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 1999-2013 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 "MagickWand/studio.h"
45 #include "MagickWand/MagickWand.h"
46 #include "MagickWand/mogrify-private.h"
47 #include "MagickCore/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 % CompareImagesCommand() 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 CompareImagesCommand method is:
66 % MagickBooleanType CompareImagesCommand(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 distortion 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 "-similarity-threshold value",
140 " minimum distortion for (sub)image match",
141 "-size geometry width and height of image",
142 "-subimage-search search for subimage",
143 "-transparent-color color",
144 " transparent color",
145 "-type type image type",
146 "-verbose print detailed information about the image",
147 "-version print version information",
148 "-virtual-pixel method",
149 " virtual pixel access method",
153 ListMagickVersion(stdout);
154 (void) printf("Usage: %s [options ...] image reconstruct difference\n",
156 (void) printf("\nImage Settings:\n");
157 for (p=settings; *p != (char *) NULL; p++)
158 (void) printf(" %s\n",*p);
159 (void) printf("\nMiscellaneous Options:\n");
160 for (p=miscellaneous; *p != (char *) NULL; p++)
161 (void) printf(" %s\n",*p);
163 "\nBy default, the image format of 'file' is determined by its magic\n");
165 "number. To specify a particular image format, precede the filename\n");
167 "with an image format name and a colon (i.e. ps:image) or specify the\n");
169 "image type as the filename suffix (i.e. image.ps). Specify 'file' as\n");
170 (void) printf("'-' for standard input or output.\n");
174 WandExport MagickBooleanType CompareImagesCommand(ImageInfo *image_info,
175 int argc,char **argv,char **metadata,ExceptionInfo *exception)
177 #define DefaultDissimilarityThreshold 0.31830988618379067154
178 #define DestroyCompare() \
180 if (similarity_image != (Image *) NULL) \
181 similarity_image=DestroyImageList(similarity_image); \
182 if (difference_image != (Image *) NULL) \
183 difference_image=DestroyImageList(difference_image); \
184 DestroyImageStack(); \
185 for (i=0; i < (ssize_t) argc; i++) \
186 argv[i]=DestroyString(argv[i]); \
187 argv=(char **) RelinquishMagickMemory(argv); \
189 #define ThrowCompareException(asperity,tag,option) \
191 if (exception->severity < (asperity)) \
192 (void) ThrowMagickException(exception,GetMagickModule(),asperity,tag, \
195 return(MagickFalse); \
197 #define ThrowCompareInvalidArgumentException(option,argument) \
199 (void) ThrowMagickException(exception,GetMagickModule(),OptionError, \
200 "InvalidArgument","'%s': %s",option,argument); \
202 return(MagickFalse); \
213 dissimilarity_threshold,
224 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 ListMagickVersion(stdout);
267 return(CompareUsage());
268 difference_image=NewImageList();
269 similarity_image=NewImageList();
270 dissimilarity_threshold=DefaultDissimilarityThreshold;
272 format=(char *) NULL;
275 metric=UndefinedMetric;
277 option=(char *) NULL;
279 reconstruct_image=NewImageList();
280 respect_parenthesis=MagickFalse;
282 subimage_search=MagickFalse;
286 ReadCommandlLine(argc,&argv);
287 status=ExpandFilenames(&argc,&argv);
288 if (status == MagickFalse)
289 ThrowCompareException(ResourceLimitError,"MemoryAllocationFailed",
290 GetExceptionMessage(errno));
291 for (i=1; i < (ssize_t) (argc-1); i++)
294 if (LocaleCompare(option,"(") == 0)
296 FireImageStack(MagickTrue,MagickTrue,pend);
297 if (k == MaxImageStackDepth)
298 ThrowCompareException(OptionError,"ParenthesisNestedTooDeeply",
303 if (LocaleCompare(option,")") == 0)
305 FireImageStack(MagickTrue,MagickTrue,MagickTrue);
307 ThrowCompareException(OptionError,"UnableToParseExpression",option);
311 if (IsCommandOption(option) == MagickFalse)
319 FireImageStack(MagickFalse,MagickFalse,pend);
321 if ((LocaleCompare(filename,"--") == 0) && (i < (ssize_t) (argc-1)))
323 images=ReadImages(image_info,filename,exception);
324 status&=(images != (Image *) NULL) &&
325 (exception->severity < ErrorException);
326 if (images == (Image *) NULL)
328 AppendImageStack(images);
331 pend=image != (Image *) NULL ? MagickTrue : MagickFalse;
336 if (LocaleCompare("alpha",option+1) == 0)
344 if (i == (ssize_t) argc)
345 ThrowCompareException(OptionError,"MissingArgument",option);
346 type=ParseCommandOption(MagickAlphaChannelOptions,MagickFalse,argv[i]);
348 ThrowCompareException(OptionError,"UnrecognizedAlphaChannelOption",
352 if (LocaleCompare("authenticate",option+1) == 0)
357 if (i == (ssize_t) argc)
358 ThrowCompareException(OptionError,"MissingArgument",option);
361 ThrowCompareException(OptionError,"UnrecognizedOption",option);
365 if (LocaleCompare("cache",option+1) == 0)
370 if (i == (ssize_t) argc)
371 ThrowCompareException(OptionError,"MissingArgument",option);
372 if (IsGeometry(argv[i]) == MagickFalse)
373 ThrowCompareInvalidArgumentException(option,argv[i]);
376 if (LocaleCompare("channel",option+1) == 0)
384 if (i == (ssize_t) (argc-1))
385 ThrowCompareException(OptionError,"MissingArgument",option);
386 channel=ParseChannelOption(argv[i]);
388 ThrowCompareException(OptionError,"UnrecognizedChannelType",
390 SetPixelChannelMask(image,(ChannelType) channel);
393 if (LocaleCompare("colorspace",option+1) == 0)
401 if (i == (ssize_t) (argc-1))
402 ThrowCompareException(OptionError,"MissingArgument",option);
403 colorspace=ParseCommandOption(MagickColorspaceOptions,MagickFalse,
406 ThrowCompareException(OptionError,"UnrecognizedColorspace",
410 if (LocaleCompare("compose",option+1) == 0)
418 if (i == (ssize_t) argc)
419 ThrowCompareException(OptionError,"MissingArgument",option);
420 compose=ParseCommandOption(MagickComposeOptions,MagickFalse,
423 ThrowCompareException(OptionError,"UnrecognizedComposeOperator",
427 if (LocaleCompare("compress",option+1) == 0)
435 if (i == (ssize_t) (argc-1))
436 ThrowCompareException(OptionError,"MissingArgument",option);
437 compress=ParseCommandOption(MagickCompressOptions,MagickFalse,
440 ThrowCompareException(OptionError,"UnrecognizedImageCompression",
444 if (LocaleCompare("concurrent",option+1) == 0)
446 ThrowCompareException(OptionError,"UnrecognizedOption",option)
450 if (LocaleCompare("debug",option+1) == 0)
458 if (i == (ssize_t) argc)
459 ThrowCompareException(OptionError,"MissingArgument",option);
460 event_mask=SetLogEventMask(argv[i]);
461 if (event_mask == UndefinedEvents)
462 ThrowCompareException(OptionError,"UnrecognizedEventType",
466 if (LocaleCompare("decipher",option+1) == 0)
471 if (i == (ssize_t) (argc-1))
472 ThrowCompareException(OptionError,"MissingArgument",option);
475 if (LocaleCompare("define",option+1) == 0)
478 if (i == (ssize_t) argc)
479 ThrowCompareException(OptionError,"MissingArgument",option);
485 define=GetImageOption(image_info,argv[i]);
486 if (define == (const char *) NULL)
487 ThrowCompareException(OptionError,"NoSuchOption",argv[i]);
492 if (LocaleCompare("density",option+1) == 0)
497 if (i == (ssize_t) argc)
498 ThrowCompareException(OptionError,"MissingArgument",option);
499 if (IsGeometry(argv[i]) == MagickFalse)
500 ThrowCompareInvalidArgumentException(option,argv[i]);
503 if (LocaleCompare("depth",option+1) == 0)
508 if (i == (ssize_t) argc)
509 ThrowCompareException(OptionError,"MissingArgument",option);
510 if (IsGeometry(argv[i]) == MagickFalse)
511 ThrowCompareInvalidArgumentException(option,argv[i]);
514 if (LocaleCompare("dissimilarity-threshold",option+1) == 0)
519 if (i == (ssize_t) argc)
520 ThrowCompareException(OptionError,"MissingArgument",option);
521 if (IsGeometry(argv[i]) == MagickFalse)
522 ThrowCompareInvalidArgumentException(option,argv[i]);
524 dissimilarity_threshold=DefaultDissimilarityThreshold;
526 dissimilarity_threshold=StringToDouble(argv[i],(char **) NULL);
529 if (LocaleCompare("duration",option+1) == 0)
534 if (i == (ssize_t) (argc-1))
535 ThrowCompareException(OptionError,"MissingArgument",option);
536 if (IsGeometry(argv[i]) == MagickFalse)
537 ThrowCompareInvalidArgumentException(option,argv[i]);
540 ThrowCompareException(OptionError,"UnrecognizedOption",option)
544 if (LocaleCompare("encipher",option+1) == 0)
549 if (i == (ssize_t) (argc-1))
550 ThrowCompareException(OptionError,"MissingArgument",option);
553 if (LocaleCompare("extract",option+1) == 0)
558 if (i == (ssize_t) (argc-1))
559 ThrowCompareException(OptionError,"MissingArgument",option);
560 if (IsGeometry(argv[i]) == MagickFalse)
561 ThrowCompareInvalidArgumentException(option,argv[i]);
564 ThrowCompareException(OptionError,"UnrecognizedOption",option)
568 if (LocaleCompare("format",option+1) == 0)
573 if (i == (ssize_t) argc)
574 ThrowCompareException(OptionError,"MissingArgument",option);
578 if (LocaleCompare("fuzz",option+1) == 0)
583 if (i == (ssize_t) (argc-1))
584 ThrowCompareException(OptionError,"MissingArgument",option);
585 if (IsGeometry(argv[i]) == MagickFalse)
586 ThrowCompareInvalidArgumentException(option,argv[i]);
589 ThrowCompareException(OptionError,"UnrecognizedOption",option)
593 if ((LocaleCompare("help",option+1) == 0) ||
594 (LocaleCompare("-help",option+1) == 0))
595 return(CompareUsage());
596 if (LocaleCompare("highlight-color",option+1) == 0)
601 if (i == (ssize_t) (argc-1))
602 ThrowCompareException(OptionError,"MissingArgument",option);
605 ThrowCompareException(OptionError,"UnrecognizedOption",option)
609 if (LocaleCompare("identify",option+1) == 0)
611 if (LocaleCompare("interlace",option+1) == 0)
619 if (i == (ssize_t) argc)
620 ThrowCompareException(OptionError,"MissingArgument",option);
621 interlace=ParseCommandOption(MagickInterlaceOptions,MagickFalse,
624 ThrowCompareException(OptionError,"UnrecognizedInterlaceType",
628 ThrowCompareException(OptionError,"UnrecognizedOption",option)
632 if (LocaleCompare("limit",option+1) == 0)
646 if (i == (ssize_t) argc)
647 ThrowCompareException(OptionError,"MissingArgument",option);
648 resource=ParseCommandOption(MagickResourceOptions,MagickFalse,
651 ThrowCompareException(OptionError,"UnrecognizedResourceType",
654 if (i == (ssize_t) argc)
655 ThrowCompareException(OptionError,"MissingArgument",option);
656 value=StringToDouble(argv[i],&p);
658 if ((p == argv[i]) && (LocaleCompare("unlimited",argv[i]) != 0))
659 ThrowCompareInvalidArgumentException(option,argv[i]);
662 if (LocaleCompare("list",option+1) == 0)
670 if (i == (ssize_t) argc)
671 ThrowCompareException(OptionError,"MissingArgument",option);
672 list=ParseCommandOption(MagickListOptions,MagickFalse,argv[i]);
674 ThrowCompareException(OptionError,"UnrecognizedListType",argv[i]);
675 status=MogrifyImageInfo(image_info,(int) (i-j+1),(const char **)
678 return(status != 0 ? MagickFalse : MagickTrue);
680 if (LocaleCompare("log",option+1) == 0)
685 if ((i == (ssize_t) argc) || (strchr(argv[i],'%') == (char *) NULL))
686 ThrowCompareException(OptionError,"MissingArgument",option);
689 if (LocaleCompare("lowlight-color",option+1) == 0)
694 if (i == (ssize_t) (argc-1))
695 ThrowCompareException(OptionError,"MissingArgument",option);
698 ThrowCompareException(OptionError,"UnrecognizedOption",option)
702 if (LocaleCompare("matte",option+1) == 0)
704 if (LocaleCompare("metric",option+1) == 0)
712 if (i == (ssize_t) argc)
713 ThrowCompareException(OptionError,"MissingArgument",option);
714 type=ParseCommandOption(MagickMetricOptions,MagickTrue,argv[i]);
716 ThrowCompareException(OptionError,"UnrecognizedMetricType",
718 metric=(MetricType) type;
721 if (LocaleCompare("monitor",option+1) == 0)
723 ThrowCompareException(OptionError,"UnrecognizedOption",option)
727 if (LocaleCompare("profile",option+1) == 0)
730 if (i == (ssize_t) (argc-1))
731 ThrowCompareException(OptionError,"MissingArgument",option);
734 ThrowCompareException(OptionError,"UnrecognizedOption",option)
738 if (LocaleCompare("quality",option+1) == 0)
743 if (i == (ssize_t) (argc-1))
744 ThrowCompareException(OptionError,"MissingArgument",option);
745 if (IsGeometry(argv[i]) == MagickFalse)
746 ThrowCompareInvalidArgumentException(option,argv[i]);
749 if (LocaleCompare("quantize",option+1) == 0)
757 if (i == (ssize_t) (argc-1))
758 ThrowCompareException(OptionError,"MissingArgument",option);
759 colorspace=ParseCommandOption(MagickColorspaceOptions,
760 MagickFalse,argv[i]);
762 ThrowCompareException(OptionError,"UnrecognizedColorspace",
766 if (LocaleCompare("quiet",option+1) == 0)
768 ThrowCompareException(OptionError,"UnrecognizedOption",option)
772 if (LocaleCompare("regard-warnings",option+1) == 0)
774 if (LocaleNCompare("respect-parentheses",option+1,17) == 0)
776 respect_parenthesis=(*option == '-') ? MagickTrue : MagickFalse;
779 ThrowCompareException(OptionError,"UnrecognizedOption",option)
783 if (LocaleCompare("sampling-factor",option+1) == 0)
788 if (i == (ssize_t) argc)
789 ThrowCompareException(OptionError,"MissingArgument",option);
790 if (IsGeometry(argv[i]) == MagickFalse)
791 ThrowCompareInvalidArgumentException(option,argv[i]);
794 if (LocaleCompare("seed",option+1) == 0)
799 if (i == (ssize_t) (argc-1))
800 ThrowCompareException(OptionError,"MissingArgument",option);
801 if (IsGeometry(argv[i]) == MagickFalse)
802 ThrowCompareInvalidArgumentException(option,argv[i]);
805 if (LocaleCompare("set",option+1) == 0)
808 if (i == (ssize_t) argc)
809 ThrowCompareException(OptionError,"MissingArgument",option);
813 if (i == (ssize_t) argc)
814 ThrowCompareException(OptionError,"MissingArgument",option);
817 if (LocaleCompare("size",option+1) == 0)
822 if (i == (ssize_t) argc)
823 ThrowCompareException(OptionError,"MissingArgument",option);
824 if (IsGeometry(argv[i]) == MagickFalse)
825 ThrowCompareInvalidArgumentException(option,argv[i]);
828 if (LocaleCompare("subimage-search",option+1) == 0)
832 subimage_search=MagickFalse;
835 subimage_search=MagickTrue;
838 if (LocaleCompare("synchronize",option+1) == 0)
840 ThrowCompareException(OptionError,"UnrecognizedOption",option)
844 if (LocaleCompare("taint",option+1) == 0)
846 if (LocaleCompare("transparent-color",option+1) == 0)
851 if (i == (ssize_t) (argc-1))
852 ThrowCompareException(OptionError,"MissingArgument",option);
855 if (LocaleCompare("type",option+1) == 0)
863 if (i == (ssize_t) argc)
864 ThrowCompareException(OptionError,"MissingArgument",option);
865 type=ParseCommandOption(MagickTypeOptions,MagickFalse,argv[i]);
867 ThrowCompareException(OptionError,"UnrecognizedImageType",
871 ThrowCompareException(OptionError,"UnrecognizedOption",option)
875 if (LocaleCompare("verbose",option+1) == 0)
877 if ((LocaleCompare("version",option+1) == 0) ||
878 (LocaleCompare("-version",option+1) == 0))
880 ListMagickVersion(stdout);
883 if (LocaleCompare("virtual-pixel",option+1) == 0)
891 if (i == (ssize_t) (argc-1))
892 ThrowCompareException(OptionError,"MissingArgument",option);
893 method=ParseCommandOption(MagickVirtualPixelOptions,MagickFalse,
896 ThrowCompareException(OptionError,
897 "UnrecognizedVirtualPixelMethod",argv[i]);
900 ThrowCompareException(OptionError,"UnrecognizedOption",option)
905 ThrowCompareException(OptionError,"UnrecognizedOption",option)
907 fire=(GetCommandOptionFlags(MagickCommandOptions,MagickFalse,option) &
908 FireOptionFlag) == 0 ? 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 if (subimage_search != MagickFalse)
925 similarity_image=SimilarityImage(image,reconstruct_image,metric,&offset,
926 &similarity_metric,exception);
927 if (similarity_metric > dissimilarity_threshold)
928 ThrowCompareException(ImageError,"ImagesTooDissimilar",image->filename);
930 if ((reconstruct_image->columns == image->columns) &&
931 (reconstruct_image->rows == image->rows))
932 difference_image=CompareImages(image,reconstruct_image,metric,&distortion,
935 if (similarity_image == (Image *) NULL)
936 ThrowCompareException(OptionError,"ImageWidthsOrHeightsDiffer",
944 Determine if reconstructed image is a subimage of the image.
946 composite_image=CloneImage(image,0,0,MagickTrue,exception);
947 if (composite_image == (Image *) NULL)
948 difference_image=CompareImages(image,reconstruct_image,metric,
949 &distortion,exception);
952 (void) CompositeImage(composite_image,reconstruct_image,
953 CopyCompositeOp,MagickTrue,offset.x,offset.y,exception);
954 difference_image=CompareImages(image,composite_image,metric,
955 &distortion,exception);
956 if (difference_image != (Image *) NULL)
958 difference_image->page.x=offset.x;
959 difference_image->page.y=offset.y;
961 composite_image=DestroyImage(composite_image);
963 if (difference_image != (Image *) NULL)
965 AppendImageToList(&difference_image,similarity_image);
966 similarity_image=(Image *) NULL;
969 if (difference_image == (Image *) NULL)
973 if (image_info->verbose != MagickFalse)
974 (void) IsImagesEqual(image,reconstruct_image,exception);
975 if (*difference_image->magick == '\0')
976 (void) CopyMagickString(difference_image->magick,image->magick,
978 if (image_info->verbose == MagickFalse)
982 case FuzzErrorMetric:
983 case MeanAbsoluteErrorMetric:
984 case MeanSquaredErrorMetric:
985 case RootMeanSquaredErrorMetric:
986 case PeakAbsoluteErrorMetric:
988 (void) FormatLocaleFile(stderr,"%g (%g)",QuantumRange*distortion,
989 (double) distortion);
990 if ((reconstruct_image->columns != image->columns) ||
991 (reconstruct_image->rows != image->rows))
992 (void) FormatLocaleFile(stderr," @ %.20g,%.20g",(double)
993 difference_image->page.x,(double) difference_image->page.y);
994 (void) FormatLocaleFile(stderr,"\n");
997 case AbsoluteErrorMetric:
998 case NormalizedCrossCorrelationErrorMetric:
999 case PeakSignalToNoiseRatioMetric:
1001 (void) FormatLocaleFile(stderr,"%g",distortion);
1002 if ((reconstruct_image->columns != image->columns) ||
1003 (reconstruct_image->rows != image->rows))
1004 (void) FormatLocaleFile(stderr," @ %.20g,%.20g",(double)
1005 difference_image->page.x,(double) difference_image->page.y);
1006 (void) FormatLocaleFile(stderr,"\n");
1009 case MeanErrorPerPixelMetric:
1011 (void) FormatLocaleFile(stderr,"%g (%g, %g)",distortion,
1012 image->error.normalized_mean_error,
1013 image->error.normalized_maximum_error);
1014 if ((reconstruct_image->columns != image->columns) ||
1015 (reconstruct_image->rows != image->rows))
1016 (void) FormatLocaleFile(stderr," @ %.20g,%.20g",(double)
1017 difference_image->page.x,(double) difference_image->page.y);
1018 (void) FormatLocaleFile(stderr,"\n");
1021 case UndefinedMetric:
1028 *channel_distortion;
1030 channel_distortion=GetImageDistortions(image,reconstruct_image,
1032 (void) FormatLocaleFile(stderr,"Image: %s\n",image->filename);
1033 if ((reconstruct_image->columns != image->columns) ||
1034 (reconstruct_image->rows != image->rows))
1035 (void) FormatLocaleFile(stderr,"Offset: %.20g,%.20g\n",(double)
1036 difference_image->page.x,(double) difference_image->page.y);
1037 (void) FormatLocaleFile(stderr," Channel distortion: %s\n",
1038 CommandOptionToMnemonic(MagickMetricOptions,(ssize_t) metric));
1041 case FuzzErrorMetric:
1042 case MeanAbsoluteErrorMetric:
1043 case MeanSquaredErrorMetric:
1044 case RootMeanSquaredErrorMetric:
1045 case PeakAbsoluteErrorMetric:
1047 switch (image->colorspace)
1052 (void) FormatLocaleFile(stderr," red: %g (%g)\n",
1053 QuantumRange*channel_distortion[RedPixelChannel],
1054 channel_distortion[RedPixelChannel]);
1055 (void) FormatLocaleFile(stderr," green: %g (%g)\n",
1056 QuantumRange*channel_distortion[GreenPixelChannel],
1057 channel_distortion[GreenPixelChannel]);
1058 (void) FormatLocaleFile(stderr," blue: %g (%g)\n",
1059 QuantumRange*channel_distortion[BluePixelChannel],
1060 channel_distortion[BluePixelChannel]);
1061 if (image->alpha_trait == BlendPixelTrait)
1062 (void) FormatLocaleFile(stderr," alpha: %g (%g)\n",
1063 QuantumRange*channel_distortion[AlphaPixelChannel],
1064 channel_distortion[AlphaPixelChannel]);
1067 case CMYKColorspace:
1069 (void) FormatLocaleFile(stderr," cyan: %g (%g)\n",
1070 QuantumRange*channel_distortion[CyanPixelChannel],
1071 channel_distortion[CyanPixelChannel]);
1072 (void) FormatLocaleFile(stderr," magenta: %g (%g)\n",
1073 QuantumRange*channel_distortion[MagentaPixelChannel],
1074 channel_distortion[MagentaPixelChannel]);
1075 (void) FormatLocaleFile(stderr," yellow: %g (%g)\n",
1076 QuantumRange*channel_distortion[YellowPixelChannel],
1077 channel_distortion[YellowPixelChannel]);
1078 (void) FormatLocaleFile(stderr," black: %g (%g)\n",
1079 QuantumRange*channel_distortion[BlackPixelChannel],
1080 channel_distortion[BlackPixelChannel]);
1081 if (image->alpha_trait == BlendPixelTrait)
1082 (void) FormatLocaleFile(stderr," alpha: %g (%g)\n",
1083 QuantumRange*channel_distortion[AlphaPixelChannel],
1084 channel_distortion[AlphaPixelChannel]);
1087 case GRAYColorspace:
1089 (void) FormatLocaleFile(stderr," gray: %g (%g)\n",
1090 QuantumRange*channel_distortion[GrayPixelChannel],
1091 channel_distortion[GrayPixelChannel]);
1092 if (image->alpha_trait == BlendPixelTrait)
1093 (void) FormatLocaleFile(stderr," alpha: %g (%g)\n",
1094 QuantumRange*channel_distortion[AlphaPixelChannel],
1095 channel_distortion[AlphaPixelChannel]);
1099 (void) FormatLocaleFile(stderr," all: %g (%g)\n",
1100 QuantumRange*channel_distortion[MaxPixelChannels],
1101 channel_distortion[MaxPixelChannels]);
1104 case AbsoluteErrorMetric:
1105 case NormalizedCrossCorrelationErrorMetric:
1106 case PeakSignalToNoiseRatioMetric:
1108 switch (image->colorspace)
1113 (void) FormatLocaleFile(stderr," red: %g\n",
1114 channel_distortion[RedPixelChannel]);
1115 (void) FormatLocaleFile(stderr," green: %g\n",
1116 channel_distortion[GreenPixelChannel]);
1117 (void) FormatLocaleFile(stderr," blue: %g\n",
1118 channel_distortion[BluePixelChannel]);
1119 if (image->alpha_trait == BlendPixelTrait)
1120 (void) FormatLocaleFile(stderr," alpha: %g\n",
1121 channel_distortion[AlphaPixelChannel]);
1124 case CMYKColorspace:
1126 (void) FormatLocaleFile(stderr," cyan: %g\n",
1127 channel_distortion[CyanPixelChannel]);
1128 (void) FormatLocaleFile(stderr," magenta: %g\n",
1129 channel_distortion[MagentaPixelChannel]);
1130 (void) FormatLocaleFile(stderr," yellow: %g\n",
1131 channel_distortion[YellowPixelChannel]);
1132 (void) FormatLocaleFile(stderr," black: %g\n",
1133 channel_distortion[BlackPixelChannel]);
1134 if (image->alpha_trait == BlendPixelTrait)
1135 (void) FormatLocaleFile(stderr," alpha: %g\n",
1136 channel_distortion[AlphaPixelChannel]);
1139 case GRAYColorspace:
1141 (void) FormatLocaleFile(stderr," gray: %g\n",
1142 channel_distortion[GrayPixelChannel]);
1143 if (image->alpha_trait == BlendPixelTrait)
1144 (void) FormatLocaleFile(stderr," alpha: %g\n",
1145 channel_distortion[AlphaPixelChannel]);
1149 (void) FormatLocaleFile(stderr," all: %g\n",
1150 channel_distortion[MaxPixelChannels]);
1153 case MeanErrorPerPixelMetric:
1155 (void) FormatLocaleFile(stderr," %g (%g, %g)\n",
1156 channel_distortion[MaxPixelChannels],
1157 image->error.normalized_mean_error,
1158 image->error.normalized_maximum_error);
1161 case UndefinedMetric:
1164 channel_distortion=(double *) RelinquishMagickMemory(
1165 channel_distortion);
1167 status&=WriteImages(image_info,difference_image,argv[argc-1],exception);
1168 if ((metadata != (char **) NULL) && (format != (char *) NULL))
1173 text=InterpretImageProperties(image_info,difference_image,format,
1175 if (text == (char *) NULL)
1176 ThrowCompareException(ResourceLimitError,"MemoryAllocationFailed",
1177 GetExceptionMessage(errno));
1178 (void) ConcatenateString(&(*metadata),text);
1179 (void) ConcatenateString(&(*metadata),"\n");
1180 text=DestroyString(text);
1182 difference_image=DestroyImageList(difference_image);
1185 return((status != 0) || (distortion != 0.0) ? MagickTrue : MagickFalse);