MagickExport Image *ChannelFxImage(const Image *image,const char *expression, ExceptionInfo *exception) { #define ChannelFxImageTag "ChannelFx/Image" ChannelFx channel_op; ChannelType channel_mask; char token[MaxTextExtent]; const char *p; const Image *source_image; double pixel; Image *destination_image; MagickBooleanType status; PixelChannel source_channel, destination_channel; ssize_t channels; assert(image != (Image *) NULL); assert(image->signature == MagickSignature); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); assert(exception != (ExceptionInfo *) NULL); assert(exception->signature == MagickSignature); source_image=image; destination_image=CloneImage(source_image,0,0,MagickTrue,exception); if (destination_image == (Image *) NULL) return((Image *) NULL); if (expression == (const char *) NULL) return(destination_image); destination_channel=RedPixelChannel; channel_mask=UndefinedChannel; pixel=0.0; p=(char *) expression; GetMagickToken(p,&p,token); channel_op=ExtractChannelOp; for (channels=0; *token != '\0'; ) { ssize_t i; /* Interpret channel expression. */ switch (*token) { case ',': { GetMagickToken(p,&p,token); break; } case '|': { if (GetNextImageInList(source_image) != (Image *) NULL) source_image=GetNextImageInList(source_image); else source_image=GetFirstImageInList(source_image); GetMagickToken(p,&p,token); break; } case ';': { Image *canvas; SetPixelChannelMask(destination_image,channel_mask); if ((channel_op == ExtractChannelOp) && (channels == 1)) (void) SetImageColorspace(destination_image,GRAYColorspace,exception); status=SetImageStorageClass(destination_image,DirectClass,exception); if (status == MagickFalse) { destination_image=DestroyImageList(destination_image); return(destination_image); } canvas=CloneImage(source_image,0,0,MagickTrue,exception); if (canvas == (Image *) NULL) { destination_image=DestroyImageList(destination_image); return(destination_image); } AppendImageToList(&destination_image,canvas); destination_image=GetLastImageInList(destination_image); GetMagickToken(p,&p,token); channels=0; destination_channel=RedPixelChannel; channel_mask=UndefinedChannel; break; } default: break; } i=ParsePixelChannelOption(token); if (i < 0) { (void) ThrowMagickException(exception,GetMagickModule(),OptionError, "UnrecognizedChannelType","`%s'",token); destination_image=DestroyImageList(destination_image); return(destination_image); } source_channel=(PixelChannel) i; channel_op=ExtractChannelOp; GetMagickToken(p,&p,token); if (*token == '<') { channel_op=ExchangeChannelOp; GetMagickToken(p,&p,token); } if (*token == '=') { if (channel_op != ExchangeChannelOp) channel_op=AssignChannelOp; GetMagickToken(p,&p,token); } if (*token == '>') { if (channel_op != ExchangeChannelOp) channel_op=TransferChannelOp; GetMagickToken(p,&p,token); } switch (channel_op) { case AssignChannelOp: { pixel=StringToDoubleInterval(token,(double) QuantumRange+1.0); GetMagickToken(p,&p,token); break; } case ExchangeChannelOp: case TransferChannelOp: { i=ParsePixelChannelOption(token); if (i < 0) { (void) ThrowMagickException(exception,GetMagickModule(),OptionError, "UnrecognizedChannelType","`%s'",token); destination_image=DestroyImageList(destination_image); return(destination_image); } destination_channel=(PixelChannel) i; switch (destination_channel) { case RedPixelChannel: case GreenPixelChannel: case BluePixelChannel: case BlackPixelChannel: case IndexPixelChannel: break; case AlphaPixelChannel: { destination_image->alpha_trait=BlendPixelTrait; break; } case ReadMaskPixelChannel: { destination_image->read_mask=MagickTrue; break; } case WriteMaskPixelChannel: { destination_image->write_mask=MagickTrue; break; } case MetaPixelChannel: default: { (void) SetPixelMetaChannels(destination_image,(size_t) (i- GetPixelChannels(destination_image)+1),exception); break; } } channel_mask=(ChannelType) (channel_mask | ParseChannelOption(token)); if (((channels >= 1) || (destination_channel >= 1)) && (IsGrayColorspace(destination_image->colorspace) != MagickFalse)) (void) SetImageColorspace(destination_image,sRGBColorspace,exception); GetMagickToken(p,&p,token); break; } default: break; } status=ChannelImage(destination_image,destination_channel,channel_op, source_image,source_channel,ClampToQuantum(pixel),exception); if (status == MagickFalse) { destination_image=DestroyImageList(destination_image); break; } channels++; if (channel_op == ExchangeChannelOp) { status=ChannelImage(destination_image,source_channel,channel_op, source_image,destination_channel,ClampToQuantum(pixel),exception); if (status == MagickFalse) { destination_image=DestroyImageList(destination_image); break; } channels++; } switch (channel_op) { case ExtractChannelOp: { channel_mask=(ChannelType) (channel_mask | (1 << destination_channel)); destination_channel=(PixelChannel) (destination_channel+1); break; } default: break; } status=SetImageProgress(source_image,ChannelFxImageTag,p-expression, strlen(expression)); if (status == MagickFalse) break; } SetPixelChannelMask(destination_image,channel_mask); if ((channel_op == ExtractChannelOp) && (channels == 1)) (void) SetImageColorspace(destination_image,GRAYColorspace,exception); status=SetImageStorageClass(destination_image,DirectClass,exception); if (status == MagickFalse) { destination_image=GetLastImageInList(destination_image); return((Image *) NULL); } return(GetFirstImageInList(destination_image)); }
WandExport MagickBooleanType CompareImagesCommand(ImageInfo *image_info, int argc,char **argv,char **metadata,ExceptionInfo *exception) { #define CompareEpsilon (1.0e-06) #define DefaultDissimilarityThreshold 0.31830988618379067154 #define DefaultSimilarityThreshold (-1.0) #define DestroyCompare() \ { \ if (similarity_image != (Image *) NULL) \ similarity_image=DestroyImageList(similarity_image); \ if (difference_image != (Image *) NULL) \ difference_image=DestroyImageList(difference_image); \ DestroyImageStack(); \ for (i=0; i < (ssize_t) argc; i++) \ argv[i]=DestroyString(argv[i]); \ argv=(char **) RelinquishMagickMemory(argv); \ } #define ThrowCompareException(asperity,tag,option) \ { \ if (exception->severity < (asperity)) \ (void) ThrowMagickException(exception,GetMagickModule(),asperity,tag, \ "`%s'",option); \ DestroyCompare(); \ return(MagickFalse); \ } #define ThrowCompareInvalidArgumentException(option,argument) \ { \ (void) ThrowMagickException(exception,GetMagickModule(),OptionError, \ "InvalidArgument","'%s': %s",option,argument); \ DestroyCompare(); \ return(MagickFalse); \ } char *filename, *option; const char *format; double dissimilarity_threshold, distortion, similarity_metric, similarity_threshold; Image *difference_image, *image, *reconstruct_image, *similarity_image; ImageStack image_stack[MaxImageStackDepth+1]; MagickBooleanType fire, pend, respect_parenthesis, subimage_search; MagickStatusType status; MetricType metric; RectangleInfo offset; register ssize_t i; ssize_t j, k; /* Set defaults. */ assert(image_info != (ImageInfo *) NULL); assert(image_info->signature == MagickCoreSignature); 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)) { ListMagickVersion(stdout); return(MagickFalse); } } if (argc < 3) return(CompareUsage()); difference_image=NewImageList(); similarity_image=NewImageList(); dissimilarity_threshold=DefaultDissimilarityThreshold; similarity_threshold=DefaultSimilarityThreshold; distortion=0.0; format=(char *) NULL; j=1; k=0; metric=UndefinedErrorMetric; NewImageStack(); option=(char *) NULL; pend=MagickFalse; reconstruct_image=NewImageList(); respect_parenthesis=MagickFalse; status=MagickTrue; subimage_search=MagickFalse; /* Compare an image. */ ReadCommandlLine(argc,&argv); status=ExpandFilenames(&argc,&argv); if (status == MagickFalse) ThrowCompareException(ResourceLimitError,"MemoryAllocationFailed", GetExceptionMessage(errno)); for (i=1; i < (ssize_t) (argc-1); i++) { option=argv[i]; if (LocaleCompare(option,"(") == 0) { FireImageStack(MagickTrue,MagickTrue,pend); if (k == MaxImageStackDepth) ThrowCompareException(OptionError,"ParenthesisNestedTooDeeply", option); PushImageStack(); continue; } if (LocaleCompare(option,")") == 0) { FireImageStack(MagickTrue,MagickTrue,MagickTrue); if (k == 0) ThrowCompareException(OptionError,"UnableToParseExpression",option); PopImageStack(); continue; } if (IsCommandOption(option) == MagickFalse) { Image *images; /* Read input image. */ FireImageStack(MagickFalse,MagickFalse,pend); filename=argv[i]; if ((LocaleCompare(filename,"--") == 0) && (i < (ssize_t) (argc-1))) filename=argv[++i]; images=ReadImages(image_info,filename,exception); status&=(images != (Image *) NULL) && (exception->severity < ErrorException); if (images == (Image *) NULL) continue; AppendImageStack(images); continue; } pend=image != (Image *) NULL ? MagickTrue : MagickFalse; switch (*(option+1)) { case 'a': { if (LocaleCompare("alpha",option+1) == 0) { ssize_t type; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); type=ParseCommandOption(MagickAlphaChannelOptions,MagickFalse,argv[i]); if (type < 0) ThrowCompareException(OptionError,"UnrecognizedAlphaChannelOption", argv[i]); break; } if (LocaleCompare("authenticate",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); break; } ThrowCompareException(OptionError,"UnrecognizedOption",option); } case 'c': { if (LocaleCompare("cache",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowCompareInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("channel",option+1) == 0) { ssize_t channel; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); channel=ParseChannelOption(argv[i]); if (channel < 0) ThrowCompareException(OptionError,"UnrecognizedChannelType", argv[i]); (void) SetPixelChannelMask(image,(ChannelType) channel); break; } if (LocaleCompare("colorspace",option+1) == 0) { ssize_t colorspace; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); colorspace=ParseCommandOption(MagickColorspaceOptions,MagickFalse, argv[i]); if (colorspace < 0) ThrowCompareException(OptionError,"UnrecognizedColorspace", argv[i]); break; } if (LocaleCompare("compose",option+1) == 0) { ssize_t compose; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); compose=ParseCommandOption(MagickComposeOptions,MagickFalse, argv[i]); if (compose < 0) ThrowCompareException(OptionError,"UnrecognizedComposeOperator", argv[i]); break; } if (LocaleCompare("compress",option+1) == 0) { ssize_t compress; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); compress=ParseCommandOption(MagickCompressOptions,MagickFalse, argv[i]); if (compress < 0) ThrowCompareException(OptionError,"UnrecognizedImageCompression", argv[i]); break; } if (LocaleCompare("concurrent",option+1) == 0) break; ThrowCompareException(OptionError,"UnrecognizedOption",option) } case 'd': { if (LocaleCompare("debug",option+1) == 0) { LogEventType event_mask; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); event_mask=SetLogEventMask(argv[i]); if (event_mask == UndefinedEvents) ThrowCompareException(OptionError,"UnrecognizedEventType", argv[i]); break; } if (LocaleCompare("decipher",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); break; } if (LocaleCompare("define",option+1) == 0) { i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); if (*option == '+') { const char *define; define=GetImageOption(image_info,argv[i]); if (define == (const char *) NULL) ThrowCompareException(OptionError,"NoSuchOption",argv[i]); break; } break; } if (LocaleCompare("density",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowCompareInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("depth",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowCompareInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("dissimilarity-threshold",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowCompareInvalidArgumentException(option,argv[i]); if (*option == '+') dissimilarity_threshold=DefaultDissimilarityThreshold; else dissimilarity_threshold=StringToDouble(argv[i],(char **) NULL); break; } if (LocaleCompare("duration",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowCompareInvalidArgumentException(option,argv[i]); break; } ThrowCompareException(OptionError,"UnrecognizedOption",option) } case 'e': { if (LocaleCompare("encipher",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); break; } if (LocaleCompare("extract",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowCompareInvalidArgumentException(option,argv[i]); break; } ThrowCompareException(OptionError,"UnrecognizedOption",option) } case 'f': { if (LocaleCompare("format",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); format=argv[i]; break; } if (LocaleCompare("fuzz",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowCompareInvalidArgumentException(option,argv[i]); break; } ThrowCompareException(OptionError,"UnrecognizedOption",option) } case 'h': { if ((LocaleCompare("help",option+1) == 0) || (LocaleCompare("-help",option+1) == 0)) return(CompareUsage()); if (LocaleCompare("highlight-color",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); break; } ThrowCompareException(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) ThrowCompareException(OptionError,"MissingArgument",option); interlace=ParseCommandOption(MagickInterlaceOptions,MagickFalse, argv[i]); if (interlace < 0) ThrowCompareException(OptionError,"UnrecognizedInterlaceType", argv[i]); break; } ThrowCompareException(OptionError,"UnrecognizedOption",option) } case 'l': { if (LocaleCompare("limit",option+1) == 0) { char *p; double value; ssize_t resource; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); resource=ParseCommandOption(MagickResourceOptions,MagickFalse, argv[i]); if (resource < 0) ThrowCompareException(OptionError,"UnrecognizedResourceType", argv[i]); i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); value=StringToDouble(argv[i],&p); (void) value; if ((p == argv[i]) && (LocaleCompare("unlimited",argv[i]) != 0)) ThrowCompareInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("list",option+1) == 0) { ssize_t list; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); list=ParseCommandOption(MagickListOptions,MagickFalse,argv[i]); if (list < 0) ThrowCompareException(OptionError,"UnrecognizedListType",argv[i]); status=MogrifyImageInfo(image_info,(int) (i-j+1),(const char **) argv+j,exception); DestroyCompare(); return(status == 0 ? MagickTrue : MagickFalse); } if (LocaleCompare("log",option+1) == 0) { if (*option == '+') break; i++; if ((i == (ssize_t) argc) || (strchr(argv[i],'%') == (char *) NULL)) ThrowCompareException(OptionError,"MissingArgument",option); break; } if (LocaleCompare("lowlight-color",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); break; } ThrowCompareException(OptionError,"UnrecognizedOption",option) } case 'm': { if (LocaleCompare("matte",option+1) == 0) break; if (LocaleCompare("metric",option+1) == 0) { ssize_t type; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); type=ParseCommandOption(MagickMetricOptions,MagickTrue,argv[i]); if (type < 0) ThrowCompareException(OptionError,"UnrecognizedMetricType", argv[i]); metric=(MetricType) type; break; } if (LocaleCompare("monitor",option+1) == 0) break; ThrowCompareException(OptionError,"UnrecognizedOption",option) } case 'p': { if (LocaleCompare("profile",option+1) == 0) { i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); break; } ThrowCompareException(OptionError,"UnrecognizedOption",option) } case 'q': { if (LocaleCompare("quality",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowCompareInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("quantize",option+1) == 0) { ssize_t colorspace; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); colorspace=ParseCommandOption(MagickColorspaceOptions, MagickFalse,argv[i]); if (colorspace < 0) ThrowCompareException(OptionError,"UnrecognizedColorspace", argv[i]); break; } if (LocaleCompare("quiet",option+1) == 0) break; ThrowCompareException(OptionError,"UnrecognizedOption",option) } case 'r': { if (LocaleCompare("regard-warnings",option+1) == 0) break; if (LocaleNCompare("respect-parentheses",option+1,17) == 0) { respect_parenthesis=(*option == '-') ? MagickTrue : MagickFalse; break; } ThrowCompareException(OptionError,"UnrecognizedOption",option) } case 's': { if (LocaleCompare("sampling-factor",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowCompareInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("seed",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowCompareInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("set",option+1) == 0) { i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); break; } if (LocaleCompare("similarity-threshold",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowCompareInvalidArgumentException(option,argv[i]); if (*option == '+') similarity_threshold=DefaultSimilarityThreshold; else similarity_threshold=StringToDouble(argv[i],(char **) NULL); break; } if (LocaleCompare("size",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); if (IsGeometry(argv[i]) == MagickFalse) ThrowCompareInvalidArgumentException(option,argv[i]); break; } if (LocaleCompare("subimage-search",option+1) == 0) { if (*option == '+') { subimage_search=MagickFalse; break; } subimage_search=MagickTrue; break; } if (LocaleCompare("synchronize",option+1) == 0) break; ThrowCompareException(OptionError,"UnrecognizedOption",option) } case 't': { if (LocaleCompare("taint",option+1) == 0) break; if (LocaleCompare("transparent-color",option+1) == 0) { if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); break; } if (LocaleCompare("type",option+1) == 0) { ssize_t type; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); type=ParseCommandOption(MagickTypeOptions,MagickFalse,argv[i]); if (type < 0) ThrowCompareException(OptionError,"UnrecognizedImageType", argv[i]); break; } ThrowCompareException(OptionError,"UnrecognizedOption",option) } case 'v': { if (LocaleCompare("verbose",option+1) == 0) break; if ((LocaleCompare("version",option+1) == 0) || (LocaleCompare("-version",option+1) == 0)) { ListMagickVersion(stdout); break; } if (LocaleCompare("virtual-pixel",option+1) == 0) { ssize_t method; if (*option == '+') break; i++; if (i == (ssize_t) argc) ThrowCompareException(OptionError,"MissingArgument",option); method=ParseCommandOption(MagickVirtualPixelOptions,MagickFalse, argv[i]); if (method < 0) ThrowCompareException(OptionError, "UnrecognizedVirtualPixelMethod",argv[i]); break; } ThrowCompareException(OptionError,"UnrecognizedOption",option) } case '?': break; default: ThrowCompareException(OptionError,"UnrecognizedOption",option) } fire=(GetCommandOptionFlags(MagickCommandOptions,MagickFalse,option) & FireOptionFlag) == 0 ? MagickFalse : MagickTrue; if (fire != MagickFalse) FireImageStack(MagickTrue,MagickTrue,MagickTrue); } if (k != 0) ThrowCompareException(OptionError,"UnbalancedParenthesis",argv[i]); if (i-- != (ssize_t) (argc-1)) ThrowCompareException(OptionError,"MissingAnImageFilename",argv[i]); if ((image == (Image *) NULL) || (GetImageListLength(image) < 2)) ThrowCompareException(OptionError,"MissingAnImageFilename",argv[i]); FinalizeImageSettings(image_info,image,MagickTrue); if ((image == (Image *) NULL) || (GetImageListLength(image) < 2)) ThrowCompareException(OptionError,"MissingAnImageFilename",argv[i]); image=GetImageFromList(image,0); reconstruct_image=GetImageFromList(image,1); offset.x=0; offset.y=0; if (subimage_search != MagickFalse) { similarity_image=SimilarityImage(image,reconstruct_image,metric, similarity_threshold,&offset,&similarity_metric,exception); if (similarity_metric > dissimilarity_threshold) ThrowCompareException(ImageError,"ImagesTooDissimilar",image->filename); } if ((reconstruct_image->columns == image->columns) && (reconstruct_image->rows == image->rows)) difference_image=CompareImages(image,reconstruct_image,metric,&distortion, exception); else if (similarity_image == (Image *) NULL) { if (metric == PerceptualHashErrorMetric) difference_image=CompareImages(image,reconstruct_image,metric, &distortion,exception); else ThrowCompareException(OptionError,"ImageWidthsOrHeightsDiffer", image->filename); } else { Image *composite_image; /* Determine if reconstructed image is a subimage of the image. */ composite_image=CloneImage(image,0,0,MagickTrue,exception); if (composite_image == (Image *) NULL) difference_image=CompareImages(image,reconstruct_image,metric, &distortion,exception); else { Image *distort_image; RectangleInfo page; (void) CompositeImage(composite_image,reconstruct_image, CopyCompositeOp,MagickTrue,offset.x,offset.y,exception); difference_image=CompareImages(image,composite_image,metric, &distortion,exception); if (difference_image != (Image *) NULL) { difference_image->page.x=offset.x; difference_image->page.y=offset.y; } composite_image=DestroyImage(composite_image); page.width=reconstruct_image->columns; page.height=reconstruct_image->rows; page.x=offset.x; page.y=offset.y; distort_image=CropImage(image,&page,exception); if (distort_image != (Image *) NULL) { Image *sans_image; sans_image=CompareImages(distort_image,reconstruct_image,metric, &distortion,exception); distort_image=DestroyImage(distort_image); if (sans_image != (Image *) NULL) sans_image=DestroyImage(sans_image); } } if (difference_image != (Image *) NULL) { AppendImageToList(&difference_image,similarity_image); similarity_image=(Image *) NULL; } } if (difference_image == (Image *) NULL) status=0; else { if (image_info->verbose != MagickFalse) (void) SetImageColorMetric(image,reconstruct_image,exception); if (*difference_image->magick == '\0') (void) CopyMagickString(difference_image->magick,image->magick, MagickPathExtent); if (image_info->verbose == MagickFalse) { switch (metric) { case FuzzErrorMetric: case MeanAbsoluteErrorMetric: case MeanSquaredErrorMetric: case PeakAbsoluteErrorMetric: case RootMeanSquaredErrorMetric: { (void) FormatLocaleFile(stderr,"%g (%g)",QuantumRange*distortion, (double) distortion); break; } case AbsoluteErrorMetric: case NormalizedCrossCorrelationErrorMetric: case PeakSignalToNoiseRatioErrorMetric: case PerceptualHashErrorMetric: { (void) FormatLocaleFile(stderr,"%g",distortion); break; } case MeanErrorPerPixelErrorMetric: { (void) FormatLocaleFile(stderr,"%g (%g, %g)",distortion, image->error.normalized_mean_error, image->error.normalized_maximum_error); break; } case UndefinedErrorMetric: break; } if (subimage_search != MagickFalse) (void) FormatLocaleFile(stderr," @ %.20g,%.20g",(double) difference_image->page.x,(double) difference_image->page.y); } else { double *channel_distortion; channel_distortion=GetImageDistortions(image,reconstruct_image, metric,exception); (void) FormatLocaleFile(stderr,"Image: %s\n",image->filename); if ((reconstruct_image->columns != image->columns) || (reconstruct_image->rows != image->rows)) (void) FormatLocaleFile(stderr,"Offset: %.20g,%.20g\n",(double) difference_image->page.x,(double) difference_image->page.y); (void) FormatLocaleFile(stderr," Channel distortion: %s\n", CommandOptionToMnemonic(MagickMetricOptions,(ssize_t) metric)); switch (metric) { case FuzzErrorMetric: case MeanAbsoluteErrorMetric: case MeanSquaredErrorMetric: case PeakAbsoluteErrorMetric: case RootMeanSquaredErrorMetric: { switch (image->colorspace) { case RGBColorspace: default: { (void) FormatLocaleFile(stderr," red: %g (%g)\n", QuantumRange*channel_distortion[RedPixelChannel], channel_distortion[RedPixelChannel]); (void) FormatLocaleFile(stderr," green: %g (%g)\n", QuantumRange*channel_distortion[GreenPixelChannel], channel_distortion[GreenPixelChannel]); (void) FormatLocaleFile(stderr," blue: %g (%g)\n", QuantumRange*channel_distortion[BluePixelChannel], channel_distortion[BluePixelChannel]); if (image->alpha_trait != UndefinedPixelTrait) (void) FormatLocaleFile(stderr," alpha: %g (%g)\n", QuantumRange*channel_distortion[AlphaPixelChannel], channel_distortion[AlphaPixelChannel]); break; } case CMYKColorspace: { (void) FormatLocaleFile(stderr," cyan: %g (%g)\n", QuantumRange*channel_distortion[CyanPixelChannel], channel_distortion[CyanPixelChannel]); (void) FormatLocaleFile(stderr," magenta: %g (%g)\n", QuantumRange*channel_distortion[MagentaPixelChannel], channel_distortion[MagentaPixelChannel]); (void) FormatLocaleFile(stderr," yellow: %g (%g)\n", QuantumRange*channel_distortion[YellowPixelChannel], channel_distortion[YellowPixelChannel]); (void) FormatLocaleFile(stderr," black: %g (%g)\n", QuantumRange*channel_distortion[BlackPixelChannel], channel_distortion[BlackPixelChannel]); if (image->alpha_trait != UndefinedPixelTrait) (void) FormatLocaleFile(stderr," alpha: %g (%g)\n", QuantumRange*channel_distortion[AlphaPixelChannel], channel_distortion[AlphaPixelChannel]); break; } case GRAYColorspace: { (void) FormatLocaleFile(stderr," gray: %g (%g)\n", QuantumRange*channel_distortion[GrayPixelChannel], channel_distortion[GrayPixelChannel]); if (image->alpha_trait != UndefinedPixelTrait) (void) FormatLocaleFile(stderr," alpha: %g (%g)\n", QuantumRange*channel_distortion[AlphaPixelChannel], channel_distortion[AlphaPixelChannel]); break; } } (void) FormatLocaleFile(stderr," all: %g (%g)\n", QuantumRange*channel_distortion[MaxPixelChannels], channel_distortion[MaxPixelChannels]); break; } case AbsoluteErrorMetric: case NormalizedCrossCorrelationErrorMetric: case PeakSignalToNoiseRatioErrorMetric: case PerceptualHashErrorMetric: { switch (image->colorspace) { case RGBColorspace: default: { (void) FormatLocaleFile(stderr," red: %g\n", channel_distortion[RedPixelChannel]); (void) FormatLocaleFile(stderr," green: %g\n", channel_distortion[GreenPixelChannel]); (void) FormatLocaleFile(stderr," blue: %g\n", channel_distortion[BluePixelChannel]); if (image->alpha_trait != UndefinedPixelTrait) (void) FormatLocaleFile(stderr," alpha: %g\n", channel_distortion[AlphaPixelChannel]); break; } case CMYKColorspace: { (void) FormatLocaleFile(stderr," cyan: %g\n", channel_distortion[CyanPixelChannel]); (void) FormatLocaleFile(stderr," magenta: %g\n", channel_distortion[MagentaPixelChannel]); (void) FormatLocaleFile(stderr," yellow: %g\n", channel_distortion[YellowPixelChannel]); (void) FormatLocaleFile(stderr," black: %g\n", channel_distortion[BlackPixelChannel]); if (image->alpha_trait != UndefinedPixelTrait) (void) FormatLocaleFile(stderr," alpha: %g\n", channel_distortion[AlphaPixelChannel]); break; } case GRAYColorspace: { (void) FormatLocaleFile(stderr," gray: %g\n", channel_distortion[GrayPixelChannel]); if (image->alpha_trait != UndefinedPixelTrait) (void) FormatLocaleFile(stderr," alpha: %g\n", channel_distortion[AlphaPixelChannel]); break; } } (void) FormatLocaleFile(stderr," all: %g\n", channel_distortion[MaxPixelChannels]); break; } case MeanErrorPerPixelErrorMetric: { (void) FormatLocaleFile(stderr," %g (%g, %g)\n", channel_distortion[MaxPixelChannels], image->error.normalized_mean_error, image->error.normalized_maximum_error); break; } case UndefinedErrorMetric: break; } channel_distortion=(double *) RelinquishMagickMemory( channel_distortion); if (subimage_search != MagickFalse) (void) FormatLocaleFile(stderr," Offset: %.20g,%.20g\n",(double) difference_image->page.x,(double) difference_image->page.y); } status&=WriteImages(image_info,difference_image,argv[argc-1],exception); if ((metadata != (char **) NULL) && (format != (char *) NULL)) { char *text; text=InterpretImageProperties(image_info,difference_image,format, exception); if (text == (char *) NULL) ThrowCompareException(ResourceLimitError,"MemoryAllocationFailed", GetExceptionMessage(errno)); (void) ConcatenateString(&(*metadata),text); text=DestroyString(text); } difference_image=DestroyImageList(difference_image); } DestroyCompare(); if ((metric == NormalizedCrossCorrelationErrorMetric) || (metric == UndefinedErrorMetric)) { if (fabs(distortion-1.0) > CompareEpsilon) (void) SetImageOption(image_info,"compare:dissimilar","true"); } else if (fabs(distortion) > CompareEpsilon) (void) SetImageOption(image_info,"compare:dissimilar","true"); return(status != 0 ? MagickTrue : MagickFalse); }
MagickExport Image *MontageImageList(const ImageInfo *image_info, const MontageInfo *montage_info,const Image *images,ExceptionInfo *exception) { #define MontageImageTag "Montage/Image" #define TileImageTag "Tile/Image" char tile_geometry[MagickPathExtent], *title; const char *value; DrawInfo *draw_info; FrameInfo frame_info; Image *image, **image_list, **master_list, *montage, *texture, *tile_image, *thumbnail; ImageInfo *clone_info; MagickBooleanType concatenate, proceed, status; MagickOffsetType tiles; MagickProgressMonitor progress_monitor; MagickStatusType flags; register ssize_t i; RectangleInfo bounds, geometry, extract_info; size_t border_width, extent, height, images_per_page, max_height, number_images, number_lines, sans, tiles_per_column, tiles_per_page, tiles_per_row, title_offset, total_tiles, width; ssize_t bevel_width, tile, x, x_offset, y, y_offset; TypeMetric metrics; /* Create image tiles. */ assert(images != (Image *) NULL); assert(images->signature == MagickCoreSignature); if (images->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",images->filename); assert(montage_info != (MontageInfo *) NULL); assert(montage_info->signature == MagickCoreSignature); assert(exception != (ExceptionInfo *) NULL); assert(exception->signature == MagickCoreSignature); number_images=GetImageListLength(images); master_list=ImageListToArray(images,exception); image_list=master_list; image=image_list[0]; if (master_list == (Image **) NULL) ThrowImageException(ResourceLimitError,"MemoryAllocationFailed"); thumbnail=NewImageList(); for (i=0; i < (ssize_t) number_images; i++) { image=CloneImage(image_list[i],0,0,MagickTrue,exception); if (image == (Image *) NULL) break; (void) ParseAbsoluteGeometry("0x0+0+0",&image->page); progress_monitor=SetImageProgressMonitor(image,(MagickProgressMonitor) NULL, image->client_data); flags=ParseRegionGeometry(image,montage_info->geometry,&geometry,exception); thumbnail=ThumbnailImage(image,geometry.width,geometry.height,exception); if (thumbnail == (Image *) NULL) break; image_list[i]=thumbnail; (void) SetImageProgressMonitor(image,progress_monitor,image->client_data); proceed=SetImageProgress(image,TileImageTag,(MagickOffsetType) i, number_images); if (proceed == MagickFalse) break; image=DestroyImage(image); } if (i < (ssize_t) number_images) { if (thumbnail == (Image *) NULL) i--; for (tile=0; (ssize_t) tile <= i; tile++) if (image_list[tile] != (Image *) NULL) image_list[tile]=DestroyImage(image_list[tile]); master_list=(Image **) RelinquishMagickMemory(master_list); return((Image *) NULL); } /* Sort image list by increasing tile number. */ for (i=0; i < (ssize_t) number_images; i++) if (image_list[i]->scene == 0) break; if (i == (ssize_t) number_images) qsort((void *) image_list,(size_t) number_images,sizeof(*image_list), SceneCompare); /* Determine tiles per row and column. */ tiles_per_column=(size_t) sqrt((double) number_images); tiles_per_row=(size_t) ceil((double) number_images/tiles_per_column); x_offset=0; y_offset=0; if (montage_info->tile != (char *) NULL) GetMontageGeometry(montage_info->tile,number_images,&x_offset,&y_offset, &tiles_per_column,&tiles_per_row); /* Determine tile sizes. */ concatenate=MagickFalse; SetGeometry(image_list[0],&extract_info); extract_info.x=(ssize_t) montage_info->border_width; extract_info.y=(ssize_t) montage_info->border_width; if (montage_info->geometry != (char *) NULL) { /* Initialize tile geometry. */ flags=GetGeometry(montage_info->geometry,&extract_info.x,&extract_info.y, &extract_info.width,&extract_info.height); concatenate=((flags & RhoValue) == 0) && ((flags & SigmaValue) == 0) ? MagickTrue : MagickFalse; } border_width=montage_info->border_width; bevel_width=0; (void) ResetMagickMemory(&frame_info,0,sizeof(frame_info)); if (montage_info->frame != (char *) NULL) { char absolute_geometry[MagickPathExtent]; frame_info.width=extract_info.width; frame_info.height=extract_info.height; (void) FormatLocaleString(absolute_geometry,MagickPathExtent,"%s!", montage_info->frame); flags=ParseMetaGeometry(absolute_geometry,&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 & XiValue) == 0) frame_info.outer_bevel=(ssize_t) frame_info.width/2-1; if ((flags & PsiValue) == 0) frame_info.inner_bevel=frame_info.outer_bevel; frame_info.x=(ssize_t) frame_info.width; frame_info.y=(ssize_t) frame_info.height; bevel_width=(ssize_t) MagickMax(frame_info.inner_bevel, frame_info.outer_bevel); border_width=(size_t) MagickMax((ssize_t) frame_info.width, (ssize_t) frame_info.height); } for (i=0; i < (ssize_t) number_images; i++) { if (image_list[i]->columns > extract_info.width) extract_info.width=image_list[i]->columns; if (image_list[i]->rows > extract_info.height) extract_info.height=image_list[i]->rows; } /* Initialize draw attributes. */ clone_info=CloneImageInfo(image_info); clone_info->background_color=montage_info->background_color; clone_info->border_color=montage_info->border_color; draw_info=CloneDrawInfo(clone_info,(DrawInfo *) NULL); if (montage_info->font != (char *) NULL) (void) CloneString(&draw_info->font,montage_info->font); if (montage_info->pointsize != 0.0) draw_info->pointsize=montage_info->pointsize; draw_info->gravity=CenterGravity; draw_info->stroke=montage_info->stroke; draw_info->fill=montage_info->fill; draw_info->text=AcquireString(""); (void) GetTypeMetrics(image_list[0],draw_info,&metrics,exception); texture=NewImageList(); if (montage_info->texture != (char *) NULL) { (void) CopyMagickString(clone_info->filename,montage_info->texture, MagickPathExtent); texture=ReadImage(clone_info,exception); } /* Determine the number of lines in an next label. */ title=InterpretImageProperties(clone_info,image_list[0],montage_info->title, exception); title_offset=0; if (montage_info->title != (char *) NULL) title_offset=(size_t) (2*(metrics.ascent-metrics.descent)* MultilineCensus(title)+2*extract_info.y); number_lines=0; for (i=0; i < (ssize_t) number_images; i++) { value=GetImageProperty(image_list[i],"label",exception); if (value == (const char *) NULL) continue; if (MultilineCensus(value) > number_lines) number_lines=MultilineCensus(value); } /* Allocate next structure. */ tile_image=AcquireImage((ImageInfo *) NULL,exception); montage=AcquireImage(clone_info,exception); montage->background_color=montage_info->background_color; montage->scene=0; images_per_page=(number_images-1)/(tiles_per_row*tiles_per_column)+1; tiles=0; total_tiles=(size_t) number_images; for (i=0; i < (ssize_t) images_per_page; i++) { /* Determine bounding box. */ tiles_per_page=tiles_per_row*tiles_per_column; x_offset=0; y_offset=0; if (montage_info->tile != (char *) NULL) GetMontageGeometry(montage_info->tile,number_images,&x_offset,&y_offset, &sans,&sans); tiles_per_page=tiles_per_row*tiles_per_column; y_offset+=(ssize_t) title_offset; max_height=0; bounds.width=0; bounds.height=0; width=0; for (tile=0; tile < (ssize_t) tiles_per_page; tile++) { if (tile < (ssize_t) number_images) { width=concatenate != MagickFalse ? image_list[tile]->columns : extract_info.width; if (image_list[tile]->rows > max_height) max_height=image_list[tile]->rows; } x_offset+=(ssize_t) (width+2*(extract_info.x+border_width)); if (x_offset > (ssize_t) bounds.width) bounds.width=(size_t) x_offset; if (((tile+1) == (ssize_t) tiles_per_page) || (((tile+1) % tiles_per_row) == 0)) { x_offset=0; if (montage_info->tile != (char *) NULL) GetMontageGeometry(montage_info->tile,number_images,&x_offset,&y, &sans,&sans); height=concatenate != MagickFalse ? max_height : extract_info.height; y_offset+=(ssize_t) (height+(extract_info.y+(ssize_t) border_width)*2+ (metrics.ascent-metrics.descent+4)*number_lines+ (montage_info->shadow != MagickFalse ? 4 : 0)); if (y_offset > (ssize_t) bounds.height) bounds.height=(size_t) y_offset; max_height=0; } } if (montage_info->shadow != MagickFalse) bounds.width+=4; /* Initialize montage image. */ (void) CopyMagickString(montage->filename,montage_info->filename, MagickPathExtent); montage->columns=(size_t) MagickMax((ssize_t) bounds.width,1); montage->rows=(size_t) MagickMax((ssize_t) bounds.height,1); (void) SetImageBackgroundColor(montage,exception); /* Set montage geometry. */ montage->montage=AcquireString((char *) NULL); tile=0; extent=1; while (tile < MagickMin((ssize_t) tiles_per_page,(ssize_t) number_images)) { extent+=strlen(image_list[tile]->filename)+1; tile++; } montage->directory=(char *) AcquireQuantumMemory(extent, sizeof(*montage->directory)); if ((montage->montage == (char *) NULL) || (montage->directory == (char *) NULL)) { if (montage->montage != (char *) NULL) montage->montage=(char *) RelinquishMagickMemory(montage->montage); if (montage->directory != (char *) NULL) montage->directory=(char *) RelinquishMagickMemory( montage->directory); ThrowImageException(ResourceLimitError,"MemoryAllocationFailed"); } x_offset=0; y_offset=0; if (montage_info->tile != (char *) NULL) GetMontageGeometry(montage_info->tile,number_images,&x_offset,&y_offset, &sans,&sans); y_offset+=(ssize_t) title_offset; (void) FormatLocaleString(montage->montage,MagickPathExtent, "%.20gx%.20g%+.20g%+.20g",(double) (extract_info.width+ (extract_info.x+border_width)*2),(double) (extract_info.height+ (extract_info.y+border_width)*2+(double) ((metrics.ascent- metrics.descent+4)*number_lines+(montage_info->shadow != MagickFalse ? 4 : 0))),(double) x_offset,(double) y_offset); *montage->directory='\0'; tile=0; while (tile < MagickMin((ssize_t) tiles_per_page,(ssize_t) number_images)) { (void) ConcatenateMagickString(montage->directory, image_list[tile]->filename,extent); (void) ConcatenateMagickString(montage->directory,"\n",extent); tile++; } progress_monitor=SetImageProgressMonitor(montage,(MagickProgressMonitor) NULL,montage->client_data); if (texture != (Image *) NULL) (void) TextureImage(montage,texture,exception); if (montage_info->title != (char *) NULL) { DrawInfo *draw_clone_info; TypeMetric tile_metrics; /* Annotate composite image with title. */ draw_clone_info=CloneDrawInfo(image_info,draw_info); draw_clone_info->gravity=CenterGravity; draw_clone_info->pointsize*=2.0; (void) GetTypeMetrics(image_list[0],draw_clone_info,&tile_metrics, exception); (void) FormatLocaleString(tile_geometry,MagickPathExtent, "%.20gx%.20g%+.20g%+.20g",(double) montage->columns,(double) (tile_metrics.ascent-tile_metrics.descent),0.0, (double) extract_info.y+4); (void) CloneString(&draw_clone_info->geometry,tile_geometry); (void) CloneString(&draw_clone_info->text,title); (void) AnnotateImage(montage,draw_clone_info,exception); draw_clone_info=DestroyDrawInfo(draw_clone_info); } (void) SetImageProgressMonitor(montage,progress_monitor, montage->client_data); /* Copy tile to the composite. */ x_offset=0; y_offset=0; if (montage_info->tile != (char *) NULL) GetMontageGeometry(montage_info->tile,number_images,&x_offset,&y_offset, &sans,&sans); x_offset+=extract_info.x; y_offset+=(ssize_t) title_offset+extract_info.y; max_height=0; status=MagickTrue; for (tile=0; tile < MagickMin((ssize_t) tiles_per_page,(ssize_t) number_images); tile++) { /* Copy this tile to the composite. */ image=CloneImage(image_list[tile],0,0,MagickTrue,exception); if (image == (Image *) NULL) ThrowImageException(ResourceLimitError,"MemoryAllocationFailed"); progress_monitor=SetImageProgressMonitor(image, (MagickProgressMonitor) NULL,image->client_data); width=concatenate != MagickFalse ? image->columns : extract_info.width; if (image->rows > max_height) max_height=image->rows; height=concatenate != MagickFalse ? max_height : extract_info.height; if (border_width != 0) { Image *border_image; RectangleInfo border_info; /* Put a border around the image. */ border_info.width=border_width; border_info.height=border_width; if (montage_info->frame != (char *) NULL) { border_info.width=(width-image->columns+1)/2; border_info.height=(height-image->rows+1)/2; } border_image=BorderImage(image,&border_info,image->compose,exception); if (border_image != (Image *) NULL) { image=DestroyImage(image); image=border_image; } if ((montage_info->frame != (char *) NULL) && (image->compose == DstOutCompositeOp)) { (void) SetPixelChannelMask(image,AlphaChannel); (void) NegateImage(image,MagickFalse,exception); (void) SetPixelChannelMask(image,DefaultChannels); } } /* Gravitate as specified by the tile gravity. */ tile_image->columns=width; tile_image->rows=height; tile_image->gravity=montage_info->gravity; if (image->gravity != UndefinedGravity) tile_image->gravity=image->gravity; (void) FormatLocaleString(tile_geometry,MagickPathExtent, "%.20gx%.20g+0+0",(double) image->columns,(double) image->rows); flags=ParseGravityGeometry(tile_image,tile_geometry,&geometry,exception); x=(ssize_t) (geometry.x+border_width); y=(ssize_t) (geometry.y+border_width); if ((montage_info->frame != (char *) NULL) && (bevel_width > 0)) { FrameInfo frame_clone; Image *frame_image; /* Put an ornamental border around this tile. */ frame_clone=frame_info; frame_clone.width=width+2*frame_info.width; frame_clone.height=height+2*frame_info.height; value=GetImageProperty(image,"label",exception); if (value != (const char *) NULL) frame_clone.height+=(size_t) ((metrics.ascent-metrics.descent+4)* MultilineCensus(value)); frame_image=FrameImage(image,&frame_clone,image->compose,exception); if (frame_image != (Image *) NULL) { image=DestroyImage(image); image=frame_image; } x=0; y=0; } if (LocaleCompare(image->magick,"NULL") != 0) { /* Composite background with tile. */ if (montage_info->shadow != MagickFalse) { Image *shadow_image; /* Shadow image. */ (void) QueryColorCompliance("#0000",AllCompliance, &image->background_color,exception); shadow_image=ShadowImage(image,80.0,2.0,5,5,exception); if (shadow_image != (Image *) NULL) { (void) CompositeImage(shadow_image,image,OverCompositeOp, MagickTrue,0,0,exception); image=DestroyImage(image); image=shadow_image; } } (void) CompositeImage(montage,image,image->compose,MagickTrue, x_offset+x,y_offset+y,exception); value=GetImageProperty(image,"label",exception); if (value != (const char *) NULL) { /* Annotate composite tile with label. */ (void) FormatLocaleString(tile_geometry,MagickPathExtent, "%.20gx%.20g%+.20g%+.20g",(double) ((montage_info->frame ? image->columns : width)-2*border_width),(double) (metrics.ascent-metrics.descent+4)*MultilineCensus(value), (double) (x_offset+border_width),(double) ((montage_info->frame ? y_offset+height+border_width+4 : y_offset+extract_info.height+border_width+ (montage_info->shadow != MagickFalse ? 4 : 0))+bevel_width)); (void) CloneString(&draw_info->geometry,tile_geometry); (void) CloneString(&draw_info->text,value); (void) AnnotateImage(montage,draw_info,exception); } } x_offset+=(ssize_t) (width+2*(extract_info.x+border_width)); if (((tile+1) == (ssize_t) tiles_per_page) || (((tile+1) % tiles_per_row) == 0)) { x_offset=extract_info.x; y_offset+=(ssize_t) (height+(extract_info.y+border_width)*2+ (metrics.ascent-metrics.descent+4)*number_lines+ (montage_info->shadow != MagickFalse ? 4 : 0)); max_height=0; } if (images->progress_monitor != (MagickProgressMonitor) NULL) { proceed=SetImageProgress(image,MontageImageTag,tiles,total_tiles); if (proceed == MagickFalse) status=MagickFalse; } image_list[tile]=DestroyImage(image_list[tile]); image=DestroyImage(image); tiles++; } (void) status; if ((i+1) < (ssize_t) images_per_page) { /* Allocate next image structure. */ AcquireNextImage(clone_info,montage,exception); if (GetNextImageInList(montage) == (Image *) NULL) { montage=DestroyImageList(montage); return((Image *) NULL); } montage=GetNextImageInList(montage); montage->background_color=montage_info->background_color; image_list+=tiles_per_page; number_images-=tiles_per_page; } } tile_image=DestroyImage(tile_image); if (texture != (Image *) NULL) texture=DestroyImage(texture); title=DestroyString(title); master_list=(Image **) RelinquishMagickMemory(master_list); draw_info=DestroyDrawInfo(draw_info); clone_info=DestroyImageInfo(clone_info); return(GetFirstImageInList(montage)); }
MagickExport MagickBooleanType SetImageAlphaChannel(Image *image, const AlphaChannelOption alpha_type,ExceptionInfo *exception) { CacheView *image_view; MagickBooleanType status; ssize_t y; assert(image != (Image *) NULL); if (image->debug != MagickFalse) (void) LogMagickEvent(TraceEvent,GetMagickModule(),"..."); assert(image->signature == MagickCoreSignature); status=MagickTrue; switch (alpha_type) { case ActivateAlphaChannel: { image->alpha_trait=BlendPixelTrait; break; } case AssociateAlphaChannel: { /* Associate alpha. */ status=SetImageStorageClass(image,DirectClass,exception); if (status == MagickFalse) break; image_view=AcquireAuthenticCacheView(image,exception); #if defined(MAGICKCORE_OPENMP_SUPPORT) #pragma omp parallel for schedule(static,4) shared(status) \ magick_threads(image,image,image->rows,1) #endif for (y=0; y < (ssize_t) image->rows; y++) { register Quantum *magick_restrict q; register ssize_t x; if (status == MagickFalse) continue; q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1, exception); if (q == (Quantum *) NULL) { status=MagickFalse; continue; } for (x=0; x < (ssize_t) image->columns; x++) { double gamma; register ssize_t i; if (GetPixelReadMask(image,q) == 0) { q+=GetPixelChannels(image); continue; } gamma=QuantumScale*GetPixelAlpha(image,q); for (i=0; i < (ssize_t) GetPixelChannels(image); i++) { PixelChannel channel=GetPixelChannelChannel(image,i); PixelTrait traits=GetPixelChannelTraits(image,channel); if (channel == AlphaPixelChannel) continue; if ((traits & UpdatePixelTrait) == 0) continue; q[i]=ClampToQuantum(gamma*q[i]); } q+=GetPixelChannels(image); } if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse) status=MagickFalse; } image_view=DestroyCacheView(image_view); image->alpha_trait=CopyPixelTrait; return(status); } case BackgroundAlphaChannel: { /* Set transparent pixels to background color. */ if (image->alpha_trait == UndefinedPixelTrait) break; status=SetImageStorageClass(image,DirectClass,exception); if (status == MagickFalse) break; image_view=AcquireAuthenticCacheView(image,exception); #if defined(MAGICKCORE_OPENMP_SUPPORT) #pragma omp parallel for schedule(static,4) shared(status) \ magick_threads(image,image,image->rows,1) #endif for (y=0; y < (ssize_t) image->rows; y++) { register Quantum *magick_restrict q; register ssize_t x; if (status == MagickFalse) continue; q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1, exception); if (q == (Quantum *) NULL) { status=MagickFalse; continue; } for (x=0; x < (ssize_t) image->columns; x++) { if (GetPixelAlpha(image,q) == TransparentAlpha) { SetPixelViaPixelInfo(image,&image->background_color,q); SetPixelChannel(image,AlphaPixelChannel,TransparentAlpha,q); } q+=GetPixelChannels(image); } if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse) status=MagickFalse; } image_view=DestroyCacheView(image_view); return(status); } case CopyAlphaChannel: case ShapeAlphaChannel: { /* Copy pixel intensity to the alpha channel. */ image->alpha_trait=UpdatePixelTrait; status=CompositeImage(image,image,IntensityCompositeOp,MagickTrue,0,0, exception); if (alpha_type == ShapeAlphaChannel) (void) LevelImageColors(image,&image->background_color, &image->background_color,MagickTrue,exception); break; } case DeactivateAlphaChannel: { if (image->alpha_trait == UndefinedPixelTrait) status=SetImageAlpha(image,OpaqueAlpha,exception); image->alpha_trait=CopyPixelTrait; break; } case DisassociateAlphaChannel: { /* Disassociate alpha. */ status=SetImageStorageClass(image,DirectClass,exception); if (status == MagickFalse) break; image->alpha_trait=BlendPixelTrait; image_view=AcquireAuthenticCacheView(image,exception); #if defined(MAGICKCORE_OPENMP_SUPPORT) #pragma omp parallel for schedule(static,4) shared(status) \ magick_threads(image,image,image->rows,1) #endif for (y=0; y < (ssize_t) image->rows; y++) { register Quantum *magick_restrict q; register ssize_t x; if (status == MagickFalse) continue; q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1, exception); if (q == (Quantum *) NULL) { status=MagickFalse; continue; } for (x=0; x < (ssize_t) image->columns; x++) { double gamma, Sa; register ssize_t i; if (GetPixelReadMask(image,q) == 0) { q+=GetPixelChannels(image); continue; } Sa=QuantumScale*GetPixelAlpha(image,q); gamma=PerceptibleReciprocal(Sa); for (i=0; i < (ssize_t) GetPixelChannels(image); i++) { PixelChannel channel=GetPixelChannelChannel(image,i); PixelTrait traits=GetPixelChannelTraits(image,channel); if (channel == AlphaPixelChannel) continue; if ((traits & UpdatePixelTrait) == 0) continue; q[i]=ClampToQuantum(gamma*q[i]); } q+=GetPixelChannels(image); } if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse) status=MagickFalse; } image_view=DestroyCacheView(image_view); image->alpha_trait=UndefinedPixelTrait; return(status); } case DiscreteAlphaChannel: { if (image->alpha_trait == UndefinedPixelTrait) status=SetImageAlpha(image,OpaqueAlpha,exception); image->alpha_trait=UpdatePixelTrait; break; } case ExtractAlphaChannel: { status=CompositeImage(image,image,AlphaCompositeOp,MagickTrue,0,0, exception); image->alpha_trait=UndefinedPixelTrait; break; } case OffAlphaChannel: { image->alpha_trait=UndefinedPixelTrait; break; } case OnAlphaChannel: { if (image->alpha_trait == UndefinedPixelTrait) status=SetImageAlpha(image,OpaqueAlpha,exception); image->alpha_trait=BlendPixelTrait; break; } case OpaqueAlphaChannel: { status=SetImageAlpha(image,OpaqueAlpha,exception); break; } case RemoveAlphaChannel: { /* Remove transparency. */ if (image->alpha_trait == UndefinedPixelTrait) break; status=SetImageStorageClass(image,DirectClass,exception); if (status == MagickFalse) break; image_view=AcquireAuthenticCacheView(image,exception); #if defined(MAGICKCORE_OPENMP_SUPPORT) #pragma omp parallel for schedule(static,4) shared(status) \ magick_threads(image,image,image->rows,1) #endif for (y=0; y < (ssize_t) image->rows; y++) { register Quantum *magick_restrict q; register ssize_t x; if (status == MagickFalse) continue; q=GetCacheViewAuthenticPixels(image_view,0,y,image->columns,1, exception); if (q == (Quantum *) NULL) { status=MagickFalse; continue; } for (x=0; x < (ssize_t) image->columns; x++) { FlattenPixelInfo(image,&image->background_color, image->background_color.alpha,q,(double) GetPixelAlpha(image,q),q); q+=GetPixelChannels(image); } if (SyncCacheViewAuthenticPixels(image_view,exception) == MagickFalse) status=MagickFalse; } image_view=DestroyCacheView(image_view); image->alpha_trait=image->background_color.alpha_trait; break; } case SetAlphaChannel: { if (image->alpha_trait == UndefinedPixelTrait) status=SetImageAlpha(image,OpaqueAlpha,exception); break; } case TransparentAlphaChannel: { status=SetImageAlpha(image,TransparentAlpha,exception); break; } case UndefinedAlphaChannel: break; } if (status == MagickFalse) return(status); (void) SetPixelChannelMask(image,image->channel_mask); return(SyncImagePixelCache(image,exception)); }