2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
6 % CCCC OOO M M PPPP AAA RRRR EEEEE %
7 % C O O MM MM P P A A R R E %
8 % C O O M M M PPPP AAAAA RRRR EEE %
9 % C O O M M P A A R R E %
10 % CCCC OOO M M P A A R R EEEEE %
13 % Image Comparison Methods %
20 % Copyright 1999-2010 ImageMagick Studio LLC, a non-profit organization %
21 % dedicated to making software imaging solutions freely available. %
23 % You may not use this file except in compliance with the License. You may %
24 % obtain a copy of the License at %
26 % http://www.imagemagick.org/script/license.php %
28 % Unless required by applicable law or agreed to in writing, software %
29 % distributed under the License is distributed on an "AS IS" BASIS, %
30 % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
31 % See the License for the specific language governing permissions and %
32 % limitations under the License. %
34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
36 % Use the compare program to mathematically and visually annotate the
37 % difference between an image and its reconstruction.
44 #include "wand/studio.h"
45 #include "wand/MagickWand.h"
46 #include "wand/mogrify-private.h"
47 #include "magick/string-private.h"
50 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
54 % C o m p a r e I m a g e C o m m a n d %
58 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
60 % CompareImageCommand() compares two images and returns the difference between
61 % them as a distortion metric and as a new image visually annotating their
64 % The format of the CompareImageCommand method is:
66 % MagickBooleanType CompareImageCommand(ImageInfo *image_info,int argc,
67 % char **argv,char **metadata,ExceptionInfo *exception)
69 % A description of each parameter follows:
71 % o image_info: the image info.
73 % o argc: the number of elements in the argument vector.
75 % o argv: A text array containing the command line arguments.
77 % o metadata: any metadata is returned here.
79 % o exception: return any errors or warnings in this structure.
83 static MagickBooleanType CompareUsage(void)
91 "-debug events display copious debugging information",
92 "-help print program options",
93 "-list type print a list of supported option arguments",
94 "-log format format of debugging information",
99 "-alpha option on, activate, off, deactivate, set, opaque, copy",
100 " transparent, extract, background, or shape",
101 "-authenticate password",
102 " decipher image with this password",
103 "-channel type apply option to select image channels",
104 "-colorspace type alternate image colorspace",
105 "-compose operator set image composite operator",
106 "-compress type type of pixel compression when writing the image",
107 "-decipher filename convert cipher pixels to plain pixels",
108 "-define format:option",
109 " define one or more image format options",
110 "-density geometry horizontal and vertical density of the image",
111 "-depth value image depth",
112 "-dissimilarity-threshold value",
113 " maximum RMSE for (sub)image match",
114 "-encipher filename convert plain pixels to cipher pixels",
115 "-extract geometry extract area from image",
116 "-format \"string\" output formatted image characteristics",
117 "-fuzz distance colors within this distance are considered equal",
118 "-highlight-color color",
119 " empasize pixel differences with this color",
120 "-identify identify the format and characteristics of the image",
121 "-interlace type type of image interlacing scheme",
122 "-limit type value pixel cache resource limit",
123 "-lowlight-color color",
124 " de-emphasize pixel differences with this color",
125 "-metric type measure differences between images with this metric",
126 "-monitor monitor progress",
127 "-passphrase filename get the passphrase from this file",
128 "-profile filename add, delete, or apply an image profile",
129 "-quality value JPEG/MIFF/PNG compression level",
130 "-quiet suppress all warning messages",
131 "-quantize colorspace reduce colors in this colorspace",
132 "-regard-warnings pay attention to warning messages",
133 "-respect-parentheses settings remain in effect until parenthesis boundary",
134 "-sampling-factor geometry",
135 " horizontal and vertical sampling factor",
136 "-seed value seed a new sequence of pseudo-random numbers",
137 "-set attribute value set an image attribute",
138 "-quality value JPEG/MIFF/PNG compression level",
139 "-size geometry width and height of image",
140 "-transparent-color color",
141 " transparent color",
142 "-type type image type",
143 "-verbose print detailed information about the image",
144 "-version print version information",
145 "-virtual-pixel method",
146 " virtual pixel access method",
150 (void) printf("Version: %s\n",GetMagickVersion((size_t *) NULL));
151 (void) printf("Copyright: %s\n",GetMagickCopyright());
152 (void) printf("Features: %s\n\n",GetMagickFeatures());
153 (void) printf("Usage: %s [options ...] image reconstruct difference\n",
155 (void) printf("\nImage Settings:\n");
156 for (p=settings; *p != (char *) NULL; p++)
157 (void) printf(" %s\n",*p);
158 (void) printf("\nMiscellaneous Options:\n");
159 for (p=miscellaneous; *p != (char *) NULL; p++)
160 (void) printf(" %s\n",*p);
162 "\nBy default, the image format of `file' is determined by its magic\n");
164 "number. To specify a particular image format, precede the filename\n");
166 "with an image format name and a colon (i.e. ps:image) or specify the\n");
168 "image type as the filename suffix (i.e. image.ps). Specify 'file' as\n");
169 (void) printf("'-' for standard input or output.\n");
173 WandExport MagickBooleanType CompareImageCommand(ImageInfo *image_info,
174 int argc,char **argv,char **metadata,ExceptionInfo *exception)
176 #define DefaultDissimilarityThreshold 0.31830988618379067154
177 #define DestroyCompare() \
179 if (similarity_image != (Image *) NULL) \
180 similarity_image=DestroyImageList(similarity_image); \
181 if (difference_image != (Image *) NULL) \
182 difference_image=DestroyImageList(difference_image); \
183 DestroyImageStack(); \
184 for (i=0; i < (ssize_t) argc; i++) \
185 argv[i]=DestroyString(argv[i]); \
186 argv=(char **) RelinquishMagickMemory(argv); \
188 #define ThrowCompareException(asperity,tag,option) \
190 if (exception->severity < (asperity)) \
191 (void) ThrowMagickException(exception,GetMagickModule(),asperity,tag, \
194 return(MagickFalse); \
196 #define ThrowCompareInvalidArgumentException(option,argument) \
198 (void) ThrowMagickException(exception,GetMagickModule(),OptionError, \
199 "InvalidArgument","`%s': %s",option,argument); \
201 return(MagickFalse); \
215 dissimilarity_threshold,
226 image_stack[MaxImageStackDepth+1];
251 assert(image_info != (ImageInfo *) NULL);
252 assert(image_info->signature == MagickSignature);
253 if (image_info->debug != MagickFalse)
254 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
255 assert(exception != (ExceptionInfo *) NULL);
259 if ((LocaleCompare("version",option+1) == 0) ||
260 (LocaleCompare("-version",option+1) == 0))
262 (void) fprintf(stdout,"Version: %s\n",
263 GetMagickVersion((size_t *) NULL));
264 (void) fprintf(stdout,"Copyright: %s\n",GetMagickCopyright());
265 (void) fprintf(stdout,"Features: %s\n\n",GetMagickFeatures());
270 return(CompareUsage());
271 channels=AllChannels;
272 difference_image=NewImageList();
273 similarity_image=NewImageList();
274 dissimilarity_threshold=DefaultDissimilarityThreshold;
276 format=(char *) NULL;
279 metric=UndefinedMetric;
281 option=(char *) NULL;
283 reconstruct_image=NewImageList();
288 ReadCommandlLine(argc,&argv);
289 status=ExpandFilenames(&argc,&argv);
290 if (status == MagickFalse)
291 ThrowCompareException(ResourceLimitError,"MemoryAllocationFailed",
292 GetExceptionMessage(errno));
293 for (i=1; i < (ssize_t) (argc-1); i++)
296 if (LocaleCompare(option,"(") == 0)
298 FireImageStack(MagickTrue,MagickTrue,pend);
299 if (k == MaxImageStackDepth)
300 ThrowCompareException(OptionError,"ParenthesisNestedTooDeeply",
305 if (LocaleCompare(option,")") == 0)
307 FireImageStack(MagickTrue,MagickTrue,MagickTrue);
309 ThrowCompareException(OptionError,"UnableToParseExpression",option);
313 if (IsMagickOption(option) == MagickFalse)
321 FireImageStack(MagickFalse,MagickFalse,pend);
323 if ((LocaleCompare(filename,"--") == 0) && (i < (ssize_t) (argc-1)))
325 (void) CopyMagickString(image_info->filename,filename,MaxTextExtent);
326 images=ReadImages(image_info,exception);
327 status&=(images != (Image *) NULL) &&
328 (exception->severity < ErrorException);
329 if (images == (Image *) NULL)
331 AppendImageStack(images);
334 pend=image != (Image *) NULL ? MagickTrue : MagickFalse;
339 if (LocaleCompare("alpha",option+1) == 0)
347 if (i == (ssize_t) argc)
348 ThrowCompareException(OptionError,"MissingArgument",option);
349 type=ParseMagickOption(MagickAlphaOptions,MagickFalse,argv[i]);
351 ThrowCompareException(OptionError,"UnrecognizedAlphaChannelType",
355 if (LocaleCompare("authenticate",option+1) == 0)
360 if (i == (ssize_t) argc)
361 ThrowCompareException(OptionError,"MissingArgument",option);
364 ThrowCompareException(OptionError,"UnrecognizedOption",option);
368 if (LocaleCompare("cache",option+1) == 0)
373 if (i == (ssize_t) argc)
374 ThrowCompareException(OptionError,"MissingArgument",option);
375 if (IsGeometry(argv[i]) == MagickFalse)
376 ThrowCompareInvalidArgumentException(option,argv[i]);
379 if (LocaleCompare("channel",option+1) == 0)
387 if (i == (ssize_t) (argc-1))
388 ThrowCompareException(OptionError,"MissingArgument",option);
389 channel=ParseChannelOption(argv[i]);
391 ThrowCompareException(OptionError,"UnrecognizedChannelType",
393 channels=(ChannelType) channel;
396 if (LocaleCompare("colorspace",option+1) == 0)
404 if (i == (ssize_t) (argc-1))
405 ThrowCompareException(OptionError,"MissingArgument",option);
406 colorspace=ParseMagickOption(MagickColorspaceOptions,MagickFalse,
409 ThrowCompareException(OptionError,"UnrecognizedColorspace",
413 if (LocaleCompare("compose",option+1) == 0)
421 if (i == (ssize_t) argc)
422 ThrowCompareException(OptionError,"MissingArgument",option);
423 compose=ParseMagickOption(MagickComposeOptions,MagickFalse,
426 ThrowCompareException(OptionError,"UnrecognizedComposeOperator",
430 if (LocaleCompare("compress",option+1) == 0)
438 if (i == (ssize_t) (argc-1))
439 ThrowCompareException(OptionError,"MissingArgument",option);
440 compress=ParseMagickOption(MagickCompressOptions,MagickFalse,
443 ThrowCompareException(OptionError,"UnrecognizedImageCompression",
447 if (LocaleCompare("concurrent",option+1) == 0)
449 ThrowCompareException(OptionError,"UnrecognizedOption",option)
453 if (LocaleCompare("debug",option+1) == 0)
461 if (i == (ssize_t) argc)
462 ThrowCompareException(OptionError,"MissingArgument",option);
463 event_mask=SetLogEventMask(argv[i]);
464 if (event_mask == UndefinedEvents)
465 ThrowCompareException(OptionError,"UnrecognizedEventType",
469 if (LocaleCompare("decipher",option+1) == 0)
474 if (i == (ssize_t) (argc-1))
475 ThrowCompareException(OptionError,"MissingArgument",option);
478 if (LocaleCompare("define",option+1) == 0)
481 if (i == (ssize_t) argc)
482 ThrowCompareException(OptionError,"MissingArgument",option);
488 define=GetImageOption(image_info,argv[i]);
489 if (define == (const char *) NULL)
490 ThrowCompareException(OptionError,"NoSuchOption",argv[i]);
495 if (LocaleCompare("density",option+1) == 0)
500 if (i == (ssize_t) argc)
501 ThrowCompareException(OptionError,"MissingArgument",option);
502 if (IsGeometry(argv[i]) == MagickFalse)
503 ThrowCompareInvalidArgumentException(option,argv[i]);
506 if (LocaleCompare("depth",option+1) == 0)
511 if (i == (ssize_t) argc)
512 ThrowCompareException(OptionError,"MissingArgument",option);
513 if (IsGeometry(argv[i]) == MagickFalse)
514 ThrowCompareInvalidArgumentException(option,argv[i]);
517 if (LocaleCompare("dissimilarity-threshold",option+1) == 0)
522 if (i == (ssize_t) argc)
523 ThrowCompareException(OptionError,"MissingArgument",option);
524 if (IsGeometry(argv[i]) == MagickFalse)
525 ThrowCompareInvalidArgumentException(option,argv[i]);
527 dissimilarity_threshold=DefaultDissimilarityThreshold;
529 dissimilarity_threshold=StringToDouble(argv[i]);
532 if (LocaleCompare("duration",option+1) == 0)
537 if (i == (ssize_t) (argc-1))
538 ThrowCompareException(OptionError,"MissingArgument",option);
539 if (IsGeometry(argv[i]) == MagickFalse)
540 ThrowCompareInvalidArgumentException(option,argv[i]);
543 ThrowCompareException(OptionError,"UnrecognizedOption",option)
547 if (LocaleCompare("encipher",option+1) == 0)
552 if (i == (ssize_t) (argc-1))
553 ThrowCompareException(OptionError,"MissingArgument",option);
556 if (LocaleCompare("extract",option+1) == 0)
561 if (i == (ssize_t) (argc-1))
562 ThrowCompareException(OptionError,"MissingArgument",option);
563 if (IsGeometry(argv[i]) == MagickFalse)
564 ThrowCompareInvalidArgumentException(option,argv[i]);
567 ThrowCompareException(OptionError,"UnrecognizedOption",option)
571 if (LocaleCompare("format",option+1) == 0)
576 if (i == (ssize_t) argc)
577 ThrowCompareException(OptionError,"MissingArgument",option);
581 if (LocaleCompare("fuzz",option+1) == 0)
586 if (i == (ssize_t) (argc-1))
587 ThrowCompareException(OptionError,"MissingArgument",option);
588 if (IsGeometry(argv[i]) == MagickFalse)
589 ThrowCompareInvalidArgumentException(option,argv[i]);
592 ThrowCompareException(OptionError,"UnrecognizedOption",option)
596 if ((LocaleCompare("help",option+1) == 0) ||
597 (LocaleCompare("-help",option+1) == 0))
598 return(CompareUsage());
599 if (LocaleCompare("highlight-color",option+1) == 0)
604 if (i == (ssize_t) (argc-1))
605 ThrowCompareException(OptionError,"MissingArgument",option);
608 ThrowCompareException(OptionError,"UnrecognizedOption",option)
612 if (LocaleCompare("identify",option+1) == 0)
614 if (LocaleCompare("interlace",option+1) == 0)
622 if (i == (ssize_t) argc)
623 ThrowCompareException(OptionError,"MissingArgument",option);
624 interlace=ParseMagickOption(MagickInterlaceOptions,MagickFalse,
627 ThrowCompareException(OptionError,"UnrecognizedInterlaceType",
631 ThrowCompareException(OptionError,"UnrecognizedOption",option)
635 if (LocaleCompare("limit",option+1) == 0)
649 if (i == (ssize_t) argc)
650 ThrowCompareException(OptionError,"MissingArgument",option);
651 resource=ParseMagickOption(MagickResourceOptions,MagickFalse,
654 ThrowCompareException(OptionError,"UnrecognizedResourceType",
657 if (i == (ssize_t) argc)
658 ThrowCompareException(OptionError,"MissingArgument",option);
659 value=strtod(argv[i],&p);
660 if ((p == argv[i]) && (LocaleCompare("unlimited",argv[i]) != 0))
661 ThrowCompareInvalidArgumentException(option,argv[i]);
664 if (LocaleCompare("list",option+1) == 0)
672 if (i == (ssize_t) argc)
673 ThrowCompareException(OptionError,"MissingArgument",option);
674 list=ParseMagickOption(MagickListOptions,MagickFalse,argv[i]);
676 ThrowCompareException(OptionError,"UnrecognizedListType",argv[i]);
677 status=MogrifyImageInfo(image_info,(int) (i-j+1),(const char **)
680 return(status != 0 ? MagickFalse : MagickTrue);
682 if (LocaleCompare("log",option+1) == 0)
687 if ((i == (ssize_t) argc) || (strchr(argv[i],'%') == (char *) NULL))
688 ThrowCompareException(OptionError,"MissingArgument",option);
691 if (LocaleCompare("lowlight-color",option+1) == 0)
696 if (i == (ssize_t) (argc-1))
697 ThrowCompareException(OptionError,"MissingArgument",option);
700 ThrowCompareException(OptionError,"UnrecognizedOption",option)
704 if (LocaleCompare("matte",option+1) == 0)
706 if (LocaleCompare("metric",option+1) == 0)
714 if (i == (ssize_t) argc)
715 ThrowCompareException(OptionError,"MissingArgument",option);
716 type=ParseMagickOption(MagickMetricOptions,MagickTrue,argv[i]);
718 ThrowCompareException(OptionError,"UnrecognizedMetricType",
720 metric=(MetricType) type;
723 if (LocaleCompare("monitor",option+1) == 0)
725 ThrowCompareException(OptionError,"UnrecognizedOption",option)
729 if (LocaleCompare("passphrase",option+1) == 0)
734 if (i == (ssize_t) argc)
735 ThrowCompareException(OptionError,"MissingArgument",option);
738 if (LocaleCompare("profile",option+1) == 0)
741 if (i == (ssize_t) (argc-1))
742 ThrowCompareException(OptionError,"MissingArgument",option);
745 ThrowCompareException(OptionError,"UnrecognizedOption",option)
749 if (LocaleCompare("quality",option+1) == 0)
754 if (i == (ssize_t) (argc-1))
755 ThrowCompareException(OptionError,"MissingArgument",option);
756 if (IsGeometry(argv[i]) == MagickFalse)
757 ThrowCompareInvalidArgumentException(option,argv[i]);
760 if (LocaleCompare("quantize",option+1) == 0)
768 if (i == (ssize_t) (argc-1))
769 ThrowCompareException(OptionError,"MissingArgument",option);
770 colorspace=ParseMagickOption(MagickColorspaceOptions,
771 MagickFalse,argv[i]);
773 ThrowCompareException(OptionError,"UnrecognizedColorspace",
777 if (LocaleCompare("quiet",option+1) == 0)
779 ThrowCompareException(OptionError,"UnrecognizedOption",option)
783 if (LocaleCompare("regard-warnings",option+1) == 0)
785 if (LocaleNCompare("respect-parentheses",option+1,17) == 0)
787 respect_parenthesis=(*option == '-') ? MagickTrue : MagickFalse;
790 ThrowCompareException(OptionError,"UnrecognizedOption",option)
794 if (LocaleCompare("sampling-factor",option+1) == 0)
799 if (i == (ssize_t) argc)
800 ThrowCompareException(OptionError,"MissingArgument",option);
801 if (IsGeometry(argv[i]) == MagickFalse)
802 ThrowCompareInvalidArgumentException(option,argv[i]);
805 if (LocaleCompare("seed",option+1) == 0)
810 if (i == (ssize_t) (argc-1))
811 ThrowCompareException(OptionError,"MissingArgument",option);
812 if (IsGeometry(argv[i]) == MagickFalse)
813 ThrowCompareInvalidArgumentException(option,argv[i]);
816 if (LocaleCompare("set",option+1) == 0)
819 if (i == (ssize_t) argc)
820 ThrowCompareException(OptionError,"MissingArgument",option);
824 if (i == (ssize_t) argc)
825 ThrowCompareException(OptionError,"MissingArgument",option);
828 if (LocaleCompare("size",option+1) == 0)
833 if (i == (ssize_t) argc)
834 ThrowCompareException(OptionError,"MissingArgument",option);
835 if (IsGeometry(argv[i]) == MagickFalse)
836 ThrowCompareInvalidArgumentException(option,argv[i]);
839 ThrowCompareException(OptionError,"UnrecognizedOption",option)
843 if (LocaleCompare("transparent-color",option+1) == 0)
848 if (i == (ssize_t) (argc-1))
849 ThrowCompareException(OptionError,"MissingArgument",option);
852 if (LocaleCompare("type",option+1) == 0)
860 if (i == (ssize_t) argc)
861 ThrowCompareException(OptionError,"MissingArgument",option);
862 type=ParseMagickOption(MagickTypeOptions,MagickFalse,argv[i]);
864 ThrowCompareException(OptionError,"UnrecognizedImageType",
868 ThrowCompareException(OptionError,"UnrecognizedOption",option)
872 if (LocaleCompare("verbose",option+1) == 0)
874 if ((LocaleCompare("version",option+1) == 0) ||
875 (LocaleCompare("-version",option+1) == 0))
877 (void) fprintf(stdout,"Version: %s\n",
878 GetMagickVersion((size_t *) NULL));
879 (void) fprintf(stdout,"Copyright: %s\n",GetMagickCopyright());
880 (void) fprintf(stdout,"Features: %s\n\n",GetMagickFeatures());
883 if (LocaleCompare("virtual-pixel",option+1) == 0)
891 if (i == (ssize_t) (argc-1))
892 ThrowCompareException(OptionError,"MissingArgument",option);
893 method=ParseMagickOption(MagickVirtualPixelOptions,MagickFalse,
896 ThrowCompareException(OptionError,
897 "UnrecognizedVirtualPixelMethod",argv[i]);
900 ThrowCompareException(OptionError,"UnrecognizedOption",option)
905 ThrowCompareException(OptionError,"UnrecognizedOption",option)
907 fire=ParseMagickOption(MagickImageListOptions,MagickFalse,option+1) < 0 ?
908 MagickFalse : MagickTrue;
909 if (fire != MagickFalse)
910 FireImageStack(MagickTrue,MagickTrue,MagickTrue);
913 ThrowCompareException(OptionError,"UnbalancedParenthesis",argv[i]);
914 if (i-- != (ssize_t) (argc-1))
915 ThrowCompareException(OptionError,"MissingAnImageFilename",argv[i]);
916 if ((image == (Image *) NULL) || (GetImageListLength(image) < 2))
917 ThrowCompareException(OptionError,"MissingAnImageFilename",argv[i]);
918 FinalizeImageSettings(image_info,image,MagickTrue);
919 if ((image == (Image *) NULL) || (GetImageListLength(image) < 2))
920 ThrowCompareException(OptionError,"MissingAnImageFilename",argv[i]);
921 image=GetImageFromList(image,0);
922 reconstruct_image=GetImageFromList(image,1);
923 similarity_image=SimilarityImage(image,reconstruct_image,&offset,
924 &similarity_metric,exception);
925 if (similarity_metric > dissimilarity_threshold)
926 ThrowCompareException(ImageError,"ImagesTooDissimilar",image->filename);
927 if ((reconstruct_image->columns == image->columns) &&
928 (reconstruct_image->rows == image->rows))
929 difference_image=CompareImageChannels(image,reconstruct_image,channels,
930 metric,&distortion,exception);
932 if (similarity_image != (Image *) NULL)
938 Determine if reconstructed image is a subimage of the image.
940 composite_image=CloneImage(image,0,0,MagickTrue,exception);
941 if (composite_image == (Image *) NULL)
942 difference_image=CompareImageChannels(image,reconstruct_image,
943 channels,metric,&distortion,exception);
946 (void) CompositeImage(composite_image,CopyCompositeOp,
947 reconstruct_image,offset.x,offset.y);
948 difference_image=CompareImageChannels(image,composite_image,
949 channels,metric,&distortion,exception);
950 if (difference_image != (Image *) NULL)
952 difference_image->page.x=offset.x;
953 difference_image->page.y=offset.y;
955 composite_image=DestroyImage(composite_image);
957 if (difference_image == (Image *) NULL)
958 similarity_image=DestroyImage(similarity_image);
961 AppendImageToList(&difference_image,similarity_image);
962 similarity_image=(Image *) NULL;
965 if (difference_image == (Image *) NULL)
969 if (image_info->verbose != MagickFalse)
970 (void) IsImagesEqual(image,reconstruct_image);
971 if (*difference_image->magick == '\0')
972 (void) CopyMagickString(difference_image->magick,image->magick,
974 if (image_info->verbose == MagickFalse)
978 case MeanAbsoluteErrorMetric:
979 case MeanSquaredErrorMetric:
980 case RootMeanSquaredErrorMetric:
981 case PeakAbsoluteErrorMetric:
983 (void) fprintf(stderr,"%g (%g)",QuantumRange*distortion,
984 (double) distortion);
985 if ((reconstruct_image->columns != image->columns) ||
986 (reconstruct_image->rows != image->rows))
987 (void) fprintf(stderr," @ %.20g,%.20g",(double)
988 difference_image->page.x,(double) difference_image->page.y);
989 (void) fprintf(stderr,"\n");
992 case AbsoluteErrorMetric:
993 case PeakSignalToNoiseRatioMetric:
995 (void) fprintf(stderr,"%g",distortion);
996 if ((reconstruct_image->columns != image->columns) ||
997 (reconstruct_image->rows != image->rows))
998 (void) fprintf(stderr," @ %.20g,%.20g",(double)
999 difference_image->page.x,(double) difference_image->page.y);
1000 (void) fprintf(stderr,"\n");
1003 case MeanErrorPerPixelMetric:
1005 (void) fprintf(stderr,"%g (%g, %g)",distortion,
1006 image->error.normalized_mean_error,
1007 image->error.normalized_maximum_error);
1008 if ((reconstruct_image->columns != image->columns) ||
1009 (reconstruct_image->rows != image->rows))
1010 (void) fprintf(stderr," @ %.20g,%.20g",(double)
1011 difference_image->page.x,(double) difference_image->page.y);
1012 (void) fprintf(stderr,"\n");
1015 case UndefinedMetric:
1022 *channel_distortion;
1024 channel_distortion=GetImageChannelDistortions(image,reconstruct_image,
1025 metric,&image->exception);
1026 (void) fprintf(stderr,"Image: %s\n",image->filename);
1027 if ((reconstruct_image->columns != image->columns) ||
1028 (reconstruct_image->rows != image->rows))
1029 (void) fprintf(stderr,"Offset: %.20g,%.20g\n",(double)
1030 difference_image->page.x,(double) difference_image->page.y);
1031 (void) fprintf(stderr," Channel distortion: %s\n",
1032 MagickOptionToMnemonic(MagickMetricOptions,(ssize_t) metric));
1035 case MeanAbsoluteErrorMetric:
1036 case MeanSquaredErrorMetric:
1037 case RootMeanSquaredErrorMetric:
1038 case PeakAbsoluteErrorMetric:
1040 switch (image->colorspace)
1045 (void) fprintf(stderr," red: %g (%g)\n",
1046 QuantumRange*channel_distortion[RedChannel],
1047 channel_distortion[RedChannel]);
1048 (void) fprintf(stderr," green: %g (%g)\n",
1049 QuantumRange*channel_distortion[GreenChannel],
1050 channel_distortion[GreenChannel]);
1051 (void) fprintf(stderr," blue: %g (%g)\n",
1052 QuantumRange*channel_distortion[BlueChannel],
1053 channel_distortion[BlueChannel]);
1054 if (image->matte != MagickFalse)
1055 (void) fprintf(stderr," alpha: %g (%g)\n",
1056 QuantumRange*channel_distortion[OpacityChannel],
1057 channel_distortion[OpacityChannel]);
1060 case CMYKColorspace:
1062 (void) fprintf(stderr," cyan: %g (%g)\n",
1063 QuantumRange*channel_distortion[CyanChannel],
1064 channel_distortion[CyanChannel]);
1065 (void) fprintf(stderr," magenta: %g (%g)\n",
1066 QuantumRange*channel_distortion[MagentaChannel],
1067 channel_distortion[MagentaChannel]);
1068 (void) fprintf(stderr," yellow: %g (%g)\n",
1069 QuantumRange*channel_distortion[YellowChannel],
1070 channel_distortion[YellowChannel]);
1071 (void) fprintf(stderr," black: %g (%g)\n",
1072 QuantumRange*channel_distortion[BlackChannel],
1073 channel_distortion[BlackChannel]);
1074 if (image->matte != MagickFalse)
1075 (void) fprintf(stderr," alpha: %g (%g)\n",
1076 QuantumRange*channel_distortion[OpacityChannel],
1077 channel_distortion[OpacityChannel]);
1080 case GRAYColorspace:
1082 (void) fprintf(stderr," gray: %g (%g)\n",
1083 QuantumRange*channel_distortion[GrayChannel],
1084 channel_distortion[GrayChannel]);
1085 if (image->matte != MagickFalse)
1086 (void) fprintf(stderr," alpha: %g (%g)\n",
1087 QuantumRange*channel_distortion[OpacityChannel],
1088 channel_distortion[OpacityChannel]);
1092 (void) fprintf(stderr," all: %g (%g)\n",
1093 QuantumRange*channel_distortion[AllChannels],
1094 channel_distortion[AllChannels]);
1097 case AbsoluteErrorMetric:
1098 case PeakSignalToNoiseRatioMetric:
1100 switch (image->colorspace)
1105 (void) fprintf(stderr," red: %g\n",
1106 channel_distortion[RedChannel]);
1107 (void) fprintf(stderr," green: %g\n",
1108 channel_distortion[GreenChannel]);
1109 (void) fprintf(stderr," blue: %g\n",
1110 channel_distortion[BlueChannel]);
1111 if (image->matte != MagickFalse)
1112 (void) fprintf(stderr," alpha: %g\n",
1113 channel_distortion[OpacityChannel]);
1116 case CMYKColorspace:
1118 (void) fprintf(stderr," cyan: %g\n",
1119 channel_distortion[CyanChannel]);
1120 (void) fprintf(stderr," magenta: %g\n",
1121 channel_distortion[MagentaChannel]);
1122 (void) fprintf(stderr," yellow: %g\n",
1123 channel_distortion[YellowChannel]);
1124 (void) fprintf(stderr," black: %g\n",
1125 channel_distortion[BlackChannel]);
1126 if (image->matte != MagickFalse)
1127 (void) fprintf(stderr," alpha: %g\n",
1128 channel_distortion[OpacityChannel]);
1131 case GRAYColorspace:
1133 (void) fprintf(stderr," gray: %g\n",
1134 channel_distortion[GrayChannel]);
1135 if (image->matte != MagickFalse)
1136 (void) fprintf(stderr," alpha: %g\n",
1137 channel_distortion[OpacityChannel]);
1141 (void) fprintf(stderr," all: %g\n",
1142 channel_distortion[AllChannels]);
1145 case MeanErrorPerPixelMetric:
1147 (void) fprintf(stderr," %g (%g, %g)\n",
1148 channel_distortion[AllChannels],
1149 image->error.normalized_mean_error,
1150 image->error.normalized_maximum_error);
1153 case UndefinedMetric:
1156 channel_distortion=(double *) RelinquishMagickMemory(
1157 channel_distortion);
1159 status&=WriteImages(image_info,difference_image,argv[argc-1],exception);
1160 if ((metadata != (char **) NULL) && (format != (char *) NULL))
1165 text=InterpretImageProperties(image_info,difference_image,format);
1166 if (text == (char *) NULL)
1167 ThrowCompareException(ResourceLimitError,"MemoryAllocationFailed",
1168 GetExceptionMessage(errno));
1169 (void) ConcatenateString(&(*metadata),text);
1170 (void) ConcatenateString(&(*metadata),"\n");
1171 text=DestroyString(text);
1173 difference_image=DestroyImageList(difference_image);
1176 return(status != 0 ? MagickTrue : MagickFalse);