/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % + I s S c e n e G e o m e t r y % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % IsSceneGeometry() returns MagickTrue if the geometry is a valid scene % specification (e.g. [1], [1-9], [1,7,4]). % % The format of the IsSceneGeometry method is: % % MagickBooleanType IsSceneGeometry(const char *geometry, % const MagickBooleanType pedantic) % % A description of each parameter follows: % % o geometry: This string is the geometry specification. % % o pedantic: A value other than 0 invokes a more restrictive set of % conditions for a valid specification (e.g. [1], [1-4], [4-1]). % */ MagickExport MagickBooleanType IsSceneGeometry(const char *geometry, const MagickBooleanType pedantic) { char *p; double value; if (geometry == (const char *) NULL) return(MagickFalse); p=(char *) geometry; value=InterpretLocaleValue(geometry,&p); (void) value; if (p == geometry) return(MagickFalse); if (strspn(geometry,"0123456789-, ") != strlen(geometry)) return(MagickFalse); if ((pedantic != MagickFalse) && (strchr(geometry,',') != (char *) NULL)) return(MagickFalse); return(MagickTrue); }
WandExport MagickBooleanType ImportImageCommand(ImageInfo *image_info, int argc,char **argv,char **wand_unused(metadata),ExceptionInfo *exception) { #if defined(MAGICKCORE_X11_DELEGATE) #define DestroyImport() \ { \ XDestroyResourceInfo(&resource_info); \ if (display != (Display *) NULL) \ { \ XCloseDisplay(display); \ display=(Display *) NULL; \ } \ DestroyImageStack(); \ if (target_window != (char *) NULL) \ target_window=DestroyString(target_window); \ for (i=0; i < (ssize_t) argc; i++) \ argv[i]=DestroyString(argv[i]); \ argv=(char **) RelinquishMagickMemory(argv); \ } #define ThrowImportException(asperity,tag,option) \ { \ (void) ThrowMagickException(exception,GetMagickModule(),asperity,tag,"`%s'", \ option); \ DestroyImport(); \ return(MagickFalse); \ } #define ThrowImportInvalidArgumentException(option,argument) \ { \ (void) ThrowMagickException(exception,GetMagickModule(),OptionError, \ "InvalidArgument","`%s': %s",option,argument); \ DestroyImport(); \ return(MagickFalse); \ } char *filename, *option, *resource_value, *server_name, *target_window; Display *display; Image *image; ImageStack image_stack[MaxImageStackDepth+1]; MagickBooleanType fire, pend, respect_parenthesis; MagickStatusType status; QuantizeInfo *quantize_info; register ssize_t i; ssize_t j, k, snapshots; XImportInfo ximage_info; XResourceInfo resource_info; XrmDatabase resource_database; /* Set defaults. */ assert(image_info != (ImageInfo *) NULL); assert(image_info->signature == MagickSignature); if (image_info->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); assert(exception != (ExceptionInfo *) NULL); if (argc == 2) { option=argv[1]; if ((LocaleCompare("version",option+1) == 0) || (LocaleCompare("-version",option+1) == 0)) { (void) FormatLocaleFile(stdout,"Version: %s\n", GetMagickVersion((size_t *) NULL)); (void) FormatLocaleFile(stdout,"Copyright: %s\n", GetMagickCopyright()); (void) FormatLocaleFile(stdout,"Features: %s\n\n", GetMagickFeatures()); return(MagickFalse); } } display=(Display *) NULL; j=1; k=0; NewImageStack(); option=(char *) NULL; pend=MagickFalse; resource_database=(XrmDatabase) NULL; respect_parenthesis=MagickFalse; (void) ResetMagickMemory(&resource_info,0,sizeof(resource_info)); server_name=(char *) NULL; status=MagickTrue; SetNotifyHandlers; target_window=(char *) NULL; /* Check for server name specified on the command line. */ ReadCommandlLine(argc,&argv); status=ExpandFilenames(&argc,&argv); if (status == MagickFalse) ThrowImportException(ResourceLimitError,"MemoryAllocationFailed", GetExceptionMessage(errno)); for (i=1; i < (ssize_t) argc; i++) { /* Check command line for server name. */ option=argv[i]; if (LocaleCompare("display",option+1) == 0) { /* User specified server name. */ i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); server_name=argv[i]; } if ((LocaleCompare("help",option+1) == 0) || (LocaleCompare("-help",option+1) == 0)) return(ImportUsage()); } /* Get user defaults from X resource database. */ display=XOpenDisplay(server_name); if (display == (Display *) NULL) ThrowImportException(XServerError,"UnableToOpenXServer", XDisplayName(server_name)); (void) XSetErrorHandler(XError); resource_database=XGetResourceDatabase(display,GetClientName()); XGetImportInfo(&ximage_info); XGetResourceInfo(image_info,resource_database,GetClientName(), &resource_info); quantize_info=resource_info.quantize_info; resource_value=XGetResourceInstance(resource_database,GetClientName(), "border","False"); ximage_info.borders=IsMagickTrue(resource_value); resource_value=XGetResourceInstance(resource_database,GetClientName(), "delay","0"); resource_info.delay=(unsigned int) StringToUnsignedLong(resource_value); image_info->density=XGetResourceInstance(resource_database,GetClientName(), "density",(char *) NULL); resource_value=XGetResourceInstance(resource_database,GetClientName(), "descend","True"); ximage_info.descend=IsMagickTrue(resource_value); resource_value=XGetResourceInstance(resource_database,GetClientName(), "frame","False"); ximage_info.frame=IsMagickTrue(resource_value); resource_value=XGetResourceInstance(resource_database,GetClientName(), "interlace","none"); image_info->interlace=UndefinedInterlace; if (LocaleCompare("None",resource_value) == 0) image_info->interlace=NoInterlace; if (LocaleCompare("Line",resource_value) == 0) image_info->interlace=LineInterlace; if (LocaleCompare("Plane",resource_value) == 0) image_info->interlace=PlaneInterlace; if (LocaleCompare("Partition",resource_value) == 0) image_info->interlace=PartitionInterlace; if (image_info->interlace == UndefinedInterlace) ThrowImportException(OptionError,"Unrecognized interlace type", resource_value); image_info->page=XGetResourceInstance(resource_database,GetClientName(), "pageGeometry",(char *) NULL); resource_value=XGetResourceInstance(resource_database,GetClientName(), "pause","0"); resource_info.pause=(unsigned int) StringToUnsignedLong(resource_value); resource_value=XGetResourceInstance(resource_database,GetClientName(), "quality","85"); image_info->quality=StringToUnsignedLong(resource_value); resource_value=XGetResourceInstance(resource_database,GetClientName(), "screen","False"); ximage_info.screen=IsMagickTrue(resource_value); resource_value=XGetResourceInstance(resource_database,GetClientName(), "silent","False"); ximage_info.silent=IsMagickTrue(resource_value); resource_value=XGetResourceInstance(resource_database,GetClientName(), "verbose","False"); image_info->verbose=IsMagickTrue(resource_value); resource_value=XGetResourceInstance(resource_database,GetClientName(), "dither","True"); quantize_info->dither=IsMagickTrue(resource_value); snapshots=1; status=MagickTrue; filename=(char *) NULL; /* Check command syntax. */ for (i=1; i < (ssize_t) argc; i++) { option=argv[i]; if (LocaleCompare(option,"(") == 0) { FireImageStack(MagickFalse,MagickTrue,pend); if (k == MaxImageStackDepth) ThrowImportException(OptionError,"ParenthesisNestedTooDeeply", option); PushImageStack(); continue; } if (LocaleCompare(option,")") == 0) { FireImageStack(MagickFalse,MagickTrue,MagickTrue); if (k == 0) ThrowImportException(OptionError,"UnableToParseExpression",option); PopImageStack(); continue; } if (IsCommandOption(option) == MagickFalse) { Image *images; size_t scene; /* Read image from X server. */ FireImageStack(MagickFalse,MagickFalse,pend); filename=argv[i]; if (target_window != (char *) NULL) (void) CopyMagickString(image_info->filename,target_window, MaxTextExtent); for (scene=0; scene < (size_t) MagickMax(snapshots,1); scene++) { (void) sleep(resource_info.pause); images=XImportImage(image_info,&ximage_info); status&=(images != (Image *) NULL) && (exception->severity < ErrorException); if (images == (Image *) NULL) continue; (void) CopyMagickString(images->filename,filename,MaxTextExtent); (void) CopyMagickString(images->magick,"PS",MaxTextExtent); images->scene=scene; AppendImageStack(images); } continue; } pend=image != (Image *) NULL ? MagickTrue : MagickFalse; switch(*(option+1)) { case 'a': { if (LocaleCompare("adjoin",option+1) == 0) break; if (LocaleCompare("annotate",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) (argc-1)) ThrowImportException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowImportInvalidArgumentException(option,argv[i]); if (i == (ssize_t) (argc-1)) ThrowImportException(OptionError,"MissingArgument",option); i++; break; } ThrowImportException(OptionError,"UnrecognizedOption",option); } case 'b': { if (LocaleCompare("border",option+1) == 0) { (void) CopyMagickString(argv[i]+1,"sans",MaxTextExtent); ximage_info.borders=(*option == '-') ? MagickTrue : MagickFalse; break; } if (LocaleCompare("bordercolor",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); break; } ThrowImportException(OptionError,"UnrecognizedOption",option); } case 'c': { if (LocaleCompare("cache",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowImportInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("channel",option+1) == 0) { ssize_t channel; if (*option == '+') break; i++; if (i == (ssize_t) (argc-1)) ThrowImportException(OptionError,"MissingArgument",option); channel=ParseChannelOption(argv[i]); if (channel < 0) ThrowImportException(OptionError,"UnrecognizedChannelType", argv[i]); break; } if (LocaleCompare("colors",option+1) == 0) { quantize_info->number_colors=0; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowImportInvalidArgumentException(option,argv[i]); quantize_info->number_colors=StringToUnsignedLong(argv[i]); break; } if (LocaleCompare("colorspace",option+1) == 0) { ssize_t colorspace; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); colorspace=ParseCommandOption(MagickColorspaceOptions,MagickFalse, argv[i]); if (colorspace < 0) ThrowImportException(OptionError,"UnrecognizedColorspace", argv[i]); break; } if (LocaleCompare("comment",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); status=SetImageOption(image_info,"comment",argv[i]); if (status == MagickFalse) ThrowImportException(OptionError,"UnrecognizedOption",argv[i]); break; } if (LocaleCompare("compress",option+1) == 0) { ssize_t compress; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); compress=ParseCommandOption(MagickCompressOptions,MagickFalse, argv[i]); if (compress < 0) ThrowImportException(OptionError,"UnrecognizedImageCompression", argv[i]); break; } if (LocaleCompare("concurrent",option+1) == 0) break; if (LocaleCompare("crop",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowImportInvalidArgumentException(option,argv[i]); break; } ThrowImportException(OptionError,"UnrecognizedOption",option); } case 'd': { if (LocaleCompare("debug",option+1) == 0) { ssize_t event; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); event=ParseCommandOption(MagickLogEventOptions,MagickFalse,argv[i]); if (event < 0) ThrowImportException(OptionError,"UnrecognizedEventType",argv[i]); (void) SetLogEventMask(argv[i]); break; } if (LocaleCompare("define",option+1) == 0) { i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); if (*option == '+') { const char *define; define=GetImageOption(image_info,argv[i]); if (define == (char *) NULL) ThrowImportException(OptionError,"NoSuchOption",argv[i]); break; } break; } if (LocaleCompare("delay",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowImportInvalidArgumentException(option,argv[i]); status=SetImageOption(image_info,"delay",argv[i]); if (status == MagickFalse) ThrowImportException(OptionError,"UnrecognizedOption",argv[i]); break; } if (LocaleCompare("density",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowImportInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("depth",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowImportInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("descend",option+1) == 0) { ximage_info.descend=(*option == '-') ? MagickTrue : MagickFalse; break; } if (LocaleCompare("display",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); break; } if (LocaleCompare("dispose",option+1) == 0) { ssize_t dispose; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); dispose=ParseCommandOption(MagickDisposeOptions,MagickFalse,argv[i]); if (dispose < 0) ThrowImportException(OptionError,"UnrecognizedDisposeMethod", argv[i]); break; } if (LocaleCompare("dither",option+1) == 0) { ssize_t method; quantize_info->dither=MagickFalse; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); method=ParseCommandOption(MagickDitherOptions,MagickFalse,argv[i]); if (method < 0) ThrowImportException(OptionError,"UnrecognizedDitherMethod", argv[i]); quantize_info->dither=MagickTrue; quantize_info->dither_method=(DitherMethod) method; break; } if (LocaleCompare("duration",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) (argc-1)) ThrowImportException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowImportInvalidArgumentException(option,argv[i]); break; } ThrowImportException(OptionError,"UnrecognizedOption",option); } case 'e': { if (LocaleCompare("encipher",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) (argc-1)) ThrowImportException(OptionError,"MissingArgument",option); break; } if (LocaleCompare("encoding",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); break; } if (LocaleCompare("endian",option+1) == 0) { ssize_t endian; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); endian=ParseCommandOption(MagickEndianOptions,MagickFalse, argv[i]); if (endian < 0) ThrowImportException(OptionError,"UnrecognizedEndianType", argv[i]); break; } ThrowImportException(OptionError,"UnrecognizedOption",option); } case 'f': { if (LocaleCompare("filter",option+1) == 0) { ssize_t filter; if (*option == '+') break; i++; if (i == (ssize_t) (argc-1)) ThrowImportException(OptionError,"MissingArgument",option); filter=ParseCommandOption(MagickFilterOptions,MagickFalse,argv[i]); if (filter < 0) ThrowImportException(OptionError,"UnrecognizedImageFilter", argv[i]); break; } if (LocaleCompare("frame",option+1) == 0) { (void) CopyMagickString(argv[i]+1,"sans0",MaxTextExtent); ximage_info.frame=(*option == '-') ? MagickTrue : MagickFalse; break; } if (LocaleCompare("format",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) (argc-1)) ThrowImportException(OptionError,"MissingArgument",option); break; } ThrowImportException(OptionError,"UnrecognizedOption",option); } case 'g': { if (LocaleCompare("geometry",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowImportInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("gravity",option+1) == 0) { ssize_t gravity; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); gravity=ParseCommandOption(MagickGravityOptions,MagickFalse,argv[i]); if (gravity < 0) ThrowImportException(OptionError,"UnrecognizedGravityType", argv[i]); break; } ThrowImportException(OptionError,"UnrecognizedOption",option); } case 'h': { if (LocaleCompare("help",option+1) == 0) break; ThrowImportException(OptionError,"UnrecognizedOption",option); } case 'i': { if (LocaleCompare("identify",option+1) == 0) break; if (LocaleCompare("interlace",option+1) == 0) { ssize_t interlace; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); interlace=ParseCommandOption(MagickInterlaceOptions,MagickFalse, argv[i]); if (interlace < 0) ThrowImportException(OptionError,"UnrecognizedInterlaceType", argv[i]); break; } if (LocaleCompare("interpolate",option+1) == 0) { ssize_t interpolate; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); interpolate=ParseCommandOption(MagickInterpolateOptions,MagickFalse, argv[i]); if (interpolate < 0) ThrowImportException(OptionError,"UnrecognizedInterpolateMethod", argv[i]); break; } ThrowImportException(OptionError,"UnrecognizedOption",option); } case 'l': { if (LocaleCompare("label",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); status=SetImageOption(image_info,"label",argv[i]); if (status == MagickFalse) ThrowImportException(OptionError,"UnrecognizedOption",argv[i]); break; } if (LocaleCompare("limit",option+1) == 0) { char *p; double value; ssize_t resource; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); resource=ParseCommandOption(MagickResourceOptions,MagickFalse, argv[i]); if (resource < 0) ThrowImportException(OptionError,"UnrecognizedResourceType", argv[i]); i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); value=InterpretLocaleValue(argv[i],&p); (void) value; if ((p == argv[i]) && (LocaleCompare("unlimited",argv[i]) != 0)) ThrowImportInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("list",option+1) == 0) { ssize_t list; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); list=ParseCommandOption(MagickListOptions,MagickFalse,argv[i]); if (list < 0) ThrowImportException(OptionError,"UnrecognizedListType",argv[i]); status=MogrifyImageInfo(image_info,(int) (i-j+1),(const char **) argv+j,exception); DestroyImport(); return(status != 0 ? MagickFalse : MagickTrue); } if (LocaleCompare("log",option+1) == 0) { if (*option == '+') break; i++; if ((i == (ssize_t) argc) || (strchr(argv[i],'%') == (char *) NULL)) ThrowImportException(OptionError,"MissingArgument",option); break; } ThrowImportException(OptionError,"UnrecognizedOption",option); } case 'm': { if (LocaleCompare("monitor",option+1) == 0) break; if (LocaleCompare("monochrome",option+1) == 0) { if (*option == '+') break; quantize_info->number_colors=2; quantize_info->colorspace=GRAYColorspace; break; } ThrowImportException(OptionError,"UnrecognizedOption",option); } case 'n': { if (LocaleCompare("negate",option+1) == 0) break; ThrowImportException(OptionError,"UnrecognizedOption",option); } case 'p': { if (LocaleCompare("page",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); status=SetImageOption(image_info,"page",argv[i]); if (status == MagickFalse) ThrowImportException(OptionError,"UnrecognizedOption",argv[i]); break; } if (LocaleCompare("pause",option+1) == 0) { resource_info.pause=0; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowImportInvalidArgumentException(option,argv[i]); resource_info.pause=(unsigned int) StringToUnsignedLong(argv[i]); break; } if (LocaleCompare("ping",option+1) == 0) break; /* deprecated option */ if (LocaleCompare("pointsize",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowImportInvalidArgumentException(option,argv[i]); break; } ThrowImportException(OptionError,"UnrecognizedOption",option); } case 'q': { if (LocaleCompare("quality",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowImportInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("quantize",option+1) == 0) { ssize_t colorspace; if (*option == '+') break; i++; if (i == (ssize_t) (argc-1)) ThrowImportException(OptionError,"MissingArgument",option); colorspace=ParseCommandOption(MagickColorspaceOptions, MagickFalse,argv[i]); if (colorspace < 0) ThrowImportException(OptionError,"UnrecognizedColorspace", argv[i]); break; } if (LocaleCompare("quiet",option+1) == 0) break; ThrowImportException(OptionError,"UnrecognizedOption",option); } case 'r': { if (LocaleCompare("regard-warnings",option+1) == 0) break; if (LocaleCompare("repage",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) (argc-1)) ThrowImportException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowImportInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("resize",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowImportInvalidArgumentException(option,argv[i]); break; } if (LocaleNCompare("respect-parentheses",option+1,17) == 0) { respect_parenthesis=(*option == '-') ? MagickTrue : MagickFalse; break; } if (LocaleCompare("rotate",option+1) == 0) { i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowImportInvalidArgumentException(option,argv[i]); break; } ThrowImportException(OptionError,"UnrecognizedOption",option); } case 's': { if (LocaleCompare("sampling-factor",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowImportInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("scene",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowImportInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("set",option+1) == 0) { i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); break; } if (LocaleCompare("screen",option+1) == 0) { ximage_info.screen=(*option == '-') ? MagickTrue : MagickFalse; break; } if (LocaleCompare("seed",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) (argc-1)) ThrowImportException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowImportInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("silent",option+1) == 0) { ximage_info.silent=(*option == '-') ? MagickTrue : MagickFalse; break; } if (LocaleCompare("snaps",option+1) == 0) { (void) CopyMagickString(argv[i]+1,"sans",MaxTextExtent); i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowImportInvalidArgumentException(option,argv[i]); snapshots=(ssize_t) StringToLong(argv[i]); break; } if (LocaleCompare("strip",option+1) == 0) break; if (LocaleCompare("support",option+1) == 0) { i++; /* deprecated */ break; } if (LocaleCompare("synchronize",option+1) == 0) break; ThrowImportException(OptionError,"UnrecognizedOption",option); } case 't': { if (LocaleCompare("taint",option+1) == 0) break; if (LocaleCompare("thumbnail",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowImportInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("transparent",option+1) == 0) { i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); break; } if (LocaleCompare("transparent-color",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) (argc-1)) ThrowImportException(OptionError,"MissingArgument",option); break; } if (LocaleCompare("treedepth",option+1) == 0) { quantize_info->tree_depth=0; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowImportInvalidArgumentException(option,argv[i]); quantize_info->tree_depth=StringToUnsignedLong(argv[i]); break; } if (LocaleCompare("trim",option+1) == 0) break; if (LocaleCompare("type",option+1) == 0) { ssize_t type; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); type=ParseCommandOption(MagickTypeOptions,MagickFalse,argv[i]); if (type < 0) ThrowImportException(OptionError,"UnrecognizedImageType",argv[i]); break; } ThrowImportException(OptionError,"UnrecognizedOption",option); } case 'w': { i++; if (i == (ssize_t) argc) ThrowImportException(OptionError,"MissingArgument",option); (void) CloneString(&target_window,argv[i]); break; } case 'v': { if (LocaleCompare("verbose",option+1) == 0) break; if ((LocaleCompare("version",option+1) == 0) || (LocaleCompare("-version",option+1) == 0)) { (void) FormatLocaleFile(stdout,"Version: %s\n", GetMagickVersion((size_t *) NULL)); (void) FormatLocaleFile(stdout,"Copyright: %s\n", GetMagickCopyright()); (void) FormatLocaleFile(stdout,"Features: %s\n\n", GetMagickFeatures()); break; } ThrowImportException(OptionError,"UnrecognizedOption",option); } case '?': break; default: ThrowImportException(OptionError,"UnrecognizedOption",option); } fire=(GetCommandOptionFlags(MagickCommandOptions,MagickFalse,option) & FireOptionFlag) == 0 ? MagickFalse : MagickTrue; if (fire != MagickFalse) FireImageStack(MagickFalse,MagickTrue,MagickTrue); } if (k != 0) ThrowImportException(OptionError,"UnbalancedParenthesis",argv[i]); if (i-- != (ssize_t) argc) ThrowImportException(OptionError,"MissingAnImageFilename",argv[i]); if (image == (Image *) NULL) ThrowImportException(OptionError,"MissingAnImageFilename",argv[argc-1]); FinalizeImageSettings(image_info,image,MagickTrue); status&=WriteImages(image_info,image,filename,exception); DestroyImport(); return(status != 0 ? MagickTrue : MagickFalse); #else (void) argc; (void) argv; (void) ThrowMagickException(exception,GetMagickModule(),MissingDelegateError, "DelegateLibrarySupportNotBuiltIn","`%s' (X11)",image_info->filename); return(ImportUsage()); #endif }
static Image *ReadFITSImage(const ImageInfo *image_info, ExceptionInfo *exception) { typedef struct _FITSInfo { MagickBooleanType extend, simple; int bits_per_pixel, columns, rows, number_axes, number_planes; double min_data, max_data, zero, scale; EndianType endian; } FITSInfo; char *comment, keyword[9], property[MaxTextExtent], value[73]; double pixel, scale; FITSInfo fits_info; Image *image; int c; MagickBooleanType status; MagickSizeType number_pixels; register ssize_t i, x; register PixelPacket *q; ssize_t count, scene, y; /* Open image file. */ assert(image_info != (const ImageInfo *) NULL); assert(image_info->signature == MagickSignature); if (image_info->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", image_info->filename); assert(exception != (ExceptionInfo *) NULL); assert(exception->signature == MagickSignature); image=AcquireImage(image_info); status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) { image=DestroyImageList(image); return((Image *) NULL); } /* Initialize image header. */ (void) ResetMagickMemory(&fits_info,0,sizeof(fits_info)); fits_info.extend=MagickFalse; fits_info.simple=MagickFalse; fits_info.bits_per_pixel=8; fits_info.columns=1; fits_info.rows=1; fits_info.rows=1; fits_info.number_planes=1; fits_info.min_data=0.0; fits_info.max_data=0.0; fits_info.zero=0.0; fits_info.scale=1.0; fits_info.endian=MSBEndian; /* Decode image header. */ for (comment=(char *) NULL; EOFBlob(image) == MagickFalse; ) { for ( ; EOFBlob(image) == MagickFalse; ) { register char *p; count=ReadBlob(image,8,(unsigned char *) keyword); if (count != 8) break; for (i=0; i < 8; i++) { if (isspace((int) ((unsigned char) keyword[i])) != 0) break; keyword[i]=tolower((int) ((unsigned char) keyword[i])); } keyword[i]='\0'; count=ReadBlob(image,72,(unsigned char *) value); if (count != 72) break; value[72]='\0'; p=value; if (*p == '=') { p+=2; while (isspace((int) ((unsigned char) *p)) != 0) p++; } if (LocaleCompare(keyword,"end") == 0) break; if (LocaleCompare(keyword,"extend") == 0) fits_info.extend=(*p == 'T') || (*p == 't') ? MagickTrue : MagickFalse; if (LocaleCompare(keyword,"simple") == 0) fits_info.simple=(*p == 'T') || (*p == 't') ? MagickTrue : MagickFalse; if (LocaleCompare(keyword,"bitpix") == 0) fits_info.bits_per_pixel=StringToLong(p); if (LocaleCompare(keyword,"naxis") == 0) fits_info.number_axes=StringToLong(p); if (LocaleCompare(keyword,"naxis1") == 0) fits_info.columns=StringToLong(p); if (LocaleCompare(keyword,"naxis2") == 0) fits_info.rows=StringToLong(p); if (LocaleCompare(keyword,"naxis3") == 0) fits_info.number_planes=StringToLong(p); if (LocaleCompare(keyword,"datamax") == 0) fits_info.max_data=InterpretLocaleValue(p,(char **) NULL); if (LocaleCompare(keyword,"datamin") == 0) fits_info.min_data=InterpretLocaleValue(p,(char **) NULL); if (LocaleCompare(keyword,"bzero") == 0) fits_info.zero=InterpretLocaleValue(p,(char **) NULL); if (LocaleCompare(keyword,"bscale") == 0) fits_info.scale=InterpretLocaleValue(p,(char **) NULL); if (LocaleCompare(keyword,"comment") == 0) { if (comment == (char *) NULL) comment=ConstantString(p); else (void) ConcatenateString(&comment,p); } if (LocaleCompare(keyword,"xendian") == 0) { if (LocaleNCompare(p,"big",3) == 0) fits_info.endian=MSBEndian; else fits_info.endian=LSBEndian; } (void) FormatLocaleString(property,MaxTextExtent,"fits:%s",keyword); (void) SetImageProperty(image,property,p); } c=0; while (((TellBlob(image) % FITSBlocksize) != 0) && (c != EOF)) c=ReadBlobByte(image); if (fits_info.extend == MagickFalse) break; number_pixels=(MagickSizeType) fits_info.columns*fits_info.rows; if ((fits_info.simple != MagickFalse) && (fits_info.number_axes >= 1) && (fits_info.number_axes <= 4) && (number_pixels != 0)) break; } /* Verify that required image information is defined. */ if (comment != (char *) NULL) { (void) SetImageProperty(image,"comment",comment); comment=DestroyString(comment); } if (EOFBlob(image) != MagickFalse) ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile", image->filename); number_pixels=(MagickSizeType) fits_info.columns*fits_info.rows; if ((fits_info.simple == MagickFalse) || (fits_info.number_axes < 1) || (fits_info.number_axes > 4) || (number_pixels == 0)) ThrowReaderException(CorruptImageError,"ImageTypeNotSupported"); for (scene=0; scene < (ssize_t) fits_info.number_planes; scene++) { image->columns=(size_t) fits_info.columns; image->rows=(size_t) fits_info.rows; image->depth=(size_t) (fits_info.bits_per_pixel < 0 ? -1 : 1)* fits_info.bits_per_pixel; image->endian=fits_info.endian; image->scene=(size_t) scene; if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0)) if (image->scene >= (image_info->scene+image_info->number_scenes-1)) break; /* Initialize image structure. */ if ((fits_info.min_data != 0.0) || (fits_info.max_data != 0.0)) { if ((fits_info.bits_per_pixel != 0) && (fits_info.max_data == 0.0)) fits_info.max_data=GetFITSPixelRange((size_t) fits_info.bits_per_pixel); } else GetFITSPixelExtrema(image,fits_info.bits_per_pixel,&fits_info.min_data, &fits_info.max_data); /* Convert FITS pixels to pixel packets. */ scale=(double) QuantumRange/(fits_info.scale*(fits_info.max_data- fits_info.min_data)+fits_info.zero); for (y=(ssize_t) image->rows-1; y >= 0; y--) { q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); if (q == (PixelPacket *) NULL) break; for (x=0; x < (ssize_t) image->columns; x++) { pixel=GetFITSPixel(image,fits_info.bits_per_pixel); SetPixelRed(q,ClampToQuantum(scale*(fits_info.scale*(pixel- fits_info.min_data)+fits_info.zero))); SetPixelGreen(q,GetPixelRed(q)); SetPixelBlue(q,GetPixelRed(q)); q++; } if (SyncAuthenticPixels(image,exception) == MagickFalse) break; if (image->previous == (Image *) NULL) { status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, image->rows); if (status == MagickFalse) break; } } if (EOFBlob(image) != MagickFalse) { ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile", image->filename); break; } /* Proceed to next image. */ if (image_info->number_scenes != 0) if (image->scene >= (image_info->scene+image_info->number_scenes-1)) break; if (scene < (ssize_t) (fits_info.number_planes-1)) { /* Allocate next image structure. */ AcquireNextImage(image_info,image); if (GetNextImageInList(image) == (Image *) NULL) { image=DestroyImageList(image); return((Image *) NULL); } image=SyncNextImageInList(image); status=SetImageProgress(image,LoadImagesTag,TellBlob(image), GetBlobSize(image)); if (status == MagickFalse) break; } } (void) CloseBlob(image); return(GetFirstImageInList(image)); }
static MagickBooleanType WriteJBIGImage(const ImageInfo *image_info, Image *image) { double version; MagickBooleanType status; MagickOffsetType scene; register const IndexPacket *indexes; register const PixelPacket *p; register ssize_t x; register unsigned char *q; size_t number_packets; ssize_t y; struct jbg_enc_state jbig_info; unsigned char bit, byte, *pixels; /* Open image file. */ assert(image_info != (const ImageInfo *) NULL); assert(image_info->signature == MagickSignature); assert(image != (Image *) NULL); assert(image->signature == MagickSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception); if (status == MagickFalse) return(status); version=InterpretLocaleValue(JBG_VERSION,(char **) NULL); scene=0; do { /* Allocate pixel data. */ if (IsRGBColorspace(image->colorspace) == MagickFalse) (void) TransformImageColorspace(image,RGBColorspace); number_packets=(image->columns+7)/8; pixels=(unsigned char *) AcquireQuantumMemory(number_packets, image->rows*sizeof(*pixels)); if (pixels == (unsigned char *) NULL) ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); /* Convert pixels to a bitmap. */ (void) SetImageType(image,BilevelType); q=pixels; for (y=0; y < (ssize_t) image->rows; y++) { p=GetVirtualPixels(image,0,y,image->columns,1,&image->exception); if (p == (const PixelPacket *) NULL) break; indexes=GetVirtualIndexQueue(image); bit=0; byte=0; for (x=0; x < (ssize_t) image->columns; x++) { byte<<=1; if (PixelIntensity(p) < (QuantumRange/2.0)) byte|=0x01; bit++; if (bit == 8) { *q++=byte; bit=0; byte=0; } p++; } if (bit != 0) *q++=byte << (8-bit); if (image->previous == (Image *) NULL) { status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, image->rows); if (status == MagickFalse) break; } } /* Initialize JBIG info structure. */ jbg_enc_init(&jbig_info,(unsigned long) image->columns,(unsigned long) image->rows,1,&pixels,(void (*)(unsigned char *,size_t,void *)) JBIGEncode,image); if (image_info->scene != 0) jbg_enc_layers(&jbig_info,(int) image_info->scene); else { size_t x_resolution, y_resolution; ssize_t sans_offset; x_resolution=640; y_resolution=480; sans_offset=0; if (image_info->density != (char *) NULL) { GeometryInfo geometry_info; MagickStatusType flags; flags=ParseGeometry(image_info->density,&geometry_info); x_resolution=geometry_info.rho; y_resolution=geometry_info.sigma; if ((flags & SigmaValue) == 0) y_resolution=x_resolution; } if (image->units == PixelsPerCentimeterResolution) { x_resolution=(size_t) (100.0*2.54*x_resolution+0.5)/100.0; y_resolution=(size_t) (100.0*2.54*y_resolution+0.5)/100.0; } (void) jbg_enc_lrlmax(&jbig_info,(unsigned long) x_resolution, (unsigned long) y_resolution); } (void) jbg_enc_lrange(&jbig_info,-1,-1); jbg_enc_options(&jbig_info,JBG_ILEAVE | JBG_SMID,JBG_TPDON | JBG_TPBON | JBG_DPON,version < 1.6 ? -1 : 0,-1,-1); /* Write JBIG image. */ jbg_enc_out(&jbig_info); jbg_enc_free(&jbig_info); pixels=(unsigned char *) RelinquishMagickMemory(pixels); if (GetNextImageInList(image) == (Image *) NULL) break; image=SyncNextImageInList(image); status=SetImageProgress(image,SaveImagesTag,scene++, GetImageListLength(image)); if (status == MagickFalse) break; } while (image_info->adjoin != MagickFalse); (void) CloseBlob(image); return(MagickTrue); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d C A C H E I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ReadMPCImage() reads an Magick Persistent Cache 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 ReadMPCImage method is: % % Image *ReadMPCImage(const ImageInfo *image_info,ExceptionInfo *exception) % % Decompression code contributed by Kyle Shorter. % % A description of each parameter follows: % % o image_info: the image info. % % o exception: return any errors or warnings in this structure. % */ static Image *ReadMPCImage(const ImageInfo *image_info,ExceptionInfo *exception) { char cache_filename[MaxTextExtent], id[MaxTextExtent], keyword[MaxTextExtent], *options; const unsigned char *p; GeometryInfo geometry_info; Image *image; int c; LinkedListInfo *profiles; MagickBooleanType status; MagickOffsetType offset; MagickStatusType flags; register ssize_t i; size_t depth, length, quantum_depth; ssize_t count; StringInfo *profile; /* Open image file. */ assert(image_info != (const ImageInfo *) NULL); assert(image_info->signature == MagickSignature); if (image_info->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", image_info->filename); assert(exception != (ExceptionInfo *) NULL); assert(exception->signature == MagickSignature); image=AcquireImage(image_info); status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) { image=DestroyImageList(image); return((Image *) NULL); } (void) CopyMagickString(cache_filename,image->filename,MaxTextExtent); AppendImageFormat("cache",cache_filename); c=ReadBlobByte(image); if (c == EOF) { image=DestroyImage(image); return((Image *) NULL); } *id='\0'; (void) ResetMagickMemory(keyword,0,sizeof(keyword)); offset=0; do { /* Decode image header; header terminates one character beyond a ':'. */ profiles=(LinkedListInfo *) NULL; length=MaxTextExtent; options=AcquireString((char *) NULL); quantum_depth=MAGICKCORE_QUANTUM_DEPTH; image->depth=8; image->compression=NoCompression; while ((isgraph(c) != MagickFalse) && (c != (int) ':')) { register char *p; if (c == (int) '{') { char *comment; /* Read comment-- any text between { }. */ length=MaxTextExtent; comment=AcquireString((char *) NULL); for (p=comment; comment != (char *) NULL; p++) { c=ReadBlobByte(image); if ((c == EOF) || (c == (int) '}')) break; if ((size_t) (p-comment+1) >= length) { *p='\0'; length<<=1; comment=(char *) ResizeQuantumMemory(comment,length+ MaxTextExtent,sizeof(*comment)); if (comment == (char *) NULL) break; p=comment+strlen(comment); } *p=(char) c; } if (comment == (char *) NULL) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); *p='\0'; (void) SetImageProperty(image,"comment",comment); comment=DestroyString(comment); c=ReadBlobByte(image); } else if (isalnum(c) != MagickFalse) { /* Get the keyword. */ p=keyword; do { if (c == (int) '=') break; if ((size_t) (p-keyword) < (MaxTextExtent-1)) *p++=(char) c; c=ReadBlobByte(image); } while (c != EOF); *p='\0'; p=options; while (isspace((int) ((unsigned char) c)) != 0) c=ReadBlobByte(image); if (c == (int) '=') { /* Get the keyword value. */ c=ReadBlobByte(image); while ((c != (int) '}') && (c != EOF)) { if ((size_t) (p-options+1) >= length) { *p='\0'; length<<=1; options=(char *) ResizeQuantumMemory(options,length+ MaxTextExtent,sizeof(*options)); if (options == (char *) NULL) break; p=options+strlen(options); } if (options == (char *) NULL) ThrowReaderException(ResourceLimitError, "MemoryAllocationFailed"); *p++=(char) c; c=ReadBlobByte(image); if (*options != '{') if (isspace((int) ((unsigned char) c)) != 0) break; } } *p='\0'; if (*options == '{') (void) CopyMagickString(options,options+1,MaxTextExtent); /* Assign a value to the specified keyword. */ switch (*keyword) { case 'b': case 'B': { if (LocaleCompare(keyword,"background-color") == 0) { (void) QueryColorDatabase(options,&image->background_color, exception); break; } if (LocaleCompare(keyword,"blue-primary") == 0) { flags=ParseGeometry(options,&geometry_info); image->chromaticity.blue_primary.x=geometry_info.rho; image->chromaticity.blue_primary.y=geometry_info.sigma; if ((flags & SigmaValue) == 0) image->chromaticity.blue_primary.y= image->chromaticity.blue_primary.x; break; } if (LocaleCompare(keyword,"border-color") == 0) { (void) QueryColorDatabase(options,&image->border_color, exception); break; } (void) SetImageProperty(image,keyword,options); break; } case 'c': case 'C': { if (LocaleCompare(keyword,"class") == 0) { ssize_t storage_class; storage_class=ParseCommandOption(MagickClassOptions, MagickFalse,options); if (storage_class < 0) break; image->storage_class=(ClassType) storage_class; break; } if (LocaleCompare(keyword,"colors") == 0) { image->colors=StringToUnsignedLong(options); break; } if (LocaleCompare(keyword,"colorspace") == 0) { ssize_t colorspace; colorspace=ParseCommandOption(MagickColorspaceOptions, MagickFalse,options); if (colorspace < 0) break; image->colorspace=(ColorspaceType) colorspace; break; } if (LocaleCompare(keyword,"compression") == 0) { ssize_t compression; compression=ParseCommandOption(MagickCompressOptions, MagickFalse,options); if (compression < 0) break; image->compression=(CompressionType) compression; break; } if (LocaleCompare(keyword,"columns") == 0) { image->columns=StringToUnsignedLong(options); break; } (void) SetImageProperty(image,keyword,options); break; } case 'd': case 'D': { if (LocaleCompare(keyword,"delay") == 0) { image->delay=StringToUnsignedLong(options); break; } if (LocaleCompare(keyword,"depth") == 0) { image->depth=StringToUnsignedLong(options); break; } if (LocaleCompare(keyword,"dispose") == 0) { ssize_t dispose; dispose=ParseCommandOption(MagickDisposeOptions,MagickFalse, options); if (dispose < 0) break; image->dispose=(DisposeType) dispose; break; } (void) SetImageProperty(image,keyword,options); break; } case 'e': case 'E': { if (LocaleCompare(keyword,"endian") == 0) { ssize_t endian; endian=ParseCommandOption(MagickEndianOptions,MagickFalse, options); if (endian < 0) break; image->endian=(EndianType) endian; break; } if (LocaleCompare(keyword,"error") == 0) { image->error.mean_error_per_pixel=InterpretLocaleValue( options,(char **) NULL); break; } (void) SetImageProperty(image,keyword,options); break; } case 'g': case 'G': { if (LocaleCompare(keyword,"gamma") == 0) { image->gamma=InterpretLocaleValue(options,(char **) NULL); break; } if (LocaleCompare(keyword,"green-primary") == 0) { flags=ParseGeometry(options,&geometry_info); image->chromaticity.green_primary.x=geometry_info.rho; image->chromaticity.green_primary.y=geometry_info.sigma; if ((flags & SigmaValue) == 0) image->chromaticity.green_primary.y= image->chromaticity.green_primary.x; break; } (void) SetImageProperty(image,keyword,options); break; } case 'i': case 'I': { if (LocaleCompare(keyword,"id") == 0) { (void) CopyMagickString(id,options,MaxTextExtent); break; } if (LocaleCompare(keyword,"iterations") == 0) { image->iterations=StringToUnsignedLong(options); break; } (void) SetImageProperty(image,keyword,options); break; } case 'm': case 'M': { if (LocaleCompare(keyword,"matte") == 0) { ssize_t matte; matte=ParseCommandOption(MagickBooleanOptions,MagickFalse, options); if (matte < 0) break; image->matte=(MagickBooleanType) matte; break; } if (LocaleCompare(keyword,"matte-color") == 0) { (void) QueryColorDatabase(options,&image->matte_color, exception); break; } if (LocaleCompare(keyword,"maximum-error") == 0) { image->error.normalized_maximum_error= InterpretLocaleValue(options,(char **) NULL); break; } if (LocaleCompare(keyword,"mean-error") == 0) { image->error.normalized_mean_error=InterpretLocaleValue( options,(char **) NULL); break; } if (LocaleCompare(keyword,"montage") == 0) { (void) CloneString(&image->montage,options); break; } (void) SetImageProperty(image,keyword,options); break; } case 'o': case 'O': { if (LocaleCompare(keyword,"opaque") == 0) { ssize_t matte; matte=ParseCommandOption(MagickBooleanOptions,MagickFalse, options); if (matte < 0) break; image->matte=(MagickBooleanType) matte; break; } if (LocaleCompare(keyword,"orientation") == 0) { ssize_t orientation; orientation=ParseCommandOption(MagickOrientationOptions, MagickFalse,options); if (orientation < 0) break; image->orientation=(OrientationType) orientation; break; } (void) SetImageProperty(image,keyword,options); break; } case 'p': case 'P': { if (LocaleCompare(keyword,"page") == 0) { char *geometry; geometry=GetPageGeometry(options); (void) ParseAbsoluteGeometry(geometry,&image->page); geometry=DestroyString(geometry); break; } if ((LocaleNCompare(keyword,"profile:",8) == 0) || (LocaleNCompare(keyword,"profile-",8) == 0)) { if (profiles == (LinkedListInfo *) NULL) profiles=NewLinkedList(0); (void) AppendValueToLinkedList(profiles, AcquireString(keyword+8)); profile=AcquireStringInfo((size_t) StringToLong(options)); (void) SetImageProfile(image,keyword+8,profile); profile=DestroyStringInfo(profile); break; } (void) SetImageProperty(image,keyword,options); break; } case 'q': case 'Q': { if (LocaleCompare(keyword,"quality") == 0) { image->quality=StringToUnsignedLong(options); break; } if (LocaleCompare(keyword,"quantum-depth") == 0) { quantum_depth=StringToUnsignedLong(options); break; } (void) SetImageProperty(image,keyword,options); break; } case 'r': case 'R': { if (LocaleCompare(keyword,"red-primary") == 0) { flags=ParseGeometry(options,&geometry_info); image->chromaticity.red_primary.x=geometry_info.rho; if ((flags & SigmaValue) != 0) image->chromaticity.red_primary.y=geometry_info.sigma; break; } if (LocaleCompare(keyword,"rendering-intent") == 0) { ssize_t rendering_intent; rendering_intent=ParseCommandOption(MagickIntentOptions, MagickFalse,options); if (rendering_intent < 0) break; image->rendering_intent=(RenderingIntent) rendering_intent; break; } if (LocaleCompare(keyword,"resolution") == 0) { flags=ParseGeometry(options,&geometry_info); image->x_resolution=geometry_info.rho; image->y_resolution=geometry_info.sigma; if ((flags & SigmaValue) == 0) image->y_resolution=image->x_resolution; break; } if (LocaleCompare(keyword,"rows") == 0) { image->rows=StringToUnsignedLong(options); break; } (void) SetImageProperty(image,keyword,options); break; } case 's': case 'S': { if (LocaleCompare(keyword,"scene") == 0) { image->scene=StringToUnsignedLong(options); break; } (void) SetImageProperty(image,keyword,options); break; } case 't': case 'T': { if (LocaleCompare(keyword,"ticks-per-second") == 0) { image->ticks_per_second=(ssize_t) StringToLong(options); break; } if (LocaleCompare(keyword,"tile-offset") == 0) { char *geometry; geometry=GetPageGeometry(options); (void) ParseAbsoluteGeometry(geometry,&image->tile_offset); geometry=DestroyString(geometry); } if (LocaleCompare(keyword,"type") == 0) { ssize_t type; type=ParseCommandOption(MagickTypeOptions,MagickFalse, options); if (type < 0) break; image->type=(ImageType) type; break; } (void) SetImageProperty(image,keyword,options); break; } case 'u': case 'U': { if (LocaleCompare(keyword,"units") == 0) { ssize_t units; units=ParseCommandOption(MagickResolutionOptions,MagickFalse, options); if (units < 0) break; image->units=(ResolutionType) units; break; } (void) SetImageProperty(image,keyword,options); break; } case 'w': case 'W': { if (LocaleCompare(keyword,"white-point") == 0) { flags=ParseGeometry(options,&geometry_info); image->chromaticity.white_point.x=geometry_info.rho; image->chromaticity.white_point.y=geometry_info.sigma; if ((flags & SigmaValue) == 0) image->chromaticity.white_point.y= image->chromaticity.white_point.x; break; } (void) SetImageProperty(image,keyword,options); break; } default: { (void) SetImageProperty(image,keyword,options); break; } } } else c=ReadBlobByte(image); while (isspace((int) ((unsigned char) c)) != 0) c=ReadBlobByte(image); } options=DestroyString(options); (void) ReadBlobByte(image); /* Verify that required image information is defined. */ if ((LocaleCompare(id,"MagickCache") != 0) || (image->storage_class == UndefinedClass) || (image->compression == UndefinedCompression) || (image->columns == 0) || (image->rows == 0)) ThrowReaderException(CorruptImageError,"ImproperImageHeader"); if (quantum_depth != MAGICKCORE_QUANTUM_DEPTH) ThrowReaderException(CacheError,"InconsistentPersistentCacheDepth"); if (image->montage != (char *) NULL) { register char *p; /* Image directory. */ length=MaxTextExtent; image->directory=AcquireString((char *) NULL); p=image->directory; do { *p='\0'; if ((strlen(image->directory)+MaxTextExtent) >= length) { /* Allocate more memory for the image directory. */ length<<=1; image->directory=(char *) ResizeQuantumMemory(image->directory, length+MaxTextExtent,sizeof(*image->directory)); if (image->directory == (char *) NULL) ThrowReaderException(CorruptImageError,"UnableToReadImageData"); p=image->directory+strlen(image->directory); } c=ReadBlobByte(image); *p++=(char) c; } while (c != (int) '\0'); } if (profiles != (LinkedListInfo *) NULL) { const char *name; const StringInfo *profile; register unsigned char *p; /* Read image profiles. */ ResetLinkedListIterator(profiles); name=(const char *) GetNextValueInLinkedList(profiles); while (name != (const char *) NULL) { profile=GetImageProfile(image,name); if (profile != (StringInfo *) NULL) { p=GetStringInfoDatum(profile); count=ReadBlob(image,GetStringInfoLength(profile),p); } name=(const char *) GetNextValueInLinkedList(profiles); } profiles=DestroyLinkedList(profiles,RelinquishMagickMemory); } depth=GetImageQuantumDepth(image,MagickFalse); if (image->storage_class == PseudoClass) { /* Create image colormap. */ if (AcquireImageColormap(image,image->colors) == MagickFalse) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); if (image->colors != 0) { size_t packet_size; unsigned char *colormap; /* Read image colormap from file. */ packet_size=(size_t) (3UL*depth/8UL); colormap=(unsigned char *) AcquireQuantumMemory(image->colors, packet_size*sizeof(*colormap)); if (colormap == (unsigned char *) NULL) ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); count=ReadBlob(image,packet_size*image->colors,colormap); if (count != (ssize_t) (packet_size*image->colors)) ThrowReaderException(CorruptImageError, "InsufficientImageDataInFile"); p=colormap; switch (depth) { default: ThrowReaderException(CorruptImageError, "ImageDepthNotSupported"); case 8: { unsigned char pixel; for (i=0; i < (ssize_t) image->colors; i++) { p=PushCharPixel(p,&pixel); image->colormap[i].red=ScaleCharToQuantum(pixel); p=PushCharPixel(p,&pixel); image->colormap[i].green=ScaleCharToQuantum(pixel); p=PushCharPixel(p,&pixel); image->colormap[i].blue=ScaleCharToQuantum(pixel); } break; } case 16: { unsigned short pixel; for (i=0; i < (ssize_t) image->colors; i++) { p=PushShortPixel(MSBEndian,p,&pixel); image->colormap[i].red=ScaleShortToQuantum(pixel); p=PushShortPixel(MSBEndian,p,&pixel); image->colormap[i].green=ScaleShortToQuantum(pixel); p=PushShortPixel(MSBEndian,p,&pixel); image->colormap[i].blue=ScaleShortToQuantum(pixel); } break; } case 32: { unsigned int pixel; for (i=0; i < (ssize_t) image->colors; i++) { p=PushLongPixel(MSBEndian,p,&pixel); image->colormap[i].red=ScaleLongToQuantum(pixel); p=PushLongPixel(MSBEndian,p,&pixel); image->colormap[i].green=ScaleLongToQuantum(pixel); p=PushLongPixel(MSBEndian,p,&pixel); image->colormap[i].blue=ScaleLongToQuantum(pixel); } break; } } colormap=(unsigned char *) RelinquishMagickMemory(colormap); } } if (EOFBlob(image) != MagickFalse) { ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile", image->filename); break; } if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0)) if (image->scene >= (image_info->scene+image_info->number_scenes-1)) break; /* Attach persistent pixel cache. */ status=PersistPixelCache(image,cache_filename,MagickTrue,&offset,exception); if (status == MagickFalse) ThrowReaderException(CacheError,"UnableToPersistPixelCache"); /* Proceed to next image. */ do { c=ReadBlobByte(image); } while ((isgraph(c) == MagickFalse) && (c != EOF)); if (c != EOF) { /* Allocate next image structure. */ AcquireNextImage(image_info,image); if (GetNextImageInList(image) == (Image *) NULL) { image=DestroyImageList(image); return((Image *) NULL); } image=SyncNextImageInList(image); status=SetImageProgress(image,LoadImagesTag,TellBlob(image), GetBlobSize(image)); if (status == MagickFalse) break; } } while (c != EOF); (void) CloseBlob(image); return(GetFirstImageInList(image)); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % G e t G e o m e t r y % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % GetGeometry() parses a geometry specification and returns the width, % height, x, and y values. It also returns flags that indicates which % of the four values (width, height, x, y) were located in the string, and % whether the x or y values are negative. In addition, there are flags to % report any meta characters (%, !, <, or >). % % The format of the GetGeometry method is: % % MagickStatusType GetGeometry(const char *geometry,ssize_t *x,ssize_t *y, % size_t *width,size_t *height) % % A description of each parameter follows: % % o geometry: The geometry. % % o x,y: The x and y offset as determined by the geometry specification. % % o width,height: The width and height as determined by the geometry % specification. % */ MagickExport MagickStatusType GetGeometry(const char *geometry,ssize_t *x, ssize_t *y,size_t *width,size_t *height) { char *p, pedantic_geometry[MaxTextExtent], *q; double value; MagickStatusType flags; /* Remove whitespace and meta characters from geometry specification. */ flags=NoValue; if ((geometry == (char *) NULL) || (*geometry == '\0')) return(flags); if (strlen(geometry) >= MaxTextExtent) return(flags); (void) CopyMagickString(pedantic_geometry,geometry,MaxTextExtent); for (p=pedantic_geometry; *p != '\0'; ) { if (isspace((int) ((unsigned char) *p)) != 0) { (void) CopyMagickString(p,p+1,MaxTextExtent); continue; } switch ((int) *p) { case '%': { flags|=PercentValue; (void) CopyMagickString(p,p+1,MaxTextExtent); break; } case '!': { flags|=AspectValue; (void) CopyMagickString(p,p+1,MaxTextExtent); break; } case '<': { flags|=LessValue; (void) CopyMagickString(p,p+1,MaxTextExtent); break; } case '>': { flags|=GreaterValue; (void) CopyMagickString(p,p+1,MaxTextExtent); break; } case '^': { flags|=MinimumValue; (void) CopyMagickString(p,p+1,MaxTextExtent); break; } case '@': { flags|=AreaValue; (void) CopyMagickString(p,p+1,MaxTextExtent); break; } case '(': case ')': { (void) CopyMagickString(p,p+1,MaxTextExtent); break; } case '-': case '.': case ',': case '+': case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': case -41: case 'x': case 'X': { p++; break; } default: return(flags); } } /* Parse width, height, x, and y. */ p=pedantic_geometry; if (*p == '\0') return(flags); q=p; value=InterpretLocaleValue(p,&q); (void) value; if (LocaleNCompare(p,"0x",2) == 0) value=(double) strtol(p,&q,10); if ((((int) *q) == -41) || (*q == 'x') || (*q == 'X') || (*q == '\0')) { /* Parse width. */ q=p; if (LocaleNCompare(p,"0x",2) == 0) *width=(size_t) strtol(p,&p,10); else *width=(size_t) floor(InterpretLocaleValue(p,&p)+0.5); if (p != q) flags|=WidthValue; } if ((((int) *p) == -41) || (*p == 'x') || (*p == 'X')) { p++; if ((*p != '+') && (*p != '-')) { /* Parse height. */ q=p; *height=(size_t) floor(InterpretLocaleValue(p,&p)+0.5); if (p != q) flags|=HeightValue; } } if ((*p == '+') || (*p == '-')) { /* Parse x value. */ if (*p == '-') flags|=XNegative; q=p; *x=(ssize_t) ceil(InterpretLocaleValue(p,&p)-0.5); if (p != q) flags|=XValue; if ((*p == '+') || (*p == '-')) { /* Parse y value. */ if (*p == '-') flags|=YNegative; q=p; *y=(ssize_t) ceil(InterpretLocaleValue(p,&p)-0.5); if (p != q) flags|=YValue; } } return(flags); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % P a r s e G e o m e t r y % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ParseGeometry() parses a geometry specification and returns the sigma, % rho, xi, and psi values. It also returns flags that indicates which % of the four values (sigma, rho, xi, psi) were located in the string, and % whether the xi or pi values are negative. % % In addition, it reports if there are any of meta characters (%, !, <, >, @, % and ^) flags present. It does not report the location of the percentage % relative to the values. % % The format of the ParseGeometry method is: % % MagickStatusType ParseGeometry(const char *geometry, % GeometryInfo *geometry_info) % % A description of each parameter follows: % % o geometry: The geometry string (e.g. "100x100+10+10"). % % o geometry_info: returns the parsed width/height/x/y in this structure. % */ MagickExport MagickStatusType ParseGeometry(const char *geometry, GeometryInfo *geometry_info) { char *p, pedantic_geometry[MaxTextExtent], *q; double value; MagickStatusType flags; /* Remove whitespaces meta characters from geometry specification. */ assert(geometry_info != (GeometryInfo *) NULL); flags=NoValue; if ((geometry == (char *) NULL) || (*geometry == '\0')) return(flags); if (strlen(geometry) >= MaxTextExtent) return(flags); (void) CopyMagickString(pedantic_geometry,geometry,MaxTextExtent); for (p=pedantic_geometry; *p != '\0'; ) { if (isspace((int) ((unsigned char) *p)) != 0) { (void) CopyMagickString(p,p+1,MaxTextExtent); continue; } switch ((int) *p) { case '%': { flags|=PercentValue; (void) CopyMagickString(p,p+1,MaxTextExtent); break; } case '!': { flags|=AspectValue; (void) CopyMagickString(p,p+1,MaxTextExtent); break; } case '<': { flags|=LessValue; (void) CopyMagickString(p,p+1,MaxTextExtent); break; } case '>': { flags|=GreaterValue; (void) CopyMagickString(p,p+1,MaxTextExtent); break; } case '^': { flags|=MinimumValue; (void) CopyMagickString(p,p+1,MaxTextExtent); break; } case '@': { flags|=AreaValue; (void) CopyMagickString(p,p+1,MaxTextExtent); break; } case '(': case ')': { (void) CopyMagickString(p,p+1,MaxTextExtent); break; } case '-': case '+': case ',': case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': case -41: case 'x': case 'X': case '/': case ':': { p++; break; } case '.': { p++; flags|=DecimalValue; break; } default: return(flags); } } /* Parse rho, sigma, xi, psi, and optionally chi. */ p=pedantic_geometry; if (*p == '\0') return(flags); q=p; value=InterpretLocaleValue(p,&q); if (LocaleNCompare(p,"0x",2) == 0) value=(double) strtol(p,&q,10); if ((((int) *q) == -41) || (*q == 'x') || (*q == 'X') || (*q == ',') || (*q == '/') || (*q == ':') || (*q =='\0')) { /* Parse rho. */ q=p; if (LocaleNCompare(p,"0x",2) == 0) value=(double) strtol(p,&p,10); else value=InterpretLocaleValue(p,&p); if (p != q) { flags|=RhoValue; geometry_info->rho=value; } } q=p; if ((((int) *p) == -41) || (*p == 'x') || (*p == 'X') || (*p == ',') || (*p == '/') || (*p == ':')) { /* Parse sigma. */ p++; while (isspace((int) ((unsigned char) *p)) != 0) p++; if (((((int) *q) != -41) && (*q != 'x') && (*q != 'X')) || ((*p != '+') && (*p != '-'))) { q=p; value=InterpretLocaleValue(p,&p); if (p != q) { flags|=SigmaValue; geometry_info->sigma=value; } } } while (isspace((int) ((unsigned char) *p)) != 0) p++; if ((*p == '+') || (*p == '-') || (*p == ',') || (*p == '/') || (*p == ':')) { /* Parse xi value. */ if ((*p == ',') || (*p == '/') || (*p == ':')) p++; q=p; value=InterpretLocaleValue(p,&p); if (p != q) { flags|=XiValue; if (*q == '-') flags|=XiNegative; geometry_info->xi=value; } while (isspace((int) ((unsigned char) *p)) != 0) p++; if ((*p == '+') || (*p == '-') || (*p == ',') || (*p == '/') || (*p == ':')) { /* Parse psi value. */ if ((*p == ',') || (*p == '/') || (*p == ':')) p++; q=p; value=InterpretLocaleValue(p,&p); if (p != q) { flags|=PsiValue; if (*q == '-') flags|=PsiNegative; geometry_info->psi=value; } } while (isspace((int) ((unsigned char) *p)) != 0) p++; if ((*p == '+') || (*p == '-') || (*p == ',') || (*p == '/') || (*p == ':')) { /* Parse chi value. */ if ((*p == ',') || (*p == '/') || (*p == ':')) p++; q=p; value=InterpretLocaleValue(p,&p); if (p != q) { flags|=ChiValue; if (*q == '-') flags|=ChiNegative; geometry_info->chi=value; } } } if (strchr(pedantic_geometry,':') != (char *) NULL) { /* Normalize sampling factor (e.g. 4:2:2 => 2x1). */ geometry_info->rho/=geometry_info->sigma; geometry_info->sigma=1.0; if (geometry_info->xi == 0.0) geometry_info->sigma=2.0; } if (((flags & SigmaValue) == 0) && ((flags & XiValue) != 0) && ((flags & PsiValue) == 0)) { /* Support negative height values (e.g. 30x-20). */ geometry_info->sigma=geometry_info->xi; geometry_info->xi=0.0; flags|=SigmaValue; flags&=(~XiValue); } return(flags); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % P a r s e A f f i n e G e o m e t r y % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ParseAffineGeometry() returns an affine matrix as defined by a string of 4 % to 6 comma/space separated floating point values. % % The affine matrix determinant is checked for validity of the values. % % The format of the ParseAffineGeometry method is: % % MagickStatusType ParseAffineGeometry(const char *geometry, % AffineMatrix *affine_matrix,ExceptionInfo *exception) % % A description of each parameter follows: % % o geometry: The geometry string (e.g. "1.0,0.0,0.0,1.0,3.2,1.2"). % % o affine_matrix: the affine matrix as defined by the geometry string. % % o exception: return any errors or warnings in this structure. % */ MagickExport MagickStatusType ParseAffineGeometry(const char *geometry, AffineMatrix *affine_matrix,ExceptionInfo *exception) { char token[MaxTextExtent]; const char *p; double determinant; MagickStatusType flags; register ssize_t i; GetAffineMatrix(affine_matrix); flags=NoValue; p=(char *) geometry; for (i=0; (*p != '\0') && (i < 6); i++) { GetMagickToken(p,&p,token); if (*token == ',') GetMagickToken(p,&p,token); switch (i) { case 0: { affine_matrix->sx=InterpretLocaleValue(token,(char **) NULL); break; } case 1: { affine_matrix->rx=InterpretLocaleValue(token,(char **) NULL); break; } case 2: { affine_matrix->ry=InterpretLocaleValue(token,(char **) NULL); break; } case 3: { affine_matrix->sy=InterpretLocaleValue(token,(char **) NULL); break; } case 4: { affine_matrix->tx=InterpretLocaleValue(token,(char **) NULL); flags|=XValue; break; } case 5: { affine_matrix->ty=InterpretLocaleValue(token,(char **) NULL); flags|=YValue; break; } } } determinant=(affine_matrix->sx*affine_matrix->sy-affine_matrix->rx* affine_matrix->ry); if (fabs(determinant) < MagickEpsilon) (void) ThrowMagickException(exception,GetMagickModule(),OptionError, "InvalidGeometry","`%s'",geometry); return(flags); }
/* %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % % % % % % R e a d S C T I m a g e % % % % % % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % % ReadSCTImage() reads a Scitex 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 ReadSCTImage method is: % % Image *ReadSCTImage(const ImageInfo *image_info,ExceptionInfo *exception) % % A description of each parameter follows: % % o image_info: the image info. % % o exception: return any errors or warnings in this structure. % */ static Image *ReadSCTImage(const ImageInfo *image_info,ExceptionInfo *exception) { char magick[2]; Image *image; MagickBooleanType status; MagickRealType height, width; Quantum pixel; register IndexPacket *indexes; register ssize_t i, x; register PixelPacket *q; ssize_t count, y; unsigned char buffer[768]; size_t separations, separations_mask, units; /* Open image file. */ assert(image_info != (const ImageInfo *) NULL); assert(image_info->signature == MagickSignature); if (image_info->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s", image_info->filename); assert(exception != (ExceptionInfo *) NULL); assert(exception->signature == MagickSignature); image=AcquireImage(image_info); status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception); if (status == MagickFalse) { image=DestroyImageList(image); return((Image *) NULL); } /* Read control block. */ count=ReadBlob(image,80,buffer); (void) count; count=ReadBlob(image,2,(unsigned char *) magick); if ((LocaleNCompare((char *) magick,"CT",2) != 0) && (LocaleNCompare((char *) magick,"LW",2) != 0) && (LocaleNCompare((char *) magick,"BM",2) != 0) && (LocaleNCompare((char *) magick,"PG",2) != 0) && (LocaleNCompare((char *) magick,"TX",2) != 0)) ThrowReaderException(CorruptImageError,"ImproperImageHeader"); if ((LocaleNCompare((char *) magick,"LW",2) == 0) || (LocaleNCompare((char *) magick,"BM",2) == 0) || (LocaleNCompare((char *) magick,"PG",2) == 0) || (LocaleNCompare((char *) magick,"TX",2) == 0)) ThrowReaderException(CoderError,"OnlyContinuousTonePictureSupported"); count=ReadBlob(image,174,buffer); count=ReadBlob(image,768,buffer); /* Read paramter block. */ units=1UL*ReadBlobByte(image); if (units == 0) image->units=PixelsPerCentimeterResolution; separations=1UL*ReadBlobByte(image); separations_mask=ReadBlobMSBShort(image); count=ReadBlob(image,14,buffer); buffer[14]='\0'; height=InterpretLocaleValue((char *) buffer,(char **) NULL); count=ReadBlob(image,14,buffer); width=InterpretLocaleValue((char *) buffer,(char **) NULL); count=ReadBlob(image,12,buffer); buffer[12]='\0'; image->rows=StringToUnsignedLong((char *) buffer); count=ReadBlob(image,12,buffer); image->columns=StringToUnsignedLong((char *) buffer); count=ReadBlob(image,200,buffer); count=ReadBlob(image,768,buffer); if (separations_mask == 0x0f) image->colorspace=CMYKColorspace; image->x_resolution=1.0*image->columns/width; image->y_resolution=1.0*image->rows/height; if (image_info->ping != MagickFalse) { (void) CloseBlob(image); return(GetFirstImageInList(image)); } /* Convert SCT raster image to pixel packets. */ for (y=0; y < (ssize_t) image->rows; y++) { for (i=0; i < (ssize_t) separations; i++) { q=GetAuthenticPixels(image,0,y,image->columns,1,exception); if (q == (PixelPacket *) NULL) break; indexes=GetAuthenticIndexQueue(image); for (x=0; x < (ssize_t) image->columns; x++) { pixel=(Quantum) ScaleCharToQuantum((unsigned char) ReadBlobByte(image)); if (image->colorspace == CMYKColorspace) pixel=(Quantum) (QuantumRange-pixel); switch (i) { case 0: { SetPixelRed(q,pixel); SetPixelGreen(q,pixel); SetPixelBlue(q,pixel); break; } case 1: { SetPixelGreen(q,pixel); break; } case 2: { SetPixelBlue(q,pixel); break; } case 3: { if (image->colorspace == CMYKColorspace) SetPixelBlack(indexes+x,pixel); break; } } q++; } if (SyncAuthenticPixels(image,exception) == MagickFalse) break; if ((image->columns % 2) != 0) (void) ReadBlobByte(image); /* pad */ } status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y, image->rows); if (status == MagickFalse) break; } if (EOFBlob(image) != MagickFalse) ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile", image->filename); (void) CloseBlob(image); return(GetFirstImageInList(image)); }