= visible_entries)) slider_info.id=0; slider_info.y=slider_info.min_y; if (entries > 0) slider_info.y+= slider_info.id*(slider_info.max_y-slider_info.min_y+1)/entries; if (slider_info.id != selection_info.id) { /* Redraw scroll bar and file names. */ selection_info.id=slider_info.id; selection_info.y=list_info.y+(height >> 3)+2; for (i=0; i < visible_entries; i++) { selection_info.raised=(slider_info.id+i) != list_info.id; selection_info.text=(char *) NULL; if ((slider_info.id+i) < entries) selection_info.text=list[slider_info.id+i]; XDrawWidgetText(display,window_info,&selection_info); selection_info.y+=(int) selection_info.height; } /* Update slider. */ if (slider_info.y > expose_info.y) { expose_info.height=slider_info.y-expose_info.y; expose_info.y=slider_info.y-expose_info.height- slider_info.bevel_width-1; } else { expose_info.height=expose_info.y-slider_info.y; expose_info.y=slider_info.y+slider_info.height+ slider_info.bevel_width+1; } XDrawTriangleNorth(display,window_info,&north_info); XDrawMatte(display,window_info,&expose_info); XDrawBeveledButton(display,window_info,&slider_info); XDrawTriangleSouth(display,window_info,&south_info); expose_info.y=slider_info.y; } state&=(~RedrawListState); } /* Wait for next event. */ if (north_info.raised && south_info.raised) XIfEvent(display,&event,XScreenEvent,(char *) windows); else { /* Brief delay before advancing scroll bar. */ XDelay(display,delay); delay=SuspendTime; XCheckIfEvent(display,&event,XScreenEvent,(char *) windows); if (!north_info.raised) if (slider_info.id > 0) { /* Move slider up. */ slider_info.id--; state|=RedrawListState; } if (!south_info.raised) if (slider_info.id < entries) { /* Move slider down. */ slider_info.id++; state|=RedrawListState; } if (event.type != ButtonRelease) continue; } switch (event.type) { case ButtonPress: { if (MatteIsActive(slider_info,event.xbutton)) { /* Track slider. */ slider_info.active=True; break; } if (MatteIsActive(north_info,event.xbutton)) if (slider_info.id > 0) { /* Move slider up. */ north_info.raised=False; slider_info.id--; state|=RedrawListState; break; } if (MatteIsActive(south_info,event.xbutton)) if (slider_info.id < entries) { /* Move slider down. */ south_info.raised=False; slider_info.id++; state|=RedrawListState; break; } if (MatteIsActive(scroll_info,event.xbutton)) { /* Move slider. */ if (event.xbutton.y < slider_info.y) slider_info.id-=(visible_entries-1); else slider_info.id+=(visible_entries-1); state|=RedrawListState; break; } if (MatteIsActive(list_info,event.xbutton)) { unsigned int id; /* User pressed list matte. */ id=slider_info.id+(event.xbutton.y-(list_info.y+(height >> 1))+1)/ selection_info.height; if (id >= entries) break; (void) strcpy(reply_info.text,list[id]); reply_info.highlight=False; reply_info.marker=reply_info.text; reply_info.cursor=reply_info.text+strlen(reply_info.text); XDrawMatteText(display,window_info,&reply_info); selection_info.id=(~0); if (id == list_info.id) { action_info.raised=False; XDrawBeveledButton(display,window_info,&action_info); state|=ExitState; } list_info.id=id; state|=RedrawListState; break; } if (MatteIsActive(action_info,event.xbutton)) { /* User pressed action button. */ action_info.raised=False; XDrawBeveledButton(display,window_info,&action_info); break; } if (MatteIsActive(cancel_info,event.xbutton)) { /* User pressed Cancel button. */ cancel_info.raised=False; XDrawBeveledButton(display,window_info,&cancel_info); break; } if (!MatteIsActive(reply_info,event.xbutton)) break; if (event.xbutton.button != Button2) { static Time click_time; /* Move text cursor to position of button press. */ x=event.xbutton.x-reply_info.x-(QuantumMargin >> 2); for (i=1; i <= (int) strlen(reply_info.marker); i++) if (XTextWidth(font_info,reply_info.marker,i) > x) break; reply_info.cursor=reply_info.marker+i-1; if (event.xbutton.time > (click_time+DoubleClick)) reply_info.highlight=False; else { /* Become the XA_PRIMARY selection owner. */ (void) strcpy(primary_selection,reply_info.text); XSetSelectionOwner(display,XA_PRIMARY,window_info->id, event.xbutton.time); reply_info.highlight=XGetSelectionOwner(display,XA_PRIMARY) == window_info->id; } XDrawMatteText(display,window_info,&reply_info); click_time=event.xbutton.time; break; } /* Request primary selection. */ XConvertSelection(display,XA_PRIMARY,XA_STRING,XA_STRING, window_info->id,event.xbutton.time); break; } case ButtonRelease: { if (!window_info->mapped) break; if (!north_info.raised) { /* User released up button. */ delay=SuspendTime << 2; north_info.raised=True; XDrawTriangleNorth(display,window_info,&north_info); } if (!south_info.raised) { /* User released down button. */ delay=SuspendTime << 2; south_info.raised=True; XDrawTriangleSouth(display,window_info,&south_info); } if (slider_info.active) { /* Stop tracking slider. */ slider_info.active=False; break; } if (!action_info.raised) { if (event.xbutton.window == window_info->id) if (MatteIsActive(action_info,event.xbutton)) if (*reply_info.text == '\0') XBell(display,0); else state|=ExitState; action_info.raised=True; XDrawBeveledButton(display,window_info,&action_info); } if (!cancel_info.raised) { if (event.xbutton.window == window_info->id) if (MatteIsActive(cancel_info,event.xbutton)) { *reply_info.text='\0'; state|=ExitState; } cancel_info.raised=True; XDrawBeveledButton(display,window_info,&cancel_info); } if (!MatteIsActive(reply_info,event.xbutton)) break; break; } case ClientMessage: { /* If client window delete message, exit. */ if (event.xclient.message_type != windows->wm_protocols) break; if (*event.xclient.data.l == windows->wm_take_focus) { XSetInputFocus(display,event.xclient.window,RevertToParent, event.xclient.data.l[1]); break; } if (*event.xclient.data.l != windows->wm_delete_window) break; if (event.xclient.window == window_info->id) { *reply_info.text='\0'; state|=ExitState; break; } break; } case ConfigureNotify: { /* Update widget configuration. */ if (event.xconfigure.window != window_info->id) break; if ((event.xconfigure.width == window_info->width) && (event.xconfigure.height == window_info->height)) break; window_info->width= Max(event.xconfigure.width,window_info->min_width); window_info->height= Max(event.xconfigure.height,window_info->min_height); state|=UpdateConfigurationState; break; } case EnterNotify: { if (event.xcrossing.window != window_info->id) break; state&=(~InactiveWidgetState); break; } case Expose: { if (event.xexpose.window != window_info->id) break; if (event.xexpose.count != 0) break; state|=RedrawWidgetState; break; } case KeyPress: { static char command[MaxTextLength]; static int length; static KeySym key_symbol; if (event.xkey.window != window_info->id) break; /* Respond to a user key press. */ length=XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); *(command+length)='\0'; if (AreaIsActive(scroll_info,event.xkey)) { /* Move slider. */ switch (key_symbol) { case XK_Home: case XK_KP_Home: { slider_info.id=0; break; } case XK_Up: case XK_KP_Up: { slider_info.id--; break; } case XK_Down: case XK_KP_Down: { slider_info.id++; break; } case XK_Prior: case XK_KP_Prior: { slider_info.id-=visible_entries; break; } case XK_Next: case XK_KP_Next: { slider_info.id+=visible_entries; break; } case XK_End: case XK_KP_End: { slider_info.id=entries; break; } } state|=RedrawListState; break; } if ((key_symbol == XK_Return) || (key_symbol == XK_KP_Enter)) { /* Read new entry. */ if (*reply_info.text == '\0') break; action_info.raised=False; XDrawBeveledButton(display,window_info,&action_info); state|=ExitState; break; } if (key_symbol == XK_Control_L) { state|=ControlState; break; } if (state & ControlState) switch (key_symbol) { case XK_u: case XK_U: { /* Erase the entire line of text. */ *reply_info.text='\0'; reply_info.cursor=reply_info.text; reply_info.marker=reply_info.text; reply_info.highlight=False; break; } default: break; } XEditText(display,&reply_info,key_symbol,command,state); XDrawMatteText(display,window_info,&reply_info); break; } case KeyRelease: { static char command[MaxTextLength]; static KeySym key_symbol; if (event.xkey.window != window_info->id) break; /* Respond to a user key release. */ (void) XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); if (key_symbol == XK_Control_L) state&=(~ControlState); break; } case LeaveNotify: { if (event.xcrossing.window != window_info->id) break; state|=InactiveWidgetState; break; } case MotionNotify: { /* Discard pending button motion events. */ while (XCheckMaskEvent(display,ButtonMotionMask,&event)); if (slider_info.active) { /* Move slider matte. */ slider_info.y=event.xmotion.y- ((slider_info.height+slider_info.bevel_width) >> 1)+1; if (slider_info.y < slider_info.min_y) slider_info.y=slider_info.min_y; if (slider_info.y > slider_info.max_y) slider_info.y=slider_info.max_y; slider_info.id=0; if (slider_info.y != slider_info.min_y) slider_info.id=(entries*(slider_info.y-slider_info.min_y+1))/ (slider_info.max_y-slider_info.min_y+1); state|=RedrawListState; break; } if (state & InactiveWidgetState) break; if (action_info.raised == MatteIsActive(action_info,event.xmotion)) { /* Action button status changed. */ action_info.raised=!action_info.raised; XDrawBeveledButton(display,window_info,&action_info); break; } if (cancel_info.raised == MatteIsActive(cancel_info,event.xmotion)) { /* Cancel button status changed. */ cancel_info.raised=!cancel_info.raised; XDrawBeveledButton(display,window_info,&cancel_info); break; } break; } case SelectionClear: { reply_info.highlight=False; XDrawMatteText(display,window_info,&reply_info); break; } case SelectionNotify: { Atom type; int format, status; unsigned char *data; unsigned long after, length; /* Obtain response from primary selection. */ if (event.xselection.property == (Atom) None) break; status=XGetWindowProperty(display,event.xselection.requestor, event.xselection.property,0L,2047L,True,XA_STRING,&type,&format, &length,&after,&data); if ((status != Success) || (type != XA_STRING) || (format == 32) || (length == 0)) break; if ((strlen(reply_info.text)+length) >= MaxTextLength) XBell(display,0); else { /* Insert primary selection in reply text. */ *(data+length)='\0'; XEditText(display,&reply_info,(KeySym) XK_Insert,(char *) data, state); XDrawMatteText(display,window_info,&reply_info); state|=RedrawActionState; } XFree((void *) data); break; } case SelectionRequest: { XSelectionEvent notify; XSelectionRequestEvent *request; if (!reply_info.highlight) break; /* Set primary selection. */ request=(&(event.xselectionrequest)); XChangeProperty(request->display,request->requestor,request->property, request->target,8,PropModeReplace,(unsigned char *) primary_selection, strlen(primary_selection)); notify.type=SelectionNotify; notify.send_event=True; notify.display=request->display; notify.requestor=request->requestor; notify.selection=request->selection; notify.target=request->target; notify.time=request->time; if (request->property == None) notify.property=request->target; else notify.property=request->property; (void) XSendEvent(request->display,request->requestor,False,NoEventMask, (XEvent *) ¬ify); } default: break; } } while (!(state & ExitState)); XSetCursorState(display,windows,False); XWithdrawWindow(display,window_info->id,window_info->screen); XCheckRefreshWindows(display,windows); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X M e n u W i d g e t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XMenuWidget maps a menu and returns the command pointed to by the % user when the button is released. % % The format of the XMenuWidget routine is: % % selection_number=XMenuWidget(display,windows,title,selections,item) % % A description of each parameter follows: % % o selection_number: Specifies the number of the selection that the % user choose. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o window: Specifies a pointer to a XWindows structure. % % o title: Specifies a character string that describes the menu selections. % % o selections: Specifies a pointer to one or more strings that comprise % the choices in the menu. % % o item: Specifies a character array. The item selected from the menu % is returned here. % % */ int XMenuWidget(display,windows,title,selections,item) Display *display; XWindows *windows; char *title, **selections; char *item; { Cursor cursor; int id, x, y; unsigned int height, number_selections, title_height, top_offset, width; unsigned long state; XEvent event; XFontStruct *font_info; XSetWindowAttributes window_attributes; XWidgetInfo highlight_info, menu_info, selection_info; XWindowChanges window_changes; /* Determine Menu widget attributes. */ font_info=windows->widget.font_info; windows->widget.width=!submenu_info.active ? XTextWidth(font_info,title,strlen(title)) : 0; for (id=0; selections[id] != (char *) NULL; id++) { width=XTextWidth(font_info,selections[id],strlen(selections[id])); if (width > windows->widget.width) windows->widget.width=width; } number_selections=id; XGetWidgetInfo((char *) NULL,&menu_info); title_height=!submenu_info.active ? (3*(font_info->descent+font_info->ascent) >> 1)+5 : 2; width=XTextWidth(font_info,title,strlen(title)); height=(3*(font_info->ascent+font_info->descent)) >> 1; /* Position Menu widget. */ windows->widget.width+=QuantumMargin+(menu_info.bevel_width << 1); top_offset=title_height+menu_info.bevel_width-1; windows->widget.height=top_offset+number_selections*height+4; windows->widget.min_width=windows->widget.width; windows->widget.min_height=windows->widget.height; XQueryPosition(display,windows->widget.root,&x,&y); windows->widget.x=x-(QuantumMargin >> 1); if (submenu_info.active) { windows->widget.x= windows->command.x+windows->command.width-QuantumMargin; toggle_info.raised=True; XDrawTriangleEast(display,&windows->command,&toggle_info); } windows->widget.y=!submenu_info.active ? y-((3*title_height) >> 2) : y; if (submenu_info.active) windows->widget.y=windows->command.y+submenu_info.y; XConstrainWindowPosition(display,&windows->widget); /* Map Menu widget. */ window_attributes.override_redirect=True; XChangeWindowAttributes(display,windows->widget.id,CWOverrideRedirect, &window_attributes); window_changes.width=windows->widget.width; window_changes.height=windows->widget.height; window_changes.x=windows->widget.x; window_changes.y=windows->widget.y; XReconfigureWMWindow(display,windows->widget.id,windows->widget.screen, CWWidth | CWHeight | CWX | CWY,&window_changes); XMapRaised(display,windows->widget.id); windows->widget.mapped=False; /* Respond to X events. */ selection_info.height=height; cursor=XCreateFontCursor(display,XC_right_ptr); XDefineCursor(display,windows->image.id,cursor); XDefineCursor(display,windows->command.id,cursor); XDefineCursor(display,windows->widget.id,cursor); state=UpdateConfigurationState; do { if (state & UpdateConfigurationState) { /* Initialize selection information. */ XGetWidgetInfo((char *) NULL,&menu_info); menu_info.bevel_width--; menu_info.width=windows->widget.width-((menu_info.bevel_width) << 1); menu_info.height=windows->widget.height-((menu_info.bevel_width) << 1); menu_info.x=menu_info.bevel_width; menu_info.y=menu_info.bevel_width; XGetWidgetInfo((char *) NULL,&selection_info); selection_info.center=False; selection_info.width=menu_info.width; selection_info.height=height; selection_info.x=menu_info.x; highlight_info=selection_info; highlight_info.bevel_width--; highlight_info.width-=(highlight_info.bevel_width << 1); highlight_info.height-=(highlight_info.bevel_width << 1); highlight_info.x+=highlight_info.bevel_width; state&=(~UpdateConfigurationState); } if (state & RedrawWidgetState) { /* Redraw Menu widget. */ if (!submenu_info.active) { y=title_height; XSetBevelColor(display,&windows->widget,False); XDrawLine(display,windows->widget.id,windows->widget.widget_context, selection_info.x,y-1,(int) selection_info.width,y-1); XSetBevelColor(display,&windows->widget,True); XDrawLine(display,windows->widget.id,windows->widget.widget_context, selection_info.x,y,(int) selection_info.width,y); XSetFillStyle(display,windows->widget.widget_context,FillSolid); } /* Draw menu selections. */ selection_info.center=True; selection_info.y=menu_info.bevel_width; selection_info.text=title; if (!submenu_info.active) XDrawWidgetText(display,&windows->widget,&selection_info); selection_info.center=False; selection_info.y=top_offset; for (id=0; id < number_selections; id++) { selection_info.text=selections[id]; XDrawWidgetText(display,&windows->widget,&selection_info); highlight_info.y=selection_info.y+highlight_info.bevel_width; if (id == selection_info.id) XDrawBevel(display,&windows->widget,&highlight_info); selection_info.y+=(int) selection_info.height; } XDrawBevel(display,&windows->widget,&menu_info); state&=(~RedrawWidgetState); } if (number_selections > 2) { /* Redraw Menu line. */ y=top_offset+selection_info.height*(number_selections-1); XSetBevelColor(display,&windows->widget,False); XDrawLine(display,windows->widget.id,windows->widget.widget_context, selection_info.x,y-1,(int) selection_info.width,y-1); XSetBevelColor(display,&windows->widget,True); XDrawLine(display,windows->widget.id,windows->widget.widget_context, selection_info.x,y,(int) selection_info.width,y); XSetFillStyle(display,windows->widget.widget_context,FillSolid); } /* Wait for next event. */ XIfEvent(display,&event,XScreenEvent,(char *) windows); switch (event.type) { case ButtonPress: { /* Discard pending button motion events. */ if (event.xbutton.window != windows->widget.id) { /* Exit menu. */ XPutBackEvent(display,&event); *item='\0'; state|=ExitState; break; } state&=(~InactiveWidgetState); id=(event.xbutton.y-top_offset)/(int) selection_info.height; selection_info.id=id; if ((id < 0) || (id >= number_selections)) break; /* Highlight this selection. */ selection_info.y=top_offset+id*selection_info.height; selection_info.text=selections[id]; XDrawWidgetText(display,&windows->widget,&selection_info); highlight_info.y=selection_info.y+highlight_info.bevel_width; XDrawBevel(display,&windows->widget,&highlight_info); break; } case ButtonRelease: { if (!windows->widget.mapped) break; /* Exit menu. */ if (event.xbutton.window != windows->widget.id) XPutBackEvent(display,&event); XSetCursorState(display,windows,False); *item='\0'; state|=ExitState; break; } case ConfigureNotify: { /* Update widget configuration. */ if (event.xconfigure.window != windows->widget.id) break; if ((event.xconfigure.width == windows->widget.width) && (event.xconfigure.height == windows->widget.height)) break; windows->widget.width= Max(event.xconfigure.width,windows->widget.min_width); windows->widget.height= Max(event.xconfigure.height,windows->widget.min_height); state|=UpdateConfigurationState; break; } case EnterNotify: { if (event.xcrossing.window != windows->widget.id) break; if (event.xcrossing.state == 0) break; state&=(~InactiveWidgetState); id=((event.xcrossing.y-top_offset)/(int) selection_info.height); if ((selection_info.id >= 0) && (selection_info.id < number_selections)) { /* Unhighlight last selection. */ if (id == selection_info.id) break; selection_info.y= top_offset+selection_info.id*selection_info.height; selection_info.text=selections[selection_info.id]; XDrawWidgetText(display,&windows->widget,&selection_info); } if ((id < 0) || (id >= number_selections)) break; /* Highlight this selection. */ selection_info.id=id; selection_info.y=top_offset+selection_info.id*selection_info.height; selection_info.text=selections[selection_info.id]; XDrawWidgetText(display,&windows->widget,&selection_info); highlight_info.y=selection_info.y+highlight_info.bevel_width; XDrawBevel(display,&windows->widget,&highlight_info); break; } case Expose: { if (event.xexpose.window != windows->widget.id) break; if (event.xexpose.count != 0) break; state|=RedrawWidgetState; break; } case LeaveNotify: { if (event.xcrossing.window != windows->widget.id) break; state|=InactiveWidgetState; id=selection_info.id; if ((id < 0) || (id >= number_selections)) break; /* Unhighlight last selection. */ selection_info.y=top_offset+id*selection_info.height; selection_info.id=(~0); selection_info.text=selections[id]; XDrawWidgetText(display,&windows->widget,&selection_info); break; } case MotionNotify: { /* Discard pending button motion events. */ while (XCheckMaskEvent(display,ButtonMotionMask,&event)); if (submenu_info.active) if (event.xmotion.window == windows->command.id) if (!(state & InactiveWidgetState)) { if (!MatteIsActive(submenu_info,event.xmotion)) { selection_info.id=(-1); *item='\0'; state|=ExitState; break; } } else if (WindowIsActive(windows->command,event.xmotion)) { selection_info.id=(-1); *item='\0'; state|=ExitState; break; } if (event.xmotion.window != windows->widget.id) break; if (state & InactiveWidgetState) break; id=(event.xmotion.y-top_offset)/(int) selection_info.height; if ((selection_info.id >= 0) && (selection_info.id < number_selections)) { /* Unhighlight last selection. */ if (id == selection_info.id) break; selection_info.y= top_offset+selection_info.id*selection_info.height; selection_info.text=selections[selection_info.id]; XDrawWidgetText(display,&windows->widget,&selection_info); } selection_info.id=id; if ((id < 0) || (id >= number_selections)) break; /* Highlight this selection. */ selection_info.y=top_offset+id*selection_info.height; selection_info.text=selections[id]; XDrawWidgetText(display,&windows->widget,&selection_info); highlight_info.y=selection_info.y+highlight_info.bevel_width; XDrawBevel(display,&windows->widget,&highlight_info); break; } default: break; } } while (!(state & ExitState)); XFreeCursor(display,cursor); window_attributes.override_redirect=False; XChangeWindowAttributes(display,windows->widget.id,CWOverrideRedirect, &window_attributes); XWithdrawWindow(display,windows->widget.id,windows->widget.screen); if (submenu_info.active) { submenu_info.active=False; toggle_info.raised=False; XDrawTriangleEast(display,&windows->command,&toggle_info); } if ((selection_info.id < 0) || (selection_info.id >= number_selections)) return(~0); (void) strcpy(item,selections[selection_info.id]); return(selection_info.id); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X N o t i c e W i d g e t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XNoticeWidget displays a Notice widget with a notice to the user. % The function returns when the user presses the "Dismiss" button. % % The format of the XNoticeWidget routine is: % % XNoticeWidget(display,windows,message,qualifier) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o window: Specifies a pointer to a XWindows structure. % % o message: Specifies the message to display before terminating the % program. % % o qualifier: Specifies any qualifier to the message. % % */ void XNoticeWidget(display,windows,message,qualifier) Display *display; XWindows *windows; char *message, *qualifier; { #define DismissButtonText "Dismiss" #define Timeout 8 int status, x, y; time_t timer; unsigned int height, width; unsigned long state; XEvent event; XFontStruct *font_info; XTextProperty window_name; XWidgetInfo dismiss_info; XWindowChanges window_changes; /* Determine Notice widget attributes. */ XCheckRefreshWindows(display,windows); font_info=windows->widget.font_info; width=XTextWidth(font_info,DismissButtonText,strlen(DismissButtonText)); if (message != (char *) NULL) if (XTextWidth(font_info,message,strlen(message)) > width) width=XTextWidth(font_info,message,strlen(message)); if (qualifier != (char *) NULL) if (XTextWidth(font_info,qualifier,strlen(qualifier)) > width) width=XTextWidth(font_info,qualifier,strlen(qualifier)); height=(font_info->ascent+font_info->descent); /* Position Notice widget. */ windows->widget.width=width+4*QuantumMargin; windows->widget.min_width=width+QuantumMargin; if (windows->widget.width < windows->widget.min_width) windows->widget.width=windows->widget.min_width; windows->widget.height=12*height; windows->widget.min_height=7*height; if (windows->widget.height < windows->widget.min_height) windows->widget.height=windows->widget.min_height; XQueryPosition(display,windows->widget.root,&x,&y); windows->widget.x=x-(windows->widget.width >> 1); windows->widget.y=y-((5*windows->widget.height) >> 3); XConstrainWindowPosition(display,&windows->widget); /* Map Notice widget. */ (void) strcpy(windows->widget.name,"Notice"); status=XStringListToTextProperty(&windows->widget.name,1,&window_name); if (status == 0) { XSetWMName(display,windows->widget.id,&window_name); XFree((void *) window_name.value); } window_changes.width=windows->widget.width; window_changes.height=windows->widget.height; window_changes.x=windows->widget.x; window_changes.y=windows->widget.y; XReconfigureWMWindow(display,windows->widget.id,windows->widget.screen, CWWidth | CWHeight | CWX | CWY,&window_changes); XMapRaised(display,windows->widget.id); windows->widget.mapped=False; XBell(display,0); /* Respond to X events. */ timer=time((time_t *) NULL)+Timeout; state=UpdateConfigurationState; XSetCursorState(display,windows,True); do { if (time((time_t *) NULL) > timer) break; if (state & UpdateConfigurationState) { /* Initialize Dismiss button information. */ XGetWidgetInfo(DismissButtonText,&dismiss_info); dismiss_info.width=QuantumMargin+ XTextWidth(font_info,DismissButtonText,strlen(DismissButtonText)); dismiss_info.height=(3*height) >> 1; dismiss_info.x=(windows->widget.width >> 1)-(dismiss_info.width >> 1); dismiss_info.y=windows->widget.height-(dismiss_info.height << 1); state&=(~UpdateConfigurationState); } if (state & RedrawWidgetState) { /* Redraw Notice widget. */ width=XTextWidth(font_info,message,strlen(message)); x=(windows->widget.width >> 1)-(width >> 1); y=(windows->widget.height >> 1)-(height << 1); XDrawString(display,windows->widget.id,windows->widget.annotate_context, x,y,message,strlen(message)); if (qualifier != (char *) NULL) { width=XTextWidth(font_info,qualifier,strlen(qualifier)); x=(windows->widget.width >> 1)-(width >> 1); y+=height; XDrawString(display,windows->widget.id, windows->widget.annotate_context,x,y,qualifier,strlen(qualifier)); } XDrawBeveledButton(display,&windows->widget,&dismiss_info); XHighlightWidget(display,&windows->widget,BorderOffset,BorderOffset); state&=(~RedrawWidgetState); } /* Wait for next event. */ if (!XCheckIfEvent(display,&event,XScreenEvent,(char *) windows)) { /* Do not block if delay > 0. */ XDelay(display,SuspendTime << 2); continue; } switch (event.type) { case ButtonPress: { if (MatteIsActive(dismiss_info,event.xbutton)) { /* User pressed Dismiss button. */ dismiss_info.raised=False; XDrawBeveledButton(display,&windows->widget,&dismiss_info); break; } break; } case ButtonRelease: { if (!windows->widget.mapped) break; if (!dismiss_info.raised) { if (event.xbutton.window == windows->widget.id) if (MatteIsActive(dismiss_info,event.xbutton)) state|=ExitState; dismiss_info.raised=True; XDrawBeveledButton(display,&windows->widget,&dismiss_info); } break; } case ClientMessage: { /* If client window delete message, exit. */ if (event.xclient.message_type != windows->wm_protocols) break; if (*event.xclient.data.l == windows->wm_take_focus) { XSetInputFocus(display,event.xclient.window,RevertToParent, event.xclient.data.l[1]); break; } if (*event.xclient.data.l != windows->wm_delete_window) break; if (event.xclient.window == windows->widget.id) { state|=ExitState; break; } break; } case ConfigureNotify: { /* Update widget configuration. */ if (event.xconfigure.window != windows->widget.id) break; if ((event.xconfigure.width == windows->widget.width) && (event.xconfigure.height == windows->widget.height)) break; windows->widget.width= Max(event.xconfigure.width,windows->widget.min_width); windows->widget.height= Max(event.xconfigure.height,windows->widget.min_height); state|=UpdateConfigurationState; break; } case EnterNotify: { if (event.xcrossing.window != windows->widget.id) break; state&=(~InactiveWidgetState); break; } case Expose: { if (event.xexpose.window != windows->widget.id) break; if (event.xexpose.count != 0) break; state|=RedrawWidgetState; break; } case KeyPress: { static char command[MaxTextLength]; static KeySym key_symbol; if (event.xkey.window != windows->widget.id) break; /* Respond to a user key press. */ (void) XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); if ((key_symbol == XK_Return) || (key_symbol == XK_KP_Enter)) { dismiss_info.raised=False; XDrawBeveledButton(display,&windows->widget,&dismiss_info); state|=ExitState; break; } break; } case LeaveNotify: { if (event.xcrossing.window != windows->widget.id) break; state|=InactiveWidgetState; break; } case MotionNotify: { /* Discard pending button motion events. */ while (XCheckMaskEvent(display,ButtonMotionMask,&event)); if (state & InactiveWidgetState) break; if (dismiss_info.raised == MatteIsActive(dismiss_info,event.xmotion)) { /* Dismiss button status changed. */ dismiss_info.raised=!dismiss_info.raised; XDrawBeveledButton(display,&windows->widget,&dismiss_info); break; } break; } default: break; } } while (!(state & ExitState)); XSetCursorState(display,windows,False); XWithdrawWindow(display,windows->widget.id,windows->widget.screen); XCheckRefreshWindows(display,windows); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X P r e f e r e n c e s W i d g e t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XPreferencesWidget displays a Preferences widget with program % preferences. If the user presses the Apply button, the preferences are % stored in a configuration file in the users' home directory. % % The format of the XPreferencesWidget routine is: % % XPreferencesWidget(display,resource_info,windows) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o window: Specifies a pointer to a XWindows structure. % % */ unsigned int XPreferencesWidget(display,resource_info,windows) Display *display; XResourceInfo *resource_info; XWindows *windows; { #define ApplyButtonText "Apply" #define CancelButtonText "Cancel" #define NumberPreferences 5 static char *Preferences[] = { "backdrop", "confirm exit", "dither", "shared colormap", "use pixmap", }; char filename[MaxTextLength], specifier[MaxTextLength], *value; int status, x, y; register int i; unsigned int height, text_width, width; unsigned long state; XEvent event; XFontStruct *font_info; XrmDatabase preferences_database; XTextProperty window_name; XWidgetInfo apply_info, cancel_info, preferences_info[NumberPreferences]; XWindowChanges window_changes; /* Determine Preferences widget attributes. */ XCheckRefreshWindows(display,windows); font_info=windows->widget.font_info; text_width=0; for (i=0; i < NumberPreferences; i++) if (XTextWidth(font_info,Preferences[i],strlen(Preferences[i])) > text_width) text_width=XTextWidth(font_info,Preferences[i],strlen(Preferences[i])); width=XTextWidth(font_info,ApplyButtonText,strlen(ApplyButtonText)); if (XTextWidth(font_info,CancelButtonText,strlen(CancelButtonText)) > width) width=XTextWidth(font_info,CancelButtonText,strlen(CancelButtonText)); width+=QuantumMargin; height=(font_info->ascent+font_info->descent); /* Position Preferences widget. */ windows->widget.width=Max(width << 1,text_width)+3*QuantumMargin; windows->widget.min_width=(width << 1)+QuantumMargin; if (windows->widget.width < windows->widget.min_width) windows->widget.width=windows->widget.min_width; windows->widget.height= 4*height+NumberPreferences*(height+(QuantumMargin >> 1)); windows->widget.min_height= 4*height+NumberPreferences*(height+(QuantumMargin >> 1)); if (windows->widget.height < windows->widget.min_height) windows->widget.height=windows->widget.min_height; XQueryPosition(display,windows->widget.root,&x,&y); windows->widget.x=x-(windows->widget.width >> 1); windows->widget.y=y-((5*windows->widget.height) >> 3); XConstrainWindowPosition(display,&windows->widget); /* Map Preferences widget. */ (void) strcpy(windows->widget.name,"Preferences"); status=XStringListToTextProperty(&windows->widget.name,1,&window_name); if (status != 0) { XSetWMName(display,windows->widget.id,&window_name); XFree((void *) window_name.value); } window_changes.width=windows->widget.width; window_changes.height=windows->widget.height; window_changes.x=windows->widget.x; window_changes.y=windows->widget.y; XReconfigureWMWindow(display,windows->widget.id,windows->widget.screen, CWWidth | CWHeight | CWX | CWY,&window_changes); XMapRaised(display,windows->widget.id); windows->widget.mapped=False; /* Respond to X events. */ state=UpdateConfigurationState; XSetCursorState(display,windows,True); do { if (state & UpdateConfigurationState) { /* Initialize button information. */ XGetWidgetInfo(CancelButtonText,&cancel_info); cancel_info.width=width; cancel_info.height=(3*height) >> 1; cancel_info.x=windows->widget.width-cancel_info.width-QuantumMargin-2; cancel_info.y=windows->widget.height-cancel_info.height-QuantumMargin; XGetWidgetInfo(ApplyButtonText,&apply_info); apply_info.width=width; apply_info.height=(3*height) >> 1; apply_info.x=cancel_info.x-(cancel_info.width+(QuantumMargin >> 1)+ (apply_info.bevel_width << 1)); apply_info.y=cancel_info.y; y=height; for (i=0; i < NumberPreferences; i++) { XGetWidgetInfo(Preferences[i],&preferences_info[i]); preferences_info[i].bevel_width--; preferences_info[i].width=QuantumMargin >> 1; preferences_info[i].height=QuantumMargin >> 1; preferences_info[i].x=QuantumMargin; preferences_info[i].y=y; y+=height+(QuantumMargin >> 1); } preferences_info[0].raised=!resource_info->backdrop; preferences_info[1].raised=!resource_info->confirm_exit; preferences_info[2].raised=!resource_info->dither; preferences_info[3].raised=resource_info->colormap != SharedColormap; preferences_info[4].raised=!resource_info->use_pixmap; state&=(~UpdateConfigurationState); } if (state & RedrawWidgetState) { /* Redraw Preferences widget. */ XDrawBeveledButton(display,&windows->widget,&apply_info); XDrawBeveledButton(display,&windows->widget,&cancel_info); for (i=0; i < NumberPreferences; i++) XDrawBeveledButton(display,&windows->widget,&preferences_info[i]); XHighlightWidget(display,&windows->widget,BorderOffset,BorderOffset); state&=(~RedrawWidgetState); } /* Wait for next event. */ XIfEvent(display,&event,XScreenEvent,(char *) windows); switch (event.type) { case ButtonPress: { if (MatteIsActive(apply_info,event.xbutton)) { /* User pressed Apply button. */ apply_info.raised=False; XDrawBeveledButton(display,&windows->widget,&apply_info); break; } if (MatteIsActive(cancel_info,event.xbutton)) { /* User pressed Cancel button. */ cancel_info.raised=False; XDrawBeveledButton(display,&windows->widget,&cancel_info); break; } for (i=0; i < NumberPreferences; i++) if (MatteIsActive(preferences_info[i],event.xbutton)) { /* User pressed a Preferences button. */ preferences_info[i].raised=!preferences_info[i].raised; XDrawBeveledButton(display,&windows->widget,&preferences_info[i]); break; } break; } case ButtonRelease: { if (!windows->widget.mapped) break; if (!apply_info.raised) { if (event.xbutton.window == windows->widget.id) if (MatteIsActive(apply_info,event.xbutton)) state|=ExitState; apply_info.raised=True; XDrawBeveledButton(display,&windows->widget,&apply_info); apply_info.raised=False; } if (!cancel_info.raised) { if (event.xbutton.window == windows->widget.id) if (MatteIsActive(cancel_info,event.xbutton)) state|=ExitState; cancel_info.raised=True; XDrawBeveledButton(display,&windows->widget,&cancel_info); } break; } case ClientMessage: { /* If client window delete message, exit. */ if (event.xclient.message_type != windows->wm_protocols) break; if (*event.xclient.data.l == windows->wm_take_focus) { XSetInputFocus(display,event.xclient.window,RevertToParent, event.xclient.data.l[1]); break; } if (*event.xclient.data.l != windows->wm_delete_window) break; if (event.xclient.window == windows->widget.id) { state|=ExitState; break; } break; } case ConfigureNotify: { /* Update widget configuration. */ if (event.xconfigure.window != windows->widget.id) break; if ((event.xconfigure.width == windows->widget.width) && (event.xconfigure.height == windows->widget.height)) break; windows->widget.width= Max(event.xconfigure.width,windows->widget.min_width); windows->widget.height= Max(event.xconfigure.height,windows->widget.min_height); state|=UpdateConfigurationState; break; } case EnterNotify: { if (event.xcrossing.window != windows->widget.id) break; state&=(~InactiveWidgetState); break; } case Expose: { if (event.xexpose.window != windows->widget.id) break; if (event.xexpose.count != 0) break; state|=RedrawWidgetState; break; } case KeyPress: { static char command[MaxTextLength]; static KeySym key_symbol; if (event.xkey.window != windows->widget.id) break; /* Respond to a user key press. */ (void) XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); if ((key_symbol == XK_Return) || (key_symbol == XK_KP_Enter)) { apply_info.raised=False; XDrawBeveledButton(display,&windows->widget,&apply_info); state|=ExitState; break; } break; } case LeaveNotify: { if (event.xcrossing.window != windows->widget.id) break; state|=InactiveWidgetState; break; } case MotionNotify: { /* Discard pending button motion events. */ while (XCheckMaskEvent(display,ButtonMotionMask,&event)); if (state & InactiveWidgetState) break; if (apply_info.raised == MatteIsActive(apply_info,event.xmotion)) { /* Apply button status changed. */ apply_info.raised=!apply_info.raised; XDrawBeveledButton(display,&windows->widget,&apply_info); break; } if (cancel_info.raised == MatteIsActive(cancel_info,event.xmotion)) { /* Cancel button status changed. */ cancel_info.raised=!cancel_info.raised; XDrawBeveledButton(display,&windows->widget,&cancel_info); break; } break; } default: break; } } while (!(state & ExitState)); XSetCursorState(display,windows,False); XWithdrawWindow(display,windows->widget.id,windows->widget.screen); XCheckRefreshWindows(display,windows); if (apply_info.raised) return(False); /* Save user preferences to the client configuration file. */ preferences_database=XrmGetStringDatabase(""); resource_info->backdrop=!preferences_info[0].raised; (void) sprintf(specifier,"%s.backdrop",client_name); value=resource_info->backdrop ? "True" : "False"; XrmPutStringResource(&preferences_database,specifier,value); resource_info->confirm_exit=!preferences_info[1].raised; (void) sprintf(specifier,"%s.confirmExit",client_name); value=resource_info->confirm_exit ? "True" : "False"; XrmPutStringResource(&preferences_database,specifier,value); resource_info->dither=!preferences_info[2].raised; (void) sprintf(specifier,"%s.dither",client_name); value=resource_info->dither ? "True" : "False"; XrmPutStringResource(&preferences_database,specifier,value); resource_info->colormap=SharedColormap; if (preferences_info[3].raised) resource_info->colormap=PrivateColormap; (void) sprintf(specifier,"%s.colormap",client_name); value=resource_info->colormap == SharedColormap ? "Shared" : "Private"; XrmPutStringResource(&preferences_database,specifier,value); resource_info->use_pixmap=!preferences_info[4].raised; (void) sprintf(specifier,"%s.usePixmap",client_name); value=resource_info->use_pixmap ? "True" : "False"; XrmPutStringResource(&preferences_database,specifier,value); (void) sprintf(filename,"%s%src",PreferencesDefaults,client_name); ExpandFilename(filename); XrmPutFileDatabase(preferences_database,filename); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X T e x t V i e w W i d g e t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XTextViewWidget displays text in a Text View widget. % % The format of the XTextViewWidget routine is: % % XTextViewWidget(display,resource_info,windows,mono,title,textlist) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o window: Specifies a pointer to a XWindows structure. % % o mono: Use mono-spaced font when displaying text. % % o title: This character string is displayed at the top of the widget % window. % % o textlist: This string list is displayed within the Text View widget. % % */ void XTextViewWidget(display,resource_info,windows,mono,title,textlist) Display *display; XResourceInfo *resource_info; XWindows *windows; unsigned int mono; char *title, **textlist; { #define DismissButtonText "Dismiss" char primary_selection[MaxTextLength]; int status, x, y; register int i; unsigned int height, lines, text_width, visible_lines, width; unsigned long delay, state; XEvent event; XFontStruct *font_info, *text_info; XTextProperty window_name; XWidgetInfo dismiss_info, expose_info, list_info, north_info, scroll_info, selection_info, slider_info, south_info; XWindowChanges window_changes; /* Convert text string to a text list. */ XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); if (textlist == (char **) NULL) { XNoticeWidget(display,windows,"No text to view:",(char *) NULL); return; } /* Determine Text View widget attributes. */ font_info=windows->widget.font_info; text_info=(XFontStruct *) NULL; if (mono) text_info=XBestFont(display,resource_info,True); if (text_info == (XFontStruct *) NULL) text_info=windows->widget.font_info; text_width=0; for (i=0; textlist[i] != (char *) NULL; i++) if (XTextWidth(text_info,textlist[i],strlen(textlist[i])) > text_width) text_width=XTextWidth(text_info,textlist[i],strlen(textlist[i])); lines=i; width=XTextWidth(font_info,DismissButtonText,strlen(DismissButtonText)); width+=QuantumMargin; height=text_info->ascent+text_info->descent; /* Position Text View widget. */ windows->widget.width=Min(text_width,MaxTextWidth)+5*QuantumMargin; windows->widget.min_width=MinTextWidth+4*QuantumMargin; if (windows->widget.width < windows->widget.min_width) windows->widget.width=windows->widget.min_width; windows->widget.height= Min(Max(lines,3),24)*height+((13*height) >> 1)+((9*QuantumMargin) >> 1); windows->widget.min_height= 3*height+((13*height) >> 1)+((9*QuantumMargin) >> 1); if (windows->widget.height < windows->widget.min_height) windows->widget.height=windows->widget.min_height; XQueryPosition(display,windows->widget.root,&x,&y); windows->widget.x=x-((3*windows->widget.width) >> 2); windows->widget.y=y-(windows->widget.height >> 1); XConstrainWindowPosition(display,&windows->widget); /* Map Text View widget. */ (void) strcpy(windows->widget.name,title); status=XStringListToTextProperty(&windows->widget.name,1,&window_name); if (status != 0) { XSetWMName(display,windows->widget.id,&window_name); XFree((void *) window_name.value); } window_changes.width=windows->widget.width; window_changes.height=windows->widget.height; window_changes.x=windows->widget.x; window_changes.y=windows->widget.y; XReconfigureWMWindow(display,windows->widget.id,windows->widget.screen, CWWidth | CWHeight | CWX | CWY,&window_changes); XMapRaised(display,windows->widget.id); windows->widget.mapped=False; /* Respond to X events. */ XGetWidgetInfo((char *) NULL,&slider_info); XGetWidgetInfo((char *) NULL,&north_info); XGetWidgetInfo((char *) NULL,&south_info); visible_lines=0; delay=SuspendTime << 2; height=font_info->ascent+font_info->descent; state=UpdateConfigurationState; do { if (state & UpdateConfigurationState) { int id; /* Initialize button information. */ XGetWidgetInfo(DismissButtonText,&dismiss_info); dismiss_info.width=width; dismiss_info.height=(3*height) >> 1; dismiss_info.x=windows->widget.width-dismiss_info.width-QuantumMargin-2; dismiss_info.y=windows->widget.height-dismiss_info.height-QuantumMargin; /* Initialize scroll information. */ XGetWidgetInfo((char *) NULL,&scroll_info); scroll_info.bevel_width--; scroll_info.width=height; scroll_info.height=dismiss_info.y-((5*QuantumMargin) >> 1); scroll_info.x=windows->widget.width-QuantumMargin-scroll_info.width; scroll_info.y=(3*QuantumMargin) >> 1; scroll_info.raised=False; scroll_info.trough=True; north_info=scroll_info; north_info.raised=True; north_info.width-=(north_info.bevel_width << 1); north_info.height=north_info.width-1; north_info.x+=north_info.bevel_width; north_info.y+=north_info.bevel_width; south_info=north_info; south_info.y=scroll_info.y+scroll_info.height-scroll_info.bevel_width- south_info.height; id=slider_info.id; slider_info=north_info; slider_info.id=id; slider_info.width-=2; slider_info.min_y=north_info.y+north_info.height+north_info.bevel_width+ slider_info.bevel_width+2; slider_info.height= scroll_info.height-((slider_info.min_y-scroll_info.y+1) << 1)+2; visible_lines=(scroll_info.height-(height >> 3)-4)/ ((9*(text_info->ascent+text_info->descent)) >> 3); if (lines > visible_lines) slider_info.height=(visible_lines*slider_info.height)/lines; slider_info.max_y=south_info.y-south_info.bevel_width- slider_info.bevel_width-2; slider_info.x=scroll_info.x+slider_info.bevel_width+1; slider_info.y=slider_info.min_y; expose_info=scroll_info; expose_info.y=slider_info.y; /* Initialize list information. */ XGetWidgetInfo((char *) NULL,&list_info); list_info.raised=False; list_info.bevel_width--; list_info.width=scroll_info.x-((3*QuantumMargin) >> 1); list_info.height=scroll_info.height; list_info.x=QuantumMargin; list_info.y=scroll_info.y; /* Initialize selection information. */ XGetWidgetInfo((char *) NULL,&selection_info); selection_info.center=False; selection_info.width=list_info.width; selection_info.height=(9*(text_info->ascent+text_info->descent)) >> 3; selection_info.x=list_info.x; state&=(~UpdateConfigurationState); } if (state & RedrawWidgetState) { /* Redraw Text View window. */ XDrawBeveledMatte(display,&windows->widget,&list_info); XDrawBeveledMatte(display,&windows->widget,&scroll_info); XDrawTriangleNorth(display,&windows->widget,&north_info); XDrawBeveledButton(display,&windows->widget,&slider_info); XDrawTriangleSouth(display,&windows->widget,&south_info); XDrawBeveledButton(display,&windows->widget,&dismiss_info); XHighlightWidget(display,&windows->widget,BorderOffset,BorderOffset); selection_info.id=(~0); state|=RedrawListState; state&=(~RedrawWidgetState); } if (state & RedrawListState) { /* Determine slider id and position. */ if (slider_info.id >= (int) (lines-visible_lines)) slider_info.id=lines-visible_lines; if ((slider_info.id < 0) || (lines <= visible_lines)) slider_info.id=0; slider_info.y=slider_info.min_y; if (lines != 0) slider_info.y+= slider_info.id*(slider_info.max_y-slider_info.min_y+1)/lines; if (slider_info.id != selection_info.id) { /* Redraw scroll bar and file names. */ windows->widget.font_info=text_info; XSetFont(display,windows->widget.annotate_context,text_info->fid); XSetFont(display,windows->widget.highlight_context,text_info->fid); selection_info.id=slider_info.id; selection_info.y=list_info.y+(height >> 3)+2; for (i=0; i < visible_lines; i++) { selection_info.raised=(slider_info.id+i) != list_info.id; selection_info.text=(char *) NULL; if ((slider_info.id+i) < lines) selection_info.text=textlist[slider_info.id+i]; XDrawWidgetText(display,&windows->widget,&selection_info); selection_info.y+=(int) selection_info.height; } windows->widget.font_info=font_info; XSetFont(display,windows->widget.annotate_context,font_info->fid); XSetFont(display,windows->widget.highlight_context,font_info->fid); /* Update slider. */ if (slider_info.y > expose_info.y) { expose_info.height=slider_info.y-expose_info.y; expose_info.y=slider_info.y-expose_info.height- slider_info.bevel_width-1; } else { expose_info.height=expose_info.y-slider_info.y; expose_info.y=slider_info.y+slider_info.height+ slider_info.bevel_width+1; } XDrawTriangleNorth(display,&windows->widget,&north_info); XDrawMatte(display,&windows->widget,&expose_info); XDrawBeveledButton(display,&windows->widget,&slider_info); XDrawTriangleSouth(display,&windows->widget,&south_info); expose_info.y=slider_info.y; } state&=(~RedrawListState); } /* Wait for next event. */ if (north_info.raised && south_info.raised) XIfEvent(display,&event,XScreenEvent,(char *) windows); else { /* Brief delay before advancing scroll bar. */ XDelay(display,delay); delay=SuspendTime; XCheckIfEvent(display,&event,XScreenEvent,(char *) windows); if (!north_info.raised) if (slider_info.id > 0) { /* Move slider up. */ slider_info.id--; state|=RedrawListState; } if (!south_info.raised) if (slider_info.id < lines) { /* Move slider down. */ slider_info.id++; state|=RedrawListState; } if (event.type != ButtonRelease) continue; } switch (event.type) { case ButtonPress: { if (MatteIsActive(slider_info,event.xbutton)) { /* Track slider. */ slider_info.active=True; break; } if (MatteIsActive(north_info,event.xbutton)) if (slider_info.id > 0) { /* Move slider up. */ north_info.raised=False; slider_info.id--; state|=RedrawListState; break; } if (MatteIsActive(south_info,event.xbutton)) if (slider_info.id < lines) { /* Move slider down. */ south_info.raised=False; slider_info.id++; state|=RedrawListState; break; } if (MatteIsActive(scroll_info,event.xbutton)) { /* Move slider. */ if (event.xbutton.y < slider_info.y) slider_info.id-=(visible_lines-1); else slider_info.id+=(visible_lines-1); state|=RedrawListState; break; } if (MatteIsActive(dismiss_info,event.xbutton)) { /* User pressed Dismiss button. */ dismiss_info.raised=False; XDrawBeveledButton(display,&windows->widget,&dismiss_info); break; } if (MatteIsActive(list_info,event.xbutton)) { unsigned int id; static Time click_time; /* User pressed list matte. */ id=slider_info.id+(event.xbutton.y-(list_info.y+(height >> 1))+1)/ selection_info.height; if (id >= lines) break; if (id != list_info.id) { list_info.id=id; click_time=event.xbutton.time; break; } list_info.id=id; if (event.xbutton.time >= (click_time+DoubleClick)) { click_time=event.xbutton.time; break; } click_time=event.xbutton.time; /* Become the XA_PRIMARY selection owner. */ (void) strcpy(primary_selection,textlist[list_info.id]); XSetSelectionOwner(display,XA_PRIMARY,windows->widget.id, event.xbutton.time); if (XGetSelectionOwner(display,XA_PRIMARY) != windows->widget.id) break; selection_info.id=(~0); list_info.id=id; state|=RedrawListState; break; } break; } case ButtonRelease: { if (!windows->widget.mapped) break; if (!north_info.raised) { /* User released up button. */ delay=SuspendTime << 2; north_info.raised=True; XDrawTriangleNorth(display,&windows->widget,&north_info); } if (!south_info.raised) { /* User released down button. */ delay=SuspendTime << 2; south_info.raised=True; XDrawTriangleSouth(display,&windows->widget,&south_info); } if (slider_info.active) { /* Stop tracking slider. */ slider_info.active=False; break; } if (!dismiss_info.raised) { if (event.xbutton.window == windows->widget.id) if (MatteIsActive(dismiss_info,event.xbutton)) state|=ExitState; dismiss_info.raised=True; XDrawBeveledButton(display,&windows->widget,&dismiss_info); } break; } case ClientMessage: { /* If client window delete message, exit. */ if (event.xclient.message_type != windows->wm_protocols) break; if (*event.xclient.data.l == windows->wm_take_focus) { XSetInputFocus(display,event.xclient.window,RevertToParent, event.xclient.data.l[1]); break; } if (*event.xclient.data.l != windows->wm_delete_window) break; if (event.xclient.window == windows->widget.id) { state|=ExitState; break; } break; } case ConfigureNotify: { /* Update widget configuration. */ if (event.xconfigure.window != windows->widget.id) break; if ((event.xconfigure.width == windows->widget.width) && (event.xconfigure.height == windows->widget.height)) break; windows->widget.width= Max(event.xconfigure.width,windows->widget.min_width); windows->widget.height= Max(event.xconfigure.height,windows->widget.min_height); state|=UpdateConfigurationState; break; } case EnterNotify: { if (event.xcrossing.window != windows->widget.id) break; state&=(~InactiveWidgetState); break; } case Expose: { if (event.xexpose.window != windows->widget.id) break; if (event.xexpose.count != 0) break; state|=RedrawWidgetState; break; } case KeyPress: { static char command[MaxTextLength]; static int length; static KeySym key_symbol; if (event.xkey.window != windows->widget.id) break; /* Respond to a user key press. */ length=XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); *(command+length)='\0'; if ((key_symbol == XK_Return) || (key_symbol == XK_KP_Enter)) { dismiss_info.raised=False; XDrawBeveledButton(display,&windows->widget,&dismiss_info); state|=ExitState; break; } if (AreaIsActive(scroll_info,event.xkey)) { /* Move slider. */ switch (key_symbol) { case XK_Home: case XK_KP_Home: { slider_info.id=0; break; } case XK_Up: case XK_KP_Up: { slider_info.id--; break; } case XK_Down: case XK_KP_Down: { slider_info.id++; break; } case XK_Prior: case XK_KP_Prior: { slider_info.id-=visible_lines; break; } case XK_Next: case XK_KP_Next: { slider_info.id+=visible_lines; break; } case XK_End: case XK_KP_End: { slider_info.id=lines; break; } } state|=RedrawListState; break; } break; } case KeyRelease: break; case LeaveNotify: { if (event.xcrossing.window != windows->widget.id) break; state|=InactiveWidgetState; break; } case MotionNotify: { /* Discard pending button motion events. */ while (XCheckMaskEvent(display,ButtonMotionMask,&event)); if (slider_info.active) { /* Move slider matte. */ slider_info.y=event.xmotion.y- ((slider_info.height+slider_info.bevel_width) >> 1)+1; if (slider_info.y < slider_info.min_y) slider_info.y=slider_info.min_y; if (slider_info.y > slider_info.max_y) slider_info.y=slider_info.max_y; slider_info.id=0; if (slider_info.y != slider_info.min_y) slider_info.id=(lines*(slider_info.y-slider_info.min_y+1))/ (slider_info.max_y-slider_info.min_y+1); state|=RedrawListState; break; } if (state & InactiveWidgetState) break; if (dismiss_info.raised == MatteIsActive(dismiss_info,event.xmotion)) { /* Dismiss button status changed. */ dismiss_info.raised=!dismiss_info.raised; XDrawBeveledButton(display,&windows->widget,&dismiss_info); break; } break; } case SelectionClear: { list_info.id=(~0); selection_info.id=(~0); state|=RedrawListState; break; } case SelectionRequest: { XSelectionEvent notify; XSelectionRequestEvent *request; if (list_info.id == (~0)) break; /* Set primary selection. */ request=(&(event.xselectionrequest)); XChangeProperty(request->display,request->requestor,request->property, request->target,8,PropModeReplace,(unsigned char *) primary_selection, strlen(primary_selection)); notify.type=SelectionNotify; notify.send_event=True; notify.display=request->display; notify.requestor=request->requestor; notify.selection=request->selection; notify.target=request->target; notify.time=request->time; if (request->property == None) notify.property=request->target; else notify.property=request->property; (void) XSendEvent(request->display,request->requestor,False,NoEventMask, (XEvent *) ¬ify); } default: break; } } while (!(state & ExitState)); if (text_info != windows->widget.font_info) XFreeFont(display,text_info); XSetCursorState(display,windows,False); XWithdrawWindow(display,windows->widget.id,windows->widget.screen); XCheckRefreshWindows(display,windows); } */ slider_info.active=True; break; } if (MatteIsActive(n./ImageMagick/combine.man010064400000240000024000000353630601517471300164160ustar00cristycristy00002330000007.ad l .nh .TH combine 1 "10 January 1993" "ImageMagick" .SH NAME combine - combine images to create new images. .SH SYNOPSIS .B "combine" [ \fIoptions\fP ... ] \fIinput_file1\fP \fIinput_file2\fP \fIoutput_file\fP .SH DESCRIPTION \fBcombine\fP combine images to create new images. .SH EXAMPLES .PP To combine a image of a cockatoo with a perch, use .PP .B combine cockatoo.miff perch.ras composite.miff .PP To compute the difference between images in a series, use .PP .B combine -compose difference series.1 series.2 difference.miff .PP To combine a image of a cockatoo with a perch starting at location (100,150), use .PP .B combine -geometry +100+150 cockatoo.miff perch.ras composite.miff .SH OPTIONS .TP 5 .B "-blend \fIvalue\fP" blend the two images a given percent. .TP 5 .B "-colors \fIvalue\fP" preferred number of colors in the image. The actual number of colors in the image may be less than your request, but never more. Note, this is a color reduction option. Images with less unique colors than specified with this option will remain unchanged. Refer to \fBquantize(9)\fP for more details. Note, options \fB-dither\fP, \fB-colorspace\fP, and \fB-treedepth\fP affect the color reduction algorithm. .TP 5 .B "-colorspace \fIvalue\fP" the type of colorspace: \fBGRAY\fP, \fBOHTA\fP, \fBRGB\fP, \fBXYZ\fP, \fBYCbCr\fP, \fBYIQ\fP, \fBYPbPr\fP, or \fBYUV\fP. Color reduction, by default, takes place in the RGB color space. Empirical evidence suggests that distances in color spaces such as YUV or YIQ correspond to perceptual color differences more closely than do distances in RGB space. These color spaces may give better results when color reducing an image. Refer to \fBquantize(9)\fP for more details. The \fB-colors\fP or \fB-monochrome\fP option is required for this option to take effect. .TP 5 .B "-comment \fIstring\fP" annotate an image with a comment. By default, each image is commented with its file name. Use this option to assign a specific comment to the image. Optionally you can include the image filename, type, width, height, or scene number by embedding special format characters. Embed \fB%f\fP for filename, \fB%m\fP for magick, \fB%w\fP for width, \fB%h\fP for height, \fB%s\fP for scene number, or \fB\\n\fP for newline. For example, .nf -comment "%m:%f %wx%h" .fi produces an image comment of \fBMIFF:bird.miff 512x480\fP for an image titled \fBbird.miff\fP and whose width is 512 and height is 480. If the first character of \fIstring\fP is \fB@\fP, the image comment is read from a file titled by the remaining characters in the string. .TP 5 .B "-compose \fIoperator\fP" the type of image composition. By default, each of the composite image pixels are replaced by the cooresponding image tile pixel. You can choose an alternate composite operation: over in out atop xor plus minus add subtract difference replace .PP How each operator behaves is described below. \fIP\fP is the image read as \fIinput_file1\fP and \fIQ\fP is image \fIinput_file2\fP. .TP 9 .B over The result will be the union of the two image shapes, with \fIP\fP obscuring \fIQ\fP in the region of overlap. .TP 9 .B in The result is simply \fIP\fP cut by the shape of \fIQ\fP. None of the image data of \fIQ\fP will be in the result. .TP 9 .B out The resulting image is \fIP\fP with the shape of \fIQ\fP cut out. .TP 9 .B atop The result is the same shape as image \fIQ\fP, with \fIP\fP obscuring \fIQ\fP where the image shapes overlap. Note this differs from \fBover\fP because the portion of \fIP\fP outside \fIQ\fP's shape does not appear in the result. .TP 9 .B xor The result is the image data from both \fIP\fP and \fIQ\fP that is outside the overlap region. The overlap region will be blank. .TP 9 .B plus The result is just the sum of the image data. Output values are cropped to 255 (no overflow). This operation is independent of the matte channels. .TP 9 .B minus The result of \fIP\fP \- \fIQ\fP, with underflow cropped to zero. The matte channel is ignored (set to 255, full coverage). .TP 9 .B add The result of \fIP\fP + \fIQ\fP, with overflow wrapping around (\fImod\fP 256). .TP 9 .B subtract The result of \fIP\fP - \fIQ\fP, with underflow wrapping around (\fImod\fP 256). The \fBadd\fP and \fBsubtract\fP operators can be used to perform reversible transformations. .TP 9 .B difference The result of abs(\fIP\fP \- \fIQ\fP). This is useful for comparing two very similar images. .TP 9 .B replace The resulting image is \fIQ\fP replaced with \fIP\fP. Here the matte information is ignored. .TP 5 The image compositor requires an matte, or alpha channel in the image for some operations. This extra channel usually defines a mask which represents a sort of a cookie-cutter for the image. This is the case when matte is 255 (full coverage) for pixels inside the shape, zero outside, and between zero and 255 on the boundary. If \fIimage\fP does not have an matte channel, it is initialized with 0 for any pixel matching in color to pixel location (0,0), otherwise 255 (to work properly \fBborderwidth\fP must be 0). .TP 5 .B "-compress \fItype\fP" the type of image compression: \fIQEncoded\fP or \fIRunlengthEncoded\fP. Specify \fB\+compress\fP to store the binary image in an uncompressed format. The default is the compression type of the specified image file. .TP 5 .B "-density \fIx\fP vertical and horizontal resolution in pixels of the image. This option specifies an image density when decoding a Postscript or Portable Document page. The default is 72 pixels per inch in the horizontal and vertical direction. .TP 5 .B "-display \fIhost:display[.screen]\fP" specifies the X server to contact; see \fBX(1)\fP. .TP 5 .B "-dither" apply Floyd/Steinberg error diffusion to the image. The basic strategy of dithering is to trade intensity resolution for spatial resolution by averaging the intensities of several neighboring pixels. Images which suffer from severe contouring when reducing colors can be improved with this option. The \fB-colors\fP option is required for dithering to take effect. .TP 5 .B "-font \fIname\fP" This option specifies the font to be used for displaying normal text. The default is \fBfixed\fP. .TP 5 .B "-geometry \fI{%}x{%}{\+-}{\+-}{!}{<}{>}\fP" the width and height of the image. By default, the width and height are maximum values. That is, the image is expanded or contracted to fit the width and height value while maintaining the aspect ratio of the image. Append an exclamation point to the geometry to force the image size to exactly the size you specify. For example, if you specify \fB640x480!\fP the image width is set to 640 pixels and height to 480. If only one factor is specified, both the width and height assume the value. To specify a percentage width or height instead, append \fB%\fP. The image size is multiplied by the width and height percentages to obtain the final image dimensions. To increase the size of an image, use a value greater than 100 (e.g. 125%). To decrease an image's size, use a percentage less than 100. Use \fB<\fP to change the dimensions of the image \fIonly\fP if its size exceeds the geometry specification. \fB>\fP resizes the image \fIonly\fP if its dimensions is less than the geometry specification. For example, if you specify \fB640x480>\fP and the image size is 512x512, the image size does not change. However, if the image is 1024x1024, it is resized to 640x480. By default the images are combined relative to the top left corner, location (0,0). Use \fI\fP and \fI\fP to specify a particular location to combine the images. .TP 5 .B "-interlace \fItype\fP" the type of interlacing scheme: \fBNONE\fP, \fBLINE\fP, or \fBPLANE\fP. This option is used to specify the type of interlacing scheme for raw image formats such as \fBRGB\fP or \fBYUV\fP. \fBNONE\fP means do not interlace (RGBRGBRGBRGBRGBRGB...), \fBLINE\fP uses scanline interlacing (RRR...GGG...BBB...RRR...GGG...BBB...), and \fBPLANE\fP uses plane interlacing (RRRRRR...GGGGGG...BBBBBB...). Use \fBLINE\fP, or \fBPLANE\fP to create an interlaced GIF image. .TP 5 .B "-label \fIname\fP" assign a label to an image. Use this option to assign a specific label to the image. Optionally you can include the image filename, type, width, height, or scene number in the label by embedding special format characters. Embed \fB%f\fP for filename, \fB%m\fP for magick, \fB%w\fP for width, \fB%h\fP for height, or \fB%s\fP for scene number, or \fB\\n\fP for newline. For example, .nf -label "%m:%f %wx%h" .fi produces an image label of \fBMIFF:bird.miff 512x480\fP for an image titled \fBbird.miff\fP and whose width is 512 and height is 480. If the first character of \fIstring\fP is \fB@\fP, the image label is read from a file titled by the remaining characters in the string. When converting to Postscript, use this option to specify a header string to print above the image. .TP 5 .B "-matte" store matte channel if the image has one. .TP 5 .B "-monochrome" transform the image to black and white. .TP 5 .B "-page \fIx{\+-}{\+-}\fP" preferred size and location of the Postscript page. Use this option to specify the dimensions of the Postscript page in pixels per inch or a TEXT page in pixels. The default for a Postscript page is to center the image on a letter page 612 by 792 pixels. The margins are 1/2" (i.e. 612x792+36+36). Other common sizes are: Letter 612x 792 Tabloid 792x1224 Ledger 1224x 792 Legal 612x1008 Statement 396x 612 Executive 540x 720 A3 842x1190 A4 595x 842 A5 420x 595 B4 729x1032 B5 516x 729 Folio 612x 936 Quarto 610x 780 10x14 720x1008 For convenience you can specify the page size by media (e.g. A4, Ledger, etc.). The page geometry is relative to the vertical and horizontal density of the Postscript page. See \fB-density\fP for details. The default page dimensions for a TEXT image is 612x792. .TP 5 .B "-quality \fIvalue\fP" JPEG quality setting. Quality is 0 (worst) to 100 (best). The default is 75. .TP 5 .B "-scene \fIvalue\fP" image scene number. .TP 5 .B "-size \fI{%}x{%}{+offset}{!}" width and height of the image. Use this option to specify the width and height of raw images whose dimensions are unknown such as \fBGRAY\fP, \fBRGB\fP, or \fBCMYK\fP. In addition to width and height, use \fB-size\fP to skip any header information in the image or tell the number of colors in a \fBMAP\fP image file, (e.g. -size 640x512+256). .TP 5 .B "-stereo" combine two images into a red-green stereo image. The left side of the stereo pair is saved as the red channel of the output image. The right sife is saved as the green channel. Red-blue stereo glasses are required to properly view the stereo image. .TP 5 .B "-treedepth \fIvalue\fP" Normally, this integer value is zero or one. A zero or one tells \fBcombine\fP to choose a optimal tree depth for the color reduction algorithm. An optimal depth generally allows the best representation of the source image with the fastest computational speed and the least amount of memory. However, the default depth is inappropriate for some images. To assure the best representation, try values between 2 and 8 for this parameter. Refer to \fBquantize(9)\fP for more details. The \fB-colors\fP option is required for this option to take effect. .TP 5 .B -verbose print detailed information about the image. This information is printed: image scene number; image name; combined image name; image size; the image class (\fIDirectClass\fP or \fIPseudoClass\fP); the total number of unique colors; and the number of seconds to read and combine the image. .PP Options are processed in command line order. Any option you specify on the command line remains in effect until it is explicitly changed by specifying the option again with a different effect. .PP Change '-' to '+' in any option above to reverse its effect. For example, specify +matte to store the image without its matte channel. .PP By default, the image format is determined by its magic number. To specify a particular image format, precede the filename with an image format name and a colon (i.e. ps:image) or specify the image type as the filename suffix (i.e. image.ps). See \fBconvert(1)\fP for a list of valid image formats. .PP When you specify \fBX\fP as your image type, the filename has special meaning. It specifies an X window by id, name, or \fBroot\fP. If no filename is specified, the window is selected by clicking the mouse in the desired window. .PP Specify \fIinput_file\fP as \fI-\fP for standard input, \fIoutput_file\fP as \fI-\fP for standard output. If \fIinput_file\fP has the extension \fB.Z\fP or \fB.gz\fP, the file is uncompressed with \fBuncompress\fP or \fBgunzip\fP respectively. If \fIoutput_file\fP has the extension \fB.Z\fP or \fB.gz\fP, the file size is compressed using with \fBcompress\fP or \fBgzip\fP respectively. Finally, precede the image file name with \fI|\fP to pipe to or from a system command. .PP Use an optional index enclosed in brackets after a file name to specify a desired subimage of a multi-resolution image format like Photo CD (e.g. img0001.pcd[4]) or a range for MPEG images (e.g. video.mpg[50-75]). .PP If \fIoutput_file\fP already exists, you will be prompted as to whether it should be overwritten. .SH ENVIRONMENT .PP .TP 5 .B display To get the default host, display number, and screen. .SH SEE ALSO .B display(1), animate(1), import(1), montage(1), mogrify(1), convert(1), segment(1), xtp(1) .SH COPYRIGHT Copyright 1995 E. I. du Pont de Nemours and Company .PP Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. du Pont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. du Pont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty. .PP E. I. du Pont de Nemours and Company disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness, in no event shall E. I. du Pont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortuous action, arising out of or in connection with the use or performance of this software. .SH AUTHORS John Cristy, E.I. du Pont De Nemours and Company Incorporated erage) for pixels inside the shape, zero outside, and between zero and 255 on the boundary. If \fIimage\fP does not have an matte channel, it is initialized with 0 for any pixel matching in color to pixel location (0,0), otherwise 255 (to work properly \fBborderwidth\./ImageMagick/ImageMagick.man010064400000240000024000000206360602164611000171250ustar00cristycristy00002330000007.ad l .nh .TH ImageMagick 1 "1 September 1995" "ImageMagick" .SH NAME ImageMagick - ImageMagick is an X11 package for display and interactive manipulation of images. .SH DESCRIPTION ImageMagick is an X11 package for display and interactive manipulation of images. The package includes tools for image conversion, annotation, compositing, animation, and creating montages. ImageMagick can read and write many of the more popular image formats (e.g. JPEG, TIFF, PNM, XPM, Photo CD, etc.). ImageMagick is available via anonymous FTP as \fBcontrib/applications/ImageMagick/ImageMagick-3.6.6.tar.gz\fP on \fBftp.x.org\fP. .PP .TP 5 .B display \fBDisplay\fP is a machine architecture independent image and display program. It can display an image on any workstation display running an X server. \fBDisplay\fP can read and write many of the more popular image formats (e.g. JPEG, TIFF, PNM, Photo CD, etc.). You can perform these functions on the image: .PP o load an image from a file o display the next image o display the former image o display a sequence of images as a slide show o write the image to a file o print the image to a Postscript printer o delete the image file o create a Visual Image Directory o select the image to display by its thumbnail rather than name o undo last image transformation o copy a region of the image o paste a region to the image o restore the image to its original size o refresh the image o half the image size o double the image size o resize the image o crop the image o cut the image o flop image in the horizontal direction o flip image in the vertical direction o rotate the image 90 degrees clockwise o rotate the image 90 degrees counter-clockwise o rotate the image o shear the image o trim the image edges o invert the colors of the image o vary the color brightness o vary the color saturation o vary the image hue o gamma correct the image o sharpen the image contrast o dull the image contrast o perform histogram equalization on the image o perform histogram normalization on the image o negate the image colors o toggle the colormap type: : Shared or Private o reduce the speckles within an image o eliminate peak noise from an image o detect edges within the image o emboss an image o oil paint an image o convert the image to grayscale o set the maximum number of unique colors in the image o segment the image by color o apply image processing techniques to a region of interest o annotate the image with text o draw on the image o edit an image pixel color o edit the image matte information o composite an image with another o add a border to the image o surround image with an ornamental border o add an image comment o display image centered on a backdrop o display image to background of a window o display information about the image o display information about this program o discard all images and exit program o change the level of magnification o display images specified by a World Wide Web (WWW) uniform resource locator (URL) .TP 5 .B import Import reads an image from any visible window on an X server and outputs it as an image file. You can capture a single window, the entire screen, or any rectangular portion of the screen. You can use the display (see display(1)) utility for redisplay, printing, editing, formatting, archiving, image processing, etc. of the captured image. The target window can be specified by id, name, or may be selected by clicking the mouse in the desired window. If you press a button and then drag, a rectangle will form which expands and contracts as the mouse moves. To save the portion of the screen defined by the rectangle, just release the button. The keyboard bell is rung once at the beginning of the screen capture and twice when it completes. .TP 5 .B animate Animate displays a sequence of images on any workstation display running an X server. Animate first determines the hardware capabilities of the workstation. If the number of unique colors in an image is less than or equal to the number the workstation can support, the image is displayed in an X window. Otherwise the number of colors in the image is first reduced to match the color resolution of the workstation before it is displayed. This means that a continuous-tone 24 bits/pixel image can display on a 8 bit pseudo-color device or monochrome device. In most instances the reduced color image closely resembles the original. Alternatively, a monochrome or pseudo-color image sequence can display on a continuous-tone 24 bits/pixels device. .TP 5 .B montage Montage creates a composite image by combining several separate images. The images are tiled on the composite image with the name of the image optionally appearing just below the individual tile. .TP 5 .B convert Convert converts an input file using one image format to an output file with a differing image format. By default, the image format is determined by it's magic number. To specify a particular image format, precede the filename with an image format name and a colon (i.e. ps:image) or specify the image type as the filename suffix (i.e. image.ps). Specify file as - for standard input or output. If file has the extension .Z, the file is decoded with uncompress. .TP 5 .B mogrify Mogrify transforms an image or a sequence of images. These transforms include image scaling, image rotation, color reduction, and others. The transmogrified image overwrites the original image. .TP 5 .B identify describes the format and characteristics of one or more image files. It will also report if an image is incomplete or corrupt. The information displayed includes the scene number, the file name, the width and height of the image, whether the image is colormapped or not, the number of colors in the image, the number of bytes in the image, the format of the image (JPEG, PNM, etc.), and finally the number of seconds it took to read and process the image. .TP 5 .B combine Combine combines images to create new images. .TP 5 .B segment Segment segments an image by analyzing the histograms of the color components and identifying units that are homogeneous with the fuzzy c-means technique. The scale-space filter analyzes the histograms of the three color components of the image and identifies a set of classes. The extents of each class is used to coarsely segment the image with thresholding. The color associated with each class is determined by the mean color of all pixels within the extents of a particular class. Finally, any unclassified pixels are assigned to the closest class with the fuzzy c-means technique. .TP 5 .B xtp Xtp is a utility for retrieving, listing, or printing files from a remote network site, or sending files to a remote network site. Xtp performs most of the same functions as the ftp program, but does not require any interactive commands. You simply specify the file transfer task on the command line and xtp performs the task automatically. .SH SEE ALSO .B display(1), animate(1), import(1), montage(1), mogrify(1), convert(1), segment(1), combine(1), xtp(1) .SH COPYRIGHT Copyright 1995 E. I. du Pont de Nemours and Company .PP Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. du Pont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. du Pont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty. .PP E. I. du Pont de Nemours and Company disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness, in no event shall E. I. du Pont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortuous action, arising out of or in connection with the use or performance of this software. .SH AUTHORS John Cristy, E.I. du Pont de Nemours and Company Incorporated pletes. .TP 5 .B animate Animate displays a sequence of images on any workstation display running ./ImageMagick/Makefile010074400000240000024000000147600600505003600157320ustar00cristycristy00002330000007# Generated automatically from Makefile.in by configure. # Generic makefile for display, animate, montage, and import for # computers that do not have xmkmf. # # Copyright 1995 E. I. du Pont de Nemours and Company # # Permission to use, copy, modify, distribute, and sell this software and # its documentation for any purpose is hereby granted without fee, # provided that the above Copyright notice appear in all copies and that # both that Copyright notice and this permission notice appear in # supporting documentation, and that the name of E. I. du Pont de Nemours # and Company not be used in advertising or publicity pertaining to # distribution of the software without specific, written prior # permission. E. I. du Pont de Nemours and Company makes no representations # about the suitability of this software for any purpose. It is provided # "as is" without express or implied warranty. # # E. I. du Pont de Nemours and Company disclaims all warranties with regard # to this software, including all implied warranties of merchantability # and fitness, in no event shall E. I. du Pont de Nemours and Company be # liable for any special, indirect or consequential damages or any # damages whatsoever resulting from loss of use, data or profits, whether # in an action of contract, negligence or other tortious action, arising # out of or in connection with the use or performance of this software. # # If your system does not have /usr/include/dirent.h, define NoDIRENT. # # DIRENT_DEFINES= -DNoDIRENT # Define HasShape if your X server supports the Shape Extension. Define # HasSharedMemory if your X server supports the Shared Memory Extension. # # EXTENSIONS_DEFINES= -DHasShape -DHasSharedMemory # Set DoSharedLib to HasSharedLibraries to build ImageMagick with shared # libraries. # # #define DoSharedLib HasSharedLibraries # # Uncomment the following lines if you have the HDF, JBIG, JPEG, PNG, TIFF, # or XPM libraries. See README for more details. # #HDF_DEFINES= -DHasHDF #HDF_INCLUDES= -I../hdf #HDF_LIBRARIES= -Lhdf -ldf #JBIG_DEFINES= -DHasJBIG #JBIG_INCLUDES= -I../jbig/libjbig #JBIG_LIBRARIES= -Ljbig/libjbig -ljbig #JPEG_DEFINES= -DHasJPEG #JPEG_INCLUDES= -I../jpeg #JPEG_LIBRARIES= -Ljpeg -ljpeg #MPEG_DEFINES= -DHasMPEG #MPEG_INCLUDES= -I../mpeg #MPEG_LIBRARIES= -Lmpeg -lmpeg #PNG_DEFINES= -DHasPNG #PNG_INCLUDES= -I../png -I../zlib #PNG_LIBRARIES= -Lpng -lpng -Lzlib -lgz #TIFF_DEFINES= -DHasTIFF #TIFF_INCLUDES= -I../tiff/libtiff #TIFF_LIBRARIES= -Ltiff/libtiff -ltiff #XPM_DEFINES= -DHasXPM #XPM_INCLUDES= -I../xpm #XPM_LIBRARIES= -Lxpm -lXpm MAGICK_INCLUDES= -Imagick CC = gcc DEFS = -DSTDC_HEADERS=1 -DHAVE_DIRENT_H=1 INSTALL = ./install-sh -c INSTALL_DATA = ${INSTALL} -m 644 INSTALL_PROGRAM = ${INSTALL} LDFLAGS = LIBS = -lm X_INCLUDES = -I/usr/openwin/include X_LIBRARIES = -L/usr/openwin/lib -R/usr/openwin/lib -lnsl -lsocket -lX11 LOCALDIR= /usr/local/bin LOCALMAN= /usr/local/man/mann DEFINES= $(MAGICK_INCLUDES) $(DIRENT_DEFINES) $(HDF_DEFINES) $(HDF_INCLUDES) \ $(JBIG_DEFINES) $(JBIG_INCLUDES) $(JPEG_DEFINES) $(JPEG_INCLUDES) \ $(MPEG_DEFINES) $(MPEG_INCLUDES) $(PNG_DEFINES) $(PNG_INCLUDES) \ $(TIFF_DEFINES) $(TIFF_INCLUDES) $(XPM_DEFINES) $(XPM_INCLUDES) $(X_INCLUDES) SYS_LIBRARIES= $(HDF_LIBRARIES) $(JBIG_LIBRARIES) $(JPEG_LIBRARIES) \ $(MPEG_LIBRARIES) $(PNG_LIBRARIES) $(TIFF_LIBRARIES) $(XPM_LIBRARIES) \ $(X_LIBRARIES) $(LIBS) DisplayObjects= display.o ImportObjects= import.o MontageObjects= montage.o AnimateObjects= animate.o ConvertObjects= convert.o IdentifyObjects= identify.o MogrifyObjects= mogrify.o IdentifyObjects= identify.o CombineObjects= combine.o SegmentObjects= segment.o PROGRAMS= display import montage animate convert mogrify identify combine \ segment CFLAGS= -O $(DEFINES) all: libmagick.a $(PROGRAMS) libmagick.a: (cd magick; make CFLAGS="$(CFLAGS)") display: $(DisplayObjects) rm -f $@ $(CC) -o $@ $(DisplayObjects) magick/libMagick.a $(SYS_LIBRARIES) import: $(ImportObjects) rm -f $@ $(CC) -o $@ $(ImportObjects) magick/libMagick.a $(SYS_LIBRARIES) montage: $(MontageObjects) rm -f $@ $(CC) -o $@ $(MontageObjects) magick/libMagick.a $(SYS_LIBRARIES) animate: $(AnimateObjects) rm -f $@ $(CC) -o $@ $(AnimateObjects) magick/libMagick.a $(SYS_LIBRARIES) convert: $(ConvertObjects) rm -f $@ $(CC) -o $@ $(ConvertObjects) magick/libMagick.a $(SYS_LIBRARIES) identify: $(IdentifyObjects) rm -f $@ $(CC) -o $@ $(IdentifyObjects) magick/libMagick.a $(SYS_LIBRARIES) mogrify: $(MogrifyObjects) rm -f $@ $(CC) -o $@ $(MogrifyObjects) magick/libMagick.a $(SYS_LIBRARIES) combine: $(CombineObjects) rm -f $@ $(CC) -o $@ $(CombineObjects) magick/libMagick.a $(SYS_LIBRARIES) segment: $(SegmentObjects) rm -f $@ $(CC) -o $@ $(SegmentObjects) magick/libMagick.a $(SYS_LIBRARIES) install: display import montage animate convert mogrify combine segment $(INSTALL_PROGRAM) display $(LOCALDIR)/display $(INSTALL_DATA) display.man $(LOCALMAN)/display.n $(INSTALL_PROGRAM) import $(LOCALDIR)/import $(INSTALL_DATA) import.man $(LOCALMAN)/import.n $(INSTALL_PROGRAM) montage $(LOCALDIR)/montage $(INSTALL_DATA) montage.man $(LOCALMAN)/montage.n $(INSTALL_PROGRAM) animate $(LOCALDIR)/animate $(INSTALL_DATA) animate.man $(LOCALMAN)/animate.n $(INSTALL_PROGRAM) convert $(LOCALDIR)/convert $(INSTALL_DATA) convert.man $(LOCALMAN)/convert.n $(INSTALL_PROGRAM) identify $(LOCALDIR)/identify $(INSTALL_DATA) identify.man $(LOCALMAN)/identify.n $(INSTALL_PROGRAM) mogrify $(LOCALDIR)/mogrify $(INSTALL_DATA) mogrify.man $(LOCALMAN)/mogrify.n $(INSTALL_PROGRAM) combine $(LOCALDIR)/combine $(INSTALL_DATA) combine.man $(LOCALMAN)/combine.n $(INSTALL_PROGRAM) segment $(LOCALDIR)/segment $(INSTALL_DATA) segment.man $(LOCALMAN)/segment.n clean:: (cd magick; make clean) rm -f *.ln *.bak *.o core errs ,* *~ *.a .emacs_* make.log MakeOut rm -f config.cache rm -f display rm -f import rm -f montage rm -f animate rm -f convert rm -f mogrify rm -f identify rm -f combine rm -f segment display.o: display.c magick/magick.h magick/image.h magick/utility.h magick/X.h magick/widget.h import.o: import.c magick/magick.h magick/image.h magick/X.h montage.o: montage.c magick/magick.h magick/image.h magick/X.h magick/compress.h animate.o: animate.c magick/magick.h magick/image.h magick/compress.h magick/X.h magick/widget.h convert.o: convert.c magick/magick.h magick/image.h magick/X.h mogrify.o: mogrify.c magick/magick.h magick/image.h magick/X.h combine.o: combine.c magick/magick.h magick/image.h magick/X.h segment.o: segment.c magick/magick.h magick/image.h magick/X.h re, including al./ImageMagick/mogrify.c010064400000240000024000001051130602164601600161110ustar00cristycristy00002330000007/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M M OOO GGGG RRRR IIIII FFFFF Y Y % % MM MM O O G R R I F Y Y % % M M M O O G GG RRRRR I FFF Y % % M M O O G G R R I F Y % % M M OOO GGG R R IIIII F Y % % % % % % Transmogrify an Image or Sequence of Images. % % % % % % % % Software Design % % John Cristy % % December 1992 % % % % % % Copyright 1995 E. I. du Pont de Nemours and Company % % % % Permission to use, copy, modify, distribute, and sell this software and % % its documentation for any purpose is hereby granted without fee, % % provided that the above Copyright notice appear in all copies and that % % both that Copyright notice and this permission notice appear in % % supporting documentation, and that the name of E. I. du Pont de Nemours % % and Company not be used in advertising or publicity pertaining to % % distribution of the software without specific, written prior % % permission. E. I. du Pont de Nemours and Company makes no representations % % about the suitability of this software for any purpose. It is provided % % "as is" without express or implied warranty. % % % % E. I. du Pont de Nemours and Company disclaims all warranties with regard % % to this software, including all implied warranties of merchantability % % and fitness, in no event shall E. I. du Pont de Nemours and Company be % % liable for any special, indirect or consequential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, negligence or other tortuous action, arising % % out of or in connection with the use or performance of this software. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % `Mogrify' applies one or more image transforms to an image or sequence of % images and overwrites the original image. % % The Mogrify program command syntax is: % % Usage: mogrify [options ...] file [ [options ...] file ...] % % Where options include: % -annotate string annotate the image with text % -blur factor apply a filter to blur the image % -border geometry surround image with a border of color % -colors value preferred number of colors in the image % -colorspace type GRAY, OHTA, RGB, XYZ, YCbCr, YIQ, YPbPr, or YUV % -comment string annotate image with comment % -compress type RunlengthEncoded or QEncoded % -contrast enhance or reduce the image contrast % -crop geometry preferred size and location of the cropped image % -density geometry vertical and horizontal density of the image % -despeckle reduce the speckles within an image", % -display server obtain image or font from this X server % -dither apply Floyd/Steinberg error diffusion to image % -edge apply a filter to detect edges in the image % -emboss emboss an image % -enhance apply a digital filter to enhance a noisy image % -equalize perform histogram equalization to an image % -flip flip image in the vertical direction % -flop flop image in the horizontal direction % -font name X11 font for displaying text % -format type image format type % -frame geometry surround image with an ornamental border % -gamma value level of gamma correction % -geometry geometry perferred size or location of the image % -interlace type NONE, LINE, or PLANE % -label name assign a label to an image % -map filename transform image colors to match this set of colors % -modulate value vary the brightness, saturation, and hue % -monochrome transform image to black and white % -negate apply color inversion to image % -noise reduce noise with a noise peak elimination filter % -normalize transform image to span the full range of colors % -opaque color change this color to the pen color % -page geometry size and location of the Postscript page % -paint paint an image % -pen color color for annotating or changing opaque color % -pointsize value pointsize of Postscript font % -quality value JPEG quality setting % -raise value lighten/darken image edges to create a 3-D effect % -roll geometry roll an image vertically or horizontally % -rotate degrees apply Paeth rotation to the image % -scene value image scene number % -sharpen factor apply a filter to sharpen the image % -shear geometry slide one edge of the image along the X or Y axis % -size geometry width and height of image % -transparent color make this color transparent within the image % -treedepth value depth of the color classification tree % -undercolor geometry control undercolor removal and black generation % -verbose print detailed information about the image % % Change '-' to '+' in any option above to reverse its effect. For % example, specify +compress to store the image as uncompressed. % % By default, the image format of `file' is determined by its magic % number. To specify a particular image format, precede the filename % with an image format name and a colon (i.e. ps:image) or specify the % image type as the filename suffix (i.e. image.ps). Specify 'file' as % '-' for standard input or output. % % */ /* Include declarations. */ #include "magick.h" #include "image.h" #include "utility.h" #include "X.h" /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % U s a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function Usage displays the program command syntax. % % The format of the Usage routine is: % % Usage() % % */ static void Usage() { char **p; static char *options[]= { "-annotate string annotate the image with text", "-blur factor apply a filter to blur the image", "-border geometry surround image with a border of color", "-colors value preferred number of colors in the image", "-colorspace type GRAY, OHTA, RGB, XYZ, YCbCr, YIQ, YPbPr, or YUV", "-comment string annotate image with comment", "-compress type RunlengthEncoded or QEncoded", "-contrast enhance or reduce the image contrast", "-crop geometry preferred size and location of the cropped image", "-density geometry vertical and horizontal density of the image", "-despeckle reduce the speckles within an image", "-display server obtain image or font from this X server", "-dither apply Floyd/Steinberg error diffusion to image", "-edge apply a filter to detect edges in the image", "-emboss emboss an image", "-enhance apply a digital filter to enhance a noisy image", "-equalize perform histogram equalization to an image", "-flip flip image in the vertical direction", "-flop flop image in the horizontal direction", "-font name X11 font for displaying text", "-format type image format type", "-frame geometry surround image with an ornamental border", "-gamma value level of gamma correction", "-geometry geometry perferred size or location of the image", "-interlace type NONE, LINE, or PLANE", "-label name assign a label to an image", "-map filename transform image colors to match this set of colors", "-modulate value vary the brightness, saturation, and hue", "-monochrome transform image to black and white", "-negate apply color inversion to image", "-noise reduce noise with a noise peak elimination filter", "-normalize transform image to span the full range of colors", "-opaque color change this color to the pen color", "-page geometry size and location of the Postscript page", "-paint paint an image", "-pen color color for annotating or changing opaque color", "-pointsize value pointsize of Postscript font", "-quality value JPEG quality setting", "-raise value lighten/darken image edges to create a 3-D effect", "-roll geometry roll an image vertically or horizontally", "-rotate degrees apply Paeth rotation to the image", "-scene number image scene number", "-sharpen factor apply a filter to sharpen the image", "-shear geometry slide one edge of the image along the X or Y axis", "-size geometry width and height of image", "-transparent color make this color transparent within the image", "-treedepth value depth of the color classification tree", "-undercolor geometry control undercolor removal and black generation", "-verbose print detailed information about the image", (char *) NULL }; (void) printf("Version: %s\n\n",Version); (void) printf( "Usage: %s [-options ...] file [ [-options ...] file ...]\n",client_name); (void) printf("\nWhere options include: \n"); for (p=options; *p != (char *) NULL; p++) (void) printf(" %s\n",*p); (void) printf( "\nChange '-' to '+' in any option above to reverse its effect. For\n"); (void) printf( "example, specify +compress to store the image as uncompressed.\n"); (void) printf( "\nBy default, the image format of `file' is determined by its magic\n"); (void) printf( "number. To specify a particular image format, precede the filename\n"); (void) printf( "with an image format name and a colon (i.e. ps:image) or specify the\n"); (void) printf( "image type as the filename suffix (i.e. image.ps). Specify 'file' as\n"); (void) printf("'-' for standard input or output.\n"); exit(1); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a i n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ int main(argc,argv) int argc; char **argv; { char *format, *option; Image **images, *map_image; ImageInfo image_info; int i, x; unsigned int colorspace, compression, image_number, maximum_images, number_colors, scene, tree_depth; /* Display usage profile if there are no command line arguments. */ client_name=ClientName(*argv); if (argc < 2) Usage(); /* Set defaults. */ colorspace=RGBColorspace; compression=UndefinedCompression; format=(char *) NULL; GetImageInfo(&image_info); map_image=(Image *) NULL; number_colors=0; scene=0; tree_depth=0; maximum_images=MaxTextLength; images=(Image **) malloc(maximum_images*sizeof(Image *)); if (images == (Image **) NULL) Error("Unable to mogrify images","Memory allocation failed"); /* Parse command line. */ image_number=0; ExpandFilenames(&argc,&argv); for (i=1; i < argc; i++) { option=argv[i]; if (((int) strlen(option) > 1) && ((*option == '-') || (*option == '+'))) switch (*(option+1)) { case 'a': { if (strncmp("annotate",option+1,2) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing text on -annotate",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'b': { if (strncmp("blur",option+1,2) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing factor on -blur",(char *) NULL); } break; } if (strncmp("border",option+1,7) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -border",(char *) NULL); } break; } if (strncmp("bordercolor",option+1,7) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing color on -bordercolor",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'c': { if (strncmp("colors",option+1,7) == 0) { number_colors=0; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing colors on -colors",(char *) NULL); number_colors=atoi(argv[i]); } break; } if (strncmp("colorspace",option+1,7) == 0) { colorspace=RGBColorspace; if (*option == '-') { i++; if (i == argc) Error("Missing type on -colorspace",(char *) NULL); option=argv[i]; colorspace=UndefinedColorspace; if (Latin1Compare("gray",option) == 0) { colorspace=GRAYColorspace; number_colors=256; tree_depth=8; } if (Latin1Compare("ohta",option) == 0) colorspace=OHTAColorspace; if (Latin1Compare("rgb",option) == 0) colorspace=RGBColorspace; if (Latin1Compare("xyz",option) == 0) colorspace=XYZColorspace; if (Latin1Compare("ycbcr",option) == 0) colorspace=YCbCrColorspace; if (Latin1Compare("yiq",option) == 0) colorspace=YIQColorspace; if (Latin1Compare("ypbpr",option) == 0) colorspace=YPbPrColorspace; if (Latin1Compare("yuv",option) == 0) colorspace=YUVColorspace; if (colorspace == UndefinedColorspace) Error("Invalid colorspace type on -colorspace",option); } break; } if (strncmp("comment",option+1,4) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing comment on -comment",(char *) NULL); } break; } if (strncmp("compress",option+1,3) == 0) { compression=NoCompression; if (*option == '-') { i++; if (i == argc) Error("Missing type on -compress",(char *) NULL); option=argv[i]; if (Latin1Compare("runlengthencoded",option) == 0) compression=RunlengthEncodedCompression; else if (Latin1Compare("qencoded",option) == 0) compression=QEncodedCompression; else Error("Invalid compression type on -compress",option); } break; } if (strncmp("contrast",option+1,3) == 0) break; if (strncmp("crop",option+1,2) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -crop",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'd': { if (strncmp("density",option+1,3) == 0) { image_info.density=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -density",(char *) NULL); image_info.density=argv[i]; } break; } if (strncmp("despeckle",option+1,3) == 0) break; if (strncmp("display",option+1,3) == 0) { image_info.server_name=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing server name on -display",(char *) NULL); image_info.server_name=argv[i]; } break; } if (strncmp("dither",option+1,3) == 0) { image_info.dither=(*option == '-'); break; } Error("Unrecognized option",option); break; } case 'e': { if (strncmp("edge",option+1,2) == 0) break; if (strncmp("emboss",option+1,2) == 0) break; if (strncmp("enhance",option+1,2) == 0) break; if (strncmp("equalize",option+1,2) == 0) break; Error("Unrecognized option",option); break; } case 'f': { if (strncmp("flip",option+1,3) == 0) break; if (strncmp("flop",option+1,3) == 0) break; if (strncmp("font",option+1,3) == 0) { image_info.font=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing font name on -font",(char *) NULL); image_info.font=argv[i]; } break; } if (strncmp("format",option+1,3) == 0) { format=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing image type on -format",(char *) NULL); format=argv[i]; (void) strcpy(image_info.filename,format); (void) strcat(image_info.filename,":"); SetImageMagick(&image_info); if (*image_info.magick == '\0') Error("Unrecognized image format",format); } break; } if (strncmp("frame",option+1,2) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -frame",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'g': { if (strncmp("gamma",option+1,2) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing value on -gamma",(char *) NULL); } break; } if (strncmp("geometry",option+1,2) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -geometry",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'h': { if (strncmp("help",option+1,2) == 0) { Usage(); break; } Error("Unrecognized option",option); break; } case 'i': { if (strncmp("interlace",option+1,3) == 0) { image_info.interlace=NoneInterlace; if (*option == '-') { i++; if (i == argc) Error("Missing type on -interlace",(char *) NULL); option=argv[i]; image_info.interlace=UndefinedInterlace; if (Latin1Compare("none",option) == 0) image_info.interlace=NoneInterlace; if (Latin1Compare("line",option) == 0) image_info.interlace=LineInterlace; if (Latin1Compare("plane",option) == 0) image_info.interlace=PlaneInterlace; if (image_info.interlace == UndefinedInterlace) Error("Invalid interlace type on -interlace",option); } break; } Error("Unrecognized option",option); break; } case 'l': { if (strncmp("label",option+1,2) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing label name on -label",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'm': { if (strncmp("map",option+1,3) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing file name on -map",(char *) NULL); (void) strcpy(image_info.filename,argv[i]); map_image=ReadImage(&image_info); if (map_image == (Image *) NULL) Error("Unable to read map image",argv[i]); } break; } if (strncmp("mattecolor",option+1,6) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing color on -mattecolor",(char *) NULL); } break; } if (strncmp("modulate",option+1,3) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing value on -modulate",(char *) NULL); } break; } if (strncmp("monochrome",option+1,4) == 0) { image_info.monochrome=(*option == '-'); if (image_info.monochrome) { number_colors=2; tree_depth=8; colorspace=GRAYColorspace; } break; } Error("Unrecognized option",option); break; } case 'n': { if (strncmp("negate",option+1,3) == 0) break; if (strncmp("noise",option+1,3) == 0) break; if (strncmp("normalize",option+1,3) == 0) break; Error("Unrecognized option",option); break; } case 'o': { if (strncmp("opaque",option+1,2) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing color on -opaque",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'p': { if (strncmp("page",option+1,3) == 0) { image_info.page=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing page geometry on -page",(char *) NULL); image_info.page=PostscriptGeometry(argv[i]); } break; } if (strncmp("paint",option+1,3) == 0) break; if (strncmp("pen",option+1,2) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing pen color on -pen",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'q': { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing quality on -quality",(char *) NULL); image_info.quality=atoi(argv[i]);; break; } case 'r': { if (strncmp("raise",option+1,2) == 0) { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing bevel width on -raise",(char *) NULL); break; } if (strncmp("roll",option+1,3) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -roll",(char *) NULL); } break; } if (strncmp("rotate",option+1,3) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing degrees on -rotate",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 's': { if (strncmp("scene",option+1,3) == 0) { scene=0; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing scene number on -scene",(char *) NULL); scene=atoi(argv[i]); } break; } if (strncmp("sharpen",option+1,3) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing factor on -sharpen",(char *) NULL); } break; } if (strncmp("shear",option+1,3) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing shear geometry on -shear",(char *) NULL); } break; } if (strncmp("size",option+1,2) == 0) { image_info.size=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -size",(char *) NULL); image_info.size=argv[i]; } break; } Error("Unrecognized option",option); break; } case 't': { if (strncmp("transparent",option+1,3) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing color on -transparent",(char *) NULL); } break; } if (strncmp("treedepth",option+1,3) == 0) { tree_depth=0; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing depth on -treedepth",(char *) NULL); tree_depth=atoi(argv[i]); } break; } Error("Unrecognized option",option); break; } case 'u': { if (strncmp("undercolor",option+1,2) == 0) { image_info.undercolor=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing undercolor geometry on -undercolor", (char *) NULL); image_info.undercolor=argv[i]; } break; } Error("Unrecognized option",option); break; } case 'v': { image_info.verbose=(*option == '-'); break; } case '?': { Usage(); break; } default: { Error("Unrecognized option",option); break; } } else { Image *image, *next_image; /* Option is a file name: begin by reading image from specified file. */ (void) strcpy(image_info.filename,argv[i]); image=ReadImage(&image_info); if (image == (Image *) NULL) if (*option == '-') break; else continue; do { if (scene != 0) image->scene=scene; if (format != (char *) NULL) { register char *p; /* Modify filename to include a user specified image format. */ p=image->filename+strlen(image->filename)-1; while ((*p != '.') && (p > image->filename)) p--; p++; if (strcmp(p,image->magick) == 0) (void) strcpy(p,format); else { (void) sprintf(image_info.filename,"%s:%s",format, image->filename); (void) strcpy(image->filename,image_info.filename); } } /* Transmogrify image as defined by the image processing options. */ MogrifyImage(&image_info,i,argv,&image); if (map_image != (Image *) NULL) MapImage(image,map_image,False); if (image_info.verbose) DescribeImage(image,stderr,False); if (compression != UndefinedCompression) image->compression=compression; if (number_colors == 0) { if (format != (char *) NULL) AppendImageFormat(format,image->filename); (void) WriteImage(&image_info,image); } if (image_number == maximum_images) { /* Increase size of images array. */ maximum_images<<=1; images=(Image **) realloc((char *) images,maximum_images*sizeof(Image *)); if (images == (Image **) NULL) Error("Unable to mogrify images","Memory allocation failed"); } images[image_number++]=image; next_image=image->next; if (next_image != (Image *) NULL) image=next_image; } while (next_image != (Image *) NULL); if (number_colors == 0) DestroyImage(image); } } if (image_number == 0) Error("Missing an image file name",(char *) NULL); if (number_colors != 0) { /* Global colormap option; reduce colors then write image. */ QuantizeImages(images,image_number,number_colors,tree_depth, image_info.dither,colorspace); for (i=0; i < image_number; i++) { (void) WriteImage(&image_info,images[i]); DestroyImage(images[i]); } } if (map_image != (Image *) NULL) DestroyImage(map_image); free((char *) images); free((char *) image_info.filename); exit(0); return(False); } } break; } if (strncmp("mattecolor",option+1,6) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing color on -mattecolor",(char *) NULL); } break; } if (strncmp("modulate",option+1,3) == 0) { if (*option == '-') ./ImageMagick/Install010075500000240000024000000025560601042613500156300ustar00cristycristy00002330000007#!/usr/local/bin/perl # # Assumes you have these directories (see README): # ImageMagick/hdf # ImageMagick/jbig # ImageMagick/jpeg # ImageMagick/magick # ImageMagick/mpeg # ImageMagick/png # ImageMagick/tiff # ImageMagick/xpm # ImageMagick/xtp # ImageMagick/zlib # # type # # Install sun # # Substitute the appropriate machine type (aix, hpux, sgi, etc). # # $os=shift || die "Usage: Install system-type\n"; -M "display.c" || die "Must be in ImageMagick directory to run Install\n"; &compile($os,"hdf","libnofortran",0); &compile($os,"jbig","",0); &compile($os,"jpeg","",0); &compile($os,"mpeg","",0); &compile($os,"png","",0); &compile($os,"tiff","",0); &compile($os,"xpm","",1); &compile($os,"xtp","",1); &compile($os,"zlib","",0); &compile($os,"magick","",1); &compile($os,".","",1); sub compile { local($os,$name,$target,$x) = @_; chdir $name || die "Can't change directory to $name: $!.\n"; print "Compiling $name...\n"; unlink "config.cache"; system "/bin/rm -f *.o"; system "/bin/rm -f *.a"; system "/bin/rm -f lib*"; system "/bin/rm -rf shared"; system "/bin/cp Makefile.noX Makefile"; system "/bin/cp Makefile.$os Makefile"; system "./configure -quiet"; system "xmkmf" unless $x == 0; system "make Makefiles" unless $x == 0; system "make clean"; system "make -k $target" unless $name =~ "magick"; chdir ".."; } ./ImageMagick/Makefile.in010064400000240000024000000150340601764605000163430ustar00cristycristy00002330000007# Generic makefile for display, animate, montage, and import for # computers that do not have xmkmf. # # Copyright 1995 E. I. du Pont de Nemours and Company # # Permission to use, copy, modify, distribute, and sell this software and # its documentation for any purpose is hereby granted without fee, # provided that the above Copyright notice appear in all copies and that # both that Copyright notice and this permission notice appear in # supporting documentation, and that the name of E. I. du Pont de Nemours # and Company not be used in advertising or publicity pertaining to # distribution of the software without specific, written prior # permission. E. I. du Pont de Nemours and Company makes no representations # about the suitability of this software for any purpose. It is provided # "as is" without express or implied warranty. # # E. I. du Pont de Nemours and Company disclaims all warranties with regard # to this software, including all implied warranties of merchantability # and fitness, in no event shall E. I. du Pont de Nemours and Company be # liable for any special, indirect or consequential damages or any # damages whatsoever resulting from loss of use, data or profits, whether # in an action of contract, negligence or other tortious action, arising # out of or in connection with the use or performance of this software. # # If your system does not have /usr/include/dirent.h, define NoDIRENT. # # DIRENT_DEFINES= -DNoDIRENT # Define HasShape if your X server supports the Shape Extension. Define # HasSharedMemory if your X server supports the Shared Memory Extension. # # EXTENSIONS_DEFINES= -DHasShape -DHasSharedMemory # Set DoSharedLib to HasSharedLibraries to build ImageMagick with shared # libraries. # # #define DoSharedLib HasSharedLibraries # By default, the maximum color value is 255. To increase the maximum to # 65535 define: # # QUANTUM_DEFINES= -DQuantumLeap # # Uncomment the following lines if you have the HDF, JBIG, JPEG, PNG, TIFF, # or XPM libraries. See README for more details. # # HDF_DEFINES= -DHasHDF # HDF_INCLUDES= -I../hdf # HDF_LIBRARIES= -Lhdf -ldf # JBIG_DEFINES= -DHasJBIG # JBIG_INCLUDES= -I../jbig/libjbig # JBIG_LIBRARIES= -Ljbig/libjbig -ljbig # JPEG_DEFINES= -DHasJPEG # JPEG_INCLUDES= -I../jpeg # JPEG_LIBRARIES= -Ljpeg -ljpeg # MPEG_DEFINES= -DHasMPEG # MPEG_INCLUDES= -I../mpeg # MPEG_LIBRARIES= -Lmpeg -lmpeg # PNG_DEFINES= -DHasPNG # PNG_INCLUDES= -I../png -I../zlib # PNG_LIBRARIES= -Lpng -lpng -Lzlib -lgz # TIFF_DEFINES= -DHasTIFF # TIFF_INCLUDES= -I../tiff/libtiff # TIFF_LIBRARIES= -Ltiff/libtiff -ltiff # XPM_DEFINES= -DHasXPM # XPM_INCLUDES= -I../xpm # XPM_LIBRARIES= -Lxpm -lXpm MAGICK_INCLUDES= -Imagick CC = @CC@ DEFS = @DEFS@ INSTALL = @INSTALL@ INSTALL_DATA = @INSTALL_DATA@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ LDFLAGS = LIBS = @LIBS@ -lm X_INCLUDES = @X_CFLAGS@ X_LIBRARIES = @X_LIBS@ @X_EXTRA_LIBS@ -lX11 LOCALDIR= /usr/local/bin LOCALMAN= /usr/local/man/mann DEFINES= $(MAGICK_INCLUDES) $(DIRENT_DEFINES) $(QUANTUM_DEFINES) \ $(HDF_DEFINES) $(HDF_INCLUDES) $(JBIG_DEFINES) $(JBIG_INCLUDES) \ $(JPEG_DEFINES) $(JPEG_INCLUDES) $(MPEG_DEFINES) $(MPEG_INCLUDES) \ $(PNG_DEFINES) $(PNG_INCLUDES) $(TIFF_DEFINES) $(TIFF_INCLUDES) \ $(XPM_DEFINES) $(XPM_INCLUDES) $(X_INCLUDES) SYS_LIBRARIES= $(HDF_LIBRARIES) $(JBIG_LIBRARIES) $(JPEG_LIBRARIES) \ $(MPEG_LIBRARIES) $(PNG_LIBRARIES) $(TIFF_LIBRARIES) $(XPM_LIBRARIES) \ $(X_LIBRARIES) $(LIBS) DisplayObjects= display.o ImportObjects= import.o MontageObjects= montage.o AnimateObjects= animate.o ConvertObjects= convert.o IdentifyObjects= identify.o MogrifyObjects= mogrify.o IdentifyObjects= identify.o CombineObjects= combine.o SegmentObjects= segment.o PROGRAMS= display import montage animate convert mogrify identify combine \ segment CFLAGS= -O $(DEFINES) all: libmagick.a $(PROGRAMS) libmagick.a: (cd magick; 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CPP="${CC-cc} -E" # On the NeXT, cc -E runs the code through the compiler's parser, # not just through cpp. cat > conftest.$ac_ext < Syntax Error EOF eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then : else echo "$ac_err" >&5 rm -rf conftest* CPP="${CC-cc} -E -traditional-cpp" cat > conftest.$ac_ext < Syntax Error EOF eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then : else echo "$ac_err" >&5 rm -rf conftest* CPP=/lib/cpp fi rm -f conftest* fi rm -f conftest* ac_cv_prog_CPP="$CPP" fi CPP="$ac_cv_prog_CPP" else ac_cv_prog_CPP="$CPP" fi echo "$ac_t""$CPP" 1>&6 echo $ac_n "checking for AIX""... $ac_c" 1>&6 cat > conftest.$ac_ext <&5 | egrep "yes" >/dev/null 2>&1; then rm -rf conftest* echo "$ac_t""yes" 1>&6; cat >> confdefs.h <<\EOF #define _ALL_SOURCE 1 EOF else rm -rf conftest* echo "$ac_t""no" 1>&6 fi rm -f conftest* echo $ac_n "checking for POSIXized ISC""... $ac_c" 1>&6 if test -d /etc/conf/kconfig.d && grep _POSIX_VERSION /usr/include/sys/unistd.h >/dev/null 2>&1 then echo "$ac_t""yes" 1>&6 ISC=yes # If later tests want to check for ISC. cat >> confdefs.h <<\EOF #define _POSIX_SOURCE 1 EOF if test "$GCC" = yes; then CC="$CC -posix" else CC="$CC -Xp" fi else echo "$ac_t""no" 1>&6 ISC= fi # If we find X, set shell vars x_includes and x_libraries to the # paths, otherwise set no_x=yes. # Uses ac_ vars as temps to allow command line to override cache and checks. # --without-x overrides everything else, but does not touch the cache. echo $ac_n "checking for X""... $ac_c" 1>&6 # Check whether --with-x or --without-x was given. withval="$with_x" if test -n "$withval"; then : fi if test "x$with_x" = xno; then no_x=yes else if test "x$x_includes" != xNONE && test "x$x_libraries" != xNONE; then no_x= else if eval "test \"`echo '$''{'ac_cv_path_x'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else # One or both of the vars are not set, and there is no cached value. no_x=yes rm -fr conftestdir if mkdir conftestdir; then cd conftestdir # Make sure to not put "make" in the Imakefile rules, since we grep it out. cat > Imakefile <<'EOF' acfindx: @echo 'ac_im_incroot="${INCROOT}"; ac_im_usrlibdir="${USRLIBDIR}"; ac_im_libdir="${LIBDIR}"' EOF if (xmkmf) >/dev/null 2>/dev/null && test -f Makefile; then no_x= # GNU make sometimes prints "make[1]: Entering...", which would confuse us. eval `make acfindx 2>/dev/null | grep -v make` # Open Windows xmkmf reportedly sets LIBDIR instead of USRLIBDIR. for ac_extension in a so sl; do if test ! -f $ac_im_usrlibdir/libX11.$ac_extension && test -f $ac_im_libdir/libX11.$ac_extension; then ac_im_usrlibdir=$ac_im_libdir; break fi done # Screen out bogus values from the imake configuration. case "$ac_im_incroot" in /usr/include) ;; *) test -f "$ac_im_incroot/X11/Xos.h" && ac_x_includes="$ac_im_incroot" ;; esac case "$ac_im_usrlibdir" in /usr/lib | /lib) ;; *) test -d "$ac_im_usrlibdir" && ac_x_libraries="$ac_im_usrlibdir" ;; esac fi cd .. rm -fr conftestdir fi if test "$no_x" = yes; then test -z "$x_direct_test_library" && x_direct_test_library=Xt test -z "$x_direct_test_function" && x_direct_test_function=XtMalloc test -z "$x_direct_test_include" && x_direct_test_include=X11/Intrinsic.h cat > conftest.$ac_ext < EOF eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then rm -rf conftest* no_x= ac_x_includes= else echo "$ac_err" >&5 rm -rf conftest* for ac_dir in \ /usr/X11R6/include \ /usr/X11R5/include \ /usr/X11R4/include \ \ /usr/include/X11R6 \ /usr/include/X11R5 \ /usr/include/X11R4 \ \ /usr/local/X11R6/include \ /usr/local/X11R5/include \ /usr/local/X11R4/include \ \ /usr/local/include/X11R6 \ /usr/local/include/X11R5 \ /usr/local/include/X11R4 \ \ /usr/X11/include \ /usr/include/X11 \ /usr/local/X11/include \ /usr/local/include/X11 \ \ /usr/X386/include \ /usr/x386/include \ /usr/XFree86/include/X11 \ \ /usr/include \ /usr/local/include \ /usr/unsupported/include \ /usr/athena/include \ /usr/local/x11r5/include \ /usr/lpp/Xamples/include \ \ /usr/openwin/include \ /usr/openwin/share/include \ ; \ do if test -r "$ac_dir/$x_direct_test_include"; then no_x= ac_x_includes=$ac_dir break fi done fi rm -f conftest* # Check for the libraries. # See if we find them without any special options. # Don't add to $LIBS permanently. ac_save_LIBS="$LIBS" LIBS="-l$x_direct_test_library $LIBS" cat > conftest.$ac_ext <&6 else test "x$x_includes" = xNONE && x_includes=$ac_x_includes test "x$x_libraries" = xNONE && x_libraries=$ac_x_libraries ac_cv_path_x="no_x= ac_x_includes=$x_includes ac_x_libraries=$x_libraries" echo "$ac_t""libraries $x_libraries, headers $x_includes" 1>&6 fi if test "$no_x" = yes; then # Not all programs may use this symbol, but it does not hurt to define it. X_CFLAGS="$X_CFLAGS -DX_DISPLAY_MISSING" else if test -n "$x_includes"; then X_CFLAGS="$X_CFLAGS -I$x_includes" fi # It would be nice to have a more robust check for the -R ld option than # just checking for Solaris. # It would also be nice to do this for all -L options, not just this one. if test -n "$x_libraries"; then X_LIBS="$X_LIBS -L$x_libraries" if test "`(uname) 2>/dev/null`" = SunOS && uname -r | grep '^5' >/dev/null; then X_LIBS="$X_LIBS -R$x_libraries" fi fi # Check for libraries that X11R6 Xt/Xaw programs need. ac_save_LDFLAGS="$LDFLAGS" LDFLAGS="$LDFLAGS -L$x_libraries" # SM needs ICE to (dynamically) link under SunOS 4.x (so we have to # check for ICE first), but we must link in the order -lSM -lICE or # we get undefined symbols. So assume we have SM if we have ICE. # These have to be linked with before -lX11, unlike the other # libraries we check for below, so use a different variable. # --interran@uluru.Stanford.EDU, kb@cs.umb.edu. echo $ac_n "checking for -lICE""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_lib_ICE'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else ac_save_LIBS="$LIBS" LIBS="-lICE $LIBS" cat > conftest.$ac_ext <&6 X_PRE_LIBS="$X_PRE_LIBS -lSM -lICE" else echo "$ac_t""no" 1>&6 fi LDFLAGS="$ac_save_LDFLAGS" # Check for system-dependent libraries X programs must link with. if test "$ISC" = yes; then X_EXTRA_LIBS="$X_EXTRA_LIBS -lnsl_s -linet" else # Martyn.Johnson@cl.cam.ac.uk says this is needed for Ultrix, if the X # libraries were built with DECnet support. And karl@cs.umb.edu says # the Alpha needs dnet_stub (dnet does not exist). echo $ac_n "checking for -ldnet""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_lib_dnet'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else ac_save_LIBS="$LIBS" LIBS="-ldnet $LIBS" cat > conftest.$ac_ext <&6 X_EXTRA_LIBS="$X_EXTRA_LIBS -ldnet" else echo "$ac_t""no" 1>&6 fi if test $ac_cv_lib_dnet = no; then echo $ac_n "checking for -ldnet_stub""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_lib_dnet_stub'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else ac_save_LIBS="$LIBS" LIBS="-ldnet_stub $LIBS" cat > conftest.$ac_ext <&6 X_EXTRA_LIBS="$X_EXTRA_LIBS -ldnet_stub" else echo "$ac_t""no" 1>&6 fi fi # msh@cis.ufl.edu says -lnsl (and -lsocket) are needed for his 386/AT, # to get the SysV transport functions. # Not sure which flavor of 386 UNIX this is, but it seems harmless to # check for it. echo $ac_n "checking for -lnsl""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_lib_nsl'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else ac_save_LIBS="$LIBS" LIBS="-lnsl $LIBS" cat > conftest.$ac_ext <&6 X_EXTRA_LIBS="$X_EXTRA_LIBS -lnsl" else echo "$ac_t""no" 1>&6 fi # lieder@skyler.mavd.honeywell.com says without -lsocket, # socket/setsockopt and other routines are undefined under SCO ODT 2.0. # But -lsocket is broken on IRIX, according to simon@lia.di.epfl.ch. if test "`(uname) 2>/dev/null`" != IRIX; then echo $ac_n "checking for -lsocket""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_lib_socket'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else ac_save_LIBS="$LIBS" LIBS="-lsocket $LIBS" cat > conftest.$ac_ext <&6 X_EXTRA_LIBS="$X_EXTRA_LIBS -lsocket" else echo "$ac_t""no" 1>&6 fi fi fi fi # If we cannot run a trivial program, we must be cross compiling. echo $ac_n "checking whether cross-compiling""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_c_cross'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else if test "$cross_compiling" = yes; then ac_cv_c_cross=yes else cat > conftest.$ac_ext </dev/null; then ac_cv_c_cross=no else ac_cv_c_cross=yes fi fi rm -fr conftest* fi cross_compiling=$ac_cv_c_cross echo "$ac_t""$ac_cv_c_cross" 1>&6 echo $ac_n "checking for ANSI C header files""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_header_stdc'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext < #include #include #include EOF eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then rm -rf conftest* ac_cv_header_stdc=yes else echo "$ac_err" >&5 rm -rf conftest* ac_cv_header_stdc=no fi rm -f conftest* if test $ac_cv_header_stdc = yes; then # SunOS 4.x string.h does not declare mem*, contrary to ANSI. cat > conftest.$ac_ext < EOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | egrep "memchr" >/dev/null 2>&1; then : else rm -rf conftest* ac_cv_header_stdc=no fi rm -f conftest* fi if test $ac_cv_header_stdc = yes; then # ISC 2.0.2 stdlib.h does not declare free, contrary to ANSI. cat > conftest.$ac_ext < EOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | egrep "free" >/dev/null 2>&1; then : else rm -rf conftest* ac_cv_header_stdc=no fi rm -f conftest* fi if test $ac_cv_header_stdc = yes; then # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. if test "$cross_compiling" = yes; then ac_cv_header_stdc=no else cat > conftest.$ac_ext < #define ISLOWER(c) ('a' <= (c) && (c) <= 'z') #define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) #define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) int main () { int i; for (i = 0; i < 256; i++) if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2); exit (0); } EOF eval $ac_link if test -s conftest && (./conftest; exit) 2>/dev/null; then : else ac_cv_header_stdc=no fi fi rm -fr conftest* fi fi echo "$ac_t""$ac_cv_header_stdc" 1>&6 if test $ac_cv_header_stdc = yes; then cat >> confdefs.h <<\EOF #define STDC_HEADERS 1 EOF fi ac_header_dirent=no for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h do ac_safe=`echo "$ac_hdr" | tr './\055' '___'` echo $ac_n "checking for $ac_hdr that defines DIR""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_header_dirent_$ac_safe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext < #include <$ac_hdr> int main() { return 0; } int t() { DIR *dirp = 0; ; return 0; } EOF if eval $ac_compile; then rm -rf conftest* eval "ac_cv_header_dirent_$ac_safe=yes" else rm -rf conftest* eval "ac_cv_header_dirent_$ac_safe=no" fi rm -f conftest* fi if eval "test \"`echo '$ac_cv_header_dirent_'$ac_safe`\" = yes"; then echo "$ac_t""yes" 1>&6 ac_tr_hdr=HAVE_`echo $ac_hdr | tr '[a-z]./\055' '[A-Z]___'` cat >> confdefs.h <&6 fi done # Two versions of opendir et al. are in -ldir and -lx on SCO Xenix. if test $ac_header_dirent = dirent.h; then echo $ac_n "checking for -ldir""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_lib_dir'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else ac_save_LIBS="$LIBS" LIBS="-ldir $LIBS" cat > conftest.$ac_ext <&6 LIBS="$LIBS -ldir" else echo "$ac_t""no" 1>&6 fi else echo $ac_n "checking for -lx""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_lib_x'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else ac_save_LIBS="$LIBS" LIBS="-lx $LIBS" cat > conftest.$ac_ext <&6 LIBS="$LIBS -lx" else echo "$ac_t""no" 1>&6 fi fi # Extract the first word of "ranlib", so it can be a program name with args. set dummy ranlib; ac_word=$2 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else if test -n "$RANLIB"; then ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test. else IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" for ac_dir in $PATH; do test -z "$ac_dir" && ac_dir=. if test -f $ac_dir/$ac_word; then ac_cv_prog_RANLIB="ranlib" break fi done IFS="$ac_save_ifs" test -z "$ac_cv_prog_RANLIB" && ac_cv_prog_RANLIB=":" fi fi RANLIB="$ac_cv_prog_RANLIB" if test -n "$RANLIB"; then echo "$ac_t""$RANLIB" 1>&6 else echo "$ac_t""no" 1>&6 fi ac_aux_dir= for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do if test -f $ac_dir/install-sh; then ac_aux_dir=$ac_dir ac_install_sh="$ac_aux_dir/install-sh -c" break elif test -f $ac_dir/install.sh; then ac_aux_dir=$ac_dir ac_install_sh="$ac_aux_dir/install.sh -c" break fi done if test -z "$ac_aux_dir"; then { echo "configure: error: can not find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." 1>&2; exit 1; } fi ac_config_guess=$ac_aux_dir/config.guess ac_config_sub=$ac_aux_dir/config.sub ac_configure=$ac_aux_dir/configure # This should be Cygnus configure. # Find a good install program. We prefer a C program (faster), # so one script is as good as another. But avoid the broken or # incompatible versions: # SysV /etc/install, /usr/sbin/install # SunOS /usr/etc/install # IRIX /sbin/install # AIX /bin/install # AFS /usr/afsws/bin/install, which mishandles nonexistent args # SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" # ./install, which can be erroneously created by make from ./install.sh. echo $ac_n "checking for a BSD compatible install""... $ac_c" 1>&6 if test -z "$INSTALL"; then if eval "test \"`echo '$''{'ac_cv_path_install'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:" for ac_dir in $PATH; do # Account for people who put trailing slashes in PATH elements. case "$ac_dir/" in /|./|.//|/etc/*|/usr/sbin/*|/usr/etc/*|/sbin/*|/usr/afsws/bin/*|/usr/ucb/*) ;; *) # OSF1 and SCO ODT 3.0 have their own names for install. for ac_prog in ginstall installbsd scoinst install; do if test -f $ac_dir/$ac_prog; then if test $ac_prog = install && grep dspmsg $ac_dir/$ac_prog >/dev/null 2>&1; then # AIX install. 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Specify the desired color as the filename. .TP 6 .B XBM X11 bitmap file. .TP 6 .B XPM X11 pixmap file. .TP 6 .B XWD X Window System window dump image file. .TP 6 .B YUV CCIR 601 4:1:1 file. .TP 6 .B YUV3 CCIR-601 4:1:1 files. .PP Raw images are expected to have one byte per pixel unless \fBImageMagick\fP is compiled in 16-bit mode. Here, the raw data is expected to be stored two bytes per pixel in most-significant-byte-first order. .PP Options are processed in command line order. Any option you specify on the command line remains in effect until it is explicitly changed by specifying the option again with a different effect. .PP Change '-' to '+' in any option above to reverse its effect. For example, specify +matte to store the image without its matte channel. .PP By default, the image format is determined by its magic number. To specify a particular image format, precede the filename with an image format name and a colon (i.e. ps:image) or specify the image type as the filename suffix (i.e. image.ps). See \fBDESCRIPTION\fP for a list of valid formats. .PP When you specify \fBX\fP as your image type, the filename has special meaning. It specifies an X window by id, name, or \fBroot\fP. If no filename is specified, the window is selected by clicking the mouse in the desired window. .PP Specify \fIinput_file\fP as \fI-\fP for standard input, \fIoutput_file\fP as \fI-\fP for standard output. If \fIinput_file\fP has the extension \fB.Z\fP or \fB.gz\fP, the file is uncompressed with \fBuncompress\fP or \fBgunzip\fP respectively. If \fIoutput_file\fP has the extension \fB.Z\fP or \fB.gz\fP, the file size is compressed using with \fBcompress\fP or \fBgzip\fP respectively. Finally, precede the image file name with \fI|\fP to pipe to or from a system command. .PP Use an optional index enclosed in brackets after a file name to specify a desired subimage of a multi-resolution image format like Photo CD (e.g. img0001.pcd[4]) or a range for MPEG images (e.g. video.mpg[50-75]). .PP Single images are written with the filename you specify. However, multi-part images (i.e. a multi-page Postscript document) are written with the filename followed by a period (\fB.\fP) and the scene number. You can change this behavior by embedding a \fBprintf\fP format specification in the file name. For example, .nf image%02d.miff .fi converts files image00.miff, image01.miff, etc. .PP .SH EXAMPLES .PP To convert a \fIMIFF\fP image of a cockatoo to a SUN raster image, use: .PP .B convert cockatoo.miff sun:cockatoo.ras .PP To convert a multi-page \fIPostscript\fP document to individual FAX pages, use: .PP .B convert -monochrome document.ps fax:page .PP To convert a TIFF image to a \fIPostscript\fP A4 page with the image in the lower left-hand corner, use: .PP .B convert -page A4+0+0 image.tiff document.ps .PP To convert a raw \fBGRAY\fP image with a 128 byte header to a portable graymap, use: .PP .B convert -size 768x512+128 gray:raw image.pgm .PP To convert a Photo CD image to a TIFF image, use: .PP .B convert -size 1536x1024 img0009.pcd image.tiff convert img0009.pcd[4] image.tiff .PP To create a visual image directory of all your JPEG images, use: .PP .B convert 'vid:*.jpg' directory.miff .PP To annotate an image with blue text using font 12x24 at position (100,100), use: .PP .B convert -font 12x24 -pen blue -geometry +100+100 -annotate "Cockatoo" bird.jpg bird.miff .PP To tile a 640x480 image with a JPEG texture with bumps use: .PP .B convert -size 640x480 tile:bumps.jpg tiled.png .PP To surround an icon with an ornamental border to use with \fBMosaic(1)\fP, use: .PP .B convert -mattecolor #ccc -frame 6x6 bird.jpg icon.png .SH OPTIONS .TP 5 .B "-annotate \fIstring\fP" annotate an image with text. Use this option to annotate an image with text. Optionally you can include the image filename, type, width, height, or scene number by embedding special format characters. Embed \fB%f\fP for filename, \fB%m\fP for magick, \fB%w\fP for width, \fB%h\fP for height, \fB%s\fP for scene number, or \fB\\n\fP for newline. For example, .nf -annotate "%m:%f %wx%h" .fi annotates the image with \fBMIFF:bird.miff 512x480\fP for an image titled \fBbird.miff\fP and whose width is 512 and height is 480. If the first character of \fIstring\fP is \fB@\fP, the text is read from a file titled by the remaining characters in the string. You can set the text position, font, and font color with \fB-geometry\fP, \fB-font\fP, and \fB-pen\fP respectively. Options are processed in command line order so be sure to use \fB-geometry\fP, \fB-font\fP, or \fB-pen\fP \fIbefore\fP the \fB-annotate\fP option. .TP 5 .B "-blur \fIfactor\fP" blurs an image. Specify \fIfactor\fP as the percent enhancement (0.0 - 99.9%). .TP 5 .B "-border \fIx\fP" surround the image with a border or color. See \fBX(1)\fP for details about the geometry specification. The color of the border is specified with the \fB-bordercolor\fP command line option. .TP 5 .B "-colors \fIvalue\fP" preferred number of colors in the image. The actual number of colors in the image may be less than your request, but never more. Note, this is a color reduction option. Images with less unique colors than specified with this option will remain unchanged. Refer to \fBquantize(9)\fP for more details. Note, options \fB-dither\fP, \fB-colorspace\fP, and \fB-treedepth\fP affect the color reduction algorithm. .TP 5 .B "-colorspace \fIvalue\fP" the type of colorspace: \fBGRAY\fP, \fBOHTA\fP, \fBRGB\fP, \fBXYZ\fP, \fBYCbCr\fP, \fBYIQ\fP, \fBYPbPr\fP, or \fBYUV\fP. Color reduction, by default, takes place in the RGB color space. Empirical evidence suggests that distances in color spaces such as YUV or YIQ correspond to perceptual color differences more closely than do distances in RGB space. These color spaces may give better results when color reducing an image. Refer to \fBquantize(9)\fP for more details. The \fB-colors\fP or \fB-monochrome\fP option is required for this option to take effect. .TP 5 .B "-comment \fIstring\fP" annotate an image with a comment. By default, each image is commented with its file name. Use this option to assign a specific comment to the image. Optionally you can include the image filename, type, width, height, or scene number by embedding special format characters. Embed \fB%f\fP for filename, \fB%m\fP for magick, \fB%w\fP for width, \fB%h\fP for height, \fB%s\fP for scene number, or \fB\\n\fP for newline. For example, .nf -comment "%m:%f %wx%h" .fi produces an image comment of \fBMIFF:bird.miff 512x480\fP for an image titled \fBbird.miff\fP and whose width is 512 and height is 480. If the first character of \fIstring\fP is \fB@\fP, the image comment is read from a file titled by the remaining characters in the string. .TP 5 .B "-compress \fItype\fP" the type of image compression: \fIQEncoded\fP or \fIRunlengthEncoded\fP. Specify \fB\+compress\fP to store the binary image in an uncompressed format. The default is the compression type of the specified image file. .TP 5 .B "-contrast" enhance or reduce the image contrast. This option enhances the intensity differences between the lighter and darker elements of the image. Use \fB-contrast\fP to enhance the image or \fB+contrast\fP to reduce the image contrast. .TP 5 .B "-crop \fI{%}x{%}{\+-}{\+-}\fP" preferred size and location of the cropped image. See \fBX(1)\fP for details about the geometry specification. To specify a percentage width or height instead, append \fB%\fP. For example to crop the image by ten percent on all sides of the image, use \fB-crop 10%\fP. Use cropping to crop a particular area of an image. Use \fB-crop 0x0\fP to remove edges that are the background color. .TP 5 .B "-density \fIx\fP vertical and horizontal resolution in pixels of the image. This option specifies an image density when decoding a Postscript or Portable Document page. The default is 72 pixels per inch in the horizontal and vertical direction. .TP 5 .B "-despeckle" reduce the speckles within an image. .TP 5 .B "-display \fIhost:display[.screen]\fP" specifies the X server to contact; see \fBX(1)\fP. .TP 5 .B "-dither" apply Floyd/Steinberg error diffusion to the image. The basic strategy of dithering is to trade intensity resolution for spatial resolution by averaging the intensities of several neighboring pixels. Images which suffer from severe contouring when reducing colors can be improved with this option. The \fB-colors\fP option is required for dithering to take effect. .TP 5 .B "-edge" detect edges with an image. .TP 5 .B "-emboss" emboss the image. .TP 5 .B "-enhance" apply a digital filter to enhance a noisy image. .TP 5 .B "-equalize" perform histogram equalization to the image. .TP 5 .B "-flip" create a "mirror image" by reflecting the image scanlines in the vertical direction. .TP 5 .B "-flop" create a "mirror image" by reflecting the image scanlines in the horizontal direction. .TP 5 .B "-font \fIname\fP" use this font when annotating the image with text. \fBConvert\fP contacts an X server to obtain the font. If an X server is not available, a Postscript font is used. You can set the pointsize with \fB-pointsize\fP. .TP 5 .B "-frame \fIx++\fP" surround the image with an an ornamental border. See \fBX(1)\fP for details about the geometry specification. The color of the border is specified with the \fB-mattecolor\fP command line option. .TP 5 .B "-gamma \fIvalue\fP" level of gamma correction. The same color image displayed on two different workstations may look different due to differences in the display monitor. Use gamma correction to adjust for this color difference. Reasonable values extend from 0.8 to 2.3. You can apply separate gamma values to the red, green, and blue channels of the image with a gamma value list delineated with commas (i.e. 1.7,2.3,1.2). .TP 5 .B "-geometry \fI{%}x{%}{!}{<}{>}" preferred size or location of the image when encoding. By default, the width and height are maximum values. That is, the image is expanded or contracted to fit the width and height value while maintaining the aspect ratio of the image. Append an exclamation point to the geometry to force the image size to exactly the size you specify. For example, if you specify \fB640x480!\fP the image width is set to 640 pixels and height to 480. If only one factor is specified, both the width and height assume the value. To specify a percentage width or height instead, append \fB%\fP. The image size is multiplied by the width and height percentages to obtain the final image dimensions. To increase the size of an image, use a value greater than 100 (e.g. 125%). To decrease an image's size, use a percentage less than 100. Use \fB<\fP to change the dimensions of the image \fIonly\fP if its size exceeds the geometry specification. \fB>\fP resizes the image \fIonly\fP if its dimensions is less than the geometry specification. For example, if you specify \fB640x480>\fP and the image size is 512x512, the image size does not change. However, if the image is 1024x1024, it is resized to 640x480. There are 72 pixels per inch in Postscript coordinates. .TP 5 .B "-interlace \fItype\fP" the type of interlacing scheme: \fBNONE\fP, \fBLINE\fP, or \fBPLANE\fP. This option is used to specify the type of interlacing scheme for raw image formats such as \fBRGB\fP or \fBYUV\fP. \fBNONE\fP means do not interlace (RGBRGBRGBRGBRGBRGB...), \fBLINE\fP uses scanline interlacing (RRR...GGG...BBB...RRR...GGG...BBB...), and \fBPLANE\fP uses plane interlacing (RRRRRR...GGGGGG...BBBBBB...). Use \fBLINE\fP, or \fBPLANE\fP to create an interlaced GIF image. .B "-label \fIname\fP" assign a label to an image. Use this option to assign a specific label to the image. Optionally you can include the image filename, type, width, height, or scene number in the label by embedding special format characters. Embed \fB%f\fP for filename, \fB%m\fP for magick, \fB%w\fP for width, \fB%h\fP for height, or \fB%s\fP for scene number, or \fB\\n\fP for newline. For example, .nf -label "%m:%f %wx%h" .fi produces an image label of \fBMIFF:bird.miff 512x480\fP for an image titled \fBbird.miff\fP and whose width is 512 and height is 480. If the first character of \fIstring\fP is \fB@\fP, the image label is read from a file titled by the remaining characters in the string. When converting to Postscript, use this option to specify a header string to print above the image. .TP 5 .B "-map \fIfilename\fP" choose a particular set of colors from this image. By default, color reduction chooses an optimal set of colors that best represent the original image. Alternatively, you can choose a particular set of colors with this option. .TP 5 .B "-matte" store matte channel if the image has one. .TP 5 .B "-modulate \fIvalue\fP" vary the brightness, saturation, and hue of an image. Specify the percent change in brightness, the color saturation, and the color hue separated by commas. For example, to increase the color brightness by 20% and decrease the color saturation by 10% and leave the hue unchanged, use: \fB-modulate 20,-10\fP. .TP 5 .B "-monochrome" transform the image to black and white. .TP 5 .B "-negate" apply color inversion to image. The red, green, and blue intensities of an image are negated. .TP 5 .B "-noise" reduce the noise in an image with a noise peak elimination filter. The principal function of noise peak elimination filter is to smooth the objects within an image without losing edge information and without creating undesired structures. The central idea of the algorithm is to replace a pixel with its next neighbor in value within a 3 x 3 window, if this pixel has been found to be noise. A pixel is defined as noise if and only if this pixel is a maximum or minimum within the 3 x 3 window. .TP 5 .B "-normalize" transform image to span the full range of color values. This is a contrast enhancement technique. .TP 5 .B "-opaque \fIcolor\fP" change this color to the pen color within the image. See \fB-pen\fP for more details. .TP 5 .B "-page \fIx{\+-}{\+-}\fP" preferred size and location of the Postscript page. Use this option to specify the dimensions of the Postscript page in pixels per inch or a TEXT page in pixels. The default for a Postscript page is to center the image on a letter page 612 by 792 pixels. The margins are 1/2" (i.e. 612x792+36+36). Other common sizes are: Letter 612x 792 Tabloid 792x1224 Ledger 1224x 792 Legal 612x1008 Statement 396x 612 Executive 540x 720 A3 842x1190 A4 595x 842 A5 420x 595 B4 729x1032 B5 516x 729 Folio 612x 936 Quarto 610x 780 10x14 720x1008 For convenience you can specify the page size by media (e.g. A4, Ledger, etc.). The page geometry is relative to the vertical and horizontal density of the Postscript page. See \fB-density\fP for details. To place a Postscript image with a given size on a given location on a page, use -page +HOFFSET+VOFFSET -geometry WIDTHxHEIGHT (fill in numbers). Note: this is only for generating ps, not eps. The default page dimensions for a TEXT image is 612x792. .TP 5 .B "-paint" paint the image. .TP 5 .B "-pen \fIcolor\fP" set the color of the font or opaque color. See \fB-annotate\fP or \fB-opaque\fP for further details. See \fBX(1)\fP for details about the color specification. .TP 5 .B "-pointsize \fIvalue\fP" pointsize of the Postscript font. .TP 5 .B "-quality \fIvalue\fP" JPEG quality setting. Quality is 0 (worst) to 100 (best). The default is 75. .TP 5 .B "-raise \fI\fP" lighten or darken image edges to create a 3-D effect. \fIBevel width\fP is the width of an edge. Use \fB-raise\fP to create a raised effect, otherwise use \fB+raise\fP. .TP 5 .B "-roll \fI{\+-}{\+-}\fP" roll an image vertically or horizontally. See \fBX(1)\fP for details about the geometry specification. A negative \fIx offset\fP rolls the image left-to-right. A negative \fIy offset\fP rolls the image top-to-bottom. .TP 5 .B "-rotate \fIdegrees\fP" apply Paeth image rotation to the image. Empty triangles left over from rotating the image are filled with the color defined as \fBbordercolor\fP (class \fBborderColor\fP). See \fBX(1)\fP for details. .TP 5 .B "-sample \fIgeometry\fP" scale image with pixel sampling. .TP 5 .B "-scene \fIvalue\fP" image scene number. .TP 5 .B "-sharpen \fIweight\fP" sharpen an image. Specify \fIfactor\fP as the percent enhancement (0.0 - 99.9%). .TP 5 .B "-shear \fIx\fP" shear the image along the X or Y axis by a positive or negative shear angle. Shearing slides one edge of an image along the X or Y axis, creating a parallelogram. An X direction shear slides an edge along the X axis, while a Y direction shear slides an edge along the Y axis. The amount of the shear is controlled by a shear angle. For X direction shears, \fIx degrees\fP is measured relative to the Y axis, and similarly, for Y direction shears \fIy degrees\fP is measured relative to the X axis. Empty triangles left over from shearing the image are filled with the color defined as \fBbordercolor\fP (class \fBborderColor\fP). See \fBX(1)\fP for details. .TP 5 .B "-size \fI{%}x{%}+\fP" width and height of the image. Use this option to specify the width and height of raw images whose dimensions are unknown such as \fBGRAY\fP, \fBRGB\fP, or \fBCMYK\fP. In addition to width and height, use \fB-size\fP to skip any header information in the image or tell the number of colors in a \fBMAP\fP image file, (e.g. -size 640x512+256). For Photo CD images, choose from these sizes: 192x128 384x256 768x512 1536x1024 3072x2048 Finally, use this option to choose a particular resolution layer of a JBIG image (e.g. -size 1024x768). .TP 5 .B "-transparency \fIcolor\fP" make this color transparent within the image. .TP 5 .B "-treedepth \fIvalue\fP" Normally, this integer value is zero or one. A zero or one tells \fBconvert\fP to choose a optimal tree depth for the color reduction algorithm. An optimal depth generally allows the best representation of the source image with the fastest computational speed and the least amount of memory. However, the default depth is inappropriate for some images. To assure the best representation, try values between 2 and 8 for this parameter. Refer to \fBquantize(9)\fP for more details. The \fB-colors\fP option is required for this option to take effect. .TP 5 .B "-undercolor \fIx\fP" control undercolor removal and black generation on CMYK images. This option enables you to perform undercolor removal and black generation on CMYK images-- images to be printed on a four-color printing system. You can control how much cyan, magenta, and yellow to remove from your image and how much black to add to it. The standard undercolor removal is \fB1.0x1.0\fP. You'll frequently get better results, though, if the percentage of black you add to your image is slightly higher than the percentage of C, M, and Y you remove from it. For example you might try \fB0.5x0.7\fP. .TP 5 .B -verbose print detailed information about the image. This information is printed: image scene number; image name; converted image name; image size; the image class (\fIDirectClass\fP or \fIPseudoClass\fP); the total number of unique colors; and the number of seconds to read and convert the image. .SH ENVIRONMENT .PP .TP 5 .B DISPLAY To get the default host, display number, and screen. .SH SEE ALSO .B display(1), animate(1), import(1), montage(1), mogrify(1), segment(1), combine(1), xtp(1) .SH COPYRIGHT Copyright 1995 E. I. du Pont de Nemours and Company .PP Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. du Pont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. du Pont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty. .PP E. I. du Pont de Nemours and Company disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness, in no event shall E. I. du Pont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortuous action, arising out of or in connection with the use or performance of this software. .SH AUTHORS John Cristy, E.I. du Pont De Nemours and Company Incorporated s the image \fIonly\fP if its dimensions is less than the geometry specification. For example, if you specify \fB640x480>\fP and the image size is 512x512, the image size does not change. However, if the image is 1024x1024, it is resized to 640x480. There are 72 pixels per inch in Postscript coordinates. .TP 5 .B "-interlace \fI./ImageMagick/import.man010064400000240000024000000325770601517471300163200ustar00cristycristy00002330000007.ad l .nh .TH import 1 "1 May 1994" "ImageMagick" .SH NAME import - capture some or all of an X server screen and save the image to a file. .SH SYNOPSIS .B "import" [ \fIoptions\fP ... ] \fIfile\fP .SH DESCRIPTION \fBimport\fP reads an image from any visible window on an X server and outputs it as an image file. You can capture a single window, the entire screen, or any rectangular portion of the screen. Use \fBdisplay\fP (see \fBdisplay(1)\fP) for redisplay, printing, editing, formatting, archiving, image processing, etc. of the captured image. .PP The target window can be specified by id, name, or may be selected by clicking the mouse in the desired window. If you press a button and then drag, a rectangle will form which expands and contracts as the mouse moves. To save the portion of the screen defined by the rectangle, just release the button. The keyboard bell is rung once at the beginning of the screen capture and twice when it completes. .PP .SH EXAMPLES .PP To select an X window with the mouse and save it in the MIFF image format to a file titled window.miff, use: .PP .B import window.miff .PP To select an X window and save it in the Encapsulated Postscript format to include in another document, use: .PP .B import figure.eps .PP To capture the entire X server screen in the JPEG image format in a file titled root.jpeg, use: .PP .B import -window root root.jpeg .SH OPTIONS \fBimport\fP options can appear on the command line or in your X resources file (see \fBX(1)\fP). Options on the command line supersede values specified in your X resources file. .TP 5 .B "-border" include image borders in the output image. .B "-colors \fIvalue\fP" preferred number of colors in the image. The actual number of colors in the image may be less than your request, but never more. Note, this is a color reduction option. Images with less unique colors than specified with this option will remain unchanged. Refer to \fBquantize(9)\fP for more details. Note, options \fB-dither\fP, \fB-colorspace\fP, and \fB-treedepth\fP affect the color reduction algorithm. .TP 5 .B "-colorspace \fIvalue\fP" the type of colorspace: \fBGRAY\fP, \fBOHTA\fP, \fBRGB\fP, \fBXYZ\fP, \fBYCbCr\fP, \fBYIQ\fP, \fBYPbPr\fP, or \fBYUV\fP. Color reduction, by default, takes place in the RGB color space. Empirical evidence suggests that distances in color spaces such as YUV or YIQ correspond to perceptual color differences more closely than do distances in RGB space. These color spaces may give better results when color reducing an image. Refer to \fBquantize(9)\fP for more details. The \fB-colors\fP or \fB-monochrome\fP option is required for this option to take effect. .TP 5 .B "-comment \fIstring\fP" annotate an image with a comment. By default, each image is commented with its file name. Use this option to assign a specific comment to the image. Optionally you can include the image filename, type, width, height, or scene number by embedding special format characters. Embed \fB%f\fP for filename, \fB%m\fP for magick, \fB%w\fP for width, \fB%h\fP for height, \fB%s\fP for scene number, or \fB\\n\fP for newline. For example, .nf -comment "%m:%f %wx%h" .fi produces an image comment of \fBMIFF:bird.miff 512x480\fP for an image titled \fBbird.miff\fP and whose width is 512 and height is 480. If the first character of \fIstring\fP is \fB@\fP, the image comment is read from a file titled by the remaining characters in the string. .TP 5 .B "-compress \fItype\fP" the type of image compression: \fIQEncoded\fP or \fIRunlengthEncoded\fP. See \fBmiff(5)\fP for details. Specify \fB\+compress\fP to store the binary image in an uncompressed format. The default is the compression type of the specified image file. .TP 5 .B "-crop \fI{%}x{%}{\+-}{\+-}\fP" preferred size and location of the cropped image. See \fBX(1)\fP for details about the geometry specification. To specify a percentage width or height instead, append \fB%\fP. For example to crop the image by ten percent on all sides of the image, use \fB-crop 10%\fP. Use cropping to crop a particular area of an image. Use \fB-crop 0x0\fP to remove edges that are the background color. .TP 5 .B "-delay \fIseconds\fP" pause before selecting target window. This option is useful when you need time to ready the target window before it is captured to a file. .TP 5 .B "-density \fIx\fP vertical and horizontal resolution in pixels of the image. This option specifies an image density when decoding a Postscript or Portable Document page. The default is 72 pixels per inch in the horizontal and vertical direction. .TP 5 .B "-descend" obtain image by descending window hierarchy. This option reads each subwindow and its colormap of the chosen window. The final image is guaranteed to have the correct colors but obtaining the image is significantly slower. .TP 5 .B "-display \fIhost:display[.screen]\fP" specifies the X server to contact; see \fBX(1)\fP. .TP 5 .B "-dither" apply Floyd/Steinberg error diffusion to the image. The basic strategy of dithering is to trade intensity resolution for spatial resolution by averaging the intensities of several neighboring pixels. Images which suffer from severe contouring when reducing colors can be improved with this option. The \fB-colors\fP option is required for dithering to take effect. .TP 5 .B "-frame" include window manager frame. .TP 5 .B "-geometry \fI{%}x{%}{!}{<}{>}"\fP the width and height of the image. By default, the width and height are maximum values. That is, the image is expanded or contracted to fit the width and height value while maintaining the aspect ratio of the image. Append an exclamation point to the geometry to force the image size to exactly the size you specify. For example, if you specify \fB640x480!\fP the image width is set to 640 pixels and height to 480. If only one factor is specified, both the width and height assume the value. To specify a percentage width or height instead, append \fB%\fP. The image size is multiplied by the width and height percentages to obtain the final image dimensions. To increase the size of an image, use a value greater than 100 (e.g. 125%). To decrease an image's size, use a percentage less than 100. Use \fB<\fP to change the dimensions of the image \fIonly\fP if its size exceeds the geometry specification. \fB>\fP resizes the image \fIonly\fP if its dimensions is less than the geometry specification. For example, if you specify \fB640x480>\fP and the image size is 512x512, the image size does not change. However, if the image is 1024x1024, it is resized to 640x480. .TP 5 .B "-interlace \fItype\fP" the type of interlacing scheme: \fBNONE\fP, \fBLINE\fP, or \fBPLANE\fP. This option is used to specify the type of interlacing scheme for raw image formats such as \fBRGB\fP or \fBYUV\fP. \fBNONE\fP means do not interlace (RGBRGBRGBRGBRGBRGB...), \fBLINE\fP uses scanline interlacing (RRR...GGG...BBB...RRR...GGG...BBB...), and \fBPLANE\fP uses plane interlacing (RRRRRR...GGGGGG...BBBBBB...). Use \fBLINE\fP, or \fBPLANE\fP to create an interlaced GIF image. .B "-label \fIname\fP" assign a label to an image. Use this option to assign a specific label to the image. Optionally you can include the image filename, type, width, height, or scene number in the label by embedding special format characters. Embed \fB%f\fP for filename, \fB%m\fP for magick, \fB%w\fP for width, \fB%h\fP for height, or \fB%s\fP for scene number, or \fB\\n\fP for newline. For example, .nf -label "%m:%f %wx%h" .fi produces an image label of \fBMIFF:bird.miff 512x480\fP for an image titled \fBbird.miff\fP and whose width is 512 and height is 480. If the first character of \fIstring\fP is \fB@\fP, the image label is read from a file titled by the remaining characters in the string. When converting to Postscript, use this option to specify a header string to print above the image. .TP 5 .B "-monochrome" transform image to black and white. .TP 5 .B "-negate" apply color inversion to image. The red, green, and blue intensities of an image are negated. .TP 5 .B "-page \fIx{\+-}{\+-}\fP" preferred size and location of the Postscript page. Use this option to specify the dimensions of the Postscript page in pixels per inch or a TEXT page in pixels. The default for a Postscript page is to center the image on a letter page 612 by 792 pixels. The margins are 1/2" (i.e. 612x792+36+36). Other common sizes are: Letter 612x 792 Tabloid 792x1224 Ledger 1224x 792 Legal 612x1008 Statement 396x 612 Executive 540x 720 A3 842x1190 A4 595x 842 A5 420x 595 B4 729x1032 B5 516x 729 Folio 612x 936 Quarto 610x 780 10x14 720x1008 For convenience you can specify the page size by media (e.g. A4, Ledger, etc.). The page geometry is relative to the vertical and horizontal density of the Postscript page. See \fB-density\fP for details. The default page dimensions for a TEXT image is 612x792. .TP 5 .B "-quality \fIvalue\fP" JPEG quality setting. Quality is 0 (worst) to 100 (best). The default is 75. .TP 5 .B "-rotate \fIdegrees\fP" apply Paeth image rotation to the image. Empty triangles left over from rotating the image are filled with the color defined as \fBbordercolor\fP (class \fBborderColor\fP). See \fBX(1)\fP for details. .TP 5 .B "-scene \fIvalue\fP" image scene number. .TP 5 .B "-screen" This option indicates that the GetImage request used to obtain the image should be done on the root window, rather than directly on the specified window. In this way, you can obtain pieces of other windows that overlap the specified window, and more importantly, you can capture menus or other popups that are independent windows but appear over the specified window. .TP 5 .B "-transparency \fIcolor\fP" make this color transparent within the image. .TP 5 .B "-treedepth \fIvalue\fP" Normally, this integer value is zero or one. A zero or one tells \fBconvert\fP to choose a optimal tree depth for the color reduction algorithm. An optimal depth generally allows the best representation of the source image with the fastest computational speed and the least amount of memory. However, the default depth is inappropriate for some images. To assure the best representation, try values between 2 and 8 for this parameter. Refer to \fBquantize(9)\fP for more details. The \fB-colors\fP option is required for this option to take effect. .TP 5 .B -verbose print detailed information about the image. This information is printed: image scene number; image name; image size; the image class (\fIDirectClass\fP or \fIPseudoClass\fP); the total number of unique colors; and the number of seconds to read and write the image. .TP 5 .B "-window \fIid\fP" select window with this id or name. With this option you can specify the target window by id or name rather than using the mouse. Specify 'root' to select X's root window as the target window. .PP Options are processed in command line order. Any option you specify on the command line remains in effect until it is explicitly changed by specifying the option again with a different effect. .PP Change \fI-\fP to \fI+\fP in any option above to reverse its effect. For example \fB+frame\fP means do include window manager frame. .PP \fIfile\fP specifies the image filename. By default, the image is written in the Postscript image format. To specify a particular image format, precede the filename with an image format name and a colon (i.e. ps:image) or specify the image type as the filename suffix (i.e. image.ps). See \fBconvert(1)\fP for a list of valid image formats. .PP Specify \fIfile\fP as \fI-\fP for standard output. If \fIfile\fP has the extension \fB.Z\fP or \fB.gz\fP, the file size is compressed using with \fBcompress\fP or \fBgzip\fP respectively. Precede the image file name \fI|\fP to pipe to a system command. If \fIfile\fP already exists, you will be prompted as to whether it should be overwritten. .SH ENVIRONMENT .PP .TP 5 .B display To get the default host, display number, and screen. .SH SEE ALSO .B display(1), animate(1), montage(1), mogrify(1), convert(1), segment(1), combine(1), xtp(1) .SH COPYRIGHT Copyright 1995 E. I. du Pont de Nemours and Company .PP Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. du Pont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. du Pont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty. .PP E. I. du Pont de Nemours and Company disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness, in no event shall E. I. du Pont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortuous action, arising out of or in connection with the use or performance of this software. .SH AUTHORS John Cristy, E.I. du Pont De Nemours and Company Incorporated ./ImageMagick/mogrify.man010064400000240000024000000506570602142630500164530ustar00cristycristy00002330000007.ad l .nh .TH mogrify 1 "1 May 1994" "ImageMagick" .SH NAME mogrify - transform an image or sequence of images .SH SYNOPSIS .B "mogrify" [ \fIoptions\fP ...] \fIfile\fP [ [ \fIoptions\fP ...] \fIfile\fP ...] .SH DESCRIPTION \fBmogrify\fP transforms an image or a sequence of images. These transforms include image scaling, image rotation, color reduction, and others. The transmogrified image overwrites the original image. .SH EXAMPLES To convert all the TIFF files in a particular directory to JPEG, use: .PP .B mogrify -format jpeg *.tiff .PP To scale an image of a cockatoo to exactly 640 pixels in width and 480 pixels in height, use: .PP .B mogrify -geometry 640x480! cockatoo.miff .PP To create a single colormap for a sequence of bird images, use: .PP .B mogrify -colors 256 scenes/birds.* .SH OPTIONS .TP 5 .B "-annotate \fIstring\fP" annotate an image with text. Use this option to annotate an image with text. Optionally you can include the image filename, type, width, height, or scene number by embedding special format characters. Embed \fB%f\fP for filename, \fB%m\fP for magick, \fB%w\fP for width, \fB%h\fP for height, \fB%s\fP for scene number, or \fB\\n\fP for newline. For example, .nf -annotate "%m:%f %wx%h" .fi annotates the image with \fBMIFF:bird.miff 512x480\fP for an image titled \fBbird.miff\fP and whose width is 512 and height is 480. If the first character of \fIstring\fP is \fB@\fP, the text is read from a file titled by the remaining characters in the string. You can set the text position, font, and font color with \fB-geometry\fP, \fB-font\fP, and \fB-pen\fP respectively. Options are processed in command line order so be sure to use \fB-geometry\fP, \fB-font\fP, or \fB-pen\fP \fIbefore\fP the \fB-annotate\fP option. .TP 5 .B "-blur \fIfactor\fP" blurs an image. Specify \fIfactor\fP as the percent enhancement (0.0 - 99.9%). .TP 5 .B "-border \fIx\fP" surround the image with a border or color. See \fBX(1)\fP for details about the geometry specification. The color of the border is obtained from the X server and is defined as \fBbordercolor\fP (class \fBborderColor\fP). See \fBX(1)\fP for details. .TP 5 .B "-colors \fIvalue\fP" preferred number of colors in the image. The actual number of colors in the image may be less than your request, but never more. Note, this is a color reduction option. Images with less unique colors than specified with this option will remain unchanged. Refer to \fBquantize(9)\fP for more details. If more than one image is specified on the command line, a single colormap is created and saved with each image. Note, options \fB-colormap\fP, \fB-dither\fP, \fB-colorspace\fP, and \fB-treedepth\fP affect the color reduction algorithm. .TP 5 .B "-colorspace \fIvalue\fP" the type of colorspace: \fBGRAY\fP, \fBOHTA\fP, \fBRGB\fP, \fBXYZ\fP, \fBYCbCr\fP, \fBYIQ\fP, \fBYPbPr\fP, or \fBYUV\fP. Color reduction, by default, takes place in the RGB color space. Empirical evidence suggests that distances in color spaces such as YUV or YIQ correspond to perceptual color differences more closely than do distances in RGB space. These color spaces may give better results when color reducing an image. Refer to \fBquantize(9)\fP for more details. The \fB-colors\fP or \fB-monochrome\fP option is required for this option to take effect. .TP 5 .B "-comment \fIstring\fP" annotate an image with a comment. By default, each image is commented with its file name. Use this option to assign a specific comment to the image. Optionally you can include the image filename, type, width, height, or scene number by embedding special format characters. Embed \fB%f\fP for filename, \fB%m\fP for magick, \fB%w\fP for width, \fB%h\fP for height, \fB%s\fP for scene number, or \fB\\n\fP for newline. For example, .nf -comment "%m:%f %wx%h" .fi produces an image comment of \fBMIFF:bird.miff 512x480\fP for an image titled \fBbird.miff\fP and whose width is 512 and height is 480. If the first character of \fIstring\fP is \fB@\fP, the image comment is read from a file titled by the remaining characters in the string. .TP 5 .B "-compress \fItype\fP" the type of image compression: \fIQEncoded\fP or \fIRunlengthEncoded\fP. Specify \fB\+compress\fP to store the binary image in an uncompressed format. The default is the compression type of the specified image file. .TP 5 .B "-contrast" enhance or reduce the image contrast. This option enhances the intensity differences between the lighter and darker elements of the image. Use \fB-contrast\fP to enhance the image or \fB+contrast\fP to reduce the image contrast. .TP 5 .B "-crop \fI{%}x{%}{\+-}{\+-}\fP" preferred size and location of the cropped image. See \fBX(1)\fP for details about the geometry specification. To specify a percentage width or height instead, append \fB%\fP. For example to crop the image by ten percent on all sides of the image, use \fB-crop 10%\fP. Use cropping to apply image processing options, or transmogrify, only a particular area of an image. Use \fB-crop 0x0\fP to remove edges that are the background color. .TP 5 .B "-density \fIx\fP vertical and horizontal resolution in pixels of the image. This option specifies an image density when decoding a Postscript or Portable Document page. The default is 72 pixels per inch in the horizontal and vertical direction. .TP 5 .B "-despeckle" reduce the speckles within an image. .TP 5 .B "-display \fIhost:display[.screen]\fP" specifies the X server to contact; see \fBX(1)\fP. .TP 5 .B "-dither" apply Floyd/Steinberg error diffusion to the image. The basic strategy of dithering is to trade intensity resolution for spatial resolution by averaging the intensities of several neighboring pixels. Images which suffer from severe contouring when reducing colors can be improved with this option. The \fB-colors\fP or \fB-monochrome\fP option is required for this option to take effect. .TP 5 .B "-edge" detect edges within an image. .TP 5 .B "-emboss" emboss the image. .TP 5 .B "-enhance" apply a digital filter to enhance a noisy image. .TP 5 .B "-equalize" perform histogram equalization to the image. .TP 5 .B "-flip" create a "mirror image" by reflecting the image scanlines in the vertical direction. .TP 5 .B "-flop" create a "mirror image" by reflecting the image scanlines in the horizontal direction. .TP 5 .B "-format \fItype\fP" the image format type. This option will convert any image to the image format you specify. See \fBconvert(1)\fP for a list of image format types supported by \fBImageMagick\fP. By default the file is written to its original name. However, if the filename extension matches a supported format, the extension is replaced with the image format type specified with \fp-format\fP. For example, if you specify \fItiff\fP as the format type and the input image filename is \fIimage.gif\fP, the output image filename becomes \fIimage.tiff\fP. .TP 5 .B "-font \fIname\fP" use this font when annotating the image with text. \fBMogrify\fP contacts an X server to obtain the font. If an X server is not available, a Postscript font is used. You can set the pointsize with \fB-pointsize\fP. .TP 5 .B "-frame \fIx++\fP" surround the image with an an ornamental border. See \fBX(1)\fP for details about the geometry specification. The color of the border is specified with the \fB-mattecolor\fP command line option. .TP 5 .B "-gamma \fIvalue\fP" level of gamma correction. The same color image displayed on two different workstations may look different due to differences in the display monitor. Use gamma correction to adjust for this color difference. Reasonable values extend from 0.8 to 2.3. You can apply separate gamma values to the red, green, and blue channels of the image with a gamma value list delineated with commas (i.e. 1.7,2.3,1.2). .TP 5 .B "-geometry \fI{%}x{%}{!}{<}{>}" preferred width and height of the image. See \fBX(1)\fP for details about the geometry specification. By default, the width and height are maximum values. That is, the image is expanded or contracted to fit the width and height value while maintaining the aspect ratio of the image. Append an exclamation point to the geometry to force the image size to exactly the size you specify. For example, if you specify \fB640x480!\fP the image width is set to 640 pixels and height to 480. If only one factor is specified, both the width and height assume the value. To specify a percentage width or height instead, append \fB%\fP. The image size is multiplied by the width and height percentages to obtain the final image dimensions. To increase the size of an image, use a value greater than 100 (e.g. 125%). To decrease an image's size, use a percentage less than 100. Use \fB<\fP to change the dimensions of the image \fIonly\fP if its size exceeds the geometry specification. \fB>\fP resizes the image \fIonly\fP if its dimensions is less than the geometry specification. For example, if you specify \fB640x480>\fP and the image size is 512x512, the image size does not change. However, if the image is 1024x1024, it is resized to 640x480. .TP 5 .B "-interlace \fItype\fP" the type of interlacing scheme: \fBNONE\fP, \fBLINE\fP, or \fBPLANE\fP. This option is used to specify the type of interlacing scheme for raw image formats such as \fBRGB\fP or \fBYUV\fP. \fBNONE\fP means do not interlace (RGBRGBRGBRGBRGBRGB...), \fBLINE\fP uses scanline interlacing (RRR...GGG...BBB...RRR...GGG...BBB...), and \fBPLANE\fP uses plane interlacing (RRRRRR...GGGGGG...BBBBBB...). .B "-label \fIname\fP" assign a label to an image. Use this option to assign a specific label to the image. Optionally you can include the image filename, type, width, height, or scene number in the label by embedding special format characters. Embed \fB%f\fP for filename, \fB%m\fP for magick, \fB%w\fP for width, \fB%h\fP for height, or \fB%s\fP for scene number, or \fB\\n\fP for newline. For example, .nf -label "%m:%f %wx%h" .fi produces an image label of \fBMIFF:bird.miff 512x480\fP for an image titled \fBbird.miff\fP and whose width is 512 and height is 480. If the first character of \fIstring\fP is \fB@\fP, the image label is read from a file titled by the remaining characters in the string. When converting to Postscript, use this option to specify a header string to print above the image. .TP 5 .B "-map \fIfilename\fP" choose a particular set of colors from this image. By default, color reduction chooses an optimal set of colors that best represent the original image. Alternatively, you can choose a particular set of colors with this option. This is useful when you want to create a sequence of images with one particular set of colors for each image. .TP 5 .B "-modulate \fIvalue\fP" vary the brightness, saturation, and hue of an image. Specify the percent change in brightness, the color saturation, and the hue separated by commas. For example, to increase the color brightness by 20% and decrease the color saturation by 10% and leave the hue unchanged, use: \fB-modulate 20,-10\fP. .TP 5 .B "-monochrome" transform the image to black and white. .TP 5 .B "-negate" apply color inversion to image. The red, green, and blue intensities of an image are negated. .TP 5 .B "-noise" reduce the noise in an image with a noise peak elimination filter. The principal function of noise peak elimination filter is to smooth the objects within an image without losing edge information and without creating undesired structures. The central idea of the algorithm is to replace a pixel with its next neighbor in value within a 3 x 3 window, if this pixel has been found to be noise. A pixel is defined as noise if and only if this pixel is a maximum or minimum within the 3 x 3 window. .TP 5 .B "-normalize" transform image to span the full range of color values. This is a contrast enhancement technique. .TP 5 .B "-opaque \fIcolor\fP" change this color to the pen color within the image. See \fB-pen\fP for more details. .TP 5 .B "-page \fIx{\+-}{\+-}\fP" preferred size and location of the Postscript page. Use this option to specify the dimensions of the Postscript page in pixels per inch or a TEXT page in pixels. The default for a Postscript page is to center the image on a letter page 612 by 792 pixels. The margins are 1/2" (i.e. 612x792+36+36). Other common sizes are: Letter 612x 792 Tabloid 792x1224 Ledger 1224x 792 Legal 612x1008 Statement 396x 612 Executive 540x 720 A3 842x1190 A4 595x 842 A5 420x 595 B4 729x1032 B5 516x 729 Folio 612x 936 Quarto 610x 780 10x14 720x1008 For convenience you can specify the page size by media (e.g. A4, Ledger, etc.). The page geometry is relative to the vertical and horizontal density of the Postscript page. See \fB-density\fP for details. The default page dimensions for a TEXT image is 612x792. .TP 5 .B "-paint" paint the image. .TP 5 .B "-pen \fIcolor\fP" set the color of the font or opaque color. See \fB-annotate\fP or \fB-opaque\fP for further details. See \fBX(1)\fP for details about the color specification. .TP 5 .B "-pointsize \fIvalue\fP" pointsize of the Postscript font. .TP 5 .B "-quality \fIvalue\fP" JPEG quality setting. Quality is 0 (worst) to 100 (best). The default is 75. .TP 5 .B "-raise \fI\fP" lighten or darken image edges to create a 3-D effect. \fIBevel width\fP is the width of an edge. Use \fB-raise\fP to create a raised effect, otherwise use \fB+raise\fP. .TP 5 .B "-roll \fI{\+-}{\+-}\fP" roll an image vertically or horizontally. See \fBX(1)\fP for details about the geometry specification. A negative \fIx offset\fP rolls the image left-to-right. A negative \fIy offset\fP rolls the image top-to-bottom. .TP 5 .B "-rotate \fIdegrees\fP" apply Paeth image rotation to the image. Empty triangles left over from rotating the image are filled with the color defined as \fBbordercolor\fP (class \fBborderColor\fP). See \fBX(1)\fP for details. .TP 5 .B "-scene \fIvalue\fP" image scene number. .TP 5 .B "-sharpen \fIweight\fP" sharpen an image. Specify \fIfactor\fP as the percent enhancement (0.0 - 99.9%). .TP 5 .B "-shear \fIx\fP" shear the image along the X or Y axis by a positive or negative shear angle. Shearing slides one edge of an image along the X or Y axis, creating a parallelogram. An X direction shear slides an edge along the X axis, while a Y direction shear slides an edge along the Y axis. The amount of the shear is controlled by a shear angle. For X direction shears, \fIx degrees>\fP is measured relative to the Y axis, and similarly, for Y direction shears \fIy degrees\fP is measured relative to the X axis. Empty triangles left over from shearing the image are filled with the color defined as \fBbordercolor\fP (class \fBborderColor\fP). See \fBX(1)\fP for details. .TP 5 .B "-size \fI{%}x{%}+\fP" width and height of the image. Use this option to specify the width and height of raw images whose dimensions are unknown such as \fBGRAY\fP, \fBRGB\fP, or \fBCMYK\fP. In addition to width and height, use \fB-size\fP to skip any header information in the image or tell the number of colors in a \fBMAP\fP image file, (e.g. -size 640x512+256). For Photo CD images, choose from these sizes: .PP 192x128 384x256 768x512 1536x1024 3072x2048 Finally, use this option to choose a particular resolution layer of a JBIG image (e.g. -size 1024x768). .TP 5 .B "-transparency \fIcolor\fP" make this color transparent within the image. .TP 5 .B "-treedepth \fIvalue\fP" Normally, this integer value is zero or one. A zero or one tells \fBmogrify\fP to choose a optimal tree depth for the color reduction algorithm. An optimal depth generally allows the best representation of the source image with the fastest computational speed and the least amount of memory. However, the default depth is inappropriate for some images. To assure the best representation, try values between 2 and 8 for this parameter. Refer to \fBquantize(9)\fP for more details. The \fB-colors\fP or \fB-monochrome\fP option is required for this option to take effect. .TP 5 .B "-undercolor \fIx\fP" control undercolor removal and black generation on CMYK images. This option enables you to perform undercolor removal and black generation on CMYK images-- images to be printed on a four-color printing system. You can control how much cyan, magenta, and yellow to remove from your image and how much black to add to it. The standard undercolor removal is \fB1.0x1.0\fP. You'll frequently get better results, though, if the percentage of black you add to your image is slightly higher than the percentage of C, M, and Y you remove from it. For example you might try \fB0.5x0.7\fP. .TP 5 .B -verbose print detailed information about the image. This information is printed: image scene number; image name; image size; the image class (\fIDirectClass\fP or \fIPseudoClass\fP); the total number of unique colors (if known); and the number of seconds to read and transform the image. Refer to \fBmiff(5)\fP for a description of the image class. If \fB-colors\fP is also specified, the total unique colors in the image and color reduction error values are printed. Refer to \fBquantize(9)\fP for a description of these values. .PP Options are processed in command line order. Any option you specify on the command line remains in effect until it is explicitly changed by specifying the option again with a different effect. For example, to mogrify two images, the first with 32 colors and the second with only 16 colors, use: .PP mogrify -colors 32 cockatoo.miff -colors 16 macaw.miff .PP Change \fI-\fP to \fI\+\fP in any option above to reverse its effect. For example, specify \fB\+compress\fP to store the binary image in an uncompressed format. .PP By default, the image format is determined by its magic number. To specify a particular image format, precede the filename with an image format name and a colon (i.e. ps:image) or specify the image type as the filename suffix (i.e. image.ps). See \fBconvert(1)\fP for a list of valid image formats. .PP Specify \fIfile\fP as \fI-\fP for standard input and output. If \fIfile\fP has the extension \fB.Z\fP or \fB.gz\fP, the file is uncompressed with \fBuncompress\fP or \fBgunzip\fP respectively and subsequently compressed using with \fBcompress\fP or \fBgzip\fP. Finally, precede the image file name with \fI|\fP to pipe to or from a system command. .PP Use an optional index enclosed in brackets after a file name to specify a desired subimage of a multi-resolution image format like Photo CD (e.g. img0001.pcd[4]) or a range for MPEG images (e.g. video.mpg[50-75]). .SH SEE ALSO .B display(1), animate(1), import(1), montage(1), convert(1), segment(1), combine(1), xtp(1) .SH COPYRIGHT Copyright 1995 E. I. du Pont de Nemours and Company .PP Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. du Pont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. du Pont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty. .PP E. I. du Pont de Nemours and Company disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness, in no event shall E. I. du Pont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortuous action, arising out of or in connection with the use or performance of this software. .SH ACKNOWLEDGEMENTS Michael Halle, Spatial Imaging Group at MIT, for the initial implementation of Alan Paeth's image rotation algorithm. .PP David Pensak, E. I. du Pont de Nemours and Company, for providing a computing environment that made this program possible. .PP Paul Raveling, USC Information Sciences Institute, for the original idea of using space subdivision for the color reduction algorithm. .SH AUTHORS John Cristy, E.I. du Pont de Nemours and Company Incorporated t represent the original image. Alternatively, you can choose a particular set o./ImageMagick/montage.man010064400000240000024000000567770602164603700164500ustar00cristycristy00002330000007.ad l .nh .TH montage 1 "1 May 1994" "ImageMagick" .SH NAME montage - creates a composite image by combining several separate images .SH SYNOPSIS .B "montage" [ \fIoptions\fP ...] \fIfile\fP [ [ \fIoptions\fP ...] \fIfile\fP ...] \fIoutput_file\fP .SH DESCRIPTION \fBmontage\fP creates a composite image by combining several separate images. The images are tiled on the composite image with the name of the image optionally appearing just below the individual tile. The composite image is constructed in the following manner. First, each image specified on the command line, except for the last, is scaled to fit the maximum tile size. The maximum tile size by default is 120x120. It can be modified with the \fB-geometry\fP command line argument or X resource. See \fBOPTIONS\fP for more information on command line arguments. See \fBX(1)\fP for more information on X resources. Note that the maximum tile size need not be a square. To respect the aspect ratio of each image append \fB~\fP to the geometry specification. Next the composite image is initialized with the color specified by the \fP-background\fP command line argument or X resource. The width and height of the composite image is determined by the title specified, the maximum tile size, the number of tiles per row, the tile border width and height, the image border width, and the label height. The number of tiles per row specifies how many images are to appear in each row of the composite image. The default is to have 5 tiles in each row and 4 tiles in each column of the composite. A specific value is specified with \fB-tile\fP. The tile border width and height, and the image border width defaults to the value of the X resource \fB-borderwidth\fP. It can be changed with the \fB-borderwidth\fP or \fB-geometry\fP command line argument or X resource. The label height is determined by the font you specify with the \fB-font\fP command line argument or X resource. If you do not specify a font, a font is choosen that allows the name of the image to fit the maximum width of a tiled area. The label colors is determined by the \fB-background\fP and \fB-foreground\fP command line argument or X resource. Note, that if the background and foreground colors are the same, labels will not appear. Initially, the composite image title is placed at the top if one is specified (refer to \fB-foreground\fP X resource). Next, each image is set onto the composite image, surrounded by its border color, with its name centered just below it. The individual images are left-justified within the width of the tiled area. The order of the images is the same as they appear on the command line unless the images have a scene keyword. If a scene number is specified in each image, then the images are tiled onto the composite in the order of their scene number. Finally, the last argument on the command line is the name assigned to the composite image. By default, the image is written in the \fBMIFF\fP format and can be viewed or printed with \fBdisplay(1)\fP. Note, that if the number of tiles exceeds the default number of 20 (5 per row, 4 per column), more than one composite image is created. To ensure a single image is produced, use \fB-tile\fB to increase the number of tiles to meet or exceed the number of input images. .SH EXAMPLES To create a montage of a cockatoo, a parrot, and a hummingbird and write it to a file called birds, use: .PP .B montage cockatoo.miff parrot.miff hummingbird.miff birds.miff .PP To tile several bird images so that they are at most 256 pixels in width and 192 pixels in height, surrounded by a red border, and separated by 10 pixels of background color, use: .PP .B montage -geometry 256x192+10+10 -bordercolor red birds.* montage.miff .PP To create an unlabeled parrot image, 640 by 480 pixels, and surrounded by a border of black, use: .PP .B montage -geometry 640x480 -bordercolor black -label "" parrot.miff bird.miff .PP To create an image of an eagle with a textured background, use: .PP .B montage -texture bumps.jpg eagle.jpg eagle.png .PP .PP To join several GIF images together without any extraneous graphics (e.g. no label, no shadowing, no surrounding tile frame), use: .B montage +frame +shadow +label -geometry 50x50+0+0 -tile 5x1 *.gif joined.gif .SH OPTIONS .TP 5 .B "-colors \fIvalue\fP" preferred number of colors in the image. The actual number of colors in the image may be less than your request, but never more. Note, this is a color reduction option. Images with less unique colors than specified with this option will remain unchanged. Refer to \fBquantize(9)\fP for more details. Note, options \fB-dither\fP, \fB-colorspace\fP, and \fB-treedepth\fP affect the color reduction algorithm. .TP 5 .B "-colorspace \fIvalue\fP" the type of colorspace: \fBGRAY\fP, \fBOHTA\fP, \fBRGB\fP, \fBXYZ\fP, \fBYCbCr\fP, \fBYIQ\fP, \fBYPbPr\fP, or \fBYUV\fP. Color reduction, by default, takes place in the RGB color space. Empirical evidence suggests that distances in color spaces such as YUV or YIQ correspond to perceptual color differences more closely than do distances in RGB space. These color spaces may give better results when color reducing an image. Refer to \fBquantize(9)\fP for more details. The \fB-colors\fP or \fB-monochrome\fP option is required for this option to take effect. .TP 5 .B "-comment \fIstring\fP" annotate an image with a comment. By default, each image is commented with its file name. Use this option to assign a specific comment to the image. Optionally you can include the image filename, type, width, height, or scene number by embedding special format characters. Embed \fB%f\fP for filename, \fB%m\fP for magick, \fB%w\fP for width, \fB%h\fP for height, \fB%s\fP for scene number, or \fB\\n\fP for newline. For example, .nf -comment "%m:%f %wx%h" .fi produces an image comment of \fBMIFF:bird.miff 512x480\fP for an image titled \fBbird.miff\fP and whose width is 512 and height is 480. If the first character of \fIstring\fP is \fB@\fP, the image comment is read from a file titled by the remaining characters in the string. .TP 5 .B "-compose \fIoperator\fP" the type of image composition. By default, each of the composite image pixels are replaced by the corresponding image tile pixel. You can choose an alternate composite operation: over in out atop xor plus minus add subtract difference replace .PP The operations behaves as follows: .TP 9 .B over The result will be the union of the two image shapes, with \fIimage\fP obscuring \fIcomposite image\fP in the region of overlap. .TP 9 .B in The result is simply \fIimage\fP cut by the shape of \fIimage window\fP. None of the image data of \fIcomposite image\fP will be in the result. .TP 9 .B out The resulting image is \fIimage\fP with the shape of \fIcomposite image\fP cut out. .TP 9 .B atop The result is the same shape as image \fIcomposite image\fP, with \fIimage\fP obscuring \fIcomposite image\fP where the image shapes overlap. Note this differs from \fBover\fP because the portion of \fIimage\fP outside \fIcomposite image\fP's shape does not appear in the result. .TP 9 .B xor The result is the image data from both \fIimage\fP and \fIcomposite image\fP that is outside the overlap region. The overlap region will be blank. .TP 9 .B plus The result is just the sum of the image data. Output values are cropped to 255 (no overflow). This operation is independent of the matte channels. .TP 9 .B minus The result of \fIimage\fP \- \fIcomposite image\fP, with underflow cropped to zero. The matte channel is ignored (set to 255, full coverage). .TP 9 .B add The result of \fIimage\fP + \fIcomposite image\fP, with overflow wrapping around (\fImod\fP 256). .TP 9 .B subtract The result of \fIimage\fP - \fIcomposite image\fP, with underflow wrapping around (\fImod\fP 256). The \fBadd\fP and \fBsubtract\fP operators can be used to perform reversible transformations. .TP 9 .B difference The result of abs(\fIimage\fP \- \fIcomposite image\fP). This is useful for comparing two very similar images. .TP 9 .B replace The resulting image is \fIcomposite image\fP replaced with \fIimage\fP. Here the matte information is ignored. The image compositor requires an matte, or alpha channel in the image for some operations. This extra channel usually defines a mask which represents a sort of a cookie-cutter for the image. This is the case when matte is 255 (full coverage) for pixels inside the shape, zero outside, and between zero and 255 on the boundary. If \fIimage\fP does not have an matte channel, it is initialized with 0 for any pixel matching in color to pixel location (0,0), otherwise 255 (to work properly \fBborderwidth\fP must be 0). .TP 5 .B "-compress \fItype\fP" the type of image compression: \fIQEncoded\fP or \fIRunlengthEncoded\fP. This option specifies the type of image compression for the composite image. See \fBmiff(5)\fP for details. Specify \fB\+compress\fP to store the binary image in an uncompressed format. The default is the compression type of the specified image file. .TP 5 .B "-crop \fI{%}x{%}{\+-}{\+-}\fP" preferred size and location of the cropped image. See \fBX(1)\fP for details about the geometry specification. To specify a percentage width or height instead, append \fB%\fP. For example to crop the image by ten percent on all sides of the image, use \fB-crop 10%\fP. Use cropping to tile only a particular area of an image. Use \fB-crop 0x0\fP to remove edges that are the background color. The equivalent X resource for this option is \fBcropGeometry\fP (class \fBCropGeometry\fP). See \fBX RESOURCES\fP for details. .TP 5 .B "-density \fIx\fP vertical and horizontal resolution in pixels of the image. This option specifies an image density when decoding a Postscript or Portable Document page. The default is 72 pixels per inch in the horizontal and vertical direction. .TP 5 .B "-display \fIhost:display[.screen]\fP" specifies the X server to contact; see \fBX(1)\fP. Specify \fB+display\fP if an X server is not available. The label font is obtained from the X server. If none is available, the composite image will not have labels. Since the X server is necessary to read X resources, all options must be set via the command line when +display is specified. .TP 5 .B "-dither" apply Floyd/Steinberg error diffusion to the image. The basic strategy of dithering is to trade intensity resolution for spatial resolution by averaging the intensities of several neighboring pixels. Images which suffer from severe contouring when reducing colors can be improved with this option. The \fB-colors\fP or \fB-monochrome\fP option is required for this option to take effect. .TP 5 .B "-font \fIname\fP" use this font when annotating the image with text. \fBConvert\fP contacts an X server to obtain the font. If an X server is not available, a Postscript font is used. You can set the pointsize with \fB-pointsize\fP. .TP 5 .B "-frame" surround image with an ornamental border. Specify the width of the matte with \fB-borderwidth\fP. Use \fB-gravity\fP to specify how the image is oriented within the ornamental border. Use \fB-mattecolor\fP to specify the frame color. .TP 5 .B "-gamma \fIvalue\fP" level of gamma correction. The same color image displayed on two different workstations may look different due to differences in the display monitor. Use gamma correction to adjust for this color difference. Reasonable values extend from 0.8 to 2.3. You can apply separate gamma values to the red, green, and blue channels of the image with a gamma value list delineated with commas (i.e. 1.7,2.3,1.2). .TP 5 .B "-geometry \fIx++{!}{<}{>}\fP" preferred tile and border size of each tile of the composite image. By default, the width and height are maximum values. That is, the image is expanded or contracted to fit the width and height value while maintaining the aspect ratio of the image. Append an exclamation point to the geometry to force the image size to exactly the size you specify. For example, if you specify \fB640x480!\fP the image width is set to 640 pixels and height to 480. If only one factor is specified, both the width and height assume the value. Use \fB<\fP to change the dimensions of the image \fIonly\fP if its size exceeds the geometry specification. \fB>\fP resizes the image \fIonly\fP if its dimensions is less than the geometry specification. For example, if you specify \fB640x480>\fP and the image size is 512x512, the image size does not change. However, if the image is 1024x1024, it is resized to 640x480. Each image is surrounded by a border whose size in pixels is specified as \fI\fP and \fI\fP and whose color is the background color. By default, the tile size is 256x256 and there is no border. The equivalent X resource for this option is \fBimageGeometry\fP (class \fBImageGeometry\fP). See \fBX RESOURCES\fP for details. .TP 5 .B "-gravity \fIdirection\fP" direction image gravitates to within a tile. See \fBX(1)\fP for details about the gravity specification. A tile of the composite image is a fixed width and height. However, the image within the tile may not fill it completely (see \fB-geometry\fP). The direction you specify indicates where to position the image within the tile. For example \fICenter\fP gravity forces the image to be centered within the tile. By default, the image gravity is \fINorth\fP. .TP 5 .B "-interlace \fItype\fP" the type of interlacing scheme: \fBNONE\fP, \fBLINE\fP, or \fBPLANE\fP. This option is used to specify the type of interlacing scheme for raw image formats such as \fBRGB\fP or \fBYUV\fP. \fBNONE\fP means do not interlace (RGBRGBRGBRGBRGBRGB...), \fBLINE\fP uses scanline interlacing (RRR...GGG...BBB...RRR...GGG...BBB...), and \fBPLANE\fP uses plane interlacing (RRRRRR...GGGGGG...BBBBBB...). .TP 5 .B "-label \fIname\fP" assign a label to an image. By default, each image is labeled with its file name. Use this option to assign a specific label to the image. Optionally you can include the image filename, type, width, height, or scene number in the label by embedding special format characters. Embed \fB%f\fP for filename, \fB%m\fP for magick, \fB%w\fP for width, \fB%h\fP for height, or \fB%s\fP for scene number, or \fB\\n\fP for newline. For example, .nf -label "%m:%f %wx%h" .fi produces an image label of \fBMIFF:bird.miff 512x480\fP for an image titled \fBbird.miff\fP and whose width is 512 and height is 480. If the first character of \fIstring\fP is \fB@\fP, the image label is read from a file titled by the remaining characters in the string. .TP 5 .B "-monochrome" transform the image to black and white. .TP 5 .B "-page \fIx{\+-}{\+-}\fP" preferred size and location of the Postscript page. Use this option to specify the dimensions of the Postscript page in pixels per inch or a TEXT page in pixels. The default for a Postscript page is to center the image on a letter page 612 by 792 pixels. The margins are 1/2" (i.e. 612x792+36+36). Other common sizes are: Letter 612x 792 Tabloid 792x1224 Ledger 1224x 792 Legal 612x1008 Statement 396x 612 Executive 540x 720 A3 842x1190 A4 595x 842 A5 420x 595 B4 729x1032 B5 516x 729 Folio 612x 936 Quarto 610x 780 10x14 720x1008 For convenience you can specify the page size by media (e.g. A4, Ledger, etc.). The page geometry is relative to the vertical and horizontal density of the Postscript page. See \fB-density\fP for details. The default page dimensions for a TEXT image is 612x792. .TP 5 .B "-pointsize \fIvalue\fP" pointsize of the Postscript font. .TP 5 .B "-quality \fIvalue\fP" JPEG quality setting. Quality is 0 (worst) to 100 (best). The default is 75. .TP 5 .B "-rotate \fIdegrees\fP" apply Paeth image rotation to the image. Empty triangles left over from rotating the image are filled with the color defined as \fBbordercolor\fP (class \fBborderColor\fP). See \fBX(1)\fP for details. .TP 5 .B "-scene \fIvalue\fP" image scene number. .TP 5 .B "-shadow add a shadow beneath a tile to simulate depth. .TP 5 .B "-size \fI{%}x{%}{+offset}{!}" width and height of the image. Use this option to specify the width and height of raw images whose dimensions are unknown such as \fBGRAY\fP, \fBRGB\fP, or \fBCMYK\fP. In addition to width and height, use \fB-size\fP to skip any header information in the image or tell the number of colors in a \fBMAP\fP image file, (e.g. -size 640x512+256). .TP 5 .B "-texture \fIfilename\fP" name of texture to tile onto the image background. .TP 5 .B "-tile \fIx\fP" specifies how many tiles are to appear in each row and column of the composite image. Specify the number of tiles per row with width and tiles per column with height. For example if you want 1 tile in each row and a maximum of 10 tiles in the composite image, use -tile 1x10. The default is to have 5 tiles in each row and 4 tiles in each column of the composite. .TP 5 .B "-transparency \fIcolor\fP" make this color transparent within the image. .TP 5 .B "-treedepth \fIvalue\fP" Normally, this integer value is zero or one. A zero or one tells \fBmontage\fP to choose a optimal tree depth for the color reduction algorithm. An optimal depth generally allows the best representation of the source image with the fastest computational speed and the least amount of memory. However, the default depth is inappropriate for some images. To assure the best representation, try values between 2 and 8 for this parameter. Refer to \fBquantize(9)\fP for more details. The \fB-colors\fP or \fB-monochrome\fP option is required for this option to take effect. .TP 5 .B -verbose print detailed information about the image. This information is printed: image scene number; image name; image size; the image class (\fIDirectClass\fP or \fIPseudoClass\fP); the total number of unique colors; and the number of seconds to read and write the image. .PP In addition to those listed above, you can specify these standard X resources as command line options: -background, -bordercolor, -borderwidth, -font, -foreground, -mattecolor, or -title. See \fBX RESOURCES\fP for details. .PP Options are processed in command line order. Any option you specify on the command line remains in effect until it is explicitly changed by specifying the option again with a different effect. For example, to montage two images, the first with 32 colors and the second with only 16 colors, use: .PP montage -colors 32 cockatoo.1 -colors 16 cockatoo.2 cockatoo.miff .PP Change \fI-\fP to \fI\+\fP in any option above to reverse its effect. For example, specify \fB\+dither\fP to not apply error diffusion to an image. .PP By default, the image format is determined by its magic number. To specify a particular image format, precede the filename with an image format name and a colon (i.e. ps:image) or specify the image type as the filename suffix (i.e. image.ps). See \fBconvert(1)\fP for a list of valid image formats. .PP When you specify \fBX\fP as your image type, the filename has special meaning. It specifies an X window by id, name, or \fBroot\fP. If no filename is specified, the window is selected by clicking the mouse in the desired window. .PP Specify \fIfile\fP as \fI-\fP for standard input, \fIoutput_file\fP as \fI-\fP for standard output. If \fIfile\fP has the extension \fB.Z\fP or \fB.gz\fP, the file is uncompressed with \fBuncompress\fP or \fBgunzip\fP respectively. If \fIoutput_file\fP has the extension \fB.Z\fP or \fB.gz\fP, the file size is compressed using with \fBcompress\fP or \fBgzip\fP respectively. Finally, precede the image file name with \fI|\fP to pipe to or from a system command. .PP Use an optional index enclosed in brackets after a file name to specify a desired subimage of a multi-resolution image format like Photo CD (e.g. img0001.pcd[4]) or a range for MPEG images (e.g. video.mpg[50-75]). .PP Note, a composite MIFF image displayed to an X server with \fBdisplay\fP behaves differently than other images. You can think of the composite as a visual image directory. Choose a particular tile of the composite and press a button to display it. See \fBdisplay(1)\fP and \fBmiff(5)\fP for details. .SH "X RESOURCES" \fBmontage\fP options can appear on the command line or in your X resource file. Options on the command line supersede values specified in your X resource file. See \fBX(1)\fP for more information on X resources. All \fBmontage\fP options have a corresponding X resource. In addition, \fBmontage\fP uses the following X resources: .TP 5 .B background (\fPclass\fB Background) Specifies the preferred color to use for the composite image background. The default is #697B8F. .TP 5 .B borderColor (\fPclass\fB BorderColor) Specifies the preferred color to use for the composite image border. The default is black. .TP 5 .B borderWidth (\fPclass\fB BorderWidth) Specifies the width in pixels of the composite image border. The default is 2. .TP 5 .B font (\fPclass\fB Font) Specifies the name of the preferred font to use when displaying text within the composite image. The default is 9x15, fixed, or 5x8 determined by the composite image size. .TP 5 .B foreground (\fPclass\fB Foreground) Specifies the preferred color to use for text within the composite image. The default is black. .TP 5 .B matteColor (\fPclass\fB MatteColor) Specify the color of an image frame. A 3D effect is achieved by using highlight and shadow colors derived from this color. The default value is #ccc. .TP 5 .B title (\fPclass\fB Title) This resource specifies the title to be placed at the top of the composite image. The default is not to place a title at the top of the composite image. .SH ENVIRONMENT .TP 5 .B display To get the default host, display number, and screen. .SH SEE ALSO .B display(1), animate(1), import(1), mogrify(1), convert(1), segment(1), combine(1), xtp(1) .SH COPYRIGHT Copyright 1995 E. I. du Pont de Nemours and Company .PP Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. du Pont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. du Pont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty. .PP E. I. du Pont de Nemours and Company disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness, in no event shall E. I. du Pont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortuous action, arising out of or in connection with the use or performance of this software. .SH ACKNOWLEDGEMENTS The MIT X Consortium for making network transparent graphics a reality. .PP Michael Halle, Spatial Imaging Group at MIT, for the initial implementation of Alan Paeth's image rotation algorithm. .PP David Pensak, E. I. du Pont de Nemours and Company, for providing a computing environment that made this program possible. .PP Paul Raveling, USC Information Sciences Institute, for the original idea of using space subdivision for the color reduction algorithm. .SH AUTHORS John Cristy, E.I. du Pont de Nemours and Company Incorporated P./ImageMagick/segment.man010064400000240000024000000261660601517471300164450ustar00cristycristy00002330000007.ad l .nh .TH segment 1 "10 April 1993" "ImageMagick" .SH NAME segment - segments an image with thresholding and the fuzzy c-Means technique. .SH SYNOPSIS .B "segment" [ \fIoptions\fP ... ] \fIinput_file\fP \fIoutput_file\fP .SH DESCRIPTION \fBsegment\fP segments an image by analyzing the histograms of the color components and identifying units that are homogeneous with the fuzzy c-means technique. The scale-space filter analyzes the histograms of the three color components of the image and identifies a set of classes. The extents of each class is used to coarsely segment the image with thresholding. The color associated with each class is determined by the mean color of all pixels within the extents of a particular class. Finally, any unclassified pixels are assigned to the closest class with the fuzzy c-means technique. .PP The fuzzy c-Means algorithm can be summarized as follows: .RS .LP o Build a histogram, one for each color component of the image. .LP o For each histogram, successively apply the scale-space filter and build an interval tree of zero crossings in the second derivative at each scale. Analyze this scale-space ``fingerprint'' to determine which peaks or valleys in the histogram are most predominant. .LP o The fingerprint defines intervals on the axis of the histogram. Each interval contains either a minima or a maxima in the original signal. If each color component lies within the maxima interval, that pixel is considered ``classified'' and is assigned an unique class number. .LP o Any pixel that fails to be classified in the above thresholding pass is classified using the fuzzy c-Means technique. It is assigned to one of the classes discovered in the histogram analysis phase. .RE .PP The fuzzy c-Means technique attempts to cluster a pixel by finding the local minima of the generalized within group sum of squared error objective function. A pixel is assigned to the closest class of which the fuzzy membership has a maximum value. For additional information see .IP Young Won Lim, Sang Uk Lee, "On The Color Image Segmentation Algorithm Based on the Thresholding and the Fuzzy c-Means Techniques", Pattern Recognition, Volume 23, Number 9, pages 935-952, 1990. .SH EXAMPLES .PP To segment an image of a cockatoo, use: .PP .B segment cockatoo.miff cockatoo.segmented .PP To segment a raw grayscale image, use: .PP .B segment -size 768x512 gray:raw image.miff .SH OPTIONS .TP 5 .B "-cluster_threshold \fIvalue\fP" eliminate clusters that are insignificant. The number of pixels in each cluster must exceed the the cluster threshold to be considered valid. The default is 1%. .TP 5 .B "-colorspace \fIvalue\fP" the type of colorspace: \fBGRAY\fP, \fBOHTA\fP, \fBRGB\fP, \fBXYZ\fP, \fBYCbCr\fP, \fBYIQ\fP, \fBYPbPr\fP, or \fBYUV\fP. Color reduction, by default, takes place in the RGB color space. Empirical evidence suggests that distances in color spaces such as YUV or YIQ correspond to perceptual color differences more closely than do distances in RGB space. These color spaces may give better results when color reducing an image. Refer to \fBquantize(9)\fP for more details. .TP 5 .B "-comment \fIstring\fP" annotate an image with a comment. By default, each image is commented with its file name. Use this option to assign a specific comment to the image. Optionally you can include the image filename, type, width, height, or scene number by embedding special format characters. Embed \fB%f\fP for filename, \fB%m\fP for magick, \fB%w\fP for width, \fB%h\fP for height, \fB%s\fP for scene number, or \fB\\n\fP for newline. For example, .nf -comment "%m:%f %wx%h" .fi produces an image comment of \fBMIFF:bird.miff 512x480\fP for an image titled \fBbird.miff\fP and whose width is 512 and height is 480. If the first character of \fIstring\fP is \fB@\fP, the image comment is read from a file titled by the remaining characters in the string. .TP 5 .B "-compress \fItype\fP" the type of image compression: \fIQEncoded\fP or \fIRunlengthEncoded\fP. Specify \fB\+compress\fP to store the binary image in an uncompressed format. The default is the compression type of the specified image file. .TP 5 .B "-density \fIx\fP vertical and horizontal resolution in pixels of the image. This option specifies an image density when decoding a Postscript or Portable Document page. The default is 72 pixels per inch in the horizontal and vertical direction. .TP 5 .B "-display \fIhost:display[.screen]\fP" specifies the X server to contact; see \fBX(1)\fP. .TP 5 .B "-font \fIname\fP" This option specifies the font to be used for displaying normal text. The default is \fBfixed\fP. .TP 5 .B "-interlace \fItype\fP" the type of interlacing scheme: \fBNONE\fP, \fBLINE\fP, or \fBPLANE\fP. This option is used to specify the type of interlacing scheme for raw image formats such as \fBRGB\fP or \fBYUV\fP. \fBNONE\fP means do not interlace (RGBRGBRGBRGBRGBRGB...), \fBLINE\fP uses scanline interlacing (RRR...GGG...BBB...RRR...GGG...BBB...), and \fBPLANE\fP uses plane interlacing (RRRRRR...GGGGGG...BBBBBB...). Use \fBLINE\fP, or \fBPLANE\fP to create an interlaced GIF image. .TP 5 .B "-label \fIname\fP" assign a label to an image. Use this option to assign a specific label to the image. Optionally you can include the image filename, type, width, height, or scene number in the label by embedding special format characters. Embed \fB%f\fP for filename, \fB%m\fP for magick, \fB%w\fP for width, \fB%h\fP for height, or \fB%s\fP for scene number, or \fB\\n\fP for newline. For example, .nf -label "%m:%f %wx%h" .fi produces an image label of \fBMIFF:bird.miff 512x480\fP for an image titled \fBbird.miff\fP and whose width is 512 and height is 480. If the first character of \fIstring\fP is \fB@\fP, the image label is read from a file titled by the remaining characters in the string. When converting to Postscript, use this option to specify a header string to print above the image. .TP 5 .B "-matte" store matte channel if the image has one. .TP 5 .B "-page \fIx{\+-}{\+-}\fP" preferred size and location of the Postscript page. Use this option to specify the dimensions of the Postscript page in pixels per inch or a TEXT page in pixels. The default for a Postscript page is to center the image on a letter page 612 by 792 pixels. The margins are 1/2" (i.e. 612x792+36+36). Other common sizes are: Letter 612x 792 Tabloid 792x1224 Ledger 1224x 792 Legal 612x1008 Statement 396x 612 Executive 540x 720 A3 842x1190 A4 595x 842 A5 420x 595 B4 729x1032 B5 516x 729 Folio 612x 936 Quarto 610x 780 10x14 720x1008 For convenience you can specify the page size by media (e.g. A4, Ledger, etc.). The page geometry is relative to the vertical and horizontal density of the Postscript page. See \fB-density\fP for details. The default page dimensions for a TEXT image is 612x792. .TP 5 .B "-quality \fIvalue\fP" JPEG quality setting. Quality is 0 (worst) to 100 (best). The default is 75. .TP 5 .B "-scene \fIvalue\fP" image scene number. .TP 5 .B "-size \fI{%}x{%}{+offset}{!}" width and height of the image. Use this option to specify the width and height of raw images whose dimensions are unknown such as \fBGRAY\fP, \fBRGB\fP, or \fBCMYK\fP. In addition to width and height, use \fB-size\fP to skip any header information in the image or tell the number of colors in a \fBMAP\fP image file, (e.g. -size 640x512+256). .TP 5 .B "-smoothing_threshold \fIvalue\fP" eliminate noise in the second derivative of the histogram. As the value is increased, you can expect a smoother second derivative. The default is 1.5. .TP 5 .B -verbose print detailed information about the image. This information is printed: image scene number; image name; converted image name; image size; the image class (\fIDirectClass\fP or \fIPseudoClass\fP); the total number of unique colors; and the number of seconds to read and convert the image. .PP Options are processed in command line order. Any option you specify on the command line remains in effect until it is explicitly changed by specifying the option again with a different effect. .PP Change '-' to '+' in any option above to reverse its effect. For example, specify +matte to store the image without its matte channel. .PP By default, the image format is determined by its magic number. To specify a particular image format, precede the filename with an image format name and a colon (i.e. ps:image) or specify the image type as the filename suffix (i.e. image.ps). See \fBconvert(1)\fP for a list of valid image formats. .PP When you specify \fBX\fP as your image type, the filename has special meaning. It specifies an X window by id, name, or \fBroot\fP. If no filename is specified, the window is selected by clicking the mouse in the desired window. .PP Specify \fIinput_file\fP as \fI-\fP for standard input, \fIoutput_file\fP as \fI-\fP for standard output. If \fIinput_file\fP has the extension \fB.Z\fP or \fB.gz\fP, the file is uncompressed with \fBuncompress\fP or \fBgunzip\fP respectively. If \fIoutput_file\fP has the extension \fB.Z\fP or \fB.gz\fP, the file size is compressed using with \fBcompress\fP or \fBgzip\fP respectively. Finally, precede the image file name with \fI|\fP to pipe to or from a system command. .PP Use an optional index enclosed in brackets after a file name to specify a desired subimage of a multi-resolution image format like Photo CD (e.g. img0001.pcd[4]). .PP If \fIoutput_file\fP already exists, you will be prompted as to whether it should be overwritten. .SH ENVIRONMENT .PP .TP 5 .B display To get the default host, display number, and screen. .SH SEE ALSO .B display(1), animate(1), import(1), montage(1), mogrify(1), convert(1), combine(1), xtp(1) .SH COPYRIGHT Copyright 1995 E. I. du Pont de Nemours and Company .PP Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. du Pont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. du Pont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty. .PP E. I. du Pont de Nemours and Company disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness, in no event shall E. I. du Pont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortuous action, arising out of or in connection with the use or performance of this software. .SH ACKNOWLEDGEMENTS Andy Gallo, University of Delaware. This software is strongly based on software Andy wrote. .SH AUTHORS John Cristy, E.I. du Pont De Nemours and Company Incorporated f 512x480\fP for an image titled \fBbird.miff\fP and whose width is 512 and height is 480. If the first character of \fIstring\fP is \fB@\fP, the image comment is read from a file titled by the remaining characters in the string. .TP 5 .B "-compress \fItype\fP" the type of image compression: \fIQEncoded\fP or \fIRunlengthEncoded\fP. Specify \fB\+compress\fP to store the binary image in an ./ImageMagick/combine.c010064400000240000024000000550760602164601600160650ustar00cristycristy00002330000007/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % CCCC OOO M M BBBB IIIII N N EEEEE % % C O O MM MM B B I NN N E % % C O O M M M BBBB I N N N EEE % % C O O M M B B I N NN E % % CCCC OOO M N BBBB IIIII N N EEEEE % % % % % % Digitally combine two images. % % % % % % % % Software Design % % John Cristy % % January 1993 % % % % % % Copyright 1995 E. I. Dupont de Nemours and Company % % % % Permission to use, copy, modify, distribute, and sell this software and % % its documentation for any purpose is hereby granted without fee, % % provided that the above Copyright notice appear in all copies and that % % both that Copyright notice and this permission notice appear in % % supporting documentation, and that the name of E. I. Dupont de Nemours % % and Company not be used in advertising or publicity pertaining to % % distribution of the software without specific, written prior % % permission. E. I. Dupont de Nemours and Company makes no representations % % about the suitability of this software for any purpose. It is provided % % "as is" without express or implied warranty. % % % % E. I. Dupont de Nemours and Company disclaims all warranties with regard % % to this software, including all implied warranties of merchantability % % and fitness, in no event shall E. I. Dupont de Nemours and Company be % % liable for any special, indirect or consequential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, negligence or other tortuous action, arising % % out of or in connection with the use or performance of this software. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % The combine program syntax is: % % Usage: combine [options ...] input_file1 input_file2 output_file % % Where options include: % -blend value blend the two images a given percent % -colors value preferred number of colors in the image % -compose operator composite operator % -colorspace type GRAY, OHTA, RGB, XYZ, YCbCr, YIQ, YPbPr, or YUV % -comment string annotate image with comment % -compress type RunlengthEncoded or QEncoded % -density geometry vertical and horizontal density of the image % -display server obtain image or font from this X server % -dither apply Floyd/Steinberg error diffusion to image % -font name X11 font for displaying text % -geometry geometry perferred size or location of the image % -interlace type NONE, LINE, or PLANE % -label name assign a label to an image % -matte store matte channel if the image has one % -monochrome transform image to black and white % -page geometry size and location of the Postscript page % -quality value JPEG quality setting % -scene value image scene number % -size geometry width and height of image % -stereo combine two images to form red-green stereo image % -treedepth value depth of the color classification tree % -verbose print detailed information about the image % % Change '-' to '+' in any option above to reverse its effect. For % example, specify +matte to store the image without its matte channel. % % */ #include "magick.h" #include "image.h" #include "utility.h" #include "X.h" /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % U s a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Procedure Usage displays the program usage; % % The format of the Usage routine is: % % Usage() % % */ static void Usage() { char **p; static char *options[]= { "-blend value blend the two images a given percent", "-colors value preferred number of colors in the image", "-colorspace type GRAY, OHTA, RGB, XYZ, YCbCr, YIQ, YPbPr, or YUV", "-comment string annotate image with comment", "-compose operator composite operator", "-compress type RunlengthEncoded or QEncoded", "-density geometry vertical and horizontal density of the image", "-display server obtain image or font from this X server", "-dither apply Floyd/Steinberg error diffusion to image", "-font name X11 font for displaying text", "-geometry geometry perferred size or location of the image", "-interlace type NONE, LINE, or PLANE", "-label name assign a label to an image", "-matte store matte channel if the image has one", "-monochrome transform image to black and white", "-page geometry size and location of the Postscript page", "-quality value JPEG quality setting", "-scene value image scene number", "-size geometry width and height of image", "-stereo combine two images to form red-green stereo image", "-treedepth value depth of the color classification tree", "-verbose print detailed information about the image", (char *) NULL }; (void) printf("Version: %s\n\n",Version); (void) printf( "Usage: %s [options ...] input_file1 input_file2 output_file\n", client_name); (void) printf("\nWhere options include:\n"); for (p=options; *p != (char *) NULL; p++) (void) printf(" %s\n",*p); (void) printf( "\nChange '-' to '+' in any option above to reverse its effect. For\n"); (void) printf( "example, specify +matte to store the image without an matte channel.\n"); exit(1); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a i n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ int main(argc,argv) int argc; char *argv[]; { #define NotInitialized (unsigned int) (~0) char *filename, *geometry, *option, *write_filename; double blend; Image *alpha_image, *beta_image, *combined_image; ImageInfo image_info; int i, status, x; unsigned int colorspace, compose, stereo; unsigned long total_colors; /* Initialize program variables. */ client_name=ClientName(*argv); if (argc < 4) Usage(); /* Read image and convert to MIFF format. */ alpha_image=(Image *) NULL; beta_image=(Image *) NULL; blend=0.0; colorspace=RGBColorspace; compose=ReplaceCompositeOp; geometry=(char *) NULL; GetImageInfo(&image_info); stereo=False; write_filename=argv[argc-1]; /* Check command syntax. */ filename=(char *) NULL; for (i=1; i < (argc-1); i++) { option=argv[i]; if (((int) strlen(option) < 2) || ((*option != '-') && (*option != '+'))) { /* Read input images. */ filename=argv[i]; (void) strcpy(image_info.filename,filename); if (alpha_image == (Image *) NULL) { alpha_image=ReadImage(&image_info); if (alpha_image == (Image *) NULL) exit(1); continue; } if (beta_image != (Image *) NULL) Error("input images already specified",filename); beta_image=ReadImage(&image_info); if (beta_image == (Image *) NULL) exit(1); } else switch(*(option+1)) { case 'b': { if (strncmp("blend",option+1,3) == 0) { blend=0.0; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing value on -blend",(char *) NULL); blend=atof(argv[i]); } break; } Error("Unrecognized option",option); break; } case 'c': { if (strncmp("colors",option+1,7) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing colors on -colors",(char *) NULL); } break; } if (strncmp("colorspace",option+1,7) == 0) { colorspace=RGBColorspace; if (*option == '-') { i++; if (i == argc) Error("Missing type on -colorspace",(char *) NULL); option=argv[i]; colorspace=UndefinedColorspace; if (Latin1Compare("gray",option) == 0) colorspace=GRAYColorspace; if (Latin1Compare("ohta",option) == 0) colorspace=OHTAColorspace; if (Latin1Compare("rgb",option) == 0) colorspace=RGBColorspace; if (Latin1Compare("xyz",option) == 0) colorspace=XYZColorspace; if (Latin1Compare("ycbcr",option) == 0) colorspace=YCbCrColorspace; if (Latin1Compare("yiq",option) == 0) colorspace=YIQColorspace; if (Latin1Compare("ypbpr",option) == 0) colorspace=YPbPrColorspace; if (Latin1Compare("yuv",option) == 0) colorspace=YUVColorspace; if (colorspace == UndefinedColorspace) Error("Invalid colorspace type on -colorspace",option); } break; } if (strncmp("comment",option+1,4) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing comment on -comment",(char *) NULL); } break; } if (strncmp("compose",option+1,5) == 0) { compose=ReplaceCompositeOp; if (*option == '-') { i++; if (i == argc) Error("Missing type on -compose",(char *) NULL); option=argv[i]; compose=UndefinedCompositeOp; if (Latin1Compare("over",option) == 0) compose=OverCompositeOp; if (Latin1Compare("in",option) == 0) compose=InCompositeOp; if (Latin1Compare("out",option) == 0) compose=OutCompositeOp; if (Latin1Compare("atop",option) == 0) compose=AtopCompositeOp; if (Latin1Compare("xor",option) == 0) compose=XorCompositeOp; if (Latin1Compare("plus",option) == 0) compose=PlusCompositeOp; if (Latin1Compare("minus",option) == 0) compose=MinusCompositeOp; if (Latin1Compare("add",option) == 0) compose=AddCompositeOp; if (Latin1Compare("subtract",option) == 0) compose=SubtractCompositeOp; if (Latin1Compare("difference",option) == 0) compose=DifferenceCompositeOp; if (Latin1Compare("replace",option) == 0) compose=ReplaceCompositeOp; if (compose == UndefinedCompositeOp) Error("Invalid compose type on -compose",option); } break; } if (strncmp("compress",option+1,3) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing type on -compress",(char *) NULL); option=argv[i]; if (Latin1Compare("runlengthencoded",option) == 0) break; else if (Latin1Compare("qencoded",option) == 0) break; else Error("Invalid compression type on -compress",option); } break; } Error("Unrecognized option",option); break; } case 'd': { if (strncmp("density",option+1,3) == 0) { image_info.density=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -density",(char *) NULL); image_info.density=argv[i]; } break; } if (strncmp("display",option+1,3) == 0) { image_info.server_name=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing server name on -display",(char *) NULL); image_info.server_name=argv[i]; } break; } if (strncmp("dither",option+1,3) == 0) { image_info.dither=(*option == '-'); break; } Error("Unrecognized option",option); break; } case 'f': { image_info.font=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing font name on -font",(char *) NULL); image_info.font=argv[i]; } break; } case 'g': { if (strncmp("geometry",option+1,2) == 0) { geometry=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -geometry",(char *) NULL); geometry=argv[i]; } break; } Error("Unrecognized option",option); break; } case 'h': { if (strncmp("help",option+1,2) == 0) { Usage(); break; } Error("Unrecognized option",option); break; } case 'i': { if (strncmp("interlace",option+1,3) == 0) { image_info.interlace=NoneInterlace; if (*option == '-') { i++; if (i == argc) Error("Missing type on -interlace",(char *) NULL); option=argv[i]; image_info.interlace=UndefinedInterlace; if (Latin1Compare("none",option) == 0) image_info.interlace=NoneInterlace; if (Latin1Compare("line",option) == 0) image_info.interlace=LineInterlace; if (Latin1Compare("plane",option) == 0) image_info.interlace=PlaneInterlace; if (image_info.interlace == UndefinedInterlace) Error("Invalid interlace type on -interlace",option); } break; } Error("Unrecognized option",option); break; } case 'm': { if (strncmp("matte",option+1,5) == 0) break; if (strncmp("monochrome",option+1,2) == 0) break; Error("Unrecognized option",option); break; } case 'l': { if (strncmp("label",option+1,2) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing label name on -label",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'p': { if (strncmp("page",option+1,3) == 0) { image_info.page=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing page geometry on -page",(char *) NULL); image_info.page=PostscriptGeometry(argv[i]); } break; } Error("Unrecognized option",option); break; } case 'q': { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing quality on -quality",(char *) NULL); image_info.quality=atoi(argv[i]); break; } case 's': { if (strncmp("scene",option+1,2) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing scene number on -scene",(char *) NULL); } break; } if (strncmp("size",option+1,2) == 0) { image_info.size=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -size",(char *) NULL); image_info.size=argv[i]; } break; } if (strncmp("stereo",option+1,2) == 0) { stereo=(*option == '-'); break; } Error("Unrecognized option",option); break; } case 't': { if (strncmp("treedepth",option+1,3) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing depth on -treedepth",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'v': { image_info.verbose=(*option == '-'); break; } case '?': { Usage(); break; } default: { Error("Unrecognized option",option); break; } } } if ((alpha_image == (Image *) NULL) || (beta_image == (Image *) NULL)) Usage(); if (blend != 0.0) { register RunlengthPacket *p; unsigned short index; /* Create mattes for blending. */ index=((int) DownScale(MaxRGB)*blend)/100; alpha_image->class=DirectClass; alpha_image->matte=True; p=alpha_image->pixels; for (i=0; i < alpha_image->packets; i++) { p->index=index; p++; } index=(int) DownScale(MaxRGB)-((int) DownScale(MaxRGB)*blend)/100; beta_image->class=DirectClass; beta_image->matte=True; p=beta_image->pixels; for (i=0; i < beta_image->packets; i++) { p->index=index; p++; } compose=BlendCompositeOp; } /* Combine image. */ if (stereo) combined_image=StereoImage(alpha_image,beta_image); else { int x_offset, y_offset; unsigned int size; /* Digitally composite image. */ x_offset=0; y_offset=0; if (geometry != (char *) NULL) (void) XParseGeometry(geometry,&x_offset,&y_offset,&size,&size); CompositeImage(beta_image,compose,alpha_image,x_offset,y_offset); combined_image=beta_image; } if (combined_image == (Image *) NULL) exit(1); /* Write image. */ total_colors=0; (void) strcpy(combined_image->filename,write_filename); /* Transmogrify image as defined by the image processing options. */ MogrifyImage(&image_info,argc,argv,&combined_image); status=WriteImage(&image_info,combined_image); if (image_info.verbose) DescribeImage(combined_image,stderr,False); free((char *) image_info.filename); exit(0); return(False); } { i++; if (i == argc) Error("Missing type on -compose",(char *) NULL); option=argv[i]; compose=UndefinedCompositeOp; if (Latin1Compare("over",option) == 0) compose=OverCompositeOp; if (Latin1Compare("in",option) == 0) compose=InCompositeOp; if (Latin1Compare(./ImageMagick/Make.com010064400000240000024000000147460567507760200156760ustar00cristycristy00002330000007$! $! Make ImageMagick X image utilities for VMS. $! $ $define/nolog X11 decw$include: $define/nolog sys sys$library: $link_options="/nodebug/notraceback" $define/nolog lnk$library sys$library:vaxcrtl $ $write sys$output "Making in [.magick]" $set default [.magick] $@make $set default [-] $if ((p1.nes."").and.(p1.nes."DISPLAY")) then goto SkipDisplay $write sys$output "Making Display..." $call Make display $ $link'link_options' display,[.magick]widget,[.magick]X,[.magick]image, - [.magick]shear,[.magick]segment,[.magick]quantize,[.magick]colors, - [.magick]signature,[.magick]decode,[.magick]encode,[.magick]compress, - [.magick]utility,[.magick]error,[.magick]PreRvIcccm,[.magick]vms, - sys$input:/opt sys$share:decw$xlibshr.exe/share $ $display:==$'f$environment("default")'display $write sys$output "..symbol DISPLAY defined." $ $SkipDisplay: $if ((p1.nes."").and.(p1.nes."IMPORT")) then goto SkipImport $write sys$output "Making Import..." $call Make import $ $link'link_options' import,[.magick]widget,[.magick]X,[.magick]image, - [.magick]shear,[.magick]segment,[.magick]quantize,[.magick]colors, - [.magick]signature,[.magick]decode,[.magick]encode,[.magick]compress, - [.magick]utility,[.magick]error,[.magick]PreRvIcccm,[.magick]vms, - sys$input:/opt sys$share:decw$xlibshr.exe/share $ $import:==$'f$environment("default")'import $write sys$output "..symbol IMPORT defined." $SkipImport: $ $if ((p1.nes."").and.(p1.nes."ANIMATE")) then goto SkipAnimate $write sys$output "Making Animate..." $call Make animate $ $link'link_options' animate,[.magick]widget,[.magick]X,[.magick]image, - [.magick]shear,[.magick]segment,[.magick]quantize,[.magick]colors, - [.magick]signature,[.magick]decode,[.magick]encode,[.magick]compress, - [.magick]utility,[.magick]error,[.magick]PreRvIcccm,[.magick]vms, - sys$input:/opt sys$share:decw$xlibshr.exe/share $ $animate:==$'f$environment("default")'animate $write sys$output "..symbol ANIMATE defined." $ $SkipAnimate: $if ((p1.nes."").and.(p1.nes."MONTAGE")) then goto SkipMontage $write sys$output "Making Montage..." $call Make montage $ $link'link_options' montage,[.magick]widget,[.magick]X,[.magick]image, - [.magick]shear,[.magick]segment,[.magick]quantize,[.magick]colors, - [.magick]signature,[.magick]decode,[.magick]encode,[.magick]compress, - [.magick]utility,[.magick]error,[.magick]PreRvIcccm,[.magick]vms, - sys$input:/opt sys$share:decw$xlibshr.exe/share $ $montage:==$'f$environment("default")'montage $write sys$output "..symbol MONTAGE defined." $ $SkipMontage: $if ((p1.nes."").and.(p1.nes."MOGRIFY")) then goto SkipMogrify $write sys$output "Making Mogrify..." $call Make mogrify $ $link'link_options' mogrify,[.magick]widget,[.magick]X,[.magick]image, - [.magick]shear,[.magick]segment,[.magick]quantize,[.magick]colors, - [.magick]signature,[.magick]decode,[.magick]encode,[.magick]compress, - [.magick]utility,[.magick]error,[.magick]PreRvIcccm,[.magick]vms, - sys$input:/opt [.jpeg]libjpeg.olb/lib [.tiff]libtiff.olb/lib [.xpm]xpm.olb/lib sys$share:decw$xlibshr.exe/share $ $mogrify:==$'f$environment("default")'mogrify $write sys$output "..symbol MOGRIFY defined." $ $SkipMogrify: $if ((p1.nes."").and.(p1.nes."CONVERT")) then goto SkipConvert $write sys$output "Making Convert..." $call Make convert $ $link'link_options' convert,[.magick]widget,[.magick]X,[.magick]image, - [.magick]shear,[.magick]segment,[.magick]quantize,[.magick]colors, - [.magick]signature,[.magick]decode,[.magick]encode,[.magick]compress, - [.magick]utility,[.magick]error,[.magick]PreRvIcccm,[.magick]vms, - sys$input:/opt sys$share:decw$xlibshr.exe/share $ $convert:==$'f$environment("default")'convert $write sys$output "..symbol CONVERT defined." $SkipConvert: $if ((p1.nes."").and.(p1.nes."IDENTIFY")) then goto SkipIdentify $write sys$output "Making Identify..." $call Make identify $ $link'link_options' identify,[.magick]widget,[.magick]X,[.magick]image, - [.magick]shear,[.magick]segment,[.magick]quantize,[.magick]colors, - [.magick]signature,[.magick]decode,[.magick]encode,[.magick]compress, - [.magick]utility,[.magick]error,[.magick]PreRvIcccm,[.magick]vms, - sys$input:/opt sys$share:decw$xlibshr.exe/share $ $identify:==$'f$environment("default")'identify $write sys$output "..symbol IDENTIFY defined." $SkipIdentify: $if ((p1.nes."").and.(p1.nes."COMBINE")) then goto SkipCombine $write sys$output "Making Combine..." $call Make combine $ $link'link_options' combine,[.magick]widget,[.magick]X,[.magick]image, - [.magick]shear,[.magick]segment,[.magick]quantize,[.magick]colors, - [.magick]signature,[.magick]decode,[.magick]encode,[.magick]compress, - [.magick]utility,[.magick]error,[.magick]PreRvIcccm,[.magick]vms, - sys$input:/opt sys$share:decw$xlibshr.exe/share $ $combine:==$'f$environment("default")'combine $write sys$output "..symbol COMBINE defined." $SkipCombine: $if ((p1.nes."").and.(p1.nes."SEGMENT")) then goto SkipSegment $write sys$output "Making Segment..." $call Make segment $ $link'link_options' segment,[.magick]widget,[.magick]X,[.magick]image, - [.magick]shear,[.magick]segment,[.magick]quantize,[.magick]colors, - [.magick]signature,[.magick]decode,[.magick]encode,[.magick]compress, - [.magick]utility,[.magick]error,[.magick]PreRvIcccm,[.magick]vms, - sys$input:/opt [.jpeg]libjpeg.olb/lib [.tiff]libtiff.olb/lib [.xpm]xpm.olb/lib sys$share:decw$xlibshr.exe/share $ $segment:==$'f$environment("default")'segment $write sys$output "..symbol SEGMENT defined." $SkipSegment: $type sys$input Use this command to specify which X server to contact: $set display/create/node=node_name:: or $set display/create/node=nodename/transport=tcpip This can be done automatically from your LOGIN.COM with the following command: $if (f$trnlmn("sys$rem_node").nes."") then - $ set display/create/node='f$trnlmn("sys$rem_node")' $exit $ $Make: subroutine $! $! A very primitive "make" (or MMS) hack for DCL. $! $if (p1.eqs."") then exit $source_file=f$search(f$parse(p1,".c")) $if (source_file.nes."") $ then $ object_file=f$parse(source_file,,,"name")+".obj" $ object_file=f$search( object_file ) $ if (object_file.nes."") $ then $ object_time=f$file_attribute(object_file,"cdt") $ source_time=f$file_attribute(source_file,"cdt") $ if (f$cvtime(object_time).lts.f$cvtime(source_time)) then - $ object_file="" $ endif $ if (object_file.eqs."") $ then $ write sys$output "Compiling ",p1 $ cc/nodebug/optimize/include_directory=[.magick] 'source_file' $ endif $ endif $exit $endsubroutine ./ImageMagick/www/004077500000240000024000000000000602114536100151165ustar00cristycristy00002330000007./ImageMagick/www/Magick.html010064400000240000024000000351300601617323700172030ustar00cristycristy00002330000007 ImageMagick Frquently Asked Questions

ImageMagick Frequently Asked Questions
  1. I received the following message, "?????? translation failed ...". What does it mean?
  2. How can I improve the appearance of 24-bit images displayed on my colormapped X server?
  3. How do I set the transparency index in a GIF image so it displays properly within Mosaic?
  4. How can I stop the filenames from changing in the title bar of the animate(1) image window?
  5. The image grabbed by import(1) does not look like the image on my X server. What's wrong
  6. How do I animate a digital YUV image sequence?
  7. How do I view only the red channel of an RGB image?
  8. How do I change the default PostScript page size?
  9. I am trying to display a sequence of 100 images and I run out of memory. What can I do?
  10. How do I concatenate three images left-to-right with no borders, frames, or text?
  11. Unfortunately I have no choice but to work on an RS6000 under AIX. Display(1) hangs the X server. What can I do?
  12. When I display a PostScript image it appears to be trimmed. I would like the display the entire page, including any white space.
  13. What are visual image directories? How do I use them?
  14. I have an HP. How do I take advantage of the Color Recovery option?
  15. I use the window ID reported by xwininfo(1) with import and it does include the window manager frame as expected. How can I save the window with its frame?
  16. I displayed an image and it appears as one solid color. What did I do wrong?
  17. I received the following message, "???? library is not available ...". What does it mean?
  18. I want to inspect the values of the matte channel within my image. How can I do that?
1. I received the following message, "?????? translation failed ...". What does it mean?

ImageMagick uses several freely available packages to perform the translation of certain image formats (PostScript, PICT, etc.). Make sure these packages are available as described in the README file. Also verify that you have plenty of temporary disk space. If not, set the TMPDIR environment variable to an area where space is available. Finally, for PostScript, verify that the document contains valid PostScript statements.
2. How can I improve the appearance of 24-bit images displayed on my colormapped X server?

If you have a colormapped X server, the number of unique colors in an image must first be reduced to match the requirements of your server before it can be displayed. Display tries to make the color reduced image closely resemble the original. However, there are some options that may improve the appearance.

You can use a private colormap. By default, your image must share colors with existing applications on your X server. The colors in your image may be very different than the shared colors and the results may be visually unsatisfactory. Try 

      display -colormap private image.miff
The disadvantage is the annoying colormap loading and unloading as you move your pointer in and out of the image window.

The YCbCr colorspace may give better results when color reducing images of people faces. Try 

      display -colorspace YCbCr image.miff

If you intend to view an image frequently, reduce the number of colors to match the resolution of your X server once and write to a new image. Then display this new image. For example, 

      convert -colors 256 -dither image.jpeg image.miff
      display image.miff

This forces the time-consuming process of color reducing the image to one-time, rather than each time the image is displayed.
3. How do I set the transparency index in a GIF image so it displays properly within Mosaic?

Display your GIF image with display. Choose Matte from the Image Edit command menu and identify a pixel that has the transparency color. Press Method and select a matte edit method from a pop-up menu. Choose from these methods: 

      point
      replace
      floodfill

The point method changes the matte value of any pixel selected with the pointer until the button is is released. The replace method changes the matte value of any pixel that matches the color of the pixel you select with a button press. Floodfill changes the matte value of any pixel that matches the color of the pixel you select with a button press and is a neighbor.

Select your transparent pixel with the pointer and press a button. The image is redisplayed with any transparent pixels recolored to the background color. You can select other pixels or areas to force to transparent. When you are satisfied, press Return.

Finally, choose Write from the command menu and write your GIF image to a file. Note that setting transparency works best on a TrueColor or DirectColor visual. If your server only exports colormapped visuals you will need to use a Standard Colormap to set transparency. 

      xstdcmap -best
      display -map list image.gif
        choose Matte Edit  
        select your transparent pixel then press Return  
        choose Write
If you do not have the xstdcmap(1) program, try 

      display -visual TrueColor image.gif
4. How can I stop the filenames from changing in the title bar of the animate(1) image window?

Animate updates the image file name in the title bar of the image window as each image is displayed from the image sequence. To display just a single name that will not change, use -title: 

      animate -title "My Image Sequence" images.
5. The image grabbed by import(1) does not look like the image on my X server. What's wrong?

Use the -desend option: 

      import -descend image.miff
or set this X resource: 

      import.descend:  True

By default, import quickly grabs the image from the X server. However, it may not always have the correct colors in some areas. This can happen when a subwindow has a different colormap than its parent. With -descend, import descends the window hierarchy. Descending involves grabbing the image and colormap of each window or subwindow associated with the window you select and compositing it on a blank canvas. This can be significantly slower than just grabbing the top-level window but guarentees the correct image.
6. How do I animate a digital YUV image sequence?

Suppose your sequence is 72 352x240 frames titled frame0.Y, frame0.U, frame0.V, frame1.Y, frame1.U, etc. Use this command: 

      animate -geometry 352x240 -scene 0-71 yuv3:frame%d
7. How do I view only the red channel of an RGB image? 

      display -gamma 1.0,0.0,0.0 image.miff
8. How do I change the default PostScript page size?

The default dimensions of a PostScript page is 612x792. If you prefer another default, change the page geometries in magick/image.h and recompile.
9. I am trying to display a sequence of 100 images and I run out of memory. What can I do?

The simplest thing to do is to increase your virtual memory by expanding your swap partition.

ImageMagick is designed to be general purpose. It can display many image storage formats (Monochrome, PseudoColor, or TrueColor) on many different types of X visuals (StaticGray, StaticColor, PseudoColor, GrayScale, DirectColor, or TrueColor). To support all these combinations of image storage formats and X visuals, extra memory is required. In fact, each image requires 6 bytes per pixel to store in memory. Additionally, animate and montage store an entire image sequence in memory.

For animation, consider using the MPEG programs from Berkeley if you encounter memory limitations with animate. It only stores a few frames at a time in memory. Convert has an option to create the proper CCIR 601 2:1:1 files as input to the MPEG program. However, the CCIR 601 2:1:1 image format is lossy. Computer generated images may not look very good.
10. How do I concatenate three images left-to-right with no borders, frames, or text?

Assume your two images are called image1.ppm, image2.ppm, and image3.ppm. Type 

    montage +frame +shadow +label  +geometry -tile 3x1 \
        image1.ppm image2.ppm image3.ppm concatenated.ppm
Choose a geometry which is appropriate for your images.
11. Unfortunately I have no choice but to work on an RS6000 under AIX. Display hangs the X server. What can I do?

Display is fine. The problem is a bug in the AIX X11-R5 runtime environment. Contact AIX defective support and ask for PTF U427948 and U433804.
12. When I display a PostScript image it appears to be trimmed. I would like the display the entire page, including any white space.

ImageMagick automatically trims any PostScript image as defined by the bounding box. To preempt this behavior, explicitly set the page size. For example, 

      display -page letter image.ps
13. What are visual image directories? How do I use them?

A visual image directory (VID) is an image that contains thumbnails of one or more images in a file directory. Rather than displaying each individual image at its full resolution, you can browse the visual image directory and choose an image to display. You can create a VID with either of these commands: 

      montage *.jpg directory.vid convert 'vid:*.jpg' directory.vid

Of course you can substitute any filenames you desire. Montage has many relevant command line option. You can exercise more control over the appearance of the VID than with convert.

Next display the directory: 

      display directory.vid

Finally browse and select an image to display. Move the pointer to the image and press button 3.

You can create the VID directory with this command: 

      display 'vid:*.jpg'

You can also select Visual Image... from the File menu of the command widget.

Note, that creating a VID is time consuming. Creating them on-the-fly within display may be less convenient than using montage or convert . Also, if you create them with montage. or convert, you can reuse them as often as necessary.

Note that a visual image directory is useful for looking at individual frames of an image sequence: 

      display vid:movie.mpg
14. I have an HP. How do I take advantage of the Color Recovery option?

Type 

      display -map list image.miff
If you want to use Color Recovery all the time, put this in your X defaults file: 

      display.map: list

Now if you need to turn off Color Recovery temporarily, type 

      display +dither image.miff
15. I use the window ID reported by xwininfo(1) with import and it does include the window manager frame as expected. How can I save the window with its frame?

By default, xwininfo(1) returns the ID of the window you click on. Use the -frame option to get the reparented window ID: 

  xwininfo -frame
You can then use the returned window ID with import: 

  import -frame -window ID window.miff
16. I displayed an image and it appears as one solid color. What did I do wrong?

A blank image generally means that the image is either corrupt or it has a matte channel and the matte values are all zero. ImageMagick treats a matte value of zero as completely transparent. To determine if this is the problem, try 

  display +matte image.miff
17. I received the following message, "???? library is not available ...". What does it mean?

ImageMagick requires source libraries not included with the distribution to view or convert certain image formats such as JPEG or TIFF. The above message means you did not compile the required library and link with the ImageMagick utilites. See README for the location of these libraries and compiling instructions. Be sure to delete decode.o and encode.o before recompiling: 

  cd ImageMagick
  rm magick/decode.o magick/encode.o
  make
18. I want to inspect the values of the matte channel within my image. How can I do that?

View the matte image as a gray scale image. Suppose you have a TIFF image that has a matte channel and is 640 pixels in width and 480 in height. Type: 

  convert image.tiff image.matte
  display -size 640x480 gray:image.matte

[home page] ixel that has the transparency color. Press Method and select a matte edit method from a pop-up menu. Choose from these methods: 

      point
      replace
      floodfill

The point method changes the matte value of any pixel selected with the pointer until the button is is released. The replace method changes the matte value of any pixel that matches the color of the p./ImageMagick/www/README.html010064400000240000024000000563150602167704400167560ustar00cristycristy00002330000007 ImageMagick-3.6.5 README

ImageMagick-3.6.5 README

"I swear by my life and my love of it that I will never live for the sake of another man, nor ask another man to live for mine."

John Galt in Atlas Shrugged, by Ayn Rand
Author

The author is cristy@dupont.com. This software is NOT shareware. However, I am interested in who might be using it. Please consider sending me a picture postcard of the area where you live. Send postcards to 

      John Cristy
      5 Middleton Lane
      Landenberg, PA  19350
      USA
Availability

ImageMagick, version 3.6.5, is available on ftp.x.org . I want ImageMagick to be of high quality, so if you encounter a problem I will investigate. However, be sure you are using the most recent version from ftp.x.org, or a mirror site, before submitting any bug reports or suggestions.
WWW

The official ImageMagick WWW page is at www.wizards.dupont.com. Another useful ImageMagick WWW page is The Imaging Machine

To use display as your external image viewer, edit the global mailcap file or your personal mailcap file .mailcap (located in your home directory) and put this entry: 
      image/*; display %s
UNIX Compilation

Type: 
      gunzip ImageMagick-3.6.5.tar.gz
      tar xvf ImageMagick-3.6.5.tar
      cd ImageMagick
      edit magick/X.h and verify the RGBColorDatabase define
      xmkmf
      make Makefiles
      make depend
      make -k

If you do not have gunzip(1), it is available on prep.ai.mit.edu. If you do not have xmkmf(1), or if xmkmf(1) fails to produce usable Makefiles, type 
      configure
      make
Finally type: 
      display images/aquarium.miff
      display -monochrome -dither images/aquarium.miff
The aquarium and other images are available from anonymous FTP at ftp.x.org. If the image colors are not correct use this command 
      display -visual default images/aquarium.miff
You can find other example images in the images directory.

For additional information, see the manual pages for these ImageMagick utilities

Also read the ImageMagick Frequently Asked Questions This is a required reading. Most of the questions I get via electonic mail are answered in this document.

Place display X application defaults in /usr/lib/X11/app-defaults/Display. Use the appropriate name for other clients (e.g. Animate, Montage, etc).

The ImageMagick utilities read and write MIFF images. Refer to the end of this message for more information about MIFF. Use convert to convert images to and from the MIFF format.

ImageMagick utilities recognizes these image formats:

* AVS - AVS X image file.
* BMP - Microsoft Windows bitmap image file.
* CMYK - Raw cyan, magenta, yellow, and black bytes.
* EPS - Adobe Encapsulated PostScript file.
* EPSF - Adobe Encapsulated PostScript file.
* EPSI - Adobe Encapsulated PostScript Interchange format.
* FAX - Group 3.
* FITS - Flexible Image Transport System.
* GIF - Compuserve Graphics image file.
* GIF87 - Compuserve Graphics image file (version 87a).
* GRAY - Raw gray bytes.
* HDF - Hierarchical Data Format.
* HISTOGRAM
* JPEG - Joint Photographic Experts Group file interchange format.
* MAP - colormap intensities and indices.
* MATTE - Raw matte bytes.
* MIFF - Magick image file format.
* MTV -
* NULL - NULL image.
* PCD - Photo CD.
* PCX - ZSoft IBM PC Paintbrush file.
* PDF - Portable Document Format.
* PICT - Apple Macintosh QuickDraw/PICT file.
* PNG - Portable Network Graphics.
* PNM - Portable bitmap.
* PS - Adobe PostScript file.
* PS2 - Adobe Level II PostScript file.
* RAD - Radiance image file.
* RGB - Raw red, green, and blue bytes.
* RGBA - Raw red, green, blue, and matte bytes.
* RLE - Utah Run length encoded image file; read only.
* SGI - Irix RGB image file.
* SUN - SUN Rasterfile.
* TEXT - raw text file; read only.
* TGA - Truevision Targa image file.
* TIFF - Tagged Image File Format.
* TILE - tile image with a texture.
* VICAR - read only.
* VID - Visual Image Directory.
* VIFF - Khoros Visualization image file.
* X - select image from X server screen.
* XC - constant image of X server color.
* XBM - X11 bitmap file.
* XPM - X11 pixmap file.
* XWD - X Window System window dump image file.
* YUV - CCIR 601 1:1:1 file.
* YUV3 - CCIR 601 2:1:1 files.

and for your convenience automatically converts most of these alien image format to MIFF at execution time. However, the MIFF image format has several advantages over most image formats (i.e. runlength encoding, visual image directories, digital signature on an image colormap, etc.). ImageMagick is designed to exploit these advantages. Whenever possible convert an alien image format to the MIFF format before using the various ImageMagick programs.

Other formats may also be recognized. See convert for a list of valid image formats. You can specify a particular image format by prefixing the image filename with the image type and a colon (i.e. ps:image).
Extra Programs and Libraries

To further enhance the capabilities of ImageMagick, you may want to get these programs or libraries:

Background Texture

ImageMagick requires a background texture for the TILE format and for the -texture option of montage. You can use your own or get samples or get additional samples from KPT.

GET

ImageMagick requires get to read images specified with a World Wide Web (WWW) uniform resource locator (URL). Get(1) must be in /usr/local/bin. See WWWcommand in magick/image.h to change its location. Note: do not confuse this get program with SCCS get program. If you do not have a HTTP server, you can use xtp, available in the ImageMagick distribution, for URL's whose protocol is FTP.

HDF

ImageMagick requires the NCSA HDF library to read and write the HDF image format.

JBIG

ImageMagick requires the JBIG-Kit software to read and write the JBIG image format.

JPEG

ImageMagick requires the Independent JPEG Group's software to read and write the JPEG image format.

MPEG

ImageMagick requires the MPEG library to read the MPEG image format.

PICTTOPPM

ImageMagick requires picttoppm to read Macintosh PICT images.

Postscript

ImageMagick requires GNU's Ghostscript software to read the PostScript or the Portable Document format. For ImageMagick to read PostScript files, gs(1) must be in your execution path and the pbmraw and ppmraw devices must be recognized. To verify, type: 
      gs -h

If they are not defined, add them to your DEVICE_DEVS define in your Ghostscript Makefile and recompile (i.e. DEVICE_DEVS=x11.dev pbmraw.dev ppmraw.dev).

For ImageMagick to read Portable Document Format files, the PDF language interpreter must be recognized. To verify, type: 
      gs -h
If PDF is not interpreted, add pdf.dev to the FEATURE_DEVS define in your Ghostscript Makefile and recompile.

PNG

ImageMagick requires the PNG and ZLIB library to read the PNG image format. See Portable Network Graphics for more details.

RA_PPM

ImageMagick requires ra_ppm from Greg Ward's Radiance software to read the Radiance image format.

RAWTORLE

ImageMagick requires rawtorle from the Utah Raster Toolkit to write the RLE image format.

TIFF

ImageMagick requires Sam Leffler's TIFF software to read and write the TIFF image format.

XPM

ImageMagick requires Arnaud Le Hors XPM software to read the XPM image format.
How to Compile

To display images in the HDF, JPEG, MPEG, PNG, TIFF, or XPM format, get the HDF, JPEG, MPEG, PNG, TIFF, or XPM archives and build ImageMagick as follows:

HDF 

      cd ImageMagick
      mkdir hdf
      cd hdf
      zcat HDF3.3r4.tar.Z | tar xvf -
      cp HDF3.3r4/hdf/src/* .
        edit Makefile; define machine type; for Solaris 2.?
        comment out memory.h in hdf/hdfi.h
      make libnofortran
      cd ..

JBIG 

      cd ImageMagick
      gunzip -c jbigkit-0.7.tar.gz | tar xvof -
      mv jbig-kit jbig
      cd jbig
      make
      cd ..

JPEG 

      cd ImageMagick
      gunzip -c jpegsrc.v6.tar.gz | tar xvof -
      mv jpeg-6 jpeg
      cd jpeg
      configure CC=cc -with-maxmem=7
      make
      cd ..

MPEG 

      cd ImageMagick
      mkdir mpeg
      cd mpeg
      gunzip -c mpeg_lib-1.1.tar.gz | tar xvof -
      mv mpeg_lib/* .
        edit Makefile as instructed; for Solaris use the
        BSD-compatibility libraries or replace bzero with a call to
        memset
      make
      cd ..

PNG 

      cd ImageMagick
      gunzip -c zlib-0.95.tar.gz | tar xvf -
      cd zlib
      make
      cd ..
      mkdir png
      cd png
      gunzip -c libpng-0.81.tar.gz | tar xvf -
      make
      cd ..

TIFF 

      cd ImageMagick
      gunzip -c tiff-v3.4beta018.src.tar.Z | tar xvof -
      mv tiff-v3.4beta018 tiff
      cd tiff
      configure
      make
      cd ..

XPM 

      cd ImageMagick
      mkdir xpm
      cd xpm
      gunzip -c xpm-3.4f.tar.gz | tar xvof -
      mv xpm-3.4f/lib/* .
      xmkmf
      make
      cd ..

If your computer system supports shared libraries you must type 
      make install
If you do not have root privileges, type this instead 
      rm libXpm*
      make -f Makefile.noX
Finally, perform the following: 
      cd ImageMagick
      edit Magick.tmpl and define Has???? as instructed
      xmkmf
      make Makefiles
      make clean
      make
If you do not have xmkmf, try 
      edit Makefile.in and define Has???? as instructed
      configure
      make clean
      make -k
You can now display images in the HDF, JBIG, JPEG, MPEG, PNG, TIFF, or XPM format.

If you have HDF, JBIG, JPEG, MPEG, PNG, TIFF, and XPM sources installed as directed above, you can also type 
      Install sun
Substitute the appropriate machine type (aix, hpux, sgi, etc).
VMS Compilation

Type 
      @make
      set display/create/node=node_name::
where node_name is the DECNET X server to contact.

Finally type: 
      display [.images]aquarium.miff
      display -monochrome -dither [.images]aquarium.miff
Alternatively, get a zipped distribution (with JPEG, MPEG, TIFF, and XPM) from ftp.x.org.

The VMS JPEG, TIFF, and XPM source libraries are available on axp.psl.ku.dk in [anonymous.decwindows.lib].

Thanks to pmoreau@cenaath.cena.dgac.fr for supplying invaluable help as well as the VMS versions of the JPEG, MPEG, TIFF, and XPM libraries.
Animation

An example animation sequence is available from ftp.x.org. Or alternatively, you can create this sequence yourself. Just look at README in the scenes directory.

To prevent color flashing on visuals that have colormaps, animate(1) creates a single colormap from the image sequence. This can be rather time consuming. You can speed this operation up by reducing the colors in the image before you animate them. Use mogrify to color reduce the images: 
      mogrify -colors 256 scenes/dna.[0-9]*
Note, the image sequence in ImageMagick.animation.tar.gz is already reduced. Alternatively, you can use a Standard Colormap; or a static, direct, or true color visual. You can define a Standard Colormap with xstdcmap(1). For example, to use the "best" Standard Colormap, type: 
      xstdcmap -best
      animate -map best scenes/dna.[0-9]*
or to use a true color visual: 
      animate -visual truecolor scenes/dna.[0-9]*
Image filenames can appear in any order on the command line if the scene keyword is specified in the MIFF image. Otherwise the images display in the order they appear on the command line. A scene is specified when converting from another image format to MIFF by using the "scene" option with any filter. Be sure to choose a scene number other than zero. For example, to convert a TIFF image to a MIFF image as scene #2, type: 
      convert -scene 2 image.tiff image.miff
16-BIT Imaging

By default, ImageMagick uses a color depth of 8 bits (e.g. [0..255]). Any 16-bit image is scaled immediately to 8-bits before any image viewing or processing occurs. If you want to work directly with 16-bit images (e.g. [0..65535]), edit Magick.tmpl or Makefile.in and define QuantumLeap as instructed in the respective file. Next type 

    make clean
    make

In 16-bit mode expect to use about 1/3 more memory on the average. Also expect some processing to be slower than in 8-bit mode (e.g. Oil Painting, Segment, etc).

In general, 16-bit mode is only useful if you have 16-bit images that you want to manipulate and save the transformed image back to a 16-bit image format (e.g. PNG, VIFF).
MIFF Image Format

MIFF is an image format which I developed. I like it because

  1. It is machine independent. It can be read on virtually any computer. No byte swapping is necessary.

  2. It has a text header. Most image formats are coded in binary and you cannot easily tell attributes about the image. Use more(1) on MIFF image files and the attributes are displayed in text form.

  3. It can handle runlength-encoded images. Although most scanned images do not benefit from runlength-encoding, most computer-generated images do. Images of mostly uniform colors have a high compression ratio and therefore take up less memory and disk space.

  4. It allows a scene number to be specified. This allows you to specify an animation sequence out-of-order on the command line. The correct order is determined by the scene number of each image.

  5. MIFF computes a digital signature for colormapped images. This is useful for animating a sequence of images on a colormapped X server. If all signatures match in the image sequence, computing a global colormap is not necessary.

  6. There is a montage keyword allowing an image to act as a visual image directory. See display(1) for more details.

One way to get an image into MIFF format is to use convert or read it from an X window using the import program. Alternatively, type the necessary header information in a file with a text editor. Next, dump the binary bytes into another file. Finally, type 
      cat header binary_image | display -write image.miff -
For example, suppose you have a raw red, green, blue image file on disk that is 640 by 480. The header file would look like this: 
      id=ImageMagick columns=640 rows=480 :
The image file would have red, green, blue tuples (rgbrgbrgb...). Refer to the display manual page for more details.
Copyright

Copyright 1995 E. I. du Pont de Nemours and Company Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. du Pont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. du Pont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty.

E. I. du Pont de Nemours and Company disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness, in no event shall E. I. du Pont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortuous action, arising out of or in connection with the use or performance of this software.
[home page] -tar.gz"> TIFF
ImageMagick requires Sam Leffler's TIFF software to read and write the TIFF image format.

XPM

ImageMagick requires Arnaud Le Hors XPM ImageMagick file transfer utility

Xtp

Contents

Synopsis

xtp [ -options ... ] <uniform resource locator>

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Description

Xtp is a utility for retrieving, listing, or printing files from a remote network site, or sending files to a remote network site. xtp performs most of the same functions as the ftp(1) program, but does not require any interactive commands. You simply specify the file transfer task on the command line and xtp performs the task automatically.

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Examples

To retrieve the file bird.jpg in directory images from host wizard.dupont.com, use: 
   xtp ftp://wizard.dupont.com/images/bird.jpg

To retrieve all the files from directory public/documents from host wizard.dupont.com, use: 
   xtp -retrieve ftp://wizard.dupont.com/documents/public/

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Options

-account password
Supply a supplemental password required by a remote system for access to resources.

-binary
retrieve files as binary. This is the default. Use +binary to retrieve files as text.

-directory
list the names of files and their attributes that match the filename component of the uniform resource locator. The filename component is processed as a regular expression.

-exclude expression
exclude files that match the regular expression.

This option applies to the -directory, -print, or -retrieve options.

-file name
store the file with this name.

Refer to the -get and -put option for more details.

-get
get files that match the filename component of the uniform resource locator. The filename component is expanded by passing it to csh(1).

This option is equivalent to using the ftp get command. However, if the filename contains globbing characters this option is equivalent to the ftp mget command. Without globbing characters, you can store the file locally with a different name by using the -file option.

-ident password
Supply a password required by a remote system. This defaults to your username and hostname.

-port number
If no port number is specified, xtp attempts to contact a FTP server at the default port. Otherwise, the specified port number is used.

-proxy hostname
access the remote host via a proxy ftpd client running on this host.

The default value of this option can be set with the environment variable xtp_proxy. See Environment for more details. Use +proxy to prevent proxy connections.

-print
print files that match the filename component of the uniform resource locator. The filename component is processed as a regular expression.

-prune
process files in the remote directory specified by the directory component of the uniform resource locator. Do not recursively search for files.

-put
put files that match the filename component of the uniform resource locator. The filename component is expanded by passing it to csh(1).

This option is equivalent to using the ftp put command. However, if the filename contains globbing characters, this option is equivalent to the ftp mput command.

Without globbing characters, you can store the file remotely with a different name by using the -file option.

-retrieve
retrieve files that match the filename component of the uniform resource locator. The filename component is processed as a regular expression.

Retrieved files are stored on your local host directory as the full name of the retrieved file. For example, if the retrieved file is named documents/xtp.man on the remote FTP server, it will appear in your remote directory as documents/xtp.man.

-timeout seconds
specifies the maximum seconds to complete your remote FTP server request. If this time expires, the program terminates. The program also terminates if one tenth of this value is exceeded while logging onto the remote FTP server.

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Regular Expressions

A regular expression is zero or more branches, separated by |. It matches anything that matches one of the branches.

A branch is zero or more pieces, concatenated. It matches a match for the first, followed by a match for the second, etc.

A piece is an atom possibly followed by *, +, or ?. An atom followed by * matches a sequence of 0 or more matches of the atom. An atom followed by + matches a sequence of 1 or more matches of the atom. An atom followed by ? matches a match of the atom, or the null pattern.

An atom is a regular expression in parentheses (matching a match for the regular expression), a range (see below), . (matching any single character), ^ (matching the null pattern at the beginning of the input pattern), $ (matching the null pattern at the end of the input pattern), a ' followed by a single character (matching that character), or a single character with no other significance (matching that character).

A range is a sequence of characters enclosed in []. It normally matches any single character from the sequence. If the sequence begins with ^, it matches any single character not from the rest of the sequence. If two characters in the sequence are separated by -, this is shorthand for the full list of ASCII characters between them (e.g. [0-9] matches any decimal digit). To include a literal ] in the sequence, make it the first character (following a possible ^). To include a literal -, make it the first or last character.

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Environment

xtp_proxy
Specifies that the remote site should be contacted by proxy. See -proxy.

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Copyright

Copyright 1995 E. I. du Pont de Nemours and Company Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. du Pont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. du Pont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty.

E. I. du Pont de Nemours and Company disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness, in no event shall E. I. du Pont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortuous action, arising out of or in connection with the use or performance of this software.

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Acknowledgements

Steve Singles, University of Delaware, for the initial implementation of this program. Henry Spencer, University of Toronto, for the implementation of the regular expression interpreter and the text in Regular Expressions.

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Authors

John Cristy, cristy@dupont.com E.I. du Pont de Nemours and Company Incorporated.

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[home page] ains globbing characters, this option is equivalent to the ftp mput command.

Without globbing characters, you can store the file remotely with a different name by using the -file./ImageMagick/www/animate.html010064400000240000024000000604460601517536600174420ustar00cristycristy00002330000007 Image animation program for X Window System

Animate

Contents

Synopsis

animate [ options ...] file [ [ options ...] file ...]

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Description

animate displays a sequence of images on any workstation display running an X server. animate first determines the hardware capabilities of the workstation. If the number of unique colors in an image is less than or equal to the number the workstation can support, the image is displayed in an X window. Otherwise the number of colors in the image is first reduced to match the color resolution of the workstation before it is displayed.

This means that a continuous-tone 24 bits-per-pixel image can display on a 8 bit pseudo-color device or monochrome device. In most instances the reduced color image closely resembles the original. Alternatively, a monochrome or pseudo-color image sequence can display on a continuous-tone 24 bits-per-pixel device.

To help prevent color flashing on X server visuals that have colormaps, animate creates a single colormap from the image sequence. This can be rather time consuming. You can speed this operation up by reducing the colors in the image before you `animate' them. Use mogrify to color reduce the images to a single colormap. See mogrify(1) for details. Alternatively, you can use a Standard Colormap; or a static, direct, or true color visual. You can define a Standard Colormap with xstdcmap. See xstdcmap(1) for details. This method is recommended for colormapped X server because it eliminates the need to compute a global colormap.

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Examples

To animate a set of images of a cockatoo, use: 
  animate cockatoo.*
To animate a cockatoo image sequence while using the Standard Colormap "best", use: 
  xstdcmap -best
  animate -map best cockatoo.*
To animate an image of a cockatoo without a border centered on a backdrop, use: 
  animate +borderwidth -backdrop cockatoo.*

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Options

-backdrop
display the image centered on a backdrop.

This backdrop covers the entire workstation screen and is useful for hiding other X window activity while viewing the image. The color of the backdrop is specified as the background color. Refer to X Resources for details.

-colormap type
the type of colormap: Shared or Private.

This option only applies when the default X server visual is PseudoColor or GrayScale. Refer to -visual for more details. By default, a shared colormap is allocated. The image shares colors with other X clients. Some image colors could be approximated, therefore your image may look very different than intended. Choose Private and the image colors appear exactly as they are defined. However, other clients may go technicolor when the image colormap is installed.

-colors value
preferred number of colors in the image.

The actual number of colors in the image may be less than your request, but never more. Note, this is a color reduction option. Images with less unique colors than specified with this option will remain unchanged. Refer to quantize for more details.

Note, options -dither, -colorspace, and -treedepth affect the color reduction algorithm.

-colorspace value
the type of colorspace: GRAY, OHTA, RGB, XYZ, YCbCr, YIQ, YPbPr, or YUV.

Color reduction, by default, takes place in the RGB color space. Empirical evidence suggests that distances in color spaces such as YUV or YIQ correspond to perceptual color differences more closely than do distances in RGB space. These color spaces may give better results when color reducing an image. Refer to quantize for more details.

The -colors or -monochrome option is required for this option to take effect.

-crop <width>{%}x<height>{%}{+-}<x offset>{+-}<y offset>
preferred size and location of the cropped image. See X(1) for details about the geometry specification.

To specify a percentage width or height instead, append %. For example to crop the image by ten percent on all sides of the image, use -crop 10%.

Use cropping to apply image processing options to, or display, a particular area of an image. Use -crop 0x0 to remove edges that are the background color.

The equivalent X resource for this option is cropGeometry (class CropGeometry). See X Resources for details.

-delay seconds
display the next image after pausing.

This option is useful for regulating the displayof the sequence of images. milliseconds milliseconds must expire before the display of the next image. The default is 100 milliseconds between each frame of the image sequence.

-density <width>x<height>
vertical and horizontal resolution in pixels of the image.

This option specifies an image density when decoding a PostScript or Portable Document page. The default is 72 pixels per inch in the horizontal and vertical direction.

-display host:display[.screen]
specifies the X server to contact; see X(1).

-dither
apply Floyd/Steinberg error diffusion to the image.

The basic strategy of dithering is to trade intensity resolution for spatial resolution by averaging the intensities of several neighboring pixels. Images which suffer from severe contouring when reducing colors can be improved with this option.

The -colors or -monochrome option is required for this option to take effect.

-gamma value
level of gamma correction.

The same color image displayed on two different workstations may look different due to differences in the display monitor. Use gamma correction to adjust for this color difference. Reasonable values extend from 0.8 to 2.3.

You can apply separate gamma values to the red, green, and blue channels of the image with a gamma value list delineated with commas (i.e. 1.7,2.3,1.2).

-geometry <width>{%}x<height>{%}{+-}<x offset>{+-}<yoffset>{!}{<}{>}
preferred size and location of the Image window. See X(1) for details about the geometry specification. By default, the window size is the image size and the location is chosen by you when it is mapped.

By default, the width and height are maximum values. That is, the image is expanded or contracted to fit the width and height value while maintaining the aspect ratio of the image. Append an exclamation point to the geometry to force the image size to exactly the size you specify. For example, if you specify 640x480! the image width is set to 640 pixels and height to 480. If only one factor is specified, both the width and height assume the value.

To specify a percentage width or height instead, append %. The image size is multiplied by the width and height percentages to obtain the final image dimensions. To increase the size of an image, use a value greater than 100 (e.g. 125%). To decrease an image's size, use a percentage less than 100.

Use < to change the dimensions of the image only if its size exceeds the geometry specification. > resizes the image only if its dimensions is less than the geometry specification. For example, if you specify 640x480> and the image size is 512x512, the image size does not change. However, if the image is 1024x1024, it is resized to 640x480.

When displaying an image on an X server, <x offset> and <y offset> is relative to the root window.

The equivalent X resource for this option is geometry (class Geometry). See X Resources for details.

-interlace type
the type of interlacing scheme: NONE, LINE, or PLANE.

This option is used to specify the type of interlacing scheme for raw image formats such as RGB or YUV. NONE means do not interlace (RGBRGBRGBRGBRGBRGB...), LINE uses scanline interlacing (RRR...GGG...BBB...RRR...GGG...BBB...), and PLANE uses plane interlacing (RRRRRR...GGGGGG...BBBBBB...).

Use LINE, or PLANE to create an interlaced GIF image.

-map type
display image using this Standard Colormap type.

Choose from these Standard Colormap types: 
      best
      default
      gray
      red
      green
      blue

The X server must support the Standard Colormap you choose, otherwise an error occurs. Use list as the type and display searches the list of colormap types in top-to-bottom order until one is located. See xstdcmap(1) for one way of creating Standard Colormaps.

-monochrome
transform the image to black and white.

-scene value
image scene number.

Use this option to specify an image sequence with a single filename. See the discussion of file below for details.

-size <width>{%}x<height>{%}{+offset}{!}
width and height of the image.

Use this option to specify the width and height of raw images whose dimensions are unknown such as GRAY, RGB, or CMYK. In addition to width and height, use -size to skip any header information in the image or tell the number of colors in a MAP image file, (e.g. -size 640x512+256).

-treedepth value
Normally, this integer value is zero or one. A zero or one tells display to choose a optimal tree depth for the color reduction algorithm.

An optimal depth generally allows the best representation of the source image with the fastest computational speed and the least amount of memory. However, the default depth is inappropriate for some images. To assure the best representation, try values between 2 and 8 for this parameter. Refer to quantize for more details.

The -colors or -monochrome option is required for this option to take effect.

-verbose
print detailed information about the image.

This information is printed: image scene number; image name; image size; the image class (DirectClass or PseudoClass); the total number of unique colors; and the number of seconds to read and transform the image. Refer to miff for a description of the image class.

If -colors is also specified, the total unique colors in the image and color reduction error values are printed. Refer to quantize for a description of these values.

-visual type
display image using this visual type.

Choose from these visual classes: 
      StaticGray
      GrayScale
      StaticColor
      PseudoColor
      TrueColor
      DirectColor
      default
      visual id
The X server must support the visual you choose, otherwise an error occurs. If a visual is not specified, the visual class that can display the most simultaneous colors on the default X server screen is chosen.

-window id
set the background pixmap of this window to the image.

id can be a window id or name. Specify root to select X's root window as the target window.

By default the image is tiled onto the background of the target window. If -backdrop or -geometry are specified, the image is surrounded by the background color. Refer to X Resources for details.

The image will not display on the root window if the image has more unique colors than the target window colormap allows. Use -colors to reduce the number of colors.

In addition to those listed above, you can specify these standard X resources as command line options: -background, -bordercolor, -borderwidth, -font, -foreground, -iconGeometry, -iconic, -mattecolor, -name, or -title. See X Resources for details.

Any option you specify on the command line remains in effect until it is explicitly changed by specifying the option again with a different effect. For example, to animate two images, the first with 32 colors and the second with only 16 colors, use: 
  animate -colors 32 cockatoo.1 -colors 16 cockatoo.2
Options are processed in command line order. Any option you specify on the command line remains in effect until it is explicitly changed by specifying the option again with a different effect.

Change - to + in any option above to reverse its effect. For example, specify +dither to not apply error diffusion to an image.

By default, the image format is determined by its magic number. To specify a particular image format, precede the filename with an image format name and a colon (i.e. ps:image) or specify the image type as the filename suffix (i.e. image.ps). See convert(1) for a list of valid image formats.

When you specify X as your image type, the filename has special meaning. It specifies an X window by id, name, or root. If no filename is specified, the window is selected by clicking the mouse in the desired window.

Specify file as - for standard input, If file has the extension .Z or .gz, the file is uncompressed with uncompress or gunzip respectively. Precede the image file name with | to pipe from a system command.

Use an optional index enclosed in brackets after a file name to specify a desired subimage of a multi-resolution image format like Photo CD (e.g. img0001.pcd[4]) or a range for MPEG images (e.g. video.mpg[50-75]).

Single images are read with the filename you specify. Alternatively, you can animate an image sequence with a single filename. Define the range of the image sequence with -scene. Each image in the range is read with the filename followed by a period (.) and the scene number. You can change this behavior by embedding a printf format specification in the file name. For example, 
  -scene 0-9 image%02d.miff
animates files image00.miff, image01.miff, through image09.miff.

Image filenames may appear in any order on the command line if the image format is MIFF (refer to miff(5) and the scene keyword is specified in the image. Otherwise the images will display in the order they appear on the command line.

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Mouse Buttons

Press any button to map or unmap the Command widget. See the next section for more information about the Command widget.

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Command Widget

The Command widget lists a number of sub-menus and commands. They are

  • Animate
    • Play
    • Step
    • Repeat
    • Auto Reverse
  • Speed
    • Slower
    • Faster
  • Direction
    • Forward
    • Reverse
  • Image Info
  • Help
  • Quit

Menu items with a indented triangle have a sub-menu. They are represented above as the indented items. To access a sub-menu item, move the pointer to the appropriate menu and press a button and drag. When you find the desired sub-menu item, release the button and the command is executed. Move the pointer away from the sub-menu if you decide not to execute a particular command.

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Keyboard Accelerators 

   p    Press to animate the sequence of images.

   s    Press to display the next image in the sequence.

   .    Press to continually display the sequence of images.

   a    Press to automatically reverse the sequence of images.

   <    Press to slow the display of the images.  Refer to
        -delay for more information.

   >    Press to speed-up the display of the images.  Refer to
        -delay for more information.

   f    Press to animate in the forward direction.

   r    Press to animate in the reverse direction.

   i    Press to display information about the image.  Press
        any key or button to erase the information.

        This information is printed: image name;  image size;
        and the total number of unique colors in the image.

   h    Press to display helpful information about animate(1).

        Function keys HELP or F1 are synonymous with the

   q    Press to discard all images and exit program.

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X Resources

animate options can appear on the command line or in your X resource file. Options on the command line supersede values specified in your X resource file. See X(1) for more information on X resources.

All animate options have a corresponding X resource. In addition, the animate program uses the following X resources:

background (class Background)
Specifies the preferred color to use for the Image window background. The default is #697B8F.

borderColor (class BorderColor)
Specifies the preferred color to use for the Image window border. The default is black.

borderWidth (class BorderWidth)
Specifies the width in pixels of the Image window border. The default is 2.

font (class Font or FontList)
Specifies the name of the preferred font to use in normal formatted text. The default is 14 point Helvetica.

foreground (class Foreground)
Specifies the preferred color to use for text within the Image window. The default is black.

geometry (class geometry)
Specifies the preferred size and position of the image window. It is not necessarily obeyed by all window managers.

iconGeometry (class IconGeometry)
Specifies the preferred size and position of the application when iconified. It is not necessarily obeyed by all window managers.

iconic (class Iconic)
This resource indicates that you would prefer that the application's windows initially not be visible as if the windows had be immediately iconified by you. Window managers may choose not to honor the application's request.

matteColor (class MatteColor)
Specify the color of windows. It is used for the backgrounds of windows, menus, and notices. A 3D effect is achieved by using highlight and shadow colors derived from this color. Default value: #ddd.

name (class Name)
This resource specifies the name under which resources for the application should be found. This resource is useful in shell aliases to distinguish between invocations of an application, without resorting to creating links to alter the executable file name. The default is the application name.

sharedMemory (class SharedMemory)
This resource specifies whether animate should attempt use shared memory for pixmaps. ImageMagick must be compiled with shared memory support, and the display must support the MIT-SHM extension. Otherwise, this resource is ignored. The default is True.

text_font (class textFont)
Specifies the name of the preferred font to use in fixed (typewriter style) formatted text. The default is 14 point Courier.

title (class Title)
This resource specifies the title to be used for the Image window. This information is sometimes used by a window manager to provide some sort of header identifying the window. The default is the image file name.

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Environment

DISPLAY
To get the default host, display number, and screen.

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Copyright

Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. du Pont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. du Pont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty.

E. I. du Pont de Nemours and Company disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness, in no event shall E. I. du Pont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortuous action, arising out of or in connection with the use or performance of this software.

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Acknowledgements

The MIT X Consortium for making network transparent graphics a reality.

Michael Halle, Spatial Imaging Group at MIT, for the initial implementation of Alan Paeth's image rotation algorithm.

David Pensak, E. I. du Pont de Nemours and Company, for providing a computing environment that made this program possible.

Paul Raveling, USC Information Sciences Institute. The spacial subdivision color reduction algorithm is based on his Img software.

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Authors

John Cristy, cristy@dupont.com E.I. du Pont de Nemours and Company Incorporated.

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[home page] image format is determined by its magic number. To specify a particular image format, precede the filename with an image format name and a colon (i.e. ps:image) or specify the image type as the filename suffix (i.e. i./ImageMagick/www/combine.html010064400000240000024000000422230601612327200174170ustar00cristycristy00002330000007 ImageMagick image combining utility

Combine

Contents

Synopsis

combine [ options ... ] input_file1 input_file2 output_file

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Description

combine combine images to create new images.

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Examples

To combine a image of a cockatoo with a perch, use: 
    combine cockatoo.miff perch.ras composite.miff
To compute the difference between images in a series, use: 
    combine -compose difference series.1
    series.2 difference.miff
To combine a image of a cockatoo with a perch starting at location (100,150), use: 
combine -geometry +100+150 cockatoo.miff perch.ras composite.miff

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Options

-blend value
blend the two images a given percent.

-colors value
preferred number of colors in the image.

The actual number of colors in the image may be less than your request, but never more. Note, this is a color reduction option. Images with less unique colors than specified with this option will remain unchanged. Refer to quantize(9) for more details.

Note, options -dither, -colorspace, and -treedepth affect the color reduction algorithm.

-colorspace value
the type of colorspace: GRAY, OHTA, RGB, XYZ, YCbCr, YIQ, YPbPr, or YUV.

Color reduction, by default, takes place in the RGB color space. Empirical evidence suggests that distances in color spaces such as YUV or YIQ correspond to perceptual color differences more closely than do distances in RGB space. These color spaces may give better results when color reducing an image. Refer to quantize(9) for more details. The -colors or -monochrome option is required for this option to take effect.

-comment string
annotate an image with a comment.

By default, each image is commented with its file name. Use this option to assign a specific comment to the image. Optionally you can include the image filename, type, width, height, or scene number by embedding special format characters. Embed %f for filename, %m for magick, %w for width, %h for height, %s for scene number, or \n for newline. For example, 
    -comment "%m:%f %wx%h"
produces an image comment of MIFF:bird.miff 512x480 for an image titled bird.miff and whose width is 512 and height is 480.

If the first character of string is @, the image comment is read from a file titled by the remaining characters in the string.

-compose operator
the type of image composition.

By default, each of the composite image pixels are replaced by the cooresponding image tile pixel. You can choose an alternate composite operation: 
    over
    in
    out
    atop
    xor
    plus
    minus
    add
    subtract
    difference
    replace
How each operator behaves is described below. P is the image read as input_file1 and Q is image input_file2.

over
The result will be the union of the two image shapes, with P obscuring Q in the region of overlap.

in
The result is simply P cut by the shape of Q. None of the image data of Q will be in the result.

out
The resulting image is P with the shape of Q cut out.

atop
The result is the same shape as image Q, with P obscuring Q where the image shapes overlap. Note this differs from over because the portion of P outside Q's shape does not appear in the result.

xor
The result is the image data from both P and Q that is outside the overlap region. The overlap region will be blank.

plus
The result is just the sum of the image data. Output values are cropped to 255 (no overflow). This operation is independent of the matte channels.

minus
The result of P - Q, with underflow cropped to zero. The matte channel is ignored (set to 255, full coverage).

add
The result of P + Q, with overflow wrapping around (mod 256).

subtract
The result of P - Q, with underflow wrapping around (mod 256). The add and subtract operators can be used to perform reversible transformations.

difference
The result of abs(P - Q). This is useful for comparing two very similar images.

replace
The resulting image is Q replaced with P. Here the matte information is ignored.

image
The image compositor requires an matte, or alpha channel in the for some operations. This extra channel usually defines a mask which represents a sort of a cookie- cutter for the image. This is the case when matte is 255 (full coverage) for pixels inside the shape, zero outside, and between zero and 255 on the boundary. If image does not have an matte channel, it is initialized with 0 for any pixel matching in color to pixel location (0,0), otherwise 255 (to work properly borderwidth must be 0).

-compress type
the type of image compression: QEncoded or RunlengthEncoded.

Specify +compress to store the binary image in an uncompressed format. The default is the compression type of the specified image file.

-density <width>x<height>
vertical and horizontal resolution in pixels of the image.

This option specifies an image density when decoding a Postscript or Portable Document page. The default is 72 pixels per inch in the horizontal and vertical direction.

-display host:display[.screen]
specifies the X server to contact; see X(1).

-dither
apply Floyd/Steinberg error diffusion to the image.

The basic strategy of dithering is to trade intensity resolution for spatial resolution by averaging the intensities of several neighboring pixels. Images which suffer from severe contouring when reducing colors can be improved with this option.

The -colors option is required for dithering to take effect.

-font name
This option specifies the font to be used for displaying normal text. The default is fixed.

-geometry <width>{%}x<height>{%}{+-}<x offset>{+- }<y offset>{!}{<}{>}
the width and height of the image.

By default, the width and height are maximum values. That is, the image is expanded or contracted to fit the width and height value while maintaining the aspect ratio of the image. Append an exclamation point to the geometry to force the image size to exactly the size you specify. For example, if you specify 640x480! the image width is set to 640 pixels and height to 480. If only one factor is specified, both the width and height assume the value.

To specify a percentage width or height instead, append %. The image size is multiplied by the width and height percentages to obtain the final image dimensions. To increase the size of an image, use a value greater than 100 (e.g. 125%). To decrease an image's size, use a percentage less than 100.

Use < to change the dimensions of the image only if its size exceeds the geometry specification. > resizes the image only if its dimensions is less than the geometry specification. For example, if you specify 640x480> and the image size is 512x512, the image size does not change. However, if the image is 1024x1024, it is resized to 640x480.

By default the images are combined relative to the top left corner, location (0,0). Use <x offset> and <y offset> to specify a particular location to combine the images.

-interlace type
the type of interlacing scheme: NONE, LINE, or PLANE.

This option is used to specify the type of interlacing scheme for raw image formats such as RGB or YUV. NONE means do not interlace (RGBRGBRGBRGBRGBRGB...), LINE uses scanline interlacing (RRR...GGG...BBB...RRR...GGG...BBB...), and PLANE uses plane interlacing (RRRRRR...GGGGGG...BBBBBB...).

Use LINE, or PLANE to create an interlaced GIF image.

-label name
assign a label to an image.

Use this option to assign a specific label to the image. Optionally you can include the image filename, type, width, height, or scene number in the label by embedding special format characters. Embed %f for filename, %m for magick, %w for width, %h for height, or %s for scene number, or \n for newline. For example, 
    -label "%m:%f %wx%h"
produces an image label of MIFF:bird.miff 512x480 for an image titled bird.miff and whose width is 512 and height is 480.

If the first character of string is @, the image label is read from a file titled by the remaining characters in the string.

When converting to Postscript, use this option to specify a header string to print above the image.

-matte
store matte channel if the image has one.

-monochrome
transform the image to black and white.

-page <width>x<height>{+-}<x offset>{+-}<y offset>
preferred size and location of the Postscript page.

Use this option to specify the dimensions of the Postscript page in pixels per inch or a TEXT page in pixels. The default for a Postscript page is to center the image on a letter page 612 by 792 pixels. The margins are 1/2" (i.e. 612x792+36+36). Other common sizes are: 
    Letter      612x 792
    Tabloid     792x1224
    Ledger     1224x 792
    Legal       612x1008
    Statement   396x 612
    Executive   540x 720
    A3          842x1190
    A4          595x 842
    A5          420x 595
    B4          729x1032
    B5          516x 729
    Folio       612x 936
    Quarto      610x 780
    10x14       720x1008
For convenience you can specify the page size by media (e.g. A4, Ledger, etc.).

The page geometry is relative to the vertical and horizontal density of the Postscript page. See -density for details.

The default page dimensions for a TEXT image is 612x792.

-quality value
JPEG quality setting.

Quality is 0 (worst) to 100 (best). The default is 85.

-scene value
image scene number.

-size <width>{%}x<height>{%}{+offset}{!}
width and height of the image.

Use this option to specify the width and height of raw images whose dimensions are unknown such as GRAY, RGB, or CMYK. In addition to width and height, use -size to skip any header information in the image or tell the number of colors in a MAP image file, (e.g. -size 640x512+256).

-stereo
combine two images into a red-green stereo image.

The left side of the stereo pair is saved as the red channel of the output image. The right sife is saved as the green channel. Red-blue stereo glasses are required to properly view the stereo image.

-treedepth value
Normally, this integer value is zero or one. A zero or one tells combine to choose a optimal tree depth for the color reduction algorithm.

An optimal depth generally allows the best representation of the source image with the fastest computational speed and the least amount of memory. However, the default depth is inappropriate for some images. To assure the best representation, try values between 2 and 8 for this parameter. Refer to quantize(9) for more details.

The -colors option is required for this option to take effect.

-verbose
print detailed information about the image.

This information is printed: image scene number; image name; combined image name; image size; the image class (DirectClass or PseudoClass); the total number of unique colors; and the number of seconds to read and combine the image.

Options are processed in command line order. Any option you specify on the command line remains in effect until it is explicitly changed by specifying the option again with a different effect.

Change '-' to '+' in any option above to reverse its effect. For example, specify +matte to store the image without its matte channel.

By default, the image format is determined by its magic number. To specify a particular image format, precede the filename with an image format name and a colon (i.e. ps:image) or specify the image type as the filename suffix (i.e. image.ps). See convert(1) for a list of valid image formats.

When you specify X as your image type, the filename has special meaning. It specifies an X window by id, name, or root. If no filename is specified, the window is selected by clicking the mouse in the desired window.

Specify input_file as - for standard input, output_file as - for standard output. If input_file has the extension .Z or .gz, the file is uncompressed with uncompress or gunzip respectively. If output_file has the extension .Z or .gz, the file size is compressed using with compress or gzip respectively. Finally, precede the image file name with | to pipe to or from a system command.

Use an optional index enclosed in brackets after a file name to specify a desired subimage of a multi-resolution image format like Photo CD (e.g. img0001.pcd[4]) or a range for MPEG images (e.g. video.mpg[50-75]).

If output_file already exists, you will be prompted as to whether it should be overwritten.

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Environment

DISPLAY
To get the default host, display number, and screen.

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Copyright

Copyright 1995 E. I. du Pont de Nemours and Company Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. du Pont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. du Pont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty.

E. I. du Pont de Nemours and Company disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness, in no event shall E. I. du Pont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortuous action, arising out of or in connection with the use or performance of this software.

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Authors

John Cristy, cristy@dupont.com E.I. du Pont de Nemours and Company Incorporated.

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[home page] ities of several neighboring pixels. Images which suffer from severe contouring when reducing colors can be improved with this option.

The -colors option is required for dithering to take effect.

-font name
This option specifies the font to be used for displaying normal text. The default is fixed.

-g./ImageMagick/www/convert.html010064400000240000024000000731650602164576500175100ustar00cristycristy00002330000007 ImageMagick Image conversion utility

Convert

Contents

Synopsis

convert [ options ... ] input_file output_file

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Description

Convert converts an input file using one image format to an output file with a differing image format. In addition, various types of image processing can be performed on the converted image during the conversion process. Convert recognizes the following image formats:

* AVS - AVS X image file.
* BMP - Microsoft Windows bitmap image file.
* CMYK - Raw cyan, magenta, yellow, and black bytes.
* EPS - Adobe Encapsulated PostScript file.
* EPSF - Adobe Encapsulated PostScript file.
* EPSI - Adobe Encapsulated PostScript Interchange format.
* FAX - Group 3.
* FITS - Flexible Image Transport System.
* GIF - Compuserve Graphics image file.
* GIF87 - Compuserve Graphics image file (version 87a).
* GRAY - Raw gray bytes.
* HDF - Hierarchical Data Format.
* HISTOGRAM
* HTML - Hypertext Markup Language.
* JBIG - Joint Bi-level Image experts Group file interchange format.
* JPEG - Joint Photographic Experts Group file interchange format.
* MAP - colormap intensities and indices.
* MATTE - Raw matte bytes.
* MIFF - Magick image file format.
* MTV -
* NULL - NULL image.
* PCD - Photo CD.
* PCX - ZSoft IBM PC Paintbrush file.
* PDF - Portable Document Format.
* PICT - Apple Macintosh QuickDraw/PICT file.
* PNG - Portable Network Graphics.
* PNM - Portable bitmap.
* PS - Adobe PostScript file.
* PS2 - Adobe Level II PostScript file.
* RAD - Radiance image file.
* RGB - Raw red, green, and blue bytes.
* RGBA - Raw red, green, blue, and matte bytes.
* RLE - Utah Run length encoded image file; read only.
* SGI - Irix RGB image file.
* SUN - SUN Rasterfile.
* TEXT - raw text file; read only.
* TGA - Truevision Targa image file.
* TIFF - Tagged Image File Format.
* TILE - tile image with a texture.
* VICAR - read only.
* VID - Visual Image Directory.
* VIFF - Khoros Visualization image file.
* X - select image from X server screen.
* XC - constant image of X server color.
* XBM - X11 bitmap file.
* XPM - X11 pixmap file.
* XWD - X Window System window dump image file.
* YUV - CCIR 601 1:1:1 file.
* YUV3 - CCIR 601 2:1:1 files.

Support for some of these formats require additional programs or libraries. README tells where to find this software.

Raw images are expected to have one byte per pixel unless ImageMagick is compiled in 16-bit mode. Here, the raw data is expected to be stored two bytes per pixel in most-significant-byte-first order.

Options are processed in command line order. Any option you specify on the command line remains in effect until it is explicitly changed by specifying the option again with a different effect.

Change '-' to '+' in any option above to reverse its effect. For example, specify +matte to store the image without its matte channel.

By default, the image format is determined by its magic number. To specify a particular image format, precede the filename with an image format name and a colon (i.e. ps:image) or specify the image type as the filename suffix

When you specify X as your image type, the filename has special meaning. It specifies an X window by id, name, or root. If no filename is specified, the window is selected by clicking the mouse in the desired window.

Specify input_file as - for standard input, output_file as - for standard output. If input_file has the extension .Z or .gz, the file is uncompressed with uncompress or gunzip respectively. If output_file has the extension .Z or .gz, the file size is compressed using with compress or gzip respectively. Finally, precede the image file name with | to pipe to or from a system command.

Use an optional index enclosed in brackets after a file name to specify a desired subimage of a multi-resolution image format like Photo CD (e.g. img0001.pcd[4]) or a range for MPEG images (e.g. video.mpg[50-75]).

Single images are written with the filename you specify. However, multi-part images (i.e. a multi-page PostScript document) are written with the filename followed by a period (.) and the scene number. You can change this behavior by embedding a printf format specification in the file name. For example, 

      image%02d.miff
converts files image00.miff, image01.miff, etc.

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Examples

To convert a MIFF image of a cockatoo to a SUN raster image, use: 
  convert cockatoo.miff sun:cockatoo.ras
To convert a multi-page PostScript document to individual FAX pages, use: 
  convert -monochrome document.ps fax:page
To convert a TIFF image to a PostScript A4 page with the image in the lower left-hand corner, use: 
  convert -page A4+0+0 image.tiff document.ps
To convert a raw GRAY image with a 128 byte header to a portable graymap, use: 
  convert -size 768x512+128 gray:raw image.pgm
To convert a Photo CD image to a TIFF image, use: 
  convert -size 1536x1024 img0009.pcd image.tiff

  convert img0009.pcd[4] image.tiff
To create a visual image directory of all your JPEG images, use: 
  convert 'vid:*.jpg' directory.miff
To annotate an image with blue text using font 12x24 at position (100,100), use: 
  convert -font 12x24 -pen blue -geometry +100+100 -annoate "Cockatoo" bird.jpg bird.miff
To tile a 640x480 image with a JPEG texture with bumps use: 
  convert -size 640x480 tile:bumps.jpg tiled.png
To surround an icon with an ornamental border to use with Mosaic(1), use: 
  convert -mattecolor #697B8F -frame 6x6 bird.jpg icon.png
To obtain the histogram image of an image use: 
  convert file.jpg histogram:file.histogram
  display file.histogram
To display the histogram of an image use: 
  convert file.jpg histogram:- | display -

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Options

-annotate string
annotate an image with text.

Use this option to annotate an image with text. Optionally you can include the image filename, type, width, height, or scene number by embedding special format characters. Embed %f for filename, %m for magick, %w for width, %h for height, %s for scene number, or \n for newline. For example, 
  -annotate "%m:%f %wx%h"
annotates the image with MIFF:bird.miff 512x480 for an image titled bird.miff and whose width is 512 and height is 480.

If the first character of string is @, the text is read from a file titled by the remaining characters in the string.

You can set the text position, font, and font color with -geometry, -font, and -pen respectively. Options are processed in command line order so be sure to use -geometry, -font, or -pen before the -annotate option.

-blur factor
blurs an image. Specify factor as the percent enhancement (0.0 - 99.9%).

-border <width>x<height>
surround the image with a border or color. See X(1) for details about the geometry specification.

The color of the border is obtained from the X server and is defined as bordercolor (class borderColor). See X(1) for details.

-colors value
preferred number of colors in the image.

The actual number of colors in the image may be less than your request, but never more. Note, this is a color reduction option. Images with less unique colors than specified with this option will remain unchanged. Refer to quantize for more details.

Note, options -dither, -colorspace, and -treedepth affect the color reduction algorithm.

-colorspace value
the type of colorspace: GRAY, OHTA, RGB, XYZ, YCbCr, YIQ, YPbPr, or YUV.

Color reduction, by default, takes place in the RGB color space. Empirical evidence suggests that distances in color spaces such as YUV or YIQ correspond to perceptual color differences more closely than do distances in RGB space. These color spaces may give better results when color reducing an image. Refer to quantize for more de tails.

The -colors or -monochrome option is required for this option to take effect.

-comment "%m:%f %wx%h"
annotate an image with a comment.

By default, each image is commented with its file name. Use this option to assign a specific comment to the image. Optionally you can include the image filename, type, width, height, or scene number by embedding special format characters. Embed %f for filename, %m for magick, %w for width, %h for height, %s for scene number, or \n for newline. For example,

-comment "%m:%f %wx%h"

produces an image comment of MIFF:bird.miff 512x480 for an image titled bird.miff and whose width is 512 and height is 480.

If the first character of string is @, the image comment is read from a file titled by the remaining characters in the string.

-compress type
the type of image compression: QEncoded or RunlengthEncoded.

Specify +compress to store the binary image in an uncompressed format. The default is the compression type of the specified image file.

-contrast
enhance or reduce the image contrast.

This option enhances the intensity differences between the lighter and darker elements of the image. Use -contrast to enhance the image or +contrast to reduce the image contrast.

-crop <width>{%}x<height>{%}{+-}<x offset>{+-}<y offset>
preferred size and location of the cropped image. See X(1) for details about the geometry specification.

To specify a percentage width or height instead, append %. For example to crop the image by ten percent on all sides of the image, use -crop 10%.

Use cropping to apply image processing options to, or display, a particular area of an image. Use -crop 0x0 to remove edges that are the background color.

-density <width>x<height>
vertical and horizontal resolution in pixels of the image.

This option specifies an image density when decoding a PostScript or Portable Document page. The default is 72 pixels per inch in the horizontal and vertical direction.

-despeckle
reduce the speckles within an image.

-display host:display[.screen]
specifies the X server to contact. This option is used with convert for obtaining image or font from this X server. see X(1).

-dither
apply Floyd/Steinberg error diffusion to the image.

The basic strategy of dithering is to trade intensity resolution for spatial resolution by averaging the intensities of several neighboring pixels. Images which suffer from severe contouring when reducing colors can be improved with this option.

The -colors or -monochrome option is required for this option to take effect.

-edge
detect edges within an image.

-enhance
apply a digital filter to enhance a noisy image.

-equalize
perform histogram equalization to the image.

-flip
create a "mirror image" by reflecting the scanlines in the vertical direction.

-flop
create a "mirror image" by reflecting the image scanlines in the horizontal direction.

-font name
use this font when annotating the image with text.

Convert contacts an X server to obtain the font. If an X server is not available, a Postscript font is used instead. You can set the pointsize with -pointsize.

-frame <width>x<height+<outer bevel width>+<inne r bevel width>
surround the image with an an ornamental border. See X(1) for details about the geometry specification.

The color of the border is specified with the -mattecolor command line option.

-gamma value
level of gamma correction.

The same color image displayed on two different workstations may look different due to differences in the display monitor. Use gamma correction to adjust for this color difference. Reasonable values extend from 0.8 to 2.3.

You can apply separate gamma values to the red, green, and blue channels of the image with a gamma value list delineated with commas (i.e. 1.7,2.3,1.2).

-geometry <width>{%}x<height>{%}{+-}<x offset>{+-}<yoffset>{!}{<}{>}{<}{>}
preferred size and location of the Image window. See X(1) for details about the geometry specification. By default, the window size is the image size and the location is chosen by you when it is mapped.

By default, the width and height are maximum values. That is, the image is expanded or contracted to fit the width and height value while maintaining the aspect ratio of the image. Append an exclamation point to the geometry to force the image size to exactly the size you specify. For example, if you specify 640x480! the image width is set to 640 pixels and height to 480. If only one factor is specified, both the width and height assume the value.

To specify a percentage width or height instead, append %. The image size is multiplied by the width and height percentages to obtain the final image dimensions. To increase the size of an image, use a value greater than 100 (e.g. 125%). To decrease an image's size, use a percentage less than 100.

Use < to change the dimensions of the image only if its size exceeds the geometry specification. > resizes the image only if its dimensions is less than the geometry specification. For example, if you specify 640x480> and the image size is 512x512, the image size does not change. However, if the image is 1024x1024, it is resized to 640x480.

Use < to change the dimensions of the image only if its size exceeds the geometry specification. > resizes the image only if its dimensions is less than the geometry specification. For example, if you specify 640x480> and the image size is 512x512, the image size does not change. However, if the image is 1024x1024, it is resized to 640x480.

There are 72 pixels per inch in PostScript coordinates.

-interlace type
the type of interlacing scheme: NONE, LINE, or PLANE.

This option is used to specify the type of interlacing scheme for raw image formats such as RGB or YUV. NONE means do not interlace (RGBRGBRGBRGBRGBRGB...), LINE uses scanline interlacing (RRR...GGG...BBB...RRR...GGG...BBB...), and PLANE uses plane interlacing (RRRRRR...GGGGGG...BBBBBB...).

Use LINE, or PLANE to create an interlaced GIF image.

-label name
assign a label to an image.

Use this option to assign a specific label to the image. Optionally you can include the image file- name, type, width, height, or scene number in the label by embedding special format characters. Embed %f for filename, %m for magick, %w for width, %h for height, or %s for scene number, or \n for newline.. For example,

-label "%m:%f %wx%h"

produces an image label of MIFF:bird.miff 512x480 for an image titled bird.miff and whose width is 512 and height is 480.

If the first character of string is @, the image label is read from a file titled by the remaining characters in the string.

When converting to PostScript, use this option to specify a header string to print above the image.

-map filename
choose a particular set of colors from this image.

By default, color reduction chooses an optimal set of colors that best represent the original image. Alter- natively, you can choose a particular set of colors with this option.

-matte
store matte channel if the image has one.

-modulate value
vary the brightness, saturation, and hue of an image.

Specify the percent change in brightness, the color saturation, and the hue separated by commas. For example, to increase the color brightness by 20% and decrease the color saturation by 10% and leave the hue unchanged, use: -modulate 20,-10.

-monochrome
transform the image to black and white.

-negate
apply color inversion to image.

The red, green, and blue intensities of an image are negated.

-noise
reduce the noise in an image with a noise peak elimination filter.

The principal function of noise peak elimination filter is to smooth the objects within an image without losing edge information and without creating undesired structures. The central idea of the algorithm is to replace a pixel with its next neighbor in value within a 3 x 3 window, if this pixel has been found to be noise. A pixel is defined as noise if and only if this pixel is a maximum or minimum within the 3 x 3 window.

-normalize
transform image to span the full range of color values.

This is a contrast enhancement technique.

-opaque color
change this color to the pen color within the image. See -pen for more details.

-page <width>x<height>{+-}<x offset>{+-}<y offset>
size and location of the PostScript page.

Use this option to specify the dimensions of the PostScript page in pixels per inch or a TEXT page in pixels. The default for a PostScript page is to center the image on a letter page 612 by 792 pixels. The margins are 1/2" (i.e. 612x792+36+36). Other common sizes are: 
   Letter      612x 792
   Tabloid     792x1224
   Ledger     1224x 792
   Legal       612x1008
   Statement   396x 612
   Executive   540x 720
   A3          842x1190
   A4          595x 842
   A5          420x 595
   B4          729x1032
   B5          516x 729
   Folio       612x 936
   Quarto      610x 780
   10x14       720x1008
For convenience you can specify the page size by media (e.g. A4, Ledger, etc.).

The page geometry is relative to the vertical and horizontal density of the PostScript page. See -density for details.

The default page dimensions for a TEXT image is 612x792.

-paint
paint the image.

-pen color
set the color of the font or opaque color. See -annotate or -opaque for further details.

See X(1) for details about the color specification.

-pointsize value
pointsize of the Postscript font.

-quality value
JPEG quality setting.

Quality is 0 (worst) to 100 (best). The default is 85. The image size increases with high quality value and vice versa.

-raise <bevel width>
lighten or darken image edges to create a 3-D effect.

Bevel width is the width of an edge. Use -raise to create a raised effect, otherwise use +raise.

-roll {+-}<x offset>{+-}<y offset>
roll an image vertically or horizontally. See X(1) for details about the geometry specification.

A negative x offset rolls the image left-to-right. A negative y offset rolls the image top-to-bottom.

-rotate degrees
apply Paeth image rotation to the image.

Empty triangles left over from rotating the image are filled with the color defined as bordercolor (class borderColor). See X(1) for details.

-sample geometry
scale image with pixel sampling. See -geometry for details about the geometry specification.

-scene value
image scene number.

-sharpen factor
sharpen an image. Specify factor as the percent enhancement (0.0 - 99.9%).

-shear <x degrees>x<y degrees>
shear the image along the X or Y axis by a positive or negative shear angle.

Shearing slides one edge of an image along the X or Y axis, creating a parallelogram. An X direction shear slides an edge along the X axis, while a Y direction shear slides an edge along the Y axis. The amount of the shear is controlled by a shear angle. For X direction shears, x degrees is measured relative to the Y axis, and similarly, for Y direction shears y degrees is measured relative to the X axis.

Empty triangles left over from shearing the image are filled with the color defined as bordercolor (class borderColor). See X(1) for details.

-size <width>{%}x<height>{%}{+offset}{!}
width and height of the image.

Use this option to specify the width and height of raw images whose dimensions are unknown such as GRAY, RGB, or CMYK. In addition to width and height, use -size to skip any header information in the image or tell the number of colors in a MAP image file, (e.g. -size 640x512+256).

For Photo CD images, choose from these sizes: 
   192x128
   384x256
   768x512
   1536x1024
   3072x2048
Finally, use this option to choose a particular resolution layer of a JBIG image (e.g. -size 1024x768).

-transparency color
make this color transparent within the image.

-treedepth value
Normally, this integer value is zero or one. A zero or one tells display to choose a optimal tree depth for the color reduction algorithm.

An optimal depth generally allows the best representation of the source image with the fastest computational speed and the least amount of memory. However, the default depth is inappropriate for some images. To assure the best representation, try values between 2 and 8 for this parameter. Refer to quantize for more details.

The -colors or -monochrome option is required for this option to take effect.

-undercolor <undercolor factor>x<black-generation factor>
control undercolor removal and black generation on CMYK images.

This option enables you to perform undercolor removal and black generation on CMYK images-- images to be printed on a four-color printing system. You can con- trol how much cyan, magenta, and yellow to remove from your image and how much black to add to it. The stan- dard undercolor removal is 1.0x1.0. You'll frequently get better results, though, if the percentage of black you add to your image is slightly higher than the per- centage of C, M, and Y you remove from it. For example you might try 0.5x0.7.

-verbose
print detailed information about the image.

This information is printed: image scene number; image name; image size; the image class (DirectClass or PseudoClass); the total number of unique colors; and the number of seconds to read and transform the image. Refer to miff for a description of the image class.

If -colors is also specified, the total unique colors in the image and color reduction error values are printed. Refer to quantize for a description of these values.

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Environment

DISPLAY
To get the default host, display number, and screen.

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Copyright

Copyright 1995 E. I. du Pont de Nemours and Company Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. du Pont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. du Pont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty.

E. I. du Pont de Nemours and Company disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness, in no event shall E. I. du Pont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortuous action, arising out of or in connection with the use or performance of this software.

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Authors

John Cristy, cristy@dupont.com E.I. du Pont de Nemours and Company Incorporated.

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/B>

produces an image label of MIFF:bird.miff 512x480 for an image titled bird.miff and whose width is 512 and height is 480.

If the first character of string is @, the image label is read from a file titled by the remaining characters in the string.

When converting to PostScript, use this option to specify a header string to print ab./ImageMagick/www/display.html010064400000240000024000002364600602760042100174560ustar00cristycristy00002330000007 Image display, manipulating program for X Window System

Display

Contents

Synopsis

display [ options ...] file [ options ...] file

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Description

Display is a machine architecture independent image processing and display program. It can display an image on any workstation screen running an X server. Display can read and write many of the more popular image formats (e.g. JPEG, TIFF, PNM, Photo CD, etc.).

With display, you can perform these functions on an image:

*load an image from a file
*display the next image
*display the former image
*display a sequence of images as a slide show
*write the image to a file
*print the image to a PostScript printer
*delete the image file
*create a Visual Image Directory
*select the image to display by its thumbnail rather
*than name
*undo last image transformation
*copy a region of the image
*paste a region to the image
*restore the image to its original size
*refresh the image
*half the image size
*double the image size
*resize the image
*crop the image
*cut the image
*flop image in the horizontal direction
*flip image in the vertical direction
*rotate the image 90 degrees clockwise
*rotate the image 90 degrees counter-clockwise
*rotate the image
*shear the image
*trim the image edges
*invert the colors of the image
*vary the color brightness
*vary the color saturation
*vary the image hue
*gamma correct the image
*sharpen the image contrast
*dull the image contrast
*perform histogram equalization on the image
*perform histogram normalization on the image
*negate the image colors
*convert the image to grayscale
*set the maximum number of unique colors in the image
*reduce the speckles within an image
*eliminate peak noise from an image
*detect edges within the image
*emboss an image
*oil paint an image
*segment the image by color
*annotate the image with text
*draw on the image
*edit an image pixel color
*edit the image matte information
*composite an image with another
*add a border to the image
*add a border to the image
*surround image with an ornamental border
*apply image processing techniques to a region of interest
*display information about the image
*show a histogram of the image
*display image to background of a window
*set user preferences
*display information about this program
*discard all images and exit program
*change the level of magnification
*display images specified by a World Wide Web (WWW) uniform resource locator (URL)

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Examples

To scale an image of a cockatoo to exactly 640 pixels in width and 480 pixels in height and position the window at location (200,200), use: 
    display -geometry 640x480+200+200! cockatoo.miff
To display an image of a cockatoo without a border centered on a backdrop, use: 
    display +borderwidth -backdrop cockatoo.miff
To tile a slate texture onto the root window, use: 
    display -size 1280x1024 -window root slate.png
To display a visual image directory of all your JPEG images, use: 
    display 'vid:*.jpg'
To display a MAP image that is 640 pixels in width and 480 pixels in height with 256 colors, use: 
    display -size 640x480+256 cockatoo.map
To display an image of a cockatoo specified with a World Wide Web (WWW) uniform resource locator (URL), use: 
    display ftp://wizards.dupont.com/images/cockatoo.jpg
To display histogram of an image, use: 
    convert file.jpg HISTOGRAM:- | display -

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Options

-annotate string
annotate an image with text.

Use this option to annotate an image with text. Optionally you can include the image filename, type, width, height, or scene number by embedding special format characters. Embed %f for filename, %m for magick, %w for width, %h for height, %s for scene number, or \n for newline. For example, 
      -annotate "%m:%f %wx%h"
annotates the image with MIFF:bird.miff 512x480 for an image titled bird.miff and whose width is 512 and height is 480.

If the first character of string is @, the text is read from a file titled by the remaining characters in the string.

You can set the text position, font, and font color with -geometry, -font, and -pen respectively.

-backdrop
display the image centered on a backdrop.

This backdrop covers the entire workstation screen and is useful for hiding other X window activity while viewing the image. The color of the backdrop is specified as the background color. Refer to X Resources for details.

-blur factor
blurs an image. Specify factor as the percent enhancement (0.0 - 99.9%).

-border <width>x<height>
surround the image with a border or color. See X(1) for details about the geometry specification.

The color of the border is obtained from the X server and is defined as bordercolor (class borderColor). See X(1) for details.

-colormap type
the type of colormap: Shared or Private.

This option only applies when the default X server visual is PseudoColor or GrayScale. Refer to -visual for more details. By default, a shared colormap is allocated. The image shares colors with other X clients. Some image colors could be approximated, therefore your image may look very different than intended. Choose Private and the image colors appear exactly as they are defined. However, other clients may go technicolor when the image colormap is installed.

-colors value
preferred number of colors in the image.

The actual number of colors in the image may be less than your request, but never more. Note, this is a color reduction option. Images with less unique colors than specified with this option will remain unchanged. Refer to quantize for more details.

Note, options -dither, -colorspace, and -treedepth affect the color reduction algorithm.

-colorspace value
the type of colorspace: GRAY, OHTA, RGB, XYZ, YCbCr, YIQ, YPbPr, or YUV.

Color reduction, by default, takes place in the RGB color space. Empirical evidence suggests that distances in color spaces such as YUV or YIQ correspond to perceptual color differences more closely than do distances in RGB space. These color spaces may give better results when color reducing an image. Refer to quantize for more details.

The -colors or -monochrome option is required for this option to take effect.

-comment string
annotate an image with a comment.

By default, each image is commented with its file name. Use this option to assign a specific comment to the image. Optionally you can include the image filename, type, width, height, or scene number by embedding special format characters. Embed %f for filename, %m for magick, %w for width, %h for height, %s for scene number, or \n for newline. For example,

-comment "%m:%f %wx%h"

produces an image comment of MIFF:bird.miff 512x480 for an image titled bird.miff and whose width is 512 and height is 480.

If the first character of string is @, the image comment is read from a file titled by the remaining characters in the string.

-compress type
the type of image compression: QEncoded or RunlengthEncoded.

Use this option with -write to specify the the type of image compression. See miff for details.

Specify +compress to store the binary image in an uncompressed format. The default is the compression type of the specified image file.

-contrast
enhance or reduce the image contrast.

This option enhances the intensity differences between the lighter and darker elements of the image. Use -contrast to enhance the image or +contrast to reduce the image contrast.

-crop <width>{%}x<height>{%}{+-}<x offset>{+-}<y offset>
preferred size and location of the cropped image. See X(1) for details about the geometry specification.

To specify a percentage width or height instead, append %. For example to crop the image by ten percent on all sides of the image, use -crop 10%.

Use cropping to apply image processing options to, or display, a particular area of an image. Use -crop 0x0 to remove edges that are the background color.

The equivalent X resource for this option is cropGeometry (class CropGeometry). See X Resources for details.

-delay seconds
display the next image after pausing.

This option is useful when viewing several images in sequence. Each image will display and wait the number of seconds specified before the next image is displayed. The default is to display the image and wait until you choose to display the next image or terminate the program.

-density <width>x<height>
vertical and horizontal resolution in pixels of the image.

This option specifies an image density when decoding a PostScript or Portable Document page. The default is 72 pixels per inch in the horizontal and vertical direction.

-despeckle
reduce the speckles within an image.

-display host:display[.screen]
specifies the X server to contact; see X(1).

-dither
apply Floyd/Steinberg error diffusion to the image.

The basic strategy of dithering is to trade intensity resolution for spatial resolution by averaging the intensities of several neighboring pixels. Images which suffer from severe contouring when reducing colors can be improved with this option.

The -colors or -monochrome option is required for this option to take effect.

-edge
detect edges within an image.

-enhance
apply a digital filter to enhance a noisy image.

-equalize
perform histogram equalization to the image.

-flip
scanlines in the vertical direction.

-flop
create a "mirror image" by reflecting the image scanlines in the horizontal direction.

-frame <width>x<height+<outer bevel width>+<inner bevel width>
surround the image with an an ornamental border. See X(1) for details about the geometry specification.

The color of the border is specified with the -mattecolor command line option.

-gamma value
level of gamma correction.

The same color image displayed on two different workstations may look different due to differences in the display monitor. Use gamma correction to adjust for this color difference. Reasonable values extend from 0.8 to 2.3.

You can apply separate gamma values to the red, green, and blue channels of the image with a gamma value list delineated with commas (i.e. 1.7,2.3,1.2).

-geometry <width>{%}x<height>{%}{+-}<x offset>{+-}<yoffset>{!}{<}{>}
preferred size and location of the Image window. See X(1) for details about the geometry specification. By default, the window size is the image size and the location is chosen by you when it is mapped.

By default, the width and height are maximum values. That is, the image is expanded or contracted to fit the width and height value while maintaining the aspect ratio of the image. Append an exclamation point to the geometry to force the image size to exactly the size you specify. For example, if you specify 640x480! the image width is set to 640 pixels and height to 480. If only one factor is specified, both the width and height assume the value.

Use < to change the dimensions of the image only if its size exceeds the geometry specification. > resizes the image only if its dimensions is less than the geometry specification. For example, if you specify 640x480> and the image size is 512x512, the image size does not change. However, if the image is 1024x1024, it is resized to 640x480.

To specify a percentage width or height instead, append %. The image size is multiplied by the width and height percentages to obtain the final image dimensions. To increase the size of an image, use a value greater than 100 (e.g. 125%). To decrease an image's size, use a percentage less than 100.

When displaying an image on an X server, <x offset> and <y offset> is relative to the root window.

The equivalent X resource for this option is geometry (class Geometry). See X Resources for details.

-interlace type
the type of interlacing scheme: NONE, LINE, or PLANE.

This option is used to specify the type of interlacing scheme for raw image formats such as RGB or YUV. NONE means do not interlace (RGBRGBRGBRGBRGBRGB...), LINE uses scanline interlacing (RRR...GGG...BBB...RRR...GGG...BBB...), and PLANE uses plane interlacing (RRRRRR...GGGGGG...BBBBBB...).

Use LINE, or PLANE to create an interlaced GIF image.

-immutable
displayed image cannot be modified.

-label name
assign a label to an image.

Use this option to assign a specific label to the image. Optionally you can include the image filename, type, width, height, or scene number in the label by embedding special format characters. Embed %f for filename, %m for magick, %w for width, %h for height, or %s for scene number, or \n for newline. For example,

-label "%m:%f %wx%h"

produces an image label of MIFF:bird.miff 512x480 for an image titled bird.miff and whose width is 512 and height is 480.

If the first character of string is @, the image label is read from a file titled by the remaining characters in the string.

When converting to PostScript, use this option to specify a header string to print above the image.

-map type
display image using this Standard Colormap type.

Choose from these Standard Colormap types: 
      best
      default
      gray
      red
      green
      blue

The X server must support the Standard Colormap you choose, otherwise an error occurs. Use list as the type and display searches the list of colormap types in top-to-bottom order until one is located. See xstdcmap(1) for one way of creating Standard Colormaps.

-matte
store matte channel (transparent channel) if the image has one.

-modulate value
vary the brightness, saturation, and hue of an image.

Specify the percent change in brightness, the color saturation, and the hue separated by commas. For example, to increase the color brightness by 20% and decrease the color saturation by 10% and leave the hue unchanged, use: -modulate 20,-10.

-monochrome
transform the image to black and white.

-negate
apply color inversion to image.

The red, green, and blue intensities of an image are negated.

-noise
reduce the noise in an image with a noise peak elimination filter.

The principal function of noise peak elimination filter is to smooth the objects within an image without losing edge information and without creating undesired structures. The central idea of the algorithm is to replace a pixel with its next neighbor in value within a 3 x 3 window, if this pixel has been found to be noise. A pixel is defined as noise if and only if this pixel is a maximum or minimum within the 3 x 3 window.

-normalize
transform image to span the full range of color values.

This is a contrast enhancement technique.

-opaque color
change this color to the pen color within the image. See -pen for more details.
-page <width>x<height>{+-}<x offset>{+-}<y offset>
size and location of the PostScript page.

Use this option to specify the dimensions of the PostScript page in pixels per inch or a TEXT page in pixels. The default for a PostScript page is to center the image on a letter page 612 by 792 pixels. The margins are 1/2" (i.e. 612x792+36+36). Other common sizes are: 
       Letter      612x 792
       Tabloid     792x1224
       Ledger     1224x 792
       Legal       612x1008
       Statement   396x 612
       Executive   540x 720
       A3          842x1190
       A4          595x 842
       A5          420x 595
       B4          729x1032
       B5          516x 729
       Folio       612x 936
       Quarto      610x 780
       10x14       720x1008
For convenience you can specify the page size by media (e.g. A4, Ledger, etc.).

The page geometry is relative to the vertical and horizontal density of the PostScript page. See -density for details.

The default page dimensions for a TEXT image is 612x792.

-pen color
set the color of the font or opaque color. See -annotate or -opaque for further details.

See X(1) for details about the color specification.

-quality value
JPEG quality setting.

Quality is 0 (worst) to 100 (best). The default is 85. The image size increases with high quality value and vice versa.

-raise <bevel width>
lighten or darken image edges to create a 3-D effect.

Bevel width is the width of an edge. Use -raise to create a raised effect, otherwise use +raise.

-roll {+-}<x offset>{+-}<y offset>
roll an image vertically or horizontally. See X(1) for details about the geometry specification.

A negative x offset rolls the image left-to-right. A negative y offset rolls the image top-to-bottom.

-rotate degrees
apply Paeth image rotation to the image.

Empty triangles left over from rotating the image are filled with the color defined as bordercolor (class borderColor). See X(1) for details.

-sample geometry
scale image with pixel sampling. See -geometry for details about the geometry specification.

-scene value
image scene number.

Use this option to specify an image sequence with a single filename. See the discussion of file below for details.

-sharpen factor
sharpen an image. Specify factor as the percent enhancement (0.0 - 99.9%).

-shear <x degrees>x<y degrees>
shear the image along the X or Y axis by a positive or negative shear angle.

Shearing slides one edge of an image along the X or Y axis, creating a parallelogram. An X direction shear slides an edge along the X axis, while a Y direction shear slides an edge along the Y axis. The amount of the shear is controlled by a shear angle. For X direction shears, x degrees is measured relative to the Y axis, and similarly, for Y direction shears y degrees is measured relative to the X axis.

Empty triangles left over from shearing the image are filled with the color defined as bordercolor (class borderColor). See X(1) for details.

-size <width>{%}x<height>{%}{+offset}{!}
width and height of the image.

Use this option to specify the width and height of raw images whose dimensions are unknown such as GRAY, RGB, or CMYK. In addition to width and height, use -size to skip any header information in the image tell the number of colors in a MAP image file, (e.g. -size 640x512+256).

For Photo CD images, choose from these sizes: 
       192x128
       384x256
       768x512
       1536x1024
       3072x2048
Finally, use this option to choose a particular resolution layer of a JBIG image (e.g. -size 1024x768).

-transparency color
make this color transparent within the image.

-treedepth value
Normally, this integer value is zero or one. A zero or one tells display to choose a optimal tree depth for the color reduction algorithm.

An optimal depth generally allows the best representation of the source image with the fastest computational speed and the least amount of memory. However, the default depth is inappropriate for some images. To assure the best representation, try values between 2 and 8 for this parameter. Refer to quantize for more details.

The -colors or -monochrome option is required for this option to take effect.

-update seconds
detect when image file is modified and redisplay.

Suppose that while you are displaying an image the file that is currently displayed is over-written. display will automatically detect that the input file has been changed and update the displayed image accordingly.

-verbose
print detailed information about the image.

This information is printed: image scene number; image name; image size; the image class (DirectClass or PseudoClass); the total number of unique colors; and the number of seconds to read and transform the image. Refer to miff for a description of the image class.

If -colors is also specified, the total unique colors in the image and color reduction error values are printed. Refer to quantize for a description of these values.

-visual type
display image using this visual type.

Choose from these visual classes: 
      StaticGray
      GrayScale
      StaticColor
      PseudoColor
      TrueColor
      DirectColor
      default
      visual id
The X server must support the visual you choose, otherwise an error occurs. If a visual is not specified, the visual class that can display the most simultaneous colors on the default X server screen is chosen.

-window id
set the background pixmap of this window to the image.

id can be a window id or name. Specify root to select X's root window as the target window.

By default the image is tiled onto the background of the target window. If -backdrop or -geometry are specified, the image is surrounded by the background color. Refer to X Resources for details.

The image will not display on the root window if the image has more unique colors than the target window colormap allows. Use -colors to reduce the number of colors.

-window_group id
exit program when this window id is destroyed.

id can be a window id or name.

-write filename
write image to a file.

If file already exists, you will be prompted as to whether it should be overwritten.

By default, the image is written in the format that it was read in as. To specify a particular image format, prefix file with the image type and a colon (i.e. ps:image) or specify the image type as the filename suffix (i.e. image.ps). See convert(1) for a list of valid image formats. Specify file as - for standard output. If file has the extension .Z or .gz, the file size is compressed using with compress or gzip respectively. Precede the image file name | to pipe to a system command. If file already exists, you will be prompted as to whether it should be overwritten.

Use -compress to specify the type of image compression.

The equivalent X resource for this option is writeFilename (class WriteFilename). See X Resources for details.

In addition to those listed above, you can specify these standard X resources as command line options:

-background, -bordercolor, -borderwidth, -font, -foreground, -iconGeometry, -iconic, -mattecolor, -name, or -title. See X Resources for details.

Options are processed in command line order. Any option you specify on the command line remains in effect until it is explicitly changed by specifying the option again with a different effect. For example to display two images, the first with 32 colors, and the second with only 16 colors, use: 
      display -colors 32 cockatoo.miff -colors 16 macaw.miff
Change - to + in any option above to reverse its effect. For example, specify +matte to store the image without its matte channel.

By default, the image format is determined by its magic number. To specify a particular image format, precede the filename with an image format name and a colon (i.e. ps:image) or specify the image type as the filename suffix (i.e. image.ps).

When you specify X as your image type, the filename has special meaning. It specifies an X window by id, name, or root. If no filename is specified, the window is selected by clicking the mouse in the desired window.

Specify file as - for standard input. If file has the extension .Z or .gz, the file is uncompressed with uncompress or gunzip respectively. Precede the image file name | to pipe from a system command.

Use an optional index enclosed in brackets after a file name to specify a desired subimage of a multi-resolution image format like Photo CD (e.g. img0001.pcd[4]) or a range for MPEG images (e.g. video.mpg[50-75]).

Single images are read with the filename you specify. Alternatively, you can display an image sequence with a single filename. Define the range of the image sequence with -scene. Each image in the range is read with the filename followed by a period (.) and the scene number. You can change this behavior by embedding a printf format specification in the file name. For example, 
    -scene 0-9 image%02d.miff
displays files image00.miff, image01.miff, through image09.miff.

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Mouse Buttons

The effects of each button press is described below. Three buttons are required. If you have a two button mouse, button 1 and 3 are returned. Press ALT and button 3 to simulate button 2.

1 - Press this button to map or unmap the Command widget . See the next section for more information about the Command widget.

2 - Press and drag to define a region of the image to magnify.

3 - Press and drag to choose from a select set of display(1) commands. This button behaves differently if the image being displayed is a visual image directory. Choose a particular tile of the directory and press this button and drag to select a command from a pop-up menu. Choose from these menu items:

  • Load
  • Delete

If you choose Delete, the image represented by the tile is deleted. Otherwise, it is displayed. To return to the visual image directory, choose Next from the Command widget (refer to Command Widget). See montage and miff for more details.

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Command Widget

The Command widget lists a number of sub-menus and commands. They are

  • File
    • Load...
    • Next
    • Former
    • Select...
    • Save...
    • Print...
    • Delete...
    • Canvas...
    • Visual Directory...
    • Quit

  • Edit
    • Cut
    • Copy
    • Paste
    • Undo

  • View
    • Half Size
    • Original Size
    • Double Size
    • Resize...
    • Apply
    • Refresh
    • Restore

  • Transform
    • Crop
    • Chop
    • Flop
    • Flip
    • Rotate Right
    • Rotate Left
    • Rotate...
    • Shear...
    • Trim Edges

  • Enhance
    • Hue...
    • Saturation...
    • Brightness...
    • Gamma...
    • Spiff...
    • Dull
    • Equalize
    • Normalize
    • Negate
    • Grayscale
    • Quantize...

  • Effects
    • Despeckle
    • Peak Noise
    • Sharpen...
    • Blur...
    • Edge Detect
    • Emboss
    • Oil Painting
    • Segment...

  • Image Edit
    • Annotate
    • Draw
    • Color
    • Matte
    • Composite...
    • Add Border...
    • Add Frame...
    • Comment
    • Region of Interest

  • Miscellany
    • Image Info
    • Show Histogram
    • Background...
    • Slide Show
    • Preferences...

  • Help
    • Overview
    • Browse Documentation
    • Version

Menu items with a indented triangle have a sub-menu. They are represented above as the indented items. To access a sub-menu item, move the pointer to the appropriate menu and press a button and drag. When you find the desired sub-menu item, release the button and the command is executed. Move the pointer away from the sub-menu if you decide not to execute a particular command.

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Keyboard Accelerators

Accelerators are one or two key presses that effect a particular command. The keyboard accelerators that display understands is: 
    l    Press to load an image from a file.
    n    Press to display the next image.
If the image is a multi-paged document such as a PostScript document, you can skip ahead several pages by preceeding this command with a number. For example to display the fourth page beyond the current page, press 4n. 
    f    Press to display the former image.
If the image is a multi-paged document such as a PostScript document, you can skip behind several pages by preceeding this command with a number. For example to display the fourth page preceeding the current page, press 4n. 
    F2   Press to select an image from the command line.
    s    Press to save the image to a file.
    p    Press to print the image to a PostScript printer.
    ^    Press to delete an image file.
    C    Press to create a blank canvas.
    V    Press to create a Visual Image Directory.
    q    Press to discard all images and exit program.
    F3   Press to cut a region of the image.
    F4   Press to copy a region of the image.
    F5   Press to paste a region to the image.
    u    Press to undo last image transformation.
    <    Press to half the image size.
    o    Press to return to the original image size.
    >    Press to double the image size.
    %    Press to resize the image to a width and height you specify.
    A    Press to make any image transformations permanent.
By default, any image size transformations are applied to the original image to create the image displayed on the X server. However, the transformations are not permanent (i.e. the original image does not change size only the X image does). For example, if you press > the X image will appear to double in size, but the orginal image will in fact remain the same size. To force the original image to double in size, press > followed by A. 
    @    Press to refresh the Image window.
    r    Press to restore the image to its original size.
    [    Press to crop the image.
    ]    Press to chop the image.
    |    Press to flop image in the horizontal direction.
    -    Press to flip image in the vertical direction.
    /    Press to rotate the image 90 degrees clockwise.
    \   Press to rotate the image 90 degrees counter-clockwise.
    *    Press to rotate the image the number of degrees you specify.
    F6   Press to shear the image the number of degrees you specify.
    t    Press to trim the image edges.
    F7   Press to vary the color hue.
    F8   Press to vary the color saturation.
    F9   Press to vary the image brightness.
    g    Press to gamma correct the image.
    F10  Press to spiff up the image contrast.
    F11  Press to dull the image contrast.
    =    Press to perform histogram equalization on the image.
    N    Press to perform histogram normalization on the image.
    ~    Press to negate the colors of the image.
    G    Press to convert the image colors to gray.
    #    Press to set the maximum number of unique colors in the image.
    D    Press to reduce the speckles in an image.
    P    Press to eliminate peak noise from an image.
    S    Press to sharpen an image.
    B    Press to blur image an image.
    E    Press to detect edges within an image.
    M    Press to emboss an image.
    O    Press to oil paint an image.
    Z    Press to segment the image by color.
    R    Press to apply an image processing technique to a region of interest.
    a    Press to annotate the image with text.
    d    Press to draw a line on the image.
    C    Press to edit an image pixel color.
    m    Press to edit the image matte information.
    x    Press to composite the image with another.
    a    Press to add a border to the image.
    F    Press to add a ornamental frame to the image.
    !    Press to add an image comment.
    i    Press to display information about the image.
    H    Press to show a histogram of the image.
    }    Press to display image to background of a window.
    ,    Press to display the next image after pausing.
    F12  Press to set user preferences.
    h    Press to display helpful information about display.
Function keys HELP or F1 are synonymous with the h key. 
    v    Press to display the version number of display(1).
    1-9  Press to change the level of magnification.

Use the arrow keys to move the image one pixel up, down, left, or right within the magnify window. Be sure to first map the magnify window by pressing button 2.

Press ALT and one of the arrow keys to trim off one pixel from any side of the image.

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X Resources

Display options can appear on the command line or in your X resource file. Options on the command line supersede values specified in your X resource file. See X(1) for more information on X resources.

Most display options have a corresponding X resource. In addition, display uses the following X resources:

background (class Background)
Specifies the preferred color to use for the Image window background. The default is #697B8F.

borderColor (class BorderColor)
Specifies the preferred color to use for the Image window border. The default is black.

borderWidth (class BorderWidth)
Specifies the width in pixels of the Image window border. The default is 2.

confirmExit (class ConfirmExit)
Whether Display will pop up a dialog box to confirm exiting the program when the Quit menu option is chosen. Default is true.

editorCommand (class editorCommand)
Specifies the name of the preferred editor when editing image comments. The default is nedit %s.

font (class FontList)
Specifies the name of the preferred font to use in normal formatted text. The default is 14 point Helvetica.

font[1-9] (class Font[1-9])
Specifies the name of the preferred font to use when annotating the Image window with text. The default fonts are fixed, variable, 5x8, 6x10, 7x13bold, 8x13bold, 9x15bold, 10x20, and 12x24.

foreground (class Foreground)
Specifies the preferred color to use for text within the Image window. The default is black.

geometry (class Geometry)
Specifies the preferred size and position of the image window. It is not necessarily obeyed by all window managers.

iconGeometry (class IconGeometry)
Specifies the preferred size and position of the application when iconified. It is not necessarily obeyed by all window managers.

iconic (class Iconic)
This resource indicates that you would prefer that the application's windows initially not be visible as if the windows had be immediately iconified by you. Window managers may choose not to honor the application's request.

magnify (class Magnify)
specifies an integral factor by which the image should be enlarged. The default is 3.

This value only affects the magnification window which is invoked with button number 3 after the image is displayed.

matteColor (class MatteColor)
Specify the color of windows. It is used for the backgrounds of windows, menus, and notices. A 3D effect is achieved by using highlight and shadow colors derived from this color. Default value: #697B8F.

name (class Name)
This resource specifies the name under which resources for the application should be found. This resource is useful in shell aliases to distinguish between invocations of an application, without resorting to creating links to alter the executable file name. The default is the application name.

pen[1-9] (class Pen[1-9])
Specifies the color of the preferred font to use when annotating the Image window with text. The default colors are black, blue, green, cyan, gray, red, magenta, yellow, and white.

printCommand (class PrintCommand)
This command is executed whenever Print is issued In general, it is the command to print PostScript to your printer. Default value: lpr %s.

sharedMemory (class SharedMemory)
This resource specifies whether display should attempt use shared memory for pixmaps. ImageMagick must be compiled with shared memory support, and the display must support the MIT-SHM extension. Otherwise, this resource is ignored. The default is True.

textFont (class textFont)
Specifies the name of the preferred font to use in fixed (typewriter style) formatted text. The default is 14 point Courier.

title (class Title)
This resource specifies the title to be used for the Image window. This information is sometimes used by a window manager to provide a header identifying the window. The default is the image file name.

usePixmap (class UsePixmap)
Images are maintained as a XImage by default. Set this resource to True to utilize a server Pixmap instead. This option is useful if your image exceeds the dimensions of your server screen and you intend to pan the image. Panning is much faster with Pixmaps than with a XImage. Pixmaps are considered a precious resource, use them with discretion.

To set the geometry of the Magnify or Pan or window, use the geometry resource. For example, to set the Pan window geometry to 256x256, use:

display.pan.geometry: 256x256

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Image Loading

To select an image to display, choose Load of the File sub-menu from the Command widget. A file browser is displayed. To choose a particular image file, move the pointer to the filename and press any button. The filename is copied to the text window. Next, press Load or press the RETURN key. Alternatively, you can type the image file name directly into the text window. To descend directories, choose a directory name and press the button twice quickly. A scrollbar allows a large list of filenames to be moved through the viewing area if it exceeds the size of the list area.

You can trim the list of file names by using shell globbing characters. For example, type *.jpg to list only files that end with .jpg.

To select your image from the X server screen instead of from a file, Choose Grab of the Load widget.

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Visual Image Directory

To create a Visual Image Directory, choose Visual Directory of the File sub-menu from the Command widget . A file browser is displayed. To create a Visual Image Directory from all the images in the current directory, press Directory or press the RETURN key. Alternatively, you can select a set of image names by using shell globbing characters. For example, type *.jpg to include only files that end with .jpg. To descend directories, choose a directory name and press the button twice quickly. A scrollbar allows a large list of filenames to be moved through the viewing area if it exceeds the size of the list area.

After you select a set of files, they are turned into thumbnails and tiled onto a single image. Now move the pointer to a particular thumbnail and press button 3 and drag. Finally, select Load. The image represented by the thumbnail is displayed at its full size. Choose Next from the File sub-menu of the Command widget to return to the Visual Image Directory.

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Image Cutting

Note that cut information for Image window is not retained for colormapped X server visuals (e.g. StaticColor, StaticColor, GrayScale, PseudoColor). Correct cutting behavior may require a TrueColor or DirectColor visual or a Standard Colormap.

To begin, press choose Cut of the Edit sub-menu from the Command widget. Alternatively, press F3 in the Image window.

A small window appears showing the location of the cursor in the image window. You are now in cut mode. In cut mode, the Command widget has these options:

  • Help
  • Dismiss

To define a cut region, press button 1 and drag. The cut region is defined by a highlighted rectangle that expands or contracts as it follows the pointer. Once you are satisfied with the cut region, release the button. You are now in rectify mode. In rectify mode, the Command widget has these options:

  • Cut
  • Help
  • Dismiss

You can make adjustments by moving the pointer to one of the cut rectangle corners, pressing a button, and dragging. Finally, press Cut to commit your copy region. To exit without cutting the image, press Dismiss.

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Image Copying

To begin, press choose Copy of the Edit sub-menu from the Command widget. Alternatively, press F4 in the Image window.

A small window appears showing the location of the cursor in the image window. You are now in copy mode. In copy mode, the Command widget has these options:

  • Help
  • Dismiss

To define a copy region, press button 1 and drag. The copy region is defined by a highlighted rectangle that expands or contracts as it follows the pointer. Once you are satisfied with the copy region, release the button. You are now in rectify mode. In rectify mode, the Command widget has these options:

  • Copy
  • Help
  • Dismiss

You can make adjustments by moving the pointer to one of the copy rectangle corners, pressing a button, and dragging. Finally, press Copy to commit your copy region. To exit without copying the image, press Dismiss.

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Image Pasting

To begin, press choose Paste of the Edit sub-menu from the Command widget. Alternatively, press F5 in the Image window.

A small window appears showing the location of the cursor in the image window. You are now in Paste mode. To exit immediately, press Dismiss. In Paste mode, the Command widget has these options:

  • Operators
    • over
    • in
    • out
    • atop
    • xor
    • plus
    • minus
    • add
    • subtract
    • difference
    • replace
  • Help
  • Dismiss

Choose a composite operation from the Operators sub-menu of the Command widget. How each operator behaves is described below. Image window is the image currently displayed on your X server and image is the image obtained with the File Browser widget.

over
The result is the union of the two image shapes, with image obscuring Image window in the region of overlap.

in
The result is simply image cut by the shape of image window. None of the image data of Image window is in the result.

out
The resulting image is image with the shape of Image window cut out.

atop
The result is the same shape as image Image window, with image obscuring Image window where the image shapes overlap. Note this differs from over because the portion of image outside Image window's shape does not appear in the result.

xor
The result is the image data from both image and Image window that is outside the overlap region. The overlap region is blank.

plus
The result is just the sum of the image data. Output values are cropped to 255 (no overflow). This operation is independent of the matte channels.

minus
The result of image - Image window, with underflow cropped to zero. The matte channel is ignored (set to 255, full coverage).

add
The result of image + Image window, with overflow wrapping around (mod 256).

subtract
The result of image - Image window, with underflow wrapping around (mod 256). The add and subtract operators can be used to perform reversible transformations.

difference
The result of abs(image - Image window). This is useful for comparing two very similar images.

replace
The resulting image is Image window replaced with image. Here the matte information is ignored.

The image compositor requires a matte, or alpha channel in the image for some operations. This extra channel usually defines a mask which represents a sort of a cookie-cutter for the image. This is the case when matte is 255 (full coverage) for pixels inside the shape, zero outside, and between zero and 255 on the boundary. If image does not have a matte channel, it is initialized with 0 for any pixel matching in color to pixel location (0,0), otherwise 255. See Matte Editing for a method of defining a matte channel.

Note that matte information for Image window is not retained for colormapped X server visuals (e.g. StaticColor, StaticColor, GrayScale, PseudoColor). Correct compositing behavior may require a TrueColor or DirectColor visual or a Standard Colormap.

Choosing a composite operator is optional. The default operator is replace. However, you must choose a location to composite your image and press a button. Press and hold the button before releasing and an outline of the image will appear to help you identify your location.

The actual colors of the pasted image is saved. However, the color that appears in Image window may be different. For example, on a monochrome screen Image window will appear black or white even though your pasted image may have many colors. If the image is saved to a file it is written with the correct colors. To assure the correct colors are saved in the final image, any PseudoClass image is promoted to DirectClass. To force a PseudoClass image to remain PseudoClass, use -colors.

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Image Cropping

To begin, press choose Crop of the Transform submenu from the Command widget. Alternatively, press [ in the Image window.

A small window appears showing the location of the cursor in the image window. You are now in crop mode. In crop mode, the Command widget has these options:

  • Help
  • Dismiss

To define a cropping region, press button 1 and drag. The cropping region is defined by a highlighted rectangle that expands or contracts as it follows the pointer. Once you are satisfied with the cropping region, release the button. You are now in rectify mode. In rectify mode, the Command widget has these options:

  • Crop
  • Help
  • Dismiss

You can make adjustments by moving the pointer to one of the cropping rectangle corners, pressing a button, and dragging. Finally, press Crop to commit your cropping region. To exit without cropping the image, press Dismiss.

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Image Chopping

An image is chopped interactively. There is no command line argument to chop an image. To begin, choose Chop of the Transform sub-menu from the Command widget. Alternatively, press ] in the Image window.

You are now in Chop mode. To exit immediately, press Dismiss. In Chop mode, the Command widget has these options:

  • Direction
    • horizontal
    • vertical
  • Help
  • Dismiss

If the you choose the horizontal direction (this is the default), the area of the image between the two horizontal endpoints of the chop line is removed. Otherwise, the area of the image between the two vertical endpoints of the chop line is removed.

Select a location within the Image window to begin your chop, press and hold any button. Next, move the pointer to another location in the image. As you move a line will connect the initial location and the pointer. When you release the button, the area within the image to chop is determined by which direction you choose from the Command widget.

To cancel the image chopping, move the pointer back to the starting point of the line and release the button.

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Image Rotation

Press the / key to rotate the image 90 degrees or \ to rotate -90 degrees. To interactively choose the degree of rotation, choose Rotate... of the Transform submenu from the Command Widget. Alternatively, press * in the Image window.

A small horizontal line is drawn next to the pointer. You are now in rotate mode. To exit immediately, press Dismiss. In rotate mode, the Command widget has these options:

  • Pixel Color
    • black
    • blue
    • cyan
    • green
    • gray
    • red
    • magenta
    • yellow
    • white
    • Browser...
  • Direction
    • horizontal
    • vertical
  • Help
  • Dismiss

Choose a background color from the Pixel Color sub-menu. Additional background colors can be specified with the color browser. You can change the menu colors by setting the X resources pen1 through pen9.

If you choose the color browser and press Grab, you can select the background color by moving the pointer to the desired color on the screen and press any button.

Choose a point in the Image window and press this button and hold. Next, move the pointer to another location in the image. As you move a line connects the initial location and the pointer. When you release the button, the degree of image rotation is determined by the slope of the line you just drew. The slope is relative to the direction you choose from the Direction sub-menu of the Command widget.

To cancel the image rotation, move the pointer back to the starting point of the line and release the button.

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Image Annotation

An image is annotated interactively. There is no command line argument to annotate an image. To begin, choose Annotate of the Image Edit sub-menu from the Command widget. Alternatively, press a in the Image window.

A small window appears showing the location of the cursor in the image window. You are now in annotate mode. To exit immediately, press Dismiss. In annotate mode, the Command widget has these options:

  • Font Name
    • fixed
    • variable
    • 5x8
    • 6x10
    • 7x13bold
    • 8x13bold
    • 9x15bold
    • 10x20
    • 12x24
    • Browser...
  • Font Color
    • black
    • blue
    • cyan
    • green
    • gray
    • red
    • magenta
    • yellow
    • white
    • Browser...
  • Rotate Text
    • 45
    • 90
    • 135
    • 180
    • 225
    • 270
    • 315
    • Dialog...
  • Help
  • Dismiss

Choose a font name from the Font Name sub-menu. Additional font names can be specified with the font browser. You can change the menu names by setting the X resources font1 through font9.

Choose a font color from the Font Color sub-menu. Additional font colors can be specified with the color browser. You can change the menu colors by setting the X resources pen1 through pen9.

If you select the color browser and press Grab, you can choose the font color by moving the pointer to the desired color on the screen and press any button.

If you choose to rotate the text, choose Rotate Text from the menu and select an angle. Typically you will only want to rotate one line of text at a time. Depending on the angle you choose, subsequent lines may end up overwriting each other.

Choosing a font and its color is optional. The default font is fixed and the default color is black. However, you must choose a location to begin entering text and press a button. An underscore character will appear at the location of the pointer. The cursor changes to a pencil to indicate you are in text mode. To exit immediately, press Dismiss.

In text mode, any key presses will display the character at the location of the underscore and advance the underscore cursor. Enter your text and once completed press Dismiss to finish your image annotation. To correct errors press BACK SPACE. To delete an entire line of text, press DELETE. Any text that exceeds the boundaries of the Image window is automatically continued onto the next line.

The actual color you request for the font is saved in the image. However, the color that appears in your Image window may be different. For example, on a monochrome screen the text will appear black or white even if you choose the color red as the font color. However, the image saved to a file with -write is written with red lettering. To assure the correct color text in the final image, any PseudoClass image is promoted to DirectClass (see miff(5)). To force a PseudoClass image to remain PseudoClass, use -colors.

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Image Compositing

An image composite is created interactively. There is no command line argument to composite an image. To begin, choose Composite of the Image Edit from the Command widget. Alternatively, press x in the Image window.

First a popup window is displayed requesting you to enter an image name. Press Composite, Grab or type a file name. Press Cancel if you choose not to create a composite image. When you choose Grab, move the pointer to the desired window and press any button.

A small window appears showing the location of the cursor in the image window. You are now in composite mode. To exit immediately, press Dismiss. In composite mode, the Command widget has these options:

  • Operators
    • over
    • in
    • out
    • atop
    • xor
    • plus
    • minus
    • add
    • subtract
    • difference
    • replace
  • Blend
  • Help
  • Dismiss

Choose a composite operation from the Operators sub-menu of the Command widget. How each operator behaves is described below. Image window is the image currently displayed on your X server and image is the image obtained

over
The result is the union of the two image shapes, with image obscuring Image window in the region of overlap.

in
The result is simply image cut by the shape of image window. None of the image data of Image window is in the result.

out
The resulting image is image with the shape of Image window cut out.

atop
The result is the same shape as image Image window, with image obscuring Image window where the image shapes overlap. Note this differs from over because the portion of image outside Image window's shape does not appear in the result.

xor
The result is the image data from both image and Image window that is outside the overlap region. The overlap region is blank.

plus
The result is just the sum of the image data. Output values are cropped to 255 (no overflow). This operation is independent of the matte channels.

minus
The result of image - Image window, with underflow cropped to zero. The matte channel is ignored (set to 255, full coverage).

add
The result of image + Image window, with overflow wrapping around (mod 256).

subtract
The result of image - Image window, with underflow wrapping around (mod 256). The add and subtract operators can be used to perform reversible transformations.

difference
The result of abs(image - Image window). This is useful for comparing two very similar images.

replace
The resulting image is Image window replaced with image. Here the matte information is ignored.

The image compositor requires a matte, or alpha channel in the image for some operations. This extra channel usually defines a mask which represents a sort of a cookie-cutter for the image. This is the case when matte is 255 (full coverage) for pixels inside the shape, zero outside, and between zero and 255 on the boundary. If image does not have a matte channel, it is initialized with 0 for any pixel matching in color to pixel location (0,0), otherwise 255. See Matte Editing for a method of defining a matte channel.

If you choose Blend, the composite operator becomes Over. The image matte channel percent transparency is initialized to factor. The image window is initialized to (100-factor). Where factor is the value you specify in the Dialog widget.

Note that matte information for Image window is not retained for colormapped X server visuals (e.g. StaticColor, StaticColor, GrayScale, PseudoColor). Correct compositing behavior may require a TrueColor or DirectColor visual or a Standard Colormap.

Choosing a composite operator is optional. The default operator is replace. However, you must choose a location to composite your image and press a button. Press and hold the button before releasing and an outline of the image will appear to help you identify your location.

The actual colors of the composite image is saved. However, the color that appears in Image window may be different. For example, on a monochrome screen Image window will appear black or white even though your composited image may have many colors. If the image is saved to a file it is written with the correct colors. To assure the correct colors are saved in the final image, any PseudoClass image is promoted to DirectClass (see miff). To force a PseudoClass image to remain PseudoClass, use -colors.

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Color Editing

Changing the the color of a set of pixels is performed interactively. There is no command line argument to edit a pixel. To begin, choose Color from the Image Edit submenu of the Command widget. Alternatively, press c in the image window.

A small window appears showing the location of the cursor in the image window. You are now in color edit mode. To exit immediately, press Dismiss. In color edit mode, the Command widget has these options:

  • Pixel Color
    • black
    • blue
    • cyan
    • green
    • gray
    • red
    • magenta
    • yellow
    • white
    • Browser...
  • Method
    • point
    • replace
    • floodfill
  • Undo
  • Help
  • Dismiss

Choose a pixel color from the Pixel Color sub-menu. Additional pixel colors can be specified with the color browser. You can change the menu colors by setting the X resources pen1 through pen9.

Next, choose a color editing method from the Method sub- menu of the Command widget. The point method recolors any pixel selected with the pointer unless the button is released. The replace method recolors any pixel that matches the color of the pixel you select with a button press. Floodfill recolors any pixel that matches the color of the pixel you select with a button press and is a neighbor.

Now press a button to select a pixel within the Image window to change its color. Additional pixels may be recolored as prescribed by the method you choose. If the Magnify widget is mapped, it can be helpful in positioning your pointer within the image (refer to button 2).

The actual color you request for the pixels is saved in the image. However, the color that appears in your Image window may be different. For example, on a monochrome screen the pixel will appear black or white even if you choose the color red as the pixel color. However, the image saved to a file with -write is written with red pixels. To assure the correct color text in the final image, any PseudoClass image is promoted to DirectClass To force a PseudoClass image to remain PseudoClass, use -colors.

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Matte Editing

Matte information within an image is useful for some operations such as image compositing. This extra channel usually defines a mask which represents a sort of a cookie-cutter for the image. This is the case when matte is 255 (full coverage) for pixels inside the shape, zero outside, and between zero and 255 on the boundary.

Setting the matte information in an image is done interactively. There is no command line argument to edit a pixel. To begin, and choose Matte of the Image Edit sub-menu from the Command widget.

Alternatively, press m in the image window.

A small window appears showing the location of the cursor in the image window. You are now in matte edit mode. To exit immediately, press Dismiss. In matte edit mode, the Command widget has these options:

  • Method
    • point
    • replace
    • floodfill
  • Matte
  • Undo
  • Help
  • Dismiss

Choose a matte editing method from the Method sub-menu of the Command widget. The point method changes the matte value of the any pixel selected with the pointer until the button is released. The replace method changes the matte value of any pixel that matches the color of the pixel you select with a button press. Floodfill changes the matte value of any pixel that matches the color of the pixel you select with a button press and is a neighbor.

Choose Matte Value and a dialog appears requesting a matte value. Enter a value between 0 and 255. This value is assigned as the matte value of the selected pixel or pixels.

Now, press any button to select a pixel within the Image window to change its matte value. If the Magnify widget is mapped, it can be helpful in positioning your pointer within the image (refer to button 2).

Matte information is only valid in a DirectClass image. Therefore, any PseudoClass image is promoted to DirectClass. Note that matte information for PseudoClass is not retained for colormapped X server visuals (e.g. StaticColor, StaticColor, GrayScale, PseudoColor) unless you immediately save your image to a file (refer to Write). Correct matte editing behavior may require a TrueColor or DirectColor visual or a Standard Colormap.

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Image Drawing

An image is drawn upon interactively. There is no command line argument to draw on an image. To begin, choose Draw of the Image Edit sub-menu from the Command widget Alternatively, press d in the Image window.

The cursor changes to a crosshair to indicate you are in draw mode. To exit immediately, press Dismiss. In draw mode, the Command widget has these options:

  • Primitive
    • line
    • rectangle
    • fill rectangle
  • Color
    • black
    • blue
    • cyan
    • green
    • gray
    • red
    • magenta
    • yellow
    • white
    • Browser...
  • Width
    • 1
    • 2
    • 4
    • 6
    • 8 Dialog...
  • Undo
  • Help
  • Dismiss

Choose a drawing primitive from the Primitive sub-menu.

Next, choose a color from the Color sub-menu. Additional colors can be specified with the color browser. You can change the menu colors by setting the X resources pen1 through pen9.

If you choose the color browser and press Grab, you can select the primitive color by moving the pointer to the desired color on the screen and press any button.

Choose a line width from the Width sub-menu. To choose a specific width select the Dialog widget.

Choose a point in the Image window and press a button and hold. Next, move the pointer to another location in the image. As you move, a line connects the initial location and the pointer. When you release the button, the image is updated with the primitive you just drew.

To cancel image drawing, move the pointer back to the starting point of the line and release the button.

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Region of Interest

To begin, press choose Region of Interest of the Pixel Transform sub-menu from the Command widget. Alternatively, press R in the Image window.

A small window appears showing the location of the cursor in the image window. You are now in region of interest mode. In region of interest mode, the Command widget has these options:

  • Help
  • Dismiss

To define a region of interest, press button 1 and drag. The region of interest is defined by a highlighted rectangle that expands or contracts as it follows the pointer. Once you are satisfied with the region of interest, release the button. You are now in apply mode. In apply mode the Command widget has these options:

  • File
    • Image Info
  • Edit
    • Undo
  • Transform
    • Flip
    • Flop
    • Rotate Right
    • Rotate Left
  • Enhance
    • Brightness...
    • Saturation...
    • Hue...
    • Gamma...
    • Sharpen...
    • Dull
    • Equalize
    • Normalize
    • Negate
  • Effects
    • Despeckle
    • Peak Noise
    • Sharpen
    • Blur
    • Edge Detect
    • Emboss
    • Oil Painting
    • Segment
    • Grayscale
    • Quantize...
  • Help
  • Dismiss

You can make adjustments to the region of interest by moving the pointer to one of the rectangle corners, pressing a button, and dragging. Finally, choose an image processing technique from the Command widget. You can choose more than one image processing technique to apply to an area. Alternatively, you can move the region of interest before applying another image processing technique. To exit, press Dismiss.

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Image Panning

When an image exceeds the width or height of the X server screen, display maps a small panning icon. The rectangle within the panning icon shows the area that is currently displayed in the the Image window. To pan about the image, press any button and drag the pointer within the panning icon. The pan rectangle moves with the pointer and the Image window is updated to reflect the location of the rectangle within the panning icon. When you have selected the area of the image you wish to view, release the button.

Use the arrow keys to pan the image one pixel up, down, left, or right within the Image window.

The panning icon is withdrawn if the image becomes smaller than the dimensions of the X server screen.

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Environment

DISPLAY
To get the default host, display number, and screen.

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Copyright

Copyright 1995 E. I. du Pont de Nemours and Company Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. du Pont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. du Pont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty.

E. I. du Pont de Nemours and Company disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness, in no event shall E. I. du Pont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortuous action, arising out of or in connection with the use or performance of this software.

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Acknowledgements

The MIT X Consortium for making network transparent graphics a reality.

Peder Langlo, Hewlett Packard, Norway, made hundreds of suggestions and bug reports. Without Peder, ImageMagick would not be nearly as useful as it is today.

Rod Bogart and John W. Peterson, University of Utah. Image compositing is loosely based on rlecomp of the Utah Raster Toolkit.

Michael Halle, Spatial Imaging Group at MIT, for the initial implementation of Alan Paeth's image rotation algorithm.

David Pensak, E. I. du Pont de Nemours and Company, for providing a computing environment that made this program possible.

Paul Raveling, USC Information Sciences Institute. The spacial subdivision color reduction algorithm is based on his Img software.

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Authors

John Cristy, cristy@dupont.com E.I. du Pont de Nemours and Company Incorporated.

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mation within an image is useful for some operations such as image compositing. This extra channel usually defines a mask which represents a sort of a cookie-cutter for the image. This i./ImageMagick/www/formats.html010064400000240000024000000114430602337003200174520ustar00cristycristy00002330000007 ImageMagick Image Formats

ImageMagick Image Formats
The following image formats are recognized by ImageMagick:
* AVS - AVS X image file.
* BMP - Microsoft Windows bitmap image file.
* CMYK - Raw cyan, magenta, yellow, and black bytes.
* EPS - Adobe Encapsulated PostScript file.
* EPSF - Adobe Encapsulated PostScript file.
* EPSI - Adobe Encapsulated PostScript Interchange format.
* FAX - Group 3.
* FITS - Flexible Image Transport System.
* GIF - Compuserve Graphics image file.
* GIF87 - Compuserve Graphics image file (version 87a).
* GRAY - Raw gray bytes.
* HDF - Hierarchical Data Format.
* HISTOGRAM
* HTML - Hypertext Markup Language.
* JPEG - Joint Photographic Experts Group file interchange format.
* MAP - colormap intensities and indices.
* MATTE - Raw matte bytes.
* MIFF - Magick image file format.
* MTV - MTV Raytracing image format.
* NULL - NULL image.
* PCD - Photo CD.
* PCX - ZSoft IBM PC Paintbrush file.
* PDF - Portable Document Format.
* PICT - Apple Macintosh QuickDraw/PICT file.
* PNG - Portable Network Graphics.
* PNM - Portable bitmap.
* PS - Adobe PostScript file.
* PS2 - Adobe Level II PostScript file.
* RAD - Radiance image file.
* RGB - Raw red, green, and blue bytes.
* RGBA - Raw red, green, blue, and matte bytes.
* RLE - Utah Run length encoded image file; read only.
* SGI - Irix RGB image file.
* SUN - SUN Rasterfile.
* TEXT - raw text file; read only.
* TGA - Truevision Targa image file.
* TIFF - Tagged Image File Format.
* TILE - tile image with a texture.
* VICAR - read only.
* VID - Visual Image Directory.
* VIFF - Khoros Visualization image file.
* X - select image from X server screen.
* XC - constant image of X server color.
* XBM - X11 bitmap file.
* XPM - X11 pixmap file.
* XWD - X Window System window dump image file.
* YUV - CCIR 601 1:1:1 file.
* YUV3 - CCIR 601 2:1:1 files.
Support for some of these formats require additional programs or libraries. README tells where to find this software.

[home page] ./ImageMagick/www/identify.html010064400000240000024000000077230601775556300176430ustar00cristycristy00002330000007 ImageMagick Image description utility

Identify

Contents

Synopsis

identify file [ file ... ]

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Description

identify describes the format and characteristics of one or more image files. It will also report if an image is incomplete or corrupt. The information displayed includes the scene number, the file name, the width and height of the image, whether the image is colormapped or not, the number of colors in the image, the number of bytes in the image, the format of the image (JPEG, PNM, etc.), and finally the number of seconds it took to read and process the image. An example line output from identify follows: 

    images/aquarium.miff 640x480 PseudoClass 256c 308135b MIFF 1s

If -verbose is set, expect additional output including any image comment: 

    Image: images/aquarium.miff
      class: PseudoClass
      colors: 256
      signature: eb5dca81dd93ae7e6ffae99a5275a53e
      matte: False
      geometry: 640x480
      depth: 8
      bytes: 308135
      format: MIFF
      comments:
 
        Imported from MTV raster image:  aquarium.mtv

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Options

-verbose
print detailed information about the image.

This information is printed: image name; the image class (DirectClass or PseudoClass); the total number of unique colors; whether there is a matte associated with the image; the number of runlength packets; the image size; the depth of the image; the image format; the image scene; and finally any image comment. Refer to miff for a description of the image class.

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Copyright

Copyright 1995 E. I. du Pont de Nemours and Company Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. du Pont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. du Pont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty.

E. I. du Pont de Nemours and Company disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness, in no event shall E. I. du Pont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortuous action, arising out of or in connection with the use or performance of this software.

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Authors

John Cristy, cristy@dupont.com E.I. du Pont de Nemours and Company Incorporated.
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[home page] ./ImageMagick/www/import.html010064400000240000024000000403330601517536600173270ustar00cristycristy00002330000007 ImageMagick Image Capturing Utility

Import

Contents

Synopsis

import [ options ... ] file

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Description

Import reads an image from any visible window on an X server and outputs it as an image file. You can capture a single window, the entire screen, or any rectangular portion of the screen. Use display for redisplay, printing, editing, formatting, archiving, image processing, etc. of the captured image.

The target window can be specified by id, name, or may be selected by clicking the mouse in the desired window. If you press a button and then drag, a rectangle will form which expands and contracts as the mouse moves. To save the portion of the screen defined by the rectangle, just release the button. The keyboard bell is rung once at the beginning of the screen capture and twice when it completes.

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Examples

To select an X window with the mouse and save it in the MIFF image format to a file titled window.miff, use: 
  import window.miff

To select an X window and save it in the Encapsulated Postscript format to include in another document, use: 
  import figure.eps

To capture the entire X server screen in the JPEG image format in a file titled root.jpeg, use: 
  import -window root root.jpeg

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Options

Import options can appear on the command line or in your X resources file. See X(1). Options on the command line supersede values specified in your X resources file.

-border
include image borders in the output image.

The color of the border is obtained from the X server and is defined as bordercolor (class borderColor). See X(1) for details.

-colors value
preferred number of colors in the image.

The actual number of colors in the image may be less than your request, but never more. Note, this is a color reduction option. Images with less unique colors than specified with this option will remain unchanged. Refer to quantize for more details.

Note, options -dither, -colorspace, and -treedepth affect the color reduction algorithm.

-colorspace value
the type of colorspace: GRAY, OHTA, RGB, XYZ, YCbCr, YIQ, YPbPr, or YUV.

Color reduction, by default, takes place in the RGB color space. Empirical evidence suggests that distances in color spaces such as YUV or YIQ correspond to perceptual color differences more closely than do distances in RGB space. These color spaces may give better results when color reducing an image. Refer to quantize for more de tails.

The -colors or -monochrome option is required for this option to take effect.

-comment "%m:%f %wx%h"
annotate an image with a comment.

By default, each image is commented with its file name. Use this option to assign a specific comment to the image. Optionally you can include the image filename, type, width, height, or scene number by embedding special format characters. Embed %f for filename, %m for magick, %w for width, %h for height, %s for scene number, or \n for newline. For example,

-comment "%m:%f %wx%h"

produces an image comment of MIFF:bird.miff 512x480 for an image titled bird.miff and whose width is 512 and height is 480.

If the first character of string is @, the image comment is read from a file titled by the remaining characters in the string.

-compress type
the type of image compression: QEncoded or RunlengthEncoded.

Specify +compress to store the binary image in an uncompressed format. The default is the compression type of the specified image file.

-crop <width>{%}x<height>{%}{+-}<x offset>{+-}<y offset>
preferred size and location of the cropped image. See X(1) for details about the geometry specification.

To specify a percentage width or height instead, append %. For example to crop the image by ten percent on all sides of the image, use -crop 10%.

Use cropping to apply image processing options to, or display, a particular area of an image. Use -crop 0x0 to remove edges that are the background color.

-delay seconds
pause before selecting target window.

This option is useful when you need time to ready the target window before it is captured to a file.

-density <width>x<height>
vertical and horizontal resolution in pixels of the image.

This option specifies an image density when decoding a PostScript or Portable Document page. The default is 72 pixels per inch in the horizontal and vertical direction.

-density <width>x<height>
vertical and horizontal resolution in pixels of the image.

This option specifies an image density when decoding a PostScript or Portable Document page. The default is 72 pixels per inch in the horizontal and vertical direction.

-descend
obtain image by descending window hierarchy.

This option reads each subwindow and its colormap of the chosen window. The final image is guaranteed to have the correct colors but obtaining the image is significantly slower.

-display host:display[.screen]
specifies the X server to contact. This option is used with convert for obtaining image or font from this X server. see X(1).

-dither
apply Floyd/Steinberg error diffusion to the image.

The basic strategy of dithering is to trade intensity resolution for spatial resolution by averaging the intensities of several neighboring pixels. Images which suffer from severe contouring when reducing colors can be improved with this option.

The -colors option is required for this option to take effect.

-frame
include window manager frame.

-geometry <width>{%}x<height>{%}{+-}<x offset>{+-}<yoffset>{!}{<}{>}
the with and height of the image.

By default, the width and height are maximum values. That is, the image is expanded or contracted to fit the width and height value while maintaining the aspect ratio of the image. Append an exclamation point to the geometry to force the image size to exactly the size you specify. For example, if you specify 640x480! the image width is set to 640 pixels and height to 480. If only one factor is specified, both the width and height assume the value.

To specify a percentage width or height instead, append %. The image size is multiplied by the width and height percentages to obtain the final image dimensions. To increase the size of an image, use a value greater than 100 (e.g. 125%). To decrease an image's size, use a percentage less than 100.

Use < to change the dimensions of the image only if its size exceeds the geometry specification. > resizes the image only if its dimensions is less than the geometry specification. For example, if you specify 640x480> and the image size is 512x512, the image size does not change. However, if the image is 1024x1024, it is resized to 640x480.

-interlace type
the type of interlacing scheme: NONE, LINE, or PLANE.

This option is used to specify the type of interlacing scheme for raw image formats such as RGB or YUV. NONE means do not interlace (RGBRGBRGBRGBRGBRGB...), LINE uses scanline interlacing (RRR...GGG...BBB...RRR...GGG...BBB...), and PLANE uses plane interlacing (RRRRRR...GGGGGG...BBBBBB...).

Use LINE, or PLANE to create an interlaced GIF image.

-label name
assign a label to an image.

Use this option to assign a specific label to the image. Optionally you can include the image file- name, type, width, height, or scene number in the label by embedding special format characters. Embed %f for filename, %m for magick, %w for width, %h for height, or %s for scene number, or \n for newline. For example,

-label "%m:%f %wx%h"

produces an image label of MIFF:bird.miff 512x480 for an image titled bird.miff and whose width is 512 and height is 480.

If the first character of string is @, the image label is read from a file titled by the remaining characters in the string.

When converting to PostScript, use this option to specify a header string to print above the image.

-monochrome
transform the image to black and white.

-negate
apply color inversion to image.

The red, green, and blue intensities of an image are negated.

-page <width>x<height>{+-}<x offset>{+-}<y offset>
size and location of the PostScript page.

Use this option to specify the dimensions of the PostScript page in pixels per inch or a TEXT page in pixels. The default for a PostScript page is to center the image on a letter page 612 by 792 pixels. The margins are 1/2" (i.e. 612x792+36+36). Other common sizes are: 
   Letter      612x 792
   Tabloid     792x1224
   Ledger     1224x 792
   Legal       612x1008
   Statement   396x 612
   Executive   540x 720
   A3          842x1190
   A4          595x 842
   A5          420x 595
   B4          729x1032
   B5          516x 729
   Folio       612x 936
   Quarto      610x 780
   10x14       720x1008
For convenience you can specify the page size by media (e.g. A4, Ledger, etc.).

The page geometry is relative to the vertical and horizontal density of the PostScript page. See -density for details.

The default page dimensions for a TEXT image is 612x792.

-quality value
JPEG quality setting.

Quality is 0 (worst) to 100 (best). The default is 85. The image size increases with high quality value and vice versa.

-rotate degrees
apply Paeth image rotation to the image.

Empty triangles left over from rotating the image are filled with the color defined as bordercolor (class borderColor). See X(1) for details.

-scene value
image scene number.

-screen

This option indicates that the GetImage request used to obtain the image should be done on the root window, rather than directly on the specified window. In this way, you can obtain pieces of other windows that overlap the specified window, and more importantly, you can capture menus or other popups that are independent windows but appear over the specified window.

-transparency color
make this color transparent within the image.

-treedepth value
Normally, this integer value is zero or one. A zero or one tells display to choose a optimal tree depth for the color reduction algorithm.

An optimal depth generally allows the best representation of the source image with the fastest computational speed and the least amount of memory. However, the default depth is inappropriate for some images. To assure the best representation, try values between 2 and 8 for this parameter. Refer to quantize for more details.

The -colors or -monochrome option is required for this option to take effect.

-verbose
print detailed information about the image.

This information is printed: image scene number; image name; image size; the image class (DirectClass or PseudoClass); the total number of unique colors; and the number of seconds to read and transform the image. Refer to miff for a description of the image class.

-window id

select window with this id or name.

With this option you can specify the target window by id or name rather than using the mouse. Specify root to select X's root window as the target window.

Options are processed in command line order. Any option you specify on the command line remains in effect until it is explicitly changed by specifying the option again with a different effect.

Change - to + in any option above to reverse its effect. For example +frame means do include window manager frame.

file specifies the image filename. By default, the image is written in the Postscript image format. To specify a particular image format, precede the filename with an image format name and a colon (i.e. ps:image) or specify the image type as the filename suffix (i.e. image.ps). See convert(1) for a list of valid image formats.

Specify file as - for standard output. If file has the extension .Z or .gz, the file size is com pressed using with compress or gzip respectively. Precede t he image file name | to pipe to a system command. If file already exists, you will be prompted as to whether it should be overwritten.

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Environment

DISPLAY
To get the default host, display number, and screen.

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Copyright

Copyright 1995 E. I. du Pont de Nemours and Company Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. du Pont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. du Pont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty.

E. I. du Pont de Nemours and Company disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness, in no event shall E. I. du Pont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortuous action, arising out of or in connection with the use or performance of this software.

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Authors

John Cristy, cristy@dupont.com E.I. du Pont de Nemours and Company Incorporated.

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[home page] ads each subwindow and its colormap of the chosen window. The final image is guaranteed to have the correct colors but obtaining the image is significantly slower.

-display host:display[.screen]
specifies the X server to contact. This option is used with convert for./ImageMagick/www/miff.html010064400000240000024000000267510601517536600167460ustar00cristycristy00002330000007 Magick Image File Format

Magick Image File Format
Magick Image File Format (MIFF) is a platform-independent format for storing bitmap images. MIFF is a part of the ImageMagick toolkit of image manipulation utilities for the X Window System. ImageMagick is capable of converting many different image file formats to and from MIFF (e.g. JPEG, XPM, TIFF, etc.).

A MIFF image file consist of two sections. The first section is a header composed of keywords describing the image in text form. The next section is the binary image data. The header is separated from the image data by a : character immediately followed by a newline.

The MIFF header is composed entirely of ASCII characters. The fields in the header are keyword and value combination in the keyword=value format, with each keyword and value separated by an equal sign (=). Each keyword=value combination is delimited by at least one control or whitespace character. Comments may appear in the header section and are always delimited by braces. The MIFF header always ends with a colon (:) character, followed by a newline character. It is also common for a formfeed and a newline character to appear before the colon. You can then list the image keywords with more(1), without printing the binary image that follows the colon separator.

The following is a list of keyword=value combinations that may be found in a MIFF file:

class=DirectClass
class=PseudoClass
indicates the type of binary image data stored in the MIFF file. If this keyword is not present, DirectClass image data is assumed.

colors=value
specifies the number of colors in a DirectClass image. For a PseudoClass image, this keyword specifies the size of the colormap. If this keyword is not present in the header, and the image is PseudoClass, a linear 256 color grayscale colormap is used with the image data.

columns=value
indicates the width of the image in pixels. This is a required keyword and has no default.

compression=RunlengthEncoded
compression=QEncoded
indicates the type of algorithm used to compress the image data. If this keyword is not present, the image data is assumed to be uncompressed.

id=ImageMagick
The id keyword identifies the file as a MIFF-format image file. This keyword is required and has no default. Although this keyword can appear anywhere in the header, it should start as the first keyword of the header in column 1. This will allow programs like file(1) to easily identify the file as MIFF.

matte=True
matte=False
specifies whether a DirectClass image has matte data. Matte data is generally useful for image compositing. This keyword has no meaning for pseudocolor images.

montage=<width>x<height>{+-}<x offset>{+-}<y offset>
size and location of the individual tiles of a composite image. See X(1) for details about the geometry specification.

Use this keyword when the image is a composite of a number of different tiles. A tile consists of an image and optionally a border and a label. <width> is the size in pixels of each individual tile in the horizontal direction and <height> is the size in the vertical direction. Each tile must have an equal number of pixels in width and equal in height. However, the width can differ from the height. <x offset> is the offset in number of pixels from the vertical edge of the composite image where the first tile of a row begins and <y offset> is the offset from the horizontal edge where the first tile of a column begins.

If this keyword is specified, a directory of tile names must follow the image header. The format of the directory is explained below.

packets=value
specifies the number of compressed color packets in the image data section. This keyword is optional for RunlengthEncoded images, mandatory for QEncoded images, and not used for uncompressed image.

rows=value
indicates the height of the image in pixels. This is a required keyword and has no default.

scene=value
indicates the sequence number for this MIFF image file. This optional keyword is used when a MIFF image file is one in a sequence of files used in an animation.

signature=value
this optional keyword contains a string that uniquely identifies the image colormap. Unique colormap identifiers are normally used when animating a sequence of PseudoClass images.
The following is a sample MIFF header. In this example, <FF> is a formfeed character: 
      id=ImageMagick
      class=PseudoClass  colors=256
      signature=d79e1c308aa5bbcdeea8ed63df412da9
      compression=RunlengthEncoded  packets=27601
      columns=1280  rows=1024
      scene=1
      {
         Rendered via Dore by Sandi Tennyson.
      }
      <FF>
      :
Note that keyword=value combinations may be separated by newlines or spaces and may occur in any order within the header. Comments (within braces) may appear anywhere before the colon.

If you specify the montage keyword in the header, follow the header with a directory of image tiles. This directory consists of a name for each tile of the composite image separated by a newline character. The list is terminated with a NULL character.

Following the header (or image directory if the montage keyword is in the header) is the binary image data itself. How the image data is formatted depends upon the class of the image as specified (or not specified) by the value of the class keyword in the header.

DirectClass images (class=DirectClass) are continuous-tone, RGB images stored as intensity values in red-green-blue order. Each color value is one byte in size [0..255] and there are three bytes per pixel (four with an optional matte value). The total number of pixels in a DirectClass image is calculates by multiplying the rows value by the column value in the header.

PseudoClass images (class=PseudoClass) are colormapped RGB images. The colormap is stored as a series of red-green-blue pixel values, each value being a byte in size. The number of colormap entries is indicated by the colors keyword in the header, with a maximum of 65,535 total entries allowed. The colormap data occurs immediately following the header (or image directory if the montage keyword is in the header).

PseudoClass image data is an array of index values into the color map. If these are 256 or fewer colors in the image, each byte of image data contains an index value. If the image contains more than 256 colors, then the index value is stored as two contiguous bytes with the most significant byte being first. The total number of pixels in a PseudoClass image is calculated by multiplying the rows value by the columns value in the header.

MIFF is capable of storing a digital signature for colormapped images. This signature was developed for use when animating a sequence of images on a colormapped X server. All of the signatures in a sequence of MIFF files are checked, and if they all match, you do not need to compute a global colormap.

The default colormap identifier is a digital signature computed using RSA's Data Security MD5 Digest Algorithm. (See a description of this algorithm in Internet draft, [MD5], July 1992. The colormap signature is computed if the MIFF file is part of a scene (i.e. the scene value does not equal 0).

The image data in a MIFF file may be uncompressed or may be compressed using one of two algorithms. The compression keyword in the header indicates how the image data is compressed. The run-length encoding (RLE) algorithm may be used to encode image data into packets of compressed data. For DirectClass images, runs of identical pixels values (not BYTE values) are encoded into a series of four-byte packets (five bytes if a matte value is included). The first three bytes of the packet contain the red, green, and blue values of the pixel in the run. The fourth byte contains the number of pixels in the run. This value is in the range of 0 to 255 and is one less than the actual number of pixels in the run. For example, a value of 127 indicates that there are 128 pixels in the run.

For PseudoClass images, the same RLE algorithm is used. Runs of identical index values are encoded into packets. Each packet contains the colormap index value followed by the number of index values in the run. The number of bytes n a PseudoClass RLE packet will be either two or three, depending upon the size of the index values. The number of RLE packets stored in the file is specified by the packets keyword in the header, but is not required. A more complex algorithm, the predictive arithmetic compression algorithm found in the lossless JPEG compression scheme, may be used to to achieve a greater compression ratio than run-length encoding. PseudoClass images are first promoted to DirectClass before encoding. The number of compressed packets stored in the file is specified by the packets keyword in the header.

MIFF files may contain more than one image. Simply concatenate each individual image (composed of a header and image data) into one file.

Copyright

Copyright 1995 E. I. du Pont de Nemours and Company Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. du Pont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. du Pont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty.

E. I. du Pont de Nemours and Company disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness, in no event shall E. I. du Pont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortuous action, arising out of or in connection with the use or performance of this software.

Authors

John Cristy, cristy@dupont.com, E.I. du Pont de Nemours and Company Incorporated.

[home page] ./ImageMagick/www/mogrify.html010064400000240000024000000570120602142632700174640ustar00cristycristy00002330000007 ImageMagick image transforming utility

Mogrify

Contents

Synopsis

mogrify [ options ...] file [ [ options ...] file ...]

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Description

mogrify transforms an image or a sequence of images. These transforms include image scaling, image rotation, color reduction, and others. The transmogrified image overwrites the original image.

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Examples

To convert all the TIFF files in a particular directory to JPEG, use: 
    mogrify -format jpeg *.tiff
To scale an image of a cockatoo to exactly 640 pixels in width and 480 pixels in height, use: 
    mogrify -geometry 640x480! cockatoo.miff
To create a single colormap for a sequence of bird images, use: 
    mogrify -colors 256 scenes/birds.*

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Options

-annotate string
annotate an image with text.

Use this option to annotate an image with text. Optionally you can include the image filename, type, width, height, or scene number by embedding special format characters. Embed %f for filename, %m for magick, %w for width, %h for height, %s for scene number, or \n for newline. For example, 
    -annotate "%m:%f %wx%h"
annotates the image with MIFF:bird.miff 512x480 for an image titled bird.miff and whose width is 512 and height is 480.

If the first character of string is @, the text is read from a file titled by the remaining characters in the string.

You can set the text position, font, and font color with -geometry, -font, and -pen respectively. Options are processed in command line order so be sure to use -geometry, -font, or -pen before the -annotate option.

-blur factor
blurs an image. Specify factor as the percent enhancement (0.0 - 99.9%).

-border <width>x<height>
surround the image with a border or color. See X(1) for details about the geometry specification.

The color of the border is obtained from the X server and is defined as bordercolor (class borderColor). See X(1) for details.

-colors value
preferred number of colors in the image.

The actual number of colors in the image may be less than your request, but never more. Note, this is a color reduction option. Images with less unique colors than specified with this option will remain unchanged. Refer to quantize(9) for more details.

If more than one image is specified on the command line, a single colormap is created and saved with each image.

Note, options -colormap, -dither, -colorspace, and -treedepth affect the color reduction algorithm.

-colorspace value
the type of colorspace: GRAY, OHTA, RGB, XYZ, YCbCr, YIQ, YPbPr, or YUV.

Color reduction, by default, takes place in the RGB color space. Empirical evidence suggests that distances in color spaces such as YUV or YIQ correspond to perceptual color differences more closely than do distances in RGB space. These color spaces may give better results when color reducing an image. Refer to quantize for more details.

The -colors or -monochrome option is required for this option to take effect.

-comment string
annotate an image with a comment.

By default, each image is commented with its file name. Use this option to assign a specific comment to the image. Optionally you can include the image filename, type, width, height, or scene number by embedding special format characters. Embed %f for filename, %m for magick, %w for width, %h for height, %s for scene number, or \n for newline. For example, 
    -comment "%m:%f %wx%h"
produces an image comment of MIFF:bird.miff 512x480 for an image titled bird.miff and whose width is 512 and height is 480.

If the first character of string is @, the image comment is read from a file titled by the remaining characters in the string.

-compress type
the type of image compression: QEncoded or RunlengthEncoded.

Specify +compress to store the binary image in an uncompressed format. The default is the compression type of the specified image file.

-contrast
enhance or reduce the image contrast.

This option enhances the intensity differences between the lighter and darker elements of the image. Use -contrast to enhance the image or +contrast to reduce the image contrast.

-crop <width>{%}x<height>{%}{+-}<x offset>{+-}<y offset>
preferred size and location of the cropped image. See X(1) for details about the geometry specification.

To specify a percentage width or height instead, append %. For example to crop the image by ten percent on all sides of the image, use -crop 10%.

Use cropping to apply image processing options, or transmogrify, only a particular area of an image. Use -crop 0x0 to remove edges that are the background color.

-density <width>x<height>
vertical and horizontal resolution in pixels of the image.

This option specifies an image density when decoding a Postscript or Portable Document page. The default is 72 pixels per inch in the horizontal and vertical direction.

-despeckle
reduce the speckles within an image.

-display host:display[.screen] specifies the X server to contact; see X(1).

-dither
apply Floyd/Steinberg error diffusion to the image.

The basic strategy of dithering is to trade intensity resolution for spatial resolution by averaging the intensities of several neighboring pixels. Images which suffer from severe contouring when reducing colors can be improved with this option.

The -colors or -monochrome option is required for this option to take effect.

-edge
detect edges within an image.

-emboss
emboss the image.

-enhance
apply a digital filter to enhance a noisy image.

-equalize
perform histogram equalization to the image.

-flip
create a "mirror image" by reflecting the image scanlines in the vertical direction.

-flop
create a "mirror image" by reflecting the image scanlines in the horizontal direction.

-format type
the image format type.

This option will convert any image to the image format you specify. See convert(1) for a list of image format types supported by ImageMagick.

By default the file is written to its original name. However, if the filename extension matches a supported format, the extension is replaced with the image format type specified with -format. For example, if you specify tiff as the format type and the input image filename is image.gif, the output image filename becomes image.tiff.

-font name
use this font when annotating the image with text.

Convert contacts an X server to obtain the font. If an X server is not available, a Postscript font is used instead. You can set the pointsize with -pointsize.

-frame <width>x<height>+<outer bevel width>+<inner bevel width>
surround the image with an an ornamental border. See X(1) for details about the geometry specification.

The color of the border is specified with the -mattecolor command line option.

-gamma value
level of gamma correction.

The same color image displayed on two different workstations may look different due to differences in the display monitor. Use gamma correction to adjust for this color difference. Reasonable values extend from 0.8 to 2.3.

You can apply separate gamma values to the red, green, and blue channels of the image with a gamma value list delineated with commas (i.e. 1.7,2.3,1.2).

-geometry <width>{%}x<height>{%}{!}{<}{>}
preferred width and height of the image. See X(1) for details about the geometry specification.

By default, the width and height are maximum values. That is, the image is expanded or contracted to fit the width and height value while maintaining the aspect ratio of the image. Append an exclamation point to the geometry to force the image size to exactly the size you specify. For example, if you specify 640x480! the image width is set to 640 pixels and height to 480. If only one factor is specified, both the width and height assume the value.

To specify a percentage width or height instead, append %. The image size is multiplied by the width and height percentages to obtain the final image dimensions. To increase the size of an image, use a value greater than 100 (e.g. 125%). To decrease an image's size, use a percentage less than 100.

Use < to change the dimensions of the image only if its size exceeds the geometry specification. > resizes the image only if its dimensions is less than the geometry specification. For example, if you specify 640x480> and the image size is 512x512, the image size does not change. However, if the image is 1024x1024, it is resized to 640x480.

-interlace type
the type of interlacing scheme: NONE, LINE, or PLANE.

This option is used to specify the type of interlacing scheme for raw image formats such as RGB or YUV. NONE means do not interlace (RGBRGBRGBRGBRGBRGB...), LINE uses scanline interlacing (RRR...GGG...BBB...RRR...GGG...BBB...), and PLANE uses plane interlacing (RRRRRR...GGGGGG...BBBBBB...). - label name assign a label to an image.

Use this option to assign a specific label to the image. Optionally you can include the image filename, type, width, height, or scene number in the label by embedding special format characters. Embed %f for filename, %m for magick, %w for width, %h for height, or %s for scene number, or \n for newline For example, 
    -label "%m:%f %wx%h"
produces an image label of MIFF:bird.miff 512x480 for an image titled bird.miff and whose width is 512 and height is 480.

If the first character of string is @, the image label is read from a file titled by the remaining characters in the string.

When converting to Postscript, use this option to specify a header string to print above the image.

-map filename
choose a particular set of colors from this image.

By default, color reduction chooses an optimal set of colors that best represent the original image. Alternatively, you can choose a particular set of colors with this option. This is useful when you want to create a sequence of images with one particular set of colors for each image.

-modulate value
vary the brightness, saturation, and hue of an image.

Specify the percent change in brightness, the color saturation, and the hue separated by commas. For example, to increase the color brightness by 20% and decrease the color saturation by 10% and leave the hue unchanged, use: -modulate 20,-10.

-monochrome
transform the image to black and white.

-negate
apply color inversion to image.

The red, green, and blue intensities of an image are negated.

-noise
reduce the noise in an image with a noise peak elimination filter.

The principal function of noise peak elimination filter is to smooth the objects within an image without losing edge information and without creating undesired structures. The central idea of the algorithm is to replace a pixel with its next neighbor in value within a 3 x 3 window, if this pixel has been found to be noise. A pixel is defined as noise if and only if this pixel is a maximum or minimum within the 3 x 3 window.

-normalize
transform image to span the full range of color values. This is a contrast enhancement technique.

-opaque color
change this color to the pen color within the image. See -pen for more details.

-page <width>x<height>{+-}<x offset>{+-}<y offset>
preferred size and location of the Postscript page.

Use this option to specify the dimensions of the Postscript page in pixels per inch or a TEXT page in pixels. The default for a Postscript page is to center the image on a letter page 612 by 792 pixels. The margins are 1/2" (i.e. 612x792+36+36). Other common sizes are: 
    Letter      612x 792
    Tabloid     792x1224
    Ledger     1224x 792
    Legal       612x1008
    Statement   396x 612
    Executive   540x 720
    A3          842x1190
    A4          595x 842
    A5          420x 595
    B4          729x1032
    B5          516x 729
    Folio       612x 936
    Quarto      610x 780
    10x14       720x1008
For convenience you can specify the page size by media (e.g. A4, Ledger, etc.).

The page geometry is relative to the vertical and horizontal density of the Postscript page. See -density for details.

The default page dimensions for a TEXT image is 612x792.

-paint
paint the image.

-pen color
set the color of the font or opaque color. See -annotate or -opaque for further details.

See X(1) for details about the color specification.

-pointsize value
pointsize of the Postscript font.

-quality value
JPEG quality setting.

Quality is 0 (worst) to 100 (best). The default is 85.

-raise <bevel width>
lighten or darken image edges to create a 3-D effect.

Bevel width is the width of an edge. Use -raise to create a raised effect, otherwise use +raise.

-roll {+-}<x offset>{+-}<y offset>
roll an image vertically or horizontally. See X(1) for details about the geometry specification.

A negative x offset rolls the image left-to-right. A negative y offset rolls the image top-to-bottom.

-rotate degrees
apply Paeth image rotation to the image.

Empty triangles left over from rotating the image are filled with the color defined as bordercolor (class borderColor). See X(1) for details.

-scene value
image scene number.

-sharpen weight
sharpen an image. Specify factor as the percent enhancement (0.0 - 99.9%).

-shear <x degrees>x<y degrees>
shear the image along the X or Y axis by a positive or negative shear angle.

Shearing slides one edge of an image along the X or Y axis, creating a parallelogram. An X direction shear slides an edge along the X axis, while a Y direction shear slides an edge along the Y axis. The amount of the shear is controlled by a shear angle. For X direction shears, x degrees> is measured relative to the Y axis, and similarly, for Y direction shears y degrees is measured relative to the X axis.

Empty triangles left over from shearing the image are filled with the color defined as bordercolor (class borderColor). See X(1) for details.

-size <width>{%}x<height>{%}{+offset}{!}
width and height of the image.

Use this option to specify the width and height of raw images whose dimensions are unknown such as GRAY, RGB, or CMYK. In addition to width and height, use -size to skip any header information in the image or tell the number of colors in a MAP image file, (e.g. -size 640x512+256).

-transparency color
make this color transparent within the image.

-treedepth value
Normally, this integer value is zero or one. A zero or one tells mogrify to choose a optimal tree depth for the color reduction algorithm.

An optimal depth generally allows the best representation of the source image with the fastest computational speed and the least amount of memory. However, the default depth is inappropriate for some images. To assure the best representation, try values between 2 and 8 for this parameter. Refer to quantize for more details.

The -colors or -monochrome option is required for this option to take effect.

-undercolor <undercolor factor>x<black-generation factor>
control undercolor removal and black generation on CMYK images.

This option enables you to perform undercolor removal and black generation on CMYK images-- images to be printed on a four-color printing system. You can control how much cyan, magenta, and yellow to remove from your image and how much black to add to it. The standard undercolor removal is 1.0x1.0. You'll frequently get better results, though, if the percentage of black you add to your image is slightly higher than the percentage of C, M, and Y you remove from it. For example you might try 0.5x0.7.

-verbose
print detailed information about the image.

This information is printed: image scene number; image name; image size; the image class (DirectClass or PseudoClass); the total number of unique colors (if known); and the number of seconds to read and transform the image. Refer to miff(5) for a description of the image class. If -colors is also specified, the total unique colors in the image and color reduction error values are printed. Refer to quantize(9) for a description of these values.

Options are processed in command line order. Any option you specify on the command line remains in effect until it is explicitly changed by specifying the option again with a different effect. For example, to mogrify two images, the first with 32 colors and the second with only 16 colors, use: 
    mogrify -colors 32 cockatoo.miff -colors 16 macaw.miff
Change - to + in any option above to reverse its effect. For example, specify +compress to store the binary image in an uncompressed format.

By default, the image format is determined by its magic number. To specify a particular image format, precede the filename with an image format name and a colon (i.e. ps:image) or specify the image type as the filename suffix (i.e. image.ps). See convert(1) for a list of valid image formats.

Specify file as - for standard input and output. If file has the extension .Z or .gz, the file is uncompressed with uncompress or gunzip respectively and subsequently compressed using with compress or gzip. Finally, precede the image file name with | to pipe to or from a system command.

Use an optional index enclosed in brackets after a file name to specify a desired subimage of a multi-resolution image format like Photo CD (e.g. img0001.pcd[4]) or a range for MPEG images (e.g. video.mpg[50-75]).

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Copyright

Copyright 1995 E. I. du Pont de Nemours and Company Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. du Pont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. du Pont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty.

E. I. du Pont de Nemours and Company disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness, in no event shall E. I. du Pont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortuous action, arising out of or in connection with the use or performance of this software.

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Acknowledgements

The MIT X Consortium for making network transparent graphics a reality.

Michael Halle, Spatial Imaging Group at MIT, for the initial implementation of Alan Paeth's image rotation algorithm.

David Pensak, E. I. du Pont de Nemours and Company, for providing a computing environment that made this program possible.

Paul Raveling, USC Information Sciences Institute. The spacial subdivision color reduction algorithm is based on his Img software.

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Authors

John Cristy, cristy@dupont.com E.I. du Pont de Nemours and Company Incorporated.

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[home page] ith its next neighbor in value within a 3 x 3 window, if this pixel has been found to be noise. A pixel is defined as noise if and only if this pixel is a maximum or minimum within the 3 x 3 window.

-normalize
transform image to span the full range of color values. This is a contrast enhancement technique.

-opaque color
change this color to the pen color within the image. See -pen for more details.

-page <width><./ImageMagick/www/montage.html010064400000240000024000000655460602164576500174660ustar00cristycristy00002330000007 Montage

Montage

Contents

Synopsis

montage [ options ...] file [ [ options ...] file ...] output_file

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Description

montage creates a composite image by combining several separate images. The images are tiled on the composite image with the name of the image optionally appearing just below the individual tile.

The composite image is constructed in the following manner. First, each image specified on the command line, except for the last, is scaled to fit the maximum tile size. The maximum tile size by default is 256x256. It can be modified with the -geometry command line argument or X resource. See Options for more information on command line arguments. See X(1) for more information on X resources. Note that the maximum tile size need not be a square. To respect the aspect ratio of each image append ~ to the geometry specification.

Next the composite image is initialized with the color specified by the -background command line argument or X resource. The width and height of the composite image is determined by the title specified, the maximum tile size, the number of tiles per row, the tile border width and height, the image border width, and the label height. The number of tiles per row specifies how many images are to appear in each row of the composite image. The default is to have 5 tiles in each row and 4 tiles in each column of the composite. A specific value is specified with -tile. The tile border width and height, and the image border width defaults to the value of the X resource -borderwidth. It can be changed with the -borderwidth or -geometry command line argument or X resource. The label height is determined by the font you specify with the -font command line argument or X resource. If you do not specify a font, a font is choosen that allows the name of the image to fit the maximum width of a tiled area. The label colors is determined by the -background and -foreground command line argument or X resource. Note, that if the background and foreground colors are the same, labels will not appear.

Initially, the composite image title is placed at the top if one is specified (refer to -foreground X resource). Next, each image is set onto the composite image, surrounded by its border color, with its name centered just below it. The individual images are left-justified within the width of the tiled area. The order of the images is the same as they appear on the command line unless the images have a scene keyword. If a scene number is specified in each image, then the images are tiled onto the composite in the order of their scene number. Finally, the last argument on the command line is the name assigned to the composite image. By default, the image is written in the MIFF format and can be viewed or printed with display.

Note, that if the number of tiles exceeds the default number of 20 (5 per row, 4 per column), more than one composite image is created. To ensure a single image is produced, use -tile to increase the number of tiles to meet or exceed the number of input images.

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Examples

To create a montage of a cockatoo, a parrot, and a hummingbird and write it to a file called birds, use: 
    montage cockatoo.miff parrot.miff
        hummingbird.miff birds.miff
To tile several bird images so that they are at most 256 pixels in width and 192 pixels in height, surrounded by a red border, and separated by 10 pixels of background color, use: 
    montage -geometry 256x192+10+10
        -bordercolor red birds.* montage.miff
To create an unlabeled parrot image, 640 by 480 pixels, and surrounded by a border of black, use: 
    montage -geometry 640x480 -bordercolor
        black -label "" parrot.miff bird.miff
To create an image of an eagle with a textured background, use: 
    montage -texture bumps.jpg eagle.jpg
        eagle.png
To join several GIF images together without any extraneous graphics (e.g. no label, no shadowing, no surrounding tile frame), use: 
    montage +frame +shadow +label -tile 5x1
        -geometry 50x50+0+0 *.gif joined.gif

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Options

-colors value
preferred number of colors in the image.

The actual number of colors in the image may be less than your request, but never more. Note, this is a color reduction option. Images with less unique colors than specified with this option will remain unchanged. Refer to quantize for more details.

Note, options -dither, -colorspace, and -treedepth affect the color reduction algorithm.

-colorspace value
the type of colorspace: GRAY, OHTA, RGB, XYZ, YCbCr, YIQ, YPbPr, or YUV.

Color reduction, by default, takes place in the RGB color space. Empirical evidence suggests that distances in color spaces such as YUV or YIQ correspond to perceptual color differences more closely than do distances in RGB space. These color spaces may give better results when color reducing an image. Refer to quantize for more details.

The -colors or -monochrome option is required for this option to take effect.

-comment string
annotate an image with a comment.

By default, each image is commented with its file name. Use this option to assign a specific comment to the image. Optionally you can include the image filename, type, width, height, or scene number by embedding special format characters. Embed %f for filename, %m for magick, %w for width, %h for height, %s for scene number, or \n for newline. For example,

-comment "%m:%f %wx%h"

produces an image comment of MIFF:bird.miff 512x480 for an image titled bird.miff and whose width is 512 and height is 480.

If the first character of string is @, the image comment is read from a file titled by the remaining characters in the string.

-compose operator
the type of image composition.

By default, each of the composite image pixels are replaced by the corresponding image tile pixel. You can choose an alternate composite operation: 
    over
    in
    out
    atop
    xor
    plus
    minus
    add
    subtract
    difference
    replace
The operations behaves as follows:

over
The result will be the union of the two image shapes, with image obscuring composite image in the region of overlap.

in
The result is simply image cut by the shape of image window. None of the image data of composite image will be in the result.

out
The resulting image is image with the shape of composite image cut out.

atop
The result is the same shape as image composite image, with image obscuring composite image where the image shapes overlap. Note this differs from over because the portion of image outside composite image's shape does not appear in the result.

xor
The result is the image data from both image and composite image that is outside the overlap region. The overlap region will be blank.

plus
The result is just the sum of the image data. Output values are cropped to 255 (no overflow). This operation is independent of the matte channels.

minus
The result of image - composite image, with underflow cropped to zero. The matte channel is ignored (set to 255, full coverage).

add
The result of image + composite image, with overflow wrapping around (mod 256).

subtract
The result of image - composite image, with underflow wrapping around (mod 256). The add and subtract operators can be used to perform reversible transformations.

difference
The result of abs(image - composite image). This is useful for comparing two very similar images.

replace
The resulting image is composite image replaced with image. Here the matte information is ignored.

The image compositor requires an matte, or alpha channel in the image for some operations. This extra channel usually defines a mask which represents a sort of a cookie-cutter for the image. This is the case when matte is 255 (full coverage) for pixels inside the shape, zero outside, and between zero and 255 on the boundary. If image does not have an matte channel, it is initialized with 0 for any pixel matching in color to pixel location (0,0), otherwise 255 (to work properly borderwidth must be 0).

-compress type
the type of image compression: QEncoded or RunlengthEncoded.

This option specifies the type of image compression for the composite image. See miff(5) for details.

Specify +compress to store the binary image in an uncompressed format. The default is the compression type of the specified image file.

-crop <width>{%}x<height>{%}{+-}<x offset>{+-}<y offset>
preferred size and location of the cropped image. See X(1) for details about the geometry specification.

To specify a percentage width or height instead, append %. For example to crop the image by ten percent on all sides of the image, use -crop 10%.

Use cropping to tile only a particular area of an image. Use -crop 0x0 to remove edges that are the background color.

The equivalent X resource for this option is cropGeometry (class CropGeometry). See X RESOURCES for details.

-density <width>x<height>
vertical and horizontal resolution in pixels of the image.

This option specifies an image density when decoding a Postscript or Portable Document page. The default is 72 pixels per inch in the horizontal and vertical direction.

-display host:display[.screen]
specifies the X server to contact; see X(1).

Specify +display if an X server is not available. The label font is obtained from the X server. If none is available, the composite image will not have labels.

-dither
apply Floyd/Steinberg error diffusion to the image.

The basic strategy of dithering is to trade intensity resolution for spatial resolution by averaging the intensities of several neighboring pixels. Images which suffer from severe contouring when reducing colors can be improved with this option.

The -colors or -monochrome option is required for this option to take effect.

-frame
surround image with an ornamental border.

Specify the width of the matte with -borderwidth. Use -gravity to specify how the image is oriented within the ornamental border. Use -mattecolor to specify the frame color.

-font name
use this font when annotating the image with text.

Convert contacts an X server to obtain the font. If an X server is not available, a Postscript font is used instead. You can set the pointsize with -pointsize.

-gamma value
level of gamma correction.

The same color image displayed on two different workstations may look different due to differences in the display monitor. Use gamma correction to adjust for this color difference. Reasonable values extend from 0.8 to 2.3.

You can apply separate gamma values to the red, green, and blue channels of the image with a gamma value list delineated with commas (i.e. 1.7,2.3,1.2).

-geometry <width>x<height>+<border width>+<border height>{!}{<}{>}
preferred tile and border size of each tile of the composite image.

By default, the width and height are maximum values. That is, the image is expanded or contracted to fit the width and height value while maintaining the aspect ratio of the image. Append an exclamation point to the geometry to force the image size to exactly the size you specify. For example, if you specify 640x480! the image width is set to 640 pixels and height to 480. If only one factor is specified, both the width and height assume the value.

Use < to change the dimensions of the image only if its size exceeds the geometry specification. > resizes the image only if its dimensions is less than the geometry specification. For example, if you specify 640x480> and the image size is 512x512, the image size does not change. However, if the image is 1024x1024, it is resized to 640x480.

Each image is surrounded by a border whose size in pixels is specified as <border width> and <border height> and whose color is the background color. By default, the tile size is 256x256 and there is no border.

The equivalent X resource for this option is imageGeometry (class ImageGeometry). See X Resources for details.

-gravity direction
direction image gravitates to within a tile. See X(1) for details about the gravity specification.

A tile of the composite image is a fixed width and height. However, the image within the tile may not fill it completely (see -geometry). The direction you specify indicates where to position the image within the tile. For example Center gravity forces the image to be centered within the tile. By default, the image gravity is North.

-interlace type
the type of interlacing scheme: NONE, LINE, or PLANE.

This option is used to specify the type of interlacing scheme for raw image formats such as RGB or YUV. NONE means do not interlace (RGBRGBRGBRGBRGBRGB...), LINE uses scanline interlacing (RRR...GGG...BBB...RRR...GGG...BBB...), and PLANE uses plane interlacing (RRRRRR...GGGGGG...BBBBBB...).

-label name
assign a label to an image.

By default, each image is labeled with its file name. Use this option to assign a specific label to the image. Optionally you can include the image filename, type, width, height, or scene number in the label by embedding special format characters. Embed %f for filename, %m for magick, %w for width, %h for height, or %s for scene number, or \n for newline. For example, 
    -label "%m:%f %wx%h"
produces an image label of MIFF:bird.miff 512x480 for an image titled bird.miff and whose width is 512 and height is 480.

If the first character of string is @, the image label is read from a file titled by the remaining characters in the string.

-monochrome
transform the image to black and white.

-page <width>x<height>{+-}<x offset>{+-}<y offset>
preferred size and location of the Postscript page.

Use this option to specify the dimensions of the Postscript page in pixels per inch or a TEXT page in pixels. The default for a Postscript page is to center the image on a letter page 612 by 792 pixels. The margins are 1/2" (i.e. 612x792+36+36). Other common sizes are: 
    Letter      612x 792
    Tabloid     792x1224
    Ledger     1224x 792
    Legal       612x1008
    Statement   396x 612
    Executive   540x 720
    A3          842x1190
    A4          595x 842
    A5          420x 595
    B4          729x1032
    B5          516x 729
    Folio       612x 936
    Quarto      610x 780
    10x14       720x1008
For convenience you can specify the page size by media (e.g. A4, Ledger, etc.).

The page geometry is relative to the vertical and horizontal density of the Postscript page. See -density for details.

The default page dimensions for a TEXT image is 612x792.

-pointsize value
pointsize of the Postscript font.

-quality value
JPEG quality setting.

Quality is 0 (worst) to 100 (best). The default is 85.

-rotate degrees
apply Paeth image rotation to the image.

Empty triangles left over from rotating the image are filled with the color defined as bordercolor (class borderColor). See X(1) for details.

-scene value
image scene number.

-shadow
add a shadow beneath a tile to simulate depth.

-size <width>{%}x<height>{%}{+offset}{!}
width and height of the image.

Use this option to specify the width and height of raw images whose dimensions are unknown such as GRAY, RGB, or CMYK. In addition to width and height, use -size to skip any header information in the image or tell the number of colors in a MAP image file, (e.g. -size 640x512+256).

-texture filename
name of texture to tile onto the image background.

-tile <width>x<height>
specifies how many tiles are to appear in each row and column of the composite image.

Specify the number of tiles per row with width and tiles per column with height. For example if you want 1 tile in each row and a maximum of 10 tiles in the composite image, use -tile 1x10. The default is to have 5 tiles in each row and 4 tiles in each column of the composite.

-transparency color
make this color transparent within the image.

-treedepth value
Normally, this integer value is zero or one. A zero or one tells montage to choose a optimal tree depth for the color reduction algorithm.

An optimal depth generally allows the best representation of the source image with the fastest computational speed and the least amount of memory. However, the default depth is inappropriate for some images. To assure the best representation, try values between 2 and 8 for this parameter. Refer to quantize(9) for more details.

The -colors or -monochrome option is required for this option to take effect.

-verbose
print detailed information about the image.

This information is printed: image scene number; image name; image size; the image class (DirectClass or PseudoClass); the total number of unique colors; and the number of seconds to read and write the image.

In addition to those listed above, you can specify these standard X resources as command line options: -background, -bordercolor, -borderwidth, -font, -foreground, -mattecolor, or -title. See X Resources for details.

Options are processed in command line order. Any option you specify on the command line remains in effect until it is explicitly changed by specifying the option again with a different effect. For example, to montage two images, the first with 32 colors and the second with only 16 colors, use:

montage -colors 32 cockatoo.1 -colors 16 cockatoo.2 cockatoo.miff

Change - to + in any option above to reverse its effect. For example, specify +dither to not apply error diffusion to an image.

By default, the image format is determined by its magic number. To specify a particular image format, precede the filename with an image format name and a colon (i.e. ps:image) or specify the image type as the filename suffix (i.e. image.ps). See convert(1) for a list of valid image formats.

When you specify X as your image type, the filename has special meaning. It specifies an X window by id, name, or root. If no filename is specified, the window is selected by clicking the mouse in the desired window.

Specify file as - for standard input, output_file as - for standard output. If file has the extension .Z or .gz, the file is uncompressed with uncompress or gunzip respectively. If output_file has the extension compress or gzip respectively. Finally, precede the image file name with | to pipe to or from a system command.

Use an optional index enclosed in brackets after a file name to specify a desired subimage of a multi-resolution image format like Photo CD (e.g. img0001.pcd[4]) or a range for MPEG images (e.g. video.mpg[50-75]).

Note, a composite MIFF image displayed to an X server with display behaves differently than other images. You can think of the composite as a visual image directory. Choose a particular tile of the composite and press a button to display it. See display(1) and miff(5) for details.

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X Resources

montage options can appear on the command line or in your X resource file. Options on the command line supersede values specified in your X resource file. See X(1) for more information on X resources.

All montage options have a corresponding X resource. In addition, montage uses the following X resources:

background (class Background)
Specifies the preferred color to use for the composite image background. The default is #697B8F.

borderColor (class BorderColor)
Specifies the preferred color to use for the composite image border. The default is black.

borderWidth (class BorderWidth)
Specifies the width in pixels of the composite image border. The default is 2.

font (class Font)
Specifies the name of the preferred font to use when displaying text within the composite image. The default is 9x15, fixed, or 5x8 determined by the composite image size.

foreground (class Foreground)
Specifies the preferred color to use for text within the composite image. The default is black.

matteColor (class MatteColor)
Specify the color of an image frame. A 3D effect is achieved by using highlight and shadow colors derived from this color. The default value is #697B8F.

title (class Title)
This resource specifies the title to be placed at the top of the composite image. The default is not to place a title at the top of the composite image.

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Environment

DISPLAY
To get the default host, display number, and screen.

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Copyright

Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. du Pont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. du Pont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty.

E. I. du Pont de Nemours and Company disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness, in no event shall E. I. du Pont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortuous action, arising out of or in connection with the use or performance of this software.

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Acknowledgements

The MIT X Consortium for making network transparent graphics a reality.

Michael Halle, Spatial Imaging Group at MIT, for the initial implementation of Alan Paeth's image rotation algorithm.

David Pensak, E. I. du Pont de Nemours and Company, for providing a computing environment that made this program possible.

Paul Raveling, USC Information Sciences Institute. The spacial subdivision color reduction algorithm is based on his Img software.

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Authors

John Cristy, cristy@dupont.com E.I. du Pont de Nemours and Company Incorporated.

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[home page] /EM>>{+-}<x offset>{+-}<y offset>
preferred size and location of the Postscript page.

Use this ./ImageMagick/www/quantize.html010064400000240000024000000302140601517536600176520ustar00cristycristy00002330000007 ImageMagick's color reduction algorithm

ImageMagick's color reduction algorithm
This document describes how ImageMagick performs color reduction on an image. To fully understand this document, you should have a knowledge of basic imaging techniques and the tree data structure and terminology.

For purposes of color allocation, an image is a set of n pixels, where each pixel is a point in RGB space. RGB space is a 3-dimensional vector space, and each pixel, p(i), is defined by an ordered triple of red, green, and blue coordinates, (r(i),g(i),b(i)).

Each primary color component (red, green, or blue) represents an intensity which varies linearly from 0 to a maximum value, Cmax, which corresponds to full saturation of that color. Color allocation is defined over a domain consisting of the cube in RGB space with opposite vertices at (0,0,0) and (Cmax,Cmax,Cmax). ImageMagick requires Cmax= 255.

The algorithm maps this domain onto a tree in which each node represents a cube within that domain. In the following discussion, these cubes are defined by the coordinate of two opposite vertices: The vertex nearest the origin in RGB space and the vertex farthest from the origin.

The tree's root node represents the the entire domain, (0,0,0) through (Cmax,Cmax,Cmax). Each lower level in the tree is generated by subdividing one node's cube into eight smaller cubes of equal size. This corresponds to bisecting the parent cube with planes passing through the midpoints of each edge.

The basic algorithm operates in three phases:

  • Classification,
  • Reduction, and
  • Assignment.

Classification builds a color description tree for the image. Reduction collapses the tree until the number it represents, at most, is the number of colors desired in the output image. Assignment defines the output image's color map and sets each pixel's color by reclassification in the reduced tree. Our goal is to minimize the numerical discrepancies between the original colors and quantized colors. To learn more about quantization error, see Measuring Color Reduction Error later in this document.

Classification begins by initializing a color description tree of sufficient depth to represent each possible input color in a leaf. However, it is impractical to generate a fully-formed color description tree in the classification phase for realistic values of Cmax. If color components in the input image are quantized to k-bit precision, so that Cmax = 2^k-1, the tree would need k levels below the root node to allow representing each possible input color in a leaf. This becomes prohibitive because the tree's: 
      total number of nodes = 1+Sum(8^i), i=1,k

      For k=8, 
      Number of nodes= 1 + (8^1+8^2+....+8^8)
                               8^8 - 1 
                     = 1 + 8.-----------
                               8 - 1
                     = 19,173,961

Therefore, to avoid building a fully populated tree, ImageMagick:
  1. Initializes data structures for nodes only as they are needed;
  2. Chooses a maximum depth for the tree as a function of the desired number of colors in the output image (currently based-two logarithm of Cmax). 
      For Cmax=255, 
                          
      Maximum tree depth = log (255)  
                              2

                         = log (255) / log (2)
                              e           e

                         =7.99 ~= 8
A tree of this depth generally allows the best representation of the source image with the fastest computational speed and the least amount of memory. However, the default depth is inappropriate for some images. Therefore, the caller can request a specific tree depth.

For each pixel in the input image, classification scans downward from the root of the color description tree. At each level of the tree, it identifies the single node which represents a cube in RGB space containing the pixel's color. It updates the following data for each such node:

n1:
Number of pixels whose color is contained in the RGB cube which this node represents;

n2:
Number of pixels whose color is not represented in a node at lower depth in the tree; initially, n2=0 for all nodes except leaves of the tree.

Sr,Sg,Sb:
Sums of the red, green, and blue component values for all pixels not classified at a lower depth. The combination of these sums and n2 will ultimately characterize the mean color of a set of pixels represented by this node.

E:
The distance squared in RGB space between each pixel contained within a node and the nodes' center. This represents the quantization error for a node.

Reduction repeatedly prunes the tree until the number of nodes with n2 > 0 is less than or equal to the maximum number of colors allowed in the output image. On any given iteration over the tree, it selects those nodes whose E value is minimal for pruning and merges their color statistics upward. It uses a pruning threshold, Ep, to govern node selection as follows: 
      Ep = 0
      while number of nodes with (n2 > 0) > required maximum number of colors
         prune all nodes such that E <= Ep
         Set Ep  to minimum E in remaining nodes

This has the effect of minimizing any quantization error when merging two nodes together.

When a node to be pruned has offspring, the pruning procedure invokes itself recursively in order to prune the tree from the leaves upward. The values of n2,Sr, Sg and Sb in a node being pruned are always added to the corresponding data in that node's parent. This retains the pruned node's color characteristics for later averaging.

For each node, n2 pixels exist for which that node represents the smallest volume in RGB space containing those pixel's colors. When n2 > 0 the node will uniquely define a color in the output image. At the beginning of reduction, n2 = 0 for all nodes except the leaves of the tree which represent colors present in the input image.

The other pixel count, n1, indicates the total number of colors within the cubic volume which the node represents. This includes n1 - n2 pixels whose colors should be defined by nodes at a lower level in the tree.

Assignment generates the output image from the pruned tree. The output image consists of two parts:
  1. A color map, which is an array of color descriptions (RGB triples) for each color present in the output image.
  2. A pixel array, which represents each pixel as an index into the color map array.

First, the assignment phase makes one pass over the pruned color description tree to establish the image's color map. For each node with n2 > 0, it divides Sr, Sg, and Sb by n2. This produces the mean color of all pixels that classify no lower than this node. Each of these colors becomes an entry in the color map.

Finally, the assignment phase reclassifies each pixel in the pruned tree to identify the deepest node containing the pixel's color. The pixel's value in the pixel array becomes the index of this node's mean color in the color map.

Empirical evidence suggests that the distances in color spaces such as YUV, or YIQ correspond to perceptual color differences more closely than do distances in RGB space. These color spaces may give better results when color reducing an image. Here the algorithm is as described except each pixel is a point in the alternate color space. For convenience, the color components are normalized to the range 0 to a maximum value, Cmax. The color reduction can then proceed as described.

Measuring Color Reduction Error

Depending on the image, the color reduction error may be obvious or invisible. Images with high spatial frequencies (such as hair or grass) will show error much less than pictures with large smoothly shaded areas (such as faces). This is because the high-frequency contour edges introduced by the color reduction process are masked by the high frequencies in the image.

To measure the difference between the original and color reduced images (the total color reduction error), ImageMagick sums over all pixels in an image the distance squared in RGB space between each original pixel value and its color reduced value. ImageMagick prints several error measurements including the mean error per pixel, the normalized mean error, and the normalized maximum error.

The normalized error measurement can be used to compare images. In general, the closer the mean error is to zero the more the quantized image resembles the source image. Ideally, the error should be perceptually-based, since the human eye is the final judge of quantization quality.

These errors are measured and printed when -verbose and -colors are specified on the command line:

mean error per pixel:
is the mean error for any single pixel in the image.

normalized mean square error:
is the normalized mean square quantization error for any single pixel in the image.

This distance measure is normalized to a range between 0 and 1. It is independent of the range of red, green, and blue values in the image.

normalized maximum square error:
is the largest normalized square quantization error for any single pixel in the image.

This distance measure is normalized to a range between and blue values in the image.

Copyright

Copyright 1995 E. I. du Pont de Nemours and Company Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. du Pont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. du Pont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty.

E. I. du Pont de Nemours and Company disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness, in no event shall E. I. du Pont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortuous action, arising out of or in connection with the use or performance of this software.

Acknowledgements

Paul Raveling, USC Information Sciences Institute, for the original idea of using space subdivision for the color reduction algorithm. With Paul's permission, this document is an adaptation from a document he wrote.

Authors

John Cristy, cristy@dupont.com, E.I. du Pont de Nemours and Company Incorporated.

[home page] he output image. Assignment defines the output image's color map and sets each pixel's color by reclassification in the reduced tree. Our goal is to minimize the numerical discrepancies between the original colors and quantized colors. To learn more about quantization error, see Measuring Color Reduction Error later in this document.

Cla./ImageMagick/www/segment.html010064400000240000024000000323270601775427700174710ustar00cristycristy00002330000007 ImageMagick Image Segmenting utility

Segment

Contents

Synopsis

segment [ options ... ] input_file output_file

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Description

segment segments an image by analyzing the histograms of the color components and identifying units that are homogeneous with the fuzzy c-means technique. The scale-space filter analyzes the histograms of the three color components of the image and identifies a set of classes. The extents of each class is used to coarsely segment the image with thresholding. The color associated with each class is determined by the mean color of all pixels within the extents of a particular class. Finally, any unclassified pixels are assigned to the closest class with the fuzzy c-means technique.

The fuzzy c-Means algorithm can be summarized as follows:

  • Build a histogram, one for each color component of the image.

  • For each histogram, successively apply the scale- space filter and build an interval tree of zero crossings in the second derivative at each scale. Analyze this scale-space ``fingerprint'' to determine which peaks or valleys in the histogram are most predominant.

  • The fingerprint defines intervals on the axis of the histogram. Each interval contains either a minima or a maxima in the original signal. If each color component lies within the maxima interval, that pixel is considered ``classified'' and is assigned an unique class number.

  • Any pixel that fails to be classified in the above thresholding pass is classified using the fuzzy c-Means technique. It is assigned to one of the classes discovered in the histogram analysis phase.

The fuzzy c-Means technique attempts to cluster a pixel by finding the local minima of the generalized within group sum of squared error objective function. A pixel is assigned to the closest class of which the fuzzy membership has a maximum value.

For additional information see:

Young Won Lim, Sang Uk Lee, "On The Color Image Segmentation Algorithm Based on the Thresholding and the Fuzzy c-Means Techniques", Pattern Recognition, Volume 23, Number 9, pages 935-952, 1990.

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Examples

To segment an image of a cockatoo, use: 
  segment cockatoo.miff cockatoo.segmented
To segment a raw grayscale image, use: 
  segment -size 768x512 gray:raw image.miff

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Options

-cluster_threshold value
eliminate clusters that are insignificant.

The number of pixels in each cluster must exceed the the cluster threshold to be considered valid. The default is 1%.

-colorspace value
the type of colorspace: GRAY, OHTA, RGB, XYZ, YCbCr, YIQ, YPbPr, or YUV.

Color reduction, by default, takes place in the RGB color space. Empirical evidence suggests that distances in color spaces such as YUV or YIQ correspond to perceptual color differences more closely than do distances in RGB space. These color spaces may give better results when color reducing an image. Refer to quantize for more details.

-comment string
annotate an image with a comment.

By default, each image is commented with its file name. Use this option to assign a specific comment to the image. Optionally you can include the image filename, type, width, height, or scene number by embedding special format characters. Embed %f for filename, %m for magick, %w for width, %h for height, %s for scene number, or \n for newline. For example, 
   -comment "%m:%f %wx%h"
produces an image comment of MIFF:bird.miff 512x480 for an image titled bird.miff and whose width is 512 and height is 480.

If the first character of string is @, the image comment is read from a file titled by the remaining characters in the string.

-compress type

the type of image compression: QEncoded or RunlengthEncoded.

Specify +compress to store the binary image in an uncompressed format. The default is the compression type of the specified image file.

-density <width>x<height>
vertical and horizontal resolution in pixels of the image.

This option specifies an image density when decoding a Postscript or Portable Document page. The default is 72 pixels per inch in the horizontal and vertical direction.

-display host:display[.screen]
specifies the X server to contact; see X(1).

-font name

This option specifies the font to be used for displaying normal text. The default is fixed.

-interlace type
the type of interlacing scheme: NONE, LINE, or PLANE.

This option is used to specify the type of interlacing scheme for raw image formats such as RGB or YUV. NONE means do not interlace (RGBRGBRGBRGBRGBRGB...), LINE uses scanline interlacing (RRR...GGG...BBB...RRR...GGG...BBB...), and PLANE uses plane interlacing (RRRRRR...GGGGGG...BBBBBB...).

Use LINE, or PLANE to create an interlaced GIF image.

-label name
assign a label to an image.

Use this option to assign a specific label to the image. Optionally you can include the image filename, type, width, height, or scene number in the label by embedding special format characters. Embed %f for filename, %m for magick, %w for width, %h for height, or %s for scene number, or \n for newline. For example, 
   -label "%m:%f %wx%h"
produces an image label of MIFF:bird.miff 512x480 for an image titled bird.miff and whose width is 512 and height is 480.

If the first character of string is @, the image label is read from a file titled by the remaining characters in the string.

When converting to Postscript, use this option to specify a header string to print above the image.

-matte
store matte channel if the image has one.

-page <width>x<height>{+-}<x offset>{+-}<y offset>
preferred size and location of the Postscript page.

Use this option to specify the dimensions of the Postscript page in pixels per inch or a TEXT page in pixels. The default for a Postscript page is to center the image on a letter page 612 by 792 pixels. The margins are 1/2" (i.e. 612x792+36+36). Other common sizes are: 
   Letter      612x 792
   Tabloid     792x1224
   Ledger     1224x 792
   Legal       612x1008
   Statement   396x 612
   Executive   540x 720
   A3          842x1190
   A4          595x 842
   A5          420x 595
   B4          729x1032
   B5          516x 729
   Folio       612x 936
   Quarto      610x 780
   10x14       720x1008
For convenience you can specify the page size by media (e.g. A4, Ledger, etc.).

The page geometry is relative to the vertical and horizontal density of the Postscript page. See -density for details.

The default page dimensions for a TEXT image is 612x792.

-quality value
JPEG quality setting.

Quality is 0 (worst) to 100 (best). The default is 85.

-scene value
image scene number.

-size <width>{%}x<height>{%}{+offset}{!}
width and height of the image.

Use this option to specify the width and height of raw images whose dimensions are unknown such as GRAY, RGB, or CMYK. In addition to width and height, use -size to skip any header information in the image tell the number of colors in a MAP image file, (e.g. -size 640x512+256).

-smoothing_threshold value
eliminate noise in the second derivative of the histogram.

As the value is increased, you can expect a smoother second derivative. The default is 1.5.

-verbose
print detailed information about the image.

This information is printed: image scene number; image name; converted image name; image size; the image class (DirectClass or PseudoClass); the total number of unique colors; and the number of seconds to read and convert the image.

Options are processed in command line order. Any option you specify on the command line remains in effect until it is explicitly changed by specifying the option again with a different effect.

Change '-' to '+' in any option above to reverse its effect. For example, specify +matte to store the image without its matte channel.

By default, the image format is determined by its magic number. To specify a particular image format, precede the filename with an image format name and a colon (i.e. ps:image) or specify the image type as the filename suffix (i.e. image.ps). See convert(1) for a list of valid image formats.

When you specify X as your image type, the filename has special meaning. It specifies an X window by id, name, or root. If no filename is specified, the window is selected by clicking the mouse in the desired window.

Specify input_file as - for standard input, output_file as - for standard output. If input_file has the extension .Z or .gz, the file is uncompressed with uncompress or gunzip respectively. If output_file has the extension .Z or .gz, the file size is compressed using with compress or gzip respectively. Finally, precede the image file name with | to pipe to or from a system command.

Use an optional index enclosed in brackets after a file name to specify a desired subimage of a multi-resolution image format like Photo CD (e.g. img0001.pcd[4]) or a range for MPEG images (e.g. video.mpg[50-75]).

If output_file already exists, you will be prompted as to whether it should be overwritten.

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Environment

DISPLAY
To get the default host, display number, and screen.

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Copyright

Copyright 1995 E. I. du Pont de Nemours and Company Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. du Pont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. du Pont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty.

E. I. du Pont de Nemours and Company disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness, in no event shall E. I. du Pont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortuous action, arising out of or in connection with the use or performance of this software.

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Acknowledgements

Andy Gallo, University of Delaware. This software is strongly based on software Andy wrote.

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Authors

John Cristy, cristy@dupont.com E.I. du Pont de Nemours and Company Incorporated.

Back to Contents

[home page] EM>type
the type of interlacing scheme: NONE, LINE, or PLANE.

This option is used to specify the type of interlacing scheme for raw image formats such as RGB or YUV. NONE means do not interlace (RGBRGBRGBRGBRGBRGB...), LINE uses s./ImageMagick/www/tools.html010064400000240000024000000132100601517536600171470ustar00cristycristy00002330000007 ImageMagick Tools

ImageMagick Tools

display
Display is a machine architecture independent image processing and display program. It can display an image on any workstation display running an X server. The image can be displayed as background image of any window.

Display first determines the hardware capabilities of your workstation. If the number of unique colors in an image is less than or equal to the number the workstation can support, the image is displayed in an X window. Otherwise the number of colors in the image is first reduced to match the color resolution of the workstation before it is displayed.

This means that a continuous-tone 24 bits/pixel image can display on a 8 bit pseudo-color device or monochrome device. In most instances the reduced color image closely resembles the original. Alternatively, a monochrome or pseudo-color image sequence can display on a continuous-tone 24 bits/pixels device.

import
Import reads an image from any visible window on an X server and outputs it as an image file. You can capture a single window, the entire screen, or any rectangular portion of the screen. You can use the display utility for redisplay, printing, editing, formatting, archiving, image processing, etc. of the captured image.

The target window can be specified by id, name, or may be selected by clicking the mouse in the desired window. If you press a button and then drag, a rectangle will form which expands and contracts as the mouse moves. To save the portion of the screen defined by the rectangle, just release the button. The keyboard bell is rung once at the beginning of the screen capture and twice when it completes.

animate
Animate displays a sequence of images on anyworkstation display running an X server. Animate first determines the hardware capabilities of the workstation. If the number of unique colors in an image is less than or equal to the number the workstation can support, the image is displayed in an X window. Otherwise the number of colors in the image is first reduced to match the color resolution of the workstation before it is displayed.

This means that a continuous-tone 24 bits/pixel image can display on a 8 bit pseudo-color device or monochrome device. In most instances the reduced color image closely resembles the original. Alternatively, a monochrome or pseudo-color image sequence can display on a continuous-tone 24 bits/pixels device.

montage
Montage creates a composite by combining several separate images. The images are tiled on the composite image with the name of the image optionally appearing just below the individual tile.

convert
Convert converts an input file using one image format to an output file with a differing image format. By default, the image format is determined by it's magic number. To specify a particular image format, precede the filename with an image format name and a colon (i.e. ps:image) or specify the image type as the filename suffix (i.e. image.ps). Specify file as - for standard input or output. If file has the extension .Z, the file is decoded with uncompress.

mogrify
Mogrify transforms an image or a sequence of images. These transforms include image scaling, image rotation, color reduction, and others. The transmogrified image overwrites the original image.

identify
Identify describes the format and characteristics of one or more image files. It will also report if an image is incomplete or corrupt. The information displayed includes the scene number, the file name, the width and height of the image, whether the image is colormapped or not, the number of colors in the image, the number of bytes in the image, the format of the image (JPEG, PNM, etc.), and finally the number of seconds it took to read and process the image.

combine
Combine combines images to create new images.

segment
Segment segments an image by analyzing the histograms of the color components and identifying units that are homogeneous with the fuzzy C-means technique. The scale-space filter analyzes the histograms of the three color components of the image and identifies a set of classes. The extents of each class is used to coarsely segment the image with thresholding. The color associated with each class is determined by the mean color of all pixels within the extents of a particular class. Finally, any unclassified pixels are assigned to the closest class with the fuzzy C-means technique.

xtp
Xtp is a utility for retrieving, listing, or printing files from a remote network site, or sending files to a remote network site. Xtp performs most of the same functions as the ftp program, but does not require any interactive commands. You simply specify the file transfer task on the command line and xtp performs the task automatically.

[home page] /B> first determines the hardware capabilities of the workstation. If the number of unique colors in an image is less than or equal to the number the workstation can support, the image is displayed in an X window. Otherwise the number of colors in the image is first reduced to match the color resolution of the workstation before it is displayed.

This means that./ImageMagick/animate.c010064400000240000024000002550570602164601600160700ustar00cristycristy00002330000007/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % AAA N N IIIII M M AAA TTTTT EEEEE % % A A NN N I MM MM A A T E % % AAAAA N N N I M M M AAAAA T EEE % % A A N NN I M M A A T E % % A A N N IIIII M M A A T EEEEE % % % % % % Animate Machine Independent File Format Image via X11. % % % % % % % % Software Design % % John Cristy % % July 1992 % % % % % % Copyright 1995 E. I. du Pont de Nemours and Company % % % % Permission to use, copy, modify, distribute, and sell this software and % % its documentation for any purpose is hereby granted without fee, % % provided that the above Copyright notice appear in all copies and that % % both that Copyright notice and this permission notice appear in % % supporting documentation, and that the name of E. I. du Pont de Nemours % % and Company not be used in advertising or publicity pertaining to % % distribution of the software without specific, written prior % % permission. E. I. du Pont de Nemours and Company makes no representations % % about the suitability of this software for any purpose. It is provided % % "as is" without express or implied warranty. % % % % E. I. du Pont de Nemours and Company disclaims all warranties with regard % % to this software, including all implied warranties of merchantability % % and fitness, in no event shall E. I. du Pont de Nemours and Company be % % liable for any special, indirect or consequential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, negligence or other tortuous action, arising % % out of or in connection with the use or performance of this software. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Animate displays a sequence of images in the MIFF format on any % workstation display running an X server. Animate first determines the % hardware capabilities of the workstation. If the number of unique % colors in an image is less than or equal to the number the workstation % can support, the image is displayed in an X window. Otherwise the % number of colors in the image is first reduced to match the color % resolution of the workstation before it is displayed. % % This means that a continuous-tone 24 bits-per-pixel image can display on a % 8 bit pseudo-color device or monochrome device. In most instances the % reduced color image closely resembles the original. Alternatively, a % monochrome or pseudo-color image can display on a continuous-tone 24 % bits-per-pixel device. % % The Animate program command syntax is: % % Usage: animate [options ...] file [ [options ...] file ...] % % Where options include: % -backdrop display image centered on a backdrop % -colormap type Shared or Private % -colors value preferred number of colors in the image % -colorspace type GRAY, OHTA, RGB, XYZ, YCbCr, YIQ, YPbPr, or YUV % -crop geometry preferred size and location of the cropped image % -delay milliseconds display the next image after pausing % -density geometry vertical and horizontal density of the image % -display server display image to this X server % -dither apply Floyd/Steinberg error diffusion to image % -gamma value level of gamma correction % -geometry geometry preferred size and location of the Image window % -interlace type NONE, LINE, or PLANE % -map type display image using this Standard Colormap % -matte store matte channel if the image has one % -monochrome transform image to black and white % -scene value image scene number % -size geometry width and height of image % -treedepth value depth of the color classification tree % -verbose print detailed information about the image % -visual type display image using this visual type % -window id display image to background of this window % % In addition to those listed above, you can specify these standard X % resources as command line options: -background, -bordercolor, % -borderwidth, -font, -foreground, -iconGeometry, -iconic, -name, % -mattecolor, -shared_memory, or -title. % % Change '-' to '+' in any option above to reverse its effect. For % example, specify +compress to store the image as uncompressed. % % By default, the image format of `file' is determined by its magic % number. To specify a particular image format, precede the filename % with an image format name and a colon (i.e. ps:image) or specify the % image type as the filename suffix (i.e. image.ps). Specify 'file' as % '-' for standard input or output. % % Buttons: % Press any button to map or unmap the Command widget. % % Keyboard accelerators: % p press to animate the sequence of images % s press to display the next image in the sequence % . press to continually display the sequence of images % a press to automatically reverse the sequence of images % < press to slow the display of the images % > press to speed-up the display of the images % f press to animate in the forward direction % r press to animate in the reverse direction % i press to display information about the image % q press to discard all images and exit program % % */ /* Include declarations. */ #include "magick.h" #include "image.h" #include "compress.h" #include "utility.h" #include "X.h" #include "widget.h" #include "animate.h" /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % U s a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function Usage displays the program command syntax. % % The format of the Usage routine is: % % Usage(terminate) % % A description of each parameter follows: % % o terminate: The program will exit if the value is not zero. % % */ static void Usage(terminate) unsigned int terminate; { char **p; static char *buttons[]= { "Press any button to map or unmap the Command widget", (char *) NULL }, *keys[]= { "0-9 press to change the level of delay", "p press to animate the sequence of images", "s press to display the next image in the sequence", ". press to continually display the sequence of images", "a press to automatically reverse the sequence of images", "< press to slow the display of the images", "> press to speed-up the display of images", "f press to animate in the forward direction", "r press to animate in the reverse direction", "i press to display information about the image", "q press to discard all images and exit program", (char *) NULL }, *options[]= { "-backdrop display image centered on a backdrop", "-colormap type Shared or Private", "-colors value preferred number of colors in the image", "-colorspace type GRAY, OHTA, RGB, XYZ, YCbCr, YIQ, YPbPr, or YUV", "-crop geometry preferred size and location of the cropped image", "-delay milliseconds display the next image after pausing", "-density geometry vertical and horizontal density of the image", "-display server display image to this X server", "-dither apply Floyd/Steinberg error diffusion to image", "-gamma value level of gamma correction", "-geometry geometry preferred size and location of the Image window", "-interlace type NONE, LINE, or PLANE", "-matte store matte channel if the image has one", "-map type display image using this Standard Colormap", "-monochrome transform image to black and white", "-scene value image scene number", "-size geometry width and height of image", "-treedepth value depth of the color classification tree", "-verbose print detailed information about the image", "-visual type display image using this visual type", "-window id display image to background of this window", (char *) NULL }; (void) printf("Version: %s\n\n",Version); (void) printf( "Usage: %s [-options ...] file [ [-options ...] file ...]\n",client_name); (void) printf("\nWhere options include: \n"); for (p=options; *p != (char *) NULL; p++) (void) printf(" %s\n",*p); (void) printf( "\nIn addition to those listed above, you can specify these standard X\n"); (void) printf( "resources as command line options: -background, -bordercolor,\n"); (void) printf( "-borderwidth, -font, -foreground, -iconGeometry, -iconic, -name,\n"); (void) printf("-mattecolor, -shared_memory, or -title.\n"); (void) printf( "\nChange '-' to '+' in any option above to reverse its effect. For\n"); (void) printf( "example, specify +compress to store the image as uncompressed.\n"); (void) printf( "\nBy default, the image format of `file' is determined by its magic\n"); (void) printf( "number. To specify a particular image format, precede the filename\n"); (void) printf( "with an image format name and a colon (i.e. ps:image) or specify the\n"); (void) printf( "image type as the filename suffix (i.e. image.ps). Specify 'file' as\n"); (void) printf("'-' for standard input or output.\n"); (void) printf("\nButtons: \n"); for (p=buttons; *p != (char *) NULL; p++) (void) printf(" %s\n",*p); (void) printf("\nKeyboard accelerators: \n"); for (p=keys; *p != (char *) NULL; p++) (void) printf(" %s\n",*p); if (terminate) exit(1); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X A n i m a t e B a c k g r o u n d I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XAnimateBackgroundImage animates an image sequence in the % background of a window. % % The format of the XAnimateBackgroundImage routine is: % % XAnimateBackgroundImage(display,resource_info,image) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % */ static int SceneCompare(x,y) const void *x, *y; { Image **image_1, **image_2; image_1=(Image **) x; image_2=(Image **) y; return((int) (*image_1)->scene-(int) (*image_2)->scene); } static void XAnimateBackgroundImage(display,resource_info,images,number_scenes) Display *display; XResourceInfo *resource_info; Image **images; unsigned int number_scenes; { char visual_type[MaxTextLength]; int i, scene; unsigned int height, status, width; Window root_window; XEvent event; XGCValues context_values; XPixelInfo pixel_info, scene_info; XStandardColormap *map_info; XVisualInfo *visual_info; XWindowAttributes window_attributes; XWindowInfo window_info; /* Determine target window. */ window_info.id=(Window) NULL; window_info.ximage=(XImage *) NULL; window_info.matte_image=(XImage *) NULL; window_info.pixmap=(Pixmap) NULL; window_info.matte_pixmap=(Pixmap) NULL; window_info.shared_memory=False; root_window=XRootWindow(display,XDefaultScreen(display)); if (Latin1Compare(resource_info->window_id,"root") == 0) window_info.id=root_window; else { if (isdigit(*resource_info->window_id)) window_info.id=XWindowByID(display,root_window, (Window) strtol((char *) resource_info->window_id,(char **) NULL,0)); if (window_info.id == (Window) NULL) window_info.id= XWindowByName(display,root_window,resource_info->window_id); if (window_info.id == (Window) NULL) Error("No window with specified id exists",resource_info->window_id); } /* Determine window visual id. */ window_attributes.width=XDisplayWidth(display,XDefaultScreen(display)); window_attributes.height=XDisplayHeight(display,XDefaultScreen(display)); (void) strcpy(visual_type,"default"); status=XGetWindowAttributes(display,window_info.id,&window_attributes); if (status != False) (void) sprintf(visual_type,"0x%lx", XVisualIDFromVisual(window_attributes.visual)); /* Allocate standard colormap. */ map_info=XAllocStandardColormap(); if (map_info == (XStandardColormap *) NULL) Error("Unable to create standard colormap","Memory allocation failed"); map_info->colormap=(Colormap) NULL; pixel_info.pixels=(unsigned long *) NULL; /* Initialize visual info. */ resource_info->map_type=(char *) NULL; resource_info->visual_type=visual_type; visual_info=XBestVisualInfo(display,map_info,resource_info); if (visual_info == (XVisualInfo *) NULL) Error("Unable to get visual",resource_info->visual_type); /* Sort images by increasing scene number. */ i=0; for (scene=0; scene < number_scenes; scene++) i+=images[scene]->scene; if (i > 0) qsort((void *) images,number_scenes,sizeof(Image *), (int (*) _Declare((const void *, const void *))) SceneCompare); if (resource_info->map_type == (char *) NULL) if ((visual_info->class != TrueColor) && (visual_info->class != DirectColor)) { unsigned int identical_colormap; /* Determine if the sequence of images has the identical colormap. */ identical_colormap=True; for (scene=0; scene < number_scenes; scene++) { if ((images[scene]->class == DirectClass) || (images[scene]->colors > visual_info->colormap_size)) QuantizeImage(images[scene],(unsigned int) visual_info->colormap_size,resource_info->tree_depth, resource_info->dither,resource_info->colorspace); if (images[scene]->signature == (char *) NULL) ColormapSignature(images[scene]); status=strcmp(images[scene]->signature,images[0]->signature); if (status != 0) identical_colormap=False; } if (!identical_colormap) QuantizeImages(images,number_scenes,(unsigned int) visual_info->colormap_size,resource_info->tree_depth, resource_info->dither,resource_info->colorspace); } /* Initialize Standard Colormap. */ resource_info->colormap=SharedColormap; XMakeStandardColormap(display,visual_info,resource_info,images[0],map_info, &pixel_info); /* Graphic context superclass. */ context_values.background=pixel_info.background_color.pixel; context_values.foreground=pixel_info.foreground_color.pixel; pixel_info.annotate_context=XCreateGC(display,window_info.id,GCBackground | GCForeground,&context_values); if (pixel_info.annotate_context == (GC) NULL) Error("Unable to create graphic context",(char *) NULL); /* Initialize Image window attributes. */ XGetWindowInfo(display,visual_info,map_info,&pixel_info,(XFontStruct *) NULL, resource_info,&window_info); /* Create the X image. */ window_info.width=images[0]->columns; if (window_info.width >= window_attributes.width) window_info.width=window_attributes.width; window_info.height=images[0]->rows; if (window_info.height >= window_attributes.height) window_info.height=window_attributes.height; status=XMakeImage(display,resource_info,&window_info,images[0], images[0]->columns,images[0]->rows); if (status == False) Error("Unable to create X image",(char *) NULL); window_info.x=0; window_info.y=0; if (resource_info->debug) { (void) fprintf(stderr,"Image: %s[%u] %ux%u ",images[0]->filename, images[0]->scene,images[0]->columns,images[0]->rows); if (images[0]->colors != 0) (void) fprintf(stderr,"%uc ",images[0]->colors); (void) fprintf(stderr,"%s\n",images[0]->magick); } /* Adjust image dimensions as specified by backdrop or geometry options. */ width=window_info.width; height=window_info.height; if (resource_info->backdrop) { /* Center image on window. */ window_info.x=(window_attributes.width >> 1)- (window_info.ximage->width >> 1); window_info.y=(window_attributes.height >> 1)- (window_info.ximage->height >> 1); width=window_attributes.width; height=window_attributes.height; } if (resource_info->image_geometry != (char *) NULL) { char default_geometry[MaxTextLength]; int flags, gravity; XSizeHints *size_hints; /* User specified geometry. */ size_hints=XAllocSizeHints(); if (size_hints == (XSizeHints *) NULL) Error("Unable to display on window","Memory allocation failed"); size_hints->flags=(long) NULL; (void) sprintf(default_geometry,"%ux%u",width,height); flags=XWMGeometry(display,visual_info->screen, resource_info->image_geometry,default_geometry, window_info.border_width,size_hints,&window_info.x,&window_info.y, (int *) &width,(int *) &height,&gravity); if (flags & (XValue | YValue)) { width=window_attributes.width; height=window_attributes.height; } XFree((void *) size_hints); } /* Create the X pixmap. */ window_info.pixmap= XCreatePixmap(display,window_info.id,width,height,window_info.depth); if (window_info.pixmap == (Pixmap) NULL) Error("Unable to create X pixmap",(char *) NULL); /* Display pixmap on the window. */ if ((width > window_info.width) || (height > window_info.height)) XFillRectangle(display,window_info.pixmap,window_info.annotate_context, 0,0,width,height); XPutImage(display,window_info.pixmap,window_info.annotate_context, window_info.ximage,0,0,window_info.x,window_info.y,window_info.width, window_info.height); XSetWindowBackgroundPixmap(display,window_info.id,window_info.pixmap); XClearWindow(display,window_info.id); /* Initialize image pixmaps structure. */ window_info.pixmaps=(Pixmap *) malloc(number_scenes*sizeof(Pixmap)); if (window_info.pixmaps == (Pixmap *) NULL) Error("Unable to animate images","Memory allocation failed"); window_info.pixmaps[0]=window_info.pixmap; scene_info.pixels=(unsigned long *) NULL; for (scene=1; scene < number_scenes; scene++) { /* Create X image. */ window_info.pixmap=(Pixmap) NULL; if ((resource_info->map_type != (char *) NULL) || (visual_info->class == TrueColor) || (visual_info->class == DirectColor)) if (images[scene]->class == PseudoClass) { /* Get pixel info for this scene. */ XGetPixelInfo(display,visual_info,map_info,resource_info, images[scene],&scene_info); window_info.pixel_info=(&scene_info); } status=XMakeImage(display,resource_info,&window_info,images[scene], images[scene]->columns,images[scene]->rows); /* Create the X pixmap. */ window_info.pixmap= XCreatePixmap(display,window_info.id,width,height,window_info.depth); if (window_info.pixmap == (Pixmap) NULL) Error("Unable to create X pixmap",(char *) NULL); /* Create the X pixmap. */ if ((width > window_info.width) || (height > window_info.height)) XFillRectangle(display,window_info.pixmap,window_info.annotate_context, 0,0,width,height); XPutImage(display,window_info.pixmap,window_info.annotate_context, window_info.ximage,0,0,window_info.x,window_info.y,window_info.width, window_info.height); XSetWindowBackgroundPixmap(display,window_info.id,window_info.pixmap); XClearWindow(display,window_info.id); if (resource_info->debug) { (void) fprintf(stderr,"Image: [%u] %s %ux%u ",images[scene]->scene, images[scene]->filename,images[scene]->columns,images[scene]->rows); if (images[scene]->colors != 0) (void) fprintf(stderr,"%uc ",images[scene]->colors); (void) fprintf(stderr,"%s\n",images[scene]->magick); } window_info.pixmaps[scene]=window_info.pixmap; /* Free image pixels. */ if (scene_info.pixels != (unsigned long *) NULL) free((char *) scene_info.pixels); free((char *) images[scene]->pixels); images[scene]->pixels=(RunlengthPacket *) NULL; } /* Display pixmap on the window. */ XSelectInput(display,window_info.id,StructureNotifyMask); event.type=Expose; do { for (scene=0; scene < number_scenes; scene++) { if (XEventsQueued(display,QueuedAfterFlush) > 0) { XNextEvent(display,&event); if (event.type == DestroyNotify) break; } window_info.pixmap=window_info.pixmaps[scene]; XSetWindowBackgroundPixmap(display,window_info.id,window_info.pixmap); XClearWindow(display,window_info.id); XSync(display,False); if (resource_info->delay != 0) XDelay(display,(unsigned long) resource_info->delay); } } while (event.type != DestroyNotify); /* Free resources. */ for (scene=0; scene < number_scenes; scene++) { XFreePixmap(display,window_info.pixmaps[scene]); DestroyImage(images[scene]); } free((char *) window_info.pixmaps); XDestroyImage(window_info.ximage); XFreeStandardColormap(display,visual_info,map_info,&pixel_info); XFreeGC(display,window_info.widget_context); XFreeGC(display,window_info.highlight_context); XFreeGC(display,window_info.annotate_context); XFreeCursor(display,window_info.cursor); XFreeCursor(display,window_info.busy_cursor); if (pixel_info.pixels != (unsigned long *) NULL) free((char *) pixel_info.pixels); XFree((void *) map_info); XFree((void *) visual_info); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X A n i m a t e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XAnimateImage displays an image via X11. % % The format of the XAnimateImage routine is: % % XAnimateImage(display,resource_info,argv,argc,image,number_scenes) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o argv: Specifies the application's argument list. % % o argc: Specifies the number of arguments. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % o number_scenes: Specifies the number of scenes to animate. % % */ static void XAnimateImage(display,resource_info,argv,argc,images,number_scenes) Display *display; XResourceInfo *resource_info; char **argv; int argc; Image **images; unsigned int number_scenes; { #define MaxWindows 9 #define MenuTitle "Commands" #define NumberMenus 3 static char *CommandMenu[]= { "Animate", "Speed", "Direction", "Image Info", "Help", "Quit", (char *) NULL }, *AnimateMenu[]= { "Play", "Step", "Repeat", "AutoReverse", (char *) NULL }, *SpeedMenu[]= { "Faster", "Slower", (char *) NULL }, *DirectionMenu[]= { "Forward", "Reverse", (char *) NULL }; static char **Menus[NumberMenus]= { AnimateMenu, SpeedMenu, DirectionMenu }; static KeySym CommandKeys[]= { XK_VoidSymbol, XK_VoidSymbol, XK_VoidSymbol, XK_i, XK_h, XK_q }, AnimateKeys[]= { XK_p, XK_s, XK_period, XK_a }, SpeedKeys[]= { XK_greater, XK_less }, DirectionKeys[]= { XK_f, XK_r }; static KeySym *Keys[NumberMenus]= { AnimateKeys, SpeedKeys, DirectionKeys }; static unsigned char HighlightBitmap[] = {0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55}, ShadowBitmap[] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; char command[MaxTextLength], resource_name[MaxTextLength]; Image *image; int i, scene; KeySym key_symbol; register char *p; unsigned int number_windows, state, status; Window root_window; XClassHint *class_hints; XEvent event; XFontStruct *font_info; XGCValues context_values; XPixelInfo icon_pixel, pixel_info, scene_info; XResourceInfo icon_resources; XStandardColormap *icon_map, *map_info; XTextProperty window_name; XVisualInfo *icon_visual, *visual_info; XWindowInfo *magick_windows[MaxWindows]; XWindows *windows; XWMHints *manager_hints; /* Allocate standard colormap. */ if (resource_info->debug) { XSynchronize(display,True); (void) fprintf(stderr,"Version: %s\n",Version); } map_info=XAllocStandardColormap(); icon_map=XAllocStandardColormap(); if ((map_info == (XStandardColormap *) NULL) || (icon_map == (XStandardColormap *) NULL)) Error("Unable to create standard colormap","Memory allocation failed"); map_info->colormap=(Colormap) NULL; icon_map->colormap=(Colormap) NULL; pixel_info.pixels=(unsigned long *) NULL; icon_pixel.pixels=(unsigned long *) NULL; /* Get the best visual this server supports. */ icon_resources=(*resource_info); icon_resources.map_type=(char *) NULL; icon_resources.visual_type="default"; icon_resources.colormap=SharedColormap; visual_info=XBestVisualInfo(display,map_info,resource_info); icon_visual=XBestVisualInfo(display,icon_map,&icon_resources); if ((visual_info == (XVisualInfo *) NULL) || (icon_visual == (XVisualInfo *) NULL)) Error("Unable to get visual",resource_info->visual_type); if (resource_info->debug) { (void) fprintf(stderr,"Visual:\n"); (void) fprintf(stderr," visual id: 0x%lx\n",visual_info->visualid); (void) fprintf(stderr," class: %s\n", XVisualClassName(visual_info->class)); (void) fprintf(stderr," depth: %d planes\n",visual_info->depth); (void) fprintf(stderr," size of colormap: %d entries\n", visual_info->colormap_size); (void) fprintf(stderr," red, green, blue masks: 0x%lx 0x%lx 0x%lx\n", visual_info->red_mask,visual_info->green_mask,visual_info->blue_mask); (void) fprintf(stderr," significant bits in color: %d bits\n", visual_info->bits_per_rgb); } /* Initialize atoms. */ windows=(XWindows *) malloc(sizeof(XWindows)); if (windows == (XWindows *) NULL) Error("Unable to create X windows","Memory allocation failed"); windows->wm_protocols=XInternAtom(display,"WM_PROTOCOLS",False); windows->wm_delete_window=XInternAtom(display,"WM_DELETE_WINDOW",False); windows->wm_take_focus=XInternAtom(display,"WM_TAKE_FOCUS",False); if (resource_info->debug) { (void) fprintf(stderr,"Protocols:\n"); (void) fprintf(stderr," Window Manager: 0x%lx\n",windows->wm_protocols); (void) fprintf(stderr," delete window: 0x%lx\n", windows->wm_delete_window); (void) fprintf(stderr," take focus: 0x%lx\n",windows->wm_take_focus); } /* Allocate class and manager hints. */ class_hints=XAllocClassHint(); manager_hints=XAllocWMHints(); if ((class_hints == (XClassHint *) NULL) || (manager_hints == (XWMHints *) NULL)) Error("Unable to allocate X hints",(char *) NULL); /* Initialize window id's. */ root_window=XRootWindow(display,visual_info->screen); number_windows=0; magick_windows[number_windows++]=(&windows->backdrop); magick_windows[number_windows++]=(&windows->icon); magick_windows[number_windows++]=(&windows->image); magick_windows[number_windows++]=(&windows->info); magick_windows[number_windows++]=(&windows->command); magick_windows[number_windows++]=(&windows->widget); for (i=0; i < number_windows; i++) magick_windows[i]->id=(Window) NULL; /* Sort images by increasing scene number. */ i=0; for (scene=0; scene < number_scenes; scene++) i+=images[scene]->scene; if (i > 0) qsort((void *) images,number_scenes,sizeof(Image *), (int (*) _Declare((const void *, const void *))) SceneCompare); if (resource_info->map_type == (char *) NULL) if ((visual_info->class != TrueColor) && (visual_info->class != DirectColor)) { unsigned int identical_colormap; /* Determine if the sequence of images has the identical colormap. */ identical_colormap=True; for (scene=0; scene < number_scenes; scene++) { if ((images[scene]->class == DirectClass) || (images[scene]->colors > visual_info->colormap_size)) QuantizeImage(images[scene],(unsigned int) visual_info->colormap_size,resource_info->tree_depth, resource_info->dither,resource_info->colorspace); if (images[scene]->signature == (char *) NULL) ColormapSignature(images[scene]); status=strcmp(images[scene]->signature,images[0]->signature); if (status != 0) identical_colormap=False; } if (!identical_colormap) QuantizeImages(images,number_scenes,(unsigned int) visual_info->colormap_size,resource_info->tree_depth, resource_info->dither,resource_info->colorspace); } /* Initialize Standard Colormap. */ XMakeStandardColormap(display,visual_info,resource_info,images[0],map_info, &pixel_info); /* Initialize font info. */ font_info=XBestFont(display,resource_info,False); if (font_info == (XFontStruct *) NULL) Error("Unable to load font",resource_info->font); /* Initialize graphic context. */ windows->context.id=(Window) NULL; XGetWindowInfo(display,visual_info,map_info,&pixel_info,font_info, resource_info,&windows->context); class_hints->res_name="superclass"; class_hints->res_class="Animate"; manager_hints->flags=InputHint | StateHint; manager_hints->input=False; manager_hints->initial_state=WithdrawnState; XMakeWindow(display,root_window,argv,argc,class_hints,manager_hints, &windows->context); if (resource_info->debug) (void) fprintf(stderr,"Window id: 0x%lx (context)\n",windows->context.id); context_values.background=pixel_info.background_color.pixel; context_values.font=font_info->fid; context_values.foreground=pixel_info.foreground_color.pixel; context_values.graphics_exposures=False; pixel_info.annotate_context=XCreateGC(display,windows->context.id, GCBackground | GCFont | GCForeground | GCGraphicsExposures,&context_values); if (pixel_info.annotate_context == (GC) NULL) Error("Unable to create graphic context",(char *) NULL); context_values.background=pixel_info.depth_color.pixel; pixel_info.widget_context=XCreateGC(display,windows->context.id, GCBackground | GCFont | GCForeground | GCGraphicsExposures,&context_values); if (pixel_info.widget_context == (GC) NULL) Error("Unable to create graphic context",(char *) NULL); context_values.background=pixel_info.foreground_color.pixel; context_values.foreground=pixel_info.background_color.pixel; pixel_info.highlight_context=XCreateGC(display,windows->context.id, GCBackground | GCFont | GCForeground | GCGraphicsExposures,&context_values); if (pixel_info.highlight_context == (GC) NULL) Error("Unable to create graphic context",(char *) NULL); XDestroyWindow(display,windows->context.id); /* Initialize icon window. */ XGetWindowInfo(display,icon_visual,icon_map,&icon_pixel,(XFontStruct *) NULL, &icon_resources,&windows->icon); windows->icon.geometry=resource_info->icon_geometry; XBestIconSize(display,&windows->icon,images[0]); windows->icon.attributes.colormap= XDefaultColormap(display,icon_visual->screen); windows->icon.attributes.event_mask=StructureNotifyMask; class_hints->res_name="icon"; manager_hints->flags=InputHint | StateHint; manager_hints->input=False; manager_hints->initial_state=IconicState; XMakeWindow(display,root_window,argv,argc,class_hints,manager_hints, &windows->icon); if (resource_info->debug) (void) fprintf(stderr,"Window id: 0x%lx (icon)\n",windows->icon.id); /* Initialize graphic context for icon window. */ context_values.background=icon_pixel.background_color.pixel; context_values.foreground=icon_pixel.foreground_color.pixel; icon_pixel.annotate_context=XCreateGC(display,windows->icon.id, GCBackground | GCForeground,&context_values); if (icon_pixel.annotate_context == (GC) NULL) Error("Unable to create graphic context",(char *) NULL); windows->icon.annotate_context=icon_pixel.annotate_context; /* Initialize Image window. */ XGetWindowInfo(display,visual_info,map_info,&pixel_info,font_info, resource_info,&windows->image); windows->image.name=(char *) malloc(MaxTextLength*sizeof(char)); windows->image.icon_name=(char *) malloc(MaxTextLength*sizeof(char)); if ((windows->image.name == NULL) || (windows->image.icon_name == NULL)) Error("Unable to create Image window","Memory allocation failed"); if (resource_info->title != (char *) NULL) { /* User specified window name. */ (void) strcpy(windows->image.name,resource_info->title); (void) strcpy(windows->image.icon_name,resource_info->title); } else { register char *p; /* Window name is the base of the filename. */ p=images[0]->filename+strlen(images[0]->filename)-1; while ((p > images[0]->filename) && (*(p-1) != *BasenameSeparator)) p--; (void) strcpy(windows->image.name,"ImageMagick: "); (void) strcat(windows->image.name,p); (void) strcpy(windows->image.icon_name,p); } windows->image.geometry=resource_info->image_geometry; windows->image.width=images[0]->columns; if (windows->image.width >= XDisplayWidth(display,visual_info->screen)) windows->image.width=XDisplayWidth(display,visual_info->screen); windows->image.height=images[0]->rows; if (windows->image.height >= XDisplayHeight(display,visual_info->screen)) windows->image.height=XDisplayHeight(display,visual_info->screen); windows->image.attributes.event_mask=ButtonMotionMask | ButtonPressMask | ButtonReleaseMask | EnterWindowMask | ExposureMask | KeyPressMask | LeaveWindowMask | OwnerGrabButtonMask | StructureNotifyMask; XGetWindowInfo(display,visual_info,map_info,&pixel_info,font_info, resource_info,&windows->backdrop); if (resource_info->backdrop) { /* Initialize backdrop window. */ windows->backdrop.x=0; windows->backdrop.y=0; windows->backdrop.name="ImageMagick Background"; windows->backdrop.flags=USSize | USPosition; windows->backdrop.width=XDisplayWidth(display,visual_info->screen); windows->backdrop.height=XDisplayHeight(display,visual_info->screen); windows->backdrop.border_width=0; windows->backdrop.immutable=True; windows->backdrop.attributes.do_not_propagate_mask= ButtonPressMask | ButtonReleaseMask; windows->backdrop.attributes.event_mask=ButtonPressMask | KeyPressMask | StructureNotifyMask; windows->backdrop.attributes.override_redirect=True; class_hints->res_name="backdrop"; manager_hints->flags=IconWindowHint | InputHint | StateHint; manager_hints->icon_window=windows->icon.id; manager_hints->input=True; manager_hints->initial_state= resource_info->iconic ? IconicState : NormalState; XMakeWindow(display,root_window,argv,argc,class_hints,manager_hints, &windows->backdrop); if (resource_info->debug) (void) fprintf(stderr,"Window id: 0x%lx (backdrop)\n", windows->backdrop.id); XMapWindow(display,windows->backdrop.id); XClearWindow(display,windows->backdrop.id); /* Position image in the center the backdrop. */ windows->image.flags|=USPosition; windows->image.x=(XDisplayWidth(display,visual_info->screen) >> 1)- (windows->image.width >> 1); windows->image.y=(XDisplayHeight(display,visual_info->screen) >> 1)- (windows->image.height >> 1); } if (resource_info->name == (char *) NULL) class_hints->res_name=client_name; else class_hints->res_name=resource_info->name; manager_hints->flags=IconWindowHint | InputHint | StateHint; manager_hints->icon_window=windows->icon.id; manager_hints->input=True; manager_hints->initial_state= resource_info->iconic ? IconicState : NormalState; XMakeWindow(display,(resource_info->backdrop ? windows->backdrop.id : root_window),argv,argc,class_hints,manager_hints,&windows->image); if (resource_info->debug) (void) fprintf(stderr,"Window id: 0x%lx (image)\n",windows->image.id); /* Initialize image X image structure. */ windows->image.x=0; windows->image.y=0; status=XMakeImage(display,resource_info,&windows->image,images[0], images[0]->columns,images[0]->rows); status|=XMakePixmap(display,resource_info,&windows->image); if (status == False) Error("Unable to create X image",(char *) NULL); if (resource_info->debug) { (void) fprintf(stderr,"Image: [%u] %s %ux%u ",images[0]->scene, images[0]->filename,images[0]->columns,images[0]->rows); if (images[0]->colors != 0) (void) fprintf(stderr,"%uc ",images[0]->colors); (void) fprintf(stderr,"%s\n",images[0]->magick); } /* Initialize info window. */ XGetWindowInfo(display,visual_info,map_info,&pixel_info,font_info, resource_info,&windows->info); windows->info.name="Info"; windows->info.border_width=1; windows->info.x=2; windows->info.y=2; windows->info.flags|=PPosition; windows->info.attributes.win_gravity=UnmapGravity; windows->info.attributes.event_mask=ButtonPressMask | StructureNotifyMask; class_hints->res_name="info"; manager_hints->flags=InputHint | StateHint | WindowGroupHint; manager_hints->input=False; manager_hints->initial_state=NormalState; manager_hints->window_group=windows->image.id; XMakeWindow(display,windows->image.id,argv,argc,class_hints,manager_hints, &windows->info); XSetTransientForHint(display,windows->info.id,windows->image.id); if (resource_info->debug) (void) fprintf(stderr,"Window id: 0x%lx (info)\n",windows->info.id); /* Initialize command window. */ XGetWindowInfo(display,visual_info,map_info,&pixel_info,font_info, resource_info,&windows->command); (void) sprintf(resource_name,"%s.command",client_name); windows->command.geometry=XGetResourceClass(resource_info->resource_database, resource_name,"geometry",(char *) NULL); windows->command.name="Command"; windows->command.border_width=0; windows->command.flags|=PPosition; windows->command.attributes.backing_store=WhenMapped; windows->command.attributes.save_under=True; windows->command.attributes.event_mask=ButtonMotionMask | ButtonPressMask | ButtonReleaseMask | EnterWindowMask | ExposureMask | LeaveWindowMask | OwnerGrabButtonMask | StructureNotifyMask; class_hints->res_name="command"; manager_hints->flags=InputHint | StateHint | WindowGroupHint; manager_hints->input=False; manager_hints->initial_state=NormalState; manager_hints->window_group=windows->image.id; XMakeWindow(display,root_window,argv,argc,class_hints,manager_hints, &windows->command); windows->command.highlight_stipple=XCreateBitmapFromData(display, windows->command.id,(char *) HighlightBitmap,8,8); windows->command.shadow_stipple=XCreateBitmapFromData(display, windows->command.id,(char *) ShadowBitmap,8,8); XSetTransientForHint(display,windows->command.id,windows->image.id); windows->command.data=NumberMenus; (void) XCommandWidget(display,windows,CommandMenu,(XEvent *) NULL); if (resource_info->debug) (void) fprintf(stderr,"Window id: 0x%lx (command)\n",windows->command.id); /* Initialize widget window. */ XGetWindowInfo(display,visual_info,map_info,&pixel_info,font_info, resource_info,&windows->widget); windows->widget.name=(char *) malloc(MaxTextLength*sizeof(char)); if (windows->widget.name == NULL) Error("Unable to create widget window","Memory allocation failed"); *windows->widget.name='\0'; windows->widget.border_width=0; windows->widget.flags|=PPosition; windows->widget.attributes.backing_store=WhenMapped; windows->widget.attributes.save_under=True; windows->widget.attributes.event_mask=ButtonMotionMask | ButtonPressMask | ButtonReleaseMask | EnterWindowMask | ExposureMask | KeyPressMask | KeyReleaseMask | LeaveWindowMask | StructureNotifyMask; class_hints->res_name="widget"; manager_hints->flags=InputHint | StateHint | WindowGroupHint; manager_hints->input=False; manager_hints->initial_state=NormalState; manager_hints->window_group=windows->image.id; XMakeWindow(display,root_window,argv,argc,class_hints,manager_hints, &windows->widget); windows->widget.highlight_stipple=windows->command.highlight_stipple; windows->widget.shadow_stipple=windows->command.shadow_stipple; XSetTransientForHint(display,windows->widget.id,windows->image.id); if (resource_info->debug) (void) fprintf(stderr,"Window id: 0x%lx (widget)\n",windows->widget.id); windows->popup.id=(Window) NULL; XGetWindowInfo(display,visual_info,map_info,&pixel_info,font_info, resource_info,&windows->popup); windows->pan.id=(Window) NULL; XGetWindowInfo(display,visual_info,map_info,&pixel_info,font_info, resource_info,&windows->pan); windows->magnify.id=(Window) NULL; XGetWindowInfo(display,visual_info,map_info,&pixel_info,font_info, resource_info,&windows->magnify); /* Initialize image pixmaps structure. */ XMapWindow(display,windows->image.id); windows->image.pixmaps=(Pixmap *) malloc(number_scenes*sizeof(Pixmap)); if (windows->image.pixmaps == (Pixmap *) NULL) Error("Unable to animate images","Memory allocation failed"); windows->image.pixmaps[0]=windows->image.pixmap; scene_info.pixels=(unsigned long *) NULL; for (scene=1; scene < number_scenes; scene++) { /* Create X image. */ windows->image.pixmap=(Pixmap) NULL; if ((resource_info->map_type != (char *) NULL) || (visual_info->class == TrueColor) || (visual_info->class == DirectColor)) if (images[scene]->class == PseudoClass) { /* Get pixel info for this scene. */ XGetPixelInfo(display,visual_info,map_info,resource_info, images[scene],&scene_info); windows->image.pixel_info=(&scene_info); } status=XMakeImage(display,resource_info,&windows->image,images[scene], images[scene]->columns,images[scene]->rows); status|=XMakePixmap(display,resource_info,&windows->image); if (status == False) Error("Unable to create X image",(char *) NULL); if (resource_info->debug) { (void) fprintf(stderr,"Image: [%u] %s %ux%u ",images[scene]->scene, images[scene]->filename,images[scene]->columns,images[scene]->rows); if (images[scene]->colors != 0) (void) fprintf(stderr,"%uc ",images[scene]->colors); (void) fprintf(stderr,"%s\n",images[scene]->magick); } /* Window name is the base of the filename. */ p=images[scene]->filename+strlen(images[scene]->filename)-1; while ((p > images[scene]->filename) && (*(p-1) != '/')) p--; (void) strcpy(windows->image.name,"ImageMagick: "); (void) strcat(windows->image.name,p); status=XStringListToTextProperty(&windows->image.name,1,&window_name); if (status != 0) { XSetWMName(display,windows->image.id,&window_name); XFree((void *) window_name.value); } windows->image.pixmaps[scene]=windows->image.pixmap; if (images[scene]->matte) XClearWindow(display,windows->image.id); XRefreshWindow(display,&windows->image,(XEvent *) NULL); XSync(display,False); /* Free image pixels. */ if (scene_info.pixels != (unsigned long *) NULL) free((char *) scene_info.pixels); free((char *) images[scene]->pixels); images[scene]->pixels=(RunlengthPacket *) NULL; } windows->image.pixel_info=(&pixel_info); /* Respond to events. */ scene=0; image=images[0]; state=ForwardAnimationState | PlayAnimationState | RepeatAnimationState; do { if (XEventsQueued(display,QueuedAfterFlush) == 0) if ((state & PlayAnimationState) || (state & StepAnimationState)) { if (windows->info.mapped) XWithdrawWindow(display,windows->info.id,windows->info.screen); if (resource_info->title == (char *) NULL) { /* Window name is the base of the filename. */ p=images[scene]->filename+strlen(images[scene]->filename)-1; while ((p > images[scene]->filename) && (*(p-1) != '/')) p--; (void) strcpy(windows->image.name,"ImageMagick: "); (void) strcat(windows->image.name,p); status= XStringListToTextProperty(&windows->image.name,1,&window_name); if (status != 0) { XSetWMName(display,windows->image.id,&window_name); XFree((void *) window_name.value); } } /* Copy X pixmap to Image window. */ image=images[scene]; windows->image.pixmap=windows->image.pixmaps[scene]; if (images[scene]->matte) XClearWindow(display,windows->image.id); XRefreshWindow(display,&windows->image,(XEvent *) NULL); XSync(display,False); if (state & StepAnimationState) { char text[MaxTextLength]; p=images[scene]->filename+strlen(images[scene]->filename)-1; while ((p > images[scene]->filename) && (*(p-1) != '/')) p--; (void) sprintf(text,"%s[%d]",p,scene); XInfoWidget(display,windows,text); state&=(~StepAnimationState); } if (resource_info->delay != 0) XDelay(display,(unsigned long) resource_info->delay); if (state & ForwardAnimationState) { /* Forward animation: increment scene number. */ scene++; if (scene == number_scenes) if (state & AutoReverseAnimationState) { state&=(~ForwardAnimationState); scene--; } else { if (!(state & RepeatAnimationState)) state&=(~PlayAnimationState); scene=0; } } else { /* Reverse animation: decrement scene number. */ scene--; if (scene < 0) if (state & AutoReverseAnimationState) { state|=ForwardAnimationState; scene=0; } else { if (!(state & RepeatAnimationState)) state&=(~PlayAnimationState); scene=number_scenes-1; } } continue; } /* Handle a window event. */ XNextEvent(display,&event); if (event.xany.window == windows->command.id) { int id; /* Select a command from the Command widget. */ id=XCommandWidget(display,windows,CommandMenu,&event); if (id < 0) continue; (void) strcpy(command,CommandMenu[id]); key_symbol=CommandKeys[id]; if (id < NumberMenus) { int entry; /* Select a command from a pop-up menu. */ entry=XMenuWidget(display,windows,CommandMenu[id],Menus[id], command); if (entry < 0) continue; (void) strcpy(command,Menus[id][entry]); key_symbol=Keys[id][entry]; } if (key_symbol != XK_VoidSymbol) XMagickCommand(display,resource_info,windows,key_symbol,&image, &state); continue; } switch (event.type) { case ButtonPress: { if (resource_info->debug) (void) fprintf(stderr,"Button Press: 0x%lx %u +%d+%d\n", event.xbutton.window,event.xbutton.button,event.xbutton.x, event.xbutton.y); if (event.xbutton.window == windows->backdrop.id) { XSetInputFocus(display,event.xbutton.window,RevertToParent, event.xbutton.time); break; } if (event.xbutton.window == windows->image.id) { /* Map/unmap Command widget. */ if (windows->command.mapped) XWithdrawWindow(display,windows->command.id, windows->command.screen); else { (void) XCommandWidget(display,windows,CommandMenu, (XEvent *) NULL); XMapRaised(display,windows->command.id); } } break; } case ClientMessage: { /* If client window delete message, exit. */ if (event.xclient.message_type != windows->wm_protocols) break; if (*event.xclient.data.l == windows->wm_take_focus) { XSetInputFocus(display,event.xclient.window,RevertToParent, event.xclient.data.l[1]); break; } if (*event.xclient.data.l != windows->wm_delete_window) break; XWithdrawWindow(display,event.xclient.window,visual_info->screen); if (event.xclient.window == windows->image.id) { state|=ExitState; break; } break; } case ConfigureNotify: { if (resource_info->debug) (void) fprintf(stderr,"Configure Notify: 0x%lx %dx%d+%d+%d %d\n", event.xconfigure.window,event.xconfigure.width, event.xconfigure.height,event.xconfigure.x,event.xconfigure.y, event.xconfigure.send_event); if (event.xconfigure.window == windows->image.id) { if (event.xconfigure.send_event != 0) if (windows->command.geometry == (char *) NULL) if (!windows->command.mapped) { XWindowChanges window_changes; /* Position the Command widget relative of the Image window. */ windows->command.x= event.xconfigure.x-windows->command.width-25; windows->command.y=event.xconfigure.y; window_changes.x=windows->command.x; window_changes.y=windows->command.y; XReconfigureWMWindow(display,windows->command.id, windows->command.screen,CWX | CWY,&window_changes); } /* Image window has a new configuration. */ windows->image.width=event.xconfigure.width; windows->image.height=event.xconfigure.height; break; } if (event.xconfigure.window == windows->icon.id) { /* Icon window has a new configuration. */ windows->icon.width=event.xconfigure.width; windows->icon.height=event.xconfigure.height; break; } } case EnterNotify: { /* Selectively install colormap. */ if (map_info->colormap != XDefaultColormap(display,visual_info->screen)) if (event.xcrossing.mode != NotifyUngrab) XInductColormap(display,map_info->colormap); break; } case Expose: { if (resource_info->debug) (void) fprintf(stderr,"Expose: 0x%lx %dx%d+%d+%d\n", event.xexpose.window,event.xexpose.width,event.xexpose.height, event.xexpose.x,event.xexpose.y); /* Repaint windows that are now exposed. */ if (event.xexpose.window == windows->image.id) { windows->image.pixmap=windows->image.pixmaps[scene]; XRefreshWindow(display,&windows->image,&event); break; } break; } case KeyPress: { static char command[MaxTextLength]; static int length; static KeySym key_symbol; /* Respond to a user key press. */ length=XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); *(command+length)='\0'; if (resource_info->debug) (void) fprintf(stderr,"Key press: 0x%lx (%c)\n",key_symbol,*command); if (key_symbol == XK_Help) Usage(False); else if (!IsCursorKey(key_symbol)) XMagickCommand(display,resource_info,windows,key_symbol,&image, &state); break; } case LeaveNotify: { /* Selectively uninstall colormap. */ if (map_info->colormap != XDefaultColormap(display,visual_info->screen)) if (event.xcrossing.mode != NotifyUngrab) XUninductColormap(display,map_info->colormap); break; } case MapNotify: { if (resource_info->debug) (void) fprintf(stderr,"Map Notify: 0x%lx\n",event.xmap.window); if (event.xmap.window == windows->backdrop.id) { XSetInputFocus(display,event.xmap.window,RevertToParent, CurrentTime); windows->backdrop.mapped=True; break; } if (event.xmap.window == windows->image.id) { if (windows->backdrop.id != (Window) NULL) XInstallColormap(display,map_info->colormap); windows->image.mapped=True; break; } if (event.xmap.window == windows->info.id) { windows->info.mapped=True; break; } if (event.xmap.window == windows->icon.id) { /* Create an icon image. */ XMakeStandardColormap(display,icon_visual,&icon_resources,images[0], icon_map,&icon_pixel); (void) XMakeImage(display,&icon_resources,&windows->icon,images[0], windows->icon.width,windows->icon.height); (void) XMakePixmap(display,&icon_resources,&windows->icon); XSetWindowBackgroundPixmap(display,windows->icon.id, windows->icon.pixmap); XClearWindow(display,windows->icon.id); windows->icon.mapped=True; break; } break; } case MappingNotify: { XRefreshKeyboardMapping(&event.xmapping); break; } case ReparentNotify: { if (resource_info->debug) (void) fprintf(stderr,"Reparent Notify: 0x%lx=>0x%lx\n", event.xreparent.parent,event.xreparent.window); break; } case UnmapNotify: { if (resource_info->debug) (void) fprintf(stderr,"Unmap Notify: 0x%lx\n",event.xunmap.window); if (event.xunmap.window == windows->image.id) { windows->image.mapped=False; break; } if (event.xunmap.window == windows->info.id) { windows->info.mapped=False; break; } if (event.xunmap.window == windows->icon.id) { windows->icon.mapped=False; break; } if (event.xunmap.window == windows->popup.id) { if (windows->backdrop.id != (Window) NULL) XSetInputFocus(display,windows->image.id,RevertToParent, CurrentTime); windows->popup.mapped=False; break; } if (event.xunmap.window == windows->widget.id) { if (windows->backdrop.id != (Window) NULL) XSetInputFocus(display,windows->image.id,RevertToParent, CurrentTime); windows->widget.mapped=False; break; } break; } default: { if (resource_info->debug) (void) fprintf(stderr,"Event type: %d\n",event.type); break; } } } while (!(state & ExitState)); /* Free X resources. */ free((char *) windows->widget.name); free((char *) windows->image.name); free((char *) windows->image.icon_name); if (resource_info->backdrop) XFreeCursor(display,windows->backdrop.cursor); if (windows->widget.highlight_stipple != (Pixmap) NULL) XFreePixmap(display,windows->widget.highlight_stipple); if (windows->widget.highlight_stipple != (Pixmap) NULL) XFreePixmap(display,windows->widget.shadow_stipple); XFreeGC(display,pixel_info.widget_context); XFreeGC(display,pixel_info.highlight_context); XFreeGC(display,pixel_info.annotate_context); XFreeGC(display,icon_pixel.annotate_context); XFreeFont(display,font_info); /* Destroy X windows. */ for (i=0; i < number_windows; i++) { if (magick_windows[i]->id != (Window) NULL) XDestroyWindow(display,magick_windows[i]->id); if (magick_windows[i]->ximage != (XImage *) NULL) { free((char *) magick_windows[i]->ximage->data); magick_windows[i]->ximage->data=(char *) NULL; XDestroyImage(magick_windows[i]->ximage); } if (magick_windows[i]->pixmap != (Pixmap) NULL) XFreePixmap(display,magick_windows[i]->pixmap); XFreeCursor(display,magick_windows[i]->cursor); XFreeCursor(display,magick_windows[i]->busy_cursor); } for (scene=0; scene < number_scenes; scene++) { XFreePixmap(display,windows->image.pixmaps[scene]); DestroyImage(images[scene]); } free((char *) windows->image.pixmaps); /* Free Standard Colormap. */ XFreeStandardColormap(display,icon_visual,icon_map,&icon_pixel); if (resource_info->map_type == (char *) NULL) XFreeStandardColormap(display,visual_info,map_info,&pixel_info); free((char *) windows); XFree((void *) manager_hints); XFree((void *) class_hints); XFree((void *) icon_visual); XFree((void *) visual_info); XFree((void *) icon_map); XFree((void *) map_info); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X M a g i c k C o m m a n d % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XMagickCommand makes a transform to the image or Image window as % specified by a user menu button or keyboard command. % % The format of the XMagickCommand routine is: % % XMagickCommand(display,resource_info,windows,image,key_symbol,state); % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o windows: Specifies a pointer to a XWindows structure. % % o image: Specifies a pointer to a Image structure; XMagickCommand % may transform the image and return a new image pointer. % % o state: Specifies an unsigned int; XMagickCommand may return a % modified state. % % */ static void XMagickCommand(display,resource_info,windows,key_symbol,image,state) Display *display; XResourceInfo *resource_info; XWindows *windows; KeySym key_symbol; Image **image; unsigned int *state; { /* Process user command. */ if (windows->info.mapped) XWithdrawWindow(display,windows->info.id,windows->info.screen); switch (key_symbol) { case XK_KP_Space: break; case XK_less: { resource_info->delay<<=1; if (resource_info->delay == 0) resource_info->delay=1; break; } case XK_greater: { resource_info->delay>>=1; break; } case XK_period: { *state|=RepeatAnimationState; *state&=(~AutoReverseAnimationState); *state|=PlayAnimationState; break; } case XK_a: { *state|=AutoReverseAnimationState; *state&=(~RepeatAnimationState); *state|=PlayAnimationState; break; } case XK_f: { *state=ForwardAnimationState; *state&=(~AutoReverseAnimationState); break; } case XK_i: { XDisplayImageInfo(display,resource_info,windows,*image); break; } case XK_p: { *state|=PlayAnimationState; *state&=(~AutoReverseAnimationState); break; } case XK_s: case XK_Return: case XK_KP_Enter: { *state|=StepAnimationState; *state&=(~PlayAnimationState); break; } case XK_h: case XK_F1: case XK_Help: { XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Animate",ImageMagickHelp); break; } case XK_q: { /* Exit program */ if (!resource_info->confirm_exit) *state|=ExitState; else { int status; /* Confirm program exit. */ status=XConfirmWidget(display,windows,"Do you really want to exit", client_name); if (status == True) *state|=ExitState; } break; } case XK_r: case XK_BackSpace: { *state&=(~ForwardAnimationState); *state&=(~AutoReverseAnimationState); break; } default: { if (!IsModifierKey(key_symbol)) XBell(display,0); break; } } } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a i n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ int main(argc,argv) int argc; char **argv; { char *option, *resource_value, *server_name; Display *display; Image **images; ImageInfo image_info; int i, x; unsigned int first_scene, image_number, last_scene, maximum_images, scene; XResourceInfo resource_info; XrmDatabase resource_database; /* Display usage profile if there are no command line arguments. */ client_name=ClientName(*argv); if (argc < 2) Usage(True); /* Set defaults. */ display=(Display *) NULL; first_scene=0; GetImageInfo(&image_info); last_scene=0; server_name=(char *) NULL; maximum_images=MaxTextLength; images=(Image **) malloc(maximum_images*sizeof(Image *)); if (images == (Image **) NULL) Error("Unable to animate images","Memory allocation failed"); /* Check for server name specified on the command line. */ ExpandFilenames(&argc,&argv); for (i=1; i < argc; i++) { /* Check command line for server name. */ option=argv[i]; if (((int) strlen(option) == 1) || ((*option != '-') && (*option != '+'))) continue; if (strncmp("display",option+1,3) == 0) { /* User specified server name. */ i++; if (i == argc) Error("Missing server name on -display",(char *) NULL); server_name=argv[i]; break; } if (strncmp("help",option+1,2) == 0) Usage(True); } /* Open X server connection. */ display=XOpenDisplay(server_name); if (display == (Display *) NULL) Error("Unable to connect to X server",XDisplayName(server_name)); /* Set our forgiving error handler. */ XSetErrorHandler(XError); /* Get user defaults from X resource database. */ resource_database=XGetResourceDatabase(display,client_name); XGetResourceInfo(resource_database,client_name,&resource_info); resource_value=XGetResourceClass(resource_database,client_name,"delay","100"); resource_info.delay=atoi(resource_value); image_info.density=XGetResourceClass(resource_database,client_name,"density", (char *) NULL); resource_value= XGetResourceClass(resource_database,client_name,"interlace","none"); image_info.interlace=UndefinedInterlace; if (Latin1Compare("none",resource_value) == 0) image_info.interlace=NoneInterlace; if (Latin1Compare("line",resource_value) == 0) image_info.interlace=LineInterlace; if (Latin1Compare("plane",resource_value) == 0) image_info.interlace=PlaneInterlace; if (image_info.interlace == UndefinedInterlace) Warning("Unrecognized interlace type",resource_value); resource_value= XGetResourceClass(resource_database,client_name,"verbose","False"); image_info.verbose=IsTrue(resource_value); /* Parse command line. */ image_number=0; for (i=1; i < argc; i++) { option=argv[i]; if (((int) strlen(option) > 1) && ((*option == '-') || (*option == '+'))) switch (*(option+1)) { case 'b': { if (strncmp("backdrop",option+1,5) == 0) { resource_info.backdrop=(*option == '-'); break; } if (strncmp("background",option+1,5) == 0) { resource_info.background_color=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing color on -background",(char *) NULL); resource_info.background_color=argv[i]; } break; } if (strncmp("bordercolor",option+1,7) == 0) { resource_info.border_color=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing color on -bordercolor",(char *) NULL); resource_info.border_color=argv[i]; } break; } if (strncmp("borderwidth",option+1,7) == 0) { resource_info.border_width=0; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing width on -borderwidth",(char *) NULL); resource_info.border_width=atoi(argv[i]); } break; } Error("Unrecognized option",option); break; } case 'c': { if (strncmp("colormap",option+1,6) == 0) { resource_info.colormap=PrivateColormap; if (*option == '-') { i++; if (i == argc) Error("Missing type on -colormap",(char *) NULL); option=argv[i]; resource_info.colormap=UndefinedColormap; if (Latin1Compare("private",option) == 0) resource_info.colormap=PrivateColormap; if (Latin1Compare("shared",option) == 0) resource_info.colormap=SharedColormap; if (resource_info.colormap == UndefinedColormap) Error("Invalid colormap type on -colormap",option); } break; } if (strncmp("colors",option+1,7) == 0) { resource_info.number_colors=0; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing colors on -colors",(char *) NULL); resource_info.number_colors=atoi(argv[i]); } break; } if (strncmp("colorspace",option+1,7) == 0) { resource_info.colorspace=RGBColorspace; if (*option == '-') { i++; if (i == argc) Error("Missing type on -colorspace",(char *) NULL); option=argv[i]; resource_info.colorspace=UndefinedColorspace; if (Latin1Compare("gray",option) == 0) { resource_info.colorspace=GRAYColorspace; resource_info.number_colors=256; resource_info.tree_depth=8; } if (Latin1Compare("ohta",option) == 0) resource_info.colorspace=OHTAColorspace; if (Latin1Compare("rgb",option) == 0) resource_info.colorspace=RGBColorspace; if (Latin1Compare("xyz",option) == 0) resource_info.colorspace=XYZColorspace; if (Latin1Compare("ycbcr",option) == 0) resource_info.colorspace=YCbCrColorspace; if (Latin1Compare("yiq",option) == 0) resource_info.colorspace=YIQColorspace; if (Latin1Compare("ypbpr",option) == 0) resource_info.colorspace=YPbPrColorspace; if (Latin1Compare("yuv",option) == 0) resource_info.colorspace=YUVColorspace; if (resource_info.colorspace == UndefinedColorspace) Error("Invalid colorspace type on -colorspace",option); } break; } if (strncmp("crop",option+1,2) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -crop",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'd': { if (strncmp("debug",option+1,3) == 0) { resource_info.debug=(*option == '-'); break; } if (strncmp("delay",option+1,3) == 0) { resource_info.delay=0; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing seconds on -delay",(char *) NULL); resource_info.delay=atoi(argv[i]); } break; } if (strncmp("density",option+1,3) == 0) { image_info.density=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -density",(char *) NULL); image_info.density=argv[i]; } break; } if (strncmp("display",option+1,3) == 0) { server_name=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing server name on -display",(char *) NULL); server_name=argv[i]; } break; } if (strncmp("dither",option+1,3) == 0) { resource_info.dither=(*option == '-'); break; } Error("Unrecognized option",option); break; } case 'f': { if (strncmp("font",option+1,3) == 0) { resource_info.font=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing font name on -font",(char *) NULL); resource_info.font=argv[i]; } break; } if (strncmp("foreground",option+1,3) == 0) { resource_info.foreground_color=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing foreground on -foreground",(char *) NULL); resource_info.foreground_color=argv[i]; } break; } Error("Unrecognized option",option); break; } case 'g': { if (strncmp("gamma",option+1,2) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing value on -gamma",(char *) NULL); } break; } if (strncmp("geometry",option+1,2) == 0) { resource_info.image_geometry=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -geometry",(char *) NULL); resource_info.image_geometry=argv[i]; } break; } Error("Unrecognized option",option); break; } case 'h': { if (strncmp("help",option+1,2) == 0) { Usage(True); break; } Error("Unrecognized option",option); break; } case 'i': { if (strncmp("iconGeometry",option+1,5) == 0) { resource_info.icon_geometry=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -iconGeometry",(char *) NULL); resource_info.icon_geometry=argv[i]; } break; } if (strncmp("iconic",option+1,5) == 0) { resource_info.iconic=(*option == '-'); break; } if (strncmp("interlace",option+1,3) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing type on -interlace",(char *) NULL); option=argv[i]; image_info.interlace=UndefinedInterlace; if (Latin1Compare("none",option) == 0) image_info.interlace=NoneInterlace; if (Latin1Compare("line",option) == 0) image_info.interlace=LineInterlace; if (Latin1Compare("plane",option) == 0) image_info.interlace=PlaneInterlace; if (image_info.interlace == UndefinedInterlace) Error("Invalid interlace type on -interlace",option); } break; } Error("Unrecognized option",option); break; } case 'm': { if (strncmp("map",option+1,3) == 0) { resource_info.map_type=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing map type on -map",(char *) NULL); resource_info.map_type=argv[i]; } break; } if (strcmp("matte",option+1) == 0) break; if (strncmp("mattecolor",option+1,6) == 0) { resource_info.matte_color=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing color on -mattecolor",(char *) NULL); resource_info.matte_color=argv[i]; } break; } if (strncmp("monochrome",option+1,2) == 0) { resource_info.monochrome=(*option == '-'); if (resource_info.monochrome) { resource_info.number_colors=2; resource_info.tree_depth=8; resource_info.colorspace=GRAYColorspace; } break; } Error("Unrecognized option",option); break; } case 'n': { resource_info.name=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing name on -name",(char *) NULL); resource_info.name=argv[i]; } break; } case 's': { if (strncmp("scene",option+1,3) == 0) { first_scene=0; last_scene=0; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing scene number on -scene",(char *) NULL); first_scene=atoi(argv[i]); last_scene=first_scene; (void) sscanf(argv[i],"%u-%u",&first_scene,&last_scene); } break; } if (strncmp("shared_memory",option+1,4) == 0) { resource_info.use_shared_memory=(*option == '-'); break; } if (strncmp("size",option+1,2) == 0) { image_info.size=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -size",(char *) NULL); image_info.size=argv[i]; } break; } Error("Unrecognized option",option); break; } case 't': { if (strncmp("text_font",option+1,3) == 0) { resource_info.text_font=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing font name on -text_font",(char *) NULL); resource_info.text_font=argv[i]; } break; } if (strncmp("title",option+1,2) == 0) { resource_info.title=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing title on -title",(char *) NULL); resource_info.title=argv[i]; } break; } if (strncmp("treedepth",option+1,3) == 0) { resource_info.tree_depth=0; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing depth on -treedepth",(char *) NULL); resource_info.tree_depth=atoi(argv[i]); } break; } Error("Unrecognized option",option); break; } case 'v': { if (strncmp("verbose",option+1,2) == 0) { image_info.verbose=(*option == '-'); break; } if (strncmp("visual",option+1,2) == 0) { resource_info.visual_type=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing visual class on -visual",(char *) NULL); resource_info.visual_type=argv[i]; } break; } Error("Unrecognized option",option); break; } case 'w': { if (strncmp("window",option+1,2) == 0) { resource_info.window_id=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing id, name, or 'root' on -window", (char *) NULL); resource_info.window_id=argv[i]; } break; } Error("Unrecognized option",option); break; } case '?': { Usage(True); break; } default: { Error("Unrecognized option",option); break; } } else for (scene=first_scene; scene <= last_scene ; scene++) { Image *image, *next_image; /* Option is a file name: begin by reading image from specified file. */ (void) strcpy(image_info.filename,argv[i]); if (first_scene != last_scene) { char filename[MaxTextLength]; /* Form filename for multi-part images. */ (void) sprintf(filename,image_info.filename,scene); if (strcmp(filename,image_info.filename) == 0) (void) sprintf(filename,"%s[%u]",image_info.filename,scene); (void) strcpy(image_info.filename,filename); } image_info.server_name=resource_info.server_name; image_info.font=resource_info.font; image_info.dither=resource_info.dither; image_info.monochrome=resource_info.monochrome; image=ReadImage(&image_info); if (image == (Image *) NULL) if (*option == '-') break; else continue; do { if (image->scene == 0) image->scene=image_number; /* Transmogrify image as defined by the image processing options. */ MogrifyImage(&image_info,i,argv,&image); if (image_info.verbose) DescribeImage(image,stderr,False); if (image_number == maximum_images) { /* Increase size of images array. */ maximum_images<<=1; images=(Image **) realloc((char *) images,maximum_images*sizeof(Image *)); if (images == (Image **) NULL) Error("Unable to animate images","Memory allocation failed"); } images[image_number++]=image; next_image=image->next; if (next_image != (Image *) NULL) image=next_image; } while (next_image != (Image *) NULL); } } if (image_number == 0) Error("Missing an image file name",(char *) NULL); if (resource_info.window_id != (char *) NULL) XAnimateBackgroundImage(display,&resource_info,images,image_number); else XAnimateImage(display,&resource_info,argv,argc,images,image_number); free((char *) images); free((char *) image_info.filename); XCloseDisplay(display); exit(0); return(False); } option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -geometry",(char *) NULL); resource_info.image_geometry=argv[i]; } break; } Error("Unrecognized option",option); break; } case 'h': { if (strncmp("help",option+1,2) == 0) { ./ImageMagick/montage.c010064400000240000024000001206550602172375700161070ustar00cristycristy00002330000007/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M M OOO N N TTTTT AAA GGGG EEEEE % % MM MM O O NN N T A A G E % % M M M O O N N N T AAAAA G GG EEE % % M M O O N NN T A A G G E % % M M OOO N N T A A GGGG EEEEE % % % % % % Montage Magick Image File Format Image via X11. % % % % % % % % Software Design % % John Cristy % % July 1992 % % % % % % Copyright 1995 E. I. du Pont de Nemours and Company % % % % Permission to use, copy, modify, distribute, and sell this software and % % its documentation for any purpose is hereby granted without fee, % % provided that the above Copyright notice appear in all copies and that % % both that Copyright notice and this permission notice appear in % % supporting documentation, and that the name of E. I. du Pont de Nemours % % and Company not be used in advertising or publicity pertaining to % % distribution of the software without specific, written prior % % permission. E. I. du Pont de Nemours and Company makes no representations % % about the suitability of this software for any purpose. It is provided % % "as is" without express or implied warranty. % % % % E. I. du Pont de Nemours and Company disclaims all warranties with regard % % to this software, including all implied warranties of merchantability % % and fitness, in no event shall E. I. du Pont de Nemours and Company be % % liable for any special, indirect or consequential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, negligence or other tortuous action, arising % % out of or in connection with the use or performance of this software. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Montage creates a composite image by combining several separate % images. The images are tiled on the composite image with the name of % the image appearing just above the individual tile. % % The composite image is constructed in the following manner. First, % each image specified on the command line, except for the last, is % scaled to fit the maximum tile size. The maximum tile size by default % is 256x256. It can be modified with the -geometry command line % argument or X resource. Note that the maximum tile size need not be a % square. To respect the aspect ratio of each image append ~ to the % geometry specification. % % Next the composite image is initialized with the color specified by the % -background command line argument or X resource. The width and height % of the composite image is determined by the maximum tile size, the % number of tiles per row, the tile border width and height, the image % border width, and the label height. The number of tiles per row specifies % how many images are to appear in each row of the composite image. The % default is to have an equal number of images in each row and column of the % composite. This value can be specified with -tiles. The tile border % width and height, and the image border width defaults to the value of the % X resource -borderwidth. It can be changed with the -borderwidth or % -geometry command line argument or X resource. The label height is % determined by the font you specify with the -font command line argument or % X resource. If you do not specify a font, a font is choosen that allows % the name of the image to fit the maximum width of a tiled area. The label % colors is determined by the -background and -foreground command line % argument or X resource. Note, that if the background and foreground colors % are the same, labels will not appear. % % Finally, each image is set onto the composite image, surrounded by its % border color, with its name centered just below it. The individual images % are centered within the width of the tiled area. The final argument on the % command line is the name assigned to the composite image. The image is % written in the MIFF format and may by viewed or printed with `display'. % % The Montage program command syntax is: % % Usage: montage [options ...] file [ [options ...] file ...] file % % Where options include: % -colors value preferred number of colors in the image % -colorspace type GRAY, OHTA, RGB, XYZ, YCbCr, YIQ, YPbPr, or YUV % -comment string annotate image with comment % -compose operator composite operator % -compress type RunlengthEncoded or QEncoded % -crop geometry preferred size and location of the cropped image % -density geometry vertical and horizontal density of the image % -display server query fonts from this X server % -dither apply Floyd/Steinberg error diffusion to image % -frame surround image with an ornamental border % -gamma value level of gamma correction % -geometry geometry preferred tile and border sizes % -gravity direction which direction to gravitate towards % -interlace type NONE, LINE, or PLANE % -label name assign a label to an image % -monochrome transform image to black and white % -page geometry size and location of the Postscript page % -pointsize value pointsize of Postscript font % -quality value JPEG quality setting % -rotate degrees apply Paeth rotation to the image % -scene value image scene number % -shadow add a shadow beneath a tile to simulate depth % -size geometry width and height of image % -texture filename name of texture to tile onto the image background % -tile geometry number of tiles per row and column % -transparent color make this color transparent within the image % -treedepth value depth of the color classification tree % -verbose print detailed information about the image % % In addition to those listed above, you can specify these standard X % resources as command line options: -background, -bordercolor -borderwidth, % -font, -foreground, -mattecolor, or -title. % % Change '-' to '+' in any option above to reverse its effect. For % example, specify +compress to store the image as uncompressed. % % By default, the image format of `file' is determined by its magic % number. To specify a particular image format, precede the filename % with an image format name and a colon (i.e. ps:image) or specify the % image type as the filename suffix (i.e. image.ps). Specify 'file' as % '-' for standard input or output. % % */ /* Include declarations. */ #include "magick.h" #include "image.h" #include "compress.h" #include "utility.h" #include "X.h" /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % U s a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function Usage displays the program command syntax. % % The format of the Usage routine is: % % Usage() % % */ static void Usage() { char **p; static char *options[]= { "-colors value preferred number of colors in the image", "-colorspace type GRAY, OHTA, RGB, XYZ, YCbCr, YIQ, YPbPr, or YUV", "-comment string annotate image with comment", "-compose operator composite operator", "-compress type RunlengthEncoded or QEncoded", "-crop geometry preferred size and location of the cropped image", "-density geometry vertical and horizontal density of the image", "-display server query font from this X server", "-dither apply Floyd/Steinberg error diffusion to image", "-frame surround image with an ornamental border", "-gamma value level of gamma correction", "-geometry geometry preferred tile and border sizes", "-gravity direction which direction to gravitate towards", "-interlace type NONE, LINE, or PLANE", "-label name assign a label to an image", "-monochrome transform image to black and white", "-pointsize value pointsize of Postscript font", "-page geometry size and location of the Postscript page", "-quality value JPEG quality setting", "-rotate degrees apply Paeth rotation to the image", "-scene value image scene number", "-shadow add a shadow beneath a tile to simulate depth", "-size geometry width and height of image", "-texture filename name of texture to tile onto the image background", "-tile geometry number of tiles per row and column", "-transparent color make this color transparent within the image", "-treedepth value depth of the color classification tree", "-verbose print detailed information about the image", (char *) NULL }; (void) printf("Version: %s\n\n",Version); (void) printf( "Usage: %s [-options ...] file [ [-options ...] file ...] file\n", client_name); (void) printf("\nWhere options include: \n"); for (p=options; *p != (char *) NULL; p++) (void) printf(" %s\n",*p); (void) printf( "\nIn addition to those listed above, you can specify these standard X\n"); (void) printf( "resources as command line options: -background, -bordercolor,\n"); (void) printf( "-borderwidth, -font, -foreground, -mattecolor, or -title\n"); (void) printf( "\nChange '-' to '+' in any option above to reverse its effect. For\n"); (void) printf( "example, specify +compress to store the image as uncompressed.\n"); (void) printf( "\nBy default, the image format of `file' is determined by its magic\n"); (void) printf( "number. To specify a particular image format, precede the filename\n"); (void) printf( "with an image format name and a colon (i.e. ps:image) or specify the\n"); (void) printf( "image type as the filename suffix (i.e. image.ps). Specify 'file' as\n"); (void) printf("'-' for standard input or output.\n"); exit(1); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a i n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ int main(argc,argv) int argc; char **argv; { char *crop_geometry, *option, *server_name, *transparent_color; Display *display; Image *image, **images, *montage_image; ImageInfo image_info; int i, x; unsigned int compression, first_scene, last_scene, maximum_images, scene; XMontageInfo montage_info; XrmDatabase resource_database; XResourceInfo resource_info; /* Display usage profile if there are no command line arguments. */ client_name=ClientName(*argv); if (argc < 3) Usage(); /* Set defaults. */ XGetMontageInfo(&montage_info); GetImageInfo(&image_info); compression=UndefinedCompression; crop_geometry=(char *) NULL; display=(Display *) NULL; first_scene=0; last_scene=0; resource_database=(XrmDatabase) NULL; resource_info.background_color=DefaultTileBackground; resource_info.border_color=DefaultTileBorder; resource_info.border_width=atoi(DefaultTileBorderwidth);; resource_info.colorspace=RGBColorspace; resource_info.dither=False; resource_info.foreground_color=DefaultTileForeground; resource_info.font=DefaultFont; resource_info.image_geometry=DefaultTileGeometry; resource_info.gravity=CenterGravity; resource_info.matte_color=DefaultTileMatte; resource_info.monochrome=False; resource_info.number_colors=0; resource_info.server_name=(char *) NULL; resource_info.title=(char *) NULL; resource_info.tree_depth=0; scene=0; server_name=(char *) NULL; maximum_images=2048; images=(Image **) malloc(maximum_images*sizeof(Image *)); if (images == (Image **) NULL) Error("Unable to montage images","Memory allocation failed"); transparent_color=(char *) NULL; /* Check for server name specified on the command line. */ ExpandFilenames(&argc,&argv); for (i=1; i < argc; i++) { /* Check command line for server name. */ option=argv[i]; if (((int) strlen(option) == 1) || ((*option != '-') && (*option != '+'))) continue; if (strncmp("display",option+1,3) == 0) { /* User specified server name. */ if (*option == '-') { i++; if (i == argc) Error("Missing server name on -display",(char *) NULL); server_name=argv[i]; } break; } if (strncmp("help",option+1,2) == 0) Usage(); } /* Open X server connection. */ display=XOpenDisplay(server_name); if (display != (Display *) NULL) { char *resource_value; /* Set our forgiving error handler. */ XSetErrorHandler(XError); /* Get user defaults from X resource database. */ resource_database=XGetResourceDatabase(display,client_name); XGetResourceInfo(resource_database,client_name,&resource_info); resource_info.background_color=XGetResourceInstance(resource_database, client_name,"background",DefaultTileBackground); resource_value=XGetResourceClass(resource_database,client_name, "borderWidth",DefaultTileBorderwidth); resource_info.border_width=atoi(resource_value); resource_value=XGetResourceClass(resource_database,client_name, "compression","RunlengthEncoded"); if (Latin1Compare("qencoded",resource_value) == 0) compression=QEncodedCompression; else compression=RunlengthEncodedCompression; image_info.density=XGetResourceClass(resource_database,client_name, "density",(char *) NULL); resource_info.foreground_color=XGetResourceInstance(resource_database, client_name,"foreground",DefaultTileForeground); resource_value= XGetResourceClass(resource_database,client_name,"frame","True"); montage_info.frame=IsTrue(resource_value); resource_value= XGetResourceClass(resource_database,client_name,"interlace","none"); image_info.interlace=UndefinedInterlace; if (Latin1Compare("none",resource_value) == 0) image_info.interlace=NoneInterlace; if (Latin1Compare("line",resource_value) == 0) image_info.interlace=LineInterlace; if (Latin1Compare("plane",resource_value) == 0) image_info.interlace=PlaneInterlace; if (image_info.interlace == UndefinedInterlace) Warning("Unrecognized interlace type",resource_value); resource_info.image_geometry=XGetResourceInstance(resource_database, client_name,"imageGeometry",DefaultTileGeometry); resource_info.matte_color=XGetResourceInstance(resource_database, client_name,"mattecolor",DefaultTileMatte); image_info.page=XGetResourceClass(resource_database,client_name, "pageGeometry",(char *) NULL); resource_value= XGetResourceClass(resource_database,client_name,"rotate","0"); resource_value= XGetResourceClass(resource_database,client_name,"quality","85"); image_info.quality=atoi(resource_value); resource_value= XGetResourceClass(resource_database,client_name,"shadow","True"); montage_info.shadow=IsTrue(resource_value); montage_info.tile=XGetResourceClass(resource_database,client_name,"tile", montage_info.tile); resource_value= XGetResourceClass(resource_database,client_name,"verbose","False"); image_info.verbose=IsTrue(resource_value); } /* Parse command line. */ for (i=1; i < (argc-1); i++) { option=argv[i]; if (((int) strlen(option) > 1) && ((*option == '-') || (*option == '+'))) switch (*(option+1)) { case 'b': { if ((strncmp("background",option+1,5) == 0) || (strncmp("bg",option+1,2) == 0)) { resource_info.background_color=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing color on -background",(char *) NULL); resource_info.background_color=argv[i]; } break; } if (strncmp("bordercolor",option+1,7) == 0) { resource_info.border_color=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing color on -bordercolor",(char *) NULL); resource_info.border_color=argv[i]; } break; } if (strncmp("borderwidth",option+1,7) == 0) { resource_info.border_width=0; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing width on -borderwidth",(char *) NULL); resource_info.border_width=atoi(argv[i]); } break; } Error("Unrecognized option",option); break; } case 'c': { if (strncmp("colors",option+1,7) == 0) { resource_info.number_colors=0; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing colors on -colors",(char *) NULL); resource_info.number_colors=atoi(argv[i]); } break; } if (strncmp("colorspace",option+1,7) == 0) { resource_info.colorspace=RGBColorspace; if (*option == '-') { i++; if (i == argc) Error("Missing type on -colorspace",(char *) NULL); option=argv[i]; resource_info.colorspace=UndefinedColorspace; if (Latin1Compare("gray",option) == 0) { resource_info.colorspace=GRAYColorspace; resource_info.number_colors=256; resource_info.tree_depth=8; } if (Latin1Compare("ohta",option) == 0) resource_info.colorspace=OHTAColorspace; if (Latin1Compare("rgb",option) == 0) resource_info.colorspace=RGBColorspace; if (Latin1Compare("xyz",option) == 0) resource_info.colorspace=XYZColorspace; if (Latin1Compare("ycbcr",option) == 0) resource_info.colorspace=YCbCrColorspace; if (Latin1Compare("yiq",option) == 0) resource_info.colorspace=YIQColorspace; if (Latin1Compare("ypbpr",option) == 0) resource_info.colorspace=YPbPrColorspace; if (Latin1Compare("yuv",option) == 0) resource_info.colorspace=YUVColorspace; if (resource_info.colorspace == UndefinedColorspace) Error("Invalid colorspace type on -colorspace",option); } break; } if (strncmp("comment",option+1,4) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing comment on -comment",(char *) NULL); } break; } if (strncmp("compress",option+1,5) == 0) { compression=NoCompression; if (*option == '-') { i++; if (i == argc) Error("Missing type on -compress",(char *) NULL); option=argv[i]; if (Latin1Compare("runlengthencoded",option) == 0) compression=RunlengthEncodedCompression; else if (Latin1Compare("qencoded",option) == 0) compression=QEncodedCompression; else Error("Invalid compression type on -compress",option); } break; } if (strncmp("compose",option+1,5) == 0) { montage_info.compose=ReplaceCompositeOp; if (*option == '-') { i++; if (i == argc) Error("Missing type on -compose",(char *) NULL); option=argv[i]; montage_info.compose=UndefinedCompositeOp; if (Latin1Compare("over",option) == 0) montage_info.compose=OverCompositeOp; if (Latin1Compare("in",option) == 0) montage_info.compose=InCompositeOp; if (Latin1Compare("out",option) == 0) montage_info.compose=OutCompositeOp; if (Latin1Compare("atop",option) == 0) montage_info.compose=AtopCompositeOp; if (Latin1Compare("xor",option) == 0) montage_info.compose=XorCompositeOp; if (Latin1Compare("plus",option) == 0) montage_info.compose=PlusCompositeOp; if (Latin1Compare("minus",option) == 0) montage_info.compose=MinusCompositeOp; if (Latin1Compare("add",option) == 0) montage_info.compose=AddCompositeOp; if (Latin1Compare("subtract",option) == 0) montage_info.compose=SubtractCompositeOp; if (Latin1Compare("difference",option) == 0) montage_info.compose=DifferenceCompositeOp; if (Latin1Compare("replace",option) == 0) montage_info.compose=ReplaceCompositeOp; if (montage_info.compose == UndefinedCompositeOp) Error("Invalid compose type on -compose",option); } break; } if (strncmp("crop",option+1,2) == 0) { crop_geometry=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -crop",(char *) NULL); crop_geometry=argv[i]; } break; } Error("Unrecognized option",option); break; } case 'd': { if (strncmp("density",option+1,3) == 0) { image_info.density=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -density",(char *) NULL); image_info.density=argv[i]; } break; } if (strncmp("display",option+1,3) == 0) { resource_info.server_name=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing server name on -display",(char *) NULL); resource_info.server_name=argv[i]; } break; } if (strncmp("dither",option+1,3) == 0) { resource_info.dither=(*option == '-'); break; } Error("Unrecognized option",option); break; } case 'f': { if (strncmp("font",option+1,3) == 0) { resource_info.font=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing font name on -font",(char *) NULL); resource_info.font=argv[i]; } break; } if ((strncmp("foreground",option+1,3) == 0) || (strncmp("fg",option+1,2) == 0)) { resource_info.foreground_color=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing foreground on -foreground",(char *) NULL); resource_info.foreground_color=argv[i]; } break; } if (strncmp("frame",option+1,2) == 0) { montage_info.frame=(*option == '-'); if (*option == '-') { i++; if (i == argc) Error("Missing geometry on -frame",(char *) NULL); } if (!montage_info.frame) resource_info.border_width=0; break; } Error("Unrecognized option",option); break; } case 'g': { if (strncmp("gamma",option+1,2) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing value on -gamma",(char *) NULL); } break; } if (strncmp("geometry",option+1,2) == 0) { resource_info.image_geometry=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -geometry",(char *) NULL); resource_info.image_geometry=argv[i]; } break; } if (strncmp("gravity",option+1,2) == 0) { resource_info.gravity=CenterGravity; if (*option == '-') { i++; if (i == argc) Error("Missing type on -gravity",(char *) NULL); option=argv[i]; resource_info.gravity=(-1); if (Latin1Compare("Forget",option) == 0) resource_info.gravity=ForgetGravity; if (Latin1Compare("NorthWest",option) == 0) resource_info.gravity=NorthWestGravity; if (Latin1Compare("North",option) == 0) resource_info.gravity=NorthGravity; if (Latin1Compare("NorthEast",option) == 0) resource_info.gravity=NorthEastGravity; if (Latin1Compare("West",option) == 0) resource_info.gravity=WestGravity; if (Latin1Compare("Center",option) == 0) resource_info.gravity=CenterGravity; if (Latin1Compare("East",option) == 0) resource_info.gravity=EastGravity; if (Latin1Compare("SouthWest",option) == 0) resource_info.gravity=SouthWestGravity; if (Latin1Compare("South",option) == 0) resource_info.gravity=SouthGravity; if (Latin1Compare("SouthEast",option) == 0) resource_info.gravity=SouthEastGravity; if (Latin1Compare("Static",option) == 0) resource_info.gravity=StaticGravity; if (resource_info.gravity == (-1)) Error("Invalid gravity type on -gravity",option); } break; } Error("Unrecognized option",option); break; } case 'h': { if (strncmp("help",option+1,2) == 0) { Usage(); break; } Error("Unrecognized option",option); break; } case 'i': { if (strncmp("interlace",option+1,3) == 0) { image_info.interlace=NoneInterlace; if (*option == '-') { i++; if (i == argc) Error("Missing type on -interlace",(char *) NULL); option=argv[i]; image_info.interlace=UndefinedInterlace; if (Latin1Compare("none",option) == 0) image_info.interlace=NoneInterlace; if (Latin1Compare("line",option) == 0) image_info.interlace=LineInterlace; if (Latin1Compare("plane",option) == 0) image_info.interlace=PlaneInterlace; if (image_info.interlace == UndefinedInterlace) Error("Invalid interlace type on -interlace",option); } break; } Error("Unrecognized option",option); break; } case 'l': { if (strncmp("label",option+1,2) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing label name on -label",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'm': { if (strncmp("mattecolor",option+1,6) == 0) { resource_info.matte_color=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing color on -matte",(char *) NULL); resource_info.matte_color=argv[i]; } break; } if (strncmp("monochrome",option+1,2) == 0) { resource_info.monochrome=(*option == '-'); if (resource_info.monochrome) { resource_info.number_colors=2; resource_info.tree_depth=8; resource_info.colorspace=GRAYColorspace; } break; } Error("Unrecognized option",option); break; } case 'p': { if (strncmp("page",option+1,3) == 0) { image_info.page=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing page geometry on -page",(char *) NULL); image_info.page=PostscriptGeometry(argv[i]); } break; } Error("Unrecognized option",option); break; } case 'q': { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing quality on -quality",(char *) NULL); image_info.quality=atoi(argv[i]); break; } case 'r': { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing degrees on -rotate",(char *) NULL); } break; } case 's': { if (strncmp("scene",option+1,3) == 0) { first_scene=0; last_scene=0; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing scene number on -scene",(char *) NULL); first_scene=atoi(argv[i]); last_scene=first_scene; (void) sscanf(argv[i],"%d-%d",&first_scene,&last_scene); } break; } if (strncmp("shadow",option+1,2) == 0) { montage_info.shadow=(*option == '-'); break; } if (strncmp("sharpen",option+1,3) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing factor on -sharpen",(char *) NULL); } break; } if (strncmp("size",option+1,2) == 0) { image_info.size=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -size",(char *) NULL); image_info.size=argv[i]; } break; } Error("Unrecognized option",option); break; } case 't': { if (strncmp("texture",option+1,2) == 0) { montage_info.texture=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing filename on -texture",(char *) NULL); montage_info.texture=argv[i]; } break; } if (strncmp("tile",option+1,3) == 0) { montage_info.tile=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -tile",(char *) NULL); montage_info.tile=argv[i]; } break; } if (strncmp("title",option+1,3) == 0) { resource_info.title=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing title on -title",(char *) NULL); resource_info.title=argv[i]; } break; } if (strncmp("transparent",option+1,3) == 0) { transparent_color=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing color on -transparent",(char *) NULL); transparent_color=argv[i]; } break; } if (strncmp("treedepth",option+1,3) == 0) { resource_info.tree_depth=0; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing depth on -treedepth",(char *) NULL); resource_info.tree_depth=atoi(argv[i]); } break; } Error("Unrecognized option",option); break; } case 'v': { image_info.verbose=(*option == '-'); break; } case '?': { Usage(); break; } default: { Error("Unrecognized option",option); break; } } else for (scene=first_scene; scene <= last_scene ; scene++) { /* Option is a file name: begin by reading image from specified file. */ (void) strcpy(image_info.filename,argv[i]); if (first_scene != last_scene) { char filename[MaxTextLength]; /* Form filename for multi-part images. */ (void) sprintf(filename,image_info.filename,scene); if (strcmp(filename,image_info.filename) == 0) (void) sprintf(filename,"%s.%u",image_info.filename,scene); (void) strcpy(image_info.filename,filename); } image_info.server_name=resource_info.server_name; image_info.font=resource_info.font; image_info.dither=resource_info.dither; image_info.monochrome=resource_info.monochrome; if (image_info.size == (char *) NULL) image_info.size=resource_info.image_geometry; image=ReadImage(&image_info); if (image == (Image *) NULL) if (*option == '-') break; else continue; do { if (image->scene == 0) image->scene=montage_info.number_tiles; LabelImage(image,"%f"); /* Transmogrify image as defined by the image processing options. */ MogrifyImage(&image_info,i,argv,&image); TransformImage(&image,crop_geometry,resource_info.image_geometry); if (image_info.verbose) DescribeImage(image,stderr,False); if (montage_info.number_tiles == maximum_images) { /* Increase size of images array. */ maximum_images<<=1; images=(Image **) realloc((char *) images,maximum_images*sizeof(Image *)); if (images == (Image **) NULL) Error("Unable to montage images","Memory allocation failed"); } images[montage_info.number_tiles++]=image; image=image->next; } while (image != (Image *) NULL); } } if (montage_info.number_tiles == 0) Error("Missing an image file name",(char *) NULL); /* Create composite image. */ montage_image=XMontageImage(images,&resource_info,&montage_info,argv[argc-1]); if (montage_image != (Image *) NULL) { Image *next_image; /* Write image. */ image=montage_image; do { if (compression != UndefinedCompression) image->compression=compression; if (transparent_color != (char *) NULL) TransparentImage(image,transparent_color); (void) strcpy(image->filename,argv[argc-1]); (void) WriteImage(&image_info,image); if (image_info.verbose) DescribeImage(image,stderr,False); next_image=image->next; image=next_image; } while (image != (Image *) NULL); DestroyImage(montage_image); } free((char *) images); free((char *) image_info.filename); if (display != (Display *) NULL) XCloseDisplay(display); exit(0); return(False); } Error("Missing type on -interlace",(char *) NULL); ./ImageMagick/Magick.tmpl010074400000240000024000000105130603014503600163560ustar00cristycristy00002330000007#ifndef XCOMM #define XCOMM # #endif XCOMM ImageMagick Imakefile info. This contains any special redefinitions. XCOMM XCOMM Copyright 1995 E. I. du Pont de Nemours & Company XCOMM XCOMM Permission to use, copy, modify, distribute, and sell this software and XCOMM its documentation for any purpose is hereby granted without fee, XCOMM provided that the above Copyright notice appear in all copies and that XCOMM both that Copyright notice and this permission notice appear in XCOMM supporting documentation, and that the name of E. I. du Pont de Nemours XCOMM and Company not be used in advertising or publicity pertaining to XCOMM distribution of the software without specific, written prior XCOMM permission. E. I. du Pont de Nemours & Company makes no representations XCOMM about the suitability of this software for any purpose. It is provided XCOMM "as is" without express or implied warranty. XCOMM XCOMM E. I. du Pont de Nemours & Company disclaims all warranties with regard XCOMM to this software, including all implied warranties of merchantability XCOMM and fitness, in no event shall E. I. du Pont de Nemours & Company be XCOMM liable for any special, indirect or consequential damages or any XCOMM damages whatsoever resulting from loss of use, data or profits, whether XCOMM in an action of contract, negligence or other tortious action, arising XCOMM out of or in connection with the use or performance of this software. XCOMM If your system does not have /usr/include/dirent.h, define: XCOMM XCOMM DIRENT_DEFINES= -DNoDIRENT XCOMM Define HasShape if your X server supports the Shape Extension. Define XCOMM HasSharedMemory if your X server supports the Shared Memory Extension. XCOMM XCOMM EXTENSIONS_DEFINES= -DHasShape -DHasSharedMemory XCOMM Set DoSharedLib to HasSharedLibraries to build ImageMagick with shared XCOMM libraries. XCOMM XCOMM #define DoSharedLib HasSharedLibraries XCOMM By default, the maximum color value is 255. To increase the maximum to XCOMM 65535 define: XCOMM XCOMM QUANTUM_DEFINES= -DQuantumLeap XCOMM If you have the HDF, JBIG, JPEG, MPEG, PNG, TIFF, or XPM libraries XCOMM define HasHDF, HasJBIG, HasJPEG, HasMPEG, HasPNG, HasTIFF, or HasXPM XCOMM respectively. Make sure the path names are correct. See README for XCOMM more details. XCOMM XCOMM #define HasHDF XCOMM #define HasJBIG XCOMM #define HasJPEG XCOMM #define HasMPEG XCOMM #define HasPNG XCOMM #define HasTIFF XCOMM #define HasXPM #ifdef HasHDF HDF_DEFINES= -DHasHDF HDF_INCLUDES= -I$(TOP)/hdf HDF_LIBRARIES= -L$(TOP)/hdf -ldf #endif #ifdef HasJBIG JBIG_DEFINES= -DHasJBIG JBIG_INCLUDES= -I$(TOP)/jbig/libjbig JBIG_LIBRARIES= -L$(TOP)/jbig/libjbig -ljbig #endif #ifdef HasJPEG JPEG_DEFINES= -DHasJPEG JPEG_INCLUDES= -I$(TOP)/jpeg JPEG_LIBRARIES= -L$(TOP)/jpeg -ljpeg #endif #ifdef HasMPEG MPEG_DEFINES= -DHasMPEG MPEG_INCLUDES= -I$(TOP)/mpeg MPEG_LIBRARIES= -L$(TOP)/mpeg -lmpeg #endif #ifdef HasPNG PNG_DEFINES= -DHasPNG PNG_INCLUDES= -I$(TOP)/png -I$(TOP)/zlib PNG_LIBRARIES= -L$(TOP)/png -lpng -L$(TOP)/zlib -lz #endif #ifdef HasTIFF TIFF_DEFINES= -DHasTIFF TIFF_INCLUDES= -I$(TOP)/tiff/libtiff TIFF_LIBRARIES= -L$(TOP)/tiff/libtiff -ltiff #endif #ifdef HasXPM XPM_DEFINES= -DHasXPM XPM_INCLUDES= -I$(TOP)/xpm XPM_LIBRARIES= -L$(TOP)/xpm -lXpm #endif XCOMM Might need extra libraries for xtp to link correctly. XCOMM XCOMM EXTRA_LOAD_FLAGS= -lnsl #ifdef HPArchitecture CCOPTIONS= -Aa -D_HPUX_SOURCE -Dhpux #endif XCOMM ImageMagick has an include file named X.h. Do not set LOCALINC to XCOMM the top level X11 include directory or X11/X.h will be overwritten. LOCALDIR= /usr/local/bin LOCALINC= /usr/local/include LOCALLIB= /usr/local/lib LOCALMAN= /usr/local/man/mann MAGICK_INCLUDES= -I$(TOP)/magick MAGICK_LIBRARIES= -L$(TOP)/magick -lMagick DEFINES= $(MAGICK_INCLUDES) $(DIRENT_DEFINES) $(EXTENSIONS_DEFINES) \ $(QUANTUM_DEFINES) $(HDF_DEFINES) $(HDF_INCLUDES) $(JBIG_DEFINES) \ $(JBIG_INCLUDES) $(JPEG_DEFINES) $(JPEG_INCLUDES) $(MPEG_DEFINES) \ $(MPEG_INCLUDES) $(PNG_DEFINES) $(PNG_INCLUDES) $(TIFF_DEFINES) \ $(TIFF_INCLUDES) $(XPM_DEFINES) $(XPM_INCLUDES) LOCAL_LIBRARIES= $(MAGICK_LIBRARIES) $(JBIG_LIBRARIES) $(JPEG_LIBRARIES) \ $(HDF_LIBRARIES) $(MPEG_LIBRARIES) $(PNG_LIBRARIES) $(TIFF_LIBRARIES) \ $(XPM_LIBRARIES) REQUIRED_LIBRARIES= $(HDF_LIBRARIES) $(JBIG_LIBRARIES) $(JPEG_LIBRARIES) \ $(MPEG_LIBRARIES) $(PNG_LIBRARIES) $(TIFF_LIBRARIES) $(XPM_LIBRARIES) ./ImageMagick/convert.c010064400000240000024000001107220602164601600161170ustar00cristycristy00002330000007/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % CCCC OOO N N V V EEEEE RRRR TTTTT % % C O O NN N V V E R R T % % C O O N N N V V EEE RRRR T % % C O O N NN V V E R R T % % CCCC OOO N N V EEEEE R R T % % % % % % Convert an image from one format to another. % % % % % % % % Software Design % % John Cristy % % April 1992 % % % % % % Copyright 1995 E. I. Dupont de Nemours and Company % % % % Permission to use, copy, modify, distribute, and sell this software and % % its documentation for any purpose is hereby granted without fee, % % provided that the above Copyright notice appear in all copies and that % % both that Copyright notice and this permission notice appear in % % supporting documentation, and that the name of E. I. Dupont de Nemours % % and Company not be used in advertising or publicity pertaining to % % distribution of the software without specific, written prior % % permission. E. I. Dupont de Nemours and Company makes no representations % % about the suitability of this software for any purpose. It is provided % % "as is" without express or implied warranty. % % % % E. I. Dupont de Nemours and Company disclaims all warranties with regard % % to this software, including all implied warranties of merchantability % % and fitness, in no event shall E. I. Dupont de Nemours and Company be % % liable for any special, indirect or consequential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, negligence or other tortuous action, arising % % out of or in connection with the use or performance of this software. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Convert converts an input file using one image format to an output file % with a differing image format. % % The convert program syntax is: % % Usage: convert [options ...] input_file output_file % % Where options include: % -annotate string annotate the image with text % -blur factor apply a filter to blur the image % -border geometry surround image with a border of color % -colors value preferred number of colors in the image % -colorspace type GRAY, OHTA, RGB, XYZ, YCbCr, YIQ, YPbPr, or YUV % -comment string annotate image with comment % -compress type RunlengthEncoded or QEncoded % -contrast enhance or reduce the image contrast % -crop geometry preferred size and location of the cropped image % -density geometry vertical and horizontal density of the image % -despeckle reduce the speckles within an image" % -display server obtain image or font from this X server % -dither apply Floyd/Steinberg error diffusion to image % -edge apply a filter to detect edges in the image % -emboss emboss an image % -enhance apply a digital filter to enhance a noisy image % -equalize perform histogram equalization to an image % -flip flip image in the vertical direction % -flop flop image in the horizontal direction % -font name X11 font for displaying text % -frame geometry surround image with an ornamental border % -gamma value level of gamma correction % -geometry geometry perferred size or location of the image % -interlace type NONE, LINE, or PLANE % -label name assign a label to an image % -map filename transform image colors to match this set of colors % -matte store matte channel if the image has one % -modulate value vary the brightness, saturation and hue % -monochrome transform image to black and white % -negate apply color inversion to image % -noise reduce noise with a noise peak elimination filter % -normalize transform image to span the full range of colors % -quality value JPEG quality setting % -opaque color change this color to the pen color % -page geometry size and location of the Postscript page % -paint paint an image % -pen color color for annotating or changing opaque color % -pointsize value pointsize of Postscript font % -raise value lighten/darken image edges to create a 3-D effect % -roll geometry roll an image vertically or horizontally % -rotate degrees apply Paeth rotation to the image % -sample geometry scale image with pixel sampling % -scene value image scene number % -sharpen factor apply a filter to sharpen the image % -shear geometry slide one edge of the image along the X or Y axis % -size geometry width and height of image % -transparent color make this color transparent within the image % -treedepth value depth of the color classification tree % -undercolor geometry control undercolor removal and black generation % -verbose print detailed information about the image % % Change '-' to '+' in any option above to reverse its effect. For % example, specify +matte to store the image without its matte channel. % % By default, the image format of `file' is determined by its magic % number. To specify a particular image format, precede the filename % with an image format name and a colon (i.e. ps:image) or specify the % image type as the filename suffix (i.e. image.ps). Specify 'file' as % '-' for standard input or output. % % Convert recognizes the following image formats: % % Tag Description % --------------------------------------------------- % AVS AVS X image file. % BMP Microsoft Windows bitmap image file. % CMYK Raw cyan, magenta, yellow, and black bytes. % EPS Adobe Encapsulated PostScript file. % EPSF Adobe Encapsulated PostScript file. % EPSI Adobe Encapsulated PostScript Interchange format. % FAX Group 3. % FITS Flexible Image Transport System. % GIF Compuserve Graphics image file. % GIF87 Compuserve Graphics image file (version 87a). % GRAY Raw gray bytes. % HDF Hierarchical Data Format. % HISTOGRAM % HTML Hypertext Markup Language % JBIG Joint Bi-level Image experts Group file interchange format. % JPEG Joint Photographic Experts Group file interchange format. % MAP colormap intensities and indices. % MATTE Raw matte bytes. % MIFF Magick image file format. % MTV % NULL NULL image. % PCD Photo CD. % PCX ZSoft IBM PC Paintbrush file. % PDF Portable Document Format. % PICT Apple Macintosh QuickDraw/PICT file. % PNG Portable Network Graphics. % PNM Portable bitmap. % PS Adobe PostScript file. % PS2 Adobe Level II PostScript file. % RAD Radiance image file. % RGB Raw red, green, and blue bytes. % RGBA Raw red, green, blue, and matte bytes. % RLE Utah Run length encoded image file; read only. % SGI Irix RGB image file. % SUN SUN Rasterfile. % TEXT raw text file; read only. % TGA Truevision Targa image file. % TIFF Tagged Image File Format. % TILE tile image with a texture. % VICAR read only. % VID Visual Image Directory. % VIFF Khoros Visualization image file. % X select image from X server screen. % XC constant image of X server color. % XBM X11 bitmap file. % XPM X11 pixmap file. % XWD X Window System window dump image file. % YUV CCIR 601 1:1:1 file. % YUV3 CCIR 601 2:1:1 files. % % */ #include "magick.h" #include "image.h" #include "utility.h" #include "X.h" /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % U s a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Procedure Usage displays the program usage; % % The format of the Usage routine is: % % Usage() % % */ static void Usage() { char **p; static char *ImageTypes[]= { "Tag Description", "------------------------------------------------------------", "AVS AVS X image file.", "BMP Microsoft Windows bitmap image file.", "CMYK Raw cyan, magenta, yellow, and black bytes.", "EPS Adobe Encapsulated PostScript file.", "EPSF Adobe Encapsulated PostScript file.", "EPSI Adobe Encapsulated PostScript Interchange format.", "FAX Group 3.", "FITS Flexible Image Transport System.", "GIF Compuserve Graphics image file.", "GIF87 Compuserve Graphics image file (version 87a).", "GRAY Raw gray bytes.", "HDF Hierarchical Data Format.", "HISTOGRAM", "HTML Hypertext Markup Language", "JBIG Joint Bi-level Image experts Group file interchange format.", "JPEG Joint Photographic Experts Group file interchange format.", "MAP colormap intensities and indices.", "MATTE Raw matte bytes.", "MIFF Magick image file format.", "MTV", "NULL NULL image.", "PCD Photo CD.", "PCX ZSoft IBM PC Paintbrush file.", "PDF Portable Document Format.", "PICT Apple Macintosh QuickDraw/PICT file.", "PNG Portable Network Graphics.", "PNM Portable bitmap.", "PS Adobe PostScript file.", "PS2 Adobe Level II PostScript file.", "RAD Radiance image file.", "RGB Raw red, green, and blue bytes.", "RGBA Raw red, green, blue, and matte bytes.", "RLE Utah Run length encoded image file; read only.", "SGI Irix RGB image file.", "SUN SUN Rasterfile.", "TEXT raw text file; read only.", "TGA Truevision Targa image file.", "TIFF Tagged Image File Format.", "TILE tile image with a texture.", "VICAR read only.", "VID Visual Image Directory.", "VIFF Khoros Visualization image file.", "X select image from X server screen.", "XC constant image of X server color.", "XBM X11 bitmap file.", "XPM X11 pixmap file.", "XWD X Window System window dump image file.", "YUV CCIR 601 1:1:1 file.", "YUV3 CCIR 601 2:1:1 files.", (char *) NULL, }, *options[]= { "-annotate string annotate the image with text", "-blur factor apply a filter to blur the image", "-border geometry surround image with a border of color", "-colors value preferred number of colors in the image", "-colorspace type GRAY, OHTA, RGB, XYZ, YCbCr, YIQ, YPbPr, or YUV", "-comment string annotate image with comment", "-compress type RunlengthEncoded or QEncoded", "-contrast enhance or reduce the image contrast", "-crop geometry preferred size and location of the cropped image", "-density geometry vertical and horizontal density of the image", "-despeckle reduce the speckles within an image", "-display server obtain image or font from this X server", "-dither apply Floyd/Steinberg error diffusion to image", "-edge apply a filter to detect edges in the image", "-emboss emboss an image", "-enhance apply a digital filter to enhance a noisy image", "-equalize perform histogram equalization to an image", "-flip flip image in the vertical direction", "-flop flop image in the horizontal direction", "-font name X11 font for displaying text", "-frame geometry surround image with an ornamental border", "-gamma value level of gamma correction", "-geometry geometry perferred size or location of the image", "-interlace type NONE, LINE, or PLANE", "-label name assign a label to an image", "-map filename transform image colors to match this set of colors", "-matte store matte channel if the image has one", "-modulate value vary the brightness, saturation, and hue", "-monochrome transform image to black and white", "-negate apply color inversion to image", "-noise reduce noise with a noise peak elimination filter", "-normalize transform image to span the full range of colors", "-quality value JPEG quality setting", "-opaque color change this color to the pen color", "-page geometry size and location of the Postscript page", "-paint paint an image", "-pen color color for annotating or changing opaque color", "-pointsize value pointsize of Postscript font", "-raise value lighten/darken image edges to create a 3-D effect", "-roll geometry roll an image vertically or horizontally", "-rotate degrees apply Paeth rotation to the image", "-sample geometry scale image with pixel sampling", "-scene value image scene number", "-sharpen factor apply a filter to sharpen the image", "-shear geometry slide one edge of the image along the X or Y axis", "-size geometry width and height of image", "-transparent color make this color transparent within the image", "-treedepth value depth of the color classification tree", "-undercolor geometry control undercolor removal and black generation", "-verbose print detailed information about the image", (char *) NULL }; (void) printf("Version: %s\n\n",Version); (void) printf("Usage: %s [options ...] input_file output_file\n", client_name); (void) printf("\nWhere options include:\n"); for (p=options; *p != (char *) NULL; p++) (void) printf(" %s\n",*p); (void) printf( "\nChange '-' to '+' in any option above to reverse its effect. For\n"); (void) printf( "example, specify +matte to store the image without an matte channel.\n"); (void) printf( "\nBy default, the image format of `file' is determined by its magic\n"); (void) printf( "number. To specify a particular image format, precede the filename\n"); (void) printf( "with an image format name and a colon (i.e. ps:image) or specify the\n"); (void) printf( "image type as the filename suffix (i.e. image.ps). Specify 'file' as\n"); (void) printf("'-' for standard input or output.\n"); (void) printf("\nThe following image formats are recognized: \n\n"); for (p=ImageTypes; *p != (char *) NULL; p++) (void) printf(" %s\n",*p); exit(1); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a i n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ int main(argc,argv) int argc; char *argv[]; { #define NotInitialized (unsigned int) (~0) char *filename, *option; Image *image, *map_image, *next_image; ImageInfo image_info; int status, x; register int i; /* Initialize program variables. */ client_name=ClientName(*argv); if (argc < 3) Usage(); /* Read image and convert to MIFF format. */ image=(Image *) NULL; GetImageInfo(&image_info); map_image=(Image *) NULL; /* Check command syntax. */ filename=(char *) NULL; for (i=1; i < (argc-1); i++) { option=argv[i]; if (((int) strlen(option) < 2) || ((*option != '-') && (*option != '+'))) { /* Read input image. */ filename=argv[i]; (void) strcpy(image_info.filename,filename); if (image != (Image *) NULL) Error("input image already specified",filename); image=ReadImage(&image_info); if (image == (Image *) NULL) exit(1); } else switch(*(option+1)) { case 'a': { if (strncmp("annotate",option+1,2) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing text on -annotate",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'b': { if (strncmp("blur",option+1,2) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing factor on -blur",(char *) NULL); } break; } if (strncmp("border",option+1,7) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing geometry on -border",(char *) NULL); } break; } if (strncmp("bordercolor",option+1,7) == 0) { if ((i == argc) || !sscanf(argv[i],"%d",&x)) { i++; if (i == argc) Error("Missing color on -bordercolor",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'c': { if (strncmp("colors",option+1,7) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing colors on -colors",(char *) NULL); } break; } if (strncmp("colorspace",option+1,7) == 0) { if (*option == '-') { unsigned int colorspace; i++; if (i == argc) Error("Missing type on -colorspace",(char *) NULL); option=argv[i]; colorspace=UndefinedColorspace; if (Latin1Compare("gray",option) == 0) colorspace=GRAYColorspace; if (Latin1Compare("ohta",option) == 0) colorspace=OHTAColorspace; if (Latin1Compare("rgb",option) == 0) colorspace=RGBColorspace; if (Latin1Compare("xyz",option) == 0) colorspace=XYZColorspace; if (Latin1Compare("ycbcr",option) == 0) colorspace=YCbCrColorspace; if (Latin1Compare("yiq",option) == 0) colorspace=YIQColorspace; if (Latin1Compare("ypbpr",option) == 0) colorspace=YPbPrColorspace; if (Latin1Compare("yuv",option) == 0) colorspace=YUVColorspace; if (colorspace == UndefinedColorspace) Error("Invalid colorspace type on -colorspace",option); } break; } if (strncmp("comment",option+1,4) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing comment on -comment",(char *) NULL); } break; } if (strncmp("compress",option+1,4) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing type on -compress",(char *) NULL); option=argv[i]; if (Latin1Compare("runlengthencoded",option) == 0) break; else if (Latin1Compare("qencoded",option) == 0) break; else Error("Invalid compression type on -compress",option); } break; } if (strncmp("contrast",option+1,3) == 0) break; if ((strncmp("crop",option+1,2) == 0) || (strncmp("clip",option+1,2) == 0)) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -crop",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'd': { if (strncmp("density",option+1,3) == 0) { image_info.density=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -density",(char *) NULL); image_info.density=argv[i]; } break; } if (strncmp("despeckle",option+1,3) == 0) break; if (strncmp("display",option+1,3) == 0) { image_info.server_name=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing server name on -display",(char *) NULL); image_info.server_name=argv[i]; } break; } if (strncmp("dither",option+1,3) == 0) { image_info.dither=(*option == '-'); break; } Error("Unrecognized option",option); break; } case 'e': { if (strncmp("edge",option+1,2) == 0) break; if (strncmp("emboss",option+1,2) == 0) break; if (strncmp("enhance",option+1,2) == 0) break; if (strncmp("equalize",option+1,2) == 0) break; Error("Unrecognized option",option); break; } case 'f': { if (strncmp("flip",option+1,3) == 0) break; if (strncmp("flop",option+1,3) == 0) break; if (strncmp("font",option+1,2) == 0) { image_info.font=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing font name on -font",(char *) NULL); image_info.font=argv[i]; } break; } if (strncmp("frame",option+1,2) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -frame",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'g': { if (strncmp("gamma",option+1,2) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing value on -gamma",(char *) NULL); } break; } if (strncmp("geometry",option+1,2) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -geometry",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'h': { if (strncmp("help",option+1,2) == 0) { Usage(); break; } Error("Unrecognized option",option); break; } case 'i': { if (strncmp("interlace",option+1,3) == 0) { image_info.interlace=NoneInterlace; if (*option == '-') { i++; if (i == argc) Error("Missing type on -interlace",(char *) NULL); option=argv[i]; image_info.interlace=UndefinedInterlace; if (Latin1Compare("none",option) == 0) image_info.interlace=NoneInterlace; if (Latin1Compare("line",option) == 0) image_info.interlace=LineInterlace; if (Latin1Compare("plane",option) == 0) image_info.interlace=PlaneInterlace; if (image_info.interlace == UndefinedInterlace) Error("Invalid interlace type on -interlace",option); } break; } Error("Unrecognized option",option); } case 'l': { if (strncmp("label",option+1,2) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing label name on -label",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'm': { if (strncmp("map",option+1,3) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing file name on -map",(char *) NULL); (void) strcpy(image_info.filename,argv[i]); map_image=ReadImage(&image_info); if (map_image == (Image *) NULL) Error("Unable to read map image",argv[i]); } break; } if (strcmp("matte",option+1) == 0) break; if (strncmp("mattecolor",option+1,6) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing color on -mattecolor",(char *) NULL); } break; } if (strncmp("modulate",option+1,3) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing value on -modulate",(char *) NULL); } break; } if (strncmp("monochrome",option+1,4) == 0) { image_info.monochrome=(*option == '-'); break; } Error("Unrecognized option",option); } case 'n': { if (strncmp("negate",option+1,3) == 0) break; if (strncmp("noise",option+1,3) == 0) break; if (strncmp("normalize",option+1,3) == 0) break; Error("Unrecognized option",option); break; } case 'o': { if (strncmp("opaque",option+1,2) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing color on -opaque",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'p': { if (strncmp("page",option+1,3) == 0) { image_info.page=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing page geometry on -page",(char *) NULL); image_info.page=PostscriptGeometry(argv[i]); } break; } if (strncmp("paint",option+1,3) == 0) break; if (strncmp("pen",option+1,2) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing pen color on -pen",(char *) NULL); } break; } if (strncmp("pointsize",option+1,2) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing size on -pointsize",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'q': { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing quality on -quality",(char *) NULL); image_info.quality=atoi(argv[i]); break; } case 'r': { if (strncmp("raise",option+1,2) == 0) { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing bevel width on -raise",(char *) NULL); break; } if (strncmp("roll",option+1,3) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -roll",(char *) NULL); } break; } if (strncmp("rotate",option+1,3) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing degrees on -rotate",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 's': { if (strncmp("sample",option+1,2) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -sample",(char *) NULL); } break; } if (strncmp("scene",option+1,3) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing scene number on -scene",(char *) NULL); } break; } if (strncmp("sharpen",option+1,3) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing factor on -sharpen",(char *) NULL); } break; } if (strncmp("shear",option+1,3) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing shear geometry on -shear",(char *) NULL); } break; } if (strncmp("size",option+1,2) == 0) { image_info.size=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -size",(char *) NULL); image_info.size=argv[i]; } break; } Error("Unrecognized option",option); break; } case 't': { if (strncmp("transparent",option+1,3) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing color on -transparent",(char *) NULL); } break; } if (strncmp("treedepth",option+1,3) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing depth on -treedepth",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'u': { if (strncmp("undercolor",option+1,2) == 0) { image_info.undercolor=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing undercolor geometry on -undercolor", (char *) NULL); image_info.undercolor=argv[i]; } break; } Error("Unrecognized option",option); break; } case 'v': { if (strncmp("verbose",option+1,1) == 0) { image_info.verbose=(*option == '-'); break; } Error("Unrecognized option",option); break; } case '?': { Usage(); break; } default: { Error("Unrecognized option",option); break; } } } if (image == (Image *) NULL) Error("Missing an image file name",(char *) NULL); /* Write images. */ do { /* Transmogrify image as defined by the image processing options. */ (void) strcpy(image->filename,argv[i]); MogrifyImage(&image_info,argc,argv,&image); if (map_image != (Image *) NULL) MapImage(image,map_image,False); status=WriteImage(&image_info,image); if (image_info.verbose) DescribeImage(image,stderr,False); next_image=image->next; if (next_image != (Image *) NULL) image=next_image; } while (next_image != (Image *) NULL); /* Free image resources. */ while (image->previous != (Image *) NULL) image=image->previous; DestroyImages(image); if (map_image != (Image *) NULL) DestroyImage(map_image); free((char *) image_info.filename); exit(0); return(False); } if (i == argc) Error("Mi./ImageMagick/miff.man010064400000240000024000000261320601517471300157150ustar00cristycristy00002330000007.ad l .nh .TH MIFF 5 "1 May 1994" "ImageMagick" .SH NAME MIFF - Magick Image File Format is a platform-independent format for storing bitmap images. MIFF is a part of the ImageMagick toolkit of image manipulation utilities for the X Window System. ImageMagick is capable of converting many different image file formats to and from MIFF (e.g. JPEG, XPM, TIFF, etc.). .SH SYNOPSIS .B #include .SH DESCRIPTION A MIFF image file consist of two sections. The first section is a header composed of keywords describing the image in text form. The next section is the binary image data. The header is separated from the image data by a \fB:\fP character immediately followed by a \fBnewline\fP. .PP The MIFF header is composed entirely of ASCII characters. The fields in the header are keyword and value combination in the \fIkeyword=value\fP format, with each keyword and value separated by an equal sign (=). Each \fIkeyword=value\fP combination is delimited by at least one control or whitespace character. Comments may appear in the header section and are always delimited by braces. The MIFF header always ends with a colon (:) character, followed by a \fBnewline\fP character. It is also common for a \fBformfeed\fP and a \fBnewline\fP character to appear before the colon. You can then list the image keywords with \fImore(1)\fP, without printing the binary image that follows the colon separator. .PP The following is a list of \fIkeyword=value\fP combinations that may be found in a MIFF file: .TP 5 .B "class=\fIDirectClass\fP" .B "class=\fBPseudoClass\fP" indicates the type of binary image data stored in the MIFF file. If this keyword is not present, \fBDirectClass\fP image data is assumed. .TP 5 .B "colors=\fIvalue\fP" specifies the number of colors in a \fBDirectClass\fP image. For a \fBPseudoClass\fP image, this keyword specifies the size of the colormap. If this keyword is not present in the header, and the image is \fBPseudoClass\fP, a linear 256 color grayscale colormap is used with the image data. .TP 5 .B "columns=\fIvalue\fP" indicates the width of the image in pixels. This is a required keyword and has no default. .TP 5 .B "compression=\fBRunlengthEncoded\fP" .B "compression=\fBQEncoded\fP" indicates the type of algorithm used to compress the image data. If this keyword is not present, the image data is assumed to be uncompressed. .TP 5 .B "depth=\fB8\fP" .B "depth=\fB16\fP" This is the depth of a single color value representing values from 0 to 255 (depth 8) or 65535 (depth 16). If this keyword is absent, a depth of 8 is assummed. .TP 5 .B "id=\fBImageMagick\fP" The id keyword identifies the file as a MIFF-format image file. This keyword is required and has no default. Although this keyword can appear anywhere in the header, it should start as the first keyword of the header in column 1. This will allow programs like \fBfile\fP(1) to easily identify the file as MIFF. .TP 5 .B "matte=\fBTrue\fP" .B "matte=\fBFalse\fP" specifies whether a \fBDirectClass\fP image has matte data. Matte data is generally useful for image compositing. This keyword has no meaning for pseudo-color images. .TP 5 .B "montage=\fIx{\+-}{\+-}\fP size and location of the individual tiles of a composite image. See \fBX(1)\fP for details about the geometry specification. .PP Use this keyword when the image is a composite of a number of different tiles. A tile consists of an image and optionally a border and a label. \fI\fP is the size in pixels of each individual tile in the horizontal direction and \fI\fP is the size in the vertical direction. Each tile must have an equal number of pixels in width and equal in height. However, the width can differ from the height. \fI\fP is the offset in number of pixels from the vertical edge of the composite image where the first tile of a row begins and \fI\fP is the offset from the horizontal edge where the first tile of a column begins. .PP If this keyword is specified, a directory of tile names must follow the image header. The format of the directory is explained below. .TP 5 .B "packets=\fIvalue\fP" specifies the number of compressed color packets in the image data section. This keyword is optional for \fBRunlengthEncoded\fP images, mandatory for \fBQEncoded\fP images, and not used for uncompressed image. .TP 5 .B "rows=\fIvalue\fP" indicates the height of the image in pixels. This is a required keyword and has no default. .TP 5 .B "scene=\fIvalue\fP" indicates the sequence number for this MIFF image file. This optional keyword is used when a MIFF image file is one in a sequence of files used in an animation. .TP 5 .B "signature=\fIvalue\fP" this optional keyword contains a string that uniquely identifies the image colormap. Unique colormap identifiers are normally used when animating a sequence of \fBPseudoClass\fP images. .PP The following is a sample MIFF header. In this example, is a formfeed character: .PP id=ImageMagick class=PseudoClass colors=256 signature=d79e1c308aa5bbcdeea8ed63df412da9 compression=RunlengthEncoded packets=27601 columns=1280 rows=1024 scene=1 { Rendered via Dore by Sandi Tennyson. } : .PP Note that \fIkeyword=value\fP combinations may be separated by newlines or spaces and may occur in any order within the header. Comments (within braces) may appear anywhere before the colon. .PP If you specify the \fBmontage\fP keyword in the header, follow the header with a directory of image tiles. This directory consists of a name for each tile of the composite image separated by a \fBnewline\fP character. The list is terminated with a NULL character. .PP Following the header (or image directory if the \fBmontage\fP keyword is in the header) is the binary image data itself. How the image data is formatted depends upon the class of the image as specified (or not specified) by the value of the \fBclass\fP keyword in the header. .PP \fBDirectClass\fP images (class=DirectClass) are continuous-tone, RGB images stored as intensity values in red-green-blue order. Each color value is one byte in size for \fBdepth\fP or 8 and there are three bytes per pixel (four with an optional matte value). If the depth is 16, each color value is two bytes with the most significant byte being first. The total number of pixels in a \fBDirectClass\fP image is calculates by multiplying the rows value by the column value in the header. .PP \fBPseudoClass\fP images (class=PseudoClass) are colormapped RGB images. The colormap is stored as a series of red-green-blue pixel values, each value being a byte in size. If the image depth is 16, each colormap entry is two bytes with the most significant byte being first. The number of colormap entries is indicated by the colors keyword in the header, with a maximum of 65,535 total entries allowed. The colormap data occurs immediately following the header (or image directory if the \fBmontage\fP keyword is in the header). .PP \fBPseudoClass\fP image data is an array of index values into the color map. If there are 256 or fewer colors in the image, each byte of image data contains an index value. If the image contains more than 256 colors or the depth is 16, the index value is stored as two contiguous bytes with the most significant byte being first. The total number of pixels in a \fBPseudoClass\fP image is calculated by multiplying the rows value by the columns value in the header. .PP MIFF is capable of storing a digital signature for colormapped images. This signature was developed for use when animating a sequence of images on a colormapped X server. All of the signatures in a sequence of MIFF files are checked, and if they all match, you do not need to compute a global colormap. .PP The default colormap identifier is a digital signature computed using RSA's Data Security MD5 Digest Algorithm. (See a description of this algorithm in Internet draft, [MD5], July 1992. The colormap signature is computed if the MIFF file is part of a scene (i.e. the scene value does not equal 0). .PP The image data in a MIFF file may be uncompressed or may be compressed using one of two algorithms. The compression keyword in the header indicates how the image data is compressed. The run-length encoding (RLE) algorithm may be used to encode image data into packets of compressed data. For \fBDirectClass\fP images, runs of identical pixels values (not BYTE values) are encoded into a series of four-byte packets (five bytes if a matte value is included). The first three bytes of the packet contain the red, green, and blue values of the pixel in the run. The fourth byte contains the number of pixels in the run. This value is in the range of 0 to 255 and is one less than the actual number of pixels in the run. For example, a value of 127 indicates that there are 128 pixels in the run. .PP For \fBPseudoClass\fP images, the same RLE algorithm is used. Runs of identical index values are encoded into packets. Each packet contains the colormap index value followed by the number of index values in the run. The number of bytes n a \fBPseudoClass\fP RLE packet will be either two or three, depending upon the size of the index values. The number of RLE packets stored in the file is specified by the packets keyword in the header, but is not required. .PP A more complex algorithm, the predictive arithmetic compression algorithm found in the lossless JPEG compression scheme, may be used to to achieve a greater compression ratio than run-length encoding. \fBPseudoClass\fP images are first promoted to \fBDirectClass\fP before encoding. The number of compressed packets stored in the file is specified by the packets keyword in the header. .PP MIFF files may contain more than one image. Simply concatenate each individual image (composed of a header and image data) into one file. .SH SEE ALSO .B display(1), animate(1), import(1), montage(1), mogrify(1), convert(1), more(1), compress(1) .SH COPYRIGHT Copyright 1995 E. I. du Pont de Nemours and Company .PP Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. du Pont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. du Pont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty. .PP E. I. du Pont de Nemours and Company disclaims all warranties with regard TO this software, including all implied warranties of merchantability and fitness, in no event shall E. I. du Pont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortuous action, arising out of or in connection with the use or performance of this software. .SH AUTHORS John Cristy, E.I. du Pont de Nemours and Company Incorporated ion. .TP 5 .B "signature=\fIvalue\fP" this optional keyword contains a string that uniquely identifies the image colormap. Unique colormap identifiers are normally used when animating a sequence of \fBPseudoClass\fP images. .PP The following is a sample MIFF header. In this example, is a formfeed character: .PP id=ImageMagick class=PseudoClass colors=256 signature=d79e1c308aa5bbcdeea8ed63df412da9 c./ImageMagick/segment.c010064400000240000024000000522500602164601600161020ustar00cristycristy00002330000007/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % SSSSS EEEEE GGGG M M EEEEE N N TTTTT % % SS E G MM MM E NN N T % % SSS EEE G GGG M M M EEE N N N T % % SS E G G M M E N NN T % % SSSSS EEEEE GGGG M M EEEEE N N T % % % % % % Segment an Image with Thresholding and the Fuzzy c-Means Technique. % % % % % % % % Software Design % % John Cristy % % April 1993 % % % % % % Copyright 1995 E. I. Dupont de Nemours and Company % % % % Permission to use, copy, modify, distribute, and sell this software and % % its documentation for any purpose is hereby granted without fee, % % provided that the above Copyright notice appear in all copies and that % % both that Copyright notice and this permission notice appear in % % supporting documentation, and that the name of E. I. Dupont de Nemours % % and Company not be used in advertising or publicity pertaining to % % distribution of the software without specific, written prior % % permission. E. I. Dupont de Nemours and Company makes no representations % % about the suitability of this software for any purpose. It is provided % % "as is" without express or implied warranty. % % % % E. I. Dupont de Nemours and Company disclaims all warranties with regard % % to this software, including all implied warranties of merchantability % % and fitness, in no event shall E. I. Dupont de Nemours and Company be % % liable for any special, indirect or consequential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, negligence or other tortuous action, arising % % out of or in connection with the use or performance of this software. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Segment segments an image by analyzing the histograms of the color % components and identifying units that are homogeneous with the fuzzy % c-means technique. The scale-space filter analyzes the histograms of % the three color components of the image and identifies a set of classes. % The extents of each class is used to coarsely segment the image with % thresholding. The color associated with each class is determined by % the mean color of all pixels within the extents of a particular class. % Finally, any unclassified pixels are assigned to the closest class with % the fuzzy c-means technique. % % The fuzzy c-Means algorithm can be summarized as follows: % % o Build a histogram, one for each color component of the image. % % o For each histogram, successively apply the scale-space % filter and build an interval tree of zero crossings in % the second derivative at each scale. Analyze this % scale-space ``fingerprint'' to determine which peaks and % valleys in the histogram are most predominant. % % o The fingerprint defines intervals on the axis of the % histogram. Each interval contains either a minima or a % maxima in the original signal. If each color component % lies within the maxima interval, that pixel is considered % ``classified'' and is assigned an unique class number. % % o Any pixel that fails to be classified in the above % thresholding pass is classified using the fuzzy % c-Means technique. It is assigned to one of the classes % discovered in the histogram analysis phase. % % The fuzzy c-Means technique attempts to cluster a pixel by finding % the local minima of the generalized within group sum of squared error % objective function. A pixel is assigned to the closest class of which % the fuzzy membership has a maximum value. % % Segment is strongly based on software written by Andy Gallo, University % of Delaware. % % The following reference was used in creating this program: % % Young Won Lim, Sang Uk Lee, "On The Color Image Segmentation Algorithm % Based on the Thresholding and the Fuzzy c-Means Techniques", Pattern % Recognition, Volume 23, Number 9, pages 935-952, 1990. % % The segment program syntax is: % % Usage: segment [options ...] input_file output_file % % Where options include: % -cluster_threshold value % minimum percent of pixels per cluster % -colorspace type GRAY, OHTA, RGB, XYZ, YCbCr, YIQ, YPbPr, or YUV % -comment string annotate image with comment % -compress type RunlengthEncoded or QEncoded % -density geometry vertical and horizontal density of the image % -display server obtain image or font from this X server % -font name X11 font for displaying text % -interlace type NONE, LINE, or PLANE % -label name assign a label to an image % -matte store matte channel if the image has one % -page geometry size and location of the Postscript page % -quality value JPEG quality setting % -smoothing_threshold value % smoothing threshold of second derivative % -scene value image scene number % -size geometry width and height of image % -treedepth value depth of the color classification tree % -verbose print detailed information about the image % % Change '-' to '+' in any option above to reverse its effect. For % example, specify +matte to store the image without its matte channel. % % By default, the image format of `file' is determined by its magic % number. To specify a particular image format, precede the filename % with an image format name and a colon (i.e. ps:image) or specify the % image type as the filename suffix (i.e. image.ps). Specify 'file' as % '-' for standard input or output. % % */ #include "magick.h" #include "image.h" #include "utility.h" #include "X.h" /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % U s a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Procedure Usage displays the program usage; % % The format of the Usage routine is: % % Usage() % % */ static void Usage() { char **p; static char *options[]= { "-cluster_threshold value", " minimum percent of pixels per cluster", "-colorspace type GRAY, OHTA, RGB, XYZ, YCbCr, YIQ, YPbPr, or YUV", "-comment string annotate image with comment", "-compress type RunlengthEncoded or QEncoded", "-density geometry vertical and horizontal density of the image", "-display server obtain image or font from this X server", "-font name X11 font for displaying text", "-interlace type NONE, LINE, or PLANE", "-label name assign a label to an image", "-matte store matte channel if the image has one", "-page geometry size and location of the Postscript page", "-quality value JPEG quality setting", "-smoothing_threshold value", " smoothing threshold of second derivative", "-scene value image scene number", "-size geometry width and height of image", "-treedepth value depth of the color classification tree", "-verbose print detailed information about the image", (char *) NULL }; (void) printf("Version: %s\n\n",Version); (void) printf("Usage: %s [options ...] input_file output_file\n", client_name); (void) printf("\nWhere options include:\n"); for (p=options; *p != (char *) NULL; p++) (void) printf(" %s\n",*p); (void) printf( "\nChange '-' to '+' in any option above to reverse its effect. For\n"); (void) printf( "example, specify +matte to store the image without an matte channel.\n"); (void) printf( "\nBy default, the image format of `file' is determined by its magic\n"); (void) printf( "number. To specify a particular image format, precede the filename\n"); (void) printf( "with an image format name and a colon (i.e. ps:image) or specify the\n"); (void) printf( "image type as the filename suffix (i.e. image.ps). Specify 'file' as\n"); (void) printf("'-' for standard input or output.\n"); exit(1); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a i n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ int main(argc,argv) int argc; char *argv[]; { #define NotInitialized (unsigned int) (~0) char *filename, *option; double cluster_threshold, smoothing_threshold; Image *image, *next_image; ImageInfo image_info; int i, status, x; unsigned int colorspace; /* Initialize program variables. */ client_name=ClientName(*argv); if (argc < 3) Usage(); /* Read image and convert to MIFF format. */ cluster_threshold=1.0; colorspace=RGBColorspace; image=(Image *) NULL; GetImageInfo(&image_info); smoothing_threshold=1.5; /* Check command syntax. */ filename=(char *) NULL; for (i=1; i < (argc-1); i++) { option=argv[i]; if (((int) strlen(option) < 2) || ((*option != '-') && (*option != '+'))) { /* Read input image. */ filename=argv[i]; (void) strcpy(image_info.filename,filename); if (image != (Image *) NULL) Error("input image already specified",filename); image=ReadImage(&image_info); if (image == (Image *) NULL) exit(1); } else switch(*(option+1)) { case 'c': { if (strncmp("cluster_threshold",option+1,2) == 0) { cluster_threshold=0.0; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing value on -cluster_threshold",(char *) NULL); } cluster_threshold=atof(argv[i]); break; } if (strncmp("colorspace",option+1,7) == 0) { colorspace=RGBColorspace; if (*option == '-') { i++; if (i == argc) Error("Missing type on -colorspace",(char *) NULL); option=argv[i]; colorspace=UndefinedColorspace; if (Latin1Compare("gray",option) == 0) colorspace=GRAYColorspace; if (Latin1Compare("ohta",option) == 0) colorspace=OHTAColorspace; if (Latin1Compare("rgb",option) == 0) colorspace=RGBColorspace; if (Latin1Compare("xyz",option) == 0) colorspace=XYZColorspace; if (Latin1Compare("ycbcr",option) == 0) colorspace=YCbCrColorspace; if (Latin1Compare("yiq",option) == 0) colorspace=YIQColorspace; if (Latin1Compare("ypbpr",option) == 0) colorspace=YPbPrColorspace; if (Latin1Compare("yuv",option) == 0) colorspace=YUVColorspace; if (colorspace == UndefinedColorspace) Error("Invalid colorspace type on -colorspace",option); } break; } if (strncmp("comment",option+1,4) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing comment on -comment",(char *) NULL); } break; } if (strncmp("compress",option+1,3) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing type on -compress",(char *) NULL); option=argv[i]; if (Latin1Compare("runlengthencoded",option) == 0) break; else if (Latin1Compare("qencoded",option) == 0) break; else Error("Invalid compression type on -compress",option); } break; } Error("Unrecognized option",option); break; } case 'd': { if (strncmp("density",option+1,3) == 0) { image_info.density=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -density",(char *) NULL); image_info.density=argv[i]; } break; } if (strncmp("display",option+1,3) == 0) { image_info.server_name=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing server name on -display",(char *) NULL); image_info.server_name=argv[i]; } break; } Error("Unrecognized option",option); break; } case 'f': { image_info.font=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing font name on -font",(char *) NULL); image_info.font=argv[i]; } break; } case 'h': { if (strncmp("help",option+1,2) == 0) { Usage(); break; } Error("Unrecognized option",option); break; } case 'i': { if (strncmp("interlace",option+1,3) == 0) { image_info.interlace=NoneInterlace; if (*option == '-') { i++; if (i == argc) Error("Missing type on -interlace",(char *) NULL); option=argv[i]; image_info.interlace=UndefinedInterlace; if (Latin1Compare("none",option) == 0) image_info.interlace=NoneInterlace; if (Latin1Compare("line",option) == 0) image_info.interlace=LineInterlace; if (Latin1Compare("plane",option) == 0) image_info.interlace=PlaneInterlace; if (image_info.interlace == UndefinedInterlace) Error("Invalid interlace type on -interlace",option); } break; } Error("Unrecognized option",option); break; } case 'l': { if (strncmp("label",option+1,2) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing label name on -label",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'm': { if (strncmp("matte",option+1,5) == 0) break; Error("Unrecognized option",option); break; } case 'p': { if (strncmp("page",option+1,3) == 0) { image_info.page=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing page geometry on -page",(char *) NULL); image_info.page=PostscriptGeometry(argv[i]); } break; } Error("Unrecognized option",option); break; } case 'q': { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing quality on -quality",(char *) NULL); image_info.quality=atoi(argv[i]); break; } case 's': { if (strncmp("scene",option+1,2) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing value on -scene",(char *) NULL); } break; } if (strncmp("size",option+1,2) == 0) { image_info.size=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -size",(char *) NULL); image_info.size=argv[i]; } break; } if (strncmp("smoothing_threshold",option+1,2) == 0) { smoothing_threshold=0.0; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing value on -smoothing_threshold", (char *) NULL); } smoothing_threshold=atof(argv[i]); break; } break; } case 'v': { if (strncmp("verbose",option+1,2) == 0) { image_info.verbose=(*option == '-'); break; } Error("Unrecognized option",option); break; } case '?': { Usage(); break; } default: { Error("Unrecognized option",option); break; } } } if (image == (Image *) NULL) Error("Missing an image file name",(char *) NULL); /* Write images. */ do { (void) strcpy(image->filename,argv[i]); if (image->previous != (Image *) NULL) (void) sprintf(image->filename,"%s.%u",argv[i],image->scene); /* Transmogrify image as defined by the image processing options. */ MogrifyImage(&image_info,argc,argv,&image); /* Reduce the number of colors in the image. */ SegmentImage(image,colorspace,image_info.verbose,smoothing_threshold, cluster_threshold); if (image_info.verbose) QuantizationError(image); SyncImage(image); status=WriteImage(&image_info,image); if (image_info.verbose) DescribeImage(image,stderr,False); next_image=image->next; if (next_image != (Image *) NULL) image=next_image; } while (next_image != (Image *) NULL); /* Free image resources. */ while (image->previous != (Image *) NULL) image=image->previous; DestroyImages(image); free((char *) image_info.filename); exit(0); return(False); } (*argv); if (argc < 3) Usage(); /* Read image and convert to MIFF format. */ cluster_threshold=1.0; colorspace=RGBColorspace; image=(Image *) NULL; GetImageInfo(&image_info); smoothing_threshold=1.5; /* Check command syntax. */ filename=(char *) NULL; for (i=1; i < (argc-1); i++) { option=argv[i]; ./ImageMagick/Manifest.ps010064400000240000024000000075770576671321600164360ustar00cristycristy00002330000007%!PS-Adobe-2.0 EPSF-2.0 %%Title: (Directory map of ImageMagick) %%Creator: pstree, (C) 1990 Gisle Aas, NR %%DocumentFonts: Times-Roman %%BoundingBox: 60 402 310 742 60.0 0 translate /s {show} bind def /m {moveto} bind def /Times-Roman findfont 10 scalefont setfont 0.1 setlinewidth 90 732 m(Changelog)s 90 722 m(ImageMagick.htm)s 90 712 m(ImageMagick.man)s 90 702 m(Imakefile)s 90 692 m(Install)s 90 682 m(Magick.faq)s 90 672 m(Magick.tmpl)s 90 662 m(Make.com)s 90 652 m(Makefile)s 90 642 m(Makefile.in)s 90 632 m(Manifest.ps)s 90 622 m(README)s 90 612 m(X.h)s 90 602 m(animate.c)s 90 592 m(animate.h)s 90 582 m(animate.man)s 90 572 m(combine.c)s 90 562 m(combine.man)s 90 552 m(configure)s 90 542 m(convert.c)s 90 532 m(convert.man)s 90 522 m(display.c)s 90 512 m(display.h)s 90 502 m(display.man)s 90 492 m(identify.c)s 90 482 m(identify.man)s 180 472 m(Makefile)s 180 462 m(README)s 180 452 m(arrow.gif)s 180 442 m(background.gif)s 180 432 m(ball.gif)s 180 422 m(home.gif)s 90 447 m(images)s (images) stringwidth pop 91.0 add 450.3 m [ 475.3 465.3 455.3 445.3 435.3 425.3] {gsave 176.0 exch lineto stroke grestore} forall 90 412 m(import.c)s 90 402 m(import.man)s 90 392 m(install-sh)s 180 382 m(Imakefile)s 180 372 m(Make.com)s 180 362 m(Makefile)s 180 352 m(Makefile.in)s 180 342 m(PreRvIcccm.c)s 180 332 m(PreRvIcccm.h)s 180 322 m(X.c)s 180 312 m(X.h)s 180 302 m(XWDFile.h)s 180 292 m(colors.c)s 180 282 m(compress.c)s 180 272 m(compress.h)s 180 262 m(decode.c)s 180 252 m(encode.c)s 180 242 m(error.c)s 180 232 m(image.c)s 180 222 m(image.h)s 180 212 m(logo.h)s 180 202 m(magick.h)s 180 192 m(quantize.c)s 180 182 m(segment.c)s 180 172 m(shear.c)s 180 162 m(signature.c)s 180 152 m(utility.c)s 180 142 m(utility.h)s 180 132 m(vms.c)s 180 122 m(vms.h)s 180 112 m(widget.c)s 180 102 m(widget.h)s 90 242 m(magick)s (magick) stringwidth pop 91.0 add 245.3 m [ 385.3 375.3 365.3 355.3 345.3 335.3 325.3 315.3 305.3 295.3 285.3 275.3 265.3 255.3 245.3 235.3 225.3 215.3 205.3 195.3 185.3 175.3 165.3 155.3 145.3 135.3 125.3 115.3 105.3] {gsave 176.0 exch lineto stroke grestore} forall 90 92 m(miff.man)s 90 82 m(mogrify.c)s 90 72 m(mogrify.man)s 90 62 m(montage.c)s 0 397 m(ImageMagick)s (ImageMagick) stringwidth pop 1.0 add 400.3 m [ 735.3 725.3 715.3 705.3 695.3 685.3 675.3 665.3 655.3 645.3 635.3 625.3 615.3 605.3 595.3 585.3 575.3 565.3 555.3 545.3 535.3 525.3 515.3 505.3 495.3 485.3 450.3 415.3 405.3 395.3 245.3 95.3 85.3 75.3 65.3] {gsave 86.0 exch lineto stroke grestore} forall showpage 60.0 0 translate 90 732 m(montage.man)s 90 722 m(quantize.man)s 180 712 m(Makefile)s 180 702 m(README)s 180 692 m(dna.script)s 90 702 m(scenes)s (scenes) stringwidth pop 91.0 add 705.3 m [ 715.3 705.3 695.3] {gsave 176.0 exch lineto stroke grestore} forall 90 682 m(segment.c)s 90 672 m(segment.man)s 180 662 m(Magick.html)s 180 652 m(README.html)s 180 642 m(animate.html)s 180 632 m(combine.html)s 180 622 m(convert.html)s 180 612 m(display.html)s 180 602 m(formats.html)s 180 592 m(identify.html)s 180 582 m(import.html)s 180 572 m(miff.html)s 180 562 m(mogrify.html)s 180 552 m(montage.html)s 180 542 m(quantize.html)s 180 532 m(segment.html)s 180 522 m(tools.html)s 180 512 m(xtp.html)s 90 587 m(www)s (www) stringwidth pop 91.0 add 590.3 m [ 665.3 655.3 645.3 635.3 625.3 615.3 605.3 595.3 585.3 575.3 565.3 555.3 545.3 535.3 525.3 515.3] {gsave 176.0 exch lineto stroke grestore} forall 180 502 m(Imakefile)s 180 492 m(Makefile)s 180 482 m(Makefile.in)s 180 472 m(README)s 180 462 m(configure)s 180 452 m(network.c)s 180 442 m(regular.c)s 180 432 m(regular.h)s 180 422 m(xtp.c)s 180 412 m(xtp.h)s 180 402 m(xtp.man)s 90 452 m(xtp)s (xtp) stringwidth pop 91.0 add 455.3 m [ 505.3 495.3 485.3 475.3 465.3 455.3 445.3 435.3 425.3 415.3 405.3] {gsave 176.0 exch lineto stroke grestore} forall 0 592 m(ImageMagick)s (ImageMagick) stringwidth pop 1.0 add 595.3 m [ 735.3 725.3 705.3 685.3 675.3 590.3 455.3] {gsave 86.0 exch lineto stroke grestore} forall showpage 82 m(compress.c)s 180 272 m(compress.h)s 180 262 m(decode.c)s 180 252 m(encode.c)s 180 242 m(error.c)s 180 232 m(image.c)s 180 22./ImageMagick/animate.man010064400000240000024000000512000601517471300164040ustar00cristycristy00002330000007.ad l .nh .TH animate 1 "1 May 1994" "ImageMagick" .SH NAME animate - display a sequence of images on any workstation running X .SH SYNOPSIS .B "animate" [ \fIoptions\fP ...] \fIfile\fP [ [ \fIoptions\fP ...] \fIfile\fP ...] .SH DESCRIPTION \fBanimate\fP displays a sequence of images on any workstation display running an X server. \fBanimate\fP first determines the hardware capabilities of the workstation. If the number of unique colors in an image is less than or equal to the number the workstation can support, the image is displayed in an X window. Otherwise the number of colors in the image is first reduced to match the color resolution of the workstation before it is displayed. .PP This means that a continuous-tone 24 bits-per-pixel image can display on a 8 bit pseudo-color device or monochrome device. In most instances the reduced color image closely resembles the original. Alternatively, a monochrome or pseudo-color image sequence can display on a continuous-tone 24 bits-per-pixel device. .PP To help prevent color flashing on X server visuals that have colormaps, \fBanimate\fP creates a single colormap from the image sequence. This can be rather time consuming. You can speed this operation up by reducing the colors in the image before you `animate' them. Use \fBmogrify\fP to color reduce the images to a single colormap. See \fBmogrify(1)\fP for details. Alternatively, you can use a Standard Colormap; or a static, direct, or true color visual. You can define a Standard Colormap with \fIxstdcmap\fP. See \fBXSTDCMAP(1)\fP for details. This method is recommended for colormapped X server because it eliminates the need to compute a global colormap. .SH EXAMPLES To animate a set of images of a cockatoo, use: .PP .B animate cockatoo.* .PP To animate a cockatoo image sequence while using the Standard Colormap "best", use: .PP .B xstdcmap -best .B animate -map best cockatoo.* .PP To animate an image of a cockatoo without a border centered on a backdrop, use: .PP .B animate +borderwidth -backdrop cockatoo.* .SH OPTIONS .TP 5 .B "-backdrop" display the image centered on a backdrop. This backdrop covers the entire workstation screen and is useful for hiding other X window activity while viewing the image sequence. The color of the backdrop is specified as the background color. Refer to \fBX RESOURCES\fP for details. .TP 5 .B "-colormap \fItype\fP" the type of colormap: \fBShared\fP or \fBPrivate\fP. This option only applies when the default X server visual is \fIPseudoColor\fP or \fIGrayScale\fP. Refer to \fB-visual\fP for more details. By default, a shared colormap is allocated. The image shares colors with other X clients. Some image colors could be approximated, therefore your image may look very different than intended. Choose \fBPrivate\fP and the image colors appear exactly as they are defined. However, other clients may go "technicolor" when the image colormap is installed. .TP 5 .B "-colors \fIvalue\fP" preferred number of colors in the image. The actual number of colors in the image may be less than your request, but never more. Note, this is a color reduction option. Images with less unique colors than specified with this option will remain unchanged. Refer to \fBquantize(9)\fP for more details. Note, options \fB-dither\fP, \fB-colorspace\fP, and \fB-treedepth\fP affect the color reduction algorithm. .TP 5 .B "-colorspace \fIvalue\fP" the type of colorspace: \fBGRAY\fP, \fBOHTA\fP, \fBRGB\fP, \fBXYZ\fP, \fBYCbCr\fP, \fBYIQ\fP, \fBYPbPr\fP, or \fBYUV\fP. Color reduction, by default, takes place in the RGB color space. Empirical evidence suggests that distances in color spaces such as YUV or YIQ correspond to perceptual color differences more closely than do distances in RGB space. These color spaces may give better results when color reducing an image. Refer to \fBquantize(9)\fP for more details. The \fB-colors\fP or \fB-monochrome\fP option is required for this option to take effect. .TP 5 .B "-delay \fImilliseconds\fP" display the next image after pausing. This option is useful for regulating the display of the sequence of images. \fImilliseconds\fP milliseconds must expire before the display of the next image. The default is 100 milliseconds between each frame of the image sequence. .TP 5 .B "-crop \fI{%}x{%}{\+-}{\+-}\fP" preferred size and location of the cropped image. See \fBX(1)\fP for details about the geometry specification. To specify a percentage width or height instead, append \fB%\fP. For example to crop the image by ten percent on all sides of the image, use \fB-crop 10%\fP. Use cropping to apply image processing options, or display, only a particular area of an image. Use \fB-crop 0x0\fP to remove edges that are the background color. The equivalent X resource for this option is \fBcropGeometry\fP (class \fBCropGeometry\fP). See \fBX RESOURCES\fP for details. .TP 5 .B "-density \fIx\fP vertical and horizontal resolution in pixels of the image. This option specifies an image density when decoding a Postscript or Portable Document page. The default is 72 pixels per inch in the horizontal and vertical direction. .TP 5 .B "-display \fIhost:display[.screen]\fP" specifies the X server to contact; see \fBX(1)\fP. .TP 5 .B "-dither" apply Floyd/Steinberg error diffusion to the image. The basic strategy of dithering is to trade intensity resolution for spatial resolution by averaging the intensities of several neighboring pixels. Images which suffer from severe contouring when reducing colors can be improved with this option. The \fB-colors\fP or \fB-monochrome\fP option is required for this option to take effect. .TP 5 .B "-gamma \fIvalue\fP" level of gamma correction. The same color image displayed on two different workstations may look different due to differences in the display monitor. Use gamma correction to adjust for this color difference. Reasonable values extend from 0.8 to 2.3. You can apply separate gamma values to the red, green, and blue channels of the image with a gamma value list delineated with commas (i.e. 1.7,2.3,1.2). .TP 5 .B "-geometry \fI{%}x{%}{\+-}{\+-}{!}{<}{>}\fP" preferred size and location of the Image window. See \fBX(1)\fP for details about the geometry specification. By default, the window size is the image size and the location is choosen by you when it is mapped. By default, the width and height are maximum values. That is, the image is expanded or contracted to fit the width and height value while maintaining the aspect ratio of the image. Append an exclamation point to the geometry to force the image size to exactly the size you specify. For example, if you specify \fB640x480!\fP the image width is set to 640 pixels and height to 480. If only one factor is specified, both the width and height assume the value. To specify a percentage width or height instead, append \fB%\fP. The image size is multiplied by the width and height percentages to obtain the final image dimensions. To increase the size of an image, use a value greater than 100 (e.g. 125%). To decrease an image's size, use a percentage less than 100. Use \fB<\fP to change the dimensions of the image \fIonly\fP if its size exceeds the geometry specification. \fB>\fP resizes the image \fIonly\fP if its dimensions is less than the geometry specification. For example, if you specify \fB640x480>\fP and the image size is 512x512, the image size does not change. However, if the image is 1024x1024, it is resized to 640x480. When displaying an image on an X server, \fI\fP and \fI\fP is relative to the root window. The equivalent X resource for this option is \fBgeometry\fP (class \fBGeometry\fP). See \fBX RESOURCES\fP for details. .TP 5 .B "-interlace \fItype\fP" the type of interlacing scheme: \fBNONE\fP, \fBLINE\fP, or \fBPLANE\fP. This option is used to specify the type of interlacing scheme for raw image formats such as \fBRGB\fP or \fBYUV\fP. \fBNONE\fP means do not interlace (RGBRGBRGBRGBRGBRGB...), \fBLINE\fP uses scanline interlacing (RRR...GGG...BBB...RRR...GGG...BBB...), and \fBPLANE\fP uses plane interlacing (RRRRRR...GGGGGG...BBBBBB...). Use \fBLINE\fP, or \fBPLANE\fP to create an interlaced GIF image. .TP 5 .B "-map \fItype\fP" display image using this Standard Colormap type. Choose from these Standard Colormap types: best default gray red green blue The X server must support the Standard Colormap you choose, otherwise an error occurs. Use \fBlist\fP as the type and \fBanimate(1)\fP searches the list of colormap types in top-to-bottom order until one is located. See \fBxstdcmap(1)\fP for one way of creating Standard Colormaps. .TP 5 .B "-monochrome" transform the image to black and white. .TP 5 .B "-scene \fIvalue{-value}\fP" image scene number. Use this option to specify an image sequence with a single filename. See the discussion of \fIfile\fP below for details. .TP 5 .B "-size \fI{%}x{%}{+offset}{!}" width and height of the image. Use this option to specify the width and height of raw images whose dimensions are unknown such as \fBGRAY\fP, \fBRGB\fP, or \fBCMYK\fP. In addition to width and height, use \fB-size\fP to skip any header information in the image or tell the number of colors in a \fBMAP\fP image file, (e.g. -size 640x512+256). .TP 5 .B "-treedepth \fIvalue\fP" Normally, this integer value is zero or one. A zero or one tells \fBanimate\fP to choose a optimal tree depth for the color reduction algorithm. An optimal depth generally allows the best representation of the source image with the fastest computational speed and the least amount of memory. However, the default depth is inappropriate for some images. To assure the best representation, try values between 2 and 8 for this parameter. Refer to \fBquantize(9)\fP for more details. The \fB-colors\fP or \fB-monochrome\fP option is required for this option to take effect. .TP 5 .B -verbose print detailed information about the image. This information is printed: image scene number; image name; image size; the image class (\fIDirectClass\fP or \fIPseudoClass\fP); the total number of unique colors; and the number of seconds to read and transform the image. Refer to \fBmiff(5)\fP for a description of the image class. If \fB-colors\fP is also specified, the total unique colors in the image and color reduction error values are printed. Refer to \fBquantize(9)\fP for a description of these values. .TP 5 .B "-visual \fItype\fP" animate images using this visual type. Choose from these visual classes: StaticGray GrayScale StaticColor PseudoColor TrueColor DirectColor default \fIvisual id\fP The X server must support the visual you choose, otherwise an error occurs. If a visual is not specified, the visual class that can display the most simultaneous colors on the default screen is choosen. .TP 5 .B "-window \fIid\fP" set the background pixmap of this window to the image. \fIid\fP can be a window id or name. Specify \fBroot\fP to select X's root window as the target window. By default the image is tiled onto the background of the target window. If \fB-backdrop\fP or \fB-geometry\fP are specified, the image is surrounded by the background color. Refer to \fBX RESOURCES\fP for details. The image will not display on the root window if the image has more unique colors than the target window colormap allows. Use \fB-colors\fP to reduce the number of colors. .PP In addition to those listed above, you can specify these standard X resources as command line options: \fB-background\fP, \fB-bordercolor\fP, \fB-borderwidth\fP, \fB-font\fP, \fB-foreground\fP, \fB-iconGeometry\fP, \fB-iconic\fP, \fB-mattecolor\fP, \fB-name\fP, or \fB-title\fP. See \fBX RESOURCES\fP for details. .PP Any option you specify on the command line remains in effect until it is explicitly changed by specifying the option again with a different effect. For example, to animate two images, the first with 32 colors and the second with only 16 colors, use: .PP animate -colors 32 cockatoo.1 -colors 16 cockatoo.2 .PP Options are processed in command line order. Any option you specify on the command line remains in effect until it is explicitly changed by specifying the option again with a different effect. .PP Change \fI-\fP to \fI\+\fP in any option above to reverse its effect. For example, specify \fB\+dither\fP to not apply error diffusion to an image. .PP By default, the image format is determined by its magic number. To specify a particular image format, precede the filename with an image format name and a colon (i.e. ps:image) or specify the image type as the filename suffix (i.e. image.ps). See \fBconvert(1)\fP for a list of valid image formats. .PP When you specify \fBX\fP as your image type, the filename has special meaning. It specifies an X window by id, name, or \fBroot\fP. If no filename is specified, the window is selected by clicking the mouse in the desired window. .PP Specify \fIfile\fP as \fI-\fP for standard input, If \fIfile\fP has the extension \fB.Z\fP or \fB.gz\fP, the file is uncompressed with \fBuncompress\fP or \fBgunzip\fP respectively. Precede the image file name with \fI|\fP to pipe from a system command. .PP Use an optional index enclosed in brackets after a file name to specify a desired subimage of a multi-resolution image format like Photo CD (e.g. img0001.pcd[4]) or a range for MPEG images (e.g. video.mpg[50-75]). .PP Single images are read with the filename you specify. Alternatively, you can animate an image sequence with a single filename. Define the range of the image sequence with \fI-scene\fP. Each image in the range is read with the filename followed by a period (\fB.\fP) and the scene number. You can change this behavior by embedding a \fBprintf\fP format specification in the file name. For example, .nf -scene 0-9 image%02d.miff .fi animates files image00.miff, image01.miff, through image09.miff. .PP Image filenames may appear in any order on the command line if the image format is \fIMIFF\fP (refer to \fBmiff(5)\fP and the \fBscene\fP keyword is specified in the image. Otherwise the images will display in the order they appear on the command line. .SH BUTTONS Press any button to map or unmap the Command widget. See the next section for more information about the Command widget. .SH COMMAND WIDGET The Command widget lists a number of sub-menus and commands. They are Animate Play Step Repeat Auto Reverse Speed Slower Faster Direction Forward Reverse Image Info Help Quit .PP Menu items with a indented triangle have a sub-menu. They are represented above as the indented items. To access a sub-menu item, move the pointer to the appropriate menu and press a button and drag. When you find the desired sub-menu item, release the button and the command is executed. Move the pointer away from the sub-menu if you decide not to execute a particular command. .SH KEYBOARD ACCELERATORS .TP 5 .B "p" Press to animate the sequence of images. .TP 5 .B "s" Press to display the next image in the sequence. .TP 5 .B "." Press to continually display the sequence of images. .TP 5 .B "a" Press to automatically reverse the sequence of images. .TP 5 .B "<" Press to slow the display of the images. Refer to \fB-delay\fP for more information. .TP 5 .B ">" Press to speed-up the display of the images. Refer to \fB-delay\fP for more information. .TP 5 .B "f" Press to animate in the forward direction. .TP 5 .B "r" Press to animate in the reverse direction. .TP 5 .B "i" Press to display information about the image. Press any key or button to erase the information. This information is printed: image name; image size; and the total number of unique colors in the image. .TP 5 .B "h" Press to display helpful information about \fBanimate(1)\fP. Function keys \fIHELP\fP or \fIF1\fP are synonymous with the \fIh\fP key. .TP 5 .B "q" Press to discard all images and exit program. .SH "X RESOURCES" \fBanimate\fP options can appear on the command line or in your X resource file. Options on the command line supersede values specified in your X resource file. See \fBX(1)\fP for more information on X resources. All \fBanimate\fP options have a corresponding X resource. In addition, the \fBanimate\fP program uses the following X resources: .TP 5 .B background (\fIclass\fP Background) Specifies the preferred color to use for the Image window background. The default is #ccc. .TP 5 .B borderColor (\fIclass\fP BorderColor) Specifies the preferred color to use for the Image window border. The default is black. .TP 5 .B borderWidth (\fIclass\fP BorderWidth) Specifies the width in pixels of the Image window border. The default is 2. .TP 5 .B font (\fIclass\fP Font or FontList) Specifies the name of the preferred font to use in normal formatted text. The default is 14 point \fIHelvetica\fP. .TP 5 .B foreground (\fIclass\fP Foreground) Specifies the preferred color to use for text within the Image window. The default is black. .TP 5 .B geometry (\fIclass\fP geometry) Specifies the preferred size and position of the image window. It is not necessarily obeyed by all window managers. .TP 5 .B iconGeometry (\fIclass\fP IconGeometry) Specifies the preferred size and position of the application when iconified. It is not necessarily obeyed by all window managers. .TP 5 .B iconic (\fIclass\fP Iconic) This resource indicates that you would prefer that the application's windows initially not be visible as if the windows had be immediately iconified by you. Window managers may choose not to honor the application's request. .TP 5 .B matteColor (\fIclass\fP MatteColor) Specify the color of windows. It is used for the backgrounds of windows, menus, and notices. A 3D effect is achieved by using highlight and shadow colors derived from this color. Default value: #ddd. .TP 5 .B name (\fIclass\fP Name) This resource specifies the name under which resources for the application should be found. This resource is useful in shell aliases to distinguish between invocations of an application, without resorting to creating links to alter the executable file name. The default is the application name. .TP 5 .B sharedMemory (\fIclass\fP SharedMemory) This resource specifies whether animate should attempt use shared memory for pixmaps. ImageMagick must be compiled with shared memory support, and the display must support the MIT-SHM extension. Otherwise, this resource is ignored. The default is True. .TP 5 .B text_font (\fIclass\fP textFont) Specifies the name of the preferred font to use in fixed (typewriter style) formatted text. The default is 14 point \fICourier\fP. .TP 5 .B title (\fIclass\fP Title) This resource specifies the title to be used for the Image window. This information is sometimes used by a window manager to provide some sort of header identifying the window. The default is the image file name. .SH ENVIRONMENT .TP 5 .B display To get the default host, display number, and screen. .SH SEE ALSO .B display(1), import(1), montage(1), mogrify(1), convert(1), segment(1), combine(1), xtp(1) .SH COPYRIGHT Copyright 1995 E. I. du Pont de Nemours and Company .PP Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. du Pont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. du Pont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty. .PP E. I. du Pont de Nemours and Company disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness, in no event shall E. I. du Pont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortuous action, arising out of or in connection with the use or performance of this software. .SH ACKNOWLEDGEMENTS The MIT X Consortium for making network transparent graphics a reality. .PP Michael Halle, Spatial Imaging Group at MIT, for the initial implementation of Alan Paeth's image rotation algorithm. .PP David Pensak, E. I. du Pont de Nemours and Company, for providing a computing environment that made this program possible. .PP Paul Raveling, USC Information Sciences Institute, for the original idea of using space subdivision for the color reduction algorithm. .SH AUTHORS John Cristy, E.I. du Pont de Nemours and Company Incorporated choose, otherwise an error occurs. If a visual is not specified, the visual class that can display the most simultaneous colors on the default screen is choosen. .TP 5 .B "-window \fIid\fP" set the background pixmap of this window to the image. \fIid\fP can be a window id or name. Specify \fBroot\fP to select X's root window as the target window. By default the image is tiled o./ImageMagick/Imakefile010064400000240000024000000102720602507474600161140ustar00cristycristy00002330000007#ifndef XCOMM #define XCOMM # #endif XCOMM XCOMM Imakefile for ImageMagick. XCOMM XCOMM Copyright 1994 E. I. du Pont de Nemours and Company XCOMM XCOMM Permission to use, copy, modify, distribute, and sell this software and XCOMM its documentation for any purpose is hereby granted without fee, XCOMM provided that the above Copyright notice appear in all copies and that XCOMM both that Copyright notice and this permission notice appear in XCOMM supporting documentation, and that the name of E. I. du Pont de Nemours XCOMM and Company not be used in advertising or publicity pertaining to XCOMM distribution of the software without specific, written prior XCOMM permission. E. I. du Pont de Nemours and Company makes no representations XCOMM about the suitability of this software for any purpose. It is provided XCOMM "as is" without express or implied warranty. XCOMM XCOMM E. I. du Pont de Nemours and Company disclaims all warranties with regard XCOMM to this software, including all implied warranties of merchantability XCOMM and fitness, in no event shall E. I. du Pont de Nemours and Company be XCOMM liable for any special, indirect or consequential damages or any XCOMM damages whatsoever resulting from loss of use, data or profits, whether XCOMM in an action of contract, negligence or other tortious action, arising XCOMM out of or in connection with the use or performance of this software. XCOMM #include "Magick.tmpl" #ifndef ForceSubdirs #define ForceSubdirs(dirs) #endif #define IHaveSubdirs #define PassCDebugFlags CCOPTIONS='$(CCOPTIONS)' HEADERS = magick/magick.h magick/image.h magick/compress.h magick/utility.h \ magick/X.h magick/widget.h magick/PreRvIcccm.h LINTSRCS = display.c magick/widget.c magick/X.c magick/image.c magick/shear.c \ magick/quantize.c magick/colors.c magick/signature.c magick/decode.c \ magick/encode.c magick/compress.c magick/utility.c magick/error.c \ magick/PreRvIcccm.c DEPLIBS = magick/libMagick.a $(DEPXLIB) SRCS = display.c import.c montage.c animate.c convert.c mogrify.c identify.c \ combine.c segment.c OBJS = display.o import.o montage.o animate.o convert.o mogrify.o identify.o \ combine.o segment.o PROGRAMS = magick display import montage animate convert mogrify identify \ combine segment SUBDIRS = magick AllTarget($(PROGRAMS)) DependTarget() ForceSubdirs($(SUBDIRS)) InstallSubdirs($(SUBDIRS)) DependSubdirs($(SUBDIRS)) LinkSourceFile(X.h,magick) NormalProgramTarget(display,display.o,$(DEPLIBS),$(LOCAL_LIBRARIES),$(XLIB) -lm) NormalLintTarget($(LINTSRCS)) InstallProgram(display,$(LOCALDIR)) InstallManPage(display,$(LOCALMAN)) NormalProgramTarget(montage,montage.o,$(DEPLIBS),$(LOCAL_LIBRARIES),$(XLIB) -lm) InstallProgram(montage,$(LOCALDIR)) InstallManPage(montage,$(LOCALMAN)) NormalProgramTarget(import,import.o,$(DEPLIBS),$(LOCAL_LIBRARIES),$(XLIB) -lm) InstallProgram(import,$(LOCALDIR)) InstallManPage(import,$(LOCALMAN)) NormalProgramTarget(animate,animate.o,$(DEPLIBS),$(LOCAL_LIBRARIES),$(XLIB) -lm) InstallProgram(animate,$(LOCALDIR)) InstallManPage(animate,$(LOCALMAN)) NormalProgramTarget(convert,convert.o,$(DEPLIBS),$(LOCAL_LIBRARIES),$(XLIB) -lm) InstallProgram(convert,$(LOCALDIR)) InstallManPage(convert,$(LOCALMAN)) NormalProgramTarget(identify,identify.o,$(DEPLIBS),$(LOCAL_LIBRARIES),$(XLIB) -lm) InstallProgram(identify,$(LOCALDIR)) InstallManPage(identify,$(LOCALMAN)) NormalProgramTarget(mogrify,mogrify.o,$(DEPLIBS),$(LOCAL_LIBRARIES),$(XLIB) -lm) InstallProgram(mogrify,$(LOCALDIR)) InstallManPage(mogrify,$(LOCALMAN)) NormalProgramTarget(combine,combine.o,$(DEPLIBS),$(LOCAL_LIBRARIES),$(XLIB) -lm) InstallProgram(combine,$(LOCALDIR)) InstallManPage(combine,$(LOCALMAN)) NormalProgramTarget(segment,segment.o,$(DEPLIBS),$(LOCAL_LIBRARIES),$(XLIB) -lm) InstallProgram(segment,$(LOCALDIR)) InstallManPage(segment,$(LOCALMAN)) InstallManPage(ImageMagick,$(LOCALMAN)) #define InstallMyManPage(file,destdir,suffix) @@\ install.man:: file.man @@\ MakeDir($(DESTDIR)destdir) @@\ $(INSTALL) -c $(INSTMANFLAGS) file.man $(DESTDIR)destdir/file.suffix InstallMyManPage(quantize,$(MANSOURCEPATH)5,5) InstallMyManPage(miff,$(MANSOURCEPATH)5,5) ./ImageMagick/README010064400000240000024000000422750602162633700151660ustar00cristycristy00002330000007 "I swear by my life and my love of it that I will never live for the sake of another man, nor ask another man to live for mine." John Galt in "Atlas Shrugged", by Ayn Rand AUTHOR The author is cristy@dupont.com. This software is NOT shareware. However, I am interested in who might be using it. Please consider sending me a picture postcard of the area where you live. Send postcards to John Cristy 5 Middleton Lane Landenberg, PA 19350 USA AVAILABILITY ImageMagick is available as ftp://ftp.x.org/contrib/applications/ImageMagick/ImageMagick-3.6.6.tar.gz I want ImageMagick to be of high quality, so if you encounter a problem I will investigate. However, be sure you are using the most recent version from ftp.x.org before submitting any bug reports or suggestions. WWW The official ImageMagick WWW page is http://www.wizards.dupont.com/cristy/ImageMagick.html it was created and is maintained by muquit@warm.semcor.com. Another useful ImageMagick WWW page is http://www.vrl.com/Imaging/ To use display as your external image viewer, edit the global mailcap file or your personal mailcap file .mailrc (located at your home directory) and put this entry: image/*; display %s UNIX COMPILATION Type: gunzip ImageMagick-3.6.6.tar.gz tar xvf ImageMagick-3.6.6.tar cd ImageMagick < edit magick/X.h and verify the RGBColorDatabase define > xmkmf make Makefiles make depend make -k If you do not have gunzip(1), it is available as prep.ai.mit.edu:pub/gnu/gzip-1.2.4.shar. If you do not have xmkmf(1), or if xmkmf(1) fails to produce usable Makefiles, type configure make If you use gcc and get a link error, recompile with the option -fPIC. Finally type: display images/aquarium.miff display -monochrome -dither images/aquarium.miff The aquarium and other images are available from anonymous FTP at ftp.x.org, file contrib/applications/ImageMagick/ImageMagick.images.tar.gz. If the image colors are not correct use this command: display -visual default images/aquarium.miff You can find other example images in the 'images' directory. Be sure to read the manual pages for the display(1), animate(1), montage(1), import(1), mogrify(1), identify(1), segment(1), combine(1), and convert(1) utilities. Also read the ImageMagick frequently asked questions in the file Magick.faq. This is required reading. Most of the questions I get via electonic mail are answered in this document. Place display(1) X application defaults in /usr/lib/X11/app-defaults/Display. Use the appropriate name for other clients (e.g. Animate, Montage, etc). The ImageMagick utilities read and write MIFF images. Refer to the end of this message for more information about MIFF. Use convert(1) to convert images to and from the MIFF format. ImageMagick utilities recognizes these image formats: Tag Description ---------------------------------------------------- AVS AVS X image file BMP Microsoft Windows bitmap image file CMYK Raw cyan, magenta, yellow, and black bytes EPS Adobe Encapsulated Postscript FAX Group 3 FITS Flexible Image Transport System GIF Compuserve Graphics image file GRAY Raw gray bytes HDF Hierarchical Data Format. JPEG Joint Photographic Experts Group file interchange format MAP colormap intensities and indices MATTE Raw matte bytes MIFF Magick image file format MPEG Motion Picture Experts Group digital video MTV MTV ray tracer image format PCD Photo CD PCX ZSoft IBM PC Paintbrush file PDF Portable Document Format PICT Apple Macintosh QuickDraw/PICT file PNG Portable Network Graphics PNM Portable bitmap PS Adobe PostScript file PS2 Adobe PostScript Level II file RAD Radiance image file RGB Raw red, green, and blue bytes RLE Utah Raster Toolkit SUN SUN Raster image file format TGA Truevision Targa image file TEXT raw text file; read only TIFF Tagged Image File Format VICAR Planetary File Format VID Visual Image Directory VIFF Khoros Visualization image file X select image from X server screen XC constant image of X server background color XBM X11 bitmap XPM X11 pixmap XWD X11 window dump YUV CCIR 601 4:1:1 file. YUV3 CCIR 601 4:1:1 files. and for your convenience automatically converts most of these alien image format to MIFF at execution time. However, the MIFF image format has several advantages over most image formats (i.e. runlength encoding, visual image dorectories, digital signature on an image colormap, etc.). ImageMagick is designed to exploit these advantages. Whenever possible convert an alien image format to the MIFF format before using the various ImageMagick programs. Other formats may also be recognized. See CONVERT(1) for a list of valid image formats. You can specify a particular image format by prefixing the image filename with the image type and a colon (i.e. ps:image). To further enhance the capabilities of ImageMagick, you may want to get these programs or libraries: o ImageMagick requires GNU's Ghostscript software available via anonymous FTP as ftp://ftp.cs.wisc.edu/pub/ghost/aladdin/ghostscript-3.33.tar.gz to read the Postscript or the Portable Document format. It is also required to annotate an image when an X server is not available. For ImageMagick to read Postscript files, gs(1) must be in your execution path and the `pbmraw' and `ppmraw' devices must be recognized (try gs -h to verify). If they are not defined, add them to your DEVICE_DEVS define in your Ghostscript Makefile and recompile (i.e. DEVICE_DEVS=x11.dev pbmraw.dev ppmraw.dev). For ImageMagick to read Portable Document Format files, the PDF language interpreter must be recognized (try gs -h to verify). If PDF is not interpreted, add pdf.dev to the FEATURE_DEVS define in your Ghostscript Makefile and recompile. o ImageMagick requires the NCSA HDF library available via anonymous FTP as ftp://ftp.ncsa.uiuc.edu/HDF/HDF3.3r4/tar/HDF3.3r4.tar.Z to read and write the HDF image format. o ImageMagick requires the JBIG-Kit software available via anonymous FTP as ftp://ftp.uni-erlangen.de/pub/doc/ISO/JBIG/jbigkit-0.7.tar.gz to read the JBIG image format. o ImageMagick requires the Independent JPEG Group's software available via anonymous FTP as ftp://ftp.uu.net/graphics/jpeg/jpegsrc.v6.tar.gz to read the JPEG image format. o ImageMagick requires the MPEG library available via anonymous FTP as ftp://ftp.mni.mcgill.ca/pub/mpeg/mpeg_lib-1.1.tar.gz ftp://wpi.wpi.edu/contrib/mpeg_lib-1.1.tar.gz to read the MPEG image format. o ImageMagick requires picttoppm from ftp://ftp.x.org/R5contrib/netpbm-1mar1994.tar.gz to read Macintosh PICT images. o ImageMagick requires the PNG and ZLIB library from ftp://ftp.uu.net/graphics/png/code/libpng-0.81.tar.gz ftp://ftp.uu.net/graphics/png/code/zlib-0.95.tar.gz to read the PNG image format. See http://quest.jpl.nasa.gov/PNG/ for more details. o ImageMagick requires ra_ppm from Greg Ward's Radiance software available via anonymous FTP as ftp://hobbes.lbl.gov/Radiance2R5.tar.Z to read the Radiance image format. o ImageMagick requires rawtorle from the Utah Raster Toolkit available via anonymous FTP as ftp://cs.utah.edu/pub/urt-3.1b.tar.Z to write the RLE image format. o ImageMagick requires Sam Leffler's TIFF software available via anonymous FTP as ftp://sgi.com/graphics/tiff/tiff-v3.4beta018-tar.gz to read the TIFF image format. o ImageMagick requires Arnaud Le Hors XPM software available via anonymous FTP as ftp://ftp.x.org/contrib/libraries/xpm-3.4f.tar.gz to read the XPM image format. o ImageMagick requires get(1) available via anonymous FTP as ftp://liege.ics.uci.edu/pub/arcadia/libwww-perl/ or via Mosaic as http://www.ics.uci.edu/WebSoft/libwww-perl/ to read images specified with a World Wide Web (WWW) uniform resource locator (URL). Get(1) must be in /usr/local/bin. See WWWcommand in magick/image.h to change its location. If you do not have a HTTP server, you can use xtp(1), available in the ImageMagick distribution, for URL's whose protocol is FTP. o ImageMagick requires a background texture for the TILE format and for the -texture option of montage(1). You can use your own or get samples from http://www.europa.com/~yyz/textures/textures.html http://the-tech.mit.edu/cgi-bin/KPT_bgs.pl To display images in the HDF, JBIG, JPEG, MPEG, PNG, TIFF, or XPM format, get the respective archive and build ImageMagick as follows: HDF: cd ImageMagick mkdir hdf cd hdf zcat HDF3.3r4.tar.Z | tar xvf - cp HDF3.3r4/hdf/src/* . < edit Makefile; define machine type; for Solaris 2.? comment out memory.h in hdf/hdfi.h > make libnofortran cd .. JBIG: cd ImageMagick gunzip -c jbigkit-0.7.tar.gz | tar xvof - mv jbigkit jbig cd jbig make cd .. JPEG: cd ImageMagick gunzip -c jpegsrc.v6.tar.gz | tar xvof - mv jpeg-6 jpeg cd jpeg configure CC=cc -with-maxmem=7 make cd .. MPEG: cd ImageMagick mkdir mpeg cd mpeg gunzip -c mpeg_lib-1.1.tar.gz | tar xvof - mv mpeg_lib/* . < edit Makefile as instructed; for Solaris use the BSD-compatibility libraries or replace bzero with a call to memset > make cd .. PNG: cd ImageMagick gunzip -c zlib-0.95.tar.gz | tar xvf - cd zlib make cd .. mkdir png cd png gunzip -c libpng-0.81.tar.gz | tar xvf - make cd .. TIFF: cd ImageMagick gunzip -c tiff-v3.4beta018.src.tar.Z | tar xvof - mv tiff-v3.4beta018 tiff cd tiff configure make cd .. XPM: cd ImageMagick mkdir xpm cd xpm gunzip -c xpm-3.4f.tar.gz | tar xvof - mv xpm-3.4f/lib/* . xmkmf make cd .. If your computer system supports shared libraries you must type make install If you do not have root privileges, type this instead rm libXpm* make -f Makefile.noX Finally, perform the following: cd ImageMagick < edit Magick.tmpl and define Has???? as instructed > xmkmf make Makefiles make clean make If you do not have xmkmf, try < edit Makefile.in and define Has???? as instructed > configure make clean make -k You can now display images in the HDF, JPEG, MPEG, TIFF, or XPM format. If you have HDF, JPEG, MPEG, PNG, TIFF, and XPM sources installed as directed above, you can also type Install sun Substitute the appropriate machine type (aix, hpux, sgi, etc). VMS COMPILATION Type @make set display/create/node=node_name:: where node_name is the DECNET X server to contact. Finally type: display [.images]aquarium.miff display -monochrome -dither [.images]aquarium.miff Alternatively, get a zipped distribution (with JPEG, MPEG, TIFF, and XPM) from ftp://ftp.x.org/contrib/vms/ImageMagick/ImageMagick-3.6.6.zip The VMS JPEG, TIFF, and XPM source libraries are available on axp.psl.ku.dk in [anonymous.decwindows.lib]. Thanks to pmoreau@cenaath.cena.dgac.fr for supplying invaluable help as well as the VMS versions of the JPEG, MPEG, PNG, TIFF, and XPM libraries. ANIMATION An example animation sequence is available from anonymous FTP at ftp.x.org, file contrib/ImageMagick.animation.tar.gz. Or alternatively, you can create this sequence yourself. Just look at README in the scenes directory. To prevent color flashing on visuals that have colormaps, animate(1) creates a single colormap from the image sequence. This can be rather time consuming. You can speed this operation up by reducing the colors in the image before you `animate' them. Use mogrify(1) to color reduce the images: mogrify -colors 256 scenes/dna.[0-9]* Note, the image sequence in ImageMagick.animation.tar.gz is already reduced. Alternatively, you can use a Standard Colormap; or a static, direct, or true color visual. You can define a Standard Colormap with xstdcmap(1). For example, to use the "best" Standard Colormap, type: xstdcmap -best animate -map best scenes/dna.[0-9]* or to use a true color visual: animate -visual truecolor scenes/dna.[0-9]* Image filenames can appear in any order on the command line if the scene keyword is specified in the MIFF image. Otherwise the images display in the order they appear on the command line. A scene is specified when converting from another image format to MIFF by using the "scene" option with any filter. Be sure to choose a scene number other than zero. For example, to convert a TIFF image to a MIFF image as scene #2, type: convert -scene 2 image.tiff image.miff 16-BIT Imaging By default, ImageMagick uses a color depth of 8 bits (e.g. [0..255]). Any 16-bit image is scaled to 8-bits before any image viewing or processing occurs. If you want to work directly with 16-bit images (e.g. [0..65535]), edit Magick.tmpl or Makefile.in and define QuantumLeap as instructed in the respective file. Next type make clean make In 16-bit mode expect to use about 25% more memory on the average. Also expect some processing to be slower than in 8-bit mode (e.g. Oil Painting, Segment, etc). In general, 16-bit mode is only useful if you have 16-bit images that you want to manipulate and save the transformed image back to a 16-bit image format (e.g. PNG, VIFF). MIFF IMAGE FORMAT MIFF is an image format which I developed. I like it because 1) It is machine independent. It can be read on virtually any computer. No byte swapping is necessary. 2) It has a text header. Most image formats are coded in binary and you cannot easily tell attributes about the image. Use more(1) on MIFF image files and the attributes are displayed in text form. 3) It can handle runlength-encoded images. Although most scanned images do not benefit from runlength-encoding, most computer-generated images do. Images of mostly uniform colors have a high compression ratio and therefore take up less memory and disk space. 4) It allows a scene number to be specified. This allows you to specify an animation sequence out-of-order on the command line. The correct order is determined by the scene number of each image. 5) MIFF computes a digital signature for colormapped images. This is useful for animating a sequence of images on a colormapped X server. If all signatures match in the image sequence, computing a global colormap is not necessary. 6) There is a `montage' keyword allowing an image to act as a visual image directory. See display(1) for more details. One way to get an image into MIFF format is to use convert(1). or read it from an X window using the 'import' program. Alternatively, type the necessary header information in a file with a text editor. Next, dump the binary bytes into another file. Finally, type cat header binary_image | display -write image.miff - For example, suppose you have a raw red, green, blue image file on disk that is 640 by 480. The header file would look like this: id=ImageMagick columns=640 rows=480 : The image file would have red, green, blue tuples (rgbrgbrgb...). Refer to the display(1) manual page for more details. COPYRIGHT Copyright 1995 E. I. du Pont de Nemours and Company Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. du Pont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. du Pont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty. E. I. du Pont de Nemours and Company disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness, in no event shall E. I. du Pont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortious action, arising out of or in connection with the use or performance of this software. ftp://ftp.x.org/R5contrib/netpbm-1mar1994.tar.gz to read Macintosh PICT images. o ImageMagick requires the PNG and ZLIB library from ftp://ftp.uu.net/graphics/png/code/libpng-0.81.tar.gz ftp://ftp.uu.net/graphics/png/code/zlib-0.95.tar.gz to read the PNG image format. See http://quest.jpl.nasa../ImageMagick/import.c010064400000240000024000000641010602164601600157500ustar00cristycristy00002330000007/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % IIIII M M PPPP OOO RRRR TTTTT % % I MM MM P P O O R R T % % I M M M PPPP O O RRRR T % % I M M P O O R R T % % IIIII M M P OOO R R T % % % % % % Import X11 image to a machine independent format. % % % % % % % % Software Design % % John Cristy % % July 1992 % % % % % % Copyright 1995 E. I. du Pont de Nemours and Company % % % % Permission to use, copy, modify, distribute, and sell this software and % % its documentation for any purpose is hereby granted without fee, % % provided that the above Copyright notice appear in all copies and that % % both that Copyright notice and this permission notice appear in % % supporting documentation, and that the name of E. I. du Pont de Nemours % % and Company not be used in advertising or publicity pertaining to % % distribution of the software without specific, written prior % % permission. E. I. du Pont de Nemours and Company makes no representations % % about the suitability of this software for any purpose. It is provided % % "as is" without express or implied warranty. % % % % E. I. du Pont de Nemours and Company disclaims all warranties with regard % % to this software, including all implied warranties of merchantability % % and fitness, in no event shall E. I. du Pont de Nemours and Company be % % liable for any special, indirect or consequential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, negligence or other tortuous action, arising % % out of or in connection with the use or performance of this software. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Import is an X Window System window dumping utility. Import allows X % users to store window images in a specially formatted dump file. This % file can then be read by the Display utility for redisplay, printing, % editing, formatting, archiving, image processing, etc. The target % window can be specified by id or name or be selected by clicking the % mouse in the desired window. The keyboard bell is rung once at the % beginning of the dump and twice when the dump is completed. % % The import program command syntax is: % % Usage: import [options ...] file % % Where options include: % -border include image borders in the output image % -colors value preferred number of colors in the image % -colorspace type GRAY, OHTA, RGB, XYZ, YCbCr, YIQ, YPbPr, or YUV % -comment string annotate image with comment % -compress type RunlengthEncoded or QEncoded % -crop geometry preferred size and location of the cropped image % -delay seconds pause before selecting target window % -density geometry vertical and horizontal density of the image % -descend obtain image by descending window hierarchy % -display server X server to contact % -frame include window manager frame % -geometry geometry perferred size or location of the image % -interlace type NONE, LINE, or PLANE % -label name assign a label to an image % -monochrome transform image to black and white % -negate apply color inversion to image % -page geometry size and location of the Postscript page % -quality value JPEG quality setting % -rotate degrees apply Paeth rotation to the image % -scene value image scene number % -screen select image from root window % -transparent color make this color transparent within the image % -treedepth value depth of the color classification tree % -verbose print detailed information about the image % -window id select window with this id or name % % Change '-' to '+' in any option above to reverse its effect. % For example, +frame means do not window manager frame. % % By default, 'file' is written in the Postscript image format. To specify % a particular image format, precede the filename with an image format % name and a colon (i.e. ps:image) or specify the image type as the % filename suffix (i.e. image.ps). Specify 'file' as '-' for standard % input or output. % % */ /* Include declarations. */ #include "magick.h" #include "image.h" #include "utility.h" #include "X.h" /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % U s a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Procedure Usage displays the program usage; % % The format of the Usage routine is: % % Usage() % % */ static void Usage() { char **p; static char *options[]= { "-border include image borders in the output image", "-colors value preferred number of colors in the image", "-colorspace type GRAY, OHTA, RGB, XYZ, YCbCr, YIQ, YPbPr, or YUV", "-comment string annotate image with comment", "-compress type RunlengthEncoded or QEncoded", "-crop geometry preferred size and location of the cropped image", "-delay seconds pause before selecting target window", "-density geometry vertical and horizontal density of the image", "-descend obtain image by descending window hierarchy", "-display server X server to contact", "-frame include window manager frame", "-geometry geometry perferred size or location of the image", "-interlace type NONE, LINE, or PLANE", "-label name assign a label to an image", "-monochrome transform image to black and white", "-negate apply color inversion to image", "-page geometry size and location of the Postscript page", "-quality value JPEG quality setting", "-rotate degrees apply Paeth rotation to the image", "-scene value image scene number", "-transparent color make this color transparent within the image", "-treedepth value depth of the color classification tree", "-screen select image from root window", "-verbose print detailed information about the image", "-window id select window with this id or name", (char *) NULL }; (void) printf("Version: %s\n\n",Version); (void) printf("Usage: %s [options ...] file\n",client_name); (void) printf("\nWhere options include:\n"); for (p=options; *p != (char *) NULL; p++) (void) printf(" %s\n",*p); (void) printf( "\nChange '-' to '+' in any option above to reverse its effect.\n"); (void) printf( "For example, +frame means do not include window manager frame.\n"); (void) printf( "\nBy default, 'file' is written in the Postscript image format. To\n"); (void) printf( "specify a particular image format, precede the filename with an image\n"); (void) printf( "format name and a colon (i.e. ps:image) or specify the image type as\n"); (void) printf( "the filename suffix (i.e. image.ps). Specify 'file' as '-' for\n"); (void) printf("standard input or output.\n"); exit(1); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a i n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ int main(argc,argv) int argc; char *argv[]; { char *filename, *option, *resource_value, *target_window; Display *display; Image *image; ImageInfo image_info; int i, x; unsigned int borders, compression, descend, frame, scene, screen; XResourceInfo resource_info; XrmDatabase resource_database; /* Display usage profile if there are no command line arguments. */ client_name=ClientName(*argv); if (argc < 2) Usage(); /* Connect to X server. */ image_info.server_name=(char *) NULL; for (i=1; i < argc; i++) { /* Check command line for server name. */ option=argv[i]; if (((int) strlen(option) == 1) || ((*option != '-') && (*option != '+'))) continue; if (strncmp("display",option+1,3) == 0) { /* User specified server name. */ i++; if (i == argc) Error("Missing server name on -display",(char *) NULL); image_info.server_name=argv[i]; break; } if (strncmp("help",option+1,2) == 0) Usage(); } display=XOpenDisplay(image_info.server_name); if (display == (Display *) NULL) Error("Unable to connect to X server",XDisplayName(image_info.server_name)); /* Set our forgiving error handler. */ XSetErrorHandler(XError); /* Get user defaults from X resource database. */ resource_database=XGetResourceDatabase(display,client_name); GetImageInfo(&image_info); XGetResourceInfo(resource_database,client_name,&resource_info); resource_value= XGetResourceClass(resource_database,client_name,"border","False"); borders=IsTrue(resource_value); resource_value= XGetResourceClass(resource_database,client_name,"compression","Runlength"); if (Latin1Compare("qencoded",resource_value) == 0) compression=QEncodedCompression; else compression=RunlengthEncodedCompression; image_info.density=XGetResourceClass(resource_database,client_name,"density", (char *) NULL); resource_value= XGetResourceClass(resource_database,client_name,"descend","False"); descend=IsTrue(resource_value); resource_value= XGetResourceClass(resource_database,client_name,"frame","False"); frame=IsTrue(resource_value); resource_value= XGetResourceClass(resource_database,client_name,"interlace","none"); image_info.interlace=UndefinedInterlace; if (Latin1Compare("none",resource_value) == 0) image_info.interlace=NoneInterlace; if (Latin1Compare("line",resource_value) == 0) image_info.interlace=LineInterlace; if (Latin1Compare("plane",resource_value) == 0) image_info.interlace=PlaneInterlace; if (image_info.interlace == UndefinedInterlace) Warning("Unrecognized interlace type",resource_value); image_info.page=XGetResourceClass(resource_database,client_name, "pageGeometry",(char *) NULL); resource_value= XGetResourceClass(resource_database,client_name,"quality","85"); image_info.quality=atoi(resource_value); resource_value=XGetResourceClass(resource_database,client_name,"rotate","0"); resource_value=XGetResourceClass(resource_database,client_name,"scene","0"); scene=atoi(resource_value); resource_value= XGetResourceClass(resource_database,client_name,"screen","False"); screen=IsTrue(resource_value); resource_value= XGetResourceClass(resource_database,client_name,"verbose","False"); image_info.verbose=IsTrue(resource_value); /* Check command syntax. */ filename=(char *) NULL; target_window=(char *) NULL; for (i=1; i < argc; i++) { option=argv[i]; if (((int) strlen(option) < 2) || ((*option != '-') && (*option != '+'))) filename=argv[i]; else switch(*(option+1)) { case 'b': { if (strcmp("border",option+1) == 0) { borders=(*option == '-'); break; } if (strncmp("bordercolor",option+1,7) == 0) { resource_info.border_color=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing color on -bordercolor",(char *) NULL); resource_info.border_color=argv[i]; } break; } Error("Unrecognized option",option); break; } case 'c': { if (strncmp("colors",option+1,7) == 0) { resource_info.number_colors=0; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing colors on -colors",(char *) NULL); resource_info.number_colors=atoi(argv[i]); } break; } if (strncmp("colorspace",option+1,7) == 0) { resource_info.colorspace=RGBColorspace; if (*option == '-') { i++; if (i == argc) Error("Missing type on -colorspace",(char *) NULL); option=argv[i]; resource_info.colorspace=UndefinedColorspace; if (Latin1Compare("gray",option) == 0) { resource_info.colorspace=GRAYColorspace; resource_info.number_colors=256; resource_info.tree_depth=8; } if (Latin1Compare("ohta",option) == 0) resource_info.colorspace=OHTAColorspace; if (Latin1Compare("rgb",option) == 0) resource_info.colorspace=RGBColorspace; if (Latin1Compare("xyz",option) == 0) resource_info.colorspace=XYZColorspace; if (Latin1Compare("ycbcr",option) == 0) resource_info.colorspace=YCbCrColorspace; if (Latin1Compare("yiq",option) == 0) resource_info.colorspace=YIQColorspace; if (Latin1Compare("ypbpr",option) == 0) resource_info.colorspace=YPbPrColorspace; if (Latin1Compare("yuv",option) == 0) resource_info.colorspace=YUVColorspace; if (resource_info.colorspace == UndefinedColorspace) Error("Invalid colorspace type on -colorspace",option); } break; } if (strncmp("comment",option+1,4) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing comment on -comment",(char *) NULL); } break; } if (strncmp("compress",option+1,3) == 0) { compression=NoCompression; if (*option == '-') { i++; if (i == argc) Error("Missing type on -compress",(char *) NULL); option=argv[i]; if (Latin1Compare("runlengthencoded",option) == 0) compression=RunlengthEncodedCompression; else if (Latin1Compare("qencoded",option) == 0) compression=QEncodedCompression; else Error("Invalid compression type on -compress",option); } break; } if (strncmp("crop",option+1,2) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -crop",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'd': { if (strncmp("delay",option+1,3) == 0) { resource_info.delay=0; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing seconds on -delay",(char *) NULL); resource_info.delay=atoi(argv[i]); } break; } if (strncmp("density",option+1,3) == 0) { image_info.density=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -density",(char *) NULL); image_info.density=argv[i]; } break; } if (strncmp("descend",option+1,3) == 0) { descend=(*option == '-'); break; } if (strncmp("display",option+1,3) == 0) { image_info.server_name=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing server name on -display",(char *) NULL); image_info.server_name=argv[i]; } break; } if (strncmp("dither",option+1,3) == 0) { image_info.dither=(*option == '-'); break; } Error("Unrecognized option",option); break; } case 'f': { argv[i]="-ignore"; /* resolve option confict */ frame=(*option == '-'); break; } case 'g': { if (strncmp("geometry",option+1,2) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -geometry",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'h': { if (strncmp("help",option+1,2) == 0) { Usage(); break; } Error("Unrecognized option",option); break; } case 'i': { if (strncmp("interlace",option+1,3) == 0) { image_info.interlace=NoneInterlace; if (*option == '-') { i++; if (i == argc) Error("Missing type on -interlace",(char *) NULL); option=argv[i]; image_info.interlace=UndefinedInterlace; if (Latin1Compare("none",option) == 0) image_info.interlace=NoneInterlace; if (Latin1Compare("line",option) == 0) image_info.interlace=LineInterlace; if (Latin1Compare("plane",option) == 0) image_info.interlace=PlaneInterlace; if (image_info.interlace == UndefinedInterlace) Error("Invalid interlace type on -interlace",option); } break; } Error("Unrecognized option",option); break; } case 'l': { if (strncmp("label",option+1,2) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing label name on -label",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'm': { if (strncmp("monochrome",option+1,2) == 0) { image_info.monochrome=(*option == '-'); if (image_info.monochrome) { resource_info.number_colors=2; resource_info.tree_depth=8; resource_info.colorspace=GRAYColorspace; } break; } Error("Unrecognized option",option); } case 'n': { if (strncmp("negate",option+1,2) == 0) break; Error("Unrecognized option",option); } case 'p': { if (strncmp("page",option+1,3) == 0) { image_info.page=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing page geometry on -page",(char *) NULL); image_info.page=PostscriptGeometry(argv[i]); } break; } Error("Unrecognized option",option); break; } case 'q': { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing quality on -quality",(char *) NULL); image_info.quality=atoi(argv[i]); break; } case 'r': { if (strncmp("rotate",option+1,3) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing degrees on -rotate",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 's': { if (strncmp("scene",option+1,3) == 0) { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing scene on -scene",(char *) NULL); scene=atoi(argv[i]); break; } if (strncmp("screen",option+1,3) == 0) { screen=(*option == '-'); break; } Error("Unrecognized option",option); break; } case 't': { if (strncmp("transparent",option+1,3) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing color on -transparent",(char *) NULL); } break; } if (strncmp("treedepth",option+1,3) == 0) { resource_info.tree_depth=0; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing depth on -treedepth",(char *) NULL); resource_info.tree_depth=atoi(argv[i]); } break; } Error("Unrecognized option",option); break; } case 'w': { i++; if (i == argc) Error("Missing id, name, or 'root' on -window",(char *) NULL); target_window=argv[i]; break; } case 'v': { image_info.verbose=(*option == '-'); break; } case '?': { Usage(); break; } default: { Error("Unrecognized option",option); break; } } } if (filename == (char *) NULL) Error("Missing an image file name",(char *) NULL); /* Read image from X server. */ if (target_window != (char *) NULL) (void) strcpy(image_info.filename,target_window); if (resource_info.delay != 0) (void) sleep(resource_info.delay); image=ReadXImage(&image_info,frame,borders,screen,descend); if (image == (Image *) NULL) exit(1); (void) strcpy(image->magick,"X"); /* Transmogrify image as defined by the image processing options. */ MogrifyImage(&image_info,argc,argv,&image); /* Write import X image. */ image->scene=scene; if (compression != UndefinedCompression) image->compression=compression; (void) strcpy(image_info.filename,filename); (void) strcpy(image->magick,"PS"); (void) strcpy(image->filename,filename); (void) WriteImage(&image_info,image); if (image_info.verbose) DescribeImage(image,stderr,False); DestroyImage(image); free((char *) image_info.filename); XCloseDisplay(display); exit(0); return(False); } n) == 0) resource_info.colorspace=YUVColorspace; if (resource_info.colorspace == UndefinedColorspace) Error("Invalid colorspace type on -colorspace",option); } break; } if (strncmp("comment",option+1,4) == 0) { if (*option == '-') { i++; if (i == argc) ./ImageMagick/Magick.faq010064400000240000024000000336650576442617500162100ustar00cristycristy00002330000007Each frequently asked question is listed here. Look for a detailed response following this list. 1. I received the following message, "?????? translation failed ...". What does it mean? 2. How can I improve the appearance of 24-bit images displayed on my colormapped X server? 3. How do I set the transparency index in a GIF image so it displays properly within Mosaic? 4. How can I stop the filenames from changing in the title bar of the animate(1) image window? 5. The image grabbed by import(1) does not look like the image on my X server. What's wrong? 6. How do I animate a digital YUV image sequence? 7. How do I view only the red channel of an RGB image? 8. How do I change the default Postscript page size? 9. I am trying to display a sequence of 100 images and I run out of memory. What can I do? 10. How do I concatenate two images left-to-right with no borders, frames, or text? 11. Unfortunately I have no choice but to work on an RS6000 under AIX. Display(1) hangs the X server. What can I do? 12. When I display a Postscript image it appears to be trimmed. I would like the display the entire page, including any white space. 13. What are visual image directories? How do I use them? 14. I have an HP. How do I take advantage of the Color Recovery option? 15. I use the window ID reported by xwininfo(1) with import and it does include the window manager frame as expected. How can I save the window with its frame? 16. I displayed an image and it appears as one solid color. What did I do wrong? 17. I received the following message, "???? library is not available ...". What does it mean? 18. I want to inspect the values of the matte channel within my image. How can I do that? * * * * * * * * * * * * * * * * * * 1. I received the following message, "?????? translation failed ...". What does it mean? ImageMagick uses several freely available packages to perform the translation of certain image formats (Postscript, PICT, etc.). Make sure these packages are available as described in the README file. Also verify that you have plenty of temporary disk space. If not, set the TMPDIR environment variable to an area where space is available. Finally, for Postscript, verify that the document contains valid Postscript statements. * * * * * * * * * * * * * * * * * * 2. How can I improve the appearance of 24-bit images displayed on my colormapped X server? If you have a colormapped X server, the number of unique colors in an image must first be reduced to match the requirements of your server before it can be displayed. Display(1) tries to make the color reduced image closely resemble the original. However, there are some options that may improve the appearance. You can use a private colormap. By default, your image must share colors with existing applications on your X server. The colors in your image may be very different than the shared colors and the results may be visually unsatisfactory. Try display -colormap private image.miff The disadvantage is the annoying colormap loading and unloading as you move your pointer in and out of the image window. The YCbCr colorspace may give better results when color reducing images of people faces. Try display -colorspace YCbCr image.miff If you intend to view an image frequently, reduce the number of colors to match the resolution of your X server once and write to a new image. Then display this new image. For example, convert -colors 256 -dither image.jpeg image.miff display image.miff This forces the time-consuming process of color reducing the image to one-time, rather than each time the image is displayed. * * * * * * * * * * * * * * * * * * 3. How do I set the transparency index in a GIF image so it displays properly within Mosaic? Display your GIF image with display(1). Choose Matte from the Image Edit command menu and identify a pixel that has the `transparency' color. Press Method and select a matte edit method from a pop-up menu. Choose from these methods: point replace floodfill The point method changes the matte value of any pixel selected with the pointer until the button is is released. The replace method changes the matte value of any pixel that matches the color of the pixel you select with a button press. Floodfill changes the matte value of any pixel that matches the color of the pixel you select with a button press and is a neighbor. Select your transparent pixel with the pointer and press a button. The image is redisplayed with any transparent pixels recolored to the background color. You can select other pixels or areas to force to transparent. When you are satisfied, press Return. Finally, choose Write from the command menu and write your GIF image to a file. Note that setting transparency works best on a TrueColor or DirectColor visual. If your server only exports colormapped visuals you will need to use a Standard Colormap to set transparency. xstdcmap -best display -map list image.gif < choose Matte Edit > < select your transparent pixel then press Return > < choose Write > If you do not have the xstdcmap(1) program, try display -visual TrueColor image.gif * * * * * * * * * * * * * * * * * * 4. How can I stop the filenames from changing in the title bar of the animate(1) image window? Animate(1) updates the image file name in the title bar of the image window as each image is displayed from the image sequence. To display just a single name that will not change, use -title: animate -title "My Image Sequence" images. * * * * * * * * * * * * * * * * * * 5. The image grabbed by import(1) does not look like the image on my X server. What's wrong? Use the -desend option: import -descend image.miff or set this X resource: import.descend: True By default, import(1) quickly grabs the image from the X server. However, it may not always have the correct colors in some areas. This can happen when a subwindow has a different colormap than its parent. With -descend, import(1) descends the window hierarchy. Descending involves grabbing the image and colormap of each window or subwindow associated with the window you select and compositing it on a blank canvas. This can be significantly slower than just grabbing the top-level window but guarentees the correct image. * * * * * * * * * * * * * * * * * * 6. How do I animate a digital YUV image sequence? Suppose your sequence is 72 352x240 frames titled frame0.Y, frame0.U, frame0.V, frame1.Y, frame1.U, etc. Use this command: animate -geometry 352x240 -scene 0-71 yuv3:frame%d * * * * * * * * * * * * * * * * * * 7. How do I view only the red channel of an RGB image? display -gamma 1.0,0.0,0.0 image.miff * * * * * * * * * * * * * * * * * * 8. How do I change the default Postscript page size? The default dimensions of a Postscript page is 612x792. If you prefer another default, change the page geometries in magick/image.h and recompile. * * * * * * * * * * * * * * * * * * 9. I am trying to display a sequence of 100 images and I run out of memory. What can I do? The simplest thing to do is to increase your virtual memory by expanding your swap partition. ImageMagick is designed to be general purpose. It can display many image storage formats (Monochrome, PseudoColor, or TrueColor) on many different types of X visuals (StaticGray, StaticColor, PseudoColor, GrayScale, DirectColor, or TrueColor). To support all these combinations of image storage formats and X visuals, extra memory is required. In fact, each image requires 6 bytes per pixel to store in memory. Additionally, animate(1) and montage(1) store an entire image sequence in memory. For animation, consider using the MPEG programs from Berkeley if you encounter memory limitations with animate(1). It only stores a few frames at a time in memory. Convert(1) has an option to create the proper CCIR 601 2:1:1 files as input to the MPEG program. However, the CCIR 601 2:1:1 image format is lossy. Computer generated images may not look very good. * * * * * * * * * * * * * * * * * * 10. How do I concatenate three images left-to-right with no borders, frames, or text? Assume your two images are called image1.ppm and image2.ppm. Type montage +frame +shadow +label +geometry -tile 3x1 \ image1.ppm image2.ppm image3.ppm concatenated.ppm Choose a geometry which is appropriate for your images. * * * * * * * * * * * * * * * * * * 11. Unfortunately I have no choice but to work on an RS6000 under AIX. Display(1) hangs the X server. What can I do? Display(1) is fine. The problem is a bug in the AIX X11-R5 runtime environment. Contact AIX defective support and ask for PTF U427948 and U433804. * * * * * * * * * * * * * * * * * * 12. When I display a Postscript image it appears to be trimmed. I would like the display the entire page, including any white space. ImageMagick automatically trims any Postscript image as defined by the bounding box. To preempt this behavior, explicitly set the page size. For example, display -page letter image.ps * * * * * * * * * * * * * * * * * * 13. What are visual image directories? How do I use them? A visual image directory (VID) is an image that contains thumbnails of one or more images in a file directory. Rather than displaying each individual image at its full resolution, you can browse the visual image directory and choose an image to display. You can create a VID with either of these commands: montage *.jpg directory.vid convert 'vid:*.jpg' directory.vid Of course you can substitute any filenames you desire. Montage(1) has many relevant command line option. You can exercise more control over the appearance of the VID than with convert(1). Next display the directory: display directory.vid Finally browse and select an image to display. Move the pointer to the image and press button 3. You can create the VID directory with this command: display 'vid:*.jpg' You can also select Visual Image... from the File menu of the Command widget. Note, that creating a VID is time consuming. Creating them on-the-fly within display(1) may be less convenient than using montage(1) or convert(1). Also, if you create them with montage(1) or convert(1), you can reuse them as often as necessary. Note that a visual image directory is useful for looking at individual frames of an image sequence: display vid:movie.mpg * * * * * * * * * * * * * * * * * * 14. I have an HP. How do I take advantage of the Color Recovery option? Type display -map list image.miff If you want to use Color Recovery all the time, put this in your X defaults file: display.map: list Now if you need to turn off Color Recovery temporarily, type display +dither image.miff See http://hpsgml.fc.hp.com/mhm/WhitePapers/ColorRecovery/ColorRecovery.html for details about Color Recovery. * * * * * * * * * * * * * * * * * * 15. I use the window ID reported by xwininfo(1) with import and it does include the window manager frame as expected. How can I save the window with its frame? By default, xwininfo(1) returns the ID of the window you click on. Use the -frame option to get the reparented window ID: xwininfo -frame You can then use the returned window ID with import(1): import -frame -window ID window.miff * * * * * * * * * * * * * * * * * * 16. I displayed an image and it appears as one solid color. What did I do wrong? A blank image generally means that the image is either corrupt or it has a matte channel and the matte values are all zero. ImageMagick treats a matte value of zero as completely transparent. To determine if this is the problem, try display +matte image.miff * * * * * * * * * * * * * * * * * * 17. I received the following message, "???? library is not available ...". What does it mean? ImageMagick requires source libraries not included with the distribution to view or convert certain image formats such as JPEG or TIFF. The above message means you did not compile the required library and link with the ImageMagick utilites. See ImageMagick/README for the location of these libraries and compiling instructions. Be sure to delete decode.o and encode.o before recompiling: cd ImageMagick rm magick/decode.o magick/encode.o make * * * * * * * * * * * * * * * * * * 18. I want to inspect the values of the matte channel within my image. How can I do that? View the matte image as a gray scale image. Suppose you have a TIFF image that has a matte channel and is 640 pixel in width and 480 in height. Type: convert image.tiff image.matte display -size 640x480 gray:image.matte * * * * * * * * * * * * * * * * * * ./ImageMagick/display.c010064400000240000024000015715570603014234700161240ustar00cristycristy00002330000007/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % DDDD IIIII SSSSS PPPP L AAA Y Y % % D D I SS P P L A A Y Y % % D D I SSS PPPP L AAAAA Y % % D D I SS P L A A Y % % DDDD IIIII SSSSS P LLLLL A A Y % % % % % % Display Machine Independent File Format Image via X11. % % % % % % % % Software Design % % John Cristy % % July 1992 % % % % % % Copyright 1995 E. I. du Pont de Nemours and Company % % % % Permission to use, copy, modify, distribute, and sell this software and % % its documentation for any purpose is hereby granted without fee, % % provided that the above Copyright notice appear in all copies and that % % both that Copyright notice and this permission notice appear in % % supporting documentation, and that the name of E. I. du Pont de Nemours % % and Company not be used in advertising or publicity pertaining to % % distribution of the software without specific, written prior % % permission. E. I. du Pont de Nemours and Company makes no representations % % about the suitability of this software for any purpose. It is provided % % "as is" without express or implied warranty. % % % % E. I. du Pont de Nemours and Company disclaims all warranties with regard % % to this software, including all implied warranties of merchantability % % and fitness, in no event shall E. I. du Pont de Nemours and Company be % % liable for any special, indirect or consequential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, negligence or other tortuous action, arising % % out of or in connection with the use or performance of this software. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Display is a machine architecture independent image processing % and display program. It can display any image in the MIFF format on % any workstation display running X. Display first determines the % hardware capabilities of the workstation. If the number of unique % colors in the image is less than or equal to the number the workstation % can support, the image is displayed in an X window. Otherwise the % number of colors in the image is first reduced to match the color % resolution of the workstation before it is displayed. % % This means that a continuous-tone 24 bits-per-pixel image can display on a % 8 bit pseudo-color device or monochrome device. In most instances the % reduced color image closely resembles the original. Alternatively, a % monochrome or pseudo-color image can display on a continuous-tone 24 % bits-per-pixel device. % % The Display program command syntax is: % % Usage: display [options ...] file [ [options ...] file ...] % % Where options include: % -backdrop display image centered on a backdrop % -blur factor apply a filter to blur the image % -border geometry surround image with a border of color % -colormap type Shared or Private % -colors value preferred number of colors in the image % -colorspace type GRAY, OHTA, RGB, XYZ, YCbCr, YIQ, YPbPr, or YUV % -comment string annotate image with comment", % -compress type RunlengthEncoded or QEncoded % -contrast enhance or reduce the image contrast % -crop geometry preferred size and location of the cropped image % -delay seconds display the next image after pausing % -density geometry vertical and horizontal density of the image % -despeckle reduce the speckles within an image % -display server display image to this X server % -dither apply Floyd/Steinberg error diffusion to image % -edge apply a filter to detect edges in the image % -enhance apply a digital filter to enhance a noisy image % -equalize perform histogram equalization to an image % -flip flip image in the vertical direction % -flop flop image in the horizontal direction % -frame geometry surround image with an ornamental border % -gamma value level of gamma correction % -geometry geometry preferred size and location of the Image window % -immutable displayed image cannot be modified % -interlace type NONE, LINE, or PLANE % -label name assign a label to an image % -map type display image using this Standard Colormap % -matte store matte channel if the image has one % -modulate value vary the brightness, saturation, and hue % -monochrome transform image to black and white % -negate apply color inversion to image % -noise reduce noise with a noise peak elimination filter % -normalize transform image to span the full the range of colors % -opaque color change this color to the pen color % -page geometry size and location of the Postscript page % -pen color color for annotating or changing opaque color % -quality value JPEG quality setting % -raise value lighten/darken image edges to create a 3-D effect % -roll geometry roll an image vertically or horizontally % -rotate degrees apply Paeth rotation to the image % -sample geometry scale image with pixel sampling % -scene value image scene number % -size geometry width and height of image % -sharpen factor apply a filter to sharpen the image % -shear geometry slide one edge of the image along the X or Y axis % -size geometry width and height of image % -treedepth value depth of the color classification tree % -update seconds detect when image file is modified and redisplay % -verbose print detailed information about the image % -visual type display image using this visual type % -window id display image to background of this window % -window_group id exit program when this window id is destroyed % -write filename write image to a file % % In addition to those listed above, you can specify these standard X % resources as command line options: -background, -bordercolor, % -borderwidth, -font, -foreground, -iconGeometry, -iconic, -mattecolor, % -name, -shared_memory, -usePixmap, or -title. % % Change '-' to '+' in any option above to reverse its effect. For % example, specify +matte to store the image without its matte channel. % % By default, the image format of `file' is determined by its magic % number. To specify a particular image format, precede the filename % with an image format name and a colon (i.e. ps:image) or specify the % image type as the filename suffix (i.e. image.ps). Specify 'file' as % '-' for standard input or output. % % Buttons: % 1 press to map or unmap the Command widget % 2 press and drag to magnify a region of an image % 3 press to load an image from a visual image directory % % Keyboard accelerators: % l load an image from a file % n display the next image % f display the former image % F2 select an image to load from the command line % w write the image to a file % p print the image to a Postscript printer % del delete the image file % C create a blank canvas % , display the next image after pausing % V create a Visual Image Directory % u undo last image transformation % F3 cut a region from the image % F4 copy a region of the image % F5 paste a region to the image % < half the image size % o original image size % > double the image size % % resize the image % r restore the image to its original size % A make image transformations permanent % @ refresh the Image window % [ crop the image % ] chop the image % | flop image in the horizontal direction % - flip image in the vertical direction % / rotate the image 90 degrees clockwise % \ rotate the image 90 degrees counter-clockwise % * rotate the image % s shear the image % t trim the image edges % F7 vary the image hue % F8 vary the color saturation % F9 vary the color brightness % g gamma correct the image % F10 sharpen the image contrast % F11 dull the image contrast % = perform histogram equalization on the image % N perform histogram normalization on the image % ~ negate the colors of the image % G convert the image to grayscale % # set the maximum number of unique colors in the image % D reduce the speckles within an image % P eliminate peak noise from an image % S sharpen the image % B blur the image % E detect edges within an image % M emboss an image % O oil paint an image % Z segment the image by color % a annotate the image with text % d draw on the image % c edit an image pixel color % m edit the image matte information % x composite image with another % b add a border to the image % ! add an image comment % R apply image processing techniques to a region of interest % i display information about the image % v display version number of this program % h display information about this program % browse information about ImageMagick % & display image to background of a window % F12 set user preferences % q discard all images and exit program % 1-9 change the level of magnification % % */ /* Include declarations. */ #include "magick.h" #include "image.h" #include "compress.h" #include "utility.h" #include "X.h" #include "widget.h" #include "PreRvIcccm.h" #include "display.h" /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % U s a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function Usage displays the program command syntax. % % The format of the Usage routine is: % % Usage(terminate) % % A description of each parameter follows: % % o terminate: A value other than zero is returned if the program is to % terminate immediately. % */ static void Usage(terminate) unsigned int terminate; { char **p; static char *buttons[]= { "1 press to map or unmap the Command widget", "2 press and drag to magnify a region of an image", "3 press to load an image from a visual image directory", (char *) NULL }, *options[]= { "-backdrop display image centered on a backdrop", "-blur factor apply a filter to blur the image", "-border geometry surround image with a border of color", "-colormap type Shared or Private", "-colors value preferred number of colors in the image", "-colorspace type GRAY, OHTA, RGB, XYZ, YCbCr, YIQ, YPbPr, or YUV", "-comment string annotate image with comment", "-compress type RunlengthEncoded or QEncoded", "-contrast enhance or reduce the image contrast", "-crop geometry preferred size and location of the cropped image", "-delay seconds display the next image after pausing", "-density geometry vertical and horizontal density of the image", "-despeckle reduce the speckles within an image", "-display server display image to this X server", "-dither apply Floyd/Steinberg error diffusion to image", "-edge apply a filter to detect edges in the image", "-enhance apply a digital filter to enhance a noisy image", "-equalize perform histogram equalization to an image", "-flip flip image in the vertical direction", "-flop flop image in the horizontal direction", "-frame geometry surround image with an ornamental border", "-gamma value level of gamma correction", "-geometry geometry preferred size and location of the Image window", "-immutable displayed image cannot be modified", "-interlace type NONE, LINE, or PLANE", "-label name assign a label to an image", "-map type display image using this Standard Colormap", "-matte store matte channel if the image has one", "-modulate value vary the brightness, saturation, and hue", "-monochrome transform image to black and white", "-negate apply color inversion to image", "-noise reduce noise with a noise peak elimination filter", "-normalize transform image to span the full range of colors", "-opaque color change this color to the pen color", "-page geometry size and location of the Postscript page", "-pen color color for annotating or changing opaque color", "-quality value JPEG quality setting", "-raise value lighten/darken image edges to create a 3-D effect", "-roll geometry roll an image vertically or horizontally", "-rotate degrees apply Paeth rotation to the image", "-scene value image scene number", "-size geometry width and height of image", "-sample geometry scale image with pixel sampling", "-sharpen factor apply a filter to sharpen the image", "-shear geometry slide one edge of the image along the X or Y axis", "-size geometry width and height of image", "-treedepth value depth of the color classification tree", "-update seconds detect when image file is modified and redisplay", "-verbose print detailed information about the image", "-visual type display image using this visual type", "-window id display image to background of this window", "-window_group id exit program when this window id is destroyed", "-write filename write image to a file", (char *) NULL }; (void) printf("Version: %s\n\n",Version); (void) printf( "Usage: %s [-options ...] file [ [-options ...] file ...]\n",client_name); (void) printf("\nWhere options include: \n"); for (p=options; *p != (char *) NULL; p++) (void) printf(" %s\n",*p); (void) printf( "\nIn addition to those listed above, you can specify these standard X\n"); (void) printf( "resources as command line options: -background, -bordercolor,\n"); (void) printf( "-borderwidth, -font, -foreground, -iconGeometry, -iconic, -mattecolor,\n"); (void) printf( "-name, -shared_memory, -usePixmap, or -title.\n"); (void) printf( "\nChange '-' to '+' in any option above to reverse its effect. For\n"); (void) printf( "example, specify +matte to store the image without a matte channel.\n"); (void) printf( "\nBy default, the image format of `file' is determined by its magic\n"); (void) printf( "number. To specify a particular image format, precede the filename\n"); (void) printf( "with an image format name and a colon (i.e. ps:image) or specify the\n"); (void) printf( "image type as the filename suffix (i.e. image.ps). Specify 'file' as\n"); (void) printf("'-' for standard input or output.\n"); (void) printf("\nButtons: \n"); for (p=buttons; *p != (char *) NULL; p++) (void) printf(" %s\n",*p); if (terminate) exit(1); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X A n n o t a t e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function _XAnnotateImage annotates the image with text. % % The format of the _XAnnotateImage routine is: % % _XAnnotateImage(display,resource_info,windows,image) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o windows: Specifies a pointer to a XWindows structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % */ static unsigned int _XAnnotateImage(display,resource_info,windows,image) Display *display; XResourceInfo *resource_info; XWindows *windows; Image *image; { #define AnnotateModeNameOp 0 #define AnnotateModeColorOp 1 #define AnnotateModeRotateOp 2 #define AnnotateModeHelpOp 3 #define AnnotateModeDismissOp 4 #define TextModeHelpOp 0 #define TextModeDismissOp 1 static char *AnnotateModeMenu[]= { "Font Name", "Font Color", "Rotate Text", "Help", "Dismiss", (char *) NULL }, *TextModeMenu[]= { "Help", "Dismiss", (char *) NULL }; char command[MaxTextLength], *p, text[MaxTextLength]; Cursor cursor; GC annotate_context; int id, x, y; KeySym key_symbol; register int i; static double degrees = 0.0; static unsigned int font_id = 0, pen_id = 0; unsigned int height, status, width; unsigned long state, x_factor, y_factor; XAnnotateInfo *annotate_info, *previous_info; XFontStruct *font_info; XEvent event, text_event; /* Map Command widget. */ windows->command.name="Annotate"; windows->command.data=3; (void) XCommandWidget(display,windows,AnnotateModeMenu,(XEvent *) NULL); XMapRaised(display,windows->command.id); XClientMessage(display,windows->image.id,windows->im_protocols, windows->im_update_widget,CurrentTime); /* Track pointer until button 1 is pressed. */ XQueryPosition(display,windows->image.id,&x,&y); XSelectInput(display,windows->image.id,windows->image.attributes.event_mask | PointerMotionMask); state=DefaultState; do { if (windows->info.mapped) { /* Display pointer position. */ (void) sprintf(text," %+d%+d ",x-windows->image.x,y-windows->image.y); XInfoWidget(display,windows,text); } /* Wait for next event. */ XIfEvent(display,&event,XScreenEvent,(char *) windows); if (event.xany.window == windows->command.id) { /* Select a command from the Command widget. */ id=XCommandWidget(display,windows,AnnotateModeMenu,&event); if (id < 0) continue; switch (id) { case AnnotateModeNameOp: { char font_name[MaxTextLength], *FontMenu[MaxNumberFonts+1]; int font_number; /* Initialize menu selections. */ for (i=0; i < MaxNumberFonts; i++) FontMenu[i]=resource_info->font_name[i]; FontMenu[MaxNumberFonts-1]="Browser..."; FontMenu[MaxNumberFonts]=(char *) NULL; /* Select a font name from the pop-up menu. */ font_number=XMenuWidget(display,windows,AnnotateModeMenu[id], FontMenu,font_name); if (font_number == (MaxNumberFonts-1)) { static char font_name[MaxTextLength]="fixed"; /* Select a font name from a browser. */ resource_info->font_name[MaxNumberFonts-1]=font_name; XFontBrowserWidget(display,windows,"Select",font_name); if (*font_name == '\0') break; } if (font_number >= 0) { /* Initialize font info. */ (void) strcpy(font_name,resource_info->font_name[font_number]); font_info=XLoadQueryFont(display,font_name); if (font_info == (XFontStruct *) NULL) XNoticeWidget(display,windows,"Unable to load font:", font_name); else { font_id=font_number; XFreeFont(display,font_info); } } break; } case AnnotateModeColorOp: { char color_name[MaxTextLength], *ColorMenu[MaxNumberPens+1]; int pen_number; /* Initialize menu selections. */ for (i=0; i < MaxNumberPens; i++) ColorMenu[i]=resource_info->pen_color[i]; ColorMenu[MaxNumberPens-1]="Browser..."; ColorMenu[MaxNumberPens]=(char *) NULL; /* Select a pen color from the pop-up menu. */ pen_number=XMenuWidget(display,windows,AnnotateModeMenu[id], ColorMenu,color_name); if (pen_number == (MaxNumberPens-1)) { static char color_name[MaxTextLength]="gray"; /* Select a pen color from a dialog. */ resource_info->pen_color[MaxNumberPens-1]=color_name; XColorBrowserWidget(display,windows,"Select",color_name); if (*color_name == '\0') break; } if (pen_number >= 0) { /* Set pen color. */ pen_id=pen_number; (void) strcpy(color_name,resource_info->pen_color[pen_id]); status=XParseColor(display,windows->image.map_info->colormap, color_name,&windows->image.pixel_info->pen_color[pen_id]); if (status == 0) XNoticeWidget(display,windows,"Color is unknown to X server:", color_name); XBestPixel(display,windows->image.map_info->colormap, (XColor *) NULL,(unsigned int) Min(windows->image.visual_info->colormap_size,256), &windows->image.pixel_info->pen_color[pen_id]); } break; } case AnnotateModeRotateOp: { char command[MaxTextLength]; int entry; static char *RotateMenu[]= { "45", "90", "135", "180", "225", "270", "315", (char *) NULL, (char *) NULL, }; /* Select a command from the pop-up menu. */ RotateMenu[7]="Dialog..."; entry=XMenuWidget(display,windows,AnnotateModeMenu[id],RotateMenu, command); if (entry < 0) break; if (entry != 7) degrees=atof(RotateMenu[entry]); else { (void) strcpy(command,"30.0"); XDialogWidget(display,windows,"OK","Enter rotation angle:", command); if (*command == '\0') break; degrees=atof(command); } break; } case AnnotateModeHelpOp: { XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Annotation",ImageAnnotateHelp); break; } case AnnotateModeDismissOp: { /* Prematurely exit. */ state|=EscapeState; state|=ExitState; break; } default: break; } continue; } switch (event.type) { case ButtonPress: { if (event.xbutton.window == windows->pan.id) { XPanImage(display,windows,&event); XInfoWidget(display,windows,text); break; } if (event.xbutton.window != windows->image.id) break; /* Change to text entering mode. */ x=event.xbutton.x; y=event.xbutton.y; state|=ExitState; break; } case ButtonRelease: break; case Expose: break; case KeyPress: { if (event.xkey.window != windows->image.id) break; /* Respond to a user key press. */ (void) XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); switch (key_symbol) { case XK_Escape: case XK_F20: { /* Prematurely exit. */ state|=EscapeState; state|=ExitState; break; } case XK_F1: case XK_Help: { XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Annotation",ImageAnnotateHelp); break; } default: { XBell(display,0); break; } } break; } case MotionNotify: { /* Discard pending pointer motion events. */ while (XCheckMaskEvent(display,PointerMotionMask,&event)); x=event.xmotion.x; y=event.xmotion.y; /* Map and unmap Info widget as cursor crosses its boundaries. */ if (windows->info.mapped) { if ((x < (windows->info.x+windows->info.width)) && (y < (windows->info.y+windows->info.height))) XWithdrawWindow(display,windows->info.id,windows->info.screen); } else if ((x > (windows->info.x+windows->info.width)) || (y > (windows->info.y+windows->info.height))) XMapWindow(display,windows->info.id); break; } default: break; } } while (!(state & ExitState)); XSelectInput(display,windows->image.id,windows->image.attributes.event_mask); XWithdrawWindow(display,windows->info.id,windows->info.screen); if (state & EscapeState) return(True); /* Set font info and check boundary conditions. */ font_info=XLoadQueryFont(display,resource_info->font_name[font_id]); if (font_info == (XFontStruct *) NULL) { XNoticeWidget(display,windows,"Unable to load font:", resource_info->font_name[font_id]); font_info=windows->image.font_info; } if ((x+font_info->max_bounds.width) >= windows->image.width) x=windows->image.width-font_info->max_bounds.width; if (y < (font_info->ascent+font_info->descent)) y=font_info->ascent+font_info->descent; if ((font_info->max_bounds.width > windows->image.width) || ((font_info->ascent+font_info->descent) >= windows->image.height)) return(False); /* Initialize annotate structure. */ annotate_info=(XAnnotateInfo *) malloc(sizeof(XAnnotateInfo)); if (annotate_info == (XAnnotateInfo *) NULL) return(False); XGetAnnotateInfo(annotate_info); annotate_info->x=x; annotate_info->y=y; annotate_info->height=font_info->ascent+font_info->descent; annotate_info->degrees=degrees; annotate_info->font_info=font_info; annotate_info->text=(char *) malloc( (windows->image.width/Max(font_info->min_bounds.width,1)+2)*sizeof(char)); if (annotate_info->text == (char *) NULL) return(False); /* Create cursor and set graphic context. */ cursor=XCreateFontCursor(display,XC_pencil); XDefineCursor(display,windows->image.id,cursor); annotate_context=windows->image.annotate_context; XSetFont(display,annotate_context,font_info->fid); XSetForeground(display,annotate_context, windows->image.pixel_info->pen_color[pen_id].pixel); /* Begin annotating the image with text. */ windows->command.name="Text"; windows->command.data=0; (void) XCommandWidget(display,windows,TextModeMenu,(XEvent *) NULL); state=DefaultState; XDrawString(display,windows->image.id,annotate_context,x,y,"_",1); text_event.xexpose.width=(unsigned int) font_info->max_bounds.width; text_event.xexpose.height=font_info->max_bounds.ascent+ font_info->max_bounds.descent; p=annotate_info->text; do { /* Display text cursor. */ *p='\0'; XDrawString(display,windows->image.id,annotate_context,x,y,"_",1); /* Wait for next event. */ XIfEvent(display,&event,XScreenEvent,(char *) windows); if (event.xany.window == windows->command.id) { /* Select a command from the Command widget. */ XSetForeground(display,annotate_context, windows->image.pixel_info->foreground_color.pixel); id=XCommandWidget(display,windows,AnnotateModeMenu,&event); XSetForeground(display,annotate_context, windows->image.pixel_info->pen_color[pen_id].pixel); if (id < 0) continue; switch (id) { case TextModeHelpOp: { XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Annotation",ImageAnnotateHelp); XDefineCursor(display,windows->image.id,cursor); break; } case TextModeDismissOp: { /* Finished annotating. */ annotate_info->width=XTextWidth(font_info,annotate_info->text, strlen(annotate_info->text)); XRefreshWindow(display,&windows->image,&text_event); state|=ExitState; break; } default: break; } continue; } /* Erase text cursor. */ text_event.xexpose.x=x; text_event.xexpose.y=y-font_info->max_bounds.ascent; XClearArea(display,windows->image.id,x,text_event.xexpose.y, text_event.xexpose.width,text_event.xexpose.height,False); XRefreshWindow(display,&windows->image,&text_event); switch (event.type) { case ButtonPress: { if (event.xbutton.window == windows->pan.id) { XPanImage(display,windows,&event); break; } if (event.xbutton.button == Button2) { /* Request primary selection. */ XConvertSelection(display,XA_PRIMARY,XA_STRING,XA_STRING, windows->image.id,CurrentTime); break; } break; } case Expose: { if (event.xexpose.count == 0) { XAnnotateInfo *text_info; /* Refresh Image window. */ XRefreshWindow(display,&windows->image,(XEvent *) NULL); text_info=annotate_info; while (text_info != (XAnnotateInfo *) NULL) { XDrawString(display,windows->image.id,annotate_context, text_info->x,text_info->y,text_info->text, strlen(text_info->text)); text_info=text_info->previous; } XDrawString(display,windows->image.id,annotate_context,x,y,"_",1); } break; } case KeyPress: { int length; if (event.xkey.window != windows->image.id) break; /* Respond to a user key press. */ length=XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); *(command+length)='\0'; if ((event.xkey.state & ControlMask) || (event.xkey.state & Mod1Mask)) state|=ModifierState; if (state & ModifierState) switch (key_symbol) { case XK_u: case XK_U: { key_symbol=XK_Delete; break; } default: break; } switch (key_symbol) { case XK_BackSpace: { /* Erase one character. */ if (p == annotate_info->text) if (annotate_info->previous == (XAnnotateInfo *) NULL) break; else { /* Go to end of the previous line of text. */ annotate_info=annotate_info->previous; p=annotate_info->text; x=annotate_info->x+annotate_info->width; y=annotate_info->y; if (annotate_info->width != 0) p+=strlen(annotate_info->text); break; } p--; x-=XTextWidth(font_info,p,1); text_event.xexpose.x=x; text_event.xexpose.y=y-font_info->max_bounds.ascent; XRefreshWindow(display,&windows->image,&text_event); break; } case XK_Delete: { /* Erase the entire line of text. */ while (p != annotate_info->text) { p--; x-=XTextWidth(font_info,p,1); text_event.xexpose.x=x; XRefreshWindow(display,&windows->image,&text_event); } break; } case XK_Escape: case XK_F20: { /* Finished annotating. */ annotate_info->width=XTextWidth(font_info,annotate_info->text, strlen(annotate_info->text)); XRefreshWindow(display,&windows->image,&text_event); state|=ExitState; break; } default: { /* Draw a single character on the Image window. */ if (state & ModifierState) break; if (*command == '\0') break; *p=(*command); XDrawString(display,windows->image.id,annotate_context,x,y,p,1); x+=XTextWidth(font_info,p,1); p++; if ((x+font_info->max_bounds.width) < windows->image.width) break; } case XK_Return: case XK_KP_Enter: { /* Advance to the next line of text. */ *p='\0'; annotate_info->width=XTextWidth(font_info,annotate_info->text, strlen(annotate_info->text)); if (annotate_info->next != (XAnnotateInfo *) NULL) { /* Line of text already exists. */ annotate_info=annotate_info->next; x=annotate_info->x; y=annotate_info->y; p=annotate_info->text; break; } annotate_info->next=(XAnnotateInfo *) malloc(sizeof(XAnnotateInfo)); if (annotate_info->next == (XAnnotateInfo *) NULL) return(False); *annotate_info->next=(*annotate_info); annotate_info->next->previous=annotate_info; annotate_info=annotate_info->next; annotate_info->text=(char *) malloc((windows->image.width/ Max(font_info->min_bounds.width,1)+2)*sizeof(char)); if (annotate_info->text == (char *) NULL) return(False); annotate_info->y+=annotate_info->height; if (annotate_info->y > windows->image.height) annotate_info->y=annotate_info->height; annotate_info->next=(XAnnotateInfo *) NULL; x=annotate_info->x; y=annotate_info->y; p=annotate_info->text; break; } } break; } case KeyRelease: { /* Respond to a user key release. */ (void) XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); state&=(~ModifierState); break; } case SelectionNotify: { Atom type; int format; unsigned char *data; unsigned long after, length; /* Obtain response from primary selection. */ if (event.xselection.property == (Atom) None) break; status=XGetWindowProperty(display,event.xselection.requestor, event.xselection.property,0L,2047L,True,XA_STRING,&type,&format, &length,&after,&data); if ((status != Success) || (type != XA_STRING) || (format == 32) || (length == 0)) break; /* Annotate Image window with primary selection. */ for (i=0; i < length; i++) { if (data[i] != '\n') { /* Draw a single character on the Image window. */ *p=data[i]; XDrawString(display,windows->image.id,annotate_context,x,y,p,1); x+=XTextWidth(font_info,p,1); p++; if ((x+font_info->max_bounds.width) < windows->image.width) continue; } /* Advance to the next line of text. */ *p='\0'; annotate_info->width=XTextWidth(font_info,annotate_info->text, strlen(annotate_info->text)); if (annotate_info->next != (XAnnotateInfo *) NULL) { /* Line of text already exists. */ annotate_info=annotate_info->next; x=annotate_info->x; y=annotate_info->y; p=annotate_info->text; continue; } annotate_info->next=(XAnnotateInfo *) malloc(sizeof(XAnnotateInfo)); if (annotate_info->next == (XAnnotateInfo *) NULL) return(False); *annotate_info->next=(*annotate_info); annotate_info->next->previous=annotate_info; annotate_info=annotate_info->next; annotate_info->text=(char *) malloc((windows->image.width/ Max(font_info->min_bounds.width,1)+2)*sizeof(char)); if (annotate_info->text == (char *) NULL) return(False); annotate_info->y+=annotate_info->height; if (annotate_info->y > windows->image.height) annotate_info->y=annotate_info->height; annotate_info->next=(XAnnotateInfo *) NULL; x=annotate_info->x; y=annotate_info->y; p=annotate_info->text; } XFree((void *) data); break; } default: break; } } while (!(state & ExitState)); XFreeCursor(display,cursor); /* Annotation is relative to image configuration. */ x=0; y=0; width=image->columns; height=image->rows; if (windows->image.crop_geometry != (char *) NULL) (void) XParseGeometry(windows->image.crop_geometry,&x,&y,&width,&height); /* Initialize annotated image. */ XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); while (annotate_info != (XAnnotateInfo *) NULL) { if (annotate_info->width == 0) { /* No text on this line-- go to the next line of text. */ previous_info=annotate_info->previous; free((char *) annotate_info->text); free((char *) annotate_info); annotate_info=previous_info; continue; } /* Determine foreground pixel index for font color. */ windows->image.pixel_info->annotate_color= windows->image.pixel_info->pen_color[pen_id]; windows->image.pixel_info->annotate_index=0; if (windows->image.pixel_info->colors != 0) for (i=0; i < windows->image.pixel_info->colors; i++) if (windows->image.pixel_info->pixels[i] == windows->image.pixel_info->pen_color[pen_id].pixel) { windows->image.pixel_info->annotate_index=i; break; } /* Define the annotate geometry string. */ x_factor=UpShift(width)/windows->image.ximage->width; annotate_info->x+=windows->image.x; annotate_info->x=DownShift(annotate_info->x*x_factor); y_factor=UpShift(height)/windows->image.ximage->height; annotate_info->y+=(windows->image.y-font_info->ascent); annotate_info->y=DownShift(annotate_info->y*y_factor); (void) sprintf(annotate_info->geometry,"%ux%u%+d%+d", (unsigned int) DownShift(annotate_info->width*x_factor), (unsigned int) DownShift(annotate_info->height*y_factor), annotate_info->x+x,annotate_info->y+y); /* Annotate image with text. */ status=XAnnotateImage(display,windows->image.pixel_info,annotate_info, False,image); if (status == 0) return(False); /* Free up memory. */ previous_info=annotate_info->previous; free((char *) annotate_info->text); free((char *) annotate_info); annotate_info=previous_info; } XSetForeground(display,annotate_context, windows->image.pixel_info->foreground_color.pixel); XSetFont(display,annotate_context,windows->image.font_info->fid); XSetCursorState(display,windows,False); XFreeFont(display,font_info); /* Update image configuration. */ XConfigureImageColormap(display,resource_info,windows,image); (void) XConfigureImage(display,resource_info,windows,image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X B a c k g r o u n d I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XBackgroundImage displays the image in the background of a window. % % The format of the XBackgroundImage routine is: % % status=XBackgroundImage(display,resource_info,windows,image) % % A description of each parameter follows: % % o status: Function XBackgroundImage return True if the image is % printed. False is returned is there is a memory shortage or if the % image fails to print. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o windows: Specifies a pointer to a XWindows structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % */ static unsigned int XBackgroundImage(display,resource_info,windows,image) Display *display; XResourceInfo *resource_info; XWindows *windows; Image **image; { #define BackgroundImageText " Backgrounding the image... " static char window_id[MaxTextLength] = "root"; XResourceInfo background_resources; unsigned int status; /* Put image in background. */ XDialogWidget(display,windows,"Background", "Enter window id (id 0x00 selects window with pointer):",window_id); if (*window_id == '\0') return(False); (void) XMagickCommand(display,resource_info,windows,0,(KeySym) XK_A,image); XInfoWidget(display,windows,BackgroundImageText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); background_resources=(*resource_info); background_resources.window_id=window_id; background_resources.backdrop=True; if (window_id[strlen(window_id)-1] == '!') { window_id[strlen(window_id)-1]='\0'; background_resources.backdrop=False; } status=XDisplayBackgroundImage(display,&background_resources,*image); if (status) XClientMessage(display,windows->image.id,windows->im_protocols, windows->im_retain_colors,CurrentTime); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); (void) XMagickCommand(display,resource_info,windows,0,(KeySym) XK_u,image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X C h o p I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XChopImage chops the X image. % % The format of the XChopImage routine is: % % status=XChopImage(display,resource_info,windows,image) % % A description of each parameter follows: % % o status: Function XChopImage return True if the image is % cut. False is returned is there is a memory shortage or if the % image fails to cut. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o windows: Specifies a pointer to a XWindows structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % */ static unsigned int XChopImage(display,resource_info,windows,image) Display *display; XResourceInfo *resource_info; XWindows *windows; Image **image; { #define ChopImageText " Chopping image... " #define ChopModeDirectionOp 0 #define ChopModeHelpOp 1 #define ChopModeDismissOp 2 #define HorizontalChopOp 0 #define VerticalChopOp 1 static char *ChopModeMenu[]= { "Direction", "Help", "Dismiss", (char *) NULL }; char text[MaxTextLength]; Image *chop_image; int id, x, y; RectangleInfo chop_info; static unsigned int direction = HorizontalChopOp; unsigned int distance, height, width; unsigned long scale_factor, state; XEvent event; XSegment segment_info; /* Map Command widget. */ windows->command.name="Chop"; windows->command.data=1; (void) XCommandWidget(display,windows,ChopModeMenu,(XEvent *) NULL); XMapRaised(display,windows->command.id); XClientMessage(display,windows->image.id,windows->im_protocols, windows->im_update_widget,CurrentTime); /* Track pointer until button 1 is pressed. */ XQueryPosition(display,windows->image.id,&x,&y); XSelectInput(display,windows->image.id,windows->image.attributes.event_mask | PointerMotionMask); state=DefaultState; do { if (windows->info.mapped) { /* Display pointer position. */ (void) sprintf(text," %+d%+d ",x-windows->image.x,y-windows->image.y); XInfoWidget(display,windows,text); } /* Wait for next event. */ XIfEvent(display,&event,XScreenEvent,(char *) windows); if (event.xany.window == windows->command.id) { /* Select a command from the Command widget. */ id=XCommandWidget(display,windows,ChopModeMenu,&event); if (id < 0) continue; switch (id) { case ChopModeDirectionOp: { char command[MaxTextLength]; static char *Directions[]= { "horizontal", "vertical", (char *) NULL, }; /* Select a command from the pop-up menu. */ direction= XMenuWidget(display,windows,ChopModeMenu[id],Directions,command); break; } case ChopModeHelpOp: { XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Chopping",ImageChopHelp); break; } case ChopModeDismissOp: { /* Prematurely exit. */ state|=EscapeState; state|=ExitState; break; } default: break; } continue; } switch (event.type) { case ButtonPress: { if (event.xbutton.window == windows->pan.id) { XPanImage(display,windows,&event); XInfoWidget(display,windows,text); break; } /* User has committed to start point of chopting line. */ segment_info.x1=event.xbutton.x; segment_info.x2=event.xbutton.x; segment_info.y1=event.xbutton.y; segment_info.y2=event.xbutton.y; state|=ExitState; break; } case ButtonRelease: break; case Expose: break; case KeyPress: { char command[MaxTextLength]; KeySym key_symbol; if (event.xkey.window != windows->image.id) break; /* Respond to a user key press. */ (void) XLookupString((XKeyEvent *) &event.xkey,command, sizeof(command),&key_symbol,(XComposeStatus *) NULL); switch (key_symbol) { case XK_Escape: case XK_F20: { /* Prematurely exit. */ state|=EscapeState; state|=ExitState; break; } case XK_F1: case XK_Help: { XSetFunction(display,windows->image.highlight_context,GXcopy); XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Chopping",ImageChopHelp); XSetFunction(display,windows->image.highlight_context,GXinvert); break; } default: { XBell(display,0); break; } } break; } case MotionNotify: { /* Discard pending pointer motion events. */ while (XCheckMaskEvent(display,PointerMotionMask,&event)); x=event.xmotion.x; y=event.xmotion.y; /* Map and unmap Info widget as text cursor crosses its boundaries. */ if (windows->info.mapped) { if ((x < (windows->info.x+windows->info.width)) && (y < (windows->info.y+windows->info.height))) XWithdrawWindow(display,windows->info.id,windows->info.screen); } else if ((x > (windows->info.x+windows->info.width)) || (y > (windows->info.y+windows->info.height))) XMapWindow(display,windows->info.id); } } } while (!(state & ExitState)); XSelectInput(display,windows->image.id,windows->image.attributes.event_mask); XWithdrawWindow(display,windows->info.id,windows->info.screen); if (state & EscapeState) return(True); /* Draw line as pointer moves until the mouse button is released. */ chop_info.width=0; chop_info.height=0; chop_info.x=0; chop_info.y=0; distance=0; XSetFunction(display,windows->image.highlight_context,GXinvert); state=DefaultState; do { if (distance > 9) { /* Display info and draw chopping line. */ if (!windows->info.mapped) XMapWindow(display,windows->info.id); (void) sprintf(text," %ux%u%+d%+d",chop_info.width,chop_info.height, chop_info.x,chop_info.y); XInfoWidget(display,windows,text); XHighlightLine(display,windows->image.id, windows->image.highlight_context,&segment_info); } else if (windows->info.mapped) XWithdrawWindow(display,windows->info.id,windows->info.screen); /* Wait for next event. */ XIfEvent(display,&event,XScreenEvent,(char *) windows); if (distance > 9) XHighlightLine(display,windows->image.id, windows->image.highlight_context,&segment_info); switch (event.type) { case ButtonPress: { segment_info.x2=event.xmotion.x; segment_info.y2=event.xmotion.y; break; } case ButtonRelease: { /* User has committed to chopping line. */ segment_info.x2=event.xbutton.x; segment_info.y2=event.xbutton.y; state|=ExitState; break; } case Expose: break; case MotionNotify: { /* Discard pending button motion events. */ while (XCheckMaskEvent(display,ButtonMotionMask,&event)); segment_info.x2=event.xmotion.x; segment_info.y2=event.xmotion.y; } default: break; } /* Check boundary conditions. */ if (segment_info.x2 < 0) segment_info.x2=0; else if (segment_info.x2 > windows->image.ximage->width) segment_info.x2=windows->image.ximage->width; if (segment_info.y2 < 0) segment_info.y2=0; else if (segment_info.y2 > windows->image.ximage->height) segment_info.y2=windows->image.ximage->height; distance= ((segment_info.x2-segment_info.x1)*(segment_info.x2-segment_info.x1))+ ((segment_info.y2-segment_info.y1)*(segment_info.y2-segment_info.y1)); /* Compute chopping geometry. */ if (direction == HorizontalChopOp) { chop_info.width=segment_info.x2-segment_info.x1+1; chop_info.x=windows->image.x+segment_info.x1; chop_info.height=0; chop_info.y=0; if (segment_info.x1 > segment_info.x2) { chop_info.width=segment_info.x1-segment_info.x2+1; chop_info.x=windows->image.x+segment_info.x2; } } else { chop_info.width=0; chop_info.height=segment_info.y2-segment_info.y1+1; chop_info.x=0; chop_info.y=windows->image.y+segment_info.y1; if (segment_info.y1 > segment_info.y2) { chop_info.height=segment_info.y1-segment_info.y2+1; chop_info.y=windows->image.y+segment_info.y2; } } } while (!(state & ExitState)); XSetFunction(display,windows->image.highlight_context,GXcopy); XWithdrawWindow(display,windows->info.id,windows->info.screen); if (distance <= 9) return(True); /* Image chopping is relative to image configuration. */ (void) XMagickCommand(display,resource_info,windows,0,(KeySym) XK_A,image); XInfoWidget(display,windows,ChopImageText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); windows->image.window_changes.width= windows->image.ximage->width-chop_info.width; windows->image.window_changes.height= windows->image.ximage->height-chop_info.height; x=0; y=0; width=(*image)->columns; height=(*image)->rows; if (windows->image.crop_geometry != (char *) NULL) (void) XParseGeometry(windows->image.crop_geometry,&x,&y,&width,&height); scale_factor=UpShift(width)/windows->image.ximage->width; chop_info.x+=x; chop_info.x=DownShift(chop_info.x*scale_factor); chop_info.width=DownShift(chop_info.width*scale_factor); scale_factor=UpShift(height)/windows->image.ximage->height; chop_info.y+=y; chop_info.y=DownShift(chop_info.y*scale_factor); chop_info.height=DownShift(chop_info.height*scale_factor); /* Chop image. */ chop_image=ChopImage(*image,&chop_info); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); if (chop_image == (Image *) NULL) return(False); DestroyImage(*image); *image=chop_image; /* Update image configuration. */ XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X C o l o r E d i t I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XColorEditImage allows the user to interactively change % the color of one pixel for a DirectColor image or one colormap entry for % a PseudoClass image. The floodfill algorithm is strongly based on a % similiar algorithm in "Graphics Gems" by Paul Heckbert. % % The format of the XColorEditImage routine is: % % XColorEditImage(display,resource_info,windows,image) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o windows: Specifies a pointer to a XWindows structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % */ static void ColorFloodfill(image,x,y,color) Image *image; int x, y; XColor color; { int delta, skip, start, x1, x2; register RunlengthPacket *pixel; register XSegment *p; RunlengthPacket target; XSegment *segment_stack; /* Check boundary conditions. */ if ((y < 0) || (y >= image->rows)) return; if ((x < 0) || (x >= image->columns)) return; target=image->pixels[y*image->columns+x]; if ((target.red == XDownScale(color.red)) && (target.green == XDownScale(color.green)) && (target.blue == XDownScale(color.blue))) return; /* Allocate segment stack. */ segment_stack=(XSegment *) malloc(MaxStacksize*sizeof(XSegment)); if (segment_stack == (XSegment *) NULL) { Warning("Unable to recolor image","Memory allocation failed"); return; } /* Push initial segment on stack. */ start=0; p=segment_stack; Push(y,x,x,1); Push(y+1,x,x,-1); while (p > segment_stack) { /* Pop segment off stack. */ p--; x1=p->x1; x2=p->x2; delta=p->y2; y=p->y1+delta; /* Recolor neighboring pixels. */ for (x=x1; x >= 0 ; x--) { pixel=image->pixels+(y*image->columns+x); if ((pixel->red != target.red) || (pixel->green != target.green) || (pixel->blue != target.blue)) break; pixel->red=XDownScale(color.red); pixel->green=XDownScale(color.green); pixel->blue=XDownScale(color.blue); } skip=x >= x1; if (!skip) { start=x+1; if (start < x1) Push(y,start,x1-1,-delta); x=x1+1; } do { if (!skip) { for ( ; x < image->columns; x++) { pixel=image->pixels+(y*image->columns+x); if ((pixel->red != target.red) || (pixel->green != target.green) || (pixel->blue != target.blue)) break; pixel->red=XDownScale(color.red); pixel->green=XDownScale(color.green); pixel->blue=XDownScale(color.blue); } Push(y,start,x-1,delta); if (x > (x2+1)) Push(y,x2+1,x-1,-delta); } skip=False; for (x++; x <= x2 ; x++) { pixel=image->pixels+(y*image->columns+x); if ((pixel->red == target.red) && (pixel->green == target.green) && (pixel->blue == target.blue)) break; } start=x; } while (x <= x2); } free((char *) segment_stack); } static unsigned int XColorEditImage(display,resource_info,windows,image) Display *display; XResourceInfo *resource_info; XWindows *windows; Image **image; { #define ColorEditColorOp 0 #define ColorEditMethodOp 1 #define ColorEditUndoOp 2 #define ColorEditHelpOp 3 #define ColorEditDismissOp 4 static char *ColorEditMenu[]= { "Pixel Color", "Method", "Undo", "Help", "Dismiss", (char *) NULL }; char text[MaxTextLength]; Cursor cursor; int id, x, x_offset, y, y_offset; register int i; register RunlengthPacket *p; static unsigned int method = PointMethodOp, pen_id = 0; unsigned int height, status, width; unsigned long state, x_factor, y_factor; XColor color; XEvent event; /* Map Command widget. */ windows->command.name="Color Edit"; windows->command.data=2; (void) XCommandWidget(display,windows,ColorEditMenu,(XEvent *) NULL); XMapRaised(display,windows->command.id); XClientMessage(display,windows->image.id,windows->im_protocols, windows->im_update_widget,CurrentTime); /* Make cursor. */ cursor=XMakeCursor(display,windows->image.id, windows->image.map_info->colormap,resource_info->background_color, resource_info->foreground_color); XDefineCursor(display,windows->image.id,cursor); /* Track pointer until button 1 is pressed. */ XQueryPosition(display,windows->image.id,&x,&y); XSelectInput(display,windows->image.id,windows->image.attributes.event_mask | PointerMotionMask); state=DefaultState; do { if (windows->info.mapped) { /* Display pointer position. */ (void) sprintf(text," %+d%+d ",x-windows->image.x,y-windows->image.y); XInfoWidget(display,windows,text); } /* Wait for next event. */ XIfEvent(display,&event,XScreenEvent,(char *) windows); if (event.xany.window == windows->command.id) { /* Select a command from the Command widget. */ id=XCommandWidget(display,windows,ColorEditMenu,&event); if (id < 0) continue; switch (id) { case ColorEditColorOp: { char color_name[MaxTextLength], *ColorMenu[MaxNumberPens+1]; int pen_number; /* Initialize menu selections. */ for (i=0; i < MaxNumberPens; i++) ColorMenu[i]=resource_info->pen_color[i]; ColorMenu[MaxNumberPens-1]="Browser..."; ColorMenu[MaxNumberPens]=(char *) NULL; /* Select a pen color from the pop-up menu. */ pen_number=XMenuWidget(display,windows,ColorEditMenu[id],ColorMenu, color_name); if (pen_number == (MaxNumberPens-1)) { static char color_name[MaxTextLength]="gray"; /* Select a pen color from a dialog. */ resource_info->pen_color[MaxNumberPens-1]=color_name; XColorBrowserWidget(display,windows,"Select",color_name); if (*color_name == '\0') break; } if (pen_number >= 0) { /* Set pen color. */ pen_id=pen_number; (void) strcpy(color_name,resource_info->pen_color[pen_id]); status=XParseColor(display,windows->image.map_info->colormap, color_name,&windows->image.pixel_info->pen_color[pen_id]); if (status == 0) XNoticeWidget(display,windows,"Color is unknown to X server:", color_name); XBestPixel(display,windows->image.map_info->colormap, (XColor *) NULL,(unsigned int) Min(windows->image.visual_info->colormap_size,256), &windows->image.pixel_info->pen_color[pen_id]); } XDefineCursor(display,windows->image.id,cursor); break; } case ColorEditMethodOp: { char command[MaxTextLength]; static char *MethodMenu[]= { "point", "replace", "floodfill", "reset", (char *) NULL, }; /* Select a method from the pop-up menu. */ method= XMenuWidget(display,windows,ColorEditMenu[id],MethodMenu,command); XDefineCursor(display,windows->image.id,cursor); break; } case ColorEditUndoOp: { (void) XMagickCommand(display,resource_info,windows,0, (KeySym) XK_u,image); break; } case ColorEditHelpOp: { XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Annotation",ImageColorEditHelp); break; } case ColorEditDismissOp: { /* Prematurely exit. */ state|=EscapeState; state|=ExitState; break; } } continue; } switch (event.type) { case ButtonPress: { if (event.xbutton.window == windows->pan.id) { XPanImage(display,windows,&event); XInfoWidget(display,windows,text); break; } /* Exit loop. */ x=event.xbutton.x; y=event.xbutton.y; (void) XMagickCommand(display,resource_info,windows,0, (KeySym) XK_Select,image); state|=UpdateConfigurationState; break; } case ButtonRelease: { /* Update colormap information. */ x=event.xbutton.x; y=event.xbutton.y; XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); XInfoWidget(display,windows,text); XDefineCursor(display,windows->image.id,cursor); state&=(~UpdateConfigurationState); break; } case Expose: break; case KeyPress: { char command[MaxTextLength]; KeySym key_symbol; if (event.xkey.window != windows->image.id) break; /* Respond to a user key press. */ (void) XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); switch (key_symbol) { case XK_Escape: case XK_F20: { /* Prematurely exit. */ state|=ExitState; break; } case XK_F1: case XK_Help: { XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Annotation",ImageColorEditHelp); break; } default: { XBell(display,0); break; } } break; } case MotionNotify: { /* Discard pending pointer motion events. */ while (XCheckMaskEvent(display,PointerMotionMask,&event)); x=event.xmotion.x; y=event.xmotion.y; /* Map and unmap Info widget as cursor crosses its boundaries. */ if (windows->info.mapped) { if ((x < (windows->info.x+windows->info.width)) && (y < (windows->info.y+windows->info.height))) XWithdrawWindow(display,windows->info.id,windows->info.screen); } else if ((x > (windows->info.x+windows->info.width)) || (y > (windows->info.y+windows->info.height))) XMapWindow(display,windows->info.id); break; } default: break; } x_offset=x; y_offset=y; if (state & UpdateConfigurationState) { int x, y; /* Pixel edit is relative to image configuration. */ XClearArea(display,windows->image.id,x_offset,y_offset,1,1,True); x=0; y=0; width=(*image)->columns; height=(*image)->rows; if (windows->image.crop_geometry != (char *) NULL) (void) XParseGeometry(windows->image.crop_geometry,&x,&y,&width, &height); x_factor=UpShift(width)/windows->image.ximage->width; x_offset=DownShift((windows->image.x+x_offset)*x_factor)+x; y_factor=UpShift(height)/windows->image.ximage->height; y_offset=DownShift((windows->image.y+y_offset)*y_factor)+y; color=windows->image.pixel_info->pen_color[pen_id]; if ((x_offset < 0) || (y_offset < 0)) continue; if ((x_offset >= (*image)->columns) || (y_offset >= (*image)->rows)) continue; XPutPixel(windows->image.ximage,x_offset,y_offset,color.pixel); switch (method) { case PointMethodOp: default: { /* Update color information using point algorithm. */ (*image)->class=DirectClass; if (!UncompressImage(*image)) break; p=(*image)->pixels+(y_offset*(*image)->columns+x_offset); p->red=XDownScale(color.red); p->green=XDownScale(color.green); p->blue=XDownScale(color.blue); break; } case ReplaceMethodOp: { RunlengthPacket target; /* Update color information using replace algorithm. */ x=0; p=(*image)->pixels; for (i=0; i < (*image)->packets; i++) { x+=(p->length+1); if (x >= (y_offset*(*image)->columns+x_offset)) break; p++; } target=(*image)->pixels[i]; if ((*image)->class == DirectClass) { p=(*image)->pixels; for (i=0; i < (*image)->packets; i++) { if ((p->red == target.red) && (p->green == target.green) && (p->blue == target.blue)) { p->red=XDownScale(color.red); p->green=XDownScale(color.green); p->blue=XDownScale(color.blue); } p++; } } else { register unsigned short index; index=target.index; (*image)->colormap[index].red=XDownScale(color.red); (*image)->colormap[index].green=XDownScale(color.green); (*image)->colormap[index].blue=XDownScale(color.blue); SyncImage(*image); } state&=(~UpdateConfigurationState); break; } case FloodfillMethodOp: { /* Update color information using floodfill algorithm. */ (*image)->class=DirectClass; if (!UncompressImage(*image)) break; ColorFloodfill(*image,x_offset,y_offset,color); state&=(~UpdateConfigurationState); break; } case ResetMethodOp: { /* Update color information using reset algorithm. */ (*image)->class=DirectClass; p=(*image)->pixels; for (i=0; i < (*image)->packets; i++) { p->red=XDownScale(color.red); p->green=XDownScale(color.green); p->blue=XDownScale(color.blue); p++; } state&=(~UpdateConfigurationState); break; } } } } while (!(state & ExitState)); XSelectInput(display,windows->image.id,windows->image.attributes.event_mask); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); XFreeCursor(display,cursor); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X C o m p o s i t e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XCompositeImage requests an image name from the user, reads % the image and composites it with the X window image at a location the user % chooses with the pointer. % % The format of the XCompositeImage routine is: % % status=XCompositeImage(display,resource_info,windows,image) % % A description of each parameter follows: % % o status: Function XCompositeImage returns True if the image is % composited. False is returned is there is a memory shortage or if the % image fails to be composited. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o windows: Specifies a pointer to a XWindows structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % */ static unsigned int XCompositeImage(display,resource_info,windows,image) Display *display; XResourceInfo *resource_info; XWindows *windows; Image *image; { #define CompositeModeOperatorsOp 0 #define CompositeModeBlendOp 1 #define CompositeModeHelpOp 2 #define CompositeModeDismissOp 3 static char *CompositeModeMenu[]= { "Operators", "Blend", "Help", "Dismiss", (char *) NULL }, filename[MaxTextLength] = "\0"; char text[MaxTextLength]; Cursor cursor; double blend; Image *composite_image; int id, x, y; RectangleInfo highlight_info, composite_info; static unsigned int operator = ReplaceCompositeOp; unsigned int height, width; unsigned long scale_factor, state; XEvent event; /* Request image file name from user. */ XFileBrowserWidget(display,windows,"Composite",filename); if (*filename == '\0') return(True); /* Read image. */ XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); (void) strcpy(resource_info->image_info->filename,filename); composite_image=ReadImage(resource_info->image_info); XSetCursorState(display,windows,False); if (composite_image == (Image *) NULL) { XNoticeWidget(display,windows,"Unable to read image:",filename); return(False); } /* Map Command widget. */ windows->command.name="Composite"; windows->command.data=1; (void) XCommandWidget(display,windows,CompositeModeMenu,(XEvent *) NULL); XMapRaised(display,windows->command.id); XClientMessage(display,windows->image.id,windows->im_protocols, windows->im_update_widget,CurrentTime); /* Track pointer until button 1 is pressed. */ XQueryPosition(display,windows->image.id,&x,&y); composite_info.x=windows->image.x+x; composite_info.y=windows->image.y+y; composite_info.width=0; composite_info.height=0; XSelectInput(display,windows->image.id,windows->image.attributes.event_mask | PointerMotionMask); cursor=XCreateFontCursor(display,XC_ul_angle); XSetFunction(display,windows->image.highlight_context,GXinvert); blend=0.0; state=DefaultState; do { if (windows->info.mapped) { /* Display pointer position. */ (void) sprintf(text," %+d%+d ",composite_info.x,composite_info.y); XInfoWidget(display,windows,text); } highlight_info=composite_info; highlight_info.x=composite_info.x-windows->image.x; highlight_info.y=composite_info.y-windows->image.y; XHighlightRegion(display,windows->image.id,windows->image.highlight_context, &highlight_info); /* Wait for next event. */ XIfEvent(display,&event,XScreenEvent,(char *) windows); XHighlightRegion(display,windows->image.id,windows->image.highlight_context, &highlight_info); if (event.xany.window == windows->command.id) { /* Select a command from the Command widget. */ id=XCommandWidget(display,windows,CompositeModeMenu,&event); if (id < 0) continue; switch (id) { case CompositeModeOperatorsOp: { char command[MaxTextLength]; static char *OperatorMenu[]= { "over", "in", "out", "atop", "xor", "plus", "minus", "add", "subtract", "difference", "replace", (char *) NULL, }; /* Select a command from the pop-up menu. */ operator=XMenuWidget(display,windows,CompositeModeMenu[id], OperatorMenu,command)+1; break; } case CompositeModeBlendOp: { static char factor[MaxTextLength] = "20.0"; /* Blend the two images a given percent. */ XSetFunction(display,windows->image.highlight_context,GXcopy); XDialogWidget(display,windows,"Blend", "Enter the blend factor (0.0 - 99.9%):",factor); XSetFunction(display,windows->image.highlight_context,GXinvert); if (*factor == '\0') break; blend=atof(factor); break; } case CompositeModeHelpOp: { XSetFunction(display,windows->image.highlight_context,GXcopy); XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Compositing",ImageCompositeHelp); XSetFunction(display,windows->image.highlight_context,GXinvert); break; } case CompositeModeDismissOp: { /* Prematurely exit. */ state|=EscapeState; state|=ExitState; break; } default: break; } continue; } switch (event.type) { case ButtonPress: { if (resource_info->debug) (void) fprintf(stderr,"Button Press: 0x%lx %u +%d+%d\n", event.xbutton.window,event.xbutton.button,event.xbutton.x, event.xbutton.y); if (event.xbutton.window == windows->pan.id) { XPanImage(display,windows,&event); XInfoWidget(display,windows,text); break; } /* Change cursor. */ composite_info.width=composite_image->columns; composite_info.height=composite_image->rows; XDefineCursor(display,windows->image.id,cursor); composite_info.x=windows->image.x+event.xbutton.x; composite_info.y=windows->image.y+event.xbutton.y; break; } case ButtonRelease: { if (resource_info->debug) (void) fprintf(stderr,"Button Release: 0x%lx %u +%d+%d\n", event.xbutton.window,event.xbutton.button,event.xbutton.x, event.xbutton.y); if ((composite_info.width != 0) && (composite_info.height != 0)) { /* User has selected the location of the composite image. */ composite_info.x=windows->image.x+event.xbutton.x; composite_info.y=windows->image.y+event.xbutton.y; state|=ExitState; } break; } case Expose: break; case KeyPress: { char command[MaxTextLength]; KeySym key_symbol; int length; if (event.xkey.window != windows->image.id) break; /* Respond to a user key press. */ length=XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); *(command+length)='\0'; if (resource_info->debug) (void) fprintf(stderr,"Key press: 0x%lx (%s)\n",key_symbol,command); switch (key_symbol) { case XK_Escape: case XK_F20: { /* Prematurely exit. */ DestroyImage(composite_image); state|=EscapeState; state|=ExitState; break; } case XK_F1: case XK_Help: { XSetFunction(display,windows->image.highlight_context,GXcopy); XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Compositing",ImageCompositeHelp); XSetFunction(display,windows->image.highlight_context,GXinvert); break; } default: { XBell(display,0); break; } } break; } case MotionNotify: { /* Discard pending pointer motion events. */ while (XCheckMaskEvent(display,PointerMotionMask,&event)); x=event.xmotion.x; y=event.xmotion.y; /* Map and unmap Info widget as text cursor crosses its boundaries. */ if (windows->info.mapped) { if ((x < (windows->info.x+windows->info.width)) && (y < (windows->info.y+windows->info.height))) XWithdrawWindow(display,windows->info.id,windows->info.screen); } else if ((x > (windows->info.x+windows->info.width)) || (y > (windows->info.y+windows->info.height))) XMapWindow(display,windows->info.id); composite_info.x=windows->image.x+x; composite_info.y=windows->image.y+y; break; } default: { if (resource_info->debug) (void) fprintf(stderr,"Event type: %d\n",event.type); break; } } } while (!(state & ExitState)); XSetFunction(display,windows->image.highlight_context,GXcopy); XSelectInput(display,windows->image.id,windows->image.attributes.event_mask); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); XFreeCursor(display,cursor); if (state & EscapeState) return(True); /* Image compositing is relative to image configuration. */ XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); x=0; y=0; width=image->columns; height=image->rows; if (windows->image.crop_geometry != (char *) NULL) (void) XParseGeometry(windows->image.crop_geometry,&x,&y,&width,&height); scale_factor=UpShift(width)/windows->image.ximage->width; composite_info.x+=x; composite_info.x=DownShift(composite_info.x*scale_factor); composite_info.width=DownShift(composite_info.width*scale_factor); scale_factor=UpShift(height)/windows->image.ximage->height; composite_info.y+=y; composite_info.y=DownShift(composite_info.y*scale_factor); composite_info.height=DownShift(composite_info.height*scale_factor); if ((composite_info.width != composite_image->columns) || (composite_info.height != composite_image->rows)) { Image *scaled_image; /* Scale composite image. */ scaled_image= ScaleImage(composite_image,composite_info.width,composite_info.height); DestroyImage(composite_image); if (scaled_image == (Image *) NULL) { XSetCursorState(display,windows,False); return(False); } composite_image=scaled_image; } if (blend != 0.0) { register int i; register RunlengthPacket *p; unsigned short index; /* Create mattes for blending. */ index=((int) DownScale(MaxRGB)*blend)/100; composite_image->class=DirectClass; composite_image->matte=True; p=composite_image->pixels; for (i=0; i < composite_image->packets; i++) { p->index=index; p++; } index=(int) DownScale(MaxRGB)-((int) DownScale(MaxRGB)*blend)/100; image->class=DirectClass; image->matte=True; p=image->pixels; for (i=0; i < image->packets; i++) { p->index=index; p++; } operator=BlendCompositeOp; } /* Composite image with X Image window. */ CompositeImage(image,operator,composite_image,composite_info.x, composite_info.y); DestroyImage(composite_image); XSetCursorState(display,windows,False); /* Update image configuration. */ XConfigureImageColormap(display,resource_info,windows,image); (void) XConfigureImage(display,resource_info,windows,image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X C o n f i g u r e I m a g e C o l o r m a p % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XConfigureImageColormap creates a new X colormap. % % The format of the XConfigureImageColormap routine is: % % XConfigureImageColormap(display,resource_info,windows,image) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o windows: Specifies a pointer to a XWindows structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % */ static void XConfigureImageColormap(display,resource_info,windows,image) Display *display; XResourceInfo *resource_info; XWindows *windows; Image *image; { #define ConfigureColormapText " Configuring colormap... " Colormap colormap; /* Make standard colormap. */ XInfoWidget(display,windows,ConfigureColormapText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); if (image->packets == (image->columns*image->rows)) CompressImage(image); XMakeStandardColormap(display,windows->image.visual_info,resource_info, image,windows->image.map_info,windows->image.pixel_info); colormap=windows->image.map_info->colormap; XSetWindowColormap(display,windows->image.id,colormap); XSetWindowColormap(display,windows->command.id,colormap); XSetWindowColormap(display,windows->widget.id,colormap); if (windows->magnify.mapped) XSetWindowColormap(display,windows->magnify.id,colormap); if (windows->pan.mapped) XSetWindowColormap(display,windows->pan.id,colormap); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); XClientMessage(display,windows->image.id,windows->im_protocols, windows->im_update_colormap,CurrentTime); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X C o n f i g u r e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XConfigureImage creates a new X image. It also notifies the % window manager of the new image size and configures the transient widows. % % The format of the XConfigureImage routine is: % % status=XConfigureImage(display,resource_info,windows,image) % % A description of each parameter follows: % % o status: Function XConfigureImage returns True if the window is % resized. False is returned is there is a memory shortage or if the % window fails to resize. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o windows: Specifies a pointer to a XWindows structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % */ static unsigned int XConfigureImage(display,resource_info,windows,image) Display *display; XResourceInfo *resource_info; XWindows *windows; Image *image; { #define ConfigureImageText " Configuring image... " unsigned int height, mask, status, width, x_factor, y_factor; XSizeHints *size_hints; XWindowChanges window_changes; /* Dismiss if window dimensions are zero. */ width=windows->image.window_changes.width; height=windows->image.window_changes.height; if (resource_info->debug) (void) fprintf(stderr,"Configure Image: %dx%d=>%ux%u\n", windows->image.ximage->width,windows->image.ximage->height,width,height); if ((width*height) == 0) return(True); /* Resize image to fit Image window dimensions. */ XInfoWidget(display,windows,ConfigureImageText); XSetCursorState(display,windows,True); XFlush(display); x_factor=UpShift(width)/windows->image.ximage->width; y_factor=UpShift(height)/windows->image.ximage->height; status=XMakeImage(display,resource_info,&windows->image,image,width,height); if (resource_info->use_pixmap) (void) XMakePixmap(display,resource_info,&windows->image); if (status == False) XNoticeWidget(display,windows,"Unable to configure X image:", windows->image.name); /* Notify window manager of the new configuration. */ if (width > XDisplayWidth(display,windows->image.screen)) width=XDisplayWidth(display,windows->image.screen); window_changes.width=width; if (height > XDisplayHeight(display,windows->image.screen)) height=XDisplayHeight(display,windows->image.screen); window_changes.height=height; mask=CWWidth | CWHeight; if (resource_info->backdrop) { mask|=CWX | CWY; window_changes.x= (XDisplayWidth(display,windows->image.screen) >> 1)-(width >> 1); window_changes.y= (XDisplayHeight(display,windows->image.screen) >> 1)-(height >> 1); } XReconfigureWMWindow(display,windows->image.id,windows->image.screen,mask, &window_changes); if (image->matte) XClearWindow(display,windows->image.id); if ((x_factor == UpShift(1)) || (y_factor == UpShift(1))) XRefreshWindow(display,&windows->image,(XEvent *) NULL); /* Update Magnify window configuration. */ windows->magnify.x=DownShift(x_factor*windows->magnify.x); windows->magnify.y=DownShift(y_factor*windows->magnify.y); if (windows->magnify.mapped) XMakeMagnifyImage(display,windows); /* Update pan window configuration. */ windows->image.x=DownShift(x_factor*windows->image.x); windows->image.y=DownShift(y_factor*windows->image.y); windows->pan.crop_geometry=windows->image.crop_geometry; XBestIconSize(display,&windows->pan,image); while ((windows->pan.width < MinPanSize) && (windows->pan.height < MinPanSize)) { windows->pan.width<<=1; windows->pan.height<<=1; } if (windows->pan.geometry != (char *) NULL) ParseImageGeometry(windows->pan.geometry,&windows->pan.width, &windows->pan.height); window_changes.width=windows->pan.width; window_changes.height=windows->pan.height; size_hints=XAllocSizeHints(); if (size_hints != (XSizeHints *) NULL) { /* Set new size hints. */ size_hints->flags=PSize | PMinSize | PMaxSize; size_hints->width=window_changes.width; size_hints->height=window_changes.height; size_hints->min_width=size_hints->width; size_hints->min_height=size_hints->height; size_hints->max_width=size_hints->width; size_hints->max_height=size_hints->height; XSetNormalHints(display,windows->pan.id,size_hints); XFree((void *) size_hints); } XReconfigureWMWindow(display,windows->pan.id,windows->pan.screen,CWWidth | CWHeight,&window_changes); if (windows->pan.mapped) XMakePanImage(display,resource_info,windows,image); /* Update icon window configuration. */ windows->icon.crop_geometry=windows->image.crop_geometry; XBestIconSize(display,&windows->icon,image); window_changes.width=windows->icon.width; window_changes.height=windows->icon.height; XReconfigureWMWindow(display,windows->icon.id,windows->icon.screen, CWWidth | CWHeight,&window_changes); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X C o p y I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XCopyImage copies the image or a region of the image. The image % can subsequently be composited onto the image with XPasteImage. % % The format of the XCopyImage routine is: % % status=XCopyImage(display,resource_info,windows,image) % % A description of each parameter follows: % % o status: Function XCopyImage returns True if the image is % copyped. False is returned is there is a memory shortage or if the % image fails to be copyped. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o windows: Specifies a pointer to a XWindows structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % */ static unsigned int XCopyImage(display,resource_info,windows,image) Display *display; XResourceInfo *resource_info; XWindows *windows; Image *image; { #define CopyImageText " Copying image... " #define CopyModeHelpOp 0 #define CopyModeDismissOp 1 #define RectifyModeCopyOp 0 #define RectifyModeHelpOp 1 #define RectifyModeDismissOp 2 static char *CopyModeMenu[]= { "Help", "Dismiss", (char *) NULL }, *RectifyModeMenu[]= { "Copy", "Help", "Dismiss", (char *) NULL }; char command[MaxTextLength], text[MaxTextLength]; Cursor cursor; int id, x, y; KeySym key_symbol; RectangleInfo copy_info, highlight_info; unsigned int height, width; unsigned long scale_factor, state; XEvent event; /* Map Command widget. */ windows->command.name="Copy"; windows->command.data=0; (void) XCommandWidget(display,windows,CopyModeMenu,(XEvent *) NULL); XMapRaised(display,windows->command.id); XClientMessage(display,windows->image.id,windows->im_protocols, windows->im_update_widget,CurrentTime); /* Track pointer until button 1 is pressed. */ XQueryPosition(display,windows->image.id,&x,&y); copy_info.x=windows->image.x+x; copy_info.y=windows->image.y+y; copy_info.width=0; copy_info.height=0; cursor=XCreateFontCursor(display,XC_fleur); XSelectInput(display,windows->image.id,windows->image.attributes.event_mask | PointerMotionMask); state=DefaultState; do { if (windows->info.mapped) { /* Display pointer position. */ (void) sprintf(text," %+d%+d ",copy_info.x,copy_info.y); XInfoWidget(display,windows,text); } /* Wait for next event. */ XIfEvent(display,&event,XScreenEvent,(char *) windows); if (event.xany.window == windows->command.id) { /* Select a command from the Command widget. */ id=XCommandWidget(display,windows,CopyModeMenu,&event); if (id < 0) continue; switch (id) { case CopyModeHelpOp: { XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Copying",ImageCopyHelp); break; } case CopyModeDismissOp: { /* Prematurely exit. */ state|=EscapeState; state|=ExitState; break; } default: break; } continue; } switch (event.type) { case ButtonPress: { if (event.xbutton.window == windows->pan.id) { XPanImage(display,windows,&event); XInfoWidget(display,windows,text); break; } if (event.xbutton.button == Button1) { /* Note first corner of copyping rectangle-- exit loop. */ XDefineCursor(display,windows->image.id,cursor); copy_info.x=windows->image.x+event.xbutton.x; copy_info.y=windows->image.y+event.xbutton.y; state|=ExitState; break; } break; } case Expose: break; case KeyPress: { if (event.xkey.window != windows->image.id) break; /* Respond to a user key press. */ (void) XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); switch (key_symbol) { case XK_Escape: case XK_F20: { /* Prematurely exit. */ state|=EscapeState; state|=ExitState; break; } case XK_F1: case XK_Help: { XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Copying",ImageCopyHelp); break; } default: { XBell(display,0); break; } } break; } case MotionNotify: { /* Discard pending pointer motion events. */ while (XCheckMaskEvent(display,PointerMotionMask,&event)); x=event.xmotion.x; y=event.xmotion.y; /* Map and unmap Info widget as text cursor crosses its boundaries. */ if (windows->info.mapped) { if ((x < (windows->info.x+windows->info.width)) && (y < (windows->info.y+windows->info.height))) XWithdrawWindow(display,windows->info.id,windows->info.screen); } else if ((x > (windows->info.x+windows->info.width)) || (y > (windows->info.y+windows->info.height))) XMapWindow(display,windows->info.id); copy_info.x=windows->image.x+x; copy_info.y=windows->image.y+y; break; } default: break; } } while (!(state & ExitState)); XSelectInput(display,windows->image.id,windows->image.attributes.event_mask); if (state & EscapeState) { /* User want to exit without copying. */ XWithdrawWindow(display,windows->info.id,windows->info.screen); XFreeCursor(display,cursor); return(True); } XSetFunction(display,windows->image.highlight_context,GXinvert); do { /* Size rectangle as pointer moves until the mouse button is released. */ x=copy_info.x; y=copy_info.y; copy_info.width=0; copy_info.height=0; state=DefaultState; XSelectInput(display,windows->image.id, windows->image.attributes.event_mask | PointerMotionMask); do { highlight_info=copy_info; highlight_info.x=copy_info.x-windows->image.x; highlight_info.y=copy_info.y-windows->image.y; if ((highlight_info.width > 3) && (highlight_info.height > 3)) { /* Display info and draw copyping rectangle. */ (void) sprintf(text," %ux%u%+d%+d",copy_info.width,copy_info.height, copy_info.x,copy_info.y); XInfoWidget(display,windows,text); XHighlightRegion(display,windows->image.id, windows->image.highlight_context,&highlight_info); } else if (windows->info.mapped) XWithdrawWindow(display,windows->info.id,windows->info.screen); /* Wait for next event. */ XIfEvent(display,&event,XScreenEvent,(char *) windows); if ((highlight_info.width > 3) && (highlight_info.height > 3)) XHighlightRegion(display,windows->image.id, windows->image.highlight_context,&highlight_info); if (event.xany.window == windows->command.id) { /* Select a command from the Command widget. */ id=XCommandWidget(display,windows,CopyModeMenu,&event); if (id < 0) continue; switch (id) { case CopyModeHelpOp: { XSetFunction(display,windows->image.highlight_context,GXcopy); XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Copying",ImageCopyHelp); XSetFunction(display,windows->image.highlight_context,GXinvert); break; } case CopyModeDismissOp: { /* Prematurely exit. */ state|=EscapeState; state|=ExitState; break; } default: break; } continue; } switch (event.type) { case ButtonPress: { if (event.xbutton.window == windows->pan.id) { XPanImage(display,windows,&event); XInfoWidget(display,windows,text); break; } copy_info.x=windows->image.x+event.xbutton.x; copy_info.y=windows->image.y+event.xbutton.y; break; } case ButtonRelease: { /* User has committed to copyping rectangle. */ copy_info.x=windows->image.x+event.xbutton.x; copy_info.y=windows->image.y+event.xbutton.y; XSetCursorState(display,windows,False); windows->command.name="Rectify"; windows->command.data=0; (void) XCommandWidget(display,windows,RectifyModeMenu, (XEvent *) NULL); state|=ExitState; break; } case Expose: break; case MotionNotify: { /* Discard pending button motion events. */ while (XCheckMaskEvent(display,ButtonMotionMask,&event)); copy_info.x=windows->image.x+event.xmotion.x; copy_info.y=windows->image.y+event.xmotion.y; } default: break; } if (((copy_info.x != x) && (copy_info.y != y)) || (state & ExitState)) { /* Check boundary conditions. */ if (copy_info.x < 0) copy_info.x=0; else if (copy_info.x > windows->image.ximage->width) copy_info.x=windows->image.ximage->width; if (copy_info.x < x) copy_info.width=(unsigned int) (x-copy_info.x); else { copy_info.width=(unsigned int) (copy_info.x-x); copy_info.x=x; } if (copy_info.y < 0) copy_info.y=0; else if (copy_info.y > windows->image.ximage->height) copy_info.y=windows->image.ximage->height; if (copy_info.y < y) copy_info.height=(unsigned int) (y-copy_info.y); else { copy_info.height=(unsigned int) (copy_info.y-y); copy_info.y=y; } } } while (!(state & ExitState)); XSelectInput(display,windows->image.id, windows->image.attributes.event_mask); XWithdrawWindow(display,windows->info.id,windows->info.screen); /* Wait for user to grab a corner of the rectangle or press return. */ state&=(~ExitState); do { if (windows->info.mapped) { /* Display pointer position. */ (void) sprintf(text," %+d%+d ",copy_info.x,copy_info.y); XInfoWidget(display,windows,text); } highlight_info=copy_info; highlight_info.x=copy_info.x-windows->image.x; highlight_info.y=copy_info.y-windows->image.y; if ((highlight_info.width <= 3) || (highlight_info.height <= 3)) { state|=EscapeState; state|=ExitState; break; } XHighlightRegion(display,windows->image.id, windows->image.highlight_context,&highlight_info); XIfEvent(display,&event,XScreenEvent,(char *) windows); XHighlightRegion(display,windows->image.id, windows->image.highlight_context,&highlight_info); if (event.xany.window == windows->command.id) { /* Select a command from the Command widget. */ id=XCommandWidget(display,windows,RectifyModeMenu,&event); if (id < 0) continue; switch (id) { case RectifyModeCopyOp: { state|=ExitState; break; } case RectifyModeHelpOp: { XSetFunction(display,windows->image.highlight_context,GXcopy); XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Copying",ImageCopyHelp); XSetFunction(display,windows->image.highlight_context,GXinvert); break; } case RectifyModeDismissOp: { /* Prematurely exit. */ state|=EscapeState; state|=ExitState; break; } default: break; } continue; } switch (event.type) { case ButtonPress: { if (event.xbutton.window == windows->pan.id) { XPanImage(display,windows,&event); XInfoWidget(display,windows,text); break; } if (event.xbutton.window != windows->image.id) break; x=windows->image.x+event.xbutton.x; y=windows->image.y+event.xbutton.y; if ((x < (copy_info.x+RoiDelta)) && (x > (copy_info.x-RoiDelta)) && (y < (copy_info.y+RoiDelta)) && (y > (copy_info.y-RoiDelta))) { copy_info.x=copy_info.x+copy_info.width; copy_info.y=copy_info.y+copy_info.height; state|=UpdateConfigurationState; break; } if ((x < (copy_info.x+RoiDelta)) && (x > (copy_info.x-RoiDelta)) && (y < (copy_info.y+copy_info.height+RoiDelta)) && (y > (copy_info.y+copy_info.height-RoiDelta))) { copy_info.x=copy_info.x+copy_info.width; state|=UpdateConfigurationState; break; } if ((x < (copy_info.x+copy_info.width+RoiDelta)) && (x > (copy_info.x+copy_info.width-RoiDelta)) && (y < (copy_info.y+RoiDelta)) && (y > (copy_info.y-RoiDelta))) { copy_info.y=copy_info.y+copy_info.height; state|=UpdateConfigurationState; break; } if ((x < (copy_info.x+copy_info.width+RoiDelta)) && (x > (copy_info.x+copy_info.width-RoiDelta)) && (y < (copy_info.y+copy_info.height+RoiDelta)) && (y > (copy_info.y+copy_info.height-RoiDelta))) { state|=UpdateConfigurationState; break; } } case ButtonRelease: break; case Expose: { if (event.xexpose.window == windows->image.id) if (event.xexpose.count == 0) { event.xexpose.x=highlight_info.x; event.xexpose.y=highlight_info.y; event.xexpose.width=highlight_info.width; event.xexpose.height=highlight_info.height; XRefreshWindow(display,&windows->image,&event); } if (event.xexpose.window == windows->info.id) if (event.xexpose.count == 0) XInfoWidget(display,windows,text); break; } case KeyPress: { if (event.xkey.window != windows->image.id) break; /* Respond to a user key press. */ (void) XLookupString((XKeyEvent *) &event.xkey,command, sizeof(command),&key_symbol,(XComposeStatus *) NULL); switch (key_symbol) { case XK_Escape: case XK_F20: state|=EscapeState; case XK_Return: { state|=ExitState; break; } case XK_F1: case XK_Help: { XSetFunction(display,windows->image.highlight_context,GXcopy); XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Copying",ImageCopyHelp); XSetFunction(display,windows->image.highlight_context,GXinvert); break; } default: { XBell(display,0); break; } } break; } case KeyRelease: break; case MotionNotify: { /* Discard pending pointer motion events. */ while (XCheckMaskEvent(display,ButtonMotionMask,&event)); x=event.xmotion.x; y=event.xmotion.y; /* Map and unmap Info widget as text cursor crosses its boundaries. */ if (windows->info.mapped) { if ((x < (windows->info.x+windows->info.width)) && (y < (windows->info.y+windows->info.height))) XWithdrawWindow(display,windows->info.id,windows->info.screen); } else if ((x > (windows->info.x+windows->info.width)) || (y > (windows->info.y+windows->info.height))) XMapWindow(display,windows->info.id); break; } default: break; } if (state & UpdateConfigurationState) { XPutBackEvent(display,&event); XDefineCursor(display,windows->image.id,cursor); break; } } while (!(state & ExitState)); } while (!(state & ExitState)); XSetFunction(display,windows->image.highlight_context,GXcopy); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); if (state & EscapeState) return(True); /* Copy image before applying image transforms. */ windows->info.mapped=False; XInfoWidget(display,windows,CopyImageText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); x=0; y=0; width=image->columns; height=image->rows; if (windows->image.crop_geometry != (char *) NULL) (void) XParseGeometry(windows->image.crop_geometry,&x,&y,&width,&height); scale_factor=UpShift(width)/windows->image.ximage->width; copy_info.x+=x; copy_info.x=DownShift(copy_info.x*scale_factor); copy_info.width=DownShift(copy_info.width*scale_factor); scale_factor=UpShift(height)/windows->image.ximage->height; copy_info.y+=y; copy_info.y=DownShift(copy_info.y*scale_factor); copy_info.height=DownShift(copy_info.height*scale_factor); if (copy_image != (Image *) NULL) DestroyImage(copy_image); copy_image=CropImage(image,©_info); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); if (copy_image == (Image *) NULL) return(False); /* Update image. */ (void) XConfigureImage(display,resource_info,windows,image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X C r o p I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XCropImage crops the Image window. % % The format of the XCropImage routine is: % % status=XCropImage(display,resource_info,windows,image) % % A description of each parameter follows: % % o status: Function XCropImage returns True if the image is % cropped. False is returned is there is a memory shortage or if the % image fails to be cropped. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o windows: Specifies a pointer to a XWindows structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % */ static unsigned int XCropImage(display,resource_info,windows,image) Display *display; XResourceInfo *resource_info; XWindows *windows; Image *image; { #define CropModeHelpOp 0 #define CropModeDismissOp 1 #define RectifyModeCropOp 0 #define RectifyModeHelpOp 1 #define RectifyModeDismissOp 2 static char *CropModeMenu[]= { "Help", "Dismiss", (char *) NULL }, *RectifyModeMenu[]= { "Crop", "Help", "Dismiss", (char *) NULL }; char command[MaxTextLength], text[MaxTextLength]; Cursor cursor; int id, x, y; KeySym key_symbol; RectangleInfo crop_info, highlight_info; unsigned long state; XEvent event; /* Map Command widget. */ windows->command.name="Crop"; windows->command.data=0; (void) XCommandWidget(display,windows,CropModeMenu,(XEvent *) NULL); XMapRaised(display,windows->command.id); XClientMessage(display,windows->image.id,windows->im_protocols, windows->im_update_widget,CurrentTime); /* Track pointer until button 1 is pressed. */ XQueryPosition(display,windows->image.id,&x,&y); crop_info.x=windows->image.x+x; crop_info.y=windows->image.y+y; crop_info.width=0; crop_info.height=0; cursor=XCreateFontCursor(display,XC_fleur); XSelectInput(display,windows->image.id,windows->image.attributes.event_mask | PointerMotionMask); state=DefaultState; do { if (windows->info.mapped) { /* Display pointer position. */ (void) sprintf(text," %+d%+d ",crop_info.x,crop_info.y); XInfoWidget(display,windows,text); } /* Wait for next event. */ XIfEvent(display,&event,XScreenEvent,(char *) windows); if (event.xany.window == windows->command.id) { /* Select a command from the Command widget. */ id=XCommandWidget(display,windows,CropModeMenu,&event); if (id < 0) continue; switch (id) { case CropModeHelpOp: { XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Cropping",ImageCropHelp); break; } case CropModeDismissOp: { /* Prematurely exit. */ state|=EscapeState; state|=ExitState; break; } default: break; } continue; } switch (event.type) { case ButtonPress: { if (event.xbutton.window == windows->pan.id) { XPanImage(display,windows,&event); XInfoWidget(display,windows,text); break; } if (event.xbutton.button == Button1) { /* Note first corner of cropping rectangle-- exit loop. */ XDefineCursor(display,windows->image.id,cursor); crop_info.x=windows->image.x+event.xbutton.x; crop_info.y=windows->image.y+event.xbutton.y; state|=ExitState; break; } break; } case Expose: break; case KeyPress: { if (event.xkey.window != windows->image.id) break; /* Respond to a user key press. */ (void) XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); switch (key_symbol) { case XK_Escape: case XK_F20: { /* Prematurely exit. */ state|=EscapeState; state|=ExitState; break; } case XK_F1: case XK_Help: { XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Cropping",ImageCropHelp); break; } default: { XBell(display,0); break; } } break; } case MotionNotify: { /* Discard pending pointer motion events. */ while (XCheckMaskEvent(display,PointerMotionMask,&event)); x=event.xmotion.x; y=event.xmotion.y; /* Map and unmap Info widget as text cursor crosses its boundaries. */ if (windows->info.mapped) { if ((x < (windows->info.x+windows->info.width)) && (y < (windows->info.y+windows->info.height))) XWithdrawWindow(display,windows->info.id,windows->info.screen); } else if ((x > (windows->info.x+windows->info.width)) || (y > (windows->info.y+windows->info.height))) XMapWindow(display,windows->info.id); crop_info.x=windows->image.x+x; crop_info.y=windows->image.y+y; break; } default: break; } } while (!(state & ExitState)); XSelectInput(display,windows->image.id,windows->image.attributes.event_mask); if (state & EscapeState) { /* User want to exit without cropping. */ XWithdrawWindow(display,windows->info.id,windows->info.screen); XFreeCursor(display,cursor); return(True); } XSetFunction(display,windows->image.highlight_context,GXinvert); do { /* Size rectangle as pointer moves until the mouse button is released. */ x=crop_info.x; y=crop_info.y; crop_info.width=0; crop_info.height=0; state=DefaultState; XSelectInput(display,windows->image.id, windows->image.attributes.event_mask | PointerMotionMask); do { highlight_info=crop_info; highlight_info.x=crop_info.x-windows->image.x; highlight_info.y=crop_info.y-windows->image.y; if ((highlight_info.width > 3) && (highlight_info.height > 3)) { /* Display info and draw cropping rectangle. */ if (!windows->info.mapped) XMapWindow(display,windows->info.id); (void) sprintf(text," %ux%u%+d%+d",crop_info.width,crop_info.height, crop_info.x,crop_info.y); XInfoWidget(display,windows,text); XHighlightRegion(display,windows->image.id, windows->image.highlight_context,&highlight_info); } else if (windows->info.mapped) XWithdrawWindow(display,windows->info.id,windows->info.screen); /* Wait for next event. */ XIfEvent(display,&event,XScreenEvent,(char *) windows); if ((highlight_info.width > 3) && (highlight_info.height > 3)) XHighlightRegion(display,windows->image.id, windows->image.highlight_context,&highlight_info); if (event.xany.window == windows->command.id) { /* Select a command from the Command widget. */ id=XCommandWidget(display,windows,CropModeMenu,&event); if (id < 0) continue; switch (id) { case CropModeHelpOp: { XSetFunction(display,windows->image.highlight_context,GXcopy); XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Cropping",ImageCropHelp); XSetFunction(display,windows->image.highlight_context,GXinvert); break; } case CropModeDismissOp: { /* Prematurely exit. */ state|=EscapeState; state|=ExitState; break; } default: break; } continue; } switch (event.type) { case ButtonPress: { if (event.xbutton.window == windows->pan.id) { XPanImage(display,windows,&event); XInfoWidget(display,windows,text); break; } crop_info.x=windows->image.x+event.xbutton.x; crop_info.y=windows->image.y+event.xbutton.y; break; } case ButtonRelease: { /* User has committed to cropping rectangle. */ crop_info.x=windows->image.x+event.xbutton.x; crop_info.y=windows->image.y+event.xbutton.y; XSetCursorState(display,windows,False); state|=ExitState; if (strcmp(windows->command.name,"Rectify") == 0) break; windows->command.name="Rectify"; windows->command.data=0; (void) XCommandWidget(display,windows,RectifyModeMenu, (XEvent *) NULL); break; } case Expose: break; case MotionNotify: { /* Discard pending button motion events. */ while (XCheckMaskEvent(display,ButtonMotionMask,&event)); crop_info.x=windows->image.x+event.xmotion.x; crop_info.y=windows->image.y+event.xmotion.y; } default: break; } if (((crop_info.x != x) && (crop_info.y != y)) || (state & ExitState)) { /* Check boundary conditions. */ if (crop_info.x < 0) crop_info.x=0; else if (crop_info.x > windows->image.ximage->width) crop_info.x=windows->image.ximage->width; if (crop_info.x < x) crop_info.width=(unsigned int) (x-crop_info.x); else { crop_info.width=(unsigned int) (crop_info.x-x); crop_info.x=x; } if (crop_info.y < 0) crop_info.y=0; else if (crop_info.y > windows->image.ximage->height) crop_info.y=windows->image.ximage->height; if (crop_info.y < y) crop_info.height=(unsigned int) (y-crop_info.y); else { crop_info.height=(unsigned int) (crop_info.y-y); crop_info.y=y; } } } while (!(state & ExitState)); XSelectInput(display,windows->image.id, windows->image.attributes.event_mask); /* Wait for user to grab a corner of the rectangle or press return. */ state=DefaultState; do { if (windows->info.mapped) { /* Display pointer position. */ (void) sprintf(text," %ux%u%+d%+d",crop_info.width,crop_info.height, crop_info.x,crop_info.y); XInfoWidget(display,windows,text); } highlight_info=crop_info; highlight_info.x=crop_info.x-windows->image.x; highlight_info.y=crop_info.y-windows->image.y; if ((highlight_info.width <= 3) || (highlight_info.height <= 3)) { state|=EscapeState; state|=ExitState; break; } XHighlightRegion(display,windows->image.id, windows->image.highlight_context,&highlight_info); XIfEvent(display,&event,XScreenEvent,(char *) windows); if (event.xany.window == windows->command.id) { /* Select a command from the Command widget. */ XSetFunction(display,windows->image.highlight_context,GXcopy); id=XCommandWidget(display,windows,RectifyModeMenu,&event); XSetFunction(display,windows->image.highlight_context,GXinvert); XHighlightRegion(display,windows->image.id, windows->image.highlight_context,&highlight_info); if (id >= 0) switch (id) { case RectifyModeCropOp: { state|=ExitState; break; } case RectifyModeHelpOp: { XSetFunction(display,windows->image.highlight_context,GXcopy); XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Cropping",ImageCropHelp); XSetFunction(display,windows->image.highlight_context,GXinvert); break; } case RectifyModeDismissOp: { /* Prematurely exit. */ state|=EscapeState; state|=ExitState; break; } default: break; } continue; } XHighlightRegion(display,windows->image.id, windows->image.highlight_context,&highlight_info); switch (event.type) { case ButtonPress: { if (event.xbutton.window == windows->pan.id) { XPanImage(display,windows,&event); XInfoWidget(display,windows,text); break; } if (event.xbutton.window != windows->image.id) break; x=windows->image.x+event.xbutton.x; y=windows->image.y+event.xbutton.y; if ((x < (crop_info.x+RoiDelta)) && (x > (crop_info.x-RoiDelta)) && (y < (crop_info.y+RoiDelta)) && (y > (crop_info.y-RoiDelta))) { crop_info.x=crop_info.x+crop_info.width; crop_info.y=crop_info.y+crop_info.height; state|=UpdateConfigurationState; break; } if ((x < (crop_info.x+RoiDelta)) && (x > (crop_info.x-RoiDelta)) && (y < (crop_info.y+crop_info.height+RoiDelta)) && (y > (crop_info.y+crop_info.height-RoiDelta))) { crop_info.x=crop_info.x+crop_info.width; state|=UpdateConfigurationState; break; } if ((x < (crop_info.x+crop_info.width+RoiDelta)) && (x > (crop_info.x+crop_info.width-RoiDelta)) && (y < (crop_info.y+RoiDelta)) && (y > (crop_info.y-RoiDelta))) { crop_info.y=crop_info.y+crop_info.height; state|=UpdateConfigurationState; break; } if ((x < (crop_info.x+crop_info.width+RoiDelta)) && (x > (crop_info.x+crop_info.width-RoiDelta)) && (y < (crop_info.y+crop_info.height+RoiDelta)) && (y > (crop_info.y+crop_info.height-RoiDelta))) { state|=UpdateConfigurationState; break; } } case ButtonRelease: break; case Expose: { if (event.xexpose.window == windows->image.id) if (event.xexpose.count == 0) { event.xexpose.x=highlight_info.x; event.xexpose.y=highlight_info.y; event.xexpose.width=highlight_info.width; event.xexpose.height=highlight_info.height; XRefreshWindow(display,&windows->image,&event); } if (event.xexpose.window == windows->info.id) if (event.xexpose.count == 0) XInfoWidget(display,windows,text); break; } case KeyPress: { if (event.xkey.window != windows->image.id) break; /* Respond to a user key press. */ (void) XLookupString((XKeyEvent *) &event.xkey,command, sizeof(command),&key_symbol,(XComposeStatus *) NULL); switch (key_symbol) { case XK_Escape: case XK_F20: state|=EscapeState; case XK_Return: { state|=ExitState; break; } case XK_F1: case XK_Help: { XSetFunction(display,windows->image.highlight_context,GXcopy); XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Cropping",ImageCropHelp); XSetFunction(display,windows->image.highlight_context,GXinvert); break; } default: { XBell(display,0); break; } } break; } case KeyRelease: break; case MotionNotify: { /* Discard pending pointer motion events. */ while (XCheckMaskEvent(display,ButtonMotionMask,&event)); x=event.xmotion.x; y=event.xmotion.y; /* Map and unmap Info widget as text cursor crosses its boundaries. */ if (windows->info.mapped) { if ((x < (windows->info.x+windows->info.width)) && (y < (windows->info.y+windows->info.height))) XWithdrawWindow(display,windows->info.id,windows->info.screen); } else if ((x > (windows->info.x+windows->info.width)) || (y > (windows->info.y+windows->info.height))) XMapWindow(display,windows->info.id); break; } default: break; } if (state & UpdateConfigurationState) { XPutBackEvent(display,&event); XDefineCursor(display,windows->image.id,cursor); break; } } while (!(state & ExitState)); } while (!(state & ExitState)); XSetFunction(display,windows->image.highlight_context,GXcopy); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); if (state & EscapeState) return(True); if ((crop_info.width != windows->image.ximage->width) || (crop_info.height != windows->image.ximage->height)) { /* Reconfigure Image window as defined by cropping rectangle. */ XSetCropGeometry(display,windows,&crop_info,image); windows->image.window_changes.width=crop_info.width; windows->image.window_changes.height=crop_info.height; (void) XConfigureImage(display,resource_info,windows,image); } return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X C u t I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XCutImage cuts a region from the image. % % The format of the XCutImage routine is: % % status=XCutImage(display,resource_info,windows,image) % % A description of each parameter follows: % % o status: Function XCutImage returns True if the image is % cutped. False is returned is there is a memory shortage or if the % image fails to be cutped. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o windows: Specifies a pointer to a XWindows structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % */ static unsigned int XCutImage(display,resource_info,windows,image) Display *display; XResourceInfo *resource_info; XWindows *windows; Image *image; { #define CutImageText " Cutting image... " #define CutModeHelpOp 0 #define CutModeDismissOp 1 #define RectifyModeCutOp 0 #define RectifyModeHelpOp 1 #define RectifyModeDismissOp 2 static char *CutModeMenu[]= { "Help", "Dismiss", (char *) NULL }, *RectifyModeMenu[]= { "Cut", "Help", "Dismiss", (char *) NULL }; char command[MaxTextLength], text[MaxTextLength]; Cursor cursor; int id, x, y; KeySym key_symbol; RectangleInfo cut_info, highlight_info; register RunlengthPacket *p; unsigned int height, width; unsigned long scale_factor, state; XEvent event; /* Map Command widget. */ windows->command.name="Cut"; windows->command.data=0; (void) XCommandWidget(display,windows,CutModeMenu,(XEvent *) NULL); XMapRaised(display,windows->command.id); XClientMessage(display,windows->image.id,windows->im_protocols, windows->im_update_widget,CurrentTime); /* Track pointer until button 1 is pressed. */ XQueryPosition(display,windows->image.id,&x,&y); cut_info.x=windows->image.x+x; cut_info.y=windows->image.y+y; cut_info.width=0; cut_info.height=0; cursor=XCreateFontCursor(display,XC_fleur); XSelectInput(display,windows->image.id,windows->image.attributes.event_mask | PointerMotionMask); state=DefaultState; do { if (windows->info.mapped) { /* Display pointer position. */ (void) sprintf(text," %+d%+d ",cut_info.x,cut_info.y); XInfoWidget(display,windows,text); } /* Wait for next event. */ XIfEvent(display,&event,XScreenEvent,(char *) windows); if (event.xany.window == windows->command.id) { /* Select a command from the Command widget. */ id=XCommandWidget(display,windows,CutModeMenu,&event); if (id < 0) continue; switch (id) { case CutModeHelpOp: { XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Cutting",ImageCutHelp); break; } case CutModeDismissOp: { /* Prematurely exit. */ state|=EscapeState; state|=ExitState; break; } default: break; } continue; } switch (event.type) { case ButtonPress: { if (event.xbutton.window == windows->pan.id) { XPanImage(display,windows,&event); XInfoWidget(display,windows,text); break; } if (event.xbutton.button == Button1) { /* Note first corner of cut rectangle-- exit loop. */ XDefineCursor(display,windows->image.id,cursor); cut_info.x=windows->image.x+event.xbutton.x; cut_info.y=windows->image.y+event.xbutton.y; state|=ExitState; break; } break; } case Expose: break; case KeyPress: { if (event.xkey.window != windows->image.id) break; /* Respond to a user key press. */ (void) XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); switch (key_symbol) { case XK_Escape: case XK_F20: { /* Prematurely exit. */ state|=EscapeState; state|=ExitState; break; } case XK_F1: case XK_Help: { XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Cutting",ImageCutHelp); break; } default: { XBell(display,0); break; } } break; } case MotionNotify: { /* Discard pending pointer motion events. */ while (XCheckMaskEvent(display,PointerMotionMask,&event)); x=event.xmotion.x; y=event.xmotion.y; /* Map and unmap Info widget as text cursor crosses its boundaries. */ if (windows->info.mapped) { if ((x < (windows->info.x+windows->info.width)) && (y < (windows->info.y+windows->info.height))) XWithdrawWindow(display,windows->info.id,windows->info.screen); } else if ((x > (windows->info.x+windows->info.width)) || (y > (windows->info.y+windows->info.height))) XMapWindow(display,windows->info.id); cut_info.x=windows->image.x+x; cut_info.y=windows->image.y+y; break; } default: break; } } while (!(state & ExitState)); XSelectInput(display,windows->image.id,windows->image.attributes.event_mask); if (state & EscapeState) { /* User want to exit without cut. */ XWithdrawWindow(display,windows->info.id,windows->info.screen); XFreeCursor(display,cursor); return(True); } XSetFunction(display,windows->image.highlight_context,GXinvert); do { /* Size rectangle as pointer moves until the mouse button is released. */ x=cut_info.x; y=cut_info.y; cut_info.width=0; cut_info.height=0; state=DefaultState; XSelectInput(display,windows->image.id, windows->image.attributes.event_mask | PointerMotionMask); do { highlight_info=cut_info; highlight_info.x=cut_info.x-windows->image.x; highlight_info.y=cut_info.y-windows->image.y; if ((highlight_info.width > 3) && (highlight_info.height > 3)) { /* Display info and draw cut rectangle. */ (void) sprintf(text," %ux%u%+d%+d",cut_info.width,cut_info.height, cut_info.x,cut_info.y); XInfoWidget(display,windows,text); XHighlightRegion(display,windows->image.id, windows->image.highlight_context,&highlight_info); } else if (windows->info.mapped) XWithdrawWindow(display,windows->info.id,windows->info.screen); /* Wait for next event. */ XIfEvent(display,&event,XScreenEvent,(char *) windows); if ((highlight_info.width > 3) && (highlight_info.height > 3)) XHighlightRegion(display,windows->image.id, windows->image.highlight_context,&highlight_info); if (event.xany.window == windows->command.id) { /* Select a command from the Command widget. */ id=XCommandWidget(display,windows,CutModeMenu,&event); if (id < 0) continue; switch (id) { case CutModeHelpOp: { XSetFunction(display,windows->image.highlight_context,GXcopy); XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Cutting",ImageCutHelp); XSetFunction(display,windows->image.highlight_context,GXinvert); break; } case CutModeDismissOp: { /* Prematurely exit. */ state|=EscapeState; state|=ExitState; break; } default: break; } continue; } switch (event.type) { case ButtonPress: { if (event.xbutton.window == windows->pan.id) { XPanImage(display,windows,&event); XInfoWidget(display,windows,text); break; } cut_info.x=windows->image.x+event.xbutton.x; cut_info.y=windows->image.y+event.xbutton.y; break; } case ButtonRelease: { /* User has committed to cut rectangle. */ cut_info.x=windows->image.x+event.xbutton.x; cut_info.y=windows->image.y+event.xbutton.y; XSetCursorState(display,windows,False); windows->command.name="Rectify"; windows->command.data=0; (void) XCommandWidget(display,windows,RectifyModeMenu, (XEvent *) NULL); state|=ExitState; break; } case Expose: break; case MotionNotify: { /* Discard pending button motion events. */ while (XCheckMaskEvent(display,ButtonMotionMask,&event)); cut_info.x=windows->image.x+event.xmotion.x; cut_info.y=windows->image.y+event.xmotion.y; } default: break; } if (((cut_info.x != x) && (cut_info.y != y)) || (state & ExitState)) { /* Check boundary conditions. */ if (cut_info.x < 0) cut_info.x=0; else if (cut_info.x > windows->image.ximage->width) cut_info.x=windows->image.ximage->width; if (cut_info.x < x) cut_info.width=(unsigned int) (x-cut_info.x); else { cut_info.width=(unsigned int) (cut_info.x-x); cut_info.x=x; } if (cut_info.y < 0) cut_info.y=0; else if (cut_info.y > windows->image.ximage->height) cut_info.y=windows->image.ximage->height; if (cut_info.y < y) cut_info.height=(unsigned int) (y-cut_info.y); else { cut_info.height=(unsigned int) (cut_info.y-y); cut_info.y=y; } } } while (!(state & ExitState)); XSelectInput(display,windows->image.id, windows->image.attributes.event_mask); XWithdrawWindow(display,windows->info.id,windows->info.screen); /* Wait for user to grab a corner of the rectangle or press return. */ state&=(~ExitState); do { if (windows->info.mapped) { /* Display pointer position. */ (void) sprintf(text," %+d%+d ",cut_info.x,cut_info.y); XInfoWidget(display,windows,text); } highlight_info=cut_info; highlight_info.x=cut_info.x-windows->image.x; highlight_info.y=cut_info.y-windows->image.y; if ((highlight_info.width <= 3) || (highlight_info.height <= 3)) { state|=EscapeState; state|=ExitState; break; } XHighlightRegion(display,windows->image.id, windows->image.highlight_context,&highlight_info); XIfEvent(display,&event,XScreenEvent,(char *) windows); XHighlightRegion(display,windows->image.id, windows->image.highlight_context,&highlight_info); if (event.xany.window == windows->command.id) { /* Select a command from the Command widget. */ id=XCommandWidget(display,windows,RectifyModeMenu,&event); if (id < 0) continue; switch (id) { case RectifyModeCutOp: { state|=ExitState; break; } case RectifyModeHelpOp: { XSetFunction(display,windows->image.highlight_context,GXcopy); XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Cutting",ImageCutHelp); XSetFunction(display,windows->image.highlight_context,GXinvert); break; } case RectifyModeDismissOp: { /* Prematurely exit. */ state|=EscapeState; state|=ExitState; break; } default: break; } continue; } switch (event.type) { case ButtonPress: { if (event.xbutton.window == windows->pan.id) { XPanImage(display,windows,&event); XInfoWidget(display,windows,text); break; } if (event.xbutton.window != windows->image.id) break; x=windows->image.x+event.xbutton.x; y=windows->image.y+event.xbutton.y; if ((x < (cut_info.x+RoiDelta)) && (x > (cut_info.x-RoiDelta)) && (y < (cut_info.y+RoiDelta)) && (y > (cut_info.y-RoiDelta))) { cut_info.x=cut_info.x+cut_info.width; cut_info.y=cut_info.y+cut_info.height; state|=UpdateConfigurationState; break; } if ((x < (cut_info.x+RoiDelta)) && (x > (cut_info.x-RoiDelta)) && (y < (cut_info.y+cut_info.height+RoiDelta)) && (y > (cut_info.y+cut_info.height-RoiDelta))) { cut_info.x=cut_info.x+cut_info.width; state|=UpdateConfigurationState; break; } if ((x < (cut_info.x+cut_info.width+RoiDelta)) && (x > (cut_info.x+cut_info.width-RoiDelta)) && (y < (cut_info.y+RoiDelta)) && (y > (cut_info.y-RoiDelta))) { cut_info.y=cut_info.y+cut_info.height; state|=UpdateConfigurationState; break; } if ((x < (cut_info.x+cut_info.width+RoiDelta)) && (x > (cut_info.x+cut_info.width-RoiDelta)) && (y < (cut_info.y+cut_info.height+RoiDelta)) && (y > (cut_info.y+cut_info.height-RoiDelta))) { state|=UpdateConfigurationState; break; } } case ButtonRelease: break; case Expose: { if (event.xexpose.window == windows->image.id) if (event.xexpose.count == 0) { event.xexpose.x=highlight_info.x; event.xexpose.y=highlight_info.y; event.xexpose.width=highlight_info.width; event.xexpose.height=highlight_info.height; XRefreshWindow(display,&windows->image,&event); } if (event.xexpose.window == windows->info.id) if (event.xexpose.count == 0) XInfoWidget(display,windows,text); break; } case KeyPress: { if (event.xkey.window != windows->image.id) break; /* Respond to a user key press. */ (void) XLookupString((XKeyEvent *) &event.xkey,command, sizeof(command),&key_symbol,(XComposeStatus *) NULL); switch (key_symbol) { case XK_Escape: case XK_F20: state|=EscapeState; case XK_Return: { state|=ExitState; break; } case XK_F1: case XK_Help: { XSetFunction(display,windows->image.highlight_context,GXcopy); XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Cutting",ImageCutHelp); XSetFunction(display,windows->image.highlight_context,GXinvert); break; } default: { XBell(display,0); break; } } break; } case KeyRelease: break; case MotionNotify: { /* Discard pending pointer motion events. */ while (XCheckMaskEvent(display,ButtonMotionMask,&event)); x=event.xmotion.x; y=event.xmotion.y; /* Map and unmap Info widget as text cursor crosses its boundaries. */ if (windows->info.mapped) { if ((x < (windows->info.x+windows->info.width)) && (y < (windows->info.y+windows->info.height))) XWithdrawWindow(display,windows->info.id,windows->info.screen); } else if ((x > (windows->info.x+windows->info.width)) || (y > (windows->info.y+windows->info.height))) XMapWindow(display,windows->info.id); break; } default: break; } if (state & UpdateConfigurationState) { XPutBackEvent(display,&event); XDefineCursor(display,windows->image.id,cursor); break; } } while (!(state & ExitState)); } while (!(state & ExitState)); XSetFunction(display,windows->image.highlight_context,GXcopy); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); if (state & EscapeState) return(True); /* Cut region is relative to image configuration. */ windows->info.mapped=False; XInfoWidget(display,windows,CutImageText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); x=0; y=0; width=image->columns; height=image->rows; if (windows->image.crop_geometry != (char *) NULL) (void) XParseGeometry(windows->image.crop_geometry,&x,&y,&width,&height); scale_factor=UpShift(width)/windows->image.ximage->width; cut_info.x+=x; cut_info.x=DownShift(cut_info.x*scale_factor); cut_info.width=DownShift(cut_info.width*scale_factor); scale_factor=UpShift(height)/windows->image.ximage->height; cut_info.y+=y; cut_info.y=DownShift(cut_info.y*scale_factor); cut_info.height=DownShift(cut_info.height*scale_factor); if (copy_image != (Image *) NULL) DestroyImage(copy_image); copy_image=CropImage(image,&cut_info); XSetCursorState(display,windows,False); /* Cut image. */ image->class=DirectClass; if (!image->matte) { /* Initialize matte data. */ p=image->pixels; for (x=0; x < image->packets; x++) { p->index=Opaque; p++; } image->matte=True; } if (UncompressImage(image)) for (y=0; y < cut_info.height; y++) { p=image->pixels+(cut_info.y+y)*image->columns+cut_info.x; for (x=0; x < cut_info.width; x++) { p->index=Transparent; p++; } } /* Update image colormap. */ XConfigureImageColormap(display,resource_info,windows,image); (void) XConfigureImage(display,resource_info,windows,image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X D i s p l a y B a c k g r o u n d I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XDisplayBackgroundImage displays an image in the background of a % window. % % The format of the XDisplayBackgroundImage routine is: % % status=XDisplayBackgroundImage(display,resource_info,image) % % A description of each parameter follows: % % o status: Function XDisplayBackgroundImage returns True if the % designated window is the root window. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % */ static unsigned int XDisplayBackgroundImage(display,resource_info,image) Display *display; XResourceInfo *resource_info; Image *image; { char visual_type[MaxTextLength]; unsigned int height, status, width; Window root_window; XGCValues context_values; XPixelInfo pixel_info; XResourceInfo resources; XStandardColormap *map_info; XVisualInfo *visual_info; XWindowAttributes window_attributes; XWindowInfo window_info; /* Determine target window. */ window_info.id=(Window) NULL; window_info.ximage=(XImage *) NULL; window_info.matte_image=(XImage *) NULL; window_info.pixmap=(Pixmap) NULL; window_info.matte_pixmap=(Pixmap) NULL; window_info.shared_memory=False; root_window=XRootWindow(display,XDefaultScreen(display)); if (Latin1Compare(resource_info->window_id,"root") == 0) window_info.id=root_window; else { if (isdigit(*resource_info->window_id)) window_info.id=XWindowByID(display,root_window,(Window) strtol((char *) resource_info->window_id,(char **) NULL,0)); if (window_info.id == (Window) NULL) window_info.id= XWindowByName(display,root_window,resource_info->window_id); } if (window_info.id == (Window) NULL) Error("No window with specified id exists",resource_info->window_id); /* Determine window visual id. */ window_attributes.width=XDisplayWidth(display,XDefaultScreen(display)); window_attributes.height=XDisplayHeight(display,XDefaultScreen(display)); (void) strcpy(visual_type,"default"); status=XGetWindowAttributes(display,window_info.id,&window_attributes); if (status != False) (void) sprintf(visual_type,"0x%lx", XVisualIDFromVisual(window_attributes.visual)); /* Allocate standard colormap. */ map_info=XAllocStandardColormap(); if (map_info == (XStandardColormap *) NULL) Error("Unable to create standard colormap","Memory allocation failed"); map_info->colormap=(Colormap) NULL; pixel_info.pixels=(unsigned long *) NULL; /* Initialize visual info. */ resources=(*resource_info); resources.map_type=(char *) NULL; resources.visual_type=visual_type; visual_info=XBestVisualInfo(display,map_info,&resources); if (visual_info == (XVisualInfo *) NULL) Error("Unable to get visual",resource_info->visual_type); /* Free previous root colors. */ if (window_info.id == root_window) XDestroyWindowColors(display,root_window); /* Initialize colormap. */ resources.colormap=SharedColormap; XMakeStandardColormap(display,visual_info,&resources,image,map_info, &pixel_info); /* Graphic context superclass. */ context_values.background=pixel_info.background_color.pixel; context_values.foreground=pixel_info.foreground_color.pixel; pixel_info.annotate_context=XCreateGC(display,window_info.id,GCBackground | GCForeground,&context_values); if (pixel_info.annotate_context == (GC) NULL) Error("Unable to create graphic context",(char *) NULL); /* Initialize Image window attributes. */ XGetWindowInfo(display,visual_info,map_info,&pixel_info,(XFontStruct *) NULL, resource_info,&window_info); /* Create the X image. */ window_info.width=image->columns; if (window_info.width >= window_attributes.width) window_info.width=window_attributes.width; window_info.height=image->rows; if (window_info.height >= window_attributes.height) window_info.height=window_attributes.height; status=XMakeImage(display,resource_info,&window_info,image,window_info.width, window_info.height); if (status == False) Error("Unable to create X image",(char *) NULL); window_info.x=0; window_info.y=0; if (resource_info->debug) { (void) fprintf(stderr,"Image: %s[%u] %ux%u ",image->filename, image->scene,image->columns,image->rows); if (image->colors != 0) (void) fprintf(stderr,"%uc ",image->colors); (void) fprintf(stderr,"%s\n",image->magick); } /* Adjust image dimensions as specified by backdrop or geometry options. */ width=window_info.width; height=window_info.height; if (resource_info->backdrop) { /* Center image on root window. */ window_info.x=(window_attributes.width >> 1)- (window_info.ximage->width >> 1); window_info.y=(window_attributes.height >> 1)- (window_info.ximage->height >> 1); width=window_attributes.width; height=window_attributes.height; } if (resource_info->image_geometry != (char *) NULL) { char default_geometry[MaxTextLength]; int flags, gravity; XSizeHints *size_hints; /* User specified geometry. */ size_hints=XAllocSizeHints(); if (size_hints == (XSizeHints *) NULL) Error("Unable to display on window","Memory allocation failed"); size_hints->flags=(long) NULL; (void) sprintf(default_geometry,"%ux%u",width,height); flags=XWMGeometry(display,visual_info->screen, resource_info->image_geometry,default_geometry, window_info.border_width,size_hints,&window_info.x,&window_info.y, (int *) &width,(int *) &height,&gravity); if (flags & (XValue | YValue)) { width=window_attributes.width; height=window_attributes.height; } XFree((void *) size_hints); } /* Create the X pixmap. */ window_info.pixmap= XCreatePixmap(display,window_info.id,width,height,window_info.depth); if (window_info.pixmap == (Pixmap) NULL) Error("Unable to create X pixmap",(char *) NULL); /* Display pixmap on the window. */ if ((width > window_info.width) || (height > window_info.height)) XFillRectangle(display,window_info.pixmap,window_info.annotate_context, 0,0,width,height); XPutImage(display,window_info.pixmap,window_info.annotate_context, window_info.ximage,0,0,window_info.x,window_info.y,window_info.width, window_info.height); XSetWindowBackgroundPixmap(display,window_info.id,window_info.pixmap); XClearWindow(display,window_info.id); /* Free resources. */ XFreePixmap(display,window_info.pixmap); XDestroyImage(window_info.ximage); XFreeGC(display,window_info.annotate_context); XFreeCursor(display,window_info.cursor); XFreeCursor(display,window_info.busy_cursor); if (window_info.id != root_window) XFreeStandardColormap(display,visual_info,map_info,&pixel_info); else if (pixel_info.pixels != (unsigned long *) NULL) free((char *) pixel_info.pixels); XFree((void *) map_info); XFree((void *) visual_info); return(window_info.id == root_window); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X D i s p l a y I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XDisplayImage displays an image via X11. A new image is created % and returned if the user interactively transforms the displayed image. % % The format of the XDisplayImage routine is: % % loaded_image=XDisplayImage(display,resource_info,argv,argc,image,state) % % A description of each parameter follows: % % o loaded_image: Function XDisplayImage returns an image when the % user chooses 'Load Image' from the command menu or picks a tile % from the image directory. Otherwise a null image is returned. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o argv: Specifies the application's argument list. % % o argc: Specifies the number of arguments. % % o image: Specifies an address to an address of an Image structure; % returned from ReadImage. % % */ static Image *XDisplayImage(display,resource_info,argv,argc,image,state) Display *display; XResourceInfo *resource_info; char **argv; int argc; Image **image; unsigned long *state; { #define MagnifySize 256 /* must be a power of 2 */ #define MagickMenus 9 #define MaxWindows 10 #define MagickTitle "Commands" static char *CommandMenu[]= { "File", "Edit", "View", "Transform", "Enhance", "Effects", "Image Edit", "Miscellany", "Help", (char *) NULL }, *FileMenu[]= { "Load...", "Next", "Former", "Select...", "Save...", "Print...", "Delete...", "Canvas...", "Visual Directory...", "Quit", (char *) NULL }, *EditMenu[]= { "Cut", "Copy", "Paste", "Undo", (char *) NULL }, *ViewMenu[]= { "Half Size", "Original Size", "Double Size", "Resize...", "Apply", "Refresh", "Restore", (char *) NULL }, *TransformMenu[]= { "Crop", "Chop", "Flop", "Flip", "Rotate Right", "Rotate Left", "Rotate...", "Shear...", "Trim Edges", (char *) NULL }, *EnhanceMenu[]= { "Hue...", "Saturation...", "Brightness...", "Gamma...", "Spiff", "Dull", "Equalize", "Normalize", "Negate", "Grayscale", "Quantize...", (char *) NULL }, *EffectsMenu[]= { "Despeckle", "Peak Noise", "Sharpen...", "Blur...", "Edge Detect", "Emboss", "Oil Painting", "Raise...", "Segment...", (char *) NULL }, *ImageEditMenu[]= { "Annotate", "Draw", "Color", "Matte", "Composite...", "Add Border...", "Add Frame...", "Comment", "Region of Interest", (char *) NULL }, *MiscellanyMenu[]= { "Image Info", "Show Histogram", "Background...", "Slide Show...", "Preferences...", (char *) NULL }, *HelpMenu[]= { "Overview", "Browse Documentation", "Version", (char *) NULL }, *ShortCutsMenu[]= { "Next", "Load...", "Save...", "Undo", "Restore", "Crop", "Gamma...", "Annotate", "Image Info", (char *) NULL }, *ImmutableMenu[]= { "Image Info", "Quit", (char *) NULL }; static char **Menus[MagickMenus]= { FileMenu, EditMenu, ViewMenu, TransformMenu, EnhanceMenu, EffectsMenu, ImageEditMenu, MiscellanyMenu, HelpMenu }; static KeySym CommandKeys[]= { XK_VoidSymbol, XK_VoidSymbol, XK_VoidSymbol, XK_VoidSymbol, XK_VoidSymbol, XK_VoidSymbol, XK_VoidSymbol, XK_VoidSymbol, XK_VoidSymbol, }, FileKeys[]= { XK_l, XK_n, XK_f, XK_F2, XK_s, XK_p, XK_Delete, XK_C, XK_V, XK_q }, EditKeys[]= { XK_F3, XK_F4, XK_F5, XK_u, }, ViewKeys[]= { XK_less, XK_o, XK_greater, XK_percent, XK_A, XK_at, XK_r }, TransformKeys[]= { XK_bracketleft, XK_bracketright, XK_bar, XK_minus, XK_slash, XK_backslash, XK_asterisk, XK_F6, XK_t }, EnhanceKeys[]= { XK_F7, XK_F8, XK_F9, XK_g, XK_F10, XK_F11, XK_equal, XK_N, XK_asciitilde, XK_G, XK_numbersign }, EffectsKeys[]= { XK_D, XK_P, XK_S, XK_B, XK_E, XK_M, XK_O, XK_asciicircum, XK_Z }, ImageEditKeys[]= { XK_a, XK_d, XK_c, XK_m, XK_x, XK_b, XK_F, XK_exclam, XK_R }, MiscellanyKeys[]= { XK_i, XK_H, XK_ampersand, XK_comma, XK_F12 }, HelpKeys[]= { XK_h, XK_Find, XK_v, }, ShortCutsKeys[]= { XK_n, XK_l, XK_s, XK_u, XK_r, XK_bracketleft, XK_g, XK_a, XK_i }, ImmutableKeys[]= { XK_i, XK_q }; static KeySym *Keys[MagickMenus]= { FileKeys, EditKeys, ViewKeys, TransformKeys, EnhanceKeys, EffectsKeys, ImageEditKeys, MiscellanyKeys, HelpKeys }; static unsigned char HighlightBitmap[] = {0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55}, ShadowBitmap[] = {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}; char command[MaxTextLength], resource_name[MaxTextLength]; Image *displayed_image, *loaded_image; int entry, id, status; KeySym key_symbol; register int i; static char working_directory[MaxTextLength]; static Window root_window; static XClassHint *class_hints; static XFontStruct *font_info; static XPixelInfo icon_pixel, pixel_info; static XPoint vid_info; static XResourceInfo icon_resources; static XStandardColormap *icon_map, *map_info; static XVisualInfo *icon_visual, *visual_info = (XVisualInfo *) NULL; static XWindowInfo *magick_windows[MaxWindows]; static XWMHints *manager_hints; static unsigned int number_windows; struct stat file_info; time_t timer, time_stamp, update_time; unsigned int context_mask; XEvent event; XGCValues context_values; XWindowChanges window_changes; if (visual_info != (XVisualInfo *) NULL) (void) chdir(working_directory); else { /* Allocate standard colormap. */ if (resource_info->debug) { XSynchronize(display,True); (void) fprintf(stderr,"Version: %s\n",Version); } map_info=XAllocStandardColormap(); icon_map=XAllocStandardColormap(); if ((map_info == (XStandardColormap *) NULL) || (icon_map == (XStandardColormap *) NULL)) Error("Unable to create standard colormap","Memory allocation failed"); map_info->colormap=(Colormap) NULL; icon_map->colormap=(Colormap) NULL; pixel_info.pixels=(unsigned long *) NULL; pixel_info.annotate_context=(GC) NULL; pixel_info.highlight_context=(GC) NULL; pixel_info.widget_context=(GC) NULL; font_info=(XFontStruct *) NULL; icon_pixel.annotate_context=(GC) NULL; icon_pixel.pixels=(unsigned long *) NULL; /* Allocate visual. */ icon_resources=(*resource_info); icon_resources.map_type=(char *) NULL; icon_resources.visual_type="default"; icon_resources.colormap=SharedColormap; visual_info=XBestVisualInfo(display,map_info,resource_info); icon_visual=XBestVisualInfo(display,icon_map,&icon_resources); if ((visual_info == (XVisualInfo *) NULL) || (icon_visual == (XVisualInfo *) NULL)) Error("Unable to get visual",resource_info->visual_type); if (resource_info->debug) { (void) fprintf(stderr,"Visual:\n"); (void) fprintf(stderr," visual id: 0x%lx\n",visual_info->visualid); (void) fprintf(stderr," class: %s\n", XVisualClassName(visual_info->class)); (void) fprintf(stderr," depth: %d planes\n",visual_info->depth); (void) fprintf(stderr," size of colormap: %d entries\n", visual_info->colormap_size); (void) fprintf(stderr," red, green, blue masks: 0x%lx 0x%lx 0x%lx\n", visual_info->red_mask,visual_info->green_mask, visual_info->blue_mask); (void) fprintf(stderr," significant bits in color: %d bits\n", visual_info->bits_per_rgb); } /* Allocate atoms. */ windows=(XWindows *) malloc(sizeof(XWindows)); if (windows == (XWindows *) NULL) Error("Unable to create X windows","Memory allocation failed"); windows->wm_protocols=XInternAtom(display,"WM_PROTOCOLS",False); windows->wm_delete_window=XInternAtom(display,"WM_DELETE_WINDOW",False); windows->wm_take_focus=XInternAtom(display,"WM_TAKE_FOCUS",False); windows->im_protocols=XInternAtom(display,"IM_PROTOCOLS",False); windows->im_update_widget=XInternAtom(display,"IM_UPDATE_WIDGET",False); windows->im_update_colormap= XInternAtom(display,"IM_UPDATE_COLORMAP",False); windows->im_former_image=XInternAtom(display,"IM_FORMER_IMAGE",False); windows->im_next_image=XInternAtom(display,"IM_NEXT_IMAGE",False); windows->im_retain_colors=XInternAtom(display,"IM_RETAIN_COLORS",False); windows->im_exit=XInternAtom(display,"IM_EXIT",False); if (resource_info->debug) { (void) fprintf(stderr,"Protocols:\n"); (void) fprintf(stderr," Window Manager: 0x%lx\n", windows->wm_protocols); (void) fprintf(stderr," delete window: 0x%lx\n", windows->wm_delete_window); (void) fprintf(stderr," take focus: 0x%lx\n", windows->wm_take_focus); (void) fprintf(stderr," ImageMagick: 0x%lx\n", windows->im_protocols); (void) fprintf(stderr," update widget: 0x%lx\n", windows->im_update_widget); (void) fprintf(stderr," update colormap: 0x%lx\n", windows->im_update_colormap); (void) fprintf(stderr," former image: 0x%lx\n", windows->im_former_image); (void) fprintf(stderr," next image: 0x%lx\n", windows->im_next_image); (void) fprintf(stderr," retain colors: 0x%lx\n", windows->im_retain_colors); (void) fprintf(stderr," exit: 0x%lx\n",windows->im_exit); } /* Allocate class and manager hints. */ class_hints=XAllocClassHint(); manager_hints=XAllocWMHints(); if ((class_hints == (XClassHint *) NULL) || (manager_hints == (XWMHints *) NULL)) Error("Unable to allocate X hints",(char *) NULL); /* Determine group leader if we have one. */ root_window=XRootWindow(display,visual_info->screen); windows->group_leader.id=(Window) NULL; if (resource_info->window_group != (char *) NULL) { if (isdigit(*resource_info->window_group)) windows->group_leader.id=XWindowByID(display,root_window,(Window) strtol((char *) resource_info->window_group,(char **) NULL,0)); if (windows->group_leader.id == (Window) NULL) windows->group_leader.id= XWindowByName(display,root_window,resource_info->window_group); } /* Initialize window id's. */ number_windows=0; magick_windows[number_windows++]=(&windows->icon); magick_windows[number_windows++]=(&windows->backdrop); magick_windows[number_windows++]=(&windows->image); magick_windows[number_windows++]=(&windows->info); magick_windows[number_windows++]=(&windows->command); magick_windows[number_windows++]=(&windows->widget); magick_windows[number_windows++]=(&windows->popup); magick_windows[number_windows++]=(&windows->magnify); magick_windows[number_windows++]=(&windows->pan); for (i=0; i < number_windows; i++) magick_windows[i]->id=(Window) NULL; vid_info.x=0; vid_info.y=0; } /* Initialize Standard Colormap. */ loaded_image=(Image *) NULL; displayed_image=(*image); if (resource_info->debug) { (void) fprintf(stderr,"Image: %s[%u] %ux%u ",displayed_image->filename, displayed_image->scene,displayed_image->columns,displayed_image->rows); if (displayed_image->colors != 0) (void) fprintf(stderr,"%uc ",displayed_image->colors); (void) fprintf(stderr,"%s\n",displayed_image->magick); } XMakeStandardColormap(display,visual_info,resource_info,displayed_image, map_info,&pixel_info); /* Initialize font info. */ if (font_info != (XFontStruct *) NULL) XFreeFont(display,font_info); font_info=XBestFont(display,resource_info,False); if (font_info == (XFontStruct *) NULL) Error("Unable to load font",resource_info->font); /* Initialize graphic context. */ windows->context.id=(Window) NULL; XGetWindowInfo(display,visual_info,map_info,&pixel_info,font_info, resource_info,&windows->context); class_hints->res_name="superclass"; class_hints->res_class="Display"; manager_hints->flags=InputHint | StateHint; manager_hints->input=False; manager_hints->initial_state=WithdrawnState; XMakeWindow(display,root_window,argv,argc,class_hints,manager_hints, &windows->context); if (resource_info->debug) (void) fprintf(stderr,"Window id: 0x%lx (context)\n",windows->context.id); context_values.background=pixel_info.background_color.pixel; context_values.font=font_info->fid; context_values.foreground=pixel_info.foreground_color.pixel; context_values.graphics_exposures=False; context_mask=GCBackground | GCFont | GCForeground | GCGraphicsExposures; if (pixel_info.annotate_context != (GC) NULL) XFreeGC(display,pixel_info.annotate_context); pixel_info.annotate_context= XCreateGC(display,windows->context.id,context_mask,&context_values); if (pixel_info.annotate_context == (GC) NULL) Error("Unable to create graphic context",(char *) NULL); context_values.background=pixel_info.depth_color.pixel; if (pixel_info.widget_context != (GC) NULL) XFreeGC(display,pixel_info.widget_context); pixel_info.widget_context= XCreateGC(display,windows->context.id,context_mask,&context_values); if (pixel_info.widget_context == (GC) NULL) Error("Unable to create graphic context",(char *) NULL); context_values.background=pixel_info.foreground_color.pixel; context_values.foreground=pixel_info.background_color.pixel; context_values.plane_mask= context_values.background ^ context_values.foreground; if (pixel_info.highlight_context != (GC) NULL) XFreeGC(display,pixel_info.highlight_context); pixel_info.highlight_context=XCreateGC(display,windows->context.id, context_mask | GCPlaneMask,&context_values); if (pixel_info.highlight_context == (GC) NULL) Error("Unable to create graphic context",(char *) NULL); XDestroyWindow(display,windows->context.id); /* Initialize icon window. */ XGetWindowInfo(display,icon_visual,icon_map,&icon_pixel,(XFontStruct *) NULL, &icon_resources,&windows->icon); windows->icon.geometry=resource_info->icon_geometry; XBestIconSize(display,&windows->icon,displayed_image); windows->icon.attributes.colormap= XDefaultColormap(display,icon_visual->screen); windows->icon.attributes.event_mask=ExposureMask | StructureNotifyMask; class_hints->res_name="icon"; manager_hints->flags=InputHint | StateHint; manager_hints->input=False; manager_hints->initial_state=IconicState; XMakeWindow(display,root_window,argv,argc,class_hints,manager_hints, &windows->icon); if (resource_info->debug) (void) fprintf(stderr,"Window id: 0x%lx (icon)\n",windows->icon.id); /* Initialize graphic context for icon window. */ if (icon_pixel.annotate_context != (GC) NULL) XFreeGC(display,icon_pixel.annotate_context); context_values.background=icon_pixel.background_color.pixel; context_values.foreground=icon_pixel.foreground_color.pixel; icon_pixel.annotate_context=XCreateGC(display,windows->icon.id, GCBackground | GCForeground,&context_values); if (icon_pixel.annotate_context == (GC) NULL) Error("Unable to create graphic context",(char *) NULL); windows->icon.annotate_context=icon_pixel.annotate_context; /* Initialize Image window. */ if (windows->image.id != (Window) NULL) { free((char *) windows->image.name); free((char *) windows->image.icon_name); } XGetWindowInfo(display,visual_info,map_info,&pixel_info,font_info, resource_info,&windows->image); windows->image.name=(char *) malloc(MaxTextLength*sizeof(char)); windows->image.icon_name=(char *) malloc(MaxTextLength*sizeof(char)); if ((windows->image.name == NULL) || (windows->image.icon_name == NULL)) Error("Unable to create Image window","Memory allocation failed"); if ((resource_info->title != (char *) NULL) && !(*state & MontageImageState)) { /* User specified window name. */ (void) strcpy(windows->image.name,resource_info->title); (void) strcpy(windows->image.icon_name,resource_info->title); } else { char *p; /* Window name is the base of the filename. */ p=displayed_image->filename+strlen(displayed_image->filename)-1; while ((p > displayed_image->filename) && (*(p-1) != *BasenameSeparator)) p--; (void) sprintf(windows->image.name,"ImageMagick: %s[%u]",p, displayed_image->scene); if ((displayed_image->previous == (Image *) NULL) && (displayed_image->next == (Image *) NULL) && (displayed_image->scene == 0)) (void) sprintf(windows->image.name,"ImageMagick: %s",p); (void) strcpy(windows->image.icon_name,p); } if (resource_info->immutable) windows->image.immutable=True; windows->image.geometry=resource_info->image_geometry; windows->image.width=displayed_image->columns; if (windows->image.width > XDisplayWidth(display,visual_info->screen)) windows->image.width=XDisplayWidth(display,visual_info->screen); windows->image.height=displayed_image->rows; if (windows->image.height > XDisplayHeight(display,visual_info->screen)) windows->image.height=XDisplayHeight(display,visual_info->screen); windows->image.attributes.event_mask=ButtonMotionMask | ButtonPressMask | ButtonReleaseMask | EnterWindowMask | ExposureMask | KeyPressMask | KeyReleaseMask | LeaveWindowMask | OwnerGrabButtonMask | StructureNotifyMask; XGetWindowInfo(display,visual_info,map_info,&pixel_info,font_info, resource_info,&windows->backdrop); if ((resource_info->backdrop) || (windows->backdrop.id != (Window) NULL)) { /* Initialize backdrop window. */ windows->backdrop.x=0; windows->backdrop.y=0; windows->backdrop.name="ImageMagick Backdrop"; windows->backdrop.flags=USSize | USPosition; windows->backdrop.width=XDisplayWidth(display,visual_info->screen); windows->backdrop.height=XDisplayHeight(display,visual_info->screen); windows->backdrop.border_width=0; windows->backdrop.immutable=True; windows->backdrop.attributes.do_not_propagate_mask=ButtonPressMask | ButtonReleaseMask; windows->backdrop.attributes.event_mask=ButtonPressMask | KeyPressMask | StructureNotifyMask; windows->backdrop.attributes.override_redirect=True; class_hints->res_name="backdrop"; manager_hints->flags=IconWindowHint | InputHint | StateHint; manager_hints->icon_window=windows->icon.id; manager_hints->input=True; manager_hints->initial_state= resource_info->iconic ? IconicState : NormalState; XMakeWindow(display,root_window,argv,argc,class_hints,manager_hints, &windows->backdrop); if (resource_info->debug) (void) fprintf(stderr,"Window id: 0x%lx (backdrop)\n", windows->backdrop.id); XMapWindow(display,windows->backdrop.id); XClearWindow(display,windows->backdrop.id); if (windows->image.id != (Window) NULL) { XDestroyWindow(display,windows->image.id); windows->image.id=(Window) NULL; } /* Position image in the center the backdrop. */ windows->image.flags|=USPosition; windows->image.x=(XDisplayWidth(display,visual_info->screen) >> 1)- (windows->image.width >> 1); windows->image.y=(XDisplayHeight(display,visual_info->screen) >> 1)- (windows->image.height >> 1); } if (resource_info->name == (char *) NULL) class_hints->res_name=client_name; else class_hints->res_name=resource_info->name; manager_hints->flags=IconWindowHint | InputHint | StateHint; manager_hints->icon_window=windows->icon.id; manager_hints->input=True; manager_hints->initial_state= resource_info->iconic ? IconicState : NormalState; if (windows->group_leader.id != (Window) NULL) { /* Follow the leader. */ manager_hints->flags|=WindowGroupHint; manager_hints->window_group=windows->group_leader.id; XSelectInput(display,windows->group_leader.id,StructureNotifyMask); if (resource_info->debug) (void) fprintf(stderr,"Window id: 0x%lx (group leader)\n", windows->group_leader.id); } XMakeWindow(display, (Window) (resource_info->backdrop ? windows->backdrop.id : root_window), argv,argc,class_hints,manager_hints,&windows->image); if (windows->group_leader.id != (Window) NULL) XSetTransientForHint(display,windows->image.id,windows->group_leader.id); if (resource_info->debug) (void) fprintf(stderr,"Window id: 0x%lx (image)\n",windows->image.id); /* Initialize X image structure. */ windows->image.x=0; windows->image.y=0; status=XMakeImage(display,resource_info,&windows->image,displayed_image, displayed_image->columns,displayed_image->rows); if (status == False) Error("Unable to create X image",(char *) NULL); if (resource_info->use_pixmap) (void) XMakePixmap(display,resource_info,&windows->image); if (!windows->image.mapped || (windows->backdrop.id != (Window) NULL)) XMapWindow(display,windows->image.id); if (windows->image.mapped) XRefreshWindow(display,&windows->image,(XEvent *) NULL); /* Initialize Info widget. */ XGetWindowInfo(display,visual_info,map_info,&pixel_info,font_info, resource_info,&windows->info); windows->info.name="Info"; windows->info.border_width=1; windows->info.x=2; windows->info.y=2; windows->info.flags|=PPosition; windows->info.attributes.save_under=True; windows->info.attributes.win_gravity=UnmapGravity; windows->info.attributes.event_mask= ButtonPressMask | ExposureMask | StructureNotifyMask; class_hints->res_name="info"; manager_hints->flags=InputHint | StateHint | WindowGroupHint; manager_hints->input=False; manager_hints->initial_state=NormalState; manager_hints->window_group=windows->image.id; XMakeWindow(display,windows->image.id,argv,argc,class_hints,manager_hints, &windows->info); XSetTransientForHint(display,windows->info.id,windows->image.id); if (windows->image.mapped) XWithdrawWindow(display,windows->info.id,windows->info.screen); if (resource_info->debug) (void) fprintf(stderr,"Window id: 0x%lx (info)\n",windows->info.id); /* Initialize Command widget. */ XGetWindowInfo(display,visual_info,map_info,&pixel_info,font_info, resource_info,&windows->command); windows->command.data=MagickMenus; (void) XCommandWidget(display,windows,CommandMenu,(XEvent *) NULL); (void) sprintf(resource_name,"%s.command",client_name); windows->command.geometry=XGetResourceClass(resource_info->resource_database, resource_name,"geometry",(char *) NULL); windows->command.name=MagickTitle; windows->command.border_width=0; windows->command.flags|=PPosition; windows->command.attributes.backing_store=WhenMapped; windows->command.attributes.save_under=True; windows->command.attributes.event_mask=ButtonMotionMask | ButtonPressMask | ButtonReleaseMask | EnterWindowMask | ExposureMask | LeaveWindowMask | OwnerGrabButtonMask | StructureNotifyMask; class_hints->res_name="command"; manager_hints->flags=InputHint | StateHint | WindowGroupHint; manager_hints->input=False; manager_hints->initial_state=NormalState; manager_hints->window_group=windows->image.id; XMakeWindow(display,root_window,argv,argc,class_hints,manager_hints, &windows->command); windows->command.highlight_stipple=XCreateBitmapFromData(display, windows->command.id,(char *) HighlightBitmap,8,8); windows->command.shadow_stipple=XCreateBitmapFromData(display, windows->command.id,(char *) ShadowBitmap,8,8); XSetTransientForHint(display,windows->command.id,windows->image.id); if (windows->command.mapped) XMapRaised(display,windows->command.id); if (resource_info->debug) (void) fprintf(stderr,"Window id: 0x%lx (command)\n",windows->command.id); /* Initialize widget window. */ if (windows->widget.id != (Window) NULL) free((char *) windows->widget.name); XGetWindowInfo(display,visual_info,map_info,&pixel_info,font_info, resource_info,&windows->widget); windows->widget.name=(char *) malloc(MaxTextLength*sizeof(char)); if (windows->widget.name == NULL) Error("Unable to create Image window","Memory allocation failed"); *windows->widget.name='\0'; windows->widget.border_width=0; windows->widget.flags|=PPosition; windows->widget.attributes.backing_store=WhenMapped; windows->widget.attributes.save_under=True; windows->widget.attributes.event_mask=ButtonMotionMask | ButtonPressMask | ButtonReleaseMask | EnterWindowMask | ExposureMask | KeyPressMask | KeyReleaseMask | LeaveWindowMask | StructureNotifyMask; class_hints->res_name="widget"; manager_hints->flags=InputHint | StateHint | WindowGroupHint; manager_hints->input=True; manager_hints->initial_state=NormalState; manager_hints->window_group=windows->image.id; XMakeWindow(display,root_window,argv,argc,class_hints,manager_hints, &windows->widget); windows->widget.highlight_stipple=windows->command.highlight_stipple; windows->widget.shadow_stipple=windows->command.shadow_stipple; XSetTransientForHint(display,windows->widget.id,windows->image.id); if (resource_info->debug) (void) fprintf(stderr,"Window id: 0x%lx (widget)\n",windows->widget.id); /* Initialize popup window. */ if (windows->popup.id != (Window) NULL) free((char *) windows->popup.name); XGetWindowInfo(display,visual_info,map_info,&pixel_info,font_info, resource_info,&windows->popup); windows->popup.name=(char *) malloc(MaxTextLength*sizeof(char)); if (windows->popup.name == NULL) Error("Unable to create Image window","Memory allocation failed"); *windows->popup.name='\0'; windows->popup.border_width=0; windows->popup.flags|=PPosition; windows->popup.attributes.backing_store=WhenMapped; windows->popup.attributes.save_under=True; windows->popup.attributes.event_mask=ButtonMotionMask | ButtonPressMask | ButtonReleaseMask | EnterWindowMask | ExposureMask | KeyPressMask | KeyReleaseMask | LeaveWindowMask | StructureNotifyMask; class_hints->res_name="popup"; manager_hints->flags=InputHint | StateHint | WindowGroupHint; manager_hints->input=True; manager_hints->initial_state=NormalState; manager_hints->window_group=windows->image.id; XMakeWindow(display,root_window,argv,argc,class_hints,manager_hints, &windows->popup); windows->popup.highlight_stipple=windows->command.highlight_stipple; windows->popup.shadow_stipple=windows->command.shadow_stipple; XSetTransientForHint(display,windows->popup.id,windows->image.id); if (resource_info->debug) (void) fprintf(stderr,"Window id: 0x%lx (pop up)\n",windows->popup.id); /* Initialize Magnify window and cursor. */ if (windows->magnify.id != (Window) NULL) free((char *) windows->magnify.name); XGetWindowInfo(display,visual_info,map_info,&pixel_info,font_info, resource_info,&windows->magnify); (void) sprintf(resource_name,"%s.magnify",client_name); windows->magnify.geometry=XGetResourceClass(resource_info->resource_database, resource_name,"geometry",(char *) NULL); windows->magnify.name=(char *) malloc(MaxTextLength*sizeof(char)); if (windows->magnify.name == NULL) Error("Unable to create Magnify window","Memory allocation failed"); (void) sprintf(windows->magnify.name,"Magnify %uX",resource_info->magnify); windows->magnify.cursor=XMakeCursor(display,windows->image.id, map_info->colormap,resource_info->background_color, resource_info->foreground_color); if (windows->magnify.cursor == (Cursor) NULL) Error("Unable to create cursor",(char *) NULL); windows->magnify.width=MagnifySize; windows->magnify.height=MagnifySize; windows->magnify.flags|=PPosition; windows->magnify.min_width=MagnifySize; windows->magnify.min_height=MagnifySize; windows->magnify.width_inc=MagnifySize; windows->magnify.height_inc=MagnifySize; windows->magnify.data=resource_info->magnify; windows->magnify.attributes.save_under=True; windows->magnify.attributes.cursor=windows->magnify.cursor; windows->magnify.attributes.event_mask=ButtonPressMask | ButtonReleaseMask | ExposureMask | KeyPressMask | KeyReleaseMask | OwnerGrabButtonMask | StructureNotifyMask; class_hints->res_name="magnify"; manager_hints->flags=InputHint | StateHint | WindowGroupHint; manager_hints->input=True; manager_hints->initial_state=NormalState; manager_hints->window_group=windows->image.id; XMakeWindow(display,root_window,argv,argc,class_hints,manager_hints, &windows->magnify); if (resource_info->debug) (void) fprintf(stderr,"Window id: 0x%lx (magnify)\n",windows->magnify.id); XSetTransientForHint(display,windows->magnify.id,windows->image.id); if (windows->magnify.mapped) XMapRaised(display,windows->magnify.id); /* Initialize panning window. */ XGetWindowInfo(display,visual_info,map_info,&pixel_info,font_info, resource_info,&windows->pan); windows->pan.name="Pan Icon"; XBestIconSize(display,&windows->pan,displayed_image); while ((windows->pan.width < MinPanSize) && (windows->pan.height < MinPanSize)) { windows->pan.width<<=1; windows->pan.height<<=1; } (void) sprintf(resource_name,"%s.pan",client_name); windows->pan.geometry=XGetResourceClass(resource_info->resource_database, resource_name,"geometry",(char *) NULL); if (windows->pan.geometry != (char *) NULL) ParseImageGeometry(windows->pan.geometry,&windows->pan.width, &windows->pan.height); windows->pan.flags|=PPosition; windows->pan.immutable=True; windows->pan.attributes.save_under=True; windows->pan.attributes.event_mask=ButtonMotionMask | ButtonPressMask | ButtonReleaseMask | ExposureMask | KeyPressMask | KeyReleaseMask | StructureNotifyMask; class_hints->res_name="pan"; manager_hints->flags=InputHint | StateHint | WindowGroupHint; manager_hints->input=True; manager_hints->initial_state=NormalState; manager_hints->window_group=windows->image.id; XMakeWindow(display,root_window,argv,argc,class_hints,manager_hints, &windows->pan); if (resource_info->debug) (void) fprintf(stderr,"Window id: 0x%lx (pan)\n",windows->pan.id); XSetTransientForHint(display,windows->pan.id,windows->image.id); if (windows->image.mapped) if ((windows->image.width < windows->image.ximage->width) || (windows->image.height < windows->image.ximage->height)) XMapRaised(display,windows->pan.id); /* Respond to events. */ SetWarningHandler(XWarning); timer=time((time_t *) NULL)+resource_info->delay; update_time=0; if (resource_info->update) { /* Determine when file data was last modified. */ status=stat(displayed_image->filename,&file_info); if (status == 0) update_time=file_info.st_mtime; } *state&=(~FormerImageState); *state&=(~MontageImageState); *state&=(~NextImageState); do { /* Handle a window event. */ if (resource_info->delay != 0) { if (timer < time((time_t *) NULL)) if (!resource_info->update) *state|=NextImageState | ExitState; else { /* Determine if image file was modified. */ status=stat(displayed_image->filename,&file_info); if (status == 0) if (update_time != file_info.st_mtime) { /* Redisplay image. */ loaded_image=ReadImage(resource_info->image_info); if (loaded_image != (Image *) NULL) *state|=NextImageState | ExitState; } timer=time((time_t *) NULL)+resource_info->delay; } if (XEventsQueued(display,QueuedAfterFlush) == 0) { /* Do not block if delay > 0. */ XDelay(display,SuspendTime << 2); continue; } } time_stamp=time((time_t *) NULL); XNextEvent(display,&event); if (!windows->image.stasis) windows->image.stasis=(time((time_t *) NULL)-time_stamp) > 0; if (event.xany.window == windows->command.id) { /* Select a command from the Command widget. */ id=XCommandWidget(display,windows,CommandMenu,&event); if (id < 0) continue; (void) strcpy(command,CommandMenu[id]); key_symbol=CommandKeys[id]; if (id < MagickMenus) { /* Select a command from a pop-up menu. */ entry=XMenuWidget(display,windows,CommandMenu[id],Menus[id], command); if (entry < 0) continue; (void) strcpy(command,Menus[id][entry]); key_symbol=Keys[id][entry]; } if (key_symbol != XK_VoidSymbol) loaded_image=XMagickCommand(display,resource_info,windows,0, key_symbol,&displayed_image); continue; } switch (event.type) { case ButtonPress: { if (resource_info->debug) (void) fprintf(stderr,"Button Press: 0x%lx %u +%d+%d\n", event.xbutton.window,event.xbutton.button,event.xbutton.x, event.xbutton.y); if ((event.xbutton.button == Button3) && (event.xbutton.state & Mod1Mask)) { /* Convert Alt-Button3 to Button2. */ event.xbutton.button=Button2; event.xbutton.state&=(~Mod1Mask); } if (resource_info->immutable) { /* Select a command from the Immutable menu. */ entry=XMenuWidget(display,windows,"Commands",ImmutableMenu,command); if (entry >= 0) loaded_image=XMagickCommand(display,resource_info,windows,0, ImmutableKeys[entry],&displayed_image); break; } if (event.xbutton.window == windows->backdrop.id) { XSetInputFocus(display,event.xbutton.window,RevertToParent, event.xbutton.time); break; } if (event.xbutton.window == windows->image.id) { switch (event.xbutton.button) { case Button1: { /* Map/unmap Command widget. */ if (windows->command.mapped) XWithdrawWindow(display,windows->command.id, windows->command.screen); else { (void) XCommandWidget(display,windows,CommandMenu, (XEvent *) NULL); XMapRaised(display,windows->command.id); } break; } case Button2: { /* User pressed the image magnify button. */ if (windows->magnify.mapped) XRaiseWindow(display,windows->magnify.id); else { /* Make magnify image. */ XSetCursorState(display,windows,True); status=XMakeImage(display,resource_info,&windows->magnify, displayed_image,windows->magnify.width, windows->magnify.height); status|= XMakePixmap(display,resource_info,&windows->magnify); if (status == False) Error("Unable to create magnify image",(char *) NULL); XMapRaised(display,windows->magnify.id); XSetCursorState(display,windows,False); } XMagnifyImage(display,windows,&event); break; } case Button3: { if (displayed_image->montage != (char *) NULL) { /* Load or delete a tile from a visual image directory. */ loaded_image=XTileImage(display,resource_info,windows, displayed_image,&event); if (loaded_image != (Image *) NULL) *state|=MontageImageState | NextImageState | ExitState; vid_info.x=windows->image.x; vid_info.y=windows->image.y; break; } /* Select a command from the Short Cuts menu. */ entry=XMenuWidget(display,windows,"Short Cuts",ShortCutsMenu, command); if (entry >= 0) loaded_image=XMagickCommand(display,resource_info,windows,0, ShortCutsKeys[entry],&displayed_image); break; } default: break; } break; } if (event.xbutton.window == windows->magnify.id) { char command[MaxTextLength]; int factor; static char *MagnifyMenu[]= { "2", "4", "5", "6", "7", "8", "9", "3", (char *) NULL, }; static KeySym MagnifyKeys[]= { XK_2, XK_4, XK_5, XK_6, XK_7, XK_8, XK_9, XK_3 }; /* Select a magnify factor from the pop-up menu. */ factor=XMenuWidget(display,windows,"Magnify",MagnifyMenu,command); if (factor >= 0) XMagnifyWindowCommand(display,windows,MagnifyKeys[factor]); break; } if (event.xbutton.window == windows->pan.id) { XPanImage(display,windows,&event); break; } timer=time((time_t *) NULL)+resource_info->delay; break; } case ButtonRelease: break; case ClientMessage: { if (resource_info->debug) (void) fprintf(stderr,"Client Message: 0x%lx 0x%lx %d 0x%lx\n", event.xclient.window,event.xclient.message_type, event.xclient.format,event.xclient.data.l[0]); if (event.xclient.message_type == windows->im_protocols) { if (*event.xclient.data.l == windows->im_update_widget) { windows->command.name=MagickTitle; windows->command.data=MagickMenus; (void) XCommandWidget(display,windows,CommandMenu, (XEvent *) NULL); break; } if (*event.xclient.data.l == windows->im_update_colormap) { /* Update graphic context and window colormap. */ for (i=0; i < number_windows; i++) { if (magick_windows[i]->id == windows->icon.id) continue; context_values.background=pixel_info.background_color.pixel; context_values.foreground=pixel_info.foreground_color.pixel; XChangeGC(display,magick_windows[i]->annotate_context, context_mask,&context_values); XChangeGC(display,magick_windows[i]->widget_context, context_mask,&context_values); context_values.background=pixel_info.foreground_color.pixel; context_values.foreground=pixel_info.background_color.pixel; context_values.plane_mask= context_values.background ^ context_values.foreground; XChangeGC(display,magick_windows[i]->highlight_context, context_mask | GCPlaneMask,&context_values); magick_windows[i]->attributes.background_pixel= pixel_info.background_color.pixel; magick_windows[i]->attributes.border_pixel= pixel_info.border_color.pixel; magick_windows[i]->attributes.colormap=map_info->colormap; XChangeWindowAttributes(display,magick_windows[i]->id, magick_windows[i]->mask,&magick_windows[i]->attributes); } if (windows->pan.mapped) { XSetWindowBackgroundPixmap(display,windows->pan.id, windows->pan.pixmap); XClearWindow(display,windows->pan.id); XDrawPanRectangle(display,windows); } if (windows->backdrop.id != (Window) NULL) XInstallColormap(display,map_info->colormap); break; } if (*event.xclient.data.l == windows->im_former_image) { *state|=FormerImageState | ExitState; break; } if (*event.xclient.data.l == windows->im_next_image) { *state|=NextImageState | ExitState; break; } if (*event.xclient.data.l == windows->im_retain_colors) { *state|=RetainColorsState; break; } if (*event.xclient.data.l == windows->im_exit) { *state|=ExitState; break; } break; } /* If client window delete message, exit. */ if (event.xclient.message_type != windows->wm_protocols) break; if (*event.xclient.data.l != windows->wm_delete_window) break; XWithdrawWindow(display,event.xclient.window,visual_info->screen); if (event.xclient.window == windows->image.id) { *state|=ExitState; break; } if (event.xclient.window == windows->pan.id) { /* Restore original image size when pan window is deleted. */ windows->image.window_changes.width=windows->image.ximage->width; windows->image.window_changes.height=windows->image.ximage->height; (void) XConfigureImage(display,resource_info,windows, displayed_image); } break; } case ConfigureNotify: { if (resource_info->debug) (void) fprintf(stderr,"Configure Notify: 0x%lx %dx%d+%d+%d %d\n", event.xconfigure.window,event.xconfigure.width, event.xconfigure.height,event.xconfigure.x,event.xconfigure.y, event.xconfigure.send_event); if (event.xconfigure.window == windows->image.id) { /* Image window has a new configuration. */ if (event.xconfigure.send_event != 0) { XWindowChanges window_changes; /* Position the transient windows relative of the Image window. */ if (windows->command.geometry == (char *) NULL) if (!windows->command.mapped) { windows->command.x= event.xconfigure.x-windows->command.width-25; windows->command.y=event.xconfigure.y; XConstrainWindowPosition(display,&windows->command); window_changes.x=windows->command.x; window_changes.y=windows->command.y; XReconfigureWMWindow(display,windows->command.id, windows->command.screen,CWX | CWY,&window_changes); } if (windows->magnify.geometry == (char *) NULL) if (!windows->magnify.mapped) { windows->magnify.x= event.xconfigure.x+event.xconfigure.width+25; windows->magnify.y=event.xconfigure.y; XConstrainWindowPosition(display,&windows->magnify); window_changes.x=windows->magnify.x; window_changes.y=windows->magnify.y; XReconfigureWMWindow(display,windows->magnify.id, windows->magnify.screen,CWX | CWY,&window_changes); } if (windows->pan.geometry == (char *) NULL) if (!windows->pan.mapped) { windows->pan.x= event.xconfigure.x+event.xconfigure.width+25; windows->pan.y= event.xconfigure.y+windows->magnify.height+50; XConstrainWindowPosition(display,&windows->pan); window_changes.x=windows->pan.x; window_changes.y=windows->pan.y; XReconfigureWMWindow(display,windows->pan.id, windows->pan.screen,CWX | CWY,&window_changes); } } if ((event.xconfigure.width == windows->image.width) && (event.xconfigure.height == windows->image.height)) { if (windows->image.mapped && windows->image.stasis) XRefreshWindow(display,&windows->image,(XEvent *) NULL); break; } windows->image.width=event.xconfigure.width; windows->image.height=event.xconfigure.height; windows->image.x=0; windows->image.y=0; if (displayed_image->montage != (char *) NULL) { windows->image.x=vid_info.x; windows->image.y=vid_info.y; } if (windows->image.mapped && windows->image.stasis) { /* Update Image window configuration. */ windows->image.window_changes.width=event.xconfigure.width; windows->image.window_changes.height=event.xconfigure.height; (void) XConfigureImage(display,resource_info,windows, displayed_image); } if ((event.xconfigure.width < windows->image.ximage->width) || (event.xconfigure.height < windows->image.ximage->height)) { XMapRaised(display,windows->pan.id); XDrawPanRectangle(display,windows); } else if (windows->pan.mapped) XWithdrawWindow(display,windows->pan.id,windows->pan.screen); break; } if (event.xconfigure.window == windows->magnify.id) { unsigned int magnify; /* Magnify window has a new configuration. */ windows->magnify.width=event.xconfigure.width; windows->magnify.height=event.xconfigure.height; if (!windows->magnify.mapped) break; magnify=1; while (magnify <= event.xconfigure.width) magnify<<=1; while (magnify <= event.xconfigure.height) magnify<<=1; magnify>>=1; if ((magnify != event.xconfigure.width) || (magnify != event.xconfigure.height)) { window_changes.width=magnify; window_changes.height=magnify; XReconfigureWMWindow(display,windows->magnify.id, windows->magnify.screen,CWWidth | CWHeight,&window_changes); break; } status=XMakeImage(display,resource_info,&windows->magnify, displayed_image,windows->magnify.width,windows->magnify.height); status|=XMakePixmap(display,resource_info,&windows->magnify); if (status == False) Error("Unable to create magnify image",(char *) NULL); XMakeMagnifyImage(display,windows); break; } if (event.xconfigure.window == windows->pan.id) { /* Pan icon window has a new configuration. */ if (event.xconfigure.send_event != 0) { windows->pan.x=event.xconfigure.x; windows->pan.y=event.xconfigure.y; } windows->pan.width=event.xconfigure.width; windows->pan.height=event.xconfigure.height; break; } if (event.xconfigure.window == windows->icon.id) { /* Icon window has a new configuration. */ windows->icon.width=event.xconfigure.width; windows->icon.height=event.xconfigure.height; break; } break; } case DestroyNotify: { /* Group leader has exited. */ if (event.xdestroywindow.window == windows->group_leader.id) { *state|=ExitState; break; } break; } case EnterNotify: { /* Selectively install colormap. */ if (map_info->colormap != XDefaultColormap(display,visual_info->screen)) if (event.xcrossing.mode != NotifyUngrab) XInductColormap(display,map_info->colormap); break; } case Expose: { if (resource_info->debug) (void) fprintf(stderr,"Expose: 0x%lx %dx%d+%d+%d\n", event.xexpose.window,event.xexpose.width,event.xexpose.height, event.xexpose.x,event.xexpose.y); /* Refresh windows that are now exposed. */ if (event.xexpose.window == windows->image.id) if (windows->image.mapped) { XRefreshWindow(display,&windows->image,&event); timer=time((time_t *) NULL)+resource_info->delay; break; } if (event.xexpose.window == windows->magnify.id) if (event.xexpose.count == 0) if (windows->magnify.mapped) { XMakeMagnifyImage(display,windows); break; } if (event.xexpose.window == windows->pan.id) if (event.xexpose.count == 0) { XDrawPanRectangle(display,windows); break; } if (event.xexpose.window == windows->icon.id) if (event.xexpose.count == 0) { XRefreshWindow(display,&windows->icon,&event); break; } break; } case KeyPress: { int length; /* Respond to a user key press. */ length=XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); *(command+length)='\0'; if (resource_info->debug) (void) fprintf(stderr,"Key press: 0x%lx (%s)\n",key_symbol,command); if (resource_info->immutable) { if ((key_symbol != XK_q) && (key_symbol != XK_i)) XBell(display,0); else (void) XMagickCommand(display,resource_info,windows,0,key_symbol, &displayed_image); break; } if (event.xkey.window == windows->image.id) loaded_image=XMagickCommand(display,resource_info,windows, event.xkey.state,key_symbol,&displayed_image); if (event.xkey.window == windows->magnify.id) XMagnifyWindowCommand(display,windows,key_symbol); if (event.xkey.window == windows->pan.id) if (key_symbol == XK_q) XWithdrawWindow(display,windows->pan.id,windows->pan.screen); else if ((key_symbol == XK_F1) || (key_symbol == XK_Help)) XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Panning",ImagePanHelp); else XTranslateImage(display,windows,*image,key_symbol); timer=time((time_t *) NULL)+resource_info->delay; break; } case KeyRelease: { /* Respond to a user key release. */ (void) XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); if (resource_info->debug) (void) fprintf(stderr,"Key release: 0x%lx (%c)\n",key_symbol, *command); break; } case LeaveNotify: { /* Selectively uninstall colormap. */ if (map_info->colormap != XDefaultColormap(display,visual_info->screen)) if (event.xcrossing.mode != NotifyUngrab) XUninductColormap(display,map_info->colormap); break; } case MapNotify: { if (resource_info->debug) (void) fprintf(stderr,"Map Notify: 0x%lx\n",event.xmap.window); if (event.xmap.window == windows->backdrop.id) { XSetInputFocus(display,event.xmap.window,RevertToParent, CurrentTime); windows->backdrop.mapped=True; break; } if (event.xmap.window == windows->image.id) { if (windows->backdrop.id != (Window) NULL) XInstallColormap(display,map_info->colormap); if (strcmp(displayed_image->magick,"LOGO") == 0) loaded_image=XLoadImage(display,resource_info,windows,False); if ((windows->image.width < windows->image.ximage->width) || (windows->image.height < windows->image.ximage->height)) XMapRaised(display,windows->pan.id); windows->image.mapped=True; break; } if (event.xmap.window == windows->magnify.id) { XMakeMagnifyImage(display,windows); windows->magnify.mapped=True; break; } if (event.xmap.window == windows->pan.id) { XMakePanImage(display,resource_info,windows,displayed_image); windows->pan.mapped=True; break; } if (event.xmap.window == windows->info.id) { windows->info.mapped=True; break; } if (event.xmap.window == windows->icon.id) { /* Create an icon image. */ XMakeStandardColormap(display,icon_visual,&icon_resources, displayed_image,icon_map,&icon_pixel); (void) XMakeImage(display,&icon_resources,&windows->icon, displayed_image,windows->icon.width,windows->icon.height); (void) XMakePixmap(display,&icon_resources,&windows->icon); XSetWindowBackgroundPixmap(display,windows->icon.id, windows->icon.pixmap); XClearWindow(display,windows->icon.id); windows->icon.mapped=True; break; } if (event.xmap.window == windows->command.id) { windows->command.mapped=True; break; } if (event.xmap.window == windows->popup.id) { windows->popup.mapped=True; break; } if (event.xmap.window == windows->widget.id) { windows->widget.mapped=True; break; } break; } case MappingNotify: { XRefreshKeyboardMapping(&event.xmapping); break; } case NoExpose: break; case ReparentNotify: { if (resource_info->debug) (void) fprintf(stderr,"Reparent Notify: 0x%lx=>0x%lx\n", event.xreparent.parent,event.xreparent.window); break; } case UnmapNotify: { if (resource_info->debug) (void) fprintf(stderr,"Unmap Notify: 0x%lx\n",event.xunmap.window); if (event.xunmap.window == windows->backdrop.id) { windows->backdrop.mapped=False; break; } if (event.xunmap.window == windows->image.id) { windows->image.mapped=False; break; } if (event.xunmap.window == windows->magnify.id) { windows->magnify.mapped=False; break; } if (event.xunmap.window == windows->pan.id) { windows->pan.mapped=False; break; } if (event.xunmap.window == windows->info.id) { windows->info.mapped=False; break; } if (event.xunmap.window == windows->icon.id) { if (map_info->colormap == icon_map->colormap) XConfigureImageColormap(display,resource_info,windows, displayed_image); XFreeStandardColormap(display,icon_visual,icon_map,&icon_pixel); windows->icon.mapped=False; break; } if (event.xunmap.window == windows->command.id) { windows->command.mapped=False; break; } if (event.xunmap.window == windows->popup.id) { if (windows->backdrop.id != (Window) NULL) XSetInputFocus(display,windows->image.id,RevertToParent, CurrentTime); windows->popup.mapped=False; break; } if (event.xunmap.window == windows->widget.id) { if (windows->backdrop.id != (Window) NULL) XSetInputFocus(display,windows->image.id,RevertToParent, CurrentTime); windows->widget.mapped=False; break; } break; } default: { if (resource_info->debug) (void) fprintf(stderr,"Event type: %d\n",event.type); break; } } } while (!(*state & ExitState)); if ((*state & FormerImageState) || (*state & NextImageState)) *state&=(~ExitState); /* Withdraw pan and Magnify window. */ if (windows->pan.mapped) XWithdrawWindow(display,windows->pan.id,windows->pan.screen); if (windows->magnify.mapped) XWithdrawWindow(display,windows->magnify.id,windows->magnify.screen); if (windows->command.mapped) XWithdrawWindow(display,windows->command.id,windows->command.screen); if (!resource_info->backdrop) if (windows->backdrop.mapped) { XWithdrawWindow(display,windows->backdrop.id,windows->backdrop.screen); XDestroyWindow(display,windows->backdrop.id); windows->backdrop.id=(Window) NULL; XWithdrawWindow(display,windows->image.id,windows->image.screen); XDestroyWindow(display,windows->image.id); windows->image.id=(Window) NULL; } XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); if (!(*state & ExitState)) { if (resource_info->write_filename != (char *) NULL) (void) XMagickCommand(display,resource_info,windows,0,(KeySym) XK_A, &displayed_image); XInfoWidget(display,windows,LoadImageText); XCheckRefreshWindows(display,windows); } else { /* Destroy X windows. */ for (i=0; i < number_windows; i++) { if (magick_windows[i]->id != (Window) NULL) XDestroyWindow(display,magick_windows[i]->id); if (magick_windows[i]->ximage != (XImage *) NULL) XDestroyImage(magick_windows[i]->ximage); if (magick_windows[i]->pixmap != (Pixmap) NULL) XFreePixmap(display,magick_windows[i]->pixmap); } /* Free Standard Colormap. */ if (resource_info->map_type == (char *) NULL) XFreeStandardColormap(display,visual_info,map_info,&pixel_info); XFree((void *) class_hints); XFree((void *) manager_hints); XFree((void *) icon_visual); XFree((void *) visual_info); XFree((void *) icon_map); XFree((void *) map_info); free((char *) windows->popup.name); free((char *) windows->widget.name); free((char *) windows->magnify.name); free((char *) windows->image.icon_name); free((char *) windows->image.name); free((char *) windows); visual_info=(XVisualInfo *) NULL; if (copy_image != (Image *) NULL) DestroyImage(copy_image); } /* Change to home directory. */ (void) getcwd(working_directory,MaxTextLength-1); (void) chdir(resource_info->home_directory); *image=displayed_image; return(loaded_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X D r a w I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function _XDrawImage draws a line or rectangle on the image. % % The format of the _XDrawImage routine is: % % status=_XDrawImage(display,resource_info,windows,degrees,image) % % A description of each parameter follows: % % o status: Function _XDrawImage return True if the image is drawn % upon. False is returned is there is a memory shortage or if the % image cannot be drawn on. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o windows: Specifies a pointer to a XWindows structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % */ static unsigned int _XDrawImage(display,resource_info,windows,image) Display *display; XResourceInfo *resource_info; XWindows *windows; Image **image; { #define DrawImageText " Drawing image... " #define DrawModePrimitiveOp 0 #define DrawModeColorOp 1 #define DrawModeWidthOp 2 #define DrawModeUndoOp 3 #define DrawModeHelpOp 4 #define DrawModeDismissOp 5 #define Swap(x,y) ((x)^=(y), (y)^=(x), (x)^=(y)) static char *DrawModeMenu[]= { "Primitive", "Color", "Width", "Undo", "Help", "Dismiss", (char *) NULL }; char text[MaxTextLength]; Cursor cursor; double degrees; int id, x, y; RectangleInfo rectangle_info; register int i; static unsigned int pen_id = 0, primitive = LinePrimitive, line_width = 1; unsigned int distance, height, status, width; unsigned long state, x_factor, y_factor; XDrawInfo draw_info; XEvent event; XSegment line_info; /* Map Command widget. */ windows->command.name="Draw"; windows->command.data=3; (void) XCommandWidget(display,windows,DrawModeMenu,(XEvent *) NULL); XMapRaised(display,windows->command.id); XClientMessage(display,windows->image.id,windows->im_protocols, windows->im_update_widget,CurrentTime); /* Wait for first button press. */ status=True; cursor=XCreateFontCursor(display,XC_tcross); for ( ; ; ) { XQueryPosition(display,windows->image.id,&x,&y); XDefineCursor(display,windows->image.id,cursor); XSelectInput(display,windows->image.id, windows->image.attributes.event_mask | PointerMotionMask); state=DefaultState; do { if (windows->info.mapped) { /* Display pointer position. */ (void) sprintf(text," %+d%+d ",x-windows->image.x,y-windows->image.y); XInfoWidget(display,windows,text); } /* Wait for next event. */ XIfEvent(display,&event,XScreenEvent,(char *) windows); if (event.xany.window == windows->command.id) { /* Select a command from the Command widget. */ id=XCommandWidget(display,windows,DrawModeMenu,&event); if (id < 0) continue; switch (id) { case DrawModePrimitiveOp: { char command[MaxTextLength]; static char *Primitives[]= { "line", "rectangle", "fill rectangle", (char *) NULL, }; /* Select a command from the pop-up menu. */ primitive=XMenuWidget(display,windows,DrawModeMenu[id],Primitives, command); break; } case DrawModeColorOp: { char color_name[MaxTextLength], *ColorMenu[MaxNumberPens+1]; int pen_number; /* Initialize menu selections. */ for (i=0; i < MaxNumberPens; i++) ColorMenu[i]=resource_info->pen_color[i]; ColorMenu[MaxNumberPens-1]="Browser..."; ColorMenu[MaxNumberPens]=(char *) NULL; /* Select a pen color from the pop-up menu. */ pen_number=XMenuWidget(display,windows,DrawModeMenu[id],ColorMenu, color_name); if (pen_number == (MaxNumberPens-1)) { static char color_name[MaxTextLength] = "gray"; /* Select a pen color from a dialog. */ resource_info->pen_color[MaxNumberPens-1]=color_name; XColorBrowserWidget(display,windows,"Select",color_name); if (*color_name == '\0') break; } if (pen_number >= 0) { /* Set pen color. */ pen_id=pen_number; (void) strcpy(color_name,resource_info->pen_color[pen_id]); status=XParseColor(display,windows->image.map_info->colormap, color_name,&windows->image.pixel_info->pen_color[pen_id]); if (status == 0) XNoticeWidget(display,windows, "Color is unknown to X server",color_name); XBestPixel(display,windows->image.map_info->colormap, (XColor *) NULL,(unsigned int) Min(windows->image.visual_info->colormap_size,256), &windows->image.pixel_info->pen_color[pen_id]); } break; } case DrawModeWidthOp: { char command[MaxTextLength]; int entry; static char *WidthsMenu[]= { "1", "2", "4", "6", "8", (char *) NULL, (char *) NULL, }; /* Select a command from the pop-up menu. */ WidthsMenu[5]="Dialog..."; entry=XMenuWidget(display,windows,DrawModeMenu[id],WidthsMenu, command); if (entry < 0) break; if (entry != 5) line_width=atoi(WidthsMenu[entry]); else { (void) strcpy(command,"3"); XDialogWidget(display,windows,"Ok","Enter line width:", command); if (*command == '\0') break; line_width=atoi(command); } break; } case DrawModeUndoOp: { (void) XMagickCommand(display,resource_info,windows,0, (KeySym) XK_u,image); break; } case DrawModeHelpOp: { XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Rotation",ImageDrawHelp); XDefineCursor(display,windows->image.id,cursor); break; } case DrawModeDismissOp: { /* Prematurely exit. */ state|=EscapeState; state|=ExitState; break; } default: break; } XDefineCursor(display,windows->image.id,cursor); continue; } switch (event.type) { case ButtonPress: { if (event.xbutton.window == windows->pan.id) { XPanImage(display,windows,&event); XInfoWidget(display,windows,text); break; } /* Exit loop. */ x=event.xbutton.x; y=event.xbutton.y; state|=ExitState; break; } case ButtonRelease: break; case Expose: break; case KeyPress: { char command[MaxTextLength]; KeySym key_symbol; if (event.xkey.window != windows->image.id) break; /* Respond to a user key press. */ (void) XLookupString((XKeyEvent *) &event.xkey,command, sizeof(command),&key_symbol,(XComposeStatus *) NULL); switch (key_symbol) { case XK_Escape: case XK_F20: { /* Prematurely exit. */ state|=EscapeState; state|=ExitState; break; } case XK_F1: case XK_Help: { XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Rotation",ImageDrawHelp); break; } default: { XBell(display,0); break; } } break; } case MotionNotify: { /* Discard pending pointer motion events. */ while (XCheckMaskEvent(display,PointerMotionMask,&event)); x=event.xmotion.x; y=event.xmotion.y; /* Map and unmap Info widget as text cursor crosses its boundaries. */ if (windows->info.mapped) { if ((x < (windows->info.x+windows->info.width)) && (y < (windows->info.y+windows->info.height))) XWithdrawWindow(display,windows->info.id,windows->info.screen); } else if ((x > (windows->info.x+windows->info.width)) || (y > (windows->info.y+windows->info.height))) XMapWindow(display,windows->info.id); break; } } } while (!(state & ExitState)); XSelectInput(display,windows->image.id, windows->image.attributes.event_mask); XWithdrawWindow(display,windows->info.id,windows->info.screen); if (state & EscapeState) break; /* Draw line or rectangle as pointer moves until the button is released. */ line_info.x1=x; line_info.y1=y; line_info.x2=x; line_info.y2=y; distance=0; degrees=0.0; rectangle_info.x=x; rectangle_info.y=y; rectangle_info.width=0; rectangle_info.height=0; XSetFunction(display,windows->image.highlight_context,GXinvert); state=DefaultState; do { switch (primitive) { case LinePrimitive: default: { if (distance > 9) { /* Display angle of line line. */ degrees=RadiansToDegrees(-atan2((double) (line_info.y2- line_info.y1),(double) (line_info.x2-line_info.x1))); (void) sprintf(text," %.2f",degrees); XInfoWidget(display,windows,text); XHighlightLine(display,windows->image.id, windows->image.highlight_context,&line_info); } else if (windows->info.mapped) XWithdrawWindow(display,windows->info.id,windows->info.screen); break; } case RectanglePrimitive: case FillRectanglePrimitive: { if ((rectangle_info.width > 3) && (rectangle_info.height > 3)) { /* Display info and draw drawing rectangle. */ (void) sprintf(text," %ux%u%+d%+d",rectangle_info.width, rectangle_info.height,rectangle_info.x,rectangle_info.y); XInfoWidget(display,windows,text); XHighlightRegion(display,windows->image.id, windows->image.highlight_context,&rectangle_info); } else if (windows->info.mapped) XWithdrawWindow(display,windows->info.id,windows->info.screen); break; } } /* Wait for next event. */ XIfEvent(display,&event,XScreenEvent,(char *) windows); switch (primitive) { case LinePrimitive: default: { if (distance > 9) XHighlightLine(display,windows->image.id, windows->image.highlight_context,&line_info); break; } case RectanglePrimitive: case FillRectanglePrimitive: { if ((rectangle_info.width > 3) && (rectangle_info.height > 3)) XHighlightRegion(display,windows->image.id, windows->image.highlight_context,&rectangle_info); break; } } switch (event.type) { case ButtonPress: break; case ButtonRelease: { /* User has committed to primitive. */ line_info.x2=event.xbutton.x; line_info.y2=event.xbutton.y; rectangle_info.x=event.xbutton.x; rectangle_info.y=event.xbutton.y; state|=ExitState; break; } case Expose: break; case MotionNotify: { /* Discard pending button motion events. */ while (XCheckMaskEvent(display,ButtonMotionMask,&event)); line_info.x2=event.xmotion.x; line_info.y2=event.xmotion.y; rectangle_info.x=event.xmotion.x; rectangle_info.y=event.xmotion.y; } default: break; } /* Check boundary conditions. */ if (line_info.x2 < 0) line_info.x2=0; else if (line_info.x2 > windows->image.width) line_info.x2=windows->image.width; if (line_info.y2 < 0) line_info.y2=0; else if (line_info.y2 > windows->image.height) line_info.y2=windows->image.height; distance= ((line_info.x2-line_info.x1+1)*(line_info.x2-line_info.x1+1))+ ((line_info.y2-line_info.y1+1)*(line_info.y2-line_info.y1+1)); if (((rectangle_info.x != x) && (rectangle_info.y != y)) || (state & ExitState)) { if (rectangle_info.x < 0) rectangle_info.x=0; else if (rectangle_info.x > windows->image.width) rectangle_info.x=windows->image.width; if (rectangle_info.x < x) rectangle_info.width=(unsigned int) (x-rectangle_info.x); else { rectangle_info.width=(unsigned int) (rectangle_info.x-x); rectangle_info.x=x; } if (rectangle_info.y < 0) rectangle_info.y=0; else if (rectangle_info.y > windows->image.height) rectangle_info.y=windows->image.height; if (rectangle_info.y < y) rectangle_info.height=(unsigned int) (y-rectangle_info.y); else { rectangle_info.height=(unsigned int) (rectangle_info.y-y); rectangle_info.y=y; } } } while (!(state & ExitState)); XSetFunction(display,windows->image.highlight_context,GXcopy); if (distance <= 9) continue; /* Drawing is relative to image configuration. */ draw_info.x=rectangle_info.x; draw_info.y=rectangle_info.y; (void) XMagickCommand(display,resource_info,windows,0,(KeySym) XK_Select, image); x=0; y=0; width=(*image)->columns; height=(*image)->rows; if (windows->image.crop_geometry != (char *) NULL) (void) XParseGeometry(windows->image.crop_geometry,&x,&y,&width,&height); x_factor=UpShift(width)/windows->image.ximage->width; draw_info.x+=windows->image.x-(line_width >> 1); draw_info.x=DownShift(draw_info.x*x_factor); y_factor=UpShift(height)/windows->image.ximage->height; draw_info.y+=windows->image.y-(line_width >> 1); draw_info.y=DownShift(draw_info.y*y_factor); draw_info.width=rectangle_info.width+(line_width << 1); if (draw_info.width > (*image)->columns) draw_info.width=(*image)->columns; draw_info.height=rectangle_info.height+(line_width << 1); if (draw_info.height > (*image)->rows) draw_info.height=(*image)->rows; (void) sprintf(draw_info.geometry,"%ux%u%+d%+d", (unsigned int) DownShift(draw_info.width*x_factor), (unsigned int) DownShift(draw_info.height*y_factor), draw_info.x+x,draw_info.y+y); draw_info.primitive=primitive; draw_info.line_info.x1=line_width >> 1; draw_info.line_info.x2=line_info.x2-line_info.x1+(line_width >> 1); draw_info.line_info.y1=line_width >> 1; draw_info.line_info.y2=line_info.y2-line_info.y1+(line_width >> 1); if ((draw_info.line_info.x2 < 0) && (draw_info.line_info.y2 < 0)) { draw_info.line_info.x2=(-draw_info.line_info.x2); draw_info.line_info.y2=(-draw_info.line_info.y2); } if (draw_info.line_info.x2 < 0) { draw_info.line_info.x2=(-draw_info.line_info.x2); Swap(draw_info.line_info.x1,draw_info.line_info.x2); } if (draw_info.line_info.y2 < 0) { draw_info.line_info.y2=(-draw_info.line_info.y2); Swap(draw_info.line_info.y1,draw_info.line_info.y2); } draw_info.rectangle_info.x=line_width >> 1; draw_info.rectangle_info.y=line_width >> 1; draw_info.rectangle_info.width=rectangle_info.width; draw_info.rectangle_info.height=rectangle_info.height; draw_info.line_width=line_width; draw_info.degrees=0.0; windows->image.pixel_info->annotate_color= windows->image.pixel_info->pen_color[pen_id]; /* Draw primitive on image. */ XInfoWidget(display,windows,DrawImageText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); status=XDrawImage(display,windows->image.pixel_info,&draw_info,*image); XSetCursorState(display,windows,False); /* Update image colormap and return to image drawing. */ XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); } XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X D r a w P a n R e c t a n g l e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XDrawPanRectangle draws a rectangle in the pan window. The pan % window displays a scaled image and the rectangle shows which portion of % the image is displayed in the Image window. % % The format of the XDrawPanRectangle routine is: % % XDrawPanRectangle(display,windows) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o windows: Specifies a pointer to a XWindows structure. % % */ static void XDrawPanRectangle(display,windows) Display *display; XWindows *windows; { unsigned long scale_factor; RectangleInfo highlight_info; /* Determine dimensions of the panning rectangle. */ scale_factor=(unsigned long) (UpShift(windows->pan.width)/windows->image.ximage->width); highlight_info.x=DownShift(windows->image.x*scale_factor); highlight_info.width=DownShift(windows->image.width*scale_factor); scale_factor=(unsigned long) (UpShift(windows->pan.height)/windows->image.ximage->height); highlight_info.y=DownShift(windows->image.y*scale_factor); highlight_info.height=DownShift(windows->image.height*scale_factor); /* Display the panning rectangle. */ XClearWindow(display,windows->pan.id); XHighlightRegion(display,windows->pan.id,windows->pan.annotate_context, &highlight_info); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X L o a d I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XLoadImage loads an image from a file. % % The format of the XLoadImage routine is: % % loaded_image=XLoadImage(display,resource_info,windows,command) % % A description of each parameter follows: % % o loaded_image: Function XLoadImage returns an image if can be loaded % successfully. Otherwise a null image is returned. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o windows: Specifies a pointer to a XWindows structure. % % o command: A value other than zero indicates that the file is selected % from the command line argument list. % % */ static Image *XLoadImage(display,resource_info,windows,command) Display *display; XResourceInfo *resource_info; XWindows *windows; unsigned int command; { Image *loaded_image; ImageInfo image_info; static char filename[MaxTextLength] = "\0"; /* Request file name from user. */ if (!command) XFileBrowserWidget(display,windows,"Load",filename); else { char **filelist, **files; int count, status; register int i, j; /* Select next image from the command line. */ status=XGetCommand(display,windows->image.id,&files,&count); if (!status) { Warning("Unable to select image","XGetCommand failed"); return((Image *) NULL); } filelist=(char **) malloc(count*sizeof(char *)); if (filelist == (char **) NULL) { Warning("Unable to select image","Memory allocation failed"); XFreeStringList(files); return((Image *) NULL); } j=0; for (i=1; i < count; i++) if (*files[i] != '-') filelist[j++]=files[i]; filelist[j]=(char *) NULL; XListBrowserWidget(display,windows,&windows->widget,filelist,"Load", "Select Image to Load:",filename); free((char *) filelist); XFreeStringList(files); } if (*filename == '\0') return((Image *) NULL); GetImageInfo(&image_info); (void) strcpy(image_info.filename,filename); SetImageMagick(&image_info); if (strcmp(image_info.magick,"X") == 0) { char seconds[MaxTextLength]; /* User may want to delay the X server screen grab. */ (void) strcpy(seconds,"0"); XDialogWidget(display,windows,"Grab","Enter any delay in seconds:", seconds); XDelay(display,1000*atoi(seconds)); } /* Load the image. */ XInfoWidget(display,windows,LoadImageText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); (void) strcpy(resource_info->image_info->filename,filename); loaded_image=ReadImage(resource_info->image_info); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); if (loaded_image != (Image *) NULL) XClientMessage(display,windows->image.id,windows->im_protocols, windows->im_next_image,CurrentTime); else { char *text, **textlist; FILE *file; int c; register char *p; unsigned int length; /* Unknown image format. */ file=(FILE *) fopen(filename,"r"); if (file == (FILE *) NULL) return((Image *) NULL); length=MaxTextLength; text=(char *) malloc(length*sizeof(char)); for (p=text ; text != (char *) NULL; p++) { c=fgetc(file); if (c == EOF) break; if ((p-text+1) >= length) { *p='\0'; length<<=1; text=(char *) realloc((char *) text,length*sizeof(char)); if (text == (char *) NULL) break; p=text+strlen(text); } *p=(unsigned char) c; } (void) fclose(file); if (text == (char *) NULL) return((Image *) NULL); *p='\0'; textlist=StringToList(text); if (textlist != (char **) NULL) { char title[MaxTextLength]; register int i; (void) sprintf(title,"Unknown format: %s",filename); XTextViewWidget(display,resource_info,windows,True,title,textlist); for (i=0; textlist[i] != (char *) NULL; i++) free((char *) textlist[i]); free((char *) textlist); } free((char *) text); } return(loaded_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X M a g i c k C o m m a n d % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XMagickCommand makes a transform to the image or Image window % as specified by a user menu button or keyboard command. % % The format of the XMagickCommand routine is: % % loaded_image=XMagickCommand(display,resource_info,windows,state, % key_symbol,image) % % A description of each parameter follows: % % o loaded_image: Function XMagickCommand returns an image when the % user chooses 'Load Image' from the command menu. Otherwise a null % image is returned. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o windows: Specifies a pointer to a XWindows structure. % % o state: key mask. % % o key_symbol: Specifies a command to perform. % % o image: Specifies a pointer to a Image structure; XMagickCommand % may transform the image and return a new image pointer. % % */ static Image *XMagickCommand(display,resource_info,windows,state,key_symbol, image) Display *display; XResourceInfo *resource_info; XWindows *windows; unsigned int state; KeySym key_symbol; Image **image; { #define ApplyTransformsText " Applying image transforms... " #define BlurImageText " Blurring image... " #define BorderImageText " Adding border... " #define BrowseDocumentionText " Browsing documentation... " #define DespeckleImageText " Despeckling image... " #define DullContrastText " Dulling the image contrast... " #define EdgeImageText " Detecting edges... " #define EmbossImageText " Embossing image... " #define FlipImageText " Flipping image... " #define FlopImageText " Flopping image... " #define FrameImageText " Adding frame... " #define GrayImageText " Converting the image colors to gray... " #define HistogramEqualizeText " Equalizing the image histogram... " #define HistogramNormalizeText " Normalizing the image histogram... " #define ImageInfoText " Displaying image attributes... " #define NegateImageText " Negating the image colors... " #define NoisyImageText " Eliminating peak noise... " #define OilPaintImageText " Oil painting image... " #define RaiseImageText " Raising the image... " #define SegmentImageText " Segmenting the image... " #define SharpenContrastText " Sharpening the image contrast... " #define SharpenImageText " Sharpening image... " #define ShearImageText " Shearing image... " #define ShowHistogramText " Displaying image histogram... " typedef struct _ImageState { unsigned int width, height; char *crop_geometry; Image *image; } ImageState; char *argv[5], geometry[MaxTextLength], modulate_factors[MaxTextLength]; Image *loaded_image; ImageInfo image_info; int x, y; static char color[MaxTextLength] = "gray", delta[MaxTextLength] = "", Digits[]="01234567890"; static KeySym last_symbol = XK_0; static ImageState undo_image = {0, 0, (char *) NULL, (Image *) NULL}; unsigned int height, status, width; XCheckRefreshWindows(display,windows); if ((key_symbol >= XK_0) && (key_symbol <= XK_9)) { if (!((last_symbol >= XK_0) && (last_symbol <= XK_9))) { *delta='\0'; resource_info->quantum=1; } last_symbol=key_symbol; delta[strlen(delta)+1]='\0'; delta[strlen(delta)]=Digits[key_symbol-XK_0]; resource_info->quantum=atoi(delta); return((Image *) NULL); } last_symbol=key_symbol; if ((key_symbol == XK_u) || (key_symbol == XK_Undo)) { /* Undo the last image transformation. */ if (undo_image.image == (Image *) NULL) { XBell(display,0); return((Image *) NULL); } windows->image.window_changes.width=undo_image.width; windows->image.window_changes.height=undo_image.height; if (windows->image.crop_geometry != (char *) NULL) free((char *) windows->image.crop_geometry); windows->image.crop_geometry=undo_image.crop_geometry; DestroyImage(*image); *image=undo_image.image; undo_image.crop_geometry=(char *) NULL; undo_image.image=(Image *) NULL; if (windows->image.orphan) return((Image *) NULL); XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); return((Image *) NULL); } if (!(state & Mod5Mask)) switch (key_symbol) { case XK_Up: case XK_KP_Up: case XK_Down: case XK_KP_Down: case XK_Left: case XK_KP_Left: case XK_Right: case XK_KP_Right: { if (!(state & Mod1Mask)) break; } case XK_F3: case XK_F5: case XK_A: case XK_less: case XK_o: case XK_greater: case XK_percent: case XK_t: case XK_bracketright: case XK_minus: case XK_bar: case XK_slash: case XK_backslash: case XK_asterisk: case XK_F6: case XK_asciitilde: case XK_equal: case XK_N: case XK_F7: case XK_F8: case XK_F9: case XK_g: case XK_F10: case XK_F11: case XK_D: case XK_P: case XK_S: case XK_B: case XK_E: case XK_M: case XK_O: case XK_asciicircum: case XK_Z: case XK_G: case XK_numbersign: case XK_R: case XK_a: case XK_b: case XK_F: case XK_x: case XK_exclam: case XK_Select: { /* Save image before transformation. */ XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); undo_image.width=windows->image.ximage->width; undo_image.height=windows->image.ximage->height; if (undo_image.crop_geometry != (char *) NULL) free((char *) undo_image.crop_geometry); undo_image.crop_geometry=windows->image.crop_geometry; if (windows->image.crop_geometry != (char *) NULL) { undo_image.crop_geometry=(char *) malloc(MaxTextLength*sizeof(char)); if (undo_image.crop_geometry != (char *) NULL) (void) strcpy(undo_image.crop_geometry, windows->image.crop_geometry); } if (undo_image.image != (Image *) NULL) DestroyImage(undo_image.image); (*image)->orphan=True; undo_image.image= CopyImage(*image,(*image)->columns,(*image)->rows,True); (*image)->orphan=False; XSetCursorState(display,windows,False); break; } default: break; } /* Process user command. */ argv[0]=client_name; loaded_image=(Image *) NULL; windows->image.window_changes.width=windows->image.ximage->width; windows->image.window_changes.height=windows->image.ximage->height; switch (key_symbol) { case XK_l: { /* Load image. */ loaded_image=XLoadImage(display,resource_info,windows,False); break; } case XK_n: case XK_space: { /* Display next image. */ XClientMessage(display,windows->image.id,windows->im_protocols, windows->im_next_image,CurrentTime); break; } case XK_f: case XK_KP_Prior: case XK_BackSpace: { /* Display former image. */ XClientMessage(display,windows->image.id,windows->im_protocols, windows->im_former_image,CurrentTime); break; } case XK_F2: { /* Select image. */ (void) chdir(resource_info->home_directory); loaded_image=XLoadImage(display,resource_info,windows,True); break; } case XK_s: { /* Save image. */ status=XSaveImage(display,resource_info,windows,image); if (status == False) { XNoticeWidget(display,windows,"Unable to write X image:", (*image)->filename); break; } break; } case XK_p: { /* Print image. */ status=XPrintImage(display,resource_info,windows,image); if (status == False) { XNoticeWidget(display,windows,"Unable to print X image:", (*image)->filename); break; } break; } case XK_Delete: { static char filename[MaxTextLength] = "\0"; /* Delete image file. */ XFileBrowserWidget(display,windows,"Delete",filename); if (*filename == '\0') break; status=unlink(filename); if (status != False) XNoticeWidget(display,windows,"Unable to delete image file:",filename); break; } case XK_C: { static char color[MaxTextLength] = "gray", geometry[MaxTextLength] = "640x480"; /* Query user for canvas geometry. */ XDialogWidget(display,windows,"Canvas","Enter canvas geometry:",geometry); if (*geometry == '\0') break; XColorBrowserWidget(display,windows,"Select",color); if (*color == '\0') break; /* Create canvas. */ GetImageInfo(&image_info); (void) sprintf(image_info.filename,"xc:%s",color); image_info.size=geometry; loaded_image=ReadImage(&image_info); free((char *) image_info.filename); XClientMessage(display,windows->image.id,windows->im_protocols, windows->im_next_image,CurrentTime); break; } case XK_comma: { static char delay[MaxTextLength] = "5"; /* Display next image after pausing. */ resource_info->delay=0; XDialogWidget(display,windows,"Slide Show", "Pause how many seconds between images:",delay); if (*delay == '\0') break; resource_info->delay=atoi(delay); XClientMessage(display,windows->image.id,windows->im_protocols, windows->im_next_image,CurrentTime); break; } case XK_V: { /* Visual Image directory. */ loaded_image=XVisualDirectoryImage(display,resource_info,windows); break; } case XK_F3: { /* Cut image. */ (void) XCutImage(display,resource_info,windows,*image); break; } case XK_F4: { /* Copy image. */ (void) XCopyImage(display,resource_info,windows,*image); break; } case XK_F5: { /* Paste image. */ status=XPasteImage(display,resource_info,windows,*image); if (status == False) { XNoticeWidget(display,windows,"Unable to paste X image", (*image)->filename); break; } break; } case XK_at: { (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_F12: { /* Set user preferences. */ (void) XPreferencesWidget(display,resource_info,windows); break; } case XK_A: { char image_geometry[MaxTextLength]; if ((windows->image.crop_geometry == (char *) NULL) && ((*image)->columns == windows->image.ximage->width) && ((*image)->rows == windows->image.ximage->height) && (resource_info->number_colors == 0)) break; /* Apply size transforms to image. */ XInfoWidget(display,windows,ApplyTransformsText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); /* Crop and/or scale displayed image. */ (void) sprintf(image_geometry,"%dx%d!",windows->image.ximage->width, windows->image.ximage->height); TransformImage(image,windows->image.crop_geometry,image_geometry); if (windows->image.crop_geometry != (char *) NULL) { free((char *) windows->image.crop_geometry); windows->image.crop_geometry=(char *) NULL; } windows->image.x=0; windows->image.y=0; if (resource_info->number_colors != 0) { /* Reduce the number of colors in the image. */ if (((*image)->class == DirectClass) || ((*image)->colors > resource_info->number_colors) || (resource_info->colorspace == GRAYColorspace)) QuantizeImage(*image,resource_info->number_colors, resource_info->tree_depth,resource_info->dither, resource_info->colorspace); SyncImage(*image); } XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_less: { /* Half image size. */ windows->image.window_changes.width=windows->image.ximage->width >> 1; windows->image.window_changes.height=windows->image.ximage->height >> 1; (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_o: { /* Original image size. */ windows->image.window_changes.width=(*image)->columns; windows->image.window_changes.height=(*image)->rows; (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_greater: { /* Double the image size. */ windows->image.window_changes.width=windows->image.ximage->width << 1; windows->image.window_changes.height=windows->image.ximage->height << 1; (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_percent: { unsigned int height, width; /* Resize image. */ width=windows->image.ximage->width; height=windows->image.ximage->height; (void) sprintf(geometry,"%ux%u",width,height); XDialogWidget(display,windows,"Resize", "Enter resize geometry (e.g. 640x480!, 200%):",geometry); if (*geometry == '\0') break; ParseImageGeometry(geometry,&width,&height); windows->image.window_changes.width=width; windows->image.window_changes.height=height; (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_r: { /* Restore Image window to its original size. */ if ((windows->image.width == (*image)->columns) && (windows->image.height == (*image)->rows) && (windows->image.crop_geometry == (char *) NULL)) { XBell(display,0); break; } windows->image.window_changes.width=(*image)->columns; windows->image.window_changes.height=(*image)->rows; if (windows->image.crop_geometry != (char *) NULL) { free((char *) windows->image.crop_geometry); windows->image.crop_geometry=(char *) NULL; windows->image.x=0; windows->image.y=0; } XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_bracketleft: { /* Crop image. */ (void) XCropImage(display,resource_info,windows,*image); break; } case XK_bracketright: { /* Chop image. */ status=XChopImage(display,resource_info,windows,image); if (status == False) { XNoticeWidget(display,windows,"Unable to cut X image", (*image)->filename); break; } break; } case XK_bar: { /* Flop image scanlines. */ XInfoWidget(display,windows,FlopImageText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); argv[1]="-flop"; MogrifyImage(resource_info->image_info,2,argv,image); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); if (windows->image.crop_geometry != (char *) NULL) { /* Flop crop geometry. */ (void) XParseGeometry(windows->image.crop_geometry,&x,&y,&width, &height); (void) sprintf(windows->image.crop_geometry,"%ux%u%+d%+d",width, height,(int) (*image)->columns-(int) width-x,y); } if (windows->image.orphan) break; (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_minus: { /* Flip image scanlines. */ XInfoWidget(display,windows,FlipImageText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); argv[1]="-flip"; MogrifyImage(resource_info->image_info,2,argv,image); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); if (windows->image.crop_geometry != (char *) NULL) { /* Flip crop geometry. */ (void) XParseGeometry(windows->image.crop_geometry,&x,&y,&width, &height); (void) sprintf(windows->image.crop_geometry,"%ux%u%+d%+d",width, height,x,(int) (*image)->rows-(int) height-y); } if (windows->image.orphan) break; (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_slash: { /* Rotate image 90 degrees clockwise. */ status=XRotateImage(display,resource_info,windows,90.0,image); if (status == False) { XNoticeWidget(display,windows,"Unable to rotate X image", (*image)->filename); break; } break; } case XK_backslash: { /* Rotate image 90 degrees counter-clockwise. */ status=XRotateImage(display,resource_info,windows,-90.0,image); if (status == False) { XNoticeWidget(display,windows,"Unable to rotate X image", (*image)->filename); break; } break; } case XK_asterisk: { /* Rotate image. */ status=XRotateImage(display,resource_info,windows,0.0,image); if (status == False) { XNoticeWidget(display,windows,"Unable to rotate X image", (*image)->filename); break; } break; } case XK_F6: { static char geometry[MaxTextLength] = "10.0"; /* Query user for shear color and geometry. */ XColorBrowserWidget(display,windows,"Select",color); if (*color == '\0') break; XDialogWidget(display,windows,"Shear","Enter shear geometry:",geometry); if (*geometry == '\0') break; /* Shear image. */ (void) XMagickCommand(display,resource_info,windows,0,(KeySym) XK_A, image); XInfoWidget(display,windows,ShearImageText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); argv[1]="-bordercolor"; argv[2]=color; argv[3]="-shear"; argv[4]=geometry; MogrifyImage(resource_info->image_info,5,argv,image); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); windows->image.window_changes.width=(*image)->columns; windows->image.window_changes.height=(*image)->rows; XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_t: { /* Trim image. */ status=XTrimImage(display,resource_info,windows,*image); if (status == False) { XNoticeWidget(display,windows,"Unable to trim X image", (*image)->filename); break; } break; } case XK_F7: { static char hue_percent[MaxTextLength] = "3"; /* Query user for percent hue change. */ XDialogWidget(display,windows,"Apply", "Enter percent change in image hue:",hue_percent); if (*hue_percent == '\0') break; /* Vary the image hue. */ XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); (void) strcpy(modulate_factors,"0.0,0.0,"); (void) strcat(modulate_factors,hue_percent); ModulateImage(*image,modulate_factors); XSetCursorState(display,windows,False); if (windows->image.orphan) break; XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_F8: { static char saturation_percent[MaxTextLength] = "10"; /* Query user for percent saturation change. */ XDialogWidget(display,windows,"Apply", "Enter percent change in color saturation:",saturation_percent); if (*saturation_percent == '\0') break; /* Vary color saturation. */ XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); (void) strcpy(modulate_factors,"0.0,"); (void) strcat(modulate_factors,saturation_percent); ModulateImage(*image,modulate_factors); XSetCursorState(display,windows,False); if (windows->image.orphan) break; XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_F9: { static char brightness_percent[MaxTextLength] = "3"; /* Query user for percent brightness change. */ XDialogWidget(display,windows,"Apply", "Enter percent change in color brightness:",brightness_percent); if (*brightness_percent == '\0') break; /* Vary the color brightness. */ XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); (void) strcpy(modulate_factors,brightness_percent); ModulateImage(*image,modulate_factors); XSetCursorState(display,windows,False); if (windows->image.orphan) break; XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_g: { static char factor[MaxTextLength] = "1.6"; /* Query user for gamma value. */ XDialogWidget(display,windows,"Gamma","Enter gamma value:",factor); if (*factor == '\0') break; /* Gamma correct image. */ XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); GammaImage(*image,factor); XSetCursorState(display,windows,False); if (windows->image.orphan) break; XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_F10: { /* Sharpen the image contrast. */ XInfoWidget(display,windows,SharpenContrastText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); ContrastImage(*image,True); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); if (windows->image.orphan) break; XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_F11: { /* Dull the image contrast. */ XInfoWidget(display,windows,DullContrastText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); ContrastImage(*image,False); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); if (windows->image.orphan) break; XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_equal: { /* Perform histogram equalization on the image. */ XInfoWidget(display,windows,HistogramEqualizeText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); EqualizeImage(*image); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); if (windows->image.orphan) break; XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_N: { /* Perform histogram normalization on the image. */ XInfoWidget(display,windows,HistogramNormalizeText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); NormalizeImage(*image); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); if (windows->image.orphan) break; XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_asciitilde: { /* Negate colors in image. */ XInfoWidget(display,windows,NegateImageText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); NegateImage(*image); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); if (windows->image.orphan) break; XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_G: { /* Convert image to grayscale. */ XInfoWidget(display,windows,GrayImageText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); QuantizeImage(*image,256,8,resource_info->dither,GRAYColorspace); SyncImage(*image); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); if (windows->image.orphan) break; XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_numbersign: { static char colors[MaxTextLength] = "256"; /* Query user for maximum number of colors. */ XDialogWidget(display,windows,"Quantize","Maximum number of colors:", colors); if (*colors == '\0') break; /* Color reduce the image. */ XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); QuantizeImage(*image,(unsigned int) atoi(colors), resource_info->tree_depth,(unsigned int) (strchr(colors,'!') == (char *) NULL),resource_info->colorspace); SyncImage(*image); XSetCursorState(display,windows,False); if (windows->image.orphan) break; XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_D: { /* Despeckle image. */ XInfoWidget(display,windows,DespeckleImageText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); argv[1]="-despeckle"; MogrifyImage(resource_info->image_info,2,argv,image); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); if (windows->image.orphan) break; XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_P: { /* Reduce noise in the image. */ XInfoWidget(display,windows,NoisyImageText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); argv[1]="-noise"; MogrifyImage(resource_info->image_info,2,argv,image); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); if (windows->image.orphan) break; XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_S: { static char factor[MaxTextLength] = "60.0"; /* Query user for sharpen factor. */ XDialogWidget(display,windows,"Sharpen", "Enter the sharpening factor (0.0 - 99.9%):",factor); if (*factor == '\0') break; /* Sharpen image scanlines. */ XInfoWidget(display,windows,SharpenImageText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); argv[1]="-sharpen"; argv[2]=factor; MogrifyImage(resource_info->image_info,3,argv,image); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); if (windows->image.orphan) break; XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_B: { static char factor[MaxTextLength] = "60.0"; /* Query user for blur factor. */ XDialogWidget(display,windows,"Blur", "Enter the blurring factor (0.0 - 99.9%):",factor); if (*factor == '\0') break; /* Blur an image. */ XInfoWidget(display,windows,BlurImageText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); argv[1]="-blur"; argv[2]=factor; MogrifyImage(resource_info->image_info,3,argv,image); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); if (windows->image.orphan) break; XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_E: { /* Detect edges in image. */ XInfoWidget(display,windows,EdgeImageText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); argv[1]="-edge"; MogrifyImage(resource_info->image_info,2,argv,image); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); if (windows->image.orphan) break; XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_M: { /* Emboss image scanlines. */ XInfoWidget(display,windows,EmbossImageText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); argv[1]="-emboss"; MogrifyImage(resource_info->image_info,2,argv,image); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); if (windows->image.orphan) break; XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_O: { /* OilPaint image scanlines. */ XInfoWidget(display,windows,OilPaintImageText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); argv[1]="-paint"; MogrifyImage(resource_info->image_info,2,argv,image); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); if (windows->image.orphan) break; XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_asciicircum: { static char bevel_width[MaxTextLength] = "10"; /* Query user for bevel width. */ XDialogWidget(display,windows,"Raise","Bevel width:",bevel_width); if (*bevel_width == '\0') break; /* Raise an image. */ (void) XMagickCommand(display,resource_info,windows,0,(KeySym) XK_A,image); XInfoWidget(display,windows,RaiseImageText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); RaiseImage(*image,1,atoi(bevel_width)); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); if (windows->image.orphan) break; XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_Z: { static char threshold[MaxTextLength] = "1.5"; /* Query user for smoothing threshold. */ XDialogWidget(display,windows,"Segment","Smoothing threshold:",threshold); if (*threshold == '\0') break; /* Segment an image. */ XInfoWidget(display,windows,SegmentImageText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); SegmentImage(*image,resource_info->colorspace,False,atof(threshold),1.0); SyncImage(*image); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); if (windows->image.orphan) break; XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_R: { /* Apply an image processing technique to a region of interest. */ (void) XROIImage(display,resource_info,windows,image); break; } case XK_a: { /* Annotate the image with text. */ status=_XAnnotateImage(display,resource_info,windows,*image); if (status == False) { XNoticeWidget(display,windows,"Unable to annotate X image", (*image)->filename); break; } break; } case XK_d: { /* Draw image. */ status=_XDrawImage(display,resource_info,windows,image); if (status == False) { XNoticeWidget(display,windows,"Unable to draw on the X image", (*image)->filename); break; } break; } case XK_b: { static char geometry[MaxTextLength] = "6x6"; /* Query user for border color and geometry. */ XColorBrowserWidget(display,windows,"Select",color); if (*color == '\0') break; XDialogWidget(display,windows,"Add Border","Enter border geometry:", geometry); if (*geometry == '\0') break; /* Add a border to the image. */ (void) XMagickCommand(display,resource_info,windows,0,(KeySym) XK_A, image); XInfoWidget(display,windows,BorderImageText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); argv[1]="-bordercolor"; argv[2]=color; argv[3]="-border"; argv[4]=geometry; MogrifyImage(resource_info->image_info,5,argv,image); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); windows->image.window_changes.width=(*image)->columns; windows->image.window_changes.height=(*image)->rows; XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_F: { static char geometry[MaxTextLength] = "6x6"; /* Query user for frame color and geometry. */ XColorBrowserWidget(display,windows,"Select",color); if (*color == '\0') break; XDialogWidget(display,windows,"Add Frame","Enter frame geometry:", geometry); if (*geometry == '\0') break; /* Surround image with an ornamental border. */ (void) XMagickCommand(display,resource_info,windows,0,(KeySym) XK_A, image); XInfoWidget(display,windows,FrameImageText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); argv[1]="-mattecolor"; argv[2]=color; argv[3]="-frame"; argv[4]=geometry; MogrifyImage(resource_info->image_info,5,argv,image); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); windows->image.window_changes.width=(*image)->columns; windows->image.window_changes.height=(*image)->rows; XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); break; } case XK_x: { /* Composite image. */ status=XCompositeImage(display,resource_info,windows,*image); if (status == False) { XNoticeWidget(display,windows,"Unable to composite X image", (*image)->filename); break; } break; } case XK_c: { /* Color edit. */ status=XColorEditImage(display,resource_info,windows,image); if (status == False) { XNoticeWidget(display,windows,"Unable to pixel edit X image", (*image)->filename); break; } break; } case XK_m: { /* Matte edit. */ status=XMatteEditImage(display,resource_info,windows,image); if (status == False) { XNoticeWidget(display,windows,"Unable to matte edit X image", (*image)->filename); break; } break; } case XK_exclam: { char command[MaxTextLength], filename[MaxTextLength]; FILE *file; /* Edit image comment. */ TemporaryFilename(filename); if ((*image)->comments != (char *) NULL) { register char *p; file=fopen(filename,"w"); if (file == (FILE *) NULL) { XNoticeWidget(display,windows,"Unable to edit image comment", filename); break; } for (p=(*image)->comments; *p != '\0'; p++) (void) putc((int) *p,file); (void) putc('\n',file); (void) fclose(file); } (void) sprintf(command,EditorCommand,filename); if (resource_info->editor_command != (char *) NULL) (void) sprintf(command,resource_info->editor_command,filename); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); status=SystemCommand(command); if (status) XNoticeWidget(display,windows,"Unable to edit image comment",command); else { (void) sprintf(command,"@%s",filename); CommentImage(*image,command); } (void) unlink(filename); XSetCursorState(display,windows,False); break; } case XK_i: { /* Display image info. */ XInfoWidget(display,windows,ImageInfoText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); XDisplayImageInfo(display,resource_info,windows,*image); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); break; } case XK_ampersand: { /* Background image. */ status=XBackgroundImage(display,resource_info,windows,image); if (status == False) break; (*image)->orphan=True; loaded_image=CopyImage(*image,(*image)->columns,(*image)->rows,True); (*image)->orphan=False; if (loaded_image != (Image *) NULL) XClientMessage(display,windows->image.id,windows->im_protocols, windows->im_next_image,CurrentTime); break; } case XK_H: { char command[MaxTextLength], filename[MaxTextLength]; /* Show image histogram. */ XInfoWidget(display,windows,ShowHistogramText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); TemporaryFilename(filename); (void) sprintf(command,HistogramCommand,windows->image.id, (*image)->filename,filename); (void) sprintf((*image)->filename,"histogram:%s",filename); GetImageInfo(&image_info); status=WriteImage(&image_info,*image); if (status) status=!SystemCommand(command); if (!status) { XNoticeWidget(display,windows,"Unable to show image histogram", command); (void) unlink(filename); } XDelay(display,1500); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); break; } case XK_h: case XK_F1: case XK_Help: { /* User requested help. */ XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Display",ImageMagickHelp); break; } case XK_Find: { char command[MaxTextLength]; /* Browse the entire ImageMagick document. */ XInfoWidget(display,windows,BrowseDocumentionText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); (void) strcpy(command,DocumentationBrowser); status=SystemCommand(command); if (status) XNoticeWidget(display,windows,"Unable to browse documentation",command); XDelay(display,1500); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); break; } case XK_v: { XNoticeWidget(display,windows,Version, "Copyright 1995 E. I. du Pont de Nemours and Company"); break; } case XK_q: { /* Exit program. */ if (!resource_info->confirm_exit) XClientMessage(display,windows->image.id,windows->im_protocols, windows->im_exit,CurrentTime); else { /* Confirm program exit. */ status=XConfirmWidget(display,windows,"Do you really want to exit", client_name); if (status == True) XClientMessage(display,windows->image.id,windows->im_protocols, windows->im_exit,CurrentTime); } break; } case XK_Next: case XK_Prior: case XK_Home: case XK_KP_Home: { XTranslateImage(display,windows,*image,key_symbol); break; } case XK_Up: case XK_KP_Up: case XK_Down: case XK_KP_Down: case XK_Left: case XK_KP_Left: case XK_Right: case XK_KP_Right: { if (state & Mod1Mask) { RectangleInfo crop_info; /* Trim one pixel from edge of image. */ crop_info.x=0; crop_info.y=0; crop_info.width=windows->image.ximage->width; crop_info.height=windows->image.ximage->height; if ((key_symbol == XK_Up) || (key_symbol == XK_KP_Up)) { if (resource_info->quantum >= crop_info.height) resource_info->quantum=crop_info.height-1; crop_info.height-=resource_info->quantum; } if ((key_symbol == XK_Down) || (key_symbol == XK_KP_Down)) { if (resource_info->quantum >= (crop_info.height-crop_info.y)) resource_info->quantum=crop_info.height-crop_info.y-1; crop_info.y+=resource_info->quantum; crop_info.height-=resource_info->quantum; } if ((key_symbol == XK_Left) || (key_symbol == XK_KP_Left)) { if (resource_info->quantum >= crop_info.width) resource_info->quantum=crop_info.width-1; crop_info.width-=resource_info->quantum; } if ((key_symbol == XK_Right) || (key_symbol == XK_KP_Right)) { if (resource_info->quantum >= (crop_info.width-crop_info.x)) resource_info->quantum=crop_info.width-crop_info.x-1; crop_info.x+=resource_info->quantum; crop_info.width-=resource_info->quantum; } if ((windows->image.x+windows->image.width) > crop_info.width) windows->image.x=crop_info.width-windows->image.width; if ((windows->image.y+windows->image.height) > crop_info.height) windows->image.y=crop_info.height-windows->image.height; XSetCropGeometry(display,windows,&crop_info,*image); windows->image.window_changes.width=crop_info.width; windows->image.window_changes.height=crop_info.height; XSetWindowBackgroundPixmap(display,windows->image.id,None); (void) XConfigureImage(display,resource_info,windows,*image); break; } XTranslateImage(display,windows,*image,key_symbol); break; } case XK_Return: case XK_KP_Enter: case XK_Select: break; default: { if (!IsModifierKey(key_symbol)) XBell(display,0); break; } } return(loaded_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X M a g n i f y I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XMagnifyImage magnifies portions of the image as indicated % by the pointer. The magnified portion is displayed in a separate window. % % The format of the XMagnifyImage routine is: % % XMagnifyImage(display,windows,event) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o windows: Specifies a pointer to a XWindows structure. % % o event: Specifies a pointer to a XEvent structure. If it is NULL, % the entire image is refreshed. % % */ static void XMagnifyImage(display,windows,event) Display *display; XWindows *windows; XEvent *event; { char text[MaxTextLength]; register int x, y; unsigned long state; /* Update magnified image until the mouse button is released. */ XDefineCursor(display,windows->image.id,windows->magnify.cursor); state=DefaultState; x=event->xbutton.x; y=event->xbutton.y; windows->magnify.x=windows->image.x+x; windows->magnify.y=windows->image.y+y; do { /* Map and unmap Info widget as text cursor crosses its boundaries. */ if (windows->info.mapped) { if ((x < (windows->info.x+windows->info.width)) && (y < (windows->info.y+windows->info.height))) XWithdrawWindow(display,windows->info.id,windows->info.screen); } else if ((x > (windows->info.x+windows->info.width)) || (y > (windows->info.y+windows->info.height))) XMapWindow(display,windows->info.id); if (windows->info.mapped) { /* Display pointer position. */ (void) sprintf(text," %+d%+d ",windows->magnify.x,windows->magnify.y); XInfoWidget(display,windows,text); } /* Wait for next event. */ XIfEvent(display,event,XScreenEvent,(char *) windows); switch (event->type) { case ButtonPress: break; case ButtonRelease: { /* User has finished magnifying image. */ x=event->xbutton.x; y=event->xbutton.y; state|=ExitState; break; } case Expose: break; case MotionNotify: { /* Discard pending button motion events. */ while (XCheckMaskEvent(display,ButtonMotionMask,event)); x=event->xmotion.x; y=event->xmotion.y; break; } default: break; } /* Check boundary conditions. */ if (x < 0) x=0; else if (x >= windows->image.width) x=windows->image.width-1; if (y < 0) y=0; else if (y >= windows->image.height) y=windows->image.height-1; } while (!(state & ExitState)); /* Display magnified image. */ XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X M a g n i f y W i n d o w C o m m a n d % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XMagnifyWindowCommand moves the image within an Magnify window by % one pixel as specified by the key symbol. % % The format of the XMagnifyWindowCommand routine is: % % XMagnifyWindowCommand(display,windows,key_symbol) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o windows: Specifies a pointer to a XWindows structure. % % o key_symbol: Specifies a KeySym which indicates which side of the image % to trim. % % */ static void XMagnifyWindowCommand(display,windows,key_symbol) Display *display; XWindows *windows; KeySym key_symbol; { /* User specified a magnify factor or position. */ switch (key_symbol) { case XK_q: { XWithdrawWindow(display,windows->magnify.id,windows->magnify.screen); break; } case XK_Home: case XK_KP_Home: { windows->magnify.x=windows->image.width >> 1; windows->magnify.y=windows->image.height >> 1; break; } case XK_Left: case XK_KP_Left: { if (windows->magnify.x > 0) windows->magnify.x--; break; } case XK_Up: case XK_KP_Up: { if (windows->magnify.y > 0) windows->magnify.y--; break; } case XK_Right: case XK_KP_Right: { if (windows->magnify.x < (windows->image.width-1)) windows->magnify.x++; break; } case XK_Down: case XK_KP_Down: { if (windows->magnify.y < (windows->image.height-1)) windows->magnify.y++; break; } case XK_0: case XK_1: case XK_2: case XK_3: case XK_4: case XK_5: case XK_6: case XK_7: case XK_8: case XK_9: { windows->magnify.data=key_symbol-XK_0; break; } case XK_KP_0: case XK_KP_1: case XK_KP_2: case XK_KP_3: case XK_KP_4: case XK_KP_5: case XK_KP_6: case XK_KP_7: case XK_KP_8: case XK_KP_9: { windows->magnify.data=key_symbol-XK_KP_0; break; } default: break; } XMakeMagnifyImage(display,windows); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X M a k e P a n I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XMakePanImage creates a thumbnail of the image and displays it in % the Pan icon window. % % The format of the XMakePanImage routine is: % % XMakePanImage(display,resource_info,windows,image) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o windows: Specifies a pointer to a XWindows structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % */ static void XMakePanImage(display,resource_info,windows,image) Display *display; XResourceInfo *resource_info; XWindows *windows; Image *image; { unsigned int status; /* Create and display image for panning icon. */ XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); windows->pan.x=windows->image.x; windows->pan.y=windows->image.y; status=XMakeImage(display,resource_info,&windows->pan,image, windows->pan.width,windows->pan.height); status|=XMakePixmap(display,resource_info,&windows->pan); if (status == False) Error("Unable to create Pan icon image",(char *) NULL); XSetWindowBackgroundPixmap(display,windows->pan.id,windows->pan.pixmap); XClearWindow(display,windows->pan.id); XDrawPanRectangle(display,windows); XSetCursorState(display,windows,False); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X M a t t a E d i t I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XMatteEditImage allows the user to interactively change % the Matte channel of an image. If the image is PseudoClass it is promoted % to DirectClass before the matte information is stored. The floodfill % algorithm is strongly based on a similiar algorithm in "Graphics Gems" by % Paul Heckbert. % % The format of the XMatteEditImage routine is: % % XMatteEditImage(display,resource_info,windows,image) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o windows: Specifies a pointer to a XWindows structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % */ static void MatteFloodfill(image,x,y,matte) Image *image; int x, y; int matte; { int delta, skip, start, x1, x2; register RunlengthPacket *pixel; register XSegment *p; RunlengthPacket target; XSegment *segment_stack; /* Check boundary conditions. */ if ((y < 0) || (y >= image->rows)) return; if ((x < 0) || (x >= image->columns)) return; target=image->pixels[y*image->columns+x]; if (target.index == (unsigned short) matte) return; /* Allocate segment stack. */ segment_stack=(XSegment *) malloc(MaxStacksize*sizeof(XSegment)); if (segment_stack == (XSegment *) NULL) { Warning("Unable to floodfill","Memory allocation failed"); return; } /* Push initial segment on stack. */ start=0; p=segment_stack; Push(y,x,x,1); Push(y+1,x,x,-1); while (p > segment_stack) { /* Pop segment off stack. */ p--; x1=p->x1; x2=p->x2; delta=p->y2; y=p->y1+delta; /* Update matte information in neighboring pixels. */ for (x=x1; x >= 0 ; x--) { pixel=image->pixels+(y*image->columns+x); if ((pixel->red != target.red) || (pixel->green != target.green) || (pixel->blue != target.blue) || (pixel->index != target.index)) break; pixel->index=(unsigned short) matte; } skip=x >= x1; if (!skip) { start=x+1; if (start < x1) Push(y,start,x1-1,-delta); x=x1+1; } do { if (!skip) { for ( ; x < image->columns; x++) { pixel=image->pixels+(y*image->columns+x); if ((pixel->red != target.red) || (pixel->green != target.green) || (pixel->blue != target.blue) || (pixel->index != target.index)) break; pixel->index=(unsigned short) matte; } Push(y,start,x-1,delta); if (x > (x2+1)) Push(y,x2+1,x-1,-delta); } skip=False; for (x++; x <= x2 ; x++) { pixel=image->pixels+(y*image->columns+x); if ((pixel->red == target.red) && (pixel->green == target.green) && (pixel->blue == target.blue) && (pixel->index == target.index)) break; } start=x; } while (x <= x2); } free((char *) segment_stack); } static unsigned int XMatteEditImage(display,resource_info,windows,image) Display *display; XResourceInfo *resource_info; XWindows *windows; Image **image; { #define MatteEditMethodOp 0 #define MatteEditValueOp 1 #define MatteEditUndoOp 2 #define MatteEditHelpOp 3 #define MatteEditDismissOp 4 static char *MatteEditMenu[]= { "Method", "Matte Value", "Undo", "Help", "Dismiss", (char *) NULL }; char text[MaxTextLength]; Cursor cursor; int id, x, x_offset, y, y_offset; register int i; register RunlengthPacket *p; static char matte[MaxTextLength] = "0"; static unsigned int method = PointMethodOp; unsigned int height, width; unsigned long state, x_factor, y_factor; XEvent event; /* Map Command widget. */ windows->command.name="Matte Edit"; windows->command.data=1; (void) XCommandWidget(display,windows,MatteEditMenu,(XEvent *) NULL); XMapRaised(display,windows->command.id); XClientMessage(display,windows->image.id,windows->im_protocols, windows->im_update_widget,CurrentTime); /* Make cursor. */ cursor=XMakeCursor(display,windows->image.id, windows->image.map_info->colormap,resource_info->background_color, resource_info->foreground_color); XDefineCursor(display,windows->image.id,cursor); /* Track pointer until button 1 is pressed. */ XQueryPosition(display,windows->image.id,&x,&y); XSelectInput(display,windows->image.id,windows->image.attributes.event_mask | PointerMotionMask); state=DefaultState; do { if (windows->info.mapped) { /* Display pointer position. */ (void) sprintf(text," %+d%+d ",x-windows->image.x,y-windows->image.y); XInfoWidget(display,windows,text); } /* Wait for next event. */ XIfEvent(display,&event,XScreenEvent,(char *) windows); if (event.xany.window == windows->command.id) { /* Select a command from the Command widget. */ id=XCommandWidget(display,windows,MatteEditMenu,&event); if (id < 0) continue; switch (id) { case MatteEditMethodOp: { char command[MaxTextLength]; static char *MethodMenu[]= { "point", "replace", "floodfill", "reset", (char *) NULL, }; /* Select a method from the pop-up menu. */ method= XMenuWidget(display,windows,MatteEditMenu[id],MethodMenu,command); XDefineCursor(display,windows->image.id,cursor); break; } case MatteEditValueOp: { /* Request matte value from the user. */ XDialogWidget(display,windows,"Matte","Enter matte value:",matte); XDefineCursor(display,windows->image.id,cursor); break; } case MatteEditUndoOp: { (void) XMagickCommand(display,resource_info,windows,0, (KeySym) XK_u,image); break; } case MatteEditHelpOp: { XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Matte Edit",ImageMatteEditHelp); break; } case MatteEditDismissOp: { /* Prematurely exit. */ state|=EscapeState; state|=ExitState; break; } default: break; } XDefineCursor(display,windows->image.id,cursor); continue; } switch (event.type) { case ButtonPress: { if (event.xbutton.window == windows->pan.id) { XPanImage(display,windows,&event); XInfoWidget(display,windows,text); break; } /* Update matte data. */ x=event.xbutton.x; y=event.xbutton.y; (void) XMagickCommand(display,resource_info,windows,0, (KeySym) XK_Select,image); state|=UpdateConfigurationState; break; } case ButtonRelease: { /* Update colormap information. */ x=event.xbutton.x; y=event.xbutton.y; XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); XInfoWidget(display,windows,text); XDefineCursor(display,windows->image.id,cursor); state&=(~UpdateConfigurationState); break; } case Expose: break; case KeyPress: { char command[MaxTextLength]; KeySym key_symbol; if (event.xkey.window != windows->image.id) break; /* Respond to a user key press. */ (void) XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); switch (key_symbol) { case XK_Escape: case XK_F20: { /* Prematurely exit. */ state|=ExitState; break; } case XK_F1: case XK_Help: { XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Matte Edit",ImageMatteEditHelp); break; } default: { XBell(display,0); break; } } break; } case MotionNotify: { /* Discard pending pointer motion events. */ while (XCheckMaskEvent(display,PointerMotionMask,&event)); x=event.xmotion.x; y=event.xmotion.y; /* Map and unmap Info widget as cursor crosses its boundaries. */ if (windows->info.mapped) { if ((x < (windows->info.x+windows->info.width)) && (y < (windows->info.y+windows->info.height))) XWithdrawWindow(display,windows->info.id,windows->info.screen); } else if ((x > (windows->info.x+windows->info.width)) || (y > (windows->info.y+windows->info.height))) XMapWindow(display,windows->info.id); break; } default: break; } x_offset=x; y_offset=y; if (state & UpdateConfigurationState) { int x, y; /* Matte edit is relative to image configuration. */ XClearArea(display,windows->image.id,x_offset,y_offset,1,1,True); x=0; y=0; width=(*image)->columns; height=(*image)->rows; if (windows->image.crop_geometry != (char *) NULL) (void) XParseGeometry(windows->image.crop_geometry,&x,&y, &width,&height); x_factor=UpShift(width)/windows->image.ximage->width; x_offset=DownShift((windows->image.x+x_offset)*x_factor)+x; y_factor=UpShift(height)/windows->image.ximage->height; y_offset=DownShift((windows->image.y+y_offset)*y_factor)+y; if ((x_offset < 0) || (y_offset < 0)) continue; if ((x_offset >= (*image)->columns) || (y_offset >= (*image)->rows)) continue; XPutPixel(windows->image.ximage,x_offset,y_offset, windows->image.pixel_info->background_color.pixel); (*image)->class=DirectClass; if (!(*image)->matte) { /* Initialize matte data. */ p=(*image)->pixels; for (i=0; i < (*image)->packets; i++) { p->index=Opaque; p++; } (*image)->matte=True; } switch (method) { case PointMethodOp: default: { /* Update matte information using point algorithm. */ if (!UncompressImage(*image)) break; p=(*image)->pixels+(y_offset*(*image)->columns+x_offset); p->index=atoi(matte) & 0xff; break; } case ReplaceMethodOp: { RunlengthPacket target; /* Update matte information using replace algorithm. */ x=0; p=(*image)->pixels; for (i=0; i < (*image)->packets; i++) { x+=(p->length+1); if (x >= (y_offset*(*image)->columns+x_offset)) break; p++; } target=(*image)->pixels[i]; p=(*image)->pixels; for (i=0; i < (*image)->packets; i++) { if ((p->red == target.red) && (p->green == target.green) && (p->blue == target.blue)) p->index=atoi(matte) & 0xff; p++; } state&=(~UpdateConfigurationState); break; } case FloodfillMethodOp: { /* Update matte information using floodfill algorithm. */ if (!UncompressImage(*image)) break; MatteFloodfill(*image,x_offset,y_offset,atoi(matte) & 0xff); state&=(~UpdateConfigurationState); break; } case ResetMethodOp: { /* Update matte information using reset algorithm. */ p=(*image)->pixels; for (i=0; i < (*image)->packets; i++) { p->index=atoi(matte) & 0xff; p++; } if ((atoi(matte) & 0xff) == Opaque) (*image)->matte=False; state&=(~UpdateConfigurationState); break; } } } } while (!(state & ExitState)); XSelectInput(display,windows->image.id,windows->image.attributes.event_mask); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); XFreeCursor(display,cursor); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X P a n I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XPanImage pans the image until the mouse button is released. % % The format of the XPanImage routine is: % % XPanImage(display,windows,event) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o windows: Specifies a pointer to a XWindows structure. % % o event: Specifies a pointer to a XEvent structure. If it is NULL, % the entire image is refreshed. % */ static void XPanImage(display,windows,event) Display *display; XWindows *windows; XEvent *event; { char text[MaxTextLength]; Cursor cursor; unsigned long state; unsigned long x_factor, y_factor; XRectangle pan_info; /* Define cursor. */ if ((windows->image.ximage->width > windows->image.width) && (windows->image.ximage->height > windows->image.height)) cursor=XCreateFontCursor(display,XC_fleur); else if (windows->image.ximage->width > windows->image.width) cursor=XCreateFontCursor(display,XC_sb_h_double_arrow); else if (windows->image.ximage->height > windows->image.height) cursor=XCreateFontCursor(display,XC_sb_v_double_arrow); else cursor=XCreateFontCursor(display,XC_arrow); XDefineCursor(display,windows->pan.id,cursor); /* Pan image as pointer moves until the mouse button is released. */ x_factor=(unsigned long) UpShift(windows->image.ximage->width)/windows->pan.width; y_factor=(unsigned long) UpShift(windows->image.ximage->height)/windows->pan.height; pan_info.width=(unsigned short) (UpShift(windows->image.width)/x_factor); pan_info.height=(unsigned short) (UpShift(windows->image.height)/y_factor); state=UpdateConfigurationState; do { switch (event->type) { case ButtonPress: { /* User choose an initial pan location. */ pan_info.x=event->xbutton.x; pan_info.y=event->xbutton.y; state|=UpdateConfigurationState; break; } case ButtonRelease: { /* User has finished panning the image. */ pan_info.x=event->xbutton.x; pan_info.y=event->xbutton.y; state|=UpdateConfigurationState | ExitState; break; } case MotionNotify: { /* Discard pending button motion events. */ while (XCheckMaskEvent(display,ButtonMotionMask,event)); pan_info.x=event->xmotion.x; pan_info.y=event->xmotion.y; state|=UpdateConfigurationState; } default: break; } if (state & UpdateConfigurationState) { /* Check boundary conditions. */ pan_info.x=DownShift((pan_info.x-(pan_info.width >> 1))*x_factor); if (pan_info.x < 0) pan_info.x=0; else if ((pan_info.x+windows->image.width) > windows->image.ximage->width) pan_info.x=windows->image.ximage->width-windows->image.width; pan_info.y=DownShift((pan_info.y-(pan_info.height >> 1))*y_factor); if (pan_info.y < 0) pan_info.y=0; else if ((pan_info.y+windows->image.height) > windows->image.ximage->height) pan_info.y=windows->image.ximage->height-windows->image.height; if ((windows->image.x != pan_info.x) || (windows->image.y != pan_info.y)) { /* Display image pan offset. */ windows->image.x=pan_info.x; windows->image.y=pan_info.y; (void) sprintf(text," %ux%u%+d%+d ",windows->image.width, windows->image.height,windows->image.x,windows->image.y); XInfoWidget(display,windows,text); /* Refresh Image window. */ XDrawPanRectangle(display,windows); XRefreshWindow(display,&windows->image,(XEvent *) NULL); } state&=(~UpdateConfigurationState); } /* Wait for next event. */ if (!(state & ExitState)) XIfEvent(display,event,XScreenEvent,(char *) windows); } while (!(state & ExitState)); /* Restore cursor. */ XDefineCursor(display,windows->pan.id,windows->pan.cursor); XFreeCursor(display,cursor); XWithdrawWindow(display,windows->info.id,windows->info.screen); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X P a s t e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XPasteImage pastes an image previously saved with XCopyImage % in the X window image at a location the user chooses with the pointer. % % The format of the XPasteImage routine is: % % status=XPasteImage(display,resource_info,windows,image) % % A description of each parameter follows: % % o status: Function XPasteImage returns True if the image is % pasted. False is returned is there is a memory shortage or if the % image fails to be pasted. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o windows: Specifies a pointer to a XWindows structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % */ static unsigned int XPasteImage(display,resource_info,windows,image) Display *display; XResourceInfo *resource_info; XWindows *windows; Image *image; { #define PasteImageText " Pasting image... " #define PasteModeOperatorsOp 0 #define PasteModeHelpOp 1 #define PasteModeDismissOp 2 static char *PasteModeMenu[]= { "Operator", "Help", "Dismiss", (char *) NULL }; char text[MaxTextLength]; Cursor cursor; Image *paste_image; int id, x, y; RectangleInfo highlight_info, paste_info; static unsigned int operator = ReplaceCompositeOp; unsigned int height, width; unsigned long scale_factor, state; XEvent event; /* Copy image. */ if (copy_image == (Image *) NULL) return(False); copy_image->orphan=True; paste_image=CopyImage(copy_image,copy_image->columns,copy_image->rows,True); copy_image->orphan=False; /* Map Command widget. */ windows->command.name="Paste"; windows->command.data=1; (void) XCommandWidget(display,windows,PasteModeMenu,(XEvent *) NULL); XMapRaised(display,windows->command.id); XClientMessage(display,windows->image.id,windows->im_protocols, windows->im_update_widget,CurrentTime); /* Track pointer until button 1 is pressed. */ XSetCursorState(display,windows,False); XQueryPosition(display,windows->image.id,&x,&y); paste_info.x=windows->image.x+x; paste_info.y=windows->image.y+y; paste_info.width=0; paste_info.height=0; XSelectInput(display,windows->image.id,windows->image.attributes.event_mask | PointerMotionMask); cursor=XCreateFontCursor(display,XC_ul_angle); XSetFunction(display,windows->image.highlight_context,GXinvert); state=DefaultState; do { if (windows->info.mapped) { /* Display pointer position. */ (void) sprintf(text," %+d%+d ",paste_info.x,paste_info.y); XInfoWidget(display,windows,text); } highlight_info=paste_info; highlight_info.x=paste_info.x-windows->image.x; highlight_info.y=paste_info.y-windows->image.y; XHighlightRegion(display,windows->image.id,windows->image.highlight_context, &highlight_info); /* Wait for next event. */ XIfEvent(display,&event,XScreenEvent,(char *) windows); XHighlightRegion(display,windows->image.id,windows->image.highlight_context, &highlight_info); if (event.xany.window == windows->command.id) { /* Select a command from the Command widget. */ id=XCommandWidget(display,windows,PasteModeMenu,&event); if (id < 0) continue; switch (id) { case PasteModeOperatorsOp: { char command[MaxTextLength]; static char *OperatorMenu[]= { "over", "in", "out", "atop", "xor", "plus", "minus", "add", "subtract", "difference", "replace", (char *) NULL, }; /* Select a command from the pop-up menu. */ operator=XMenuWidget(display,windows,PasteModeMenu[id], OperatorMenu,command)+1; break; } case PasteModeHelpOp: { XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Compositing",ImagePasteHelp); break; } case PasteModeDismissOp: { /* Prematurely exit. */ state|=EscapeState; state|=ExitState; break; } default: break; } continue; } switch (event.type) { case ButtonPress: { if (resource_info->debug) (void) fprintf(stderr,"Button Press: 0x%lx %u +%d+%d\n", event.xbutton.window,event.xbutton.button,event.xbutton.x, event.xbutton.y); if (event.xbutton.window == windows->pan.id) { XPanImage(display,windows,&event); XInfoWidget(display,windows,text); break; } /* Paste rectangle is relative to image configuration. */ x=0; y=0; width=image->columns; height=image->rows; if (windows->image.crop_geometry != (char *) NULL) (void) XParseGeometry(windows->image.crop_geometry,&x,&y, &width,&height); scale_factor=UpShift(width)/windows->image.ximage->width; paste_info.width=DownShift(paste_image->columns*scale_factor); scale_factor=UpShift(height)/windows->image.ximage->height; paste_info.height=DownShift(paste_image->rows*scale_factor); XDefineCursor(display,windows->image.id,cursor); paste_info.x=windows->image.x+event.xbutton.x; paste_info.y=windows->image.y+event.xbutton.y; break; } case ButtonRelease: { if (resource_info->debug) (void) fprintf(stderr,"Button Release: 0x%lx %u +%d+%d\n", event.xbutton.window,event.xbutton.button,event.xbutton.x, event.xbutton.y); if ((paste_info.width != 0) && (paste_info.height != 0)) { /* User has selected the location of the paste image. */ paste_info.x=windows->image.x+event.xbutton.x; paste_info.y=windows->image.y+event.xbutton.y; state|=ExitState; } break; } case Expose: break; case KeyPress: { char command[MaxTextLength]; KeySym key_symbol; int length; if (event.xkey.window != windows->image.id) break; /* Respond to a user key press. */ length=XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); *(command+length)='\0'; if (resource_info->debug) (void) fprintf(stderr,"Key press: 0x%lx (%s)\n",key_symbol,command); switch (key_symbol) { case XK_Escape: case XK_F20: { /* Prematurely exit. */ DestroyImage(paste_image); state|=EscapeState; state|=ExitState; break; } case XK_F1: case XK_Help: { XSetFunction(display,windows->image.highlight_context,GXcopy); XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Compositing",ImagePasteHelp); XSetFunction(display,windows->image.highlight_context,GXinvert); break; } default: { XBell(display,0); break; } } break; } case MotionNotify: { /* Discard pending pointer motion events. */ while (XCheckMaskEvent(display,PointerMotionMask,&event)); x=event.xmotion.x; y=event.xmotion.y; /* Map and unmap Info widget as text cursor crosses its boundaries. */ if (windows->info.mapped) { if ((x < (windows->info.x+windows->info.width)) && (y < (windows->info.y+windows->info.height))) XWithdrawWindow(display,windows->info.id,windows->info.screen); } else if ((x > (windows->info.x+windows->info.width)) || (y > (windows->info.y+windows->info.height))) XMapWindow(display,windows->info.id); paste_info.x=windows->image.x+x; paste_info.y=windows->image.y+y; break; } default: { if (resource_info->debug) (void) fprintf(stderr,"Event type: %d\n",event.type); break; } } } while (!(state & ExitState)); XSetFunction(display,windows->image.highlight_context,GXcopy); XSelectInput(display,windows->image.id,windows->image.attributes.event_mask); XSetCursorState(display,windows,False); XFreeCursor(display,cursor); XWithdrawWindow(display,windows->info.id,windows->info.screen); if (state & EscapeState) return(True); /* Image pasting is relative to image configuration. */ windows->info.mapped=False; XInfoWidget(display,windows,PasteImageText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); x=0; y=0; width=image->columns; height=image->rows; if (windows->image.crop_geometry != (char *) NULL) (void) XParseGeometry(windows->image.crop_geometry,&x,&y,&width,&height); scale_factor=UpShift(width)/windows->image.ximage->width; paste_info.x+=x; paste_info.x=DownShift(paste_info.x*scale_factor); paste_info.width=DownShift(paste_info.width*scale_factor); scale_factor=UpShift(height)/windows->image.ximage->height; paste_info.y+=y; paste_info.y=DownShift(paste_info.y*scale_factor); paste_info.height=DownShift(paste_info.height*scale_factor); /* Paste image with X Image window. */ CompositeImage(image,operator,paste_image,paste_info.x,paste_info.y); DestroyImage(paste_image); XSetCursorState(display,windows,False); /* Update image colormap. */ XConfigureImageColormap(display,resource_info,windows,image); (void) XConfigureImage(display,resource_info,windows,image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X P r i n t I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XPrintImage prints an image to a Postscript printer. % % The format of the XPrintImage routine is: % % status=XPrintImage(display,resource_info,windows,image) % % A description of each parameter follows: % % o status: Function XPrintImage return True if the image is % printed. False is returned is there is a memory shortage or if the % image fails to print. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o windows: Specifies a pointer to a XWindows structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % */ static unsigned int XPrintImage(display,resource_info,windows,image) Display *display; XResourceInfo *resource_info; XWindows *windows; Image **image; { #define PrintImageText " Printing image... " char command[MaxTextLength], filename[MaxTextLength], geometry[MaxTextLength]; ImageInfo *image_info; int status; /* Request Postscript page geometry from user. */ image_info=resource_info->image_info; (void) sprintf(geometry,PSPageGeometry); if (image_info->page != (char *) NULL) (void) strcpy(geometry,image_info->page); XListBrowserWidget(display,windows,&windows->widget,PageSizes,"Select", "Select Postscript Page Geometry:",geometry); if (*geometry == '\0') return(True); image_info->page=PostscriptGeometry(geometry); /* Request file name from user. */ XCheckRefreshWindows(display,windows); TemporaryFilename(filename); (void) sprintf(command,resource_info->print_command,filename); XDialogWidget(display,windows,"Print","Print command:",command); if (*command == '\0') return(True); /* Print image. */ (void) XMagickCommand(display,resource_info,windows,0,(KeySym) XK_A,image); XInfoWidget(display,windows,PrintImageText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); (void) sprintf((*image)->filename,"ps:%s",filename); status=WriteImage(image_info,*image); status&=!SystemCommand(command); (void) unlink(filename); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); (void) XMagickCommand(display,resource_info,windows,0,(KeySym) XK_u,image); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X R O I I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XROIImage applies an image processing technique to a region % of interest. % % The format of the XROIImage routine is: % % status=XROIImage(display,resource_info,windows,image) % % A description of each parameter follows: % % o status: Function XROIImage returns True if the image is % cropped. False is returned is there is a memory shortage or if the % image fails to be cropped. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o windows: Specifies a pointer to a XWindows structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % */ static unsigned int XROIImage(display,resource_info,windows,image) Display *display; XResourceInfo *resource_info; XWindows *windows; Image **image; { #define ApplyModeMenus 5 #define ApplyModeFileOp 0 #define ApplyModeEditOp 1 #define ApplyModeTransformOp 2 #define ApplyModeEnhanceOp 3 #define ApplyModeEffectsOp 4 #define ApplyModeHelpOp 5 #define ApplyModeDismissOp 6 #define ROIModeHelpOp 0 #define ROIModeDismissOp 1 static char *ROIModeMenu[]= { "Help", "Dismiss", (char *) NULL }, *ApplyModeMenu[]= { "File", "Edit", "Transform", "Enhance", "Effects", "Help", "Dismiss", (char *) NULL }, *FileMenu[]= { "Image Info", (char *) NULL }, *EditMenu[]= { "Undo", (char *) NULL }, *TransformMenu[]= { "Flop", "Flip", "Rotate Right", "Rotate Left", (char *) NULL }, *EnhanceMenu[]= { "Hue...", "Saturation...", "Brightness...", "Gamma...", "Spiff", "Dull", "Equalize", "Normalize", "Negate", "Grayscale", "Quantize...", (char *) NULL }, *EffectsMenu[]= { "Despeckle", "Peak Noise", "Sharpen...", "Blur...", "Edge Detect", "Emboss", "Oil Painting", "Segment", (char *) NULL }; static char **Menus[ApplyModeMenus]= { FileMenu, EditMenu, TransformMenu, EnhanceMenu, EffectsMenu }; static KeySym ApplyModeKeys[]= { XK_VoidSymbol, XK_VoidSymbol, XK_VoidSymbol, XK_VoidSymbol, XK_VoidSymbol, XK_h, XK_q }, FileKeys[]= { XK_i, }, EditKeys[]= { XK_u, }, TransformKeys[]= { XK_bar, XK_minus, XK_slash, XK_backslash, }, EnhanceKeys[]= { XK_F7, XK_F8, XK_F9, XK_g, XK_F10, XK_F11, XK_equal, XK_N, XK_asciitilde, XK_G, XK_numbersign }, EffectsKeys[]= { XK_D, XK_P, XK_S, XK_B, XK_E, XK_M, XK_O, XK_Z, }; static KeySym *Keys[ApplyModeMenus]= { FileKeys, EditKeys, TransformKeys, EnhanceKeys, EffectsKeys, }; char command[MaxTextLength], text[MaxTextLength]; Cursor cursor; int entry, id, x, y; KeySym key_symbol; RectangleInfo highlight_info, roi_info; unsigned int height, width; unsigned long scale_factor, state; XEvent event; /* Map Command widget. */ windows->command.name="ROI"; windows->command.data=0; (void) XCommandWidget(display,windows,ROIModeMenu,(XEvent *) NULL); XMapRaised(display,windows->command.id); XClientMessage(display,windows->image.id,windows->im_protocols, windows->im_update_widget,CurrentTime); /* Track pointer until button 1 is pressed. */ XQueryPosition(display,windows->image.id,&x,&y); roi_info.x=windows->image.x+x; roi_info.y=windows->image.y+y; roi_info.width=0; roi_info.height=0; cursor=XCreateFontCursor(display,XC_fleur); XSelectInput(display,windows->image.id,windows->image.attributes.event_mask | PointerMotionMask); state=DefaultState; do { if (windows->info.mapped) { /* Display pointer position. */ (void) sprintf(text," %+d%+d ",roi_info.x,roi_info.y); XInfoWidget(display,windows,text); } /* Wait for next event. */ XIfEvent(display,&event,XScreenEvent,(char *) windows); if (event.xany.window == windows->command.id) { /* Select a command from the Command widget. */ id=XCommandWidget(display,windows,ROIModeMenu,&event); if (id < 0) continue; switch (id) { case ROIModeHelpOp: { XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Region of Interest",ImageROIHelp); break; } case ROIModeDismissOp: { /* Prematurely exit. */ state|=EscapeState; state|=ExitState; break; } default: break; } continue; } switch (event.type) { case ButtonPress: { if (event.xbutton.window == windows->pan.id) { XPanImage(display,windows,&event); XInfoWidget(display,windows,text); break; } if (event.xbutton.button == Button1) { /* Note first corner of region of interest rectangle-- exit loop. */ XDefineCursor(display,windows->image.id,cursor); roi_info.x=windows->image.x+event.xbutton.x; roi_info.y=windows->image.y+event.xbutton.y; state|=ExitState; break; } break; } case Expose: break; case KeyPress: { if (event.xkey.window != windows->image.id) break; /* Respond to a user key press. */ (void) XLookupString((XKeyEvent *) &event.xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); switch (key_symbol) { case XK_Escape: case XK_F20: { /* Prematurely exit. */ state|=EscapeState; state|=ExitState; break; } case XK_F1: case XK_Help: { XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Region of Interest",ImageROIHelp); break; } default: { XBell(display,0); break; } } break; } case MotionNotify: { /* Discard pending pointer motion events. */ while (XCheckMaskEvent(display,PointerMotionMask,&event)); x=event.xmotion.x; y=event.xmotion.y; /* Map and unmap Info widget as text cursor crosses its boundaries. */ if (windows->info.mapped) { if ((x < (windows->info.x+windows->info.width)) && (y < (windows->info.y+windows->info.height))) XWithdrawWindow(display,windows->info.id,windows->info.screen); } else if ((x > (windows->info.x+windows->info.width)) || (y > (windows->info.y+windows->info.height))) XMapWindow(display,windows->info.id); roi_info.x=windows->image.x+x; roi_info.y=windows->image.y+y; break; } default: break; } } while (!(state & ExitState)); XSelectInput(display,windows->image.id,windows->image.attributes.event_mask); if (state & EscapeState) { /* User want to exit without region of interest. */ XWithdrawWindow(display,windows->info.id,windows->info.screen); XFreeCursor(display,cursor); return(True); } XSetFunction(display,windows->image.highlight_context,GXinvert); do { /* Size rectangle as pointer moves until the mouse button is released. */ x=roi_info.x; y=roi_info.y; roi_info.width=0; roi_info.height=0; state=DefaultState; XSelectInput(display,windows->image.id, windows->image.attributes.event_mask | PointerMotionMask); do { highlight_info=roi_info; highlight_info.x=roi_info.x-windows->image.x; highlight_info.y=roi_info.y-windows->image.y; if ((highlight_info.width > 3) && (highlight_info.height > 3)) { /* Display info and draw region of interest rectangle. */ if (!windows->info.mapped) XMapWindow(display,windows->info.id); (void) sprintf(text," %ux%u%+d%+d",roi_info.width,roi_info.height, roi_info.x,roi_info.y); XInfoWidget(display,windows,text); XHighlightRegion(display,windows->image.id, windows->image.highlight_context,&highlight_info); } else if (windows->info.mapped) XWithdrawWindow(display,windows->info.id,windows->info.screen); /* Wait for next event. */ XIfEvent(display,&event,XScreenEvent,(char *) windows); if ((highlight_info.width > 3) && (highlight_info.height > 3)) XHighlightRegion(display,windows->image.id, windows->image.highlight_context,&highlight_info); if (event.xany.window == windows->command.id) { /* Select a command from the Command widget. */ id=XCommandWidget(display,windows,ROIModeMenu,&event); if (id < 0) continue; switch (id) { case ROIModeHelpOp: { XSetFunction(display,windows->image.highlight_context,GXcopy); XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Region of Interest",ImageROIHelp); XSetFunction(display,windows->image.highlight_context,GXinvert); break; } case ROIModeDismissOp: { /* Prematurely exit. */ state|=EscapeState; state|=ExitState; break; } default: break; } continue; } switch (event.type) { case ButtonPress: { if (event.xbutton.window == windows->pan.id) { XPanImage(display,windows,&event); XInfoWidget(display,windows,text); break; } roi_info.x=windows->image.x+event.xbutton.x; roi_info.y=windows->image.y+event.xbutton.y; break; } case ButtonRelease: { /* User has committed to region of interest rectangle. */ roi_info.x=windows->image.x+event.xbutton.x; roi_info.y=windows->image.y+event.xbutton.y; XSetCursorState(display,windows,False); state|=ExitState; if (strcmp(windows->command.name,"Apply") == 0) break; windows->command.name="Apply"; windows->command.data=ApplyModeMenus; (void) XCommandWidget(display,windows,ApplyModeMenu,(XEvent *) NULL); break; } case Expose: break; case MotionNotify: { /* Discard pending button motion events. */ while (XCheckMaskEvent(display,ButtonMotionMask,&event)); roi_info.x=windows->image.x+event.xmotion.x; roi_info.y=windows->image.y+event.xmotion.y; } default: break; } if (((roi_info.x != x) && (roi_info.y != y)) || (state & ExitState)) { /* Check boundary conditions. */ if (roi_info.x < 0) roi_info.x=0; else if (roi_info.x > windows->image.ximage->width) roi_info.x=windows->image.ximage->width; if (roi_info.x < x) roi_info.width=(unsigned int) (x-roi_info.x); else { roi_info.width=(unsigned int) (roi_info.x-x); roi_info.x=x; } if (roi_info.y < 0) roi_info.y=0; else if (roi_info.y > windows->image.ximage->height) roi_info.y=windows->image.ximage->height; if (roi_info.y < y) roi_info.height=(unsigned int) (y-roi_info.y); else { roi_info.height=(unsigned int) (roi_info.y-y); roi_info.y=y; } } } while (!(state & ExitState)); XSelectInput(display,windows->image.id, windows->image.attributes.event_mask); /* Wait for user to grab a corner of the rectangle or press return. */ state=DefaultState; do { if (windows->info.mapped) { /* Display pointer position. */ (void) sprintf(text," %ux%u%+d%+d",roi_info.width,roi_info.height, roi_info.x,roi_info.y); XInfoWidget(display,windows,text); } highlight_info=roi_info; highlight_info.x=roi_info.x-windows->image.x; highlight_info.y=roi_info.y-windows->image.y; if ((highlight_info.width <= 3) || (highlight_info.height <= 3)) { state|=EscapeState; state|=ExitState; break; } if (state & UpdateRegionState) { XSetFunction(display,windows->image.highlight_context,GXcopy); if ((key_symbol == XK_i) || (key_symbol == XK_u)) (void) XMagickCommand(display,resource_info,windows,0,key_symbol, image); else { Image *roi_image; RectangleInfo crop_info; /* Region of interest is relative to image configuration. */ crop_info=roi_info; x=0; y=0; width=(*image)->columns; height=(*image)->rows; if (windows->image.crop_geometry != (char *) NULL) (void) XParseGeometry(windows->image.crop_geometry,&x,&y, &width,&height); scale_factor=UpShift(width)/windows->image.ximage->width; crop_info.x+=x; crop_info.x=DownShift(crop_info.x*scale_factor); crop_info.width=DownShift(crop_info.width*scale_factor); scale_factor=UpShift(height)/windows->image.ximage->height; crop_info.y+=y; crop_info.y=DownShift(crop_info.y*scale_factor); crop_info.height=DownShift(crop_info.height*scale_factor); roi_image=CropImage(*image,&crop_info); if (roi_image == (Image *) NULL) continue; /* Apply image processing technique to the region of interest. */ windows->image.orphan=True; (void) XMagickCommand(display,resource_info,windows,Mod5Mask, key_symbol,&roi_image); (void) XMagickCommand(display,resource_info,windows,0, (KeySym) XK_Select,image); windows->image.orphan=False; CompositeImage(*image,ReplaceCompositeOp,roi_image, crop_info.x,crop_info.y); DestroyImage(roi_image); } if (key_symbol != XK_i) { windows->info.mapped=False; XConfigureImageColormap(display,resource_info,windows,*image); (void) XConfigureImage(display,resource_info,windows,*image); } XCheckRefreshWindows(display,windows); XInfoWidget(display,windows,text); XSetFunction(display,windows->image.highlight_context,GXinvert); state&=(~UpdateRegionState); } XHighlightRegion(display,windows->image.id, windows->image.highlight_context,&highlight_info); XIfEvent(display,&event,XScreenEvent,(char *) windows); if (event.xany.window == windows->command.id) { /* Select a command from the Command widget. */ XSetFunction(display,windows->image.highlight_context,GXcopy); key_symbol=XK_VoidSymbol; id=XCommandWidget(display,windows,ApplyModeMenu,&event); if (id >= 0) { (void) strcpy(command,ApplyModeMenu[id]); key_symbol=ApplyModeKeys[id]; if (id < ApplyModeMenus) { /* Select a command from a pop-up menu. */ entry=XMenuWidget(display,windows,ApplyModeMenu[id],Menus[id], command); if (entry >= 0) { (void) strcpy(command,Menus[id][entry]); key_symbol=Keys[id][entry]; } } } XSetFunction(display,windows->image.highlight_context,GXinvert); XHighlightRegion(display,windows->image.id, windows->image.highlight_context,&highlight_info); if (key_symbol == XK_h) { XSetFunction(display,windows->image.highlight_context,GXcopy); XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Region of Interest",ImageROIHelp); XSetFunction(display,windows->image.highlight_context,GXinvert); continue; } if (key_symbol == XK_q) { /* Exit. */ state|=EscapeState; state|=ExitState; continue; } if (key_symbol != XK_VoidSymbol) state|=UpdateRegionState; continue; } XHighlightRegion(display,windows->image.id, windows->image.highlight_context,&highlight_info); switch (event.type) { case ButtonPress: { if (event.xbutton.window == windows->pan.id) { XPanImage(display,windows,&event); XInfoWidget(display,windows,text); break; } if (event.xbutton.window != windows->image.id) break; x=windows->image.x+event.xbutton.x; y=windows->image.y+event.xbutton.y; if ((x < (roi_info.x+RoiDelta)) && (x > (roi_info.x-RoiDelta)) && (y < (roi_info.y+RoiDelta)) && (y > (roi_info.y-RoiDelta))) { roi_info.x=roi_info.x+roi_info.width; roi_info.y=roi_info.y+roi_info.height; state|=UpdateConfigurationState; break; } if ((x < (roi_info.x+RoiDelta)) && (x > (roi_info.x-RoiDelta)) && (y < (roi_info.y+roi_info.height+RoiDelta)) && (y > (roi_info.y+roi_info.height-RoiDelta))) { roi_info.x=roi_info.x+roi_info.width; state|=UpdateConfigurationState; break; } if ((x < (roi_info.x+roi_info.width+RoiDelta)) && (x > (roi_info.x+roi_info.width-RoiDelta)) && (y < (roi_info.y+RoiDelta)) && (y > (roi_info.y-RoiDelta))) { roi_info.y=roi_info.y+roi_info.height; state|=UpdateConfigurationState; break; } if ((x < (roi_info.x+roi_info.width+RoiDelta)) && (x > (roi_info.x+roi_info.width-RoiDelta)) && (y < (roi_info.y+roi_info.height+RoiDelta)) && (y > (roi_info.y+roi_info.height-RoiDelta))) { state|=UpdateConfigurationState; break; } } case ButtonRelease: break; case Expose: { if (event.xexpose.window == windows->image.id) if (event.xexpose.count == 0) { event.xexpose.x=highlight_info.x; event.xexpose.y=highlight_info.y; event.xexpose.width=highlight_info.width; event.xexpose.height=highlight_info.height; XRefreshWindow(display,&windows->image,&event); } if (event.xexpose.window == windows->info.id) if (event.xexpose.count == 0) XInfoWidget(display,windows,text); break; } case KeyPress: { if (event.xkey.window != windows->image.id) break; /* Respond to a user key press. */ (void) XLookupString((XKeyEvent *) &event.xkey,command, sizeof(command),&key_symbol,(XComposeStatus *) NULL); for (id=0; id < ApplyModeMenus; id++) { for (entry=0; Menus[id][entry] != (char *) NULL; entry++) if (key_symbol == Keys[id][entry]) { state|=UpdateRegionState; break; } if (state & UpdateRegionState) break; } if (state & UpdateRegionState) break; switch (key_symbol) { case XK_Shift_L: case XK_Shift_R: break; case XK_Escape: case XK_F20: state|=EscapeState; case XK_Return: { state|=ExitState; break; } case XK_F1: case XK_Help: { XSetFunction(display,windows->image.highlight_context,GXcopy); XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Region of Interest",ImageROIHelp); XSetFunction(display,windows->image.highlight_context,GXinvert); break; } default: { XBell(display,0); break; } } break; } case KeyRelease: break; case MotionNotify: { /* Discard pending pointer motion events. */ while (XCheckMaskEvent(display,ButtonMotionMask,&event)); x=event.xmotion.x; y=event.xmotion.y; /* Map and unmap Info widget as text cursor crosses its boundaries. */ if (windows->info.mapped) { if ((x < (windows->info.x+windows->info.width)) && (y < (windows->info.y+windows->info.height))) XWithdrawWindow(display,windows->info.id,windows->info.screen); } else if ((x > (windows->info.x+windows->info.width)) || (y > (windows->info.y+windows->info.height))) XMapWindow(display,windows->info.id); break; } default: break; } if (state & UpdateConfigurationState) { XPutBackEvent(display,&event); XDefineCursor(display,windows->image.id,cursor); break; } } while (!(state & ExitState)); } while (!(state & ExitState)); XSetFunction(display,windows->image.highlight_context,GXcopy); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); if (state & EscapeState) return(True); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X R o t a t e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XRotateImage rotates the X image. If the degrees parameter % if zero, the rotation angle is computed from the slope of a line drawn by % the user. % % The format of the XRotateImage routine is: % % status=XRotateImage(display,resource_info,windows,degrees,image) % % A description of each parameter follows: % % o status: Function XRotateImage return True if the image is % rotated. False is returned is there is a memory shortage or if the % image fails to rotate. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o windows: Specifies a pointer to a XWindows structure. % % o degrees: Specifies the number of degrees to rotate the image. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % */ static unsigned int XRotateImage(display,resource_info,windows,degrees, image) Display *display; XResourceInfo *resource_info; XWindows *windows; double degrees; Image **image; { #define RotateImageText " Rotating image... " #define RotateModeColorOp 0 #define RotateModeDirectionOp 1 #define RotateModeHelpOp 2 #define RotateModeDismissOp 3 #define HorizontalRotateOp 0 #define VerticalRotateOp 1 static char *RotateModeMenu[]= { "Pixel Color", "Direction", "Help", "Dismiss", (char *) NULL }; char text[MaxTextLength]; ColorPacket background; double normalized_degrees; Image *rotated_image; int id, x, y; register int i; static unsigned int direction = HorizontalRotateOp, pen_id = 0; unsigned int height, rotations, status, width; if (degrees == 0.0) { unsigned int distance; unsigned long state; XEvent event; XSegment rotate_info; /* Map Command widget. */ windows->command.name="Rotate"; windows->command.data=2; (void) XCommandWidget(display,windows,RotateModeMenu,(XEvent *) NULL); XMapRaised(display,windows->command.id); XClientMessage(display,windows->image.id,windows->im_protocols, windows->im_update_widget,CurrentTime); /* Wait for first button press. */ XSetFunction(display,windows->image.highlight_context,GXinvert); XSelectInput(display,windows->image.id, windows->image.attributes.event_mask | PointerMotionMask); XQueryPosition(display,windows->image.id,&x,&y); rotate_info.x1=x; rotate_info.y1=y; rotate_info.x2=x; rotate_info.y2=y; state=DefaultState; do { XHighlightLine(display,windows->image.id, windows->image.highlight_context,&rotate_info); /* Wait for next event. */ XIfEvent(display,&event,XScreenEvent,(char *) windows); XHighlightLine(display,windows->image.id, windows->image.highlight_context,&rotate_info); if (event.xany.window == windows->command.id) { /* Select a command from the Command widget. */ id=XCommandWidget(display,windows,RotateModeMenu,&event); if (id < 0) continue; XSetFunction(display,windows->image.highlight_context,GXcopy); switch (id) { case RotateModeColorOp: { char color_name[MaxTextLength], *ColorMenu[MaxNumberPens+1]; int pen_number; /* Initialize menu selections. */ for (i=0; i < MaxNumberPens; i++) ColorMenu[i]=resource_info->pen_color[i]; ColorMenu[MaxNumberPens-1]="Browser..."; ColorMenu[MaxNumberPens]=(char *) NULL; /* Select a pen color from the pop-up menu. */ pen_number=XMenuWidget(display,windows,RotateModeMenu[id], ColorMenu,color_name); if (pen_number == (MaxNumberPens-1)) { static char color_name[MaxTextLength]="gray"; /* Select a pen color from a dialog. */ resource_info->pen_color[MaxNumberPens-1]=color_name; XColorBrowserWidget(display,windows,"Select",color_name); if (*color_name == '\0') break; } if (pen_number >= 0) { /* Set pen color. */ pen_id=pen_number; (void) strcpy(color_name,resource_info->pen_color[pen_id]); status=XParseColor(display, windows->image.map_info->colormap,color_name, &windows->image.pixel_info->pen_color[pen_id]); if (status == 0) XNoticeWidget(display,windows, "Color is unknown to X server",color_name); XBestPixel(display,windows->image.map_info->colormap, (XColor *) NULL,(unsigned int) Min(windows->image.visual_info->colormap_size,256), &windows->image.pixel_info->pen_color[pen_id]); } break; } case RotateModeDirectionOp: { char command[MaxTextLength]; static char *Directions[]= { "horizontal", "vertical", (char *) NULL, }; /* Select a command from the pop-up menu. */ direction=XMenuWidget(display,windows,RotateModeMenu[id], Directions,command); break; } case RotateModeHelpOp: { XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Rotation",ImageRotateHelp); break; } case RotateModeDismissOp: { /* Prematurely exit. */ state|=EscapeState; state|=ExitState; break; } default: break; } XSetFunction(display,windows->image.highlight_context,GXinvert); continue; } switch (event.type) { case ButtonPress: { if (event.xbutton.window == windows->pan.id) { XPanImage(display,windows,&event); XInfoWidget(display,windows,text); break; } XSetFunction(display,windows->image.highlight_context,GXcopy); /* Exit loop. */ rotate_info.x1=event.xbutton.x; rotate_info.y1=event.xbutton.y; state|=ExitState; break; } case ButtonRelease: break; case Expose: break; case KeyPress: { char command[MaxTextLength]; KeySym key_symbol; if (event.xkey.window != windows->image.id) break; /* Respond to a user key press. */ (void) XLookupString((XKeyEvent *) &event.xkey,command, sizeof(command),&key_symbol,(XComposeStatus *) NULL); switch (key_symbol) { case XK_Escape: case XK_F20: { /* Prematurely exit. */ state|=EscapeState; state|=ExitState; break; } case XK_F1: case XK_Help: { XSetFunction(display,windows->image.highlight_context,GXcopy); XTextViewWidget(display,resource_info,windows,False, "Help Viewer - Image Rotation",ImageRotateHelp); XSetFunction(display,windows->image.highlight_context,GXinvert); break; } default: { XBell(display,0); break; } } break; } case MotionNotify: { /* Discard pending pointer motion events. */ while (XCheckMaskEvent(display,PointerMotionMask,&event)); rotate_info.x1=event.xmotion.x; rotate_info.y1=event.xmotion.y; } } rotate_info.x2=rotate_info.x1; rotate_info.y2=rotate_info.y1; if (direction == HorizontalRotateOp) rotate_info.x2+=32; else rotate_info.y2-=32; } while (!(state & ExitState)); XSelectInput(display,windows->image.id, windows->image.attributes.event_mask); XSetFunction(display,windows->image.highlight_context,GXcopy); XWithdrawWindow(display,windows->info.id,windows->info.screen); if (state & EscapeState) return(True); /* Draw line as pointer moves until the mouse button is released. */ distance=0; XSetFunction(display,windows->image.highlight_context,GXinvert); state=DefaultState; do { if (distance > 9) { /* Display info and draw rotation line. */ if (!windows->info.mapped) XMapWindow(display,windows->info.id); (void) sprintf(text," %.2f", direction == VerticalRotateOp ? degrees-90.0 : degrees); XInfoWidget(display,windows,text); XHighlightLine(display,windows->image.id, windows->image.highlight_context,&rotate_info); } else if (windows->info.mapped) XWithdrawWindow(display,windows->info.id,windows->info.screen); /* Wait for next event. */ XIfEvent(display,&event,XScreenEvent,(char *) windows); if (distance > 9) XHighlightLine(display,windows->image.id, windows->image.highlight_context,&rotate_info); switch (event.type) { case ButtonPress: break; case ButtonRelease: { /* User has committed to rotation line. */ rotate_info.x2=event.xbutton.x; rotate_info.y2=event.xbutton.y; state|=ExitState; break; } case Expose: break; case MotionNotify: { /* Discard pending button motion events. */ while (XCheckMaskEvent(display,ButtonMotionMask,&event)); rotate_info.x2=event.xmotion.x; rotate_info.y2=event.xmotion.y; } default: break; } /* Check boundary conditions. */ if (rotate_info.x2 < 0) rotate_info.x2=0; else if (rotate_info.x2 > windows->image.width) rotate_info.x2=windows->image.width; if (rotate_info.y2 < 0) rotate_info.y2=0; else if (rotate_info.y2 > windows->image.height) rotate_info.y2=windows->image.height; /* Compute rotation angle from the slope of the line. */ degrees=0.0; distance= ((rotate_info.x2-rotate_info.x1+1)*(rotate_info.x2-rotate_info.x1+1))+ ((rotate_info.y2-rotate_info.y1+1)*(rotate_info.y2-rotate_info.y1+1)); if (distance > 9) degrees=RadiansToDegrees(-atan2((double) (rotate_info.y2- rotate_info.y1),(double) (rotate_info.x2-rotate_info.x1))); } while (!(state & ExitState)); XSetFunction(display,windows->image.highlight_context,GXcopy); XWithdrawWindow(display,windows->info.id,windows->info.screen); windows->info.mapped=False; if (distance <= 9) return(True); } if (direction == VerticalRotateOp) degrees-=90.0; if (degrees == 0.0) return(True); /* Rotate image. */ normalized_degrees=degrees; while (normalized_degrees < -45.0) normalized_degrees+=360.0; for (rotations=0; normalized_degrees > 45.0; rotations++) normalized_degrees-=90.0; if (normalized_degrees != 0.0) (void) XMagickCommand(display,resource_info,windows,0,(KeySym) XK_A,image); XInfoWidget(display,windows,RotateImageText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); background.red=XDownScale(windows->image.pixel_info->pen_color[pen_id].red); background.green= XDownScale(windows->image.pixel_info->pen_color[pen_id].green); background.blue=XDownScale(windows->image.pixel_info->pen_color[pen_id].blue); background.index=0; rotated_image=RotateImage(*image,degrees,&background,False); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); if (rotated_image == (Image *) NULL) return(False); DestroyImage(*image); *image=rotated_image; if (windows->image.crop_geometry != (char *) NULL) { /* Rotate crop geometry. */ (void) XParseGeometry(windows->image.crop_geometry,&x,&y,&width,&height); switch (rotations % 4) { default: case 0: break; case 1: { /* Rotate 90 degrees. */ (void) sprintf(windows->image.crop_geometry,"%ux%u%+d%+d", height,width,(int) (*image)->columns-(int) height-y,x); break; } case 2: { /* Rotate 180 degrees. */ (void) sprintf(windows->image.crop_geometry,"%ux%u%+d%+d", width,height,(int) width-x,(int) height-y); break; } case 3: { /* Rotate 270 degrees. */ (void) sprintf(windows->image.crop_geometry,"%ux%u%+d%+d", height,width,y,(int) (*image)->rows-(int) width-x); break; } } } if (windows->image.orphan) return(True); if (normalized_degrees != 0.0) { /* Update image colormap. */ windows->image.window_changes.width=(*image)->columns; windows->image.window_changes.height=(*image)->rows; if (windows->image.crop_geometry != (char *) NULL) { /* Obtain dimensions of image from crop geometry. */ (void) XParseGeometry(windows->image.crop_geometry,&x,&y, &width,&height); windows->image.window_changes.width=width; windows->image.window_changes.height=height; } XConfigureImageColormap(display,resource_info,windows,*image); } else if (((rotations % 4) == 1) || ((rotations % 4) == 3)) { windows->image.window_changes.width=windows->image.ximage->height; windows->image.window_changes.height=windows->image.ximage->width; } /* Update image configuration. */ (void) XConfigureImage(display,resource_info,windows,*image); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X S a v e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XSaveImage saves an image to a file. % % The format of the XSaveImage routine is: % % status=XSaveImage(display,resource_info,windows,image) % % A description of each parameter follows: % % o status: Function XSaveImage return True if the image is % written. False is returned is there is a memory shortage or if the % image fails to write. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o windows: Specifies a pointer to a XWindows structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % */ static unsigned int XSaveImage(display,resource_info,windows,image) Display *display; XResourceInfo *resource_info; XWindows *windows; Image **image; { #define SaveImageText " Save image... " char filename[MaxTextLength]; ImageInfo *image_info; int status; register char *p; /* Request file name from user. */ p=(*image)->filename+strlen((*image)->filename)-1; while ((p > (*image)->filename) && (*(p-1) != *BasenameSeparator)) p--; (void) strcpy(filename,p); if (resource_info->write_filename != (char *) NULL) (void) strcpy(filename,resource_info->write_filename); XFileBrowserWidget(display,windows,"Save",filename); if (*filename == '\0') return(True); if (access(filename,0) == 0) { /* File exists-- seek user's permission before overwriting. */ status=XConfirmWidget(display,windows,"Overwrite",filename); if (status == False) return(True); } image_info=resource_info->image_info; (void) strcpy(image_info->filename,filename); SetImageMagick(resource_info->image_info); if ((strcmp(image_info->magick,"JPEG") == 0) || (strcmp(image_info->magick,"JPG") == 0)) { char quality[MaxTextLength]; /* Request JPEG quality from user. */ (void) sprintf(quality,"%u",image_info->quality); XDialogWidget(display,windows,"Save","Enter JPEG quality:",quality); if (*quality == '\0') return(True); image_info->quality=atoi(quality); } if ((strcmp(image_info->magick,"EPS") == 0) || (strcmp(image_info->magick,"PS") == 0) || (strcmp(image_info->magick,"PS2") == 0)) { char geometry[MaxTextLength]; /* Request Postscript page geometry from user. */ (void) sprintf(geometry,PSPageGeometry); if (image_info->page != (char *) NULL) (void) strcpy(geometry,image_info->page); XListBrowserWidget(display,windows,&windows->widget,PageSizes,"Select", "Select Postscript Page Geometry:",geometry); if (*geometry != '\0') image_info->page=PostscriptGeometry(geometry); } /* Write image. */ (void) XMagickCommand(display,resource_info,windows,0,(KeySym) XK_A,image); XInfoWidget(display,windows,SaveImageText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); (void) strcpy((*image)->filename,filename); status=WriteImage(image_info,*image); XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); (void) XMagickCommand(display,resource_info,windows,0,(KeySym) XK_u,image); return(status); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X S c r e e n E v e n t % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XScreenEvent returns True if the certain events on the X server % queue is associated with the image or Magnify window. % % The format of the XScreenEvent function is: % % XScreenEvent(display,event,data) % % A description of each parameter follows: % % o display: Specifies a pointer to the Display structure; returned from % XOpenDisplay. % % o event: Specifies a pointer to a X11 XEvent structure. % % o data: Specifies a pointer to a XWindows structure. % % */ static int XScreenEvent(display,event,data) Display *display; XEvent *event; char *data; { register int x, y; register XWindows *windows; windows=(XWindows *) data; if (event->xany.window == windows->command.id) return(True); switch (event->type) { case ButtonPress: { if ((event->xbutton.button == Button3) && (event->xbutton.state & Mod1Mask)) { /* Convert Alt-Button3 to Button2. */ event->xbutton.button=Button2; event->xbutton.state&=(~Mod1Mask); } if (event->xbutton.window == windows->backdrop.id) XSetInputFocus(display,event->xbutton.window,RevertToParent, event->xbutton.time); return(True); } case ButtonRelease: { if (event->xbutton.window == windows->image.id) if (windows->magnify.mapped) { /* Update magnified image. */ x=event->xbutton.x; y=event->xbutton.y; if (x < 0) x=0; else if (x >= windows->image.width) x=windows->image.width-1; windows->magnify.x=windows->image.x+x; if (y < 0) y=0; else if (y >= windows->image.height) y=windows->image.height-1; windows->magnify.y=windows->image.y+y; XMakeMagnifyImage(display,windows); } return(True); } case ClientMessage: { /* If client window delete message, exit. */ if (event->xclient.message_type != windows->wm_protocols) break; if (*event->xclient.data.l != windows->wm_delete_window) break; if (event->xclient.window == windows->magnify.id) { XWithdrawWindow(display,windows->magnify.id,windows->magnify.screen); return(True); } break; } case Expose: { if (event->xexpose.window == windows->image.id) { XRefreshWindow(display,&windows->image,event); return(True); } if (event->xexpose.window == windows->pan.id) if (event->xexpose.count == 0) { XDrawPanRectangle(display,windows); return(True); } break; } case KeyPress: { char command[MaxTextLength]; KeySym key_symbol; /* Respond to a user key press. */ (void) XLookupString((XKeyEvent *) &event->xkey,command,sizeof(command), &key_symbol,(XComposeStatus *) NULL); if (event->xkey.window == windows->magnify.id) XMagnifyWindowCommand(display,windows,key_symbol); return(True); } case MapNotify: { if (event->xmap.window == windows->magnify.id) { XMakeMagnifyImage(display,windows); windows->magnify.mapped=True; return(True); } if (event->xmap.window == windows->info.id) { windows->info.mapped=True; return(True); } break; } case MotionNotify: { if (event->xmotion.window == windows->image.id) if (windows->magnify.mapped) { /* Update magnified image. */ x=event->xmotion.x; y=event->xmotion.y; if (x < 0) x=0; else if (x >= windows->image.width) x=windows->image.width-1; windows->magnify.x=windows->image.x+x; if (y < 0) y=0; else if (y >= windows->image.height) y=windows->image.height-1; windows->magnify.y=windows->image.y+y; XMakeMagnifyImage(display,windows); } return(True); } case UnmapNotify: { if (event->xunmap.window == windows->magnify.id) { windows->magnify.mapped=False; return(True); } if (event->xunmap.window == windows->info.id) { windows->info.mapped=False; return(True); } break; } case KeyRelease: case SelectionNotify: return(True); default: break; } return(False); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X S e t C r o p G e o m e t r y % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XSetCropGeometry accepts a cropping geometry relative to the % Image window and translates it to a cropping geometry relative to the % image. % % The format of the XSetCropGeometry routine is: % % XSetCropGeometry(display,windows,crop_info,image) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o windows: Specifies a pointer to a XWindows structure. % % o crop_info: A pointer to a RectangleInfo that defines a region of the % Image window to crop. % % o image: Specifies a pointer to a Image structure. % % */ static void XSetCropGeometry(display,windows,crop_info,image) Display *display; XWindows *windows; RectangleInfo *crop_info; Image *image; { char text[MaxTextLength]; int x, y; unsigned int height, width; unsigned long scale_factor; if (windows->info.mapped) { /* Display info on cropping rectangle. */ (void) sprintf(text," %ux%u%+d%+d",crop_info->width,crop_info->height, crop_info->x,crop_info->y); XInfoWidget(display,windows,text); } /* Cropping geometry is relative to any previous crop geometry. */ x=0; y=0; width=image->columns; height=image->rows; if (windows->image.crop_geometry != (char *) NULL) (void) XParseGeometry(windows->image.crop_geometry,&x,&y,&width,&height); else { /* Allocate crop geometry string. */ windows->image.crop_geometry=(char *) malloc(MaxTextLength*sizeof(char)); if (windows->image.crop_geometry == (char *) NULL) Error("Unable to crop X image",windows->image.name); } /* Define the crop geometry string from the cropping rectangle. */ scale_factor=UpShift(width)/windows->image.ximage->width; if (crop_info->x > 0) x+=DownShift(crop_info->x*scale_factor); width=DownShift(crop_info->width*scale_factor); if (width == 0) width=1; scale_factor=UpShift(height)/windows->image.ximage->height; if (crop_info->y > 0) y+=DownShift(crop_info->y*scale_factor); height=DownShift(crop_info->height*scale_factor); if (height == 0) height=1; (void) sprintf(windows->image.crop_geometry,"%ux%u%+d%+d",width,height,x,y); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X T i l e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XTileImage loads or deletes a selected tile from a visual % image directory. The load or delete command is choosen from a menu. % % The format of the XTileImage routine is: % % tiled_image=XTileImage(display,resource_info,windows,image,event) % % A description of each parameter follows: % % o tiled_image: XTileImage reads or deletes the tiled image % and returns it. A null image is returned if an error occurs. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o windows: Specifies a pointer to a XWindows structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % o event: Specifies a pointer to a XEvent structure. If it is NULL, % the entire image is refreshed. % % */ static Image *XTileImage(display,resource_info,windows,image,event) Display *display; XResourceInfo *resource_info; XWindows *windows; Image *image; XEvent *event; { #define LoadVerbOp 0 #define DeleteVerbOp 1 #define LoadVerbText " Loading image... " char command[MaxTextLength], filename[MaxTextLength]; Image *tiled_image; int tile, verb, x, y; register char *p, *q; register int i; static char *VerbMenu[]= { "Load", "Delete", (char *) NULL, }; unsigned int height, width; unsigned long scale_factor; /* Tile image is relative to montage image configuration. */ x=0; y=0; width=image->columns; height=image->rows; if (windows->image.crop_geometry != (char *) NULL) (void) XParseGeometry(windows->image.crop_geometry,&x,&y,&width,&height); scale_factor=UpShift(width)/windows->image.ximage->width; event->xbutton.x+=windows->image.x; event->xbutton.x=DownShift(event->xbutton.x*scale_factor)+x; scale_factor=UpShift(height)/windows->image.ximage->height; event->xbutton.y+=windows->image.y; event->xbutton.y=DownShift(event->xbutton.y*scale_factor)+y; /* Determine size and location of each tile in tghe visual image directory. */ x=0; y=0; width=image->columns; height=image->rows; (void) XParseGeometry(image->montage,&x,&y,&width,&height); tile=((event->xbutton.y-y)/height)*((image->columns-x)/width)+ (event->xbutton.x-x)/width; if (tile < 0) { /* Button press is outside any tile. */ XBell(display,0); return((Image *) NULL); } /* Determine file name from the tile directory. */ p=image->directory; for (i=tile; (i != 0) && (*p != '\0'); ) { if (*p == '\n') i--; p++; } if (*p == '\0') { /* Button press is outside any tile. */ XBell(display,0); return((Image *) NULL); } /* Select a command from the pop-up menu. */ verb=XMenuWidget(display,windows,"Tile Verb",VerbMenu,command); if (verb < 0) return((Image *) NULL); q=p; while ((*q != '\n') && (*q != '\0')) q++; (void) strncpy(filename,p,q-p); filename[q-p]='\0'; /* Perform command for the selected tile. */ XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); tiled_image=(Image *) NULL; switch (verb) { case DeleteVerbOp: { int status, x_offset, y_offset; register RunlengthPacket *p; if (access(filename,0) != 0) { XNoticeWidget(display,windows,"Image file does not exist:",filename); break; } /* Delete tile image. */ status=XConfirmWidget(display,windows,"Really delete tile",filename); if (status == False) break; status=unlink(filename); if (status != False) { XNoticeWidget(display,windows,"Unable to delete image file:", filename); break; } /* Overwrite tile with background color. */ if (!UncompressImage(image)) return((Image *) NULL); x_offset=width*(tile % ((image->columns-x)/width))+x; y_offset=height*(tile/((image->columns-x)/width))+y; for (y=0; y < height; y++) { p=image->pixels+((y_offset+y)*image->columns+x_offset); for (x=0; x < width; x++) *p++=(*image->pixels); } windows->image.window_changes.width=image->columns; windows->image.window_changes.height=image->rows; XConfigureImageColormap(display,resource_info,windows,image); (void) XConfigureImage(display,resource_info,windows,image); break; } case LoadVerbOp: { /* Load tile image. */ XInfoWidget(display,windows,LoadVerbText); XCheckRefreshWindows(display,windows); (void) strcpy(resource_info->image_info->filename,filename); tiled_image=ReadImage(resource_info->image_info); XWithdrawWindow(display,windows->info.id,windows->info.screen); break; } default: break; } XSetCursorState(display,windows,False); return(tiled_image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X T r a n s l a t e I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XTranslateImage translates the image within an Image window % by one pixel as specified by the key symbol. If the image has a `montage' % string the translation is respect to the width and height contained within % the string. % % The format of the XTranslateImage routine is: % % XTranslateImage(display,windows,image,key_symbol) % % A description of each parameter follows: % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o windows: Specifies a pointer to a XWindows structure. % % o image: Specifies a pointer to a Image structure; returned from % ReadImage. % % o key_symbol: Specifies a KeySym which indicates which side of the image % to trim. % % */ static void XTranslateImage(display,windows,image,key_symbol) Display *display; XWindows *windows; Image *image; KeySym key_symbol; { char text[MaxTextLength]; int x, y; unsigned int x_offset, y_offset; /* User specified a pan position offset. */ x_offset=windows->image.width; y_offset=windows->image.height; if (image->montage != (char *) NULL) (void) XParseGeometry(image->montage,&x,&y,&x_offset,&y_offset); switch (key_symbol) { case XK_Home: case XK_KP_Home: { windows->image.x=windows->image.width >> 1; windows->image.y=windows->image.height >> 1; break; } case XK_Left: case XK_KP_Left: { windows->image.x-=x_offset; break; } case XK_Next: case XK_Up: case XK_KP_Up: { windows->image.y-=y_offset; break; } case XK_Right: case XK_KP_Right: { windows->image.x+=x_offset; break; } case XK_Prior: case XK_Down: case XK_KP_Down: { windows->image.y+=y_offset; break; } default: return; } /* Check boundary conditions. */ if (windows->image.x < 0) windows->image.x=0; else if ((windows->image.x+windows->image.width) > windows->image.ximage->width) windows->image.x=windows->image.ximage->width-windows->image.width; if (windows->image.y < 0) windows->image.y=0; else if ((windows->image.y+windows->image.height) > windows->image.ximage->height) windows->image.y=windows->image.ximage->height-windows->image.height; /* Refresh Image window. */ (void) sprintf(text," %ux%u%+d%+d ",windows->image.width, windows->image.height,windows->image.x,windows->image.y); XInfoWidget(display,windows,text); XCheckRefreshWindows(display,windows); XDrawPanRectangle(display,windows); XRefreshWindow(display,&windows->image,(XEvent *) NULL); XWithdrawWindow(display,windows->info.id,windows->info.screen); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X T r i m I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XTrimImage trims the edges from the Image window. % % The format of the XTrimImage routine is: % % status=XTrimImage(display,resource_info,windows,image) % % A description of each parameter follows: % % o status: Function XTrimImage returns True if the image is % cropped. False is returned is there is a memory shortage or if the % image fails to be cropped. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o windows: Specifies a pointer to a XWindows structure. % o windows: Specifies a pointer to a XWindows structure. % % o image: Specifies a pointer to a Image structure. % % */ static unsigned int XTrimImage(display,resource_info,windows,image) Display *display; XResourceInfo *resource_info; XWindows *windows; Image *image; { #define TrimImageText " Trimming image... " RectangleInfo trim_info; register int x, y; unsigned long background, pixel; /* Trim edges from image. */ XSetCursorState(display,windows,True); XInfoWidget(display,windows,TrimImageText); XCheckRefreshWindows(display,windows); /* Crop the left edge. */ background=XGetPixel(windows->image.ximage,0,0); trim_info.width=windows->image.ximage->width; for (x=0; x < windows->image.ximage->width; x++) { for (y=0; y < windows->image.ximage->height; y++) { pixel=XGetPixel(windows->image.ximage,x,y); if (pixel != background) break; } if (y < windows->image.ximage->height) break; } trim_info.x=x; if (trim_info.x == windows->image.ximage->width) { XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); return(False); } /* Crop the right edge. */ background=XGetPixel(windows->image.ximage,windows->image.ximage->width-1,0); for (x=windows->image.ximage->width-1; x > 0; x--) { for (y=0; y < windows->image.ximage->height; y++) { pixel=XGetPixel(windows->image.ximage,x,y); if (pixel != background) break; } if (y < windows->image.ximage->height) break; } trim_info.width=x-trim_info.x+1; /* Crop the top edge. */ background=XGetPixel(windows->image.ximage,0,0); trim_info.height=windows->image.ximage->height; for (y=0; y < windows->image.ximage->height; y++) { for (x=0; x < windows->image.ximage->width; x++) { pixel=XGetPixel(windows->image.ximage,x,y); if (pixel != background) break; } if (x < windows->image.ximage->width) break; } trim_info.y=y; /* Crop the bottom edge. */ background=XGetPixel(windows->image.ximage,0,windows->image.ximage->height-1); for (y=windows->image.ximage->height-1; y > 0; y--) { for (x=0; x < windows->image.ximage->width; x++) { pixel=XGetPixel(windows->image.ximage,x,y); if (pixel != background) break; } if (x < windows->image.ximage->width) break; } trim_info.height=y-trim_info.y+1; if ((trim_info.width != windows->image.width) || (trim_info.height != windows->image.height)) { /* Reconfigure Image window as defined by the trimming rectangle. */ XSetCropGeometry(display,windows,&trim_info,image); windows->image.window_changes.width=trim_info.width; windows->image.window_changes.height=trim_info.height; (void) XConfigureImage(display,resource_info,windows,image); } XWithdrawWindow(display,windows->info.id,windows->info.screen); XSetCursorState(display,windows,False); return(True); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X V i s u a l D i r e c t o r y I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XVisualDirectoryImage creates a Visual Image Directory. % % The format of the XVisualDirectoryImage routine is: % % loaded_image=XVisualDirectoryImage(display,resource_info,windows) % % A description of each parameter follows: % % o loaded_image: Function XVisualDirectoryImage returns a visual image % directory if it can be created successfully. Otherwise a null image % is returned. % % o display: Specifies a connection to an X server; returned from % XOpenDisplay. % % o resource_info: Specifies a pointer to a X11 XResourceInfo structure. % % o windows: Specifies a pointer to a XWindows structure. % % */ static Image *XVisualDirectoryImage(display,resource_info,windows) Display *display; XResourceInfo *resource_info; XWindows *windows; { #define XClientName "montage" #define VisualDirectoryText " Creating the Visual Image Directory... " char **filelist, image_geometry[MaxTextLength], *resource_value, text[MaxTextLength], window_id[MaxTextLength]; Image *image, **images; ImageInfo local_info; int number_files; register int i, j; static char filename[MaxTextLength] = "*"; XMontageInfo vid_info; XResourceInfo background_resources, vid_resources; XrmDatabase resource_database; /* Request file name from user. */ XFileBrowserWidget(display,windows,"Directory",filename); if (*filename == '\0') return((Image *) NULL); /* Expand the filename. */ filelist=(char **) malloc(sizeof(char *)); if (filelist == (char **) NULL) { Warning("Memory allocation error",(char *) NULL); return((Image *) NULL); } number_files=1; filelist[0]=filename; ExpandFilenames(&number_files,&filelist); if (number_files == 0) { Warning("No image files were found",filename); return((Image *) NULL); } /* Allocate images array. */ images=(Image **) malloc(number_files*sizeof(Image *)); if (images == (Image **) NULL) { Warning("Memory allocation error",(char *) NULL); for (i=0; i < number_files; i++) free((char *) filelist[i]); free((char *) filelist); return((Image *) NULL); } /* Get any Visual Image Directory X resources. */ resource_database=resource_info->resource_database; vid_resources=(*resource_info); vid_resources.background_color=XGetResourceInstance(resource_database, XClientName,"background",DefaultTileBackground); resource_value=XGetResourceClass(resource_database,XClientName,"borderWidth", DefaultTileBorderwidth); vid_resources.border_width=atoi(resource_value); vid_resources.font=resource_info->image_info->font; vid_resources.foreground_color=XGetResourceInstance(resource_database, XClientName,"foreground",DefaultTileForeground); vid_resources.image_geometry=XGetResourceInstance(resource_database, XClientName,"imageGeometry",DefaultTileGeometry); vid_resources.matte_color=XGetResourceInstance(resource_database, XClientName,"mattecolor",DefaultTileMatte); /* Set image background resources. */ background_resources=vid_resources; background_resources.foreground_color=resource_info->background_color; background_resources.window_id=window_id; (void) sprintf(background_resources.window_id,"0x%lx",windows->image.id); background_resources.image_geometry=image_geometry; /* Read each image and convert them to a tile. */ j=0; for (i=0; i < number_files; i++) { XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); local_info=(*resource_info->image_info); local_info.filename=filelist[i]; *local_info.magick='\0'; if (local_info.size == (char *) NULL) local_info.size=vid_resources.image_geometry; image=ReadImage(&local_info); if (filelist[i] != filename) free((char *) filelist[i]); if (image == (Image *) NULL) continue; image->scene=j; LabelImage(image,"%f"); TransformImage(&image,(char *) NULL,vid_resources.image_geometry); /* Center tile on the image window. */ (void) XDisplayBackgroundImage(display,&background_resources,image); (void) sprintf(text," Loaded %d of %d: %s ",i+1,number_files, image->filename); XInfoWidget(display,windows,text); XCheckRefreshWindows(display,windows); images[j]=image; j++; } free((char *) filelist); if (j == 0) { Warning("No images were loaded",filename); free((char *) images); return((Image *) NULL); } /* Create the Visual Image Directory. */ XInfoWidget(display,windows,VisualDirectoryText); XSetCursorState(display,windows,True); XCheckRefreshWindows(display,windows); XGetMontageInfo(&vid_info); vid_info.number_tiles=j; image=XMontageImage(images,&vid_resources,&vid_info,filename); XSetCursorState(display,windows,False); free((char *) images); if (image != (Image *) NULL) XClientMessage(display,windows->image.id,windows->im_protocols, windows->im_next_image,CurrentTime); return(image); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % X W a r n i n g % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Function XWarning displays a warning message in a Notice widget. % % The format of the XWarning routine is: % % XWarning(message,qualifier) % % A description of each parameter follows: % % o message: Specifies the message to display before terminating the % program. % % o qualifier: Specifies any qualifier to the message. % % */ static void XWarning(message,qualifier) char *message, *qualifier; { char text[MaxTextLength]; if (message == (char *) NULL) return; (void) strcpy(text,message); (void) strcat(text,":"); XNoticeWidget(display,windows,text,qualifier); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a i n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ int main(argc,argv) int argc; char **argv; { #define NotInitialized (unsigned int) (~0) char *option, *resource_value, *server_name; Image *image, *next_image; ImageInfo image_info; int x; register int i, j; unsigned int first_scene, *image_marker, image_number, last_scene, scene; unsigned long state; XResourceInfo resource_info; XrmDatabase resource_database; /* Set defaults. */ client_name=ClientName(*argv); display=(Display *) NULL; first_scene=0; image_marker=(unsigned int *) malloc((argc+1)*sizeof(unsigned int)); if (image_marker == (unsigned int *) NULL) Error("Unable to display image","Memory allocation failed"); for (i=0; i <= argc; i++) image_marker[i]=argc; image_number=0; GetImageInfo(&image_info); last_scene=0; resource_database=(XrmDatabase) NULL; server_name=(char *) NULL; state=DefaultState; /* Check for server name specified on the command line. */ ExpandFilenames(&argc,&argv); for (i=1; i < argc; i++) { /* Check command line for server name. */ option=argv[i]; if (((int) strlen(option) == 1) || ((*option != '-') && (*option != '+'))) continue; if (strncmp("display",option+1,3) == 0) { /* User specified server name. */ i++; if (i == argc) Error("Missing server name on -display",(char *) NULL); server_name=argv[i]; break; } if (strncmp("help",option+1,2) == 0) Usage(True); } /* Open X server connection. */ display=XOpenDisplay(server_name); if (display == (Display *) NULL) Error("Unable to connect to X server",XDisplayName(server_name)); /* Set our forgiving error handler. */ XSetErrorHandler(XError); /* Get user defaults from X resource database. */ resource_database=XGetResourceDatabase(display,client_name); XGetResourceInfo(resource_database,client_name,&resource_info); image_info.density= XGetResourceClass(resource_database,client_name,"density",(char *) NULL); resource_value= XGetResourceClass(resource_database,client_name,"interlace","none"); image_info.interlace=UndefinedInterlace; if (Latin1Compare("none",resource_value) == 0) image_info.interlace=NoneInterlace; if (Latin1Compare("line",resource_value) == 0) image_info.interlace=LineInterlace; if (Latin1Compare("plane",resource_value) == 0) image_info.interlace=PlaneInterlace; if (image_info.interlace == UndefinedInterlace) Warning("Unrecognized interlace type",resource_value); image_info.page=XGetResourceClass(resource_database,client_name, "pageGeometry",(char *) NULL); resource_value= XGetResourceClass(resource_database,client_name,"quality","75"); image_info.quality=atoi(resource_value); resource_value= XGetResourceClass(resource_database,client_name,"verbose","False"); image_info.verbose=IsTrue(resource_value); /* Parse command line. */ for (i=1; ((i <= argc) && !(state & ExitState)); i++) { if (i < argc) option=argv[i]; else if (image_number == 0) option="logo:"; else break; if (((int) strlen(option) > 1) && ((*option == '-') || (*option == '+'))) switch (*(option+1)) { case 'b': { if (strncmp("backdrop",option+1,5) == 0) { resource_info.backdrop=(*option == '-'); break; } if ((strncmp("background",option+1,5) == 0) || (strncmp("bg",option+1,2) == 0)) { resource_info.background_color=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing color on -background",(char *) NULL); resource_info.background_color=argv[i]; } break; } if (strncmp("blur",option+1,2) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing factor on -blur",(char *) NULL); } break; } if (strcmp("border",option+1) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -border",(char *) NULL); } break; } if (strncmp("bordercolor",option+1,7) == 0) { resource_info.border_color=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing color on -bordercolor",(char *) NULL); resource_info.border_color=argv[i]; } break; } if (strncmp("borderwidth",option+1,7) == 0) { resource_info.border_width=0; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing width on -borderwidth",(char *) NULL); resource_info.border_width=atoi(argv[i]); } break; } Error("Unrecognized option",option); break; } case 'c': { if (strncmp("colormap",option+1,6) == 0) { resource_info.colormap=PrivateColormap; if (*option == '-') { i++; if (i == argc) Error("Missing type on -colormap",(char *) NULL); option=argv[i]; resource_info.colormap=UndefinedColormap; if (Latin1Compare("private",option) == 0) resource_info.colormap=PrivateColormap; if (Latin1Compare("shared",option) == 0) resource_info.colormap=SharedColormap; if (resource_info.colormap == UndefinedColormap) Error("Invalid colormap type on -colormap",option); } break; } if (strncmp("colors",option+1,7) == 0) { resource_info.number_colors=0; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing colors on -colors",(char *) NULL); resource_info.number_colors=atoi(argv[i]); } break; } if (strncmp("colorspace",option+1,7) == 0) { resource_info.colorspace=RGBColorspace; if (*option == '-') { i++; if (i == argc) Error("Missing type on -colorspace",(char *) NULL); option=argv[i]; resource_info.colorspace=UndefinedColorspace; if (Latin1Compare("gray",option) == 0) { resource_info.colorspace=GRAYColorspace; resource_info.number_colors=256; resource_info.tree_depth=8; } if (Latin1Compare("ohta",option) == 0) resource_info.colorspace=OHTAColorspace; if (Latin1Compare("rgb",option) == 0) resource_info.colorspace=RGBColorspace; if (Latin1Compare("xyz",option) == 0) resource_info.colorspace=XYZColorspace; if (Latin1Compare("ycbcr",option) == 0) resource_info.colorspace=YCbCrColorspace; if (Latin1Compare("yiq",option) == 0) resource_info.colorspace=YIQColorspace; if (Latin1Compare("ypbpr",option) == 0) resource_info.colorspace=YPbPrColorspace; if (Latin1Compare("yuv",option) == 0) resource_info.colorspace=YUVColorspace; if (resource_info.colorspace == UndefinedColorspace) Error("Invalid colorspace type on -colorspace",option); } break; } if (strncmp("comment",option+1,4) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing comment on -comment",(char *) NULL); } break; } if (strncmp("compress",option+1,3) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing type on -compress",(char *) NULL); option=argv[i]; if (Latin1Compare("runlengthencoded",option) == 0) break; else if (Latin1Compare("qencoded",option) == 0) break; else Error("Invalid compression type on -compress",option); } break; } if (strncmp("contrast",option+1,3) == 0) break; if (strncmp("crop",option+1,2) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -crop",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'd': { if (strncmp("debug",option+1,3) == 0) { resource_info.debug=(*option == '-'); break; } if (strncmp("delay",option+1,3) == 0) { resource_info.delay=0; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing seconds on -delay",(char *) NULL); resource_info.delay=atoi(argv[i]); } break; } if (strncmp("density",option+1,3) == 0) { image_info.density=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -density",(char *) NULL); image_info.density=argv[i]; } break; } if (strncmp("despeckle",option+1,3) == 0) break; if (strncmp("display",option+1,3) == 0) { server_name=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing server name on -display",(char *) NULL); server_name=argv[i]; } resource_info.server_name=server_name; break; } if (strncmp("dither",option+1,3) == 0) { resource_info.dither=(*option == '-'); break; } Error("Unrecognized option",option); break; } case 'e': { if (strncmp("edge",option+1,2) == 0) break; if (strncmp("enhance",option+1,2) == 0) break; if (strncmp("equalize",option+1,2) == 0) break; Error("Unrecognized option",option); break; } case 'f': { if (strncmp("flip",option+1,3) == 0) break; if (strncmp("flop",option+1,3) == 0) break; if (strncmp("font",option+1,3) == 0) { resource_info.font=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing font name on -font",(char *) NULL); resource_info.font=argv[i]; } break; } if ((strncmp("foreground",option+1,3) == 0) || (strncmp("fg",option+1,2) == 0)) { resource_info.foreground_color=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing foreground on -foreground",(char *) NULL); resource_info.foreground_color=argv[i]; } break; } if (strncmp("frame",option+1,2) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -frame",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'g': { if (strncmp("gamma",option+1,2) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing value on -gamma",(char *) NULL); } break; } if (strncmp("geometry",option+1,2) == 0) { resource_info.image_geometry=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -geometry",(char *) NULL); resource_info.image_geometry=argv[i]; } break; } Error("Unrecognized option",option); break; } case 'h': { if (strncmp("help",option+1,2) == 0) Usage(True); Error("Unrecognized option",option); break; } case 'i': { if (strncmp("iconGeometry",option+1,5) == 0) { resource_info.icon_geometry=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -iconGeometry",(char *) NULL); resource_info.icon_geometry=argv[i]; } break; } if (strncmp("iconic",option+1,5) == 0) { resource_info.iconic=(*option == '-'); break; } if (strncmp("immutable",option+1,5) == 0) { resource_info.immutable=(*option == '-'); break; } if (strncmp("interlace",option+1,3) == 0) { image_info.interlace=NoneInterlace; if (*option == '-') { i++; if (i == argc) Error("Missing type on -interlace",(char *) NULL); option=argv[i]; image_info.interlace=UndefinedInterlace; if (Latin1Compare("none",option) == 0) image_info.interlace=NoneInterlace; if (Latin1Compare("line",option) == 0) image_info.interlace=LineInterlace; if (Latin1Compare("plane",option) == 0) image_info.interlace=PlaneInterlace; if (image_info.interlace == UndefinedInterlace) Error("Invalid interlace type on -interlace",option); } break; } Error("Unrecognized option",option); break; } case 'l': { if (strncmp("label",option+1,2) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing label name on -label",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'm': { if (strncmp("magnify",option+1,3) == 0) { resource_info.magnify=2; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing level on -magnify",(char *) NULL); resource_info.magnify=atoi(argv[i]); } break; } if (strncmp("map",option+1,3) == 0) { resource_info.map_type=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing map type on -map",(char *) NULL); resource_info.map_type=argv[i]; } break; } if (strcmp("matte",option+1) == 0) break; if (strncmp("mattecolor",option+1,6) == 0) { resource_info.matte_color=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing color on -mattecolor",(char *) NULL); resource_info.matte_color=argv[i]; } break; } if (strncmp("modulate",option+1,3) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing value on -modulate",(char *) NULL); } break; } if (strncmp("monochrome",option+1,3) == 0) { resource_info.monochrome=(*option == '-'); if (resource_info.monochrome) { resource_info.number_colors=2; resource_info.tree_depth=8; resource_info.colorspace=GRAYColorspace; } break; } Error("Unrecognized option",option); break; } case 'n': { if (strncmp("name",option+1,2) == 0) { resource_info.name=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing name on -name",(char *) NULL); resource_info.name=argv[i]; } break; } if (strncmp("negate",option+1,2) == 0) break; if (strncmp("noise",option+1,3) == 0) break; if (strncmp("normalize",option+1,3) == 0) break; Error("Unrecognized option",option); break; } case 'o': { if (strncmp("opaque",option+1,2) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing color on -opaque",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'p': { if (strncmp("page",option+1,3) == 0) { image_info.page=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing page geometry on -page",(char *) NULL); image_info.page=PostscriptGeometry(argv[i]); } break; } if (strncmp("pen",option+1,2) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing pen color on -pen",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 'q': { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing quality on -quality",(char *) NULL); image_info.quality=atoi(argv[i]);; break; } case 'r': { if (strncmp("raise",option+1,2) == 0) { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing bevel width on -raise",(char *) NULL); break; } if (strncmp("roll",option+1,3) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -roll",(char *) NULL); } break; } if (strncmp("rotate",option+1,3) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing degrees on -rotate",(char *) NULL); } break; } Error("Unrecognized option",option); break; } case 's': { if (strncmp("sample",option+1,2) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -sample",(char *) NULL); } break; } if (strncmp("scene",option+1,3) == 0) { first_scene=0; last_scene=0; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing scene number on -scene",(char *) NULL); first_scene=atoi(argv[i]); last_scene=first_scene; (void) sscanf(argv[i],"%u-%u",&first_scene,&last_scene); } break; } if (strncmp("sharpen",option+1,3) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing factor on -sharpen",(char *) NULL); } break; } if (strncmp("shear",option+1,3) == 0) { if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%f",(float *) &x)) Error("Missing shear geometry on -shear",(char *) NULL); } break; } if (strncmp("shared_memory",option+1,4) == 0) { resource_info.use_shared_memory=(*option == '-'); break; } if (strncmp("size",option+1,2) == 0) { image_info.size=(char *) NULL; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing geometry on -size",(char *) NULL); image_info.size=argv[i]; } break; } Error("Unrecognized option",option); break; } case 't': { if (strncmp("text_font",option+1,3) == 0) { resource_info.text_font=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing font name on -text_font",(char *) NULL); resource_info.text_font=argv[i]; } break; } if (strncmp("title",option+1,2) == 0) { resource_info.title=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing title on -title",(char *) NULL); resource_info.title=argv[i]; } break; } if (strncmp("transparent",option+1,3) == 0) { if (*option == '-') { i++; if (i == argc) Error("Missing color on -transparent",(char *) NULL); } break; } if (strncmp("treedepth",option+1,3) == 0) { resource_info.tree_depth=0; if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing depth on -treedepth",(char *) NULL); resource_info.tree_depth=atoi(argv[i]); } break; } Error("Unrecognized option",option); break; } case 'u': { if (strncmp("update",option+1,2) == 0) { resource_info.update=(*option == '-'); if (*option == '-') { i++; if ((i == argc) || !sscanf(argv[i],"%d",&x)) Error("Missing seconds on -update",(char *) NULL); resource_info.delay=atoi(argv[i]); } break; } if (strncmp("use_pixmap",option+1,2) == 0) { resource_info.use_pixmap=(*option == '-'); break; } Error("Unrecognized option",option); break; } case 'v': { if (strncmp("verbose",option+1,2) == 0) { image_info.verbose=(*option == '-'); break; } if (strncmp("visual",option+1,2) == 0) { resource_info.visual_type=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing visual class on -visual",(char *) NULL); resource_info.visual_type=argv[i]; } break; } Error("Unrecognized option",option); break; } case 'w': { if (strcmp("window",option+1) == 0) { resource_info.window_id=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing id, name, or 'root' on -window", (char *) NULL); resource_info.window_id=argv[i]; } break; } if (strncmp("window_group",option+1,7) == 0) { resource_info.window_group=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing id, name, or 'root' on -window_group", (char *) NULL); resource_info.window_group=argv[i]; } break; } if (strncmp("write",option+1,2) == 0) { resource_info.write_filename=(char *) NULL; if (*option == '-') { i++; if (i == argc) Error("Missing file name on -write",(char *) NULL); resource_info.write_filename=argv[i]; if (access(resource_info.write_filename,0) == 0) { char answer[2]; (void) fprintf(stderr,"Overwrite %s? ", resource_info.write_filename); (void) fgets(answer,sizeof(answer)-1,stdin); if (!((*answer == 'y') || (*answer == 'Y'))) exit(1); } } break; } Error("Unrecognized option",option); break; } case '?': { Usage(True); break; } default: { Error("Unrecognized option",option); break; } } else for (scene=first_scene; scene <= last_scene ; scene++) { /* Option is a file name: begin by reading image from specified file. */ (void) strcpy(image_info.filename,option); if (first_scene != last_scene) { char filename[MaxTextLength]; /* Form filename for multi-part images. */ (void) sprintf(filename,image_info.filename,scene); if (strcmp(filename,image_info.filename) == 0) (void) sprintf(filename,"%s.%u",image_info.filename,scene); (void) strcpy(image_info.filename,filename); } (void) strcpy(image_info.magick,"MIFF"); image_info.server_name=resource_info.server_name; image_info.font=resource_info.font; image_info.dither=resource_info.dither; image_info.monochrome=resource_info.monochrome; resource_info.image_info=(&image_info); image=ReadImage(&image_info); if (image == (Image *) NULL) if (i < (argc-1)) continue; else { state|=ExitState; break; } do { /* Transmogrify image as defined by the image processing options. */ resource_info.quantum=1; MogrifyImage(&image_info,i,argv,&image); if (first_scene != last_scene) image->scene=scene; /* Display image to X server. */ if (resource_info.window_id != (char *) NULL) { unsigned int status; /* Display image to a specified X window. */ status=XDisplayBackgroundImage(display,&resource_info,image); if (status) state|=RetainColorsState; if (resource_info.delay == 0) state|=ExitState; } else do { Image *loaded_image; /* Display image to X server. */ loaded_image= XDisplayImage(display,&resource_info,argv,argc,&image,&state); if (loaded_image == (Image *) NULL) break; while ((loaded_image != (Image *) NULL) && (!(state & ExitState))) { if (loaded_image->montage != (char *) NULL) { /* User selected a visual directory image (montage). */ DestroyImages(image); image=loaded_image; break; } MogrifyImage(&image_info,i,argv,&loaded_image); if (first_scene != last_scene) image->scene=scene; next_image=XDisplayImage(display,&resource_info,argv,argc, &loaded_image,&state); if (loaded_image != image) DestroyImages(loaded_image); loaded_image=next_image; } } while (!(state & ExitState)); if (resource_info.write_filename != (char *) NULL) { /* Write image. */ (void) strcpy(image->filename,resource_info.write_filename); (void) WriteImage(&image_info,image); } if (image_info.verbose) DescribeImage(image,stderr,False); /* Proceed to next/previous image. */ next_image=image; if (state & FormerImageState) for (j=0; j < resource_info.quantum; j++) { next_image=next_image->previous; if (next_image == (Image *) NULL) break; } else for (j=0; j < resource_info.quantum; j++) { next_image=next_image->next; if (next_image == (Image *) NULL) break; } if (next_image != (Image *) NULL) image=next_image; } while ((next_image != (Image *) NULL) && !(state & ExitState)); /* Free image resources. */ DestroyImages(image); if (!(state & FormerImageState)) image_marker[i]=image_number++; else { /* Proceed to previous image. */ for (i--; i > 0; i--) if (image_marker[i] == (image_number-2)) break; if (image_number != 0) image_number--; } if (state & ExitState) break; } /* Determine if we should proceed to the first image. */ if (i == (argc-1)) if (resource_info.confirm_exit && (state & NextImageState)) { unsigned int status; /* Confirm program exit. */ status=XConfirmWidget(display,windows,"Do you really want to exit", client_name); if (status == False) { i=0; image_number=0; } } } if (state & RetainColorsState) XRetainWindowColors(display,XRootWindow(display,XDefaultScreen(display))); free((char *) image_marker); free((char *) image_info.filename); XCloseDisplay(display); exit(0); return(False); } ,(char *) NULL); resource_info.text_font=argv[i]; } break; } if (strncmp("t./ImageMagick/display.man010064400000240000024000002136760602760035400164520ustar00cristycristy00002330000007.ad l .nh .TH display 1 "1 Feb 1995" "ImageMagick" .SH NAME display - display an image on any workstation running X .SH SYNOPSIS .B "display" [ \fIoptions\fP ...] \fIfile\fP [ [ \fIoptions\fP ...] \fIfile\fP ...] .SH DESCRIPTION \fBDisplay\fP is a machine architecture independent image processing and display program. It can display an image on any workstation screen running an X server. \fBDisplay\fP can read and write many of the more popular image formats (e.g. JPEG, TIFF, PNM, Photo CD, etc.). With \fBdisplay\fP, you can perform these functions on an image: .PP o load an image from a file o display the next image o display the former image o display a sequence of images as a slide show o write the image to a file o print the image to a Postscript printer o delete the image file o create a Visual Image Directory o select the image to display by its thumbnail rather than name o copy a region of the image o paste a region to the image o undo last image transformation o half the image size o double the image size o resize the image o restore the image to its original size o refresh the image o crop the image o cut the image o flop image in the horizontal direction o flip image in the vertical direction o rotate the image 90 degrees clockwise o rotate the image 90 degrees counter-clockwise o rotate the image o shear the image o trim the image edges o invert the colors of the image o vary the color brightness o vary the color saturation o vary the image hue o gamma correct the image o sharpen the image contrast o dull the image contrast o perform histogram equalization on the image o perform histogram normalization on the image o negate the image colors o convert the image to grayscale o set the maximum number of unique colors in the image o reduce the speckles within an image o eliminate peak noise from an image o detect edges within the image o emboss an image o oil paint an image o segment the image by color o annotate the image with text o draw on the image o edit an image pixel color o edit the image matte information o composite an image with another o add a border to the image o surround image with an ornamental border o add an image comment o apply image processing techniques to a region of interest o display information about the image o show a histogram of the image o display image to background of a window o set user preferences o display information about this program o discard all images and exit program o change the level of magnification o display images specified by a World Wide Web (WWW) uniform resource locator (URL) .SH EXAMPLES To scale an image of a cockatoo to exactly 640 pixels in width and 480 pixels in height and position the window at location (200,200), use: .PP .B display -geometry 640x480\+200\+200! cockatoo.miff .PP To display an image of a cockatoo without a border centered on a backdrop, use: .PP .B display +borderwidth -backdrop cockatoo.miff .PP To tile a slate texture onto the root window, use: .PP .B display -size 1280x1024 -window root slate.png .PP To display a visual image directory of all your JPEG images, use: .PP .B display 'vid:*.jpg' .PP To display a MAP image that is 640 pixels in width and 480 pixels in height with 256 colors, use: .PP .B display -size 640x480\+256 cockatoo.map .PP To display an image of a cockatoo specified with a World Wide Web (WWW) uniform resource locator (URL), use .PP .B display ftp://wizards.dupont.com/images/cockatoo.jpg .SH OPTIONS .TP 5 .B "-annotate \fIstring\fP" annotate an image with text. Use this option to annotate an image with text. Optionally you can include the image filename, type, width, height, or scene number by embedding special format characters. Embed \fB%f\fP for filename, \fB%m\fP for magick, \fB%w\fP for width, \fB%h\fP for height, \fB%s\fP for scene number, or \fB\\n\fP for newline. For example, .nf -annotate "%m:%f %wx%h" .fi annotates the image with \fBMIFF:bird.miff 512x480\fP for an image titled \fBbird.miff\fP and whose width is 512 and height is 480. If the first character of \fIstring\fP is \fB@\fP, the text is read from a file titled by the remaining characters in the string. You can set the text position, font, and font color with \fB-geometry\fP, \fB-font\fP, and \fB-pen\fP respectively. .TP 5 .B "-backdrop" display the image centered on a backdrop. This backdrop covers the entire workstation screen and is useful for hiding other X window activity while viewing the image. The color of the backdrop is specified as the background color. Refer to \fBX RESOURCES\fP for details. .TP 5 .B "-blur \fIfactor\fP" blurs an image. Specify \fIfactor\fP as the percent enhancement (0.0 - 99.9%). .TP 5 .B "-border \fIx\fP" surround the image with a border or color. See \fBX(1)\fP for details about the geometry specification. The color of the border is obtained from the X server and is defined as \fBbordercolor\fP (class \fBborderColor\fP). See \fBX(1)\fP for details. .TP 5 .B "-colormap \fItype\fP" the type of colormap: \fBShared\fP or \fBPrivate\fP. This option only applies when the default X server visual is \fIPseudoColor\fP or \fIGrayScale\fP. Refer to \fB-visual\fP for more details. By default, a shared colormap is allocated. The image shares colors with other X clients. Some image colors could be approximated, therefore your image may look very different than intended. Choose \fBPrivate\fP and the image colors appear exactly as they are defined. However, other clients may go \fItechnicolor\fP when the image colormap is installed. .TP 5 .B "-colors \fIvalue\fP" preferred number of colors in the image. The actual number of colors in the image may be less than your request, but never more. Note, this is a color reduction option. Images with less unique colors than specified with this option will remain unchanged. Refer to \fBquantize(9)\fP for more details. Note, options \fB-dither\fP, \fB-colorspace\fP, and \fB-treedepth\fP affect the color reduction algorithm. .TP 5 .B "-colorspace \fIvalue\fP" the type of colorspace: \fBGRAY\fP, \fBOHTA\fP, \fBRGB\fP, \fBXYZ\fP, \fBYCbCr\fP, \fBYIQ\fP, \fBYPbPr\fP, or \fBYUV\fP. Color reduction, by default, takes place in the RGB color space. Empirical evidence suggests that distances in color spaces such as YUV or YIQ correspond to perceptual color differences more closely than do distances in RGB space. These color spaces may give better results when color reducing an image. Refer to \fBquantize(9)\fP for more details. The \fB-colors\fP or \fB-monochrome\fP option is required for this option to take effect. .TP 5 .B "-comment \fIstring\fP" annotate an image with a comment. By default, each image is commented with its file name. Use this option to assign a specific comment to the image. Optionally you can include the image filename, type, width, height, or scene number by embedding special format characters. Embed \fB%f\fP for filename, \fB%m\fP for magick, \fB%w\fP for width, \fB%h\fP for height, \fB%s\fP for scene number, or \fB\\n\fP for newline. For example, .PP .B -comment "%m:%f %wx%h" .PP produces an image comment of \fBMIFF:bird.miff 512x480\fP for an image titled \fBbird.miff\fP and whose width is 512 and height is 480. If the first character of \fIstring\fP is \fB@\fP, the image comment is read from a file titled by the remaining characters in the string. .TP 5 .B "-compress \fItype\fP" the type of image compression: \fIQEncoded\fP or \fIRunlengthEncoded\fP. Use this option with \fB-write\fP to specify the the type of image compression. See \fBmiff(5)\fP for details. Specify \fB\+compress\fP to store the binary image in an uncompressed format. The default is the compression type of the specified image file. .TP 5 .B "-contrast" enhance or reduce the image contrast. This option enhances the intensity differences between the lighter and darker elements of the image. Use \fB-contrast\fP to enhance the image or \fB+contrast\fP to reduce the image contrast. .TP 5 .B "-crop \fI{%}x{%}{\+-}{\+-}\fP" preferred size and location of the cropped image. See \fBX(1)\fP for details about the geometry specification. To specify a percentage width or height instead, append \fB%\fP. For example to crop the image by ten percent on all sides of the image, use \fB-crop 10%\fP. Use cropping to apply image processing options to, or display, a particular area of an image. Use \fB-crop 0x0\fP to remove edges that are the background color. The equivalent X resource for this option is \fBcropGeometry\fP (class \fBCropGeometry\fP). See \fBX RESOURCES\fP for details. .TP 5 .B "-delay \fIseconds\fP" display the next image after pausing. This option is useful when viewing several images in sequence. Each image will display and wait the number of seconds specified before the next image is displayed. The default is to display the image and wait until you choose to display the next image or terminate the program. .TP 5 .B "-density \fIx\fP vertical and horizontal resolution in pixels of the image. This option specifies an image density when decoding a Postscript or Portable Document page. The default is 72 pixels per inch in the horizontal and vertical direction. .TP 5 .B "-despeckle" reduce the speckles within an image. .TP 5 .B "-display \fIhost:display[.screen]\fP" specifies the X server to contact; see \fBX(1)\fP. .TP 5 .B "-dither" apply Floyd/Steinberg error diffusion to the image. The basic strategy of dithering is to trade intensity resolution for spatial resolution by averaging the intensities of several neighboring pixels. Images which suffer from severe contouring when reducing colors can be improved with this option. The \fB-colors\fP or \fB-monochrome\fP option is required for this option to take effect. .TP 5 .B "-edge" detect edges within an image. .TP 5 .B "-enhance" apply a digital filter to enhance a noisy image. .TP 5 .B "-equalize" perform histogram equalization to the image. .TP 5 .B "-flip" create a "mirror image" by reflecting the image scanlines in the vertical direction. .TP 5 .B "-flop" create a "mirror image" by reflecting the image scanlines in the horizontal direction. .TP 5 .B "-frame \fIx++\fP" surround the image with an an ornamental border. See \fBX(1)\fP for details about the geometry specification. The color of the border is specified with the \fB-mattecolor\fP command line option. .TP 5 .B "-gamma \fIvalue\fP" level of gamma correction. The same color image displayed on two different workstations may look different due to differences in the display monitor. Use gamma correction to adjust for this color difference. Reasonable values extend from 0.8 to 2.3. You can apply separate gamma values to the red, green, and blue channels of the image with a gamma value list delineated with commas (i.e. 1.7,2.3,1.2). .TP 5 .B "-geometry \fI{%}x{%}{\+-}{\+-}{!}{<}{>}\fP" preferred size and location of the Image window. See \fBX(1)\fP for details about the geometry specification. By default, the window size is the image size and the location is chosen by you when it is mapped. By default, the width and height are maximum values. That is, the image is expanded or contracted to fit the width and height value while maintaining the aspect ratio of the image. Append an exclamation point to the geometry to force the image size to exactly the size you specify. For example, if you specify \fB640x480!\fP the image width is set to 640 pixels and height to 480. If only one factor is specified, both the width and height assume the value. To specify a percentage width or height instead, append \fB%\fP. The image size is multiplied by the width and height percentages to obtain the final image dimensions. To increase the size of an image, use a value greater than 100 (e.g. 125%). To decrease an image's size, use a percentage less than 100. Use \fB<\fP to change the dimensions of the image \fIonly\fP if its size exceeds the geometry specification. \fB>\fP resizes the image \fIonly\fP if its dimensions is less than the geometry specification. For example, if you specify \fB640x480>\fP and the image size is 512x512, the image size does not change. However, if the image is 1024x1024, it is resized to 640x480. When displaying an image on an X server, \fI\fP and \fI\fP is relative to the root window. The equivalent X resource for this option is \fBgeometry\fP (class \fBGeometry\fP). See \fBX RESOURCES\fP for details. .TP 5 .B "-interlace \fItype\fP" the type of interlacing scheme: \fBNONE\fP, \fBLINE\fP, or \fBPLANE\fP. This option is used to specify the type of interlacing scheme for raw image formats such as \fBRGB\fP or \fBYUV\fP. \fBNONE\fP means do not interlace (RGBRGBRGBRGBRGBRGB...), \fBLINE\fP uses scanline interlacing (RRR...GGG...BBB...RRR...GGG...BBB...), and \fBPLANE\fP uses plane interlacing (RRRRRR...GGGGGG...BBBBBB...). Use \fBLINE\fP, or \fBPLANE\fP to create an interlaced GIF image. .TP 5 .B "-immutable" displayed image cannot be modified", .TP 5 .B "-label \fIname\fP" assign a label to an image. Use this option to assign a specific label to the image. Optionally you can include the image filename, type, width, height, or scene number in the label by embedding special format characters. Embed \fB%f\fP for filename, \fB%m\fP for magick, \fB%w\fP for width, \fB%h\fP for height, or \fB%s\fP for scene number, or \fB\\n\fP for newline. For example, .PP .B -label "%m:%f %wx%h" .PP produces an image label of \fBMIFF:bird.miff 512x480\fP for an image titled \fBbird.miff\fP and whose width is 512 and height is 480. If the first character of \fIstring\fP is \fB@\fP, the image label is read from a file titled by the remaining characters in the string. When converting to Postscript, use this option to specify a header string to print above the image. .TP 5 .B "-map \fItype\fP" display image using this Standard Colormap type. Choose from these Standard Colormap types: .PP best default gray red green blue .PP The X server must support the Standard Colormap you choose, otherwise an error occurs. Use \fBlist\fP as the type and \fBdisplay(1)\fP searches the list of colormap types in top-to-bottom order until one is located. See \fBxstdcmap(1)\fP for one way of creating Standard Colormaps. .TP 5 .B "-matte" store matte channel if the image has one. .TP 5 .B "-modulate \fIvalue\fP" vary the brightness, saturation, and hue of an image. Specify the percent change in brightness, the color saturation, and the hue separated by commas. For example, to increase the color brightness by 20% and decrease the color saturation by 10% and leave the hue unchanged, use: \fB-modulate 20,-10\fP. .TP 5 .B "-monochrome" transform the image to black and white. .TP 5 .B "-negate" apply color inversion to image. The red, green, and blue intensities of an image are negated. .TP 5 .B "-noise" reduce the noise in an image with a noise peak elimination filter. The principal function of noise peak elimination filter is to smooth the objects within an image without losing edge information and without creating undesired structures. The central idea of the algorithm is to replace a pixel with its next neighbor in value within a 3 x 3 window, if this pixel has been found to be noise. A pixel is defined as noise if and only if this pixel is a maximum or minimum within the 3 x 3 window. .TP 5 .B "-normalize" transform image to span the full range of color values. This is a contrast enhancement technique. .TP 5 .B "-opaque \fIcolor\fP" change this color to the pen color within the image. See \fB-pen\fP for more details. .TP 5 .B "-page \fIx{\+-}{\+-}\fP" size and location of the Postscript page. Use this option to specify the dimensions of the Postscript page in pixels per inch or a TEXT page in pixels. The default for a Postscript page is to center the image on a letter page 612 by 792 pixels. The margins are 1/2" (i.e. 612x792+36+36). Other common sizes are: .PP Letter 612x 792 Tabloid 792x1224 Ledger 1224x 792 Legal 612x1008 Statement 396x 612 Executive 540x 720 A3 842x1190 A4 595x 842 A5 420x 595 B4 729x1032 B5 516x 729 Folio 612x 936 Quarto 610x 780 10x14 720x1008 .PP For convenience you can specify the page size by media (e.g. A4, Ledger, etc.). The page geometry is relative to the vertical and horizontal density of the Postscript page. See \fB-density\fP for details. The default page dimensions for a TEXT image is 612x792. .TP 5 .B "-pen \fIcolor\fP" set the color of the font or opaque color. See \fB-annotate\fP or \fB-opaque\fP for further details. See \fBX(1)\fP for details about the color specification. .TP 5 .B "-quality \fIvalue\fP" JPEG quality setting. Quality is 0 (worst) to 100 (best). The default is 75. .TP 5 .B "-raise \fI\fP" lighten or darken image edges to create a 3-D effect. \fIBevel width\fP is the width of an edge. Use \fB-raise\fP to create a raised effect, otherwise use \fB+raise\fP. .TP 5 .B "-roll \fI{\+-}{\+-}\fP" roll an image vertically or horizontally. See \fBX(1)\fP for details about the geometry specification. A negative \fIx offset\fP rolls the image left-to-right. A negative \fIy offset\fP rolls the image top-to-bottom. .TP 5 .B "-rotate \fIdegrees\fP" apply Paeth image rotation to the image. Empty triangles left over from rotating the image are filled with the color defined as \fBbordercolor\fP (class \fBborderColor\fP). See \fBX(1)\fP for details. .TP 5 .B "-sample \fIgeometry\fP" scale image with pixel sampling. See \fB-geometry\fP for details about the geometry specification. .TP 5 .B "-scene \fIvalue\fP" image scene number. Use this option to specify an image sequence with a single filename. See the discussion of \fIfile\fP below for details. .TP 5 .B "-sharpen \fIfactor\fP" sharpen an image. Specify \fIfactor\fP as the percent enhancement (0.0 - 99.9%). .TP 5 .B "-shear \fIx\fP" shear the image along the X or Y axis by a positive or negative shear angle. Shearing slides one edge of an image along the X or Y axis, creating a parallelogram. An X direction shear slides an edge along the X axis, while a Y direction shear slides an edge along the Y axis. The amount of the shear is controlled by a shear angle. For X direction shears, \fIx degrees>\fP is measured relative to the Y axis, and similarly, for Y direction shears \fIy degrees\fP is measured relative to the X axis. Empty triangles left over from shearing the image are filled with the color defined as \fBbordercolor\fP (class \fBborderColor\fP). See \fBX(1)\fP for details. .TP 5 .B "-size \fI{%}x{%}+\fP" width and height of the image. Use this option to specify the width and height of raw images whose dimensions are unknown such as \fBGRAY\fP, \fBRGB\fP, or \fBCMYK\fP. In addition to width and height, use \fB-size\fP to skip any header information in the image or tell the number of colors in a \fBMAP\fP image file, (e.g. -size 640x512+256). For Photo CD images, choose from these sizes: .PP 192x128 384x256 768x512 1536x1024 3072x2048 Finally, use this option to choose a particular resolution layer of a JBIG image (e.g. -size 1024x768). .TP 5 .B "-transparency \fIcolor\fP" make this color transparent within the image. .TP 5 .B "-treedepth \fIvalue\fP" Normally, this integer value is zero or one. A zero or one tells \fBdisplay\fP to choose a optimal tree depth for the color reduction algorithm. An optimal depth generally allows the best representation of the source image with the fastest computational speed and the least amount of memory. However, the default depth is inappropriate for some images. To assure the best representation, try values between 2 and 8 for this parameter. Refer to \fBquantize(9)\fP for more details. The \fB-colors\fP or \fB-monochrome\fP option is required for this option to take effect. .TP 5 .B "-update \fIseconds\fP" detect when image file is modified and redisplay. Suppose that while you are displaying an image the file that is currently displayed is over-written. \fBdisplay\fP will automatically detect that the input file has been changed and update the displayed image accordingly. .TP 5 .B -verbose print detailed information about the image. This information is printed: image scene number; image name; image size; the image class (\fIDirectClass\fP or \fIPseudoClass\fP); the total number of unique colors; and the number of seconds to read and transform the image. Refer to \fBmiff(5)\fP for a description of the image class. If \fB-colors\fP is also specified, the total unique colors in the image and color reduction error values are printed. Refer to \fBquantize(9)\fP for a description of these values. .TP 5 .B "-visual \fItype\fP" display image using this visual type. Choose from these visual classes: .PP StaticGray GrayScale StaticColor PseudoColor TrueColor DirectColor default \fIvisual id\fP .PP The X server must support the visual you choose, otherwise an error occurs. If a visual is not specified, the visual class that can display the most simultaneous colors on the default X server screen is chosen. .TP 5 .B "-window \fIid\fP" set the background pixmap of this window to the image. \fIid\fP can be a window id or name. Specify \fBroot\fP to select X's root window as the target window. By default the image is tiled onto the background of the target window. If \fB-backdrop\fP or \fB-geometry\fP are specified, the image is surrounded by the background color. Refer to \fBX RESOURCES\fP for details. The image will not display on the root window if the image has more unique colors than the target window colormap allows. Use \fB-colors\fP to reduce the number of colors. .B "-window_group \fIid\fP" exit program when this window id is destroyed. \fIid\fP can be a window id or name. .TP 5 .B "-write \fIfilename\fP" write image to a file. If \fIfile\fP already exists, you will be prompted as to whether it should be overwritten. By default, the image is written in the format that it was read in as. To specify a particular image format, prefix \fIfile\fP with the image type and a colon (i.e. ps:image) or specify the image type as the filename suffix (i.e. image.ps). See \fBconvert(1)\fP for a list of valid image formats. Specify \fIfile\fP as \fI-\fP for standard output. If \fIfile\fP has the extension \fB.Z\fP or \fB.gz\fP, the file size is compressed using with \fBcompress\fP or \fBgzip\fP respectively. Precede the image file name \fI|\fP to pipe to a system command. If \fIfile\fP already exists, you will be prompted as to whether it should be overwritten. Use \fB-compress\fP to specify the type of image compression. The equivalent X resource for this option is \fBwriteFilename\fP (class \fBWriteFilename\fP). See \fBX RESOURCES\fP for details. .PP In addition to those listed above, you can specify these standard X resources as command line options: \fB-background\fP, \fB-bordercolor\fP, \fB-borderwidth\fP, \fB-font\fP, \fB-foreground\fP, \fB-iconGeometry\fP, \fB-iconic\fP, \fB-mattecolor\fP, \fB-name\fP, or \fB-title\fP. See \fBX RESOURCES\fP for details. .PP Options are processed in command line order. Any option you specify on the command line remains in effect until it is explicitly changed by specifying the option again with a different effect. For example to display two images, the first with 32 colors, and the second with only 16 colors, use: .PP .B display -colors 32 cockatoo.miff -colors 16 macaw.miff .PP Change \fI-\fP to \fI\+\fP in any option above to reverse its effect. For example, specify \fB\+matte\fP to store the image without its matte channel. .PP By default, the image format is determined by its magic number. To specify a particular image format, precede the filename with an image format name and a colon (i.e. ps:image) or specify the image type as the filename suffix (i.e. image.ps). See \fBconvert(1)\fP for a list of valid image formats. .PP When you specify \fBX\fP as your image type, the filename has special meaning. It specifies an X window by id, name, or \fBroot\fP. If no filename is specified, the window is selected by clicking the mouse in the desired window. .PP Specify \fIfile\fP as \fI-\fP for standard input. If \fIfile\fP has the extension \fB.Z\fP or \fB.gz\fP, the file is uncompressed with \fBuncompress\fP or \fBgunzip\fP respectively. Precede the image file name \fI|\fP to pipe from a system command. .PP Use an optional index enclosed in brackets after a file name to specify a desired subimage of a multi-resolution image format like Photo CD (e.g. img0001.pcd[4]) or a range for MPEG images (e.g. video.mpg[50-75]). .PP Single images are read with the filename you specify. Alternatively, you can display an image sequence with a single filename. Define the range of the image sequence with \fI-scene\fP. Each image in the range is read with the filename followed by a period (\fB.\fP) and the scene number. You can change this behavior by embedding a \fBprintf\fP format specification in the file name. For example, .PP .B -scene 0-9 image%02d.miff .PP displays files image00.miff, image01.miff, through image09.miff. .SH BUTTONS The effects of each button press is described below. Three buttons are required. If you have a two button mouse, button 1 and 3 are returned. Press ALT and button 3 to simulate button 2. .TP 5 .B "1" Press this button to map or unmap the Command widget. See the next section for more information about the Command widget. .TP 5 .B "2" Press and drag to define a region of the image to magnify. .TP 5 .B "3" Press and drag to choose from a select set of \fBdisplay(1)\fP commands. This button behaves differently if the image being displayed is a visual image directory. Here, choose a particular tile of the directory and press this button and drag to select a command from a pop-up menu. Choose from these menu items: .PP Load Delete .PP If you choose \fBDelete\fP, the image represented by the tile is deleted. Otherwise, it is displayed. To return to the visual image directory, choose \fBNext\fP from the Command widget (refer to COMMAND WIDGET). See \fBmontage(1)\fP and \fBmiff(5)\fP for more details. .SH COMMAND WIDGET The Command widget lists a number of sub-menus and commands. They are .PP File Load... Next Former Select... Save... Print... Delete... Canvas... Visual Directory... Quit Edit Cut Copy Paste Undo View Half Size Original Size Double Size Resize... Apply Refresh Restore Transform Crop Chop Flop Flip Rotate Right Rotate Left Rotate... Shear... Trim Edges Enhance Hue... Saturation... Brightness... Gamma... Spiff... Dull Equalize Normalize Negate Grayscale Quantize... Effects Despeckle Peak Noise Sharpen... Blur... Edge Detect Emboss Oil Painting Raise... Segment... Image Edit Annotate Draw Color Matte Composite... Add Border... Add Frame... Comment Region of Interest Miscellany Image Info Show Histogram Background... Slide Show Preferences... Help Help Browse Documentation Version .PP Menu items with a indented triangle have a sub-menu. They are represented above as the indented items. To access a sub-menu item, move the pointer to the appropriate menu and press a button and drag. When you find the desired sub-menu item, release the button and the command is executed. Move the pointer away from the sub-menu if you decide not to execute a particular command. .SH KEYBOARD ACCELERATORS Accelerators are one or two key presses that effect a particular command. The keyboard accelerators that \fBdisplay(1)\fP understands is: .TP 5 .B "l" Press to load an image from a file. Refer to \fBIMAGE LOADING\fP for more details. .TP 5 .B "n" Press to display the next image. If the image is a multi-paged document such as a Postscript document, you can skip ahead several pages by preceeding this command with a number. For example to display the fourth page beyond the current page, press \fB4n\fP. .TP 5 .B "f" Press to display the former image. If the image is a multi-paged document such as a Postscript document, you can skip behind several pages by preceeding this command with a number. For example to display the fourth page preceeding the current page, press \fB4n\fP. .TP 5 .B "F2" Press to select an image from the command line. .TP 5 .B "s" Press to save the image to a file. .TP 5 .B "p" Press to print the image to a Postscript printer. .TP 5 .B "delete" Press to delete an image file. .TP 5 .B "C" Press to create a blank canvas. .TP 5 .B "V" Press to create a Visual Image Directory. Refer to \fBVISUAL IMAGE DIRECTORY\fP for more details. .TP 5 .B "q" Press to discard all images and exit program. .TP 5 .B "F3" Press to cut a region of the image. Refer to \fBIMAGE CUTTING\fP for more details. .TP 5 .B "F4" Press to copy a region of the image. Refer to \fBIMAGE COPYING\fP for more details. .TP 5 .B "F5" Press to paste a region to the image. Refer to \fBIMAGE PASTING\fP for more details. .TP 5 .B "u" Press to undo last image transformation. .TP 5 .B "<" Press to half the image size. .TP 5 .B "o" Press to return to the original image size. .TP 5 .B ">" Press to double the image size. .TP 5 .B "%" Press to resize the image to a width and height you specify. .TP 5 .B "A" Press to make any image transformations permanent. By default, any image size transformations are applied to the original image to create the image displayed on the X server. However, the transformations are not permanent (i.e. the original image does not change size only the X image does). For example, if you press \fB>\fP the X image will appear to double in size, but the orginal image will in fact remain the same size. To force the original image to double in size, press \fB>\fP followed by \fBA\fP. .TP 5 .B "@" Press to refresh the Image window. .TP 5 .B "r" Press to restore the image to its original size. .TP 5 .B "[" Press to crop the image. Refer to \fBIMAGE CROPPING\fP for more details. .TP 5 .B "]" Press to chop the image. Refer to \fBIMAGE CHOPPING\fP for more details. .TP 5 .B "|" Press to flop image in the horizontal direction. .TP 5 .B "-" Press to flip image in the vertical direction. .TP 5 .B "/" Press to rotate the image 90 degrees clockwise. .TP 5 .B \(bs Press to rotate the image 90 degrees counter-clockwise. .TP 5 .B "*" Press to rotate the image the number of degrees you specify. Refer to \fBIMAGE ROTATION\fP for more details. .TP 5 .B "F6" Press to shear the image the number of degrees you specify. .TP 5 .B "t" Press to trim the image edges. .TP 5 .B "F7" Press to vary the color hue. .TP 5 .B "F8" Press to vary the color saturation. .TP 5 .B "F9" Press to vary the image brightness. .TP 5 .B "g" Press to gamma correct the image. .TP 5 .B "F10" Press to spiff up the image contrast. .TP 5 .B "F11" Press to dull the image contrast. .TP 5 .B "=" Press to perform histogram equalization on the image. .TP 5 .B "N" Press to perform histogram normalization on the image. .TP 5 .B "~" Press to negate the colors of the image. .TP 5 .B "G" Press to convert the image colors to gray. .TP 5 .B "#" Press to set the maximum number of unique colors in the image. .TP 5 .B "D" Press to reduce the speckles in an image. .TP 5 .B "P" Press to eliminate peak noise from an image. .TP 5 .B "S" Press to sharpen an image. .TP 5 .B "B" Press to blur image an image. .TP 5 .B "E" Press to detect edges within an image. .TP 5 .B "M" Press to emboss an image. .TP 5 .B "O" Press to oil paint an image. .TP 5 .B "^" Press to lighten or darken image edges to create a 3-D effect. .TP 5 .B "Z" Press to segment the image by color. .TP 5 .B "R" Press to apply an image processing technique to a region of interest. Refer to \fBREGION OF INTEREST\fP for more details. .TP 5 .B "a" Press to annotate the image with text. Refer to \fBIMAGE ANNOTATION\fP for more details. .TP 5 .B "d" Press to draw a line on the image. Refer to \fBIMAGE DRAWING\fP for more details. .TP 5 .B "C" Press to edit an image pixel color. Refer to \fBCOLOR EDITING\fP for more details. .TP 5 .B "m" Press to edit the image matte information. Refer to \fBMATTE EDITING\fP for more details. .TP 5 .B "x" Press to composite the image with another. Refer to \fBIMAGE COMPOSITING\fP for more details. .TP 5 .B "a" Press to add a border to the image. .TP 5 .B "F" Press to add a ornamental frame to the image. .TP 5 .B "!" Press to add an image comment. .TP 5 .B "i" Press to display information about the image. .TP 5 .B "H" Press to show a histogram of the image. .TP 5 .B "}" Press to display image to background of a window. .TP 5 .B "," Press to display the next image after pausing. .TP 5 .B "F12" Press to set user preferences. .TP 5 .B "h" Press to display helpful information about \fBdisplay(1)\fP. Function keys \fIHELP\fP or \fIF1\fP are synonymous with the \fIh\fP key. .TP 5 .B "Find" Press to browse documentation about \fBImageMagick\fP. .TP 5 .B "v" Press to display the version number of \fBdisplay(1)\fP. .TP 5 .B "1-9" Press to change the level of magnification. .PP Use the arrow keys to move the image one pixel up, down, left, or right within the magnify window. Be sure to first map the magnify window by pressing button 2. Press \fBALT\fP and one of the arrow keys to trim off one pixel from any side of the image. .SH "X RESOURCES" \fBDisplay\fP options can appear on the command line or in your X resource file. Options on the command line supersede values specified in your X resource file. See \fBX(1)\fP for more information on X resources. Most \fBdisplay\fP options have a corresponding X resource. In addition, \fBdisplay\fP uses the following X resources: .TP 5 .B background (\fIclass\fP Background) Specifies the preferred color to use for the Image window background. The default is #ccc. .TP 5 .B borderColor (\fIclass\fP BorderColor) Specifies the preferred color to use for the Image window border. The default is black. .TP 5 .B borderWidth (\fIclass\fP BorderWidth) Specifies the width in pixels of the Image window border. The default is 2. .TP 5 .B confirmExit (\fIclass\fP ConfirmExit) Whether \fBDisplay\fP will pop up a dialog box to confirm exiting the program when the \fBQuit\fP menu option is chosen. Default is true. .TP 5 .B editorCommand (\fIclass\fP editorCommand) Specifies the name of the preferred editor when editing image comments. The default is \fInedit %s\fP. .TP 5 .B font (\fIclass\fP FontList) Specifies the name of the preferred font to use in normal formatted text. The default is 14 point \fIHelvetica\fP. .TP 5 .B font[1-9] (\fIclass\fP Font[1-9]) Specifies the name of the preferred font to use when annotating the Image window with text. The default fonts are \fIfixed\fP, \fIvariable\fP, \fI5x8\fP, \fI6x10\fP, \fI7x13bold\fP, \fI8x13bold\fP, \fI9x15bold\fP, \fI10x20\fP, and \fI12x24\fP. Refer to \fBIMAGE ANNOTATION\fP for more details. .TP 5 .B foreground (\fIclass\fP Foreground) Specifies the preferred color to use for text within the Image window. The default is black. .TP 5 .B geometry (\fIclass\fP Geometry) Specifies the preferred size and position of the image window. It is not necessarily obeyed by all window managers. .TP 5 .B iconGeometry (\fIclass\fP IconGeometry) Specifies the preferred size and position of the application when iconified. It is not necessarily obeyed by all window managers. .TP 5 .B iconic (\fIclass\fP Iconic) This resource indicates that you would prefer that the application's windows initially not be visible as if the windows had be immediately iconified by you. Window managers may choose not to honor the application's request. .TP 5 .B magnify (\fIclass\fP Magnify) specifies an integral factor by which the image should be enlarged. The default is 3. This value only affects the magnification window which is invoked with button number 3 after the image is displayed. Refer to \fBBUTTONS\fP for more details. .TP 5 .B matteColor (\fIclass\fP MatteColor) Specify the color of windows. It is used for the backgrounds of windows, menus, and notices. A 3D effect is achieved by using highlight and shadow colors derived from this color. Default value: #ccc. .TP 5 .B name (\fIclass\fP Name) This resource specifies the name under which resources for the application should be found. This resource is useful in shell aliases to distinguish between invocations of an application, without resorting to creating links to alter the executable file name. The default is the application name. .TP 5 .B pen[1-9] (\fIclass\fP Pen[1-9]) Specifies the color of the preferred font to use when annotating the Image window with text. The default colors are \fIblack\fP, \fIblue\fP, \fIgreen\fP, \fIcyan\fP, \fIgray\fP, \fIred\fP, \fImagenta\fP, \fIyellow\fP, and \fIwhite\fP. Refer to \fBIMAGE ANNOTATION\fP for more details. .TP 5 .B printCommand (\fIclass\fP PrintCommand) This command is executed whenever \fBPrint\fP is issued (see \fBBUTTONS\fP. In general, it is the command to print Postscript to your printer. Default value: \fBlpr %s\fP. .TP 5 .B sharedMemory (\fIclass\fP SharedMemory) This resource specifies whether display should attempt use shared memory for pixmaps. ImageMagick must be compiled with shared memory support, and the display must support the MIT-SHM extension. Otherwise, this resource is ignored. The default is True. .TP 5 .B textFont (\fIclass\fP textFont) Specifies the name of the preferred font to use in fixed (typewriter style) formatted text. The default is 14 point \fICourier\fP. .TP 5 .B title (\fIclass\fP Title) This resource specifies the title to be used for the Image window. This information is sometimes used by a window manager to provide a header identifying the window. The default is the image file name. .TP 5 .B usePixmap (\fIclass\fP UsePixmap) Images are maintained as a XImage by default. Set this resource to True to utilize a server Pixmap instead. This option is useful if your image exceeds the dimensions of your server screen and you intend to pan the image. Panning is much faster with Pixmaps than with a XImage. Pixmaps are considered a precious resource, use them with discretion. .PP To set the geometry of the \fIMagnify\fP or \fIPan\fP or window, use the \fIgeometry\fP resource. For example, to set the Pan window geometry to 256x256, use: .PP display.pan.geometry: 256x256 .PP .SH IMAGE LOADING To select an image to display, choose \fBLoad\fP of the \fBFile\fP sub-menu from the Command widget. A file browser is displayed. To choose a particular image file, move the pointer to the filename and press any button. The filename is copied to the text window. Next, press \fBLoad\fP or press the RETURN key. Alternatively, you can type the image file name directly into the text window. To descend directories, choose a directory name and press the button twice quickly. A scrollbar allows a large list of filenames to be moved through the viewing area if it exceeds the size of the list area. .PP You can trim the list of file names by using shell globbing characters. For example, type \fB*.jpg\fP to list only files that end with \fB.jpg\fP. .PP To select your image from the X server screen instead of from a file, Choose \fBGrab\fP of the \fBLoad\fP widget. .SH VISUAL IMAGE DIRECTORY To create a Visual Image Directory, choose \fBVisual Directory\fP of the \fBFile\fP sub-menu from the Command widget. A file browser is displayed. To create a Visual Image Directory from all the images in the current directory, press \fBDirectory\fP or press the RETURN key. Alternatively, you can select a set of image names by using shell globbing characters. For example, type \fB*.jpg\fP to include only files that end with \fB.jpg\fP. To descend directories, choose a directory name and press the button twice quickly. A scrollbar allows a large list of filenames to be moved through the viewing area if it exceeds the size of the list area. .PP After you select a set of files, they are turned into thumbnails and tiled onto a single image. Now move the pointer to a particular thumbnail and press button 3 and drag. Finally, select \fBLoad\fP. The image represented by the thumbnail is displayed at its full size. Choose \fBNext\fP from the \fBFile\fP sub-menu of the Command widget to return to the Visual Image Directory. .SH IMAGE CUTTING Note that cut information for \fIImage window\fP is not retained for colormapped X server visuals (e.g. \fIStaticColor\fP, \fIStaticColor\fP, \fIGrayScale\fP, \fIPseudoColor\fP). Correct cutting behavior may require a \fITrueColor\fP or \fIDirectColor\fP visual or a \fIStandard Colormap\fP. .PP To begin, press choose \fBCut\fP of the \fBEdit\fP sub-menu from the Command widget (see \fBCOMMAND WIDGET\fP). Alternatively, press \fBF3\fP in the Image window (see \fBKEYBOARD ACCELERATORS\fP). .PP A small window appears showing the location of the cursor in the image window. You are now in \fIcut\fP mode. In \fIcut\fP mode, the Command widget has these options: .PP Help Dismiss .PP To define a cut region, press button 1 and drag. The cut region is defined by a highlighted rectangle that expands or contracts as it follows the pointer. Once you are satisfied with the cut region, release the button. You are now in \fIrectify\fP mode. In \fIrectify\fP mode, the Command widget has these options: .PP Cut Help Dismiss .PP You can make adjustments by moving the pointer to one of the cut rectangle corners, pressing a button, and dragging. Finally, press \fBCut\fP to commit your copy region. To exit without cutting the image, press \fBDismiss\fP. .SH IMAGE COPYING To begin, press choose \fBCopy\fP of the \fBEdit\fP sub-menu from the Command widget (see \fBCOMMAND WIDGET\fP). Alternatively, press \fBF4\fP in the Image window (see \fBKEYBOARD ACCELERATORS\fP). .PP A small window appears showing the location of the cursor in the image window. You are now in \fIcopy\fP mode. In \fIcopy\fP mode, the Command widget has these options: .PP Help Dismiss .PP To define a copy region, press button 1 and drag. The copy region is defined by a highlighted rectangle that expands or contracts as it follows the pointer. Once you are satisfied with the copy region, release the button. You are now in \fIrectify\fP mode. In \fIrectify\fP mode, the Command widget has these options: .PP Copy Help Dismiss .PP You can make adjustments by moving the pointer to one of the copy rectangle corners, pressing a button, and dragging. Finally, press \fBCopy\fP to commit your copy region. To exit without copying the image, press \fBDismiss\fP. .SH IMAGE PASTING To begin, press choose \fBPaste\fP of the \fBEdit\fP sub-menu from the Command widget (see \fBCOMMAND WIDGET\fP). Alternatively, press \fBF5\fP in the Image window (see \fBKEYBOARD ACCELERATORS\fP). .PP A small window appears showing the location of the cursor in the image window. You are now in \fIPaste\fP mode. To exit immediately, press \fBDismiss\fP. In \fIPaste\fP mode, the Command widget has these options: .PP Operators over in out atop xor plus minus add subtract difference replace Help Dismiss .PP Choose a composite operation from the \fBOperators\fP sub-menu of the Command widget. How each operator behaves is described below. \fIImage window\fP is the image currently displayed on your X server and \fIimage\fP is the image obtained with the File Browser widget. .PP .TP 9 .B over The result is the union of the two image shapes, with \fIimage\fP obscuring \fIImage window\fP in the region of overlap. .TP 9 .B in The result is simply \fIimage\fP cut by the shape of \fIimage window\fP. None of the image data of \fIImage window\fP is in the result. .TP 9 .B out The resulting image is \fIimage\fP with the shape of \fIImage window\fP cut out. .TP 9 .B atop The result is the same shape as image \fIImage window\fP, with \fIimage\fP obscuring \fIImage window\fP where the image shapes overlap. Note this differs from \fBover\fP because the portion of \fIimage\fP outside \fIImage window\fP's shape does not appear in the result. .TP 9 .B xor The result is the image data from both \fIimage\fP and \fIImage window\fP that is outside the overlap region. The overlap region is blank. .TP 9 .B plus The result is just the sum of the image data. Output values are cropped to 255 (no overflow). This operation is independent of the matte channels. .TP 9 .B minus The result of \fIimage\fP \- \fIImage window\fP, with underflow cropped to zero. The matte channel is ignored (set to 255, full coverage). .TP 9 .B add The result of \fIimage\fP + \fIImage window\fP, with overflow wrapping around (\fImod\fP 256). .TP 9 .B subtract The result of \fIimage\fP - \fIImage window\fP, with underflow wrapping around (\fImod\fP 256). The \fBadd\fP and \fBsubtract\fP operators can be used to perform reversible transformations. .TP 9 .B difference The result of abs(\fIimage\fP \- \fIImage window\fP). This is useful for comparing two very similar images. .TP 9 .B replace The resulting image is \fIImage window\fP replaced with \fIimage\fP. Here the matte information is ignored. .PP The image compositor requires a matte, or alpha channel in the image for some operations. This extra channel usually defines a mask which represents a sort of a cookie-cutter for the image. This is the case when matte is 255 (full coverage) for pixels inside the shape, zero outside, and between zero and 255 on the boundary. If \fIimage\fP does not have a matte channel, it is initialized with 0 for any pixel matching in color to pixel location (0,0), otherwise 255. See \fBMATTE EDITING\fP for a method of defining a matte channel. .PP Note that matte information for \fIImage window\fP is not retained for colormapped X server visuals (e.g. \fIStaticColor\fP, \fIStaticColor\fP, \fIGrayScale\fP, \fIPseudoColor\fP). Correct compositing behavior may require a \fITrueColor\fP or \fIDirectColor\fP visual or a \fIStandard Colormap\fP. .PP Choosing a composite operator is optional. The default operator is \fIreplace\fP. However, you must choose a location to composite your image and press a button. Press and hold the button before releasing and an outline of the image will appear to help you identify your location. .PP The actual colors of the pasted image is saved. However, the color that appears in \fIImage window\fP may be different. For example, on a monochrome screen \fIImage window\fP will appear black or white even though your pasted image may have many colors. If the image is saved to a file it is written with the correct colors. To assure the correct colors are saved in the final image, any \fIPseudoClass\fP image is promoted to \fIDirectClass\fP (see \fBmiff(5)\fP). To force a \fIPseudoClass\fP image to remain \fIPseudoClass\fP, use \fB-colors\fP. .SH IMAGE CROPPING To begin, press choose \fBCrop\fP of the \fBTransform\fP sub-menu from the Command widget (see \fBCOMMAND WIDGET\fP). Alternatively, press \fB[\fP in the Image window (see \fBKEYBOARD ACCELERATORS\fP). .PP A small window appears showing the location of the cursor in the image window. You are now in \fIcrop\fP mode. In \fIcrop\fP mode, the Command widget has these options: .PP Help Dismiss .PP To define a cropping region, press button 1 and drag. The cropping region is defined by a highlighted rectangle that expands or contracts as it follows the pointer. Once you are satisfied with the cropping region, release the button. You are now in \fIrectify\fP mode. In \fIrectify\fP mode, the Command widget has these options: .PP Crop Help Dismiss .PP You can make adjustments by moving the pointer to one of the cropping rectangle corners, pressing a button, and dragging. Finally, press \fBCrop\fP to commit your cropping region. To exit without cropping the image, press \fBDismiss\fP. .SH IMAGE CHOPPING An image is chopped interactively. There is no command line argument to chop an image. To begin, choose \fBChop\fP of the \fBTransform\fP sub-menu from the Command widget (see \fBCOMMAND WIDGET\fP). Alternatively, press \fB]\fP in the Image window (see \fBKEYBOARD ACCELERATORS\fP). .PP You are now in \fIChop\fP mode. To exit immediately, press \fBDismiss\fP. In \fIChop\fP mode, the Command widget has these options: .PP Direction horizontal vertical Help Dismiss .PP If the you choose the \fBhorizontal\fP direction (this is the default), the area of the image between the two horizontal endpoints of the chop line is removed. Otherwise, the area of the image between the two vertical endpoints of the chop line is removed. .PP Select a location within the Image window to begin your chop, press and hold any button. Next, move the pointer to another location in the image. As you move a line will connect the initial location and the pointer. When you release the button, the area within the image to chop is determined by which direction you choose from the Command widget. .PP To cancel the image chopping, move the pointer back to the starting point of the line and release the button. .SH IMAGE ROTATION Press the \fB/\fP key to rotate the image 90 degrees or \fB\\\fP to rotate -90 degrees (see \fBKEYBOARD ACCELERATORS\fP). To interactively choose the degree of rotation, choose \fBRotate...\fP of the \fBPixel Transform\fP submenu from the Command Widget (see \fBCOMMAND WIDGET\fP). Alternatively, press \fI*\fP in the Image window (see \fBKEYBOARD ACCELERATORS\fP). .PP A small horizontal line is drawn next to the pointer. You are now in \fIrotate\fP mode. To exit immediately, press \fBDismiss\fP. In \fIrotate\fP mode, the Command widget has these options: .PP Pixel Color black blue cyan green gray red magenta yellow white Browser... Direction horizontal vertical Help Dismiss .PP Choose a background color from the \fBPixel Color\fP sub-menu. Additional background colors can be specified with the color browser. You can change the menu colors by setting the X resources \fBpen1\fP through \fBpen9\fP. Refer to \fBX RESOURCES\fP for more details. .PP If you choose the color browser and press \fBGrab\fP, you can select the background color by moving the pointer to the desired color on the screen and press any button. .PP Choose a point in the Image window and press this button and hold. Next, move the pointer to another location in the image. As you move a line connects the initial location and the pointer. When you release the button, the degree of image rotation is determined by the slope of the line you just drew. The slope is relative to the direction you choose from the \fBDirection\fP sub-menu of the Command widget. .PP To cancel the image rotation, move the pointer back to the starting point of the line and release the button. .SH IMAGE ANNOTATION An image is annotated interactively. There is no command line argument to annotate an image. To begin, choose \fIAnnotate\fP of the \fBImage Edit\fP sub-menu from the Command widget (see \fBCOMMAND WIDGET\fP). Alternatively, press \fIa\fP in the Image window (see \fBKEYBOARD ACCELERATORS\fP). .PP A small window appears showing the location of the cursor in the image window. You are now in \fIannotate\fP mode. To exit immediately, press \fBDismiss\fP. In \fIannotate\fP mode, the Command widget has these options: .PP Font Name fixed variable 5x8 6x10 7x13bold 8x13bold 9x15bold 10x20 12x24 Browser... Font Color black blue cyan green gray red magenta yellow white Browser... Rotate Text 45 90 135 180 225 270 315 Dialog... Help Dismiss .PP Choose a font name from the \fBFont Name\fP sub-menu. Additional font names can be specified with the font browser. You can change the menu names by setting the X resources \fBfont1\fP through \fBfont9\fP. Refer to \fBX RESOURCES\fP for more details. .PP Choose a font color from the \fBFont Color\fP sub-menu. Additional font colors can be specified with the color browser. You can change the menu colors by setting the X resources \fBpen1\fP through \fBpen9\fP. Refer to \fBX RESOURCES\fP for more details. .PP If you select the color browser and press \fBGrab\fP, you can choose the font color by moving the pointer to the desired color on the screen and press any button. .PP If you choose to rotate the text, choose Rotate Text from the menu and select an angle. Typically you will only want to rotate one line of text at a time. Depending on the angle you choose, subsequent lines may end up overwriting each other. .PP Choosing a font and its color is optional. The default font is \fIfixed\fP and the default color is \fIblack\fP. However, you must choose a location to begin entering text and press a button. An underscore character will appear at the location of the pointer. The cursor changes to a pencil to indicate you are in \fItext\fP mode. To exit immediately, press \fBDismiss\fP. .PP In \fItext\fP mode, any key presses will display the character at the location of the underscore and advance the underscore cursor. Enter your text and once completed press \fBDismiss\fP to finish your image annotation. To correct errors press \fBBACK SPACE\fP. To delete an entire line of text, press \fBDELETE\fP. Any text that exceeds the boundaries of the Image window is automatically continued onto the next line. .PP The actual color you request for the font is saved in the image. However, the color that appears in your Image window may be different. For example, on a monochrome screen the text will appear black or white even if you choose the color red as the font color. However, the image saved to a file with \fB-write\fP is written with red lettering. To assure the correct color text in the final image, any \fIPseudoClass\fP image is promoted to \fIDirectClass\fP (see \fBmiff(5)\fP). To force a \fIPseudoClass\fP image to remain \fIPseudoClass\fP, use \fB-colors\fP. .SH IMAGE COMPOSITING An image composite is created interactively. There is no command line argument to composite an image. To begin, choose \fBComposite\fP of the \fBImage Edit\fP from the Command widget (see \fBCOMMAND WIDGET\fP). Alternatively, press \fIx\fP in the Image window (see \fBKEYBOARD ACCELERATORS\fP). .PP First a popup window is displayed requesting you to enter an image name. Press \fBComposite\fP, \fBGrab\fP or type a file name. Press \fBCancel\fP if you choose not to create a composite image. When you choose \fBGrab\fP, move the pointer to the desired window and press any button. .PP A small window appears showing the location of the cursor in the image window. You are now in \fIcomposite\fP mode. To exit immediately, press \fBDismiss\fP. In \fIcomposite\fP mode, the Command widget has these options: .PP Operators over in out atop xor plus minus add subtract difference replace Blend Help Dismiss .PP Choose a composite operation from the \fBOperators\fP sub-menu of the Command widget. How each operator behaves is described below. \fIImage window\fP is the image currently displayed on your X server and \fIimage\fP is the image obtained with the File Browser widget. .PP .TP 9 .B over The result is the union of the two image shapes, with \fIimage\fP obscuring \fIImage window\fP in the region of overlap. .TP 9 .B in The result is simply \fIimage\fP cut by the shape of \fIimage window\fP. None of the image data of \fIImage window\fP is in the result. .TP 9 .B out The resulting image is \fIimage\fP with the shape of \fIImage window\fP cut out. .TP 9 .B atop The result is the same shape as image \fIImage window\fP, with \fIimage\fP obscuring \fIImage window\fP where the image shapes overlap. Note this differs from \fBover\fP because the portion of \fIimage\fP outside \fIImage window\fP's shape does not appear in the result. .TP 9 .B xor The result is the image data from both \fIimage\fP and \fIImage window\fP that is outside the overlap region. The overlap region is blank. .TP 9 .B plus The result is just the sum of the image data. Output values are cropped to 255 (no overflow). This operation is independent of the matte channels. .TP 9 .B minus The result of \fIimage\fP \- \fIImage window\fP, with underflow cropped to zero. The matte channel is ignored (set to 255, full coverage). .TP 9 .B add The result of \fIimage\fP + \fIImage window\fP, with overflow wrapping around (\fImod\fP 256). .TP 9 .B subtract The result of \fIimage\fP - \fIImage window\fP, with underflow wrapping around (\fImod\fP 256). The \fBadd\fP and \fBsubtract\fP operators can be used to perform reversible transformations. .TP 9 .B difference The result of abs(\fIimage\fP \- \fIImage window\fP). This is useful for comparing two very similar images. .TP 9 .B replace The resulting image is \fIImage window\fP replaced with \fIimage\fP. Here the matte information is ignored. .PP The image compositor requires a matte, or alpha channel in the image for some operations. This extra channel usually defines a mask which represents a sort of a cookie-cutter for the image. This is the case when matte is 255 (full coverage) for pixels inside the shape, zero outside, and between zero and 255 on the boundary. If \fIimage\fP does not have a matte channel, it is initialized with 0 for any pixel matching in color to pixel location (0,0), otherwise 255. See \fBMATTE EDITING\fP for a method of defining a matte channel. .PP If you choose \fBBlend\fP, the composite operator becomes \fBOver\fP. The \fIimage\fP matte channel percent transparency is initialized to \fIfactor\fP. The \fIimage window\fP is initialized to \fI(100-factor)\fP. Where factor is the value you specify in the Dialog widget. .PP Note that matte information for \fIImage window\fP is not retained for colormapped X server visuals (e.g. \fIStaticColor\fP, \fIStaticColor\fP, \fIGrayScale\fP, \fIPseudoColor\fP). Correct compositing behavior may require a \fITrueColor\fP or \fIDirectColor\fP visual or a \fIStandard Colormap\fP. .PP Choosing a composite operator is optional. The default operator is \fIreplace\fP. However, you must choose a location to composite your image and press a button. Press and hold the button before releasing and an outline of the image will appear to help you identify your location. .PP The actual colors of the composite image is saved. However, the color that appears in \fIImage window\fP may be different. For example, on a monochrome screen \fIImage window\fP will appear black or white even though your composited image may have many colors. If the image is saved to a file it is written with the correct colors. To assure the correct colors are saved in the final image, any \fIPseudoClass\fP image is promoted to \fIDirectClass\fP (see \fBmiff(5)\fP). To force a \fIPseudoClass\fP image to remain \fIPseudoClass\fP, use \fB-colors\fP. .SH COLOR EDITING Changing the the color of a set of pixels is performed interactively. There is no command line argument to edit a pixel. To begin, choose \fBColor\fP from the \fBImage Edit\fP submenu of the Command widget (see \fBCOMMAND WIDGET\fP). Alternatively, press \fIc\fP in the image window (see \fBKEYBOARD ACCELERATORS\fP). .PP A small window appears showing the location of the cursor in the image window. You are now in \fIcolor edit\fP mode. To exit immediately, press \fBDismiss\fP. In \fIcolor edit\fP mode, the Command widget has these options: .PP Pixel Color black blue cyan green gray red magenta yellow white Browser... Method point replace floodfill Undo Help Dismiss .PP Choose a pixel color from the \fBPixel Color\fP sub-menu. Additional pixel colors can be specified with the color browser. You can change the menu colors by setting the X resources \fBpen1\fP through \fBpen9\fP. Refer to \fBX RESOURCES\fP for more details. .PP Next, choose a color editing method from the \fBMethod\fP sub-menu of the Command widget. The \fBpoint\fP method recolors any pixel selected with the pointer unless the button is released. The \fBreplace\fP method recolors any pixel that matches the color of the pixel you select with a button press. \fBFloodfill\fP recolors any pixel that matches the color of the pixel you select with a button press and is a neighbor. .PP Now press a button to select a pixel within the Image window to change its color. Additional pixels may be recolored as prescribed by the method you choose. If the Magnify widget is mapped, it can be helpful in positioning your pointer within the image (refer to button 2). .PP The actual color you request for the pixels is saved in the image. However, the color that appears in your Image window may be different. For example, on a monochrome screen the pixel will appear black or white even if you choose the color red as the pixel color. However, the image saved to a file with \fB-write\fP is written with red pixels. To assure the correct color text in the final image, any \fIPseudoClass\fP image is promoted to \fIDirectClass\fP (see \fBmiff(5)\fP). To force a \fIPseudoClass\fP image to remain \fIPseudoClass\fP, use \fB-colors\fP. .SH MATTE EDITING Matte information within an image is useful for some operations such as image compositing (See \fBIMAGE COMPOSITING\fP). This extra channel usually defines a mask which represents a sort of a cookie-cutter for the image. This is the case when matte is 255 (full coverage) for pixels inside the shape, zero outside, and between zero and 255 on the boundary. .PP Setting the matte information in an image is done interactively. There is no command line argument to edit a pixel. To begin, and choose \fIMatte\fP of the \fBImage Edit\fP sub-menu from the Command widget (see \fBCOMMAND WIDGET\fP). Alternatively, press \fIm\fP in the image window (see \fBKEYBOARD ACCELERATORS\fP). .PP A small window appears showing the location of the cursor in the image window. You are now in \fImatte edit\fP mode. To exit immediately, press \fBDismiss\fP. In \fImatte edit\fP mode, the Command widget has these options: .PP Method point replace floodfill Matte Undo Help Dismiss .PP Choose a matte editing method from the \fBMethod\fP sub-menu of the Command widget. The \fBpoint\fP method changes the matte value of the any pixel selected with the pointer until the button is released. The \fBreplace\fP method changes the matte value of any pixel that matches the color of the pixel you select with a button press. \fBFloodfill\fP changes the matte value of any pixel that matches the color of the pixel you select with a button press and is a neighbor. .PP Choose \fBMatte Value\fP and a dialog appears requesting a matte value. Enter a value between 0 and 255. This value is assigned as the matte value of the selected pixel or pixels. .PP Now, press any button to select a pixel within the Image window to change its matte value. If the Magnify widget is mapped, it can be helpful in positioning your pointer within the image (refer to button 2). .PP Matte information is only valid in a \fIDirectClass\fP image. Therefore, any \fIPseudoClass\fP image is promoted to \fIDirectClass\fP (see \fBmiff(5)\fP). Note that matte information for \fIPseudoClass\fP is not retained for colormapped X server visuals (e.g. \fIStaticColor\fP, \fIStaticColor\fP, \fIGrayScale\fP, \fIPseudoColor\fP) unless you immediately save your image to a file (refer to \fBWrite\fP). Correct matte editing behavior may require a \fITrueColor\fP or \fIDirectColor\fP visual or a \fIStandard Colormap\fP. .SH IMAGE DRAWING An image is drawn upon interactively. There is no command line argument to draw on an image. To begin, choose \fIDraw\fP of the \fBImage Edit\fP sub-menu from the Command widget (see \fBCOMMAND WIDGET\fP). Alternatively, press \fId\fP in the Image window (see \fBKEYBOARD ACCELERATORS\fP). .PP The cursor changes to a crosshair to indicate you are in \fIdraw\fP mode. To exit immediately, press \fBDismiss\fP. In \fIdraw\fP mode, the Command widget has these options: .PP Primitive line rectangle fill rectangle Color black blue cyan green gray red magenta yellow white Browser... Width 1 2 4 6 8 Dialog... Undo Help Dismiss .PP Choose a drawing primitive from the \fBPrimitive\fP sub-menu. .PP Next, choose a color from the \fBColor\fP sub-menu. Additional colors can be specified with the color browser. You can change the menu colors by setting the X resources \fBpen1\fP through \fBpen9\fP. Refer to \fBX RESOURCES\fP for more details. .PP If you choose the color browser and press \fBGrab\fP, you can select the primitive color by moving the pointer to the desired color on the screen and press any button. .PP Choose a line width from the \fBWidth\fP sub-menu. To choose a specific width select the Dialog widget. .PP Choose a point in the Image window and press a button and hold. Next, move the pointer to another location in the image. As you move, a line connects the initial location and the pointer. When you release the button, the image is updated with the primitive you just drew. .PP To cancel image drawing, move the pointer back to the starting point of the line and release the button. .SH REGION OF INTEREST To begin, press choose \fBRegion of Interest\fP of the \fBTransform\fP sub-menu from the Command widget (see \fBCOMMAND WIDGET\fP). Alternatively, press \fBR\fP in the Image window (see \fBKEYBOARD ACCELERATORS\fP). .PP A small window appears showing the location of the cursor in the image window. You are now in \fIregion of interest\fP mode. In \fIregion of interest\fP mode, the Command widget has these options: .PP Help Dismiss .PP To define a region of interest, press button 1 and drag. The region of interest is defined by a highlighted rectangle that expands or contracts as it follows the pointer. Once you are satisfied with the region of interest, release the button. You are now in \fIapply\fP mode. In \fIapply\fP mode the Command widget has these options: .PP File Image Info Edit Undo Transform Flip Flop Rotate Right Rotate Left Enhance Brightness... Saturation... Hue... Gamma... Sharpen... Dull Equalize Normalize Negate Effects Despeckle Peak Noise Sharpen Blur Edge Detect Emboss Oil Painting Segment Grayscale Quantize... Help Dismiss .PP You can make adjustments to the region of interest by moving the pointer to one of the rectangle corners, pressing a button, and dragging. Finally, choose an image processing technique from the Command widget. You can choose more than one image processing technique to apply to an area. Alternatively, you can move the region of interest before applying another image processing technique. To exit, press \fBDismiss\fP. .SH IMAGE PANNING When an image exceeds the width or height of the X server screen, \fBdisplay\fP maps a small panning icon. The rectangle within the panning icon shows the area that is currently displayed in the the Image window. To \fIpan\fP about the image, press any button and drag the pointer within the panning icon. The pan rectangle moves with the pointer and the Image window is updated to reflect the location of the rectangle within the panning icon. When you have selected the area of the image you wish to view, release the button. Use the arrow keys to pan the image one pixel up, down, left, or right within the Image window. The panning icon is withdrawn if the image becomes smaller than the dimensions of the X server screen. .SH ENVIRONMENT .TP 5 .B display To get the default host, display number, and screen. .SH SEE ALSO .B animate(1), import(1), montage(1), mogrify(1), mosaic(1), convert(1), segment(1), combine(1), xtp(1) .SH COPYRIGHT Copyright 1995 E. I. du Pont de Nemours and Company .PP Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. du Pont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. du Pont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty. .PP E. I. du Pont de Nemours and Company disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness, in no event shall E. I. du Pont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortuous action, arising out of or in connection with the use or performance of this software. .SH ACKNOWLEDGEMENTS The MIT X Consortium for making network transparent graphics a reality. .PP Peder Langlo, Hewlett Packard, Norway, made hundreds of suggestions and bug reports. Without Peder, ImageMagick would not be nearly as useful as it is today. .PP Rod Bogart and John W. Peterson, University of Utah. Image compositing is loosely based on \fIrlecomp\fP of the Utah Raster Toolkit. .PP Michael Halle, Spatial Imaging Group at MIT, for the initial implementation of Alan Paeth's image rotation algorithm. .PP David Pensak, E. I. du Pont de Nemours and Company, for providing a computing environment that made this program possible. .PP Paul Raveling, USC Information Sciences Institute. The spacial subdivision color reduction algorithm is based on his \fIImg\fP software. .SH AUTHORS John Cristy, E.I. du Pont de Nemours and Company Incorporated ore details. .PP Next, choose a color editing method from the \fBM./ImageMagick/install-sh010075500000240000024000000112430566770406300163110ustar00cristycristy00002330000007#!/bin/sh # # install - install a program, script, or datafile # This comes from X11R5. # # Calling this script install-sh is preferred over install.sh, to prevent # `make' implicit rules from creating a file called install from it # when there is no Makefile. # # This script is compatible with the BSD install script, but was written # from scratch. # # set DOITPROG to echo to test this script # Don't use :- since 4.3BSD and earlier shells don't like it. doit="${DOITPROG-}" # put in absolute paths if you don't have them in your path; or use env. vars. mvprog="${MVPROG-mv}" cpprog="${CPPROG-cp}" chmodprog="${CHMODPROG-chmod}" chownprog="${CHOWNPROG-chown}" chgrpprog="${CHGRPPROG-chgrp}" stripprog="${STRIPPROG-strip}" rmprog="${RMPROG-rm}" mkdirprog="${MKDIRPROG-mkdir}" tranformbasename="" transform_arg="" instcmd="$mvprog" chmodcmd="$chmodprog 0755" chowncmd="" chgrpcmd="" stripcmd="" rmcmd="$rmprog -f" mvcmd="$mvprog" src="" dst="" dir_arg="" while [ x"$1" != x ]; do case $1 in -c) instcmd="$cpprog" shift continue;; -d) dir_arg=true shift continue;; -m) chmodcmd="$chmodprog $2" shift shift continue;; -o) chowncmd="$chownprog $2" shift shift continue;; -g) chgrpcmd="$chgrpprog $2" shift shift continue;; -s) stripcmd="$stripprog" shift continue;; -t=*) transformarg=`echo $1 | sed 's/-t=//'` shift continue;; -b=*) transformbasename=`echo $1 | sed 's/-b=//'` shift continue;; *) if [ x"$src" = x ] then src=$1 else # this colon is to work around a 386BSD /bin/sh bug : dst=$1 fi shift continue;; esac done if [ x"$src" = x ] then echo "install: no input file specified" exit 1 else true fi if [ x"$dir_arg" != x ]; then dst=$src src="" if [ -d $dst ]; then instcmd=: else instcmd=mkdir fi else # Waiting for this to be detected by the "$instcmd $src $dsttmp" command # might cause directories to be created, which would be especially bad # if $src (and thus $dsttmp) contains '*'. if [ -f $src -o -d $src ] then true else echo "install: $src does not exist" exit 1 fi if [ x"$dst" = x ] then echo "install: no destination specified" exit 1 else true fi # If destination is a directory, append the input filename; if your system # does not like double slashes in filenames, you may need to add some logic if [ -d $dst ] then dst="$dst"/`basename $src` else true fi fi ## this sed command emulates the dirname command dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'` # Make sure that the destination directory exists. # this part is taken from Noah Friedman's mkinstalldirs script # Skip lots of stat calls in the usual case. if [ ! -d "$dstdir" ]; then defaultIFS=' ' IFS="${IFS-${defaultIFS}}" oIFS="${IFS}" # Some sh's can't handle IFS=/ for some reason. IFS='%' set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'` IFS="${oIFS}" pathcomp='' while [ $# -ne 0 ] ; do pathcomp="${pathcomp}${1}" shift if [ ! -d "${pathcomp}" ] ; then $mkdirprog "${pathcomp}" else true fi pathcomp="${pathcomp}/" done fi if [ x"$dir_arg" != x ] then $doit $instcmd $dst && if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi && if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi && if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi && if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi else # If we're going to rename the final executable, determine the name now. if [ x"$transformarg" = x ] then dstfile=`basename $dst` else dstfile=`basename $dst $transformbasename | sed $transformarg`$transformbasename fi # don't allow the sed command to completely eliminate the filename if [ x"$dstfile" = x ] then dstfile=`basename $dst` else true fi # Make a temp file name in the proper directory. dsttmp=$dstdir/#inst.$$# # Move or copy the file name to the temp name $doit $instcmd $src $dsttmp && trap "rm -f ${dsttmp}" 0 && # and set any options; do chmod last to preserve setuid bits # If any of these fail, we abort the whole thing. If we want to # ignore errors from any of these, just make sure not to ignore # errors from the above "$doit $instcmd $src $dsttmp" command. if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi && if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi && if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi && if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi && # Now rename the file to the real destination. $doit $rmcmd -f $dstdir/$dstfile && $doit $mvcmd $dsttmp $dstdir/$dstfile fi && exit 0 ./ImageMagick/quantize.man010064400000240000024000000263250601517471300166400ustar00cristycristy00002330000007.ad l .nh .TH quantize 9 "1 May 1994" "ImageMagick" .SH NAME Quantize - ImageMagick's color reduction algorithm. .SH SYNOPSIS .B #include .SH DESCRIPTION This document describes how \fBImageMagick\fP performs color reduction on an image. To fully understand this document, you should have a knowledge of basic imaging techniques and the tree data structure and terminology. .PP For purposes of color allocation, an image is a set of \fIn\fP pixels, where each pixel is a point in RGB space. RGB space is a 3-dimensional vector space, and each pixel, \fIp\d\s-3i\s0\u\fP, is defined by an ordered triple of red, green, and blue coordinates, (\fIr\d\s-3i\s0\u, g\d\s-3i\s0\u, b\d\s-3i\s0\u\fP). .PP Each primary color component (red, green, or blue) represents an intensity which varies linearly from 0 to a maximum value, \fIc\d\s-3max\s0\u\fP, which corresponds to full saturation of that color. Color allocation is defined over a domain consisting of the cube in RGB space with opposite vertices at (0,0,0) and (\fIc\d\s-3max\s0\u,c\d\s-3max\s0\u,c\d\s-3max\s0\u\fP). \fBImageMagick\fP requires \fIc\d\s-3max\s0\u = 255\fP. .PP The algorithm maps this domain onto a tree in which each node represents a cube within that domain. In the following discussion, these cubes are defined by the coordinate of two opposite vertices: The vertex nearest the origin in RGB space and the vertex farthest from the origin. .PP The tree's root node represents the the entire domain, (0,0,0) through (\fIc\d\s-3max\s0\u,c\d\s-3max\s0\u,c\d\s-3max\s0\u\fP). Each lower level in the tree is generated by subdividing one node's cube into eight smaller cubes of equal size. This corresponds to bisecting the parent cube with planes passing through the midpoints of each edge. .PP The basic algorithm operates in three phases: \fBClassification, Reduction\fP, and \fBAssignment\fP. \fBClassification\fP builds a color description tree for the image. \fBReduction\fP collapses the tree until the number it represents, at most, is the number of colors desired in the output image. \fBAssignment\fP defines the output image's color map and sets each pixel's color by reclassification in the reduced tree. Our goal is to minimize the numerical discrepancies between the original colors and quantized colors. To learn more about quantization error, see MEASURING COLOR REDUCTION ERROR later in this document. .PP \fBClassification\fP begins by initializing a color description tree of sufficient depth to represent each possible input color in a leaf. However, it is impractical to generate a fully-formed color description tree in the classification phase for realistic values of \fIc\d\s-3max\s0\u\fP. If color components in the input image are quantized to \fIk\fP-bit precision, so that \fIc\d\s-3max\s0\u = 2\u\s-3k\s0\d-1\fP, the tree would need \fIk\fP levels below the root node to allow representing each possible input color in a leaf. This becomes prohibitive because the tree's total number of nodes is .PP \fI\s+6\(*S\u\s-9 k\d\di=1\s0 8k\fP\s0\u .PP A complete tree would require 19,173,961 nodes for \fIk = 8, c\d\s-3max\s0\u = 255\fP. Therefore, to avoid building a fully populated tree, \fBImageMagick\fP: (1) Initializes data structures for nodes only as they are needed; (2) Chooses a maximum depth for the tree as a function of the desired number of colors in the output image (currently \fIlog\d\s-34\s0\u(colormap size)\+2\fP). A tree of this depth generally allows the best representation of the source image with the fastest computational speed and the least amount of memory. However, the default depth is inappropriate for some images. Therefore, the caller can request a specific tree depth. .PP For each pixel in the input image, classification scans downward from the root of the color description tree. At each level of the tree, it identifies the single node which represents a cube in RGB space containing the pixel's color. It updates the following data for each such node: .TP 5 .B n\d\s-31\s0\u: Number of pixels whose color is contained in the RGB cube which this node represents; .TP 5 .B n\d\s-32\s0\u: Number of pixels whose color is not represented in a node at lower depth in the tree; initially, \fIn\d\s-32\s0\u = 0\fP for all nodes except leaves of the tree. .TP 5 .B S\d\s-3r\s0\u, S\d\s-3g\s0\u, S\d\s-3b\s0\u: Sums of the red, green, and blue component values for all pixels not classified at a lower depth. The combination of these sums and \fIn\d\s-32\s0\u\fP will ultimately characterize the mean color of a set of pixels represented by this node. .TP 5 .B E: The distance squared in RGB space between each pixel contained within a node and the nodes' center. This represents the quantization error for a node. .PP \fBReduction\fP repeatedly prunes the tree until the number of nodes with \fIn\d\s-32\s0\u > 0\fP is less than or equal to the maximum number of colors allowed in the output image. On any given iteration over the tree, it selects those nodes whose \fIE\fP value is minimal for pruning and merges their color statistics upward. It uses a pruning threshold, \fIE\d\s-3p\s0\u\fP, to govern node selection as follows: .PP E\d\s-3p\s0\u = 0 while number of nodes with (n\d\s-32\s0\u > 0) > required maximum number of colors prune all nodes such that E <= E\d\s-3p\s0\u Set E\d\s-3p\s0\u to minimum E in remaining nodes .PP This has the effect of minimizing any quantization error when merging two nodes together. .PP When a node to be pruned has offspring, the pruning procedure invokes itself recursively in order to prune the tree from the leaves upward. The values of \fIn\d\s-32\s0\u S\d\s-3r\s0\u, S\d\s-3g\s0\u,\fP and \fIS\d\s-3b\s0\u\fP in a node being pruned are always added to the corresponding data in that node's parent. This retains the pruned node's color characteristics for later averaging. .PP For each node, \fIn\d\s-32\s0\u\fP pixels exist for which that node represents the smallest volume in RGB space containing those pixel's colors. When \fIn\d\s-32\s0\u > 0\fP the node will uniquely define a color in the output image. At the beginning of reduction, \fIn\d\s-32\s0\u = 0\fP for all nodes except the leaves of the tree which represent colors present in the input image. .PP The other pixel count, \fIn\d\s-31\s0\u\fP, indicates the total number of colors within the cubic volume which the node represents. This includes \fIn\d\s-31\s0\u - n\d\s-32\s0\u\fP pixels whose colors should be defined by nodes at a lower level in the tree. .PP \fBAssignment\fP generates the output image from the pruned tree. The output image consists of two parts: (1) A color map, which is an array of color descriptions (RGB triples) for each color present in the output image; (2) A pixel array, which represents each pixel as an index into the color map array. .PP First, the assignment phase makes one pass over the pruned color description tree to establish the image's color map. For each node with \fIn\d\s-32\s0\u > 0\fP, it divides \fIS\d\s-3r\s0\u, S\d\s-3g\s0\u\fP, and \fPS\d\s-3b\s0\u\fP by \fIn\d\s-32\s0\u\fP. This produces the mean color of all pixels that classify no lower than this node. Each of these colors becomes an entry in the color map. .PP Finally, the assignment phase reclassifies each pixel in the pruned tree to identify the deepest node containing the pixel's color. The pixel's value in the pixel array becomes the index of this node's mean color in the color map. .PP Empirical evidence suggests that distances in color spaces such as YUV, or YIQ correspond to perceptual color differences more closely than do distances in RGB space. These color spaces may give better results when color reducing an image. Here the algorithm is as described except each pixel is a point in the alternate color space. For convenience, the color components are normalized to the range 0 to a maximum value, \fIc\d\s-3max\s0\u\fP. The color reduction can then proceed as described. .SH "MEASURING COLOR REDUCTION ERROR" .PP Depending on the image, the color reduction error may be obvious or invisible. Images with high spatial frequencies (such as hair or grass) will show error much less than pictures with large smoothly shaded areas (such as faces). This is because the high-frequency contour edges introduced by the color reduction process are masked by the high frequencies in the image. .PP To measure the difference between the original and color reduced images (the total color reduction error), \fBImageMagick\fP sums over all pixels in an image the distance squared in RGB space between each original pixel value and its color reduced value. \fBImageMagick\fP prints several error measurements including the mean error per pixel, the normalized mean error, and the normalized maximum error. .PP The normalized error measurement can be used to compare images. In general, the closer the mean error is to zero the more the quantized image resembles the source image. Ideally, the error should be perceptually-based, since the human eye is the final judge of quantization quality. .PP These errors are measured and printed when \fB-verbose\fP and \fB-colors\fI are specified on the command line: .TP 5 .B mean error per pixel: is the mean error for any single pixel in the image. .TP 5 .B normalized mean square error: is the normalized mean square quantization error for any single pixel in the image. This distance measure is normalized to a range between 0 and 1. It is independent of the range of red, green, and blue values in the image. .TP 5 .B normalized maximum square error: is the largest normalized square quantization error for any single pixel in the image. This distance measure is normalized to a range between 0 and 1. It is independent of the range of red, green, and blue values in the image. .SH SEE ALSO .B display(1), animate(1), mogrify(1), import(1), miff(5) .SH COPYRIGHT Copyright 1995 E. I. du Pont de Nemours and Company .PP Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. du Pont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. du Pont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty. .PP E. I. du Pont de Nemours and Company disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness, in no event shall E. I. du Pont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortuous action, arising out of or in connection with the use or performance of this software. .SH ACKNOWLEDGEMENTS Paul Raveling, USC Information Sciences Institute, for the original idea of using space subdivision for the color reduction algorithm. With Paul's permission, this document is an adaptation from a document he wrote. .SH AUTHORS John Cristy, E.I. du Pont de Nemours and Company Incorporated omain. In the following discussion, these cubes are defined by the coordinate of two opposite vertices: The vertex nearest the origin in RGB space and the vertex farthest from the origin. .PP The tree's root node represents the the entire domain, (0,0,0) through (\fIc\d\s-3max\s0\u,c\d\s-3max\s0\u./ImageMagick/X.h012077700000240000024000000000000577365240700166352./magick/X.hustar00cristycristy00002330000007./ImageMagick/identify.man010064400000240000024000000060060601775554100166130ustar00cristycristy00002330000007.ad l .nh .TH identify 1 "1 May 1994" "ImageMagick" .SH NAME identify - describe the format and characteristics of one or more image files. .SH SYNOPSIS .B "identify" [ \fIoptions\fP ... ] \fIfile\fP [ \fIfile\fP ... ] .SH DESCRIPTION \fBidentify\fP describes the format and characteristics of one or more image files. It will also report if an image is incomplete or corrupt. The information displayed includes the scene number, the file name, the width and height of the image, whether the image is colormapped or not, the number of colors in the image, the number of bytes in the image, the format of the image (JPEG, PNM, etc.), and finally the number of seconds it took to read and process the image. An example line output from \fBidentify\fP follows: images/aquarium.miff 640x480 PseudoClass 256c 308135b MIFF 1s If \fB-verbose\fP is set, expect additional output including any image comment: Image: images/aquarium.miff class: PseudoClass colors: 256 signature: eb5dca81dd93ae7e6ffae99a5275a53e matte: False geometry: 640x480 depth: 8 bytes: 308135 format: MIFF comments: Imported from MTV raster image: aquarium.mtv .SH OPTIONS .TP 5 .B -verbose print detailed information about the image. This information is printed: image name; the image class (\fIDirectClass\fP or \fIPseudoClass\fP); the total number of unique colors; whether there is a matte associated with the image; the number of runlength packets; the image size; the depth of the image; the image format; the image scene; and finally any image comment. Refer to \fBmiff(1)\fP for a description of the image class. .SH SEE ALSO .B display(1), animate(1), montage(1), mogrify(1), convert(1), segment(1), combine(1), xtp(1) .SH COPYRIGHT Copyright 1995 E. I. du Pont de Nemours and Company .PP Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of E. I. du Pont de Nemours and Company not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. E. I. du Pont de Nemours and Company makes no representations about the suitability of this software for any purpose. It is provided "as is" without express or implied warranty. .PP E. I. du Pont de Nemours and Company disclaims all warranties with regard to this software, including all implied warranties of merchantability and fitness, in no event shall E. I. du Pont de Nemours and Company be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortuous action, arising out of or in connection with the use or performance of this software. .SH AUTHORS John Cristy, E.I. du Pont De Nemours and Company Incorporated ./ImageMagick/identify.c010064400000240000024000000155560602164601600162630ustar00cristycristy00002330000007/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % IIIII DDDD EEEEE N N TTTTT IIIII FFFFF Y Y % % I D D E NN N T I F Y Y % % I D D EEE N N N T I FFF Y % % I D D E N NN T I F Y % % IIIII DDDD EEEEE N N T IIIII F Y % % % % % % Identify an Image Format and Characteristics. % % % % % % % % Software Design % % John Cristy % % September 1994 % % % % % % Copyright 1995 E. I. du Pont de Nemours and Company % % % % Permission to use, copy, modify, distribute, and sell this software and % % its documentation for any purpose is hereby granted without fee, % % provided that the above Copyright notice appear in all copies and that % % both that Copyright notice and this permission notice appear in % % supporting documentation, and that the name of E. I. du Pont de Nemours % % and Company not be used in advertising or publicity pertaining to % % distribution of the software without specific, written prior % % permission. E. I. du Pont de Nemours and Company makes no representations % % about the suitability of this software for any purpose. It is provided % % "as is" without express or implied warranty. % % % % E. I. du Pont de Nemours and Company disclaims all warranties with regard % % to this software, including all implied warranties of merchantability % % and fitness, in no event shall E. I. du Pont de Nemours and Company be % % liable for any special, indirect or consequential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, negligence or other tortuous action, arising % % out of or in connection with the use or performance of this software. % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Identify describes the format and characteristics of one or more image % files. It will also report if an image is incomplete or corrupt. % % */ /* Include declarations. */ #include "magick.h" #include "image.h" #include "utility.h" #include "X.h" /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % U s a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % Procedure Usage displays the program usage; % % The format of the Usage routine is: % % Usage() % % */ static void Usage() { char **p; static char *options[]= { "-verbose print detailed information about the image", (char *) NULL }; (void) printf("Version: %s\n\n",Version); (void) printf("Usage: %s [ options ... ] file [ file ... ]\n",client_name); (void) printf("\nWhere options include:\n"); for (p=options; *p != (char *) NULL; p++) (void) printf(" %s\n",*p); (void) printf( "\nChange '-' to '+' in any option above to reverse its effect. For\n"); (void) printf( "example, specify +verbose to display a one description of each image.\n"); exit(1); } /* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % M a i n % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % */ int main(argc,argv) int argc; char **argv; { Image *image, *next_image; ImageInfo image_info; register int i; unsigned int count, verbose; /* Initialize program variables. */ client_name=ClientName(*argv); if (argc < 2) Usage(); count=0; verbose=False; /* Identify an image. */ GetImageInfo(&image_info); image_info.size=DefaultTileGeometry; ExpandFilenames(&argc,&argv); for (i=1; i < argc; i++) { if (strncmp("-h",argv[i],2) == 0) Usage(); if (strncmp("-?",argv[i],2) == 0) Usage(); if (strncmp("-v",argv[i],2) == 0) { verbose=True; continue; } (void) strcpy(image_info.filename,argv[i]); image=ReadImage(&image_info); if (image == (Image *) NULL) continue; image->columns=image->magick_columns; image->rows=image->magick_rows; do { next_image=image->next; if (image->scene == 0) image->scene=count++; DescribeImage(image,stderr,verbose); DestroyImage(image); if (next_image != (Image *) NULL) image=next_image; } while (next_image != (Image *) NULL); } exit(0); return(False); } equential damages or any % % damages whatsoever resulting from loss of use, data or profits, whether % % in an action of contract, ./ImageMagick/display.h010064400000240000024000001125210602760035400161110ustar00cristycristy00002330000007/* Define declarations. */ #define MinPanSize 96 #define MaxStacksize (1 << 15) #define Push(up,left,right,delta) \ if ((p < (segment_stack+MaxStacksize)) && (((up)+(delta)) >= 0) && \ (((up)+(delta)) < image->rows)) \ { \ p->y1=(up); \ p->x1=(left); \ p->x2=(right); \ p->y2=(delta); \ p++; \ } #define RoiDelta 8 #define LoadImageText " Loading image... " /* State declarations. */ #define DefaultState 0x0000 #define EscapeState 0x0001 #define ExitState 0x0002 #define FormerImageState 0x0004 #define ModifierState 0x0008 #define MontageImageState 0x0010 #define NextImageState 0x0020 #define RetainColorsState 0x0040 #define UpdateConfigurationState 0x0080 #define UpdateRegionState 0x0100 /* Page size declarations. */ static char *PageSizes[]= { "Letter", "Tabloid", "Ledger", "Legal", "Statement", "Executive", "A3", "A4", "A5", "B4", "B5", "Folio", "Quarto", "10x14", (char *) NULL }; /* Help widget declarations. */ static char *ImageAnnotateHelp[]= { "In annotate mode, the Command widget has these options:", "", " Font Name", " fixed", " variable", " 5x8", " 6x10", " 7x13bold", " 8x13bold", " 9x15bold", " 10x20", " 12x24", " Browser...", " Font Color", " black", " blue", " cyan", " green", " gray", " red", " magenta", " yellow", " white", " Browser...", " Rotate Text", " 45", " 90", " 135", " 180", " 225", " 270", " 315", " Dialog...", " Help", " Dismiss", "", "Choose a font name from the Font Name sub-menu. Additional", "font names can be specified with the font browser. You can", "change the menu names by setting the X resources font1", "through font9.", "", "Choose a font color from the Font Color sub-menu.", "Additional font colors can be specified with the color", "browser. You can change the menu colors by setting the X", "resources pen1 through pen9.", "", "If you select the color browser and press Grab, you can", "choose the font color by moving the pointer to the desired", "color on the screen and press any button.", "", "If you choose to rotate the text, choose Rotate Text from the", "menu and select an angle. Typically you will only want to", "rotate one line of text at a time. Depending on the angle you", "choose, subsequent lines may end up overwriting each other.", "", "Choosing a font and its color is optional. The default font", "is fixed and the default color is black. However, you must", "choose a location to begin entering text and press a button.", "An underscore character will appear at the location of the", "pointer. The cursor changes to a pencil to indicate you are", "in text mode. To exit immediately, press Dismiss.", "", "In text mode, any key presses will display the character at", "the location of the underscore and advance the underscore", "cursor. Enter your text and once completed press Dismiss to", "finish your image annotation. To correct errors press BACK", "SPACE. To delete an entire line of text, press DELETE. Any", "text that exceeds the boundaries of the image window is", "automatically continued onto the next line.", "", "The actual color you request for the font is saved in the", "image. However, the color that appears in your image window", "may be different. For example, on a monochrome screen the", "text will appear black or white even if you choose the color", "red as the font color. However, the image saved to a file", "with -write is written with red lettering. To assure the", "correct color text in the final image, any PseudoClass image", "is promoted to DirectClass (see miff(5)). To force a", "PseudoClass image to remain PseudoClass, use -colors.", (char *) NULL, }, *ImageChopHelp[]= { "In chop mode, the Command widget has these options:", "", " Direction", " horizontal", " vertical", " Help", " Dismiss", "", "If the you choose the horizontal direction (this is the", "default), the area of the image between the two horizontal", "endpoints of the chop line is removed. Otherwise, the area", "of the image between the two vertical endpoints of the chop", "line is removed.", "", "Select a location within the image window to begin your chop,", "press and hold any button. Next, move the pointer to", "another location in the image. As you move a line will", "connect the initial location and the pointer. When you", "release the button, the area within the image to chop is", "determined by which direction you choose from the Command", "widget.", "", "To cancel the image chopping, move the pointer back to the", "starting point of the line and release the button.", (char *) NULL, }, *ImageColorEditHelp[]= { "In color edit mode, the Command widget has these options:", "", " Pixel Color", " black", " blue", " cyan", " green", " gray", " red", " magenta", " yellow", " white", " Browser...", " Method", " point", " replace", " floodfill", " Undo", " Help", " Dismiss", "", "Choose a pixel color from the Pixel Color sub-menu.", "Additional pixel colors can be specified with the color", "browser. You can change the menu colors by setting the X", "resources pen1 through pen9.", "", "Next, choose a color editing method from the Method sub-menu", "of the Command widget. The point method recolors any pixel", "selected with the pointer until the button is released. The", "replace method recolors any pixel that matches the color of", "the pixel you select with a button press. Floodfill recolors", "any pixel that matches the color of the pixel you select with", "a button press and is a neighbor.", "", "Now press a button to select a pixel within the image window", "to change its color. Additional pixels may be recolored as", "prescribed by the method you choose. If the Magnify widget", "is mapped, it can be helpful in positioning your pointer", "within the image (refer to button 2).", "", "The actual color you request for the pixels is saved in the", "image. However, the color that appears in your image window", "may be different. For example, on a monochrome screen the", "pixel will appear black or white even if you choose the", "color red as the pixel color. However, the image saved to a", "file with -write is written with red pixels. To assure the", "correct color text in the final image, any PseudoClass image", "is promoted to DirectClass (see miff(5)). To force a", "PseudoClass image to remain PseudoClass, use -colors.", (char *) NULL, }, *ImageCompositeHelp[]= { "First a widget window is displayed requesting you to enter an", "image name. Press Composite, Grab or type a file name.", "Press Cancel if you choose not to create a composite image.", "When you choose Grab, move the pointer to the desired window", "and press any button.", "", "A small window appears showing the location of the cursor in", "the image window. You are now in composite mode. To exit", "immediately, press Dismiss. In composite mode, the Command", "widget has these options:", "", " Operators", " over", " in", " out", " atop", " xor", " plus", " minus", " add", " subtract", " difference", " replace", " Blend", " Help", " Dismiss", "", "Choose a composite operation from the Operators sub-menu of", "the Command widget. How each operator behaves is described", "below. Image window is the image currently displayed on", "your X server and image is the image obtained with the File", "Browser widget.", "", "over The result is the union of the two image shapes,", " with image obscuring image window in the region of", " overlap.", "", "in The result is simply image cut by the shape of", " image window. None of the image data of image", " window is in the result.", "", "out The resulting image is image with the shape of", " image window cut out.", "", "atop The result is the same shape as image image window,", " with image obscuring image window where the image", " shapes overlap. Note this differs from over", " because the portion of image outside image window's", " shape does not appear in the result.", "", "xor The result is the image data from both image and", " image window that is outside the overlap region.", " The overlap region is blank.", "", "plus The result is just the sum of the image data.", " Output values are cropped to 255 (no overflow).", " This operation is independent of the matte", " channels.", "", "minus The result of image - image window, with underflow", " cropped to zero. The matte channel is ignored (set", " to 255, full coverage).", "", "add The result of image + image window, with overflow", " wrapping around (mod 256).", "", "subtract The result of image - image window, with underflow", " wrapping around (mod 256). The add and subtract", " operators can be used to perform reversible", " transformations.", "", "difference", " The result of abs(image - image window). This is", " useful for comparing two very similar images.", "", "replace The resulting image is image window replaced with", " image. Here the matte information is ignored.", "", "The image compositor requires a matte, or alpha channel in", "the image for some operations. This extra channel usually", "defines a mask which represents a sort of a cookie-cutter", "for the image. This is the case when matte is 255 (full", "coverage) for pixels inside the shape, zero outside, and", "between zero and 255 on the boundary. If image does not", "have a matte channel, it is initialized with 0 for any pixel", "matching in color to pixel location (0,0), otherwise 255.", "", "If you choose Blend, the composite operator becomes Over. The", "image matte channel percent transparency is initialized to factor.", "The image window is initialized to (100-factor). Where factor is the", "value you specify in the Dialog widget.", "", "Note that matte information for image window is not retained", "for colormapped X server visuals (e.g. StaticColor,", "StaticColor, GrayScale, PseudoColor). Correct compositing", "behavior may require a TrueColor or DirectColor visual or a", "Standard Colormap.", "", "Choosing a composite operator is optional. The default", "operator is replace. However, you must choose a location to", "composite your image and press a button. Press and hold the", "button before releasing and an outline of the image will", "appear to help you identify your location.", "", "The actual colors of the composite image is saved. However,", "the color that appears in image window may be different.", "For example, on a monochrome screen image window will appear", "black or white even though your composited image may have", "many colors. If the image is saved to a file it is written", "with the correct colors. To assure the correct colors are", "saved in the final image, any PseudoClass image is promoted", "to DirectClass (see miff(5)). To force a PseudoClass image", "to remain PseudoClass, use -colors.", (char *) NULL, }, *ImageCutHelp[]= { "In cut mode, the Command widget has these options:", "", " Help", " Dismiss", "", "To define a cut region, press button 1 and drag. The", "cut region is defined by a highlighted rectangle that", "expands or contracts as it follows the pointer. Once you", "are satisfied with the cut region, release the button.", "You are now in rectify mode. In rectify mode, the Command", "widget has these options:", "", " Cut", " Help", " Dismiss", "", "You can make adjustments by moving the pointer to one of the", "cut rectangle corners, pressing a button, and dragging.", "Finally, press Cut to commit your copy region. To", "exit without cutting the image, press Dismiss.", (char *) NULL, }, *ImageCopyHelp[]= { "In copy mode, the Command widget has these options:", "", " Help", " Dismiss", "", "To define a copy region, press button 1 and drag. The", "copy region is defined by a highlighted rectangle that", "expands or contracts as it follows the pointer. Once you", "are satisfied with the copy region, release the button.", "You are now in rectify mode. In rectify mode, the Command", "widget has these options:", "", " Copy", " Help", " Dismiss", "", "You can make adjustments by moving the pointer to one of the", "copy rectangle corners, pressing a button, and dragging.", "Finally, press Copy to commit your copy region. To", "exit without copying the image, press Dismiss.", (char *) NULL, }, *ImageCropHelp[]= { "In crop mode, the Command widget has these options:", "", " Help", " Dismiss", "", "To define a cropping region, press button 1 and drag. The", "cropping region is defined by a highlighted rectangle that", "expands or contracts as it follows the pointer. Once you", "are satisfied with the cropping region, release the button.", "You are now in rectify mode. In rectify mode, the Command", "widget has these options:", "", " Crop", " Help", " Dismiss", "", "You can make adjustments by moving the pointer to one of the", "cropping rectangle corners, pressing a button, and dragging.", "Finally, press Crop to commit your cropping region. To", "exit without cropping the image, press Dismiss.", (char *) NULL, }, *ImageDrawHelp[]= { "The cursor changes to a crosshair to indicate you are in", "draw mode. To exit immediately, press Dismiss. In draw mode,", "the Command widget has these options:", "", " Primitive", " line", " rectangle", " fill rectangle", " Color", " black", " blue", " cyan", " green", " gray", " red", " magenta", " yellow", " white", " Browser...", " Width", " 1", " 2", " 4", " 6", " 8", " Dialog...", " Undo", " Help", " Dismiss", "", "Choose a drawing primitive from the Primitive sub-menu.", "", "Choose a color from the Color sub-menu. Additional", "colors can be specified with the color browser.", "", "If you choose the color browser and press Grab, you can", "select the color by moving the pointer to the desired", "color on the screen and press any button.", "", "Choose a width from the Width sub-menu. To choose a", "specific width select the Dialog widget.", "", "Choose a point in the Image window and press a button and", "hold. Next, move the pointer to another location in the", "image. As you move, a line connects the initial location and", "the pointer. When you release the button, the image is", "updated with the primitive you just drew.", "", "To cancel image drawing, move the pointer back to the", "starting point of the line and release the button.", (char *) NULL, }, *ImageMagickHelp[]= { "BUTTONS", " The effects of each button press is described below. Three", " buttons are required. If you have a two button mouse,", " button 1 and 3 are returned. Press ALT and button 3 to", " simulate button 2.", "", " 1 Press this button to map or unmap the Command widget.", "", " 2 Press and drag to define a region of the image to", " magnify.", "", " 3 Choose a particular tile of the Visual Image Directory", " and press this button and drag to select a command from", " a pop-up menu. Choose from these menu items:", "", " Load", " Delete", "", " If you choose Delete, the image represented by the tile", " is deleted. Otherwise, it is displayed. To return to", " the visual image directory, choose Next from the", " Command widget.", "", "", "COMMAND WIDGET", " The Command widget lists a number of sub-menus and commands.", " They are", "", " File", " Load...", " Next", " Former", " Select...", " Save...", " Print...", " Delete...", " Canvas...", " Visual Directory...", " Quit", " Edit", " Cut", " Copy", " Paste", " Undo", " View", " Half Size", " Original Size", " Double Size", " Resize...", " Apply", " Refresh", " Restore", " Transform", " Crop", " Chop", " Flop", " Flip", " Rotate Right", " Rotate Left", " Rotate...", " Shear...", " Trim Edges", " Enhance", " Brightness...", " Saturation...", " Hue...", " Gamma...", " Sharpen...", " Dull", " Equalize", " Normalize", " Negate", " Grayscale", " Quantize...", " Effects", " Despeckle", " Peak Noise", " Sharpen", " Blur", " Edge Detect", " Emboss", " Oil Painting", " Segment", " Image Edit", " Annotate", " Draw", " Color", " Matte", " Composite...", " Add Border...", " Add Frame...", " Comment", " Region of Interest", " Miscellany", " Image Info", " Show Histogram", " Background...", " Slide Show", " Preferences...", " Help", " Overview", " Background...", " Version", "", " Menu items with a indented triangle have a sub-menu. They", " are represented above as the indented items. To access a", " sub-menu item, move the pointer to the appropriate menu and", " press a button and drag. When you find the desired sub-menu", " item, release the button and the command is executed. Move", " the pointer away from the sub-menu if you decide not to", " execute a particular command.", "", "KEYBOARD ACCELERATORS", " Accelerators are one or two key presses that effect a", " particular command. The keyboard accelerators that", " display(1) understands is:", "", " l Press to load an image from a file.", "", " n Press to display the next image.", "", " If the image is a multi-paged document such as a Postscript", " document, you can skip ahead several pages by preceeding", " this command with a number. For example to display the", " fourth page beyond the current page, press 4n.", "", " f Press to display the former image.", "", " If the image is a multi-paged document such as a Postscript", " document, you can skip behind several pages by preceeding", " this command with a number. For example to display the", " fourth page preceeding the current page, press 4n.", "", " F2 Press to select an image from the command line.", "", " s Press to write the image to a file.", "", " p Press to print the image to a Postscript printer.", "", " ^ Press to delete an image file.", "", " C Press to create a blank canvas.", "", " q Press to discard all images and exit program.", "", " V Press to create a Visual Image Directory.", "", " F3 Press to cut a region of the image.", "", " F4 Press to copy a region of the image.", "", " F5 Press to paste a region to the image.", "", " u Press to undo last image transformation.", "", " < Press to half the image size.", "", " o Press to return to the original image size.", "", " > Press to double the image size.", "", " % Press to resize the image to a width and height you", " specify.", "", " A Press to make any image transformations permanent..", "", " @ Press to refresh the image window.", "", " r Press to restore the image to its original size.", "", " [ Press to crop the image.", "", " ] Press to chop the image.", "", " | Press to flop image in the horizontal direction.", "", " - Press to flip image in the vertical direction.", "", " / Press to rotate the image 90 degrees clockwise.", "", " \\ Press to rotate the image 90 degrees counter-clockwise.", "", " * Press to rotate the image the number of degrees you", " specify.", "", " F6 Press to shear the image the number of degrees you", " specify.", "", " t Press to trim the image edges.", "", " F7 Press to vary the color brightness.", "", " F8 Press to vary the color saturation.", "", " F9 Press to vary the image hue.", "", " g Press to gamma correct the image.", "", " F10 Press to sharpen the image contrast.", "", " F11 Press to dull the image contrast.", "", " = Press to perform histogram equalization on the image.", "", " N Press to perform histogram normalization on the image.", "", " ~ Press to negate the colors of the image.", "", " G Press to convert the image colors to gray.", "", " # Press to set the maximum number of unique colors in the", " image.", "", " D Press to reduce the speckles in an image.", "", " P Press to eliminate peak noise from an image.", "", " S Press to sharpen an image.", "", " B Press to delete an image file.", "", " E Press to detect edges within an image.", "", " M Press to emboss an image.", "", " O Press to oil paint an image.", "", " Z Press to segment the image by color.", "", " a Press to annotate the image with text.", "", " d Press to draw on an image.", "", " c Press to edit an image pixel color.", "", " m Press to edit the image matte information.", "", " x Press to composite the image with another.", "", " b Press to add a border to the image.", "", " F Press to add an ornamental border to the image.", "", " ! Press to add an image comment.", "", " R Press to apply image processing techniques to a region", " of interest.", "", " i Press to display information about the image.", "", " H Press to show a histogram of the image.", "", " } display image to background of a window", "", " , Press to display the next image after pausing.", "", " F12 set user preferences", "", " h Press to display helpful information about display(1).", "", " Function keys HELP or F1 are synonymous with the h key.", "", " Find Press to browse documentation about ImageMagick.", "", " v Press to display the version number of display(1).", "", " 1-9 Press to change the level of magnification.", "", " Use the arrow keys to move the image one pixel up, down,", " left, or right within the magnify window. Be sure to first", " map the magnify window by pressing button 2.", "", " Press ALT and one of the arrow keys to trim off one pixel", " from any side of the image.", (char *) NULL, }, *ImageMatteEditHelp[]= { "Matte information within an image is useful for some", "operations such as image compositing (See IMAGE", "COMPOSITING). This extra channel usually defines a mask", "which represents a sort of a cookie-cutter for the image.", "This is the case when matte is 255 (full coverage) for", "pixels inside the shape, zero outside, and between zero and", "255 on the boundary.", "", "A small window appears showing the location of the cursor in", "the image window. You are now in matte edit mode. To exit", "immediately, press Dismiss. In matte edit mode, the Command", "widget has these options:", "", " Method", " point", " replace", " floodfill", " Matte", " Undo", " Help", " Dismiss", "", "Choose a matte editing method from the Method sub-menu of", "the Command widget. The point method changes the matte value", "of any pixel selected with the pointer until the button is", "is released. The replace method changes the matte value of", "any pixel that matches the color of the pixel you select with", "a button press. Floodfill changes the matte value of any pixel", "that matches the color of the pixel you select with a button", "press and is a neighbor.", "", "Choose Matte Value and a dialog appears requesting a matte", "value. Enter a value between 0 and 255. This value is", "assigned as the matte value of the selected pixel or pixels.", "", "Now, press any button to select a pixel within the image", "window to change its matte value. If the Magnify widget is", "mapped, it can be helpful in positioning your pointer within", "the image (refer to button 2).", "", "Matte information is only valid in a DirectClass image.", "Therefore, any PseudoClass image is promoted to DirectClass", "(see miff(5)). Note that matte information for PseudoClass", "is not retained for colormapped X server visuals (e.g.", "StaticColor, StaticColor, GrayScale, PseudoColor) unless you", "immediately save your image to a file (refer to Write).", "Correct matte editing behavior may require a TrueColor or", "DirectColor visual or a Standard Colormap.", (char *) NULL, }, *ImagePanHelp[]= { "When an image exceeds the width or height of the X server", "screen, display maps a small panning icon. The rectangle", "within the panning icon shows the area that is currently", "displayed in the the image window. To pan about the image,", "press any button and drag the pointer within the panning", "icon. The pan rectangle moves with the pointer and the", "image window is updated to reflect the location of the", "rectangle within the panning icon. When you have selected", "the area of the image you wish to view, release the button.", "", "Use the arrow keys to pan the image one pixel up, down,", "left, or right within the image window.", "", "The panning icon is withdrawn if the image becomes smaller", "than the dimensions of the X server screen.", (char *) NULL, }, *ImagePasteHelp[]= { "A small window appears showing the location of the cursor in", "the image window. You are now in paste mode. To exit", "immediately, press Dismiss. In paste mode, the Command", "widget has these options:", "", " Operators", " over", " in", " out", " atop", " xor", " plus", " minus", " add", " subtract", " difference", " replace", " Help", " Dismiss", "", "Choose a composite operation from the Operators sub-menu of", "the Command widget. How each operator behaves is described", "below. Image window is the image currently displayed on", "your X server and image is the image obtained with the File", "Browser widget.", "", "over The result is the union of the two image shapes,", " with image obscuring image window in the region of", " overlap.", "", "in The result is simply image cut by the shape of", " image window. None of the image data of image", " window is in the result.", "", "out The resulting image is image with the shape of", " image window cut out.", "", "atop The result is the same shape as image image window,", " with image obscuring image window where the image", " shapes overlap. Note this differs from over", " because the portion of image outside image window's", " shape does not appear in the result.", "", "xor The result is the image data from both image and", " image window that is outside the overlap region.", " The overlap region is blank.", "", "plus The result is just the sum of the image data.", " Output values are cropped to 255 (no overflow).", " This operation is independent of the matte", " channels.", "", "minus The result of image - image window, with underflow", " cropped to zero. The matte channel is ignored (set", " to 255, full coverage).", "", "add The result of image + image window, with overflow", " wrapping around (mod 256).", "", "subtract The result of image - image window, with underflow", " wrapping around (mod 256). The add and subtract", " operators can be used to perform reversible", " transformations.", "", "difference", " The result of abs(image - image window). This is", " useful for comparing two very similar images.", "", "replace The resulting image is image window replaced with", " image. Here the matte information is ignored.", "", "The image compositor requires a matte, or alpha channel in", "the image for some operations. This extra channel usually", "defines a mask which represents a sort of a cookie-cutter", "for the image. This is the case when matte is 255 (full", "coverage) for pixels inside the shape, zero outside, and", "between zero and 255 on the boundary. If image does not", "have a matte channel, it is initialized with 0 for any pixel", "matching in color to pixel location (0,0), otherwise 255.", "", "Note that matte information for image window is not retained", "for colormapped X server visuals (e.g. StaticColor,", "StaticColor, GrayScale, PseudoColor). Correct compositing", "behavior may require a TrueColor or DirectColor visual or a", "Standard Colormap.", "", "Choosing a composite operator is optional. The default", "operator is replace. However, you must choose a location to", "paste your image and press a button. Press and hold the", "button before releasing and an outline of the image will", "appear to help you identify your location.", "", "The actual colors of the pasted image is saved. However,", "the color that appears in image window may be different.", "For example, on a monochrome screen image window will appear", "black or white even though your pasted image may have", "many colors. If the image is saved to a file it is written", "with the correct colors. To assure the correct colors are", "saved in the final image, any PseudoClass image is promoted", "to DirectClass (see miff(5)). To force a PseudoClass image", "to remain PseudoClass, use -colors.", (char *) NULL, }, *ImageROIHelp[]= { "In region of interest mode, the Command widget has these", "options:", "", " Help", " Dismiss", "", "To define a region of interest, press button 1 and drag.", "The region of interest is defined by a highlighted rectangle", "that expands or contracts as it follows the pointer. Once", "you are satisfied with the region of interest, release the", "button. You are now in apply mode. In apply mode the", "Command widget has these options:", "", " File", " Image Info", " Edit", " Undo", " Pixel Transform", " Flop", " Flip", " Rotate Right", " Rotate Left", " Color Transform", " Brightness...", " Saturation...", " Hue...", " Gamma...", " Sharpen...", " Dull", " Equalize", " Normalize", " Negate", " Grayscale", " Quantize...", " Effects", " Despeckle", " Peak Noise", " Sharpen", " Blur", " Edge Detect", " Emboss", " Oil Painting", " Segment", " Help", " Dismiss", "", "You can make adjustments to the region of interest by moving", "the pointer to one of the rectangle corners, pressing a", "button, and dragging. Finally, choose an image processing", "technique from the Command widget. You can choose more than", "one image processing technique to apply to an area.", "Alternatively, you can move the region of interest before", "applying another image processing technique. To exit, press", "Dismiss.", (char *) NULL, }, *ImageRotateHelp[]= { "In rotate mode, the Command widget has these options:", "", " Pixel Color", " black", " blue", " cyan", " green", " gray", " red", " magenta", " yellow", " white", " Browser...", " Direction", " horizontal", " vertical", " Help", " Dismiss", "", "Choose a background color from the Pixel Color sub-menu.", "Additional background colors can be specified with the color", "browser. You can change the menu colors by setting the X", "resources pen1 through pen9.", "", "If you choose the color browser and press Grab, you can", "select the background color by moving the pointer to the", "desired color on the screen and press any button.", "", "Choose a point in the image window and press this button and", "hold. Next, move the pointer to another location in the", "image. As you move a line connects the initial location and", "the pointer. When you release the button, the degree of", "image rotation is determined by the slope of the line you", "just drew. The slope is relative to the direction you", "choose from the Direction sub-menu of the Command widget.", "", "To cancel the image rotation, move the pointer back to the", "starting point of the line and release the button.", (char *) NULL, }; static Display *display; static Image *copy_image = (Image *) NULL; static XWindows *windows; /* Forward declarations. */ static Image *XLoadImage _Declare((Display *,XResourceInfo *,XWindows *,unsigned int)), *XMagickCommand _Declare((Display *,XResourceInfo *,XWindows *,unsigned int, KeySym,Image **)), *XTileImage _Declare((Display *,XResourceInfo *,XWindows *,Image *,XEvent *)), *XVisualDirectoryImage _Declare((Display *,XResourceInfo *,XWindows *)); static int XScreenEvent _Declare((Display *,XEvent *,char *)); static unsigned int XDisplayBackgroundImage _Declare((Display *,XResourceInfo *,Image *)), XConfigureImage _Declare((Display *,XResourceInfo *,XWindows *,Image *)), XMatteEditImage _Declare((Display *,XResourceInfo *,XWindows *,Image **)), XPasteImage _Declare((Display *,XResourceInfo *,XWindows *,Image *)), XPrintImage _Declare((Display *,XResourceInfo *,XWindows *,Image **)), XRotateImage _Declare((Display *,XResourceInfo *,XWindows *,double,Image **)), XROIImage _Declare((Display *,XResourceInfo *,XWindows *,Image **)), XSaveImage _Declare((Display *,XResourceInfo *,XWindows *,Image **)), XTrimImage _Declare((Display *,XResourceInfo *,XWindows *,Image *)); static void XConfigureImageColormap _Declare((Display *,XResourceInfo *,XWindows *, Image *)), XDrawPanRectangle _Declare((Display *,XWindows *)), XMagnifyImage _Declare((Display *,XWindows *,XEvent *)), XMakePanImage _Declare((Display *,XResourceInfo *,XWindows *,Image *)), XPanImage _Declare((Display *,XWindows *,XEvent *)), XMagnifyWindowCommand _Declare((Display *,XWindows *,KeySym)), XSetCropGeometry _Declare((Display *,XWindows *,RectangleInfo *,Image *)), XTranslateImage _Declare((Display *,XWindows *,Image *,KeySym)), XWarning _Declare((char *,char *)); , "displayed in the the image window. To pan about the image,", "press any button and drag the pointer within the panning", "icon. The pan rectangle moves with t./ImageMagick/animate.h010064400000240000024000000052410602164601600160610ustar00cristycristy00002330000007/* State declarations. */ #define AutoReverseAnimationState 0x0001 #define DefaultState 0x0000 #define ExitState 0x0002 #define ForwardAnimationState 0x0004 #define HighlightState 0x0008 #define PlayAnimationState 0x0010 #define RepeatAnimationState 0x0020 #define StepAnimationState 0x0040 /* Static declarations. */ static char *ImageMagickHelp[]= { "BUTTONS", "", " Press any button to map or unmap the Command widget.", "", "COMMAND WIDGET", " The Command widget lists a number of sub-menus and commands.", " They are", "", " Animate", " Play", " Step", " Repeat", " Auto Reverse", " Speed", " Slower", " Faster", " Direction", " Forward", " Reverse", " Image Info", " Help", " Quit", "", " Menu items with a indented triangle have a sub-menu. They", " are represented above as the indented items. To access a", " sub-menu item, move the pointer to the appropriate menu and", " press a button and drag. When you find the desired sub-menu", " item, release the button and the command is executed. Move", " the pointer away from the sub-menu if you decide not to", " execute a particular command.", "", "KEYBOARD ACCELERATORS", " p Press to animate the sequence of images.", "", " s Press to display the next image in the sequence.", "", " . Press to continually display the sequence of images.", "", " a Press to automatically reverse the sequence of images.", "", " < Press to slow the display of the images. Refer to", " -delay for more information.", "", " > Press to speed-up the display of the images. Refer to", " -delay for more information.", "", " f Press to animate in the forward direction.", "", " r Press to animate in the reverse direction.", "", " i Press to display information about the image. Press", " any key or button to erase the information.", "", " This information is printed: image name; image size;", " and the total number of unique colors in the image.", "", " h Press to display helpful information about animate(1).", "", " Function keys HELP or F1 are synonymous with the h key.", "", " q Press to discard all images and exit program.", (char *) NULL }; /* Forward declarations. */ static int SceneCompare _Declare((const void *,const void *)); static void XMagickCommand _Declare((Display *,XResourceInfo *,XWindows *,KeySym, Image **,unsigned int *)); ./ImageMagick/Changelog010064400000240000024000001104640602616750600161170ustar00cristycristy00002330000007ImageMagick 3.6.6 o Panning window geometry is now initialized properly (thanks to joe@resptk.bhp.com.au). o Fixed -geometry bug introduced in 3.6.6 (thanks to simon@lia.di.epfl.ch). o Added 'Show Histogram' command to display(1). o Image annotation no longer requires a X server for its fonts (suggested by muquit@warm.semcor.com). o Added HTML as a recognized image type. o Fixed a OS/2 BMP bug (patch provided by dws@ssec.wisc.edu). o Added "Browse Documentation" to display(1) (suggested by pederl@hpubgon.norway.hp.com). o Use \n to produce multi-line labels within montage(1). o Added < and > to the geometry specification. See convert(1) for details. ImageMagick 3.6.[45] o Fixed a couple of problems with 16-bit mode (thanks to beale@jumpjibe.stanford.edu). o Added -raise to lighten/darken image edges to create a 3-D effect (suggested by pederl@hpubgon.norway.hp.com). o Fixed all memory access problems identified by a memory debugger. o Access a range of frames from an MPEG files (e.g. video.mpg[50-75]) (suggested by fluegel@berlin.ZN.ruhr-uni-bochum.de). o Added an offset option on -size for skipping over header information in a raw image file (e.g. GRAY, RGB, etc.). o ImageMagick can now be compiled in 16-bit mode for the direct viewing and manipulation of 16-bit images (PNG, VIFF, TIFF, etc.) o ImageMagick can now read and write JBIG image files. o ImageMagick has less of a dependancy on the X server being present to work properly. For example, you can now annotate an image without an X server. o The PNG library interface has been upgraded from V0.6 to V0.7. ImageMagick 3.6.3 Thanks to pederl@hpubgon.norway.hp.com for helping beta test 3.6.3. And thanks to muquit@warm.semcor.com for writing the ImageMagick HTML home page. o PICT images with odd row sizes were corrupt (thanks to mooooore@rand.org). o Added -opaque to display(1), convert(1), and mogrify(1) to change the color of an opaque pixel. o Postscript level 2 is now encoded with Ascii 85-base encoding. o Color widget now returns the color name when Grab is activated (suggested by pederl@hpubgon.norway.hp.com). o ImageMagick had a file descriptor leak (thanks to jlg@cadence.com). o Added a Short Cuts menu in display(1) via button 3. o ImageMagick can now read and write PNG image files. o Changed the Command Widget to place the cascading menu to the right side of the widget (suggested by pederl@hpubgon.norway.hp.com). o Added -frame to ImageMagick utilities to surround an image with an ornamental border (suggested by pederl@hpubgon.norway.hp.com). o In display(1), the image window did not always refresh itself properly when cropping and the panning window was mapped (thanks to pederl@hpubgon.norway.hp.com). o The -transparent option no longer needs an X server to work properly (suggested by daniel@ug.eds.com). o ImageMagick can now read TILE images. That is, you specify a texture and it will tile it on the background of the image (e.g. display -size 640x480 tile:texture.jpg). o ImageMagick now supports TIFF library version 3.4. o You can skip ahead several images in display(1) by preceeding the 'n' command with a number (e.g. 4n). o ImageMagick can now read and write PDF image files. GS3.33 has a bug so only the last page of a PDF image file is written. The next public release of Ghostscript will have this bug fixed. ImageMagick 3.6.2 o 24-bit grayscale TARGA images did not display correctly (thanks to linde@iai.kfk.de). o In display(1), Select sometimes failed, Write changed to Save, Iris format is changed to SGI, etc. (thanks to quinlan@terminus.storm.net). o Option -crop 0x0 sometimes failed (thanks to zdv131@zam212.zam.kfa-juelich.de). o An interlaced GIF remains interlaced when using mogrify(1) (suggested by elfchief@lupine.org). o Montage(1) sometimes seg faulted with the +display option (thanks to rjacot@cedar.cic.net. o Added a Background option to display(1) to display an image on the background of an X window, include the X server root. o The matte operation in display(1) does not always work on an SGI Indigo I or II. This is a hardware bug and SGI claims its unfixable. o Fill rectangles whose size matched the image size caused a segmentation fault in display(1) (thanks to Ray Bigonesse). o Previously accessed a dereferenced pointer in ReadXImage of decode.c (thanks to takafumi@u-aizu.ac.jp). o Reduced the memory requirements of many of the image encoders. o Enhanced many of the image decoders to runlength encode the pixels (e.g. FAX, PNM, PCX, TIFF, etc.). In some cases this can reduce the memory requirements by 10x (suggested by ghost@aladdin.com). o Implemented hooks for the Portable Network Graphics image format. Will add the read/write code when the reference implementation is available. ImageMagick 3.6.1 o Added Image Edit->Composite->Blend to display(1). o Labels did not reflect the correct columns and rows for JPEG images (thanks to linde@iai.kfk.de). o Images are now compressed internally to reduce the memory requirements of the ImageMagick utilities. o The TIFF resolution tags were not always generated properly (thanks to SBROGDEN@derwent.co.uk). o XPM V 3.4E was added to the VMS library (thanks to pmoreau@cena.dgac.fr). o Display(1) now has a user preferences widget (suggested by pederl@hpubgon.norway.hp.com). o Under certain circumstances, display(1) would uniconify the image window without being instructed to (thanks to seb@lns62.lns.cornell.edu). o ImageMagick silently ignores file directories (suggested by pederl@hpubgon.norway.hp.com). o ImageMagick can now read and write HDF image files. o Added a Background option to display(1) to display an image on the root window (suggested by muquit@warm.semcor.com). ImageMagick 3.6 Thanks to muquit@warm.semcor.com for helping beta test 3.6. o Added -emboss and -paint to convert(1) and mogrify(1) (suggested by sanaya@vrl.com). o ImageMagick now looks for application defaults in /usr/lib/X11/app-defaults/Display for display(1) X resources (suggested by pederl@hpubgon.norway.hp.com). o Display(1) failed to disable the shared memory transport when displaying on a remote X server (thanks to davy@ecn.purdue.edu). o Fixed seg-fault when drawing with display(1) on a scaled image (thanks to muquit@warm.semcor.com). o Added rudimentry text rotation to image annotation of display(1). o Added an -transparency option to several ImageMagick utilities (suggested by rkl@csc.liv.ac.uk). o Added Cut, Copy, and Paste functions to display(1). o You can now annotate an image from the command line (e.g. convert -annotate "my text" image.jpg annotated.jpg). o Writing TARGA sometimes failed under VMS (thanks to pmoreau@cena.dgac.fr). o Added a Draw command to display(1) for adding lines to an image. o Writing XPM previously failed on SGI because of a bug in the XPM library. o Mogrify(1) has a new option -format. To convert all the TIFF files in a particular directory to JPEG, use mogrify -format jpeg *.tiff (suggested by pederl@hpubgon.norway.hp.com). o Added a new command, Region of Interest. You can apply image processing techniques to a region of the image you select (suggested by pederl@hpubgon.norway.hp.com). o Added a Command widget to display(1) and animate(1). ImageMagick 3.5 o Writing TIFF images to stdout not longer creates a file on disk titled "-" (thanks to varady@dunsel.erenj.com). o Sharpen and Blur now includes a weighting factor (suggested by pederl@hpubgon.norway.hp.com). o Grayscale postscript is now optimized for fast rendering (suggested by kuhlmav@elec.canterbury.ac.nz). o The -crop option can now be relative to the image size, for example -crop 10% (suggested by kuhlmav@elec.canterbury.ac.nz). o The -page option can now have a media or a page geometry, for example A4 or 595x842+36+36 (suggested by kuhlmav@elec.canterbury.ac.nz). o ImageMagick now writes GIF87 unless the transparent extension is required (suggested by byron@austin.ibm.com). o Display(1) and xtp(1) have been modified to accept a World Wide Web (WWW) uniform resource locator (URL). o Added color image segmentation to the display(1) command menu. o An internal buffer was not being freed when decoding XPM images (thanks to muquit@warm.semcor.com). o The transparent pixel color is now preserved within GIF images (suggested by pederl@norway.hp.com). o ImageMagick histogram images now produce a color plot of the image values (thanks to muquit@warm.semcor.com). o Certain FITS images failed to convert properly (thanks to ouyang@iras2.iras.ucalgary.ca). o You can now create interlaced GIF images with the `-interlace line' option. o Xtp(1) now works under IRIX 5.2. o The screen grab function in display(1) has been moved to the FileBrowser widget activated with the Load command (suggested by pederl@norway.hp.com). o ImageMagick now supports the 12-bit JPEG and PNM images. ImageMagick 3.4 Thanks to pmoreau@ada.cenaath.cena.dgac.fr for helping with the VMS port and for supplying the JPEG, MPEG, TIFF and XPM VMS libraries. o Sometimes -geometry 200% produced a segmentation fault (thanks to davidh@Harston.CV.COM). o Added -blend option to combine(1) (suggested by rjohnson@shell.com). o The -colorspace gray option no longer overrides the -colors option (thanks to rjohnson@shell.com). o You can now use wildcards under VMS (suggested by Mark.Berryman@Mvb.Saic.Com). o To make UNIX and VMS compatible you must now proceed wildcards with the prefix vid: to produce a Visual Image directory (e.g. vid:*.jpg). o The File Browser now expands '~' to the home directory (suggested by pederl@norway.hp.com). o If the target window of import(1) has the WM_COLORMAP_WINDOWS property set or if XListInstalledColormaps returns a value greater than one, the image is obtained by descending the window hierarchy and reading each subwindow and its colormap. This is time consuming and is not always necessary. Now import +descend will circumvent this behavior (suggested by charles@mvel.demon.co.uk). o Some 1-bit TIFF images no longer cause a core dump (patch provided by erich@eye.com). o Xtp(1) failed when contacting AIX hosts (thanks to weichelt@ms.DeTeMobil.de). o ImageMagick can now read non-conforming Kodak DCS-420 TIFF images files (thanks to muquit@warm.semcor.com). o Import(1) will now search for window manager frame when using the -window option (suggested by miwaldor@si.bosch.de). o Updated VMS HLP files (provided by pmoreau@ada.cenaath.cena.dgac.fr). o Print now works in display(1) under VMS (thanks to effad@comet.cmis.abbott.com). o Added better support for ImageMagick under VMS (patches provided by pmoreau@cena.dgac.fr). o Identify(1) requires a maximim of two arguments, not one (thanks to pbelding@qualcomm.com). o TIFF can now be read on Dec Alpha's (thanks to Klaus.Moeller@arbi.informatik.uni-oldenburg.de). o mogrify -map icon_colors.ppm -colors 15 no longer fails (thanks to cowan@chdasic.sps.mot.com). o XTP now works properly on AIX (thanks to d.bartel@kfa-juelich.de). ImageMagick 3.3 o Added -h to identify(1) (suggested by d.bartel@kfa-juelich.de). o Original filenames are retained for compressed images (patch provided by rhutchin@indy.net). o Montage(1) no longer fails when the number of images exactly matches the tile parameter (5x4 = 20 images) (patch provided by rhutchin@indy.net). o RLE colormaps of length < 256 were not read correctly (patch provided by rhutchin@indy.net). o ImageMagick can now read Photo CD overview files. o Added 'Grab...' to the command menu in display(1) to conveniently grab an image from the X screen (thanks to pederl@norway.hp.com). o Fixed Make.com for the VMS distribution (thanks to couper@metdp2.met.co.nz). o Added a new program identify(1) to the ImageMagick suite. Identify(1) describe the format and characteristics of one or more images. o DIRENT_DEFINES= -DDIRENT=0 has been corrected to DIRENT_DEFINES= -DNoDIRENT in Magick.tmpl (thanks to norby@server.Berkeley.edu). o ImageMagick now recognizes XPM files that do not end with .xpm (thanks to pederl@norway.hp.com). o FITS images were being scaled wrong (patch provided by rhutchin@indy.net). o PGM were not being scaled if maxval != 255 (patch provided by rhutchin@indy.net). o The "magic" number was not always being respected with display(1) (thanks to kobus@cs.sfu.ca). o There is no longer a compiler error due to MPEG and JPEG TRUE and FALSE definitions (thanks to s.juang@att.com). o Some XBM failed to decode properly (thanks to muquit@warm.semcor.com). o Some Postscript images were being converted improperly (thanks to li@infrared.njit.edu). o Grayscale PPM images are no longer demoted to PGM (suggested by kopp@bismarck.gatech.edu); o Added version information to -help option (suggested by Bertrand.Decouty@irisa.fr). o 4-bit colormapped TIFF images are now read properly (thanks to pederl@norway.hp.com). o Added shared pixmaps to display(1) and animate(1) (patch provided by rhutchin@indy.net). o Added vertical rotation operator in display(1) (suggested by koreth@hyperion.com). ImageMagick 3.2 Thanks to pederl@norway.hp.com for Beta testing 3.2 and offering numerous suggestions and bug fixes. o XWD files no longer cause a segmentation fault (thanks to rhutchin@indy.net). o Display(1) was leaving the shared memory segments after exiting (patch provided by rhutchin@indy.net). o Grayscale RLE images weren't being read correctly (patch provided by rhutchin@indy.net). o PNM images of type P2 caused a segmentation fault if the maximum value was not 255 (thanks to muquit@warm.semcor.com). o AIX was unhappy with a XrmDestroyDatabase call in X.c (thanks to schlecht@toons.cc.ndsu.NoDak.edu). o Integral zooming of an image resulted in incorrect pixels in the first two positions of a scanline (thanks to schlecht@toons.cc.ndsu.NoDak.edu). o Added support for HP Color Recovery (thanks to pederl@norway.hp.com and kaczowka@apollo.hp.com). o Added a reader for MPEG images. o Added a new image type, Visual Image Directory (VID). See Magick.faq for details. o The geometry option did not work with combine(1) (thanks to april@ils.nwu.edu). o The -colormap option now works properly in mogrify(1) (thanks to rjohnson@shell.com). o Displaying an image on the root window no longer dumps core (thanks to henrik@picard.tamu.edu). o The text widget now uses a monospaced font (suggested by pederl@norway.hp.com). o Use -size to specify the width and height of raw image formats (suggested by schneid@mikro.ee.tu-berlin.de). o XBM files now decode properly (thanks to muquit@warm.semcor.com). o Postscript decoding of EPS sometimes failed (suggested by fluegel@neuroinformatik.ruhr-uni-bochum.de). o The last few pixels of a monochrome TIFF image are no longer inverted (thanks to luegel@neuroinformatik.ruhr-uni-bochum.de). o Reducing an image no longer introduces a black one pixel border (suggested by schlecht@toons.cc.ndsu.NoDak.edu). o Added oil painting effect to display(1) (algorithm provided by muquit@warm.semcor.com). o Despeckle occasionally gave odd-looking results (patch provided by crd@hplb.hpl.hp.com). o Cut menu was incorrectly offset by 1 in display(1) (patch provided by crd@hplb.hpl.hp.com). o You can now toggle the colormap type (Shared or Private) within display(1) (suggested by muquit@warm.semcor.com). o Matte editing now uses a flood-fill algorithm (suggested by pederl@norway.hp.com). o Display(1) now supports the X Shape Extension and Shared Memory Extension. o IM can now brighten, darken, sharpen, dull, or saturate an image (suggested by pederl@norway.hp.com). ImageMagick 3.1 Thanks to pederl@norway.hp.com, rjohnson@shell.com, and muquit@warm.semcor.com for Beta testing 3.1 and offering numerous suggestions and bug fixes. o The aspect ratio was incorrectly honored when writing an image within display(1) (thanks to fergusja@dupont.com). o You can now withdraw the magnify and panning windows by typing 'q' within the respective window (suggested by henrik@PICARD.TAMU.EDU). o IM now correctly recognizes '\n' in the -comment option (thanks to pritchet@usceast.cs.scarolina.edu). o IM produces correct JPEG grayscale images now (thanks to Steve Singles). o Misplaced '=' for NAXIS keyword when writing FITS images (discovered by allen@prufrock.gsfc.nasa.gov). o Magnify menu now works properly within display(1) (thanks to muquit@warm.semcor.com). o ImageMagick now accepts TIFF images on stdin, stdout, and pipes (suggested by pederl@norway.hp.com) o Can't use ftell on a pipe (thanks to haalboom@prl.philips.nl). o Added Quicken command to display(1) to display the next image after pausing (suggested by pederl@norway.hp.com). o When writing Postscript, the image is scaled only when it exceeds the page geometry (suggested by to muquit@warm.semcor.com). o Image formats that force color reduction now respect the value of the *dither* option (suggested by rjohnson@shell.com). o Two color grayscale images are no longer forced to black and white unless the the *monochrome* option is specified (suggested by rjohnson@shell.com). o ImageMagick now uses V5 Alpha of the Independent JPEG Group's library. o The speed of writing several image formats has been improved (suggested by pederl@norway.hp.com). o Added Emboss to the display(1) menu (thanks to muquit@warm.semcor.com). o Display(1) now puts image read/write errors in a Notice widget. o Add image filename to JPEG error messages (suggested by cheung@remulak.ds.dupont.com). o Double click in the Text widget to copy and paste text (suggested by pederl@norway.hp.com). ImageMagick 3.0 o Postscript written by ImageMagick no longer leaves an operator on the stack (thanks to doug@cc.gatech.edu). o BMP images are now written correctly (thanks to rjohnson@shell.com). o XWD files no longer cause a segmentation fault (thanks to muquit@warm.semcor.com). o Colors no longer need to be exact when color editting an image with display(1) (suggested by rjohnson@shell.com). o ImageMagick now reads the new TARGA image format (suggested by justin@engr.uky.edu). o Dithering caused segmentation fault on the DEC ALPHA (discovered by blake@davros.portable.com). o display(1) now recognizes the fontList resource (thanks to Steve Singles). o ImageMagick supports the mask image for XPM images (suggested by pederl@norway.hp.com). o ImageMagick now reads 16 bit TARGA images correctly (thanks to muquit@warm.semcor.com). o Encapsulated Postscript files without a *showpage* operator now displays/converts properly. o Added 'Cut' to the display(1) command menu (suggested by pederl@norway.hp.com). o Added an histogram equalization option to ImageMagick (thanks to muquit@warm.semcor.com). o Unknown image types are displayed as text within a viewer in display(1). o Added 'Matte Edit', 'Help', 'Trim Edges', and 'Color Edit' to the command menu in display(1). o Fixed the *client_name* "multiply defined" warnings on SGI (suggested by Dave@support.esd.sgi.com). o Split display(1) image commands into two menus activated with button 1 and 2. o Added 'Edit Comment' to the display(1) command menu (suggested by pederl@norway.hp.com). o Use format type EPSI to produce a Postscript file with preview bitmap. o Improved the appearance of the widgets. o Press F1 to get help within display(1) (suggested by pederl@norway.hp.com). o display(1) now has a crop image command. You can define a region to crop with button 1 and use the arrow keys to adjust (suggested by pederl@norway.hp.com). o Use -label to display a header above the Postscript image (suggested by miller@netsun.mdc.com). o Added font browser, pen color dialog, and text paste to annotation mode in display(1) (suggested by pederl@norway.hp.com). ImageMagick 2.3.[7-9] o The 'Image Info' menu command now displays the image comment. o Added new image type, MAP, colormap intensities and indices. o Animate an image sequence with a single filename, see Magick.faq for details (suggested by rjohnson@shell.com). o Within display(1), you can draw a line and the image will rotate so that the line is horizonal (suggested by rjohnson@shell.com). o Within display(1), you can gamma correct the image (suggested by rjohnson@shell.com). o Added YUV3 image type and adapted YUV to be suitable for MPEG utilities (suggested by rjohnson@shell.com). o Added -comment option to ImageMagick utilities (suggested by pederl@norway.hp.com). o Added GIF87 image type (suggested by pederl@norway.hp.com). o When converting an image with an matte channel to GIF, the transparency index is set (suggested by scott@shrug.org). o display(1) now rotates cropped images properly (thanks to rjohnson@shell.com). o Improved the scaling algorithm (suggested by rjohnson@shell.com). o Use -crop 0x0 to remove edges that are the background color (suggested by ruggier@ptsun00.cern.ch). ImageMagick 2.3.6 o `info' was not declared static in network.c (thanks to farnham@wales.stortek.com). o TIFF images with a .Z or .gz extension are now recognized. o SUN monochrome images are now written correctly (thanks to dang@cogit.ign.fr). o Animate(1) now displays the scene basename correctly (thanks to hayashi@mach.mie-u.ac.jp). o Grayscale VIFF images are now created correctly (thanks to hayashi@mach.mie-u.ac.jp). o ImageMagick can now read OS/2 BMP image files (suggested by tdi@prizm.att.com). o ImageMagick no longer reads from the same pipe twice (thanks to yhori@trl.mei.co.jp). o The YIQ colorspace now produces correct colors (thanks to rjohnson@shell.com). o ImageMagick now hides the fact that an image is being uncompressed. Previously the montage(1) label would be prefixed with '|uncompressed -c' (thanks to rjohnson@shell.com). o Animate(1) displays the name of each image of a sequence in the window frame (thanks to lare@eos913c.gsfc.nasa.gov). Use -title to use a static window name. o You can now apply a separate gamma correction to the red, green, and blue channels of an image (thanks to lare@eos913c.gsfc.nasa.gov). o Fixed memory leak in ReadPNMImage (thanks to jp@pong.polytechnique.fr). o import(1) now descends the X tree structure by default (see -descend). import(1) also *grabs* the server while obtaining an image (thanks to hyde@snmail.jsc.nasa.gov and hstroyan@fc.hp.com). o Quantize stopped dithering in 2.3.4, this has been fixed (thanks to pederl@norway.hp.com). o Changed distribution so programs are all in the top level directory and the library routines are in the *magick* directory (suggested by rjohnson@shell.com). ImageMagick 2.3.5 o Images with a huge number of unique colors sometimes did not quantize properly (thanks to rjohnson@shell.com). o -gravity Center no longer results in segmentation fault for montage(1) (thanks to rjohnson@shell.com). o Multi-part images (i.e. a multi-page Postscript document) are written with the filename followed by a period (\fB.\fP) and the scene number. You can now change this behavior by embedding a printf format specification in the file name. o ASCII PBM file and multi-part ASCII PNM files are now read correctly. o Previously the icon window had the same visual, depth, and colormap of the image window. It is now the same visual, depth, and colormap as the root window. o Improved color reduction algorithm-- average mean error per pixel has been reduced. Reducing an image to monochome has been improved. o Removed '-scale' from ImageMagick programs. Use '%' instead with -geometry (e.g. to double the image size, -geometry 200%). Also the aspect ratio of the image is now repected unless '!' is appended to the geometry specification. o You can now animate a sequence of images as the background pixmap of another window (suggested by mitchell@linus.mitre.org). o ImageMagick can now read Group 3 images (suggested by garyc@hds.com). o Added a reader for Photo CD images. o Millisecond delay was wrong for animate(1) on System V machines. o Rendered DNA animation using POV. See contrib/applications/ImageMagick/ImageMagick.animation.tar.Z on ftp.x.org. o Bilevel TIFF images are now subsampled properly (thanks to fielding@library.Cornell.EDU). o ImageMagick can now read and write XPM images. o Specify the color for an X constant image as the filename (i.e. display xc:blue). o Precede the image file name with | to pipe to or from a system command. ImageMagick 2.3.4 o Added interactive `Print' command to display(1) (suggested by rogerskm@eplrx7.es.dupont.com). o Added four widgets to display(1) and animate(1): 1) File Browser; 2) Dialog; 3) Notice; and 4) Menu. o The correct image scene number is now displayed correctly when using animate(1) (thanks to chucks@orl.mmc.com). o Changed Imakefiles to use XCOMM uniformly (thanks to dws@ssec.wisc.edu). o Added the infra-structure for an improved user interface. o Added -label option to montage(1). o LZW encoding now works properly for GIF images (bug alert from varady@dunsel.erenj.com). o Added preview bitmap to Encapsulated Postscript images. o Added -crop to import(1) (suggested by jb7716@csc.albany.edu). o Converting from full color to monochrome images now works properly. o ImageMagick now recognizes '.gz' compressed images (thanks to rpt@thak.jpl.nasa.gov). o ImageMagick now reads 16-bit TARGA images correctly (thanks to sjk@netcom.com). o ImageMagick can now read and write FITS images. o ImageMagick no longer crops large Postscript images (images larger than the default page). o ImageMagick can now read and write 24 bit PICT images. o You can now set your own error and warning handler (suggested by zins@forwiss.uni-erlangen.de). o If you quit the pan icon, the image is restored to its original size. ImageMagick 2.3.3 o Fixed numereous small errors in the ImageMagick manual pages. o convert(1) can now scale an image as it converts it. o ImageMagick can now read and write ZSoft IBM PC Paintbrush images. o ImageMagick now can write as well as read the X: format. ImageMagick 2.3.2 o Added a frame option to montage(1) to put an ornamental border around each image tile. o On HP-SUX 9.0 there is a compiler bug. Try compiling image.c without optimization to prevent a bus error with montage(1). o A warning was not being properly generated on a write error (thanks to zins@forwiss.uni-erlangen.de). o New '-page' option to set the size and location for a Postscript page. o Use '-update' with display(1) to automatically updates the image being displayed when it is modified (thanks to lustig@dupont.com). o Made several window attributes changes in display(1) and animate(1) to make the windows more server friendly and efficient. o ImageMagick can now read and write Microsoft Windows bitmap images (thanks to Eric.Adams@dseg.ti.com for bug alert). o ImageMagick can now read and write Postscript Level II. o ImageMagick can now read and write SGI RGB images (thanks to mossip@vizlab.rutgers.edu for bug alert). o Setting -delay with display(1) will cause the images to loop continuously (suggested by muller@mafalda.inria.fr). o Image rotations of 270 degrees would sometimes produce a segmentation fault on HP's. o GIF files written with ImageMagick 2.3.1 were unreadable (thanks to mjensen@bbn.com). o GIF files with multiple images would sometimes cause program to core dump (thanks to mjensen@bbn.com). o Added -undercolor to mogrify(1) to control undercolor removal and black generation on CMYK images. o Converting to the XWD format would sometimes dump core (thanks to kairys@bastar.enet.dec.com). o X resources now work correctly when clients are invoked with full pathname, i.e. /usr/local/bin/display (thanks to respl@mi.uib.no). o The delay in animate(1) now defaults to 8 milliseconds (thanks to respl@mi.uib.no). o ImageMagick did not read MIFF images with large image directories correctly. o Increased the default panning window size from 64x64 to 96x96. o display(1) now retains proper input focus when using -backdrop. o ImageMagick automatically compresses/uncompresses images that end with '.z' with gzip/gunzip. o ImageMagick can now write Macintosh PICT image files. o ImageMagick can now read and write Truevision TARGA image files. o You can now trim off one pixel from any side of an image within display(1) by using and one of the arrow keys (thanks to tennyson@raptor.com). o Image Pixmaps in display(1) are now used only if the X resource `usePixmap' is set to True. o New segment(1) program. See SYNOPSIS for details. o ImageMagick now compiles properly on the Digitial Alpha (OSF1) and the HP with HPUX. ImageMagick 2.3.1 o You can now change the color of the X constant image with -bordercolor: display -bordercolor red xc: o Color reduction to monochrome with dithering is improved (thanks to mutz@kodak.com). o Added EPS as a file type for Encapsulated Postscript. o Minor improvements to Postscript output. o Removed program XtoPS(1). There is an equivalent functionality with import(1): import image.ps import images.eps o The 'Info' command in animate(1) did not always reflect the proper image scene. o animate(1) sometimes displayed images with the wrong colormap on TrueColor or DirectColor visuals. o Popup windows were enlarged to make them easier to see. o Added a menu command to display(1) to load an image interactively (suggested by fouts@dallas.sgi.com). o montage was not allocating enough memory for it's directory (thanks to fouts@dallas.sgi.com). ImageMagick 2.3 o Added -descend option to import(1). Obtain image by descending window hierarchy reading each subwindow and its colormap. The final image is guarenteed to have the correct colors. o If pen color matched background color any annotations would not appear (thanks to dws@ssec.wisc.edu). o Thanks to jacobsd@solar.cor2.epa.gov: . mogrify now recognizes '-' as stdin and stdout. . PPM, PGM, and PBM image types are now recognized. . PPM, PGM, and PBM images were not always scaled correctly. o The -density option is no longer ignored when creating Postscript images. o The -quality option is now recognized by display and montage. o ImageMagick can now read and write VIFF images. o SUN raster files were now properly read and written on the CRAY. o Popup queries can now be edited when the pointer is in the popup window. o Added -stereo option to combine program. o Removed MIFFtoSTEREO source. o Magnify window now includes pixel value with RGB color value for windows whose depth is 12 or less. o On occasion images were incorrectly identified as XWD. o On occasion images with alpha data were being incorrectly runlength-encoded. o Sometimes icon's had a private colormap. Icon's now use a shared colormap. o Keyboard accelerators did not work with -backdrop option. o Add new utility: combine-- combine images to create new images using digital compositing operators. o xtp failed under Solaris 2.1. o I486 compiler complained about includes within a function body of xtp/network.c (thanks to glenn@physics.su.OZ.AU). o I486 compiler complained about XWDfile.h being included twice (ReadXWD & WriteXWD) (thanks to glenn@physics.su.OZ.AU) ImageMagick 2.2.4 o time between images did not always match the value specified on -delay. o Sped up and reduced memory requirement of dithering. o GIF images were corrupted on SVR4 (thanks to glenn@physics.su.OZ.AU). ImageMagick 2.2.3 o Non-color reduced images were being written even though the color reduction option was specified (-colors). This affected images written as AVS, CMYK, and RGB. o Modified various sources to reduce lint warnings. ImageMagick 2.2.2 o Dithering did not work properly on the Cray (due to right shift problem). o In most cases dithering requires 1/2 as much memory as previously. o Dithering was sped up by ~15%. o Occasionally the quantization error was reported incorrectly. ImageMagick 2.2.1 o The number of colors reported with the -verbose option was on occasion incorrect. o Color quantization was improved and in some cases sped up ~10%. o Cleaned up image rotation code. o Added -shear to mogrify options. o Added a file type of HISTOGRAM to convert. o Sometimes PBM image files did not have the correct number of bytes. o Color reduced PPM images were being written at the full color resolution. o Keypresses are no longer accepted during image configuration. o Red, green, and blue values of a X constant image were set to the red intensity of the background color. o Cropped images did not show up correctly in the panning icon. o `animate' no longer shows images out-of-order if the image scene number is absent (thanks to kent@oddjob.uchicago.edu). o ImageMagick now recognizes the X resource class with the first letter of the client capitalized, i.e. 'Display.Visual: default' (thanks to dws@ssec.wisc.edu). ImageMagick 2.2 o When displaying a composite MIFF image created with `montage', button 3 no longer displays a magnify window. Instead the tile at the mouse location is displayed. When the tile image is exited, the composite image reappears. This is effectively a visual image directory. o `montage' has a new gravity option for placing an image within a tile of the composite, i.e. CenterGravity. o `montage' has a new compose option for specifying which composite operation to use. o `montage' creates composite images with the `montage' keyword. o Updated MIFF manual page to reflect 'montage' image header keyword. o Add -colormap to `mogrify.' Use to color reduce an image to a set of colors you choose. o Some compilers have read-only strings. ImageMagick no longer writes on read-only strings. o For colormapped X servers, the color reduction has been sped up by trading image quality for processing time. See the README for details. o Latin1Upper was declared wrong in X.h. o Added unistd.h to display.h for strict ANSI compilers. o Changed long to time_t for calls to C time routine. o Multi-part GIF's can now be displayed or animated. o Fixed segmentation fault when reading multi-part images with animate, montage, or mogrify. o Multi-part MIFF images have the correct file name now. o An expose event for the Magnify window may occur before it is mapped. This caused display to fail on Solburne and HP's. o Using `-colorspace gray' with 'convert' correctly produces grayscale images. o Images are sorted by intensity for shared colormapped visuals. Some intensity intervals are made "more popular". This gives better image results when sharing colors with other applications. o All utilities correctly read multi-part TIFF images. o Image pixmap was not being updated correctly when pan icon appears (thanks to dws@ssec.wisc.edu). o Fixed ANSI warning on image composite code. o Panning uses a pixmap for faster panning speed. o Rotate.c now uses a table to force range limits. o range table in quantize.c is allocated from the heap instead of the stack. o adjusted the sensitivity for automatic dithering. Some JPEG images were not being dithered. ImageMagick 2.0 o Dirk Wetzel fixed the select statement in animate.c. o Eric Haines fixed ReadRLEImage in decode.c. It previously did not check to see if the background color was present in the image. es. o You can now set your own error and warning handler (suggested by zins@forwiss.uni-erlangen.de). o If you quit the pan icon, the image is restored to its original size. ImageMagick 2.3.3 ./ImageMagick/ImageMagick.html010064400000240000024000000101670602605466200173260ustar00cristycristy00002330000007 ImageMagick - X11 Image Processing and Display Package

ImageMagick
ImageMagick, version 3.6.6, is a package for display and interactive manipulation of images for the X Window System. It is written in C and interfaces to the X library, and therefore does not require any proprietary toolkit in order to compile. Although the software is copyrighted, it is available for free and can be redistributed without fee.

The ImageMagick image display tool first determines the hardware capabilities of your workstation. If the number of unique colors in an image is less than or equal to the number the workstation can support, the image is displayed in an X window. Otherwise, the number of colors in the image is first reduced to match the color resolution of the workstation before it is displayed.

In addition to the image display program, ImageMagick also has command line programs that perform these functions:

* Describe the format and characteristics of an image
* Convert an image from one format to another
* Transform an image or sequence of images
* Read an image from an X server and output it as an image file
* Animate a sequence of images
* Combine one or more images to create new images
* Create a composite image by combining several separate images
* Segment an image based on the color histogram
* Retrieve, list, or print files from a remote network site
ImageMagick supports many of the more popular image formats including JPEG, PNG, TIFF, Photo CD, etc.

ImageMagick is known to compile and run on virtually any Unix system including Linux. It also runs under VMS. See README for compiling instructions.

What's New

ImageMagick is continually being enhanced. Check this section periodically to see what enhancements have been added.
* ImageMagick no longer requires X server fonts to annotate an image.
* ImageMagick can now write a HTML document. An imagemap is generated for any Visual Image Directory image.
* Use \n to produce multi-line labels within montage
* Added -raise to lighten/darken image edges to create a 3-D effect.
* Access a range of frames from an MPEG files, for example, video.mpg[50-75].
* Fixed memory leaks discovered by a memory debugger.

Other Information Sources

* ImageMagick Tools
* Frequently Asked Questions
* Magick Image File Format
* ImageMagick's color reduction algorithm
* The Imaging Machine
* Home Page of Muhammad A Muquit

cristy@dupont.com