44#include "wand/studio.h"
45#include "wand/MagickWand.h"
46#include "wand/mogrify-private.h"
47#include "magick/compare-private.h"
48#include "magick/image-private.h"
49#include "magick/string-private.h"
85static MagickBooleanType CompareUsage(
void)
89 " -debug events display copious debugging information\n"
90 " -help print program options\n"
91 " -list type print a list of supported option arguments\n"
92 " -log format format of debugging information",
94 " -brightness-contrast geometry\n"
95 " improve brightness / contrast of the image\n"
96 " -distort method args\n"
97 " distort images according to given method and args\n"
98 " -level value adjust the level of image contrast\n"
99 " -resize geometry resize the image\n"
100 " -rotate degrees apply Paeth rotation to the image\n"
101 " -sigmoidal-contrast geometry\n"
102 " increase the contrast without saturating highlights or\n"
103 " -trim trim image edges",
104 sequence_operators[] =
105 " -crop geometry cut out a rectangular region of the image\n"
106 " -separate separate an image channel into a grayscale image\n"
107 " -write filename write images to this file",
109 " -adjoin join images into a single multi-image file\n"
110 " -alpha option on, activate, off, deactivate, set, opaque, copy\n"
111 " transparent, extract, background, or shape\n"
112 " -authenticate password\n"
113 " decipher image with this password\n"
114 " -background color background color\n"
115 " -channel type apply option to select image channels\n"
116 " -colorspace type alternate image colorspace\n"
117 " -compose operator set image composite operator\n"
118 " -compress type type of pixel compression when writing the image\n"
119 " -decipher filename convert cipher pixels to plain pixels\n"
120 " -define format:option\n"
121 " define one or more image format options\n"
122 " -density geometry horizontal and vertical density of the image\n"
123 " -depth value image depth\n"
124 " -dissimilarity-threshold value\n"
125 " maximum distortion for (sub)image match\n"
126 " -encipher filename convert plain pixels to cipher pixels\n"
127 " -extract geometry extract area from image\n"
128 " -format \"string\" output formatted image characteristics\n"
129 " -fuzz distance colors within this distance are considered equal\n"
130 " -gravity type horizontal and vertical text placement\n"
131 " -highlight-color color\n"
132 " emphasize pixel differences with this color\n"
133 " -identify identify the format and characteristics of the image\n"
134 " -interlace type type of image interlacing scheme\n"
135 " -limit type value pixel cache resource limit\n"
136 " -lowlight-color color\n"
137 " de-emphasize pixel differences with this color\n"
138 " -mask filename associate a mask with the image\n"
139 " -metric type measure differences between images with this metric\n"
140 " -monitor monitor progress\n"
141 " -passphrase filename get the passphrase from this file\n"
142 " -precision value maximum number of significant digits to print\n"
143 " -profile filename add, delete, or apply an image profile\n"
144 " -quality value JPEG/MIFF/PNG compression level\n"
145 " -quiet suppress all warning messages\n"
146 " -quantize colorspace reduce colors in this colorspace\n"
147 " -regard-warnings pay attention to warning messages\n"
148 " -repage geometry size and location of an image canvas\n"
149 " -respect-parentheses settings remain in effect until parenthesis boundary\n"
150 " -sampling-factor geometry\n"
151 " horizontal and vertical sampling factor\n"
152 " -seed value seed a new sequence of pseudo-random numbers\n"
153 " -set attribute value set an image attribute\n"
154 " -quality value JPEG/MIFF/PNG compression level\n"
155 " -similarity-threshold value\n"
156 " minimum distortion for (sub)image match\n"
157 " -size geometry width and height of image\n"
158 " -subimage-search search for subimage\n"
159 " -synchronize synchronize image to storage device\n"
160 " -taint declare the image as modified\n"
161 " -transparent-color color\n"
162 " transparent color\n"
163 " -type type image type\n"
164 " -verbose print detailed information about the image\n"
165 " -version print version information\n"
166 " -virtual-pixel method\n"
167 " virtual pixel access method",
169 " -delete indexes delete the image from the image sequence";
171 ListMagickVersion(stdout);
172 (void) printf(
"Usage: %s [options ...] image reconstruct difference\n",
174 (void) printf(
"\nImage Settings:\n");
175 (void) puts(settings);
176 (void) printf(
"\nImage Operators:\n");
177 (void) puts(operators);
178 (void) printf(
"\nImage Sequence Operators:\n");
179 (void) puts(sequence_operators);
180 (void) printf(
"\nImage Stack Operators:\n");
181 (void) puts(stack_operators);
182 (void) printf(
"\nMiscellaneous Options:\n");
183 (void) puts(miscellaneous);
185 "\nBy default, the image format of `file' is determined by its magic\n");
187 "number. To specify a particular image format, precede the filename\n");
189 "with an image format name and a colon (i.e. ps:image) or specify the\n");
191 "image type as the filename suffix (i.e. image.ps). Specify 'file' as\n");
192 (void) printf(
"'-' for standard input or output.\n");
196WandExport MagickBooleanType CompareImageCommand(ImageInfo *image_info,
197 int argc,
char **argv,
char **metadata,ExceptionInfo *exception)
199#define CompareEpsilon (1.0e-06)
200#define CompareConstantColorException \
201 "search metric is unreliable for constant-color images"
202#define CompareEqualSizedException \
203 "subimage search metric is unreliable for equal-sized images"
204#define DefaultDissimilarityThreshold (1.0/MagickPI)
205#define DestroyCompare() \
207 if (similarity_image != (Image *) NULL) \
208 similarity_image=DestroyImageList(similarity_image); \
209 if (difference_image != (Image *) NULL) \
210 difference_image=DestroyImageList(difference_image); \
211 DestroyImageStack(); \
212 for (i=0; i < (ssize_t) argc; i++) \
213 argv[i]=DestroyString(argv[i]); \
214 argv=(char **) RelinquishMagickMemory(argv); \
216#define ThrowCompareException(asperity,tag,option) \
218 if (exception->severity < (asperity)) \
219 (void) ThrowMagickException(exception,GetMagickModule(),asperity,tag, \
222 return(MagickFalse); \
224#define ThrowCompareInvalidArgumentException(option,argument) \
226 (void) ThrowMagickException(exception,GetMagickModule(),OptionError, \
227 "InvalidArgument","`%s': %s",option,argument); \
229 return(MagickFalse); \
233 channels = DefaultChannels;
243 dissimilarity_threshold = DefaultDissimilarityThreshold,
245 scale = (double) QuantumRange,
246 similarity_metric = 0.0,
247 similarity_threshold = DefaultSimilarityThreshold;
251 *image = (Image *) NULL,
259 image_stack[MaxImageStackDepth+1];
265 similar = MagickTrue,
272 distortion_metric = MeanSquaredErrorMetric,
273 metric = UndefinedErrorMetric;
288 assert(image_info != (ImageInfo *) NULL);
289 assert(image_info->signature == MagickCoreSignature);
290 assert(exception != (ExceptionInfo *) NULL);
291 if (IsEventLogging() != MagickFalse)
292 (void) LogMagickEvent(TraceEvent,GetMagickModule(),
"...");
296 if ((LocaleCompare(
"version",option+1) == 0) ||
297 (LocaleCompare(
"-version",option+1) == 0))
299 ListMagickVersion(stdout);
305 (void) ThrowMagickException(exception,GetMagickModule(),OptionError,
306 "MissingArgument",
"%s",
"");
307 (void) CompareUsage();
310 restore_info=image_info;
311 difference_image=NewImageList();
312 similarity_image=NewImageList();
313 format=(
char *) NULL;
317 option=(
char *) NULL;
319 reconstruct_image=NewImageList();
320 respect_parenthesis=MagickFalse;
322 subimage_search=MagickFalse;
326 ReadCommandlLine(argc,&argv);
327 status=ExpandFilenames(&argc,&argv);
328 if (status == MagickFalse)
329 ThrowCompareException(ResourceLimitError,
"MemoryAllocationFailed",
330 GetExceptionMessage(errno));
331 for (i=1; i < (ssize_t) (argc-1); i++)
334 if (LocaleCompare(option,
"(") == 0)
336 FireImageStack(MagickTrue,MagickTrue,pend);
337 if (k == MaxImageStackDepth)
338 ThrowCompareException(OptionError,
"ParenthesisNestedTooDeeply",
343 if (LocaleCompare(option,
")") == 0)
345 FireImageStack(MagickTrue,MagickTrue,MagickTrue);
347 ThrowCompareException(OptionError,
"UnableToParseExpression",option);
351 if (IsCommandOption(option) == MagickFalse)
359 FireImageStack(MagickFalse,MagickFalse,pend);
361 if ((LocaleCompare(filename,
"--") == 0) && (i < (ssize_t) (argc-1)))
363 (void) SetImageOption(image_info,
"filename",filename);
364 (void) CopyMagickString(image_info->filename,filename,MaxTextExtent);
365 images=ReadImages(image_info,exception);
366 status&=(images != (Image *) NULL) &&
367 (exception->severity < ErrorException);
368 if (images == (Image *) NULL)
370 AppendImageStack(images);
373 pend=image != (Image *) NULL ? MagickTrue : MagickFalse;
378 if (LocaleCompare(
"adjoin",option+1) == 0)
380 if (LocaleCompare(
"alpha",option+1) == 0)
388 if (i == (ssize_t) argc)
389 ThrowCompareException(OptionError,
"MissingArgument",option);
390 type=ParseCommandOption(MagickAlphaOptions,MagickFalse,argv[i]);
392 ThrowCompareException(OptionError,
"UnrecognizedAlphaChannelType",
396 if (LocaleCompare(
"authenticate",option+1) == 0)
401 if (i == (ssize_t) argc)
402 ThrowCompareException(OptionError,
"MissingArgument",option);
405 ThrowCompareException(OptionError,
"UnrecognizedOption",option);
409 if (LocaleCompare(
"background",option+1) == 0)
414 if (i == (ssize_t) argc)
415 ThrowCompareException(OptionError,
"MissingArgument",option);
418 if (LocaleCompare(
"brightness-contrast",option+1) == 0)
421 if (i == (ssize_t) argc)
422 ThrowCompareException(OptionError,
"MissingArgument",option);
423 if (IsGeometry(argv[i]) == MagickFalse)
424 ThrowCompareInvalidArgumentException(option,argv[i]);
427 ThrowCompareException(OptionError,
"UnrecognizedOption",option);
431 if (LocaleCompare(
"cache",option+1) == 0)
436 if (i == (ssize_t) argc)
437 ThrowCompareException(OptionError,
"MissingArgument",option);
438 if (IsGeometry(argv[i]) == MagickFalse)
439 ThrowCompareInvalidArgumentException(option,argv[i]);
442 if (LocaleCompare(
"channel",option+1) == 0)
450 if (i == (ssize_t) argc)
451 ThrowCompareException(OptionError,
"MissingArgument",option);
452 channel=ParseChannelOption(argv[i]);
454 ThrowCompareException(OptionError,
"UnrecognizedChannelType",
456 channels=(ChannelType) channel;
459 if (LocaleCompare(
"colorspace",option+1) == 0)
467 if (i == (ssize_t) argc)
468 ThrowCompareException(OptionError,
"MissingArgument",option);
469 colorspace=ParseCommandOption(MagickColorspaceOptions,MagickFalse,
472 ThrowCompareException(OptionError,
"UnrecognizedColorspace",
476 if (LocaleCompare(
"compose",option+1) == 0)
484 if (i == (ssize_t) argc)
485 ThrowCompareException(OptionError,
"MissingArgument",option);
486 compose=ParseCommandOption(MagickComposeOptions,MagickFalse,
489 ThrowCompareException(OptionError,
"UnrecognizedComposeOperator",
493 if (LocaleCompare(
"compress",option+1) == 0)
501 if (i == (ssize_t) argc)
502 ThrowCompareException(OptionError,
"MissingArgument",option);
503 compress=ParseCommandOption(MagickCompressOptions,MagickFalse,
506 ThrowCompareException(OptionError,
"UnrecognizedImageCompression",
510 if (LocaleCompare(
"concurrent",option+1) == 0)
512 if (LocaleCompare(
"crop",option+1) == 0)
517 if (i == (ssize_t) argc)
518 ThrowCompareException(OptionError,
"MissingArgument",option);
519 if (IsGeometry(argv[i]) == MagickFalse)
520 ThrowCompareInvalidArgumentException(option,argv[i]);
523 ThrowCompareException(OptionError,
"UnrecognizedOption",option)
527 if (LocaleCompare(
"debug",option+1) == 0)
535 if (i == (ssize_t) argc)
536 ThrowCompareException(OptionError,
"MissingArgument",option);
537 event_mask=SetLogEventMask(argv[i]);
538 if (event_mask == UndefinedEvents)
539 ThrowCompareException(OptionError,
"UnrecognizedEventType",
543 if (LocaleCompare(
"decipher",option+1) == 0)
548 if (i == (ssize_t) argc)
549 ThrowCompareException(OptionError,
"MissingArgument",option);
552 if (LocaleCompare(
"define",option+1) == 0)
555 if (i == (ssize_t) argc)
556 ThrowCompareException(OptionError,
"MissingArgument",option);
562 define=GetImageOption(image_info,argv[i]);
563 if (define == (
const char *) NULL)
564 ThrowCompareException(OptionError,
"NoSuchOption",argv[i]);
569 if (LocaleCompare(
"delete",option+1) == 0)
574 if (i == (ssize_t) argc)
575 ThrowCompareException(OptionError,
"MissingArgument",option);
576 if (IsSceneGeometry(argv[i],MagickFalse) == MagickFalse)
577 ThrowCompareInvalidArgumentException(option,argv[i]);
580 if (LocaleCompare(
"density",option+1) == 0)
585 if (i == (ssize_t) argc)
586 ThrowCompareException(OptionError,
"MissingArgument",option);
587 if (IsGeometry(argv[i]) == MagickFalse)
588 ThrowCompareInvalidArgumentException(option,argv[i]);
591 if (LocaleCompare(
"depth",option+1) == 0)
596 if (i == (ssize_t) argc)
597 ThrowCompareException(OptionError,
"MissingArgument",option);
598 if (IsGeometry(argv[i]) == MagickFalse)
599 ThrowCompareInvalidArgumentException(option,argv[i]);
602 if (LocaleCompare(
"dissimilarity-threshold",option+1) == 0)
607 if (i == (ssize_t) argc)
608 ThrowCompareException(OptionError,
"MissingArgument",option);
609 if (IsGeometry(argv[i]) == MagickFalse)
610 ThrowCompareInvalidArgumentException(option,argv[i]);
612 dissimilarity_threshold=DefaultDissimilarityThreshold;
614 dissimilarity_threshold=StringToDouble(argv[i],(
char **) NULL);
617 if (LocaleCompare(
"distort",option+1) == 0)
623 if (i == (ssize_t) argc)
624 ThrowCompareException(OptionError,
"MissingArgument",option);
625 op=ParseCommandOption(MagickDistortOptions,MagickFalse,argv[i]);
627 ThrowCompareException(OptionError,
"UnrecognizedDistortMethod",
630 if (i == (ssize_t) argc)
631 ThrowCompareException(OptionError,
"MissingArgument",option);
634 if (LocaleCompare(
"duration",option+1) == 0)
639 if (i == (ssize_t) argc)
640 ThrowCompareException(OptionError,
"MissingArgument",option);
641 if (IsGeometry(argv[i]) == MagickFalse)
642 ThrowCompareInvalidArgumentException(option,argv[i]);
645 ThrowCompareException(OptionError,
"UnrecognizedOption",option)
649 if (LocaleCompare(
"encipher",option+1) == 0)
654 if (i == (ssize_t) argc)
655 ThrowCompareException(OptionError,
"MissingArgument",option);
658 if (LocaleCompare(
"extract",option+1) == 0)
663 if (i == (ssize_t) argc)
664 ThrowCompareException(OptionError,
"MissingArgument",option);
665 if (IsGeometry(argv[i]) == MagickFalse)
666 ThrowCompareInvalidArgumentException(option,argv[i]);
669 ThrowCompareException(OptionError,
"UnrecognizedOption",option)
673 if (LocaleCompare(
"format",option+1) == 0)
678 if (i == (ssize_t) argc)
679 ThrowCompareException(OptionError,
"MissingArgument",option);
683 if (LocaleCompare(
"fuzz",option+1) == 0)
688 if (i == (ssize_t) argc)
689 ThrowCompareException(OptionError,
"MissingArgument",option);
690 if (IsGeometry(argv[i]) == MagickFalse)
691 ThrowCompareInvalidArgumentException(option,argv[i]);
694 ThrowCompareException(OptionError,
"UnrecognizedOption",option)
698 if (LocaleCompare(
"gravity",option+1) == 0)
706 if (i == (ssize_t) argc)
707 ThrowCompareException(OptionError,
"MissingArgument",option);
708 gravity=ParseCommandOption(MagickGravityOptions,MagickFalse,
711 ThrowCompareException(OptionError,
"UnrecognizedGravityType",
715 ThrowCompareException(OptionError,
"UnrecognizedOption",option)
719 if ((LocaleCompare(
"help",option+1) == 0) ||
720 (LocaleCompare(
"-help",option+1) == 0))
723 return(CompareUsage());
725 if (LocaleCompare(
"highlight-color",option+1) == 0)
730 if (i == (ssize_t) argc)
731 ThrowCompareException(OptionError,
"MissingArgument",option);
734 ThrowCompareException(OptionError,
"UnrecognizedOption",option)
738 if (LocaleCompare(
"identify",option+1) == 0)
740 if (LocaleCompare(
"interlace",option+1) == 0)
748 if (i == (ssize_t) argc)
749 ThrowCompareException(OptionError,
"MissingArgument",option);
750 interlace=ParseCommandOption(MagickInterlaceOptions,MagickFalse,
753 ThrowCompareException(OptionError,
"UnrecognizedInterlaceType",
757 ThrowCompareException(OptionError,
"UnrecognizedOption",option)
761 if (LocaleCompare(
"level",option+1) == 0)
764 if (i == (ssize_t) argc)
765 ThrowCompareException(OptionError,
"MissingArgument",option);
766 if (IsGeometry(argv[i]) == MagickFalse)
767 ThrowCompareInvalidArgumentException(option,argv[i]);
770 if (LocaleCompare(
"limit",option+1) == 0)
784 if (i == (ssize_t) argc)
785 ThrowCompareException(OptionError,
"MissingArgument",option);
786 resource=ParseCommandOption(MagickResourceOptions,MagickFalse,
789 ThrowCompareException(OptionError,
"UnrecognizedResourceType",
792 if (i == (ssize_t) argc)
793 ThrowCompareException(OptionError,
"MissingArgument",option);
794 value=StringToDouble(argv[i],&p);
796 if ((p == argv[i]) && (LocaleCompare(
"unlimited",argv[i]) != 0))
797 ThrowCompareInvalidArgumentException(option,argv[i]);
800 if (LocaleCompare(
"list",option+1) == 0)
808 if (i == (ssize_t) argc)
809 ThrowCompareException(OptionError,
"MissingArgument",option);
810 list=ParseCommandOption(MagickListOptions,MagickFalse,argv[i]);
812 ThrowCompareException(OptionError,
"UnrecognizedListType",argv[i]);
813 status=MogrifyImageInfo(image_info,(
int) (i-j+1),(
const char **)
816 return(status == 0 ? MagickFalse : MagickTrue);
818 if (LocaleCompare(
"log",option+1) == 0)
823 if ((i == (ssize_t) argc) || (strchr(argv[i],
'%') == (
char *) NULL))
824 ThrowCompareException(OptionError,
"MissingArgument",option);
827 if (LocaleCompare(
"lowlight-color",option+1) == 0)
832 if (i == (ssize_t) argc)
833 ThrowCompareException(OptionError,
"MissingArgument",option);
836 ThrowCompareException(OptionError,
"UnrecognizedOption",option)
840 if (LocaleCompare(
"mask",option+1) == 0)
845 if (i == (ssize_t) argc)
846 ThrowCompareException(OptionError,
"MissingArgument",option);
849 if (LocaleCompare(
"matte",option+1) == 0)
851 if (LocaleCompare(
"metric",option+1) == 0)
859 if (i == (ssize_t) argc)
860 ThrowCompareException(OptionError,
"MissingArgument",option);
861 type=ParseCommandOption(MagickMetricOptions,MagickTrue,argv[i]);
863 ThrowCompareException(OptionError,
"UnrecognizedMetricType",
865 metric=(MetricType) type;
868 if (LocaleCompare(
"monitor",option+1) == 0)
870 ThrowCompareException(OptionError,
"UnrecognizedOption",option)
874 if (LocaleCompare(
"precision",option+1) == 0)
879 if (i == (ssize_t) argc)
880 ThrowCompareException(OptionError,
"MissingArgument",option);
881 if (IsGeometry(argv[i]) == MagickFalse)
882 ThrowCompareInvalidArgumentException(option,argv[i]);
885 if (LocaleCompare(
"passphrase",option+1) == 0)
890 if (i == (ssize_t) argc)
891 ThrowCompareException(OptionError,
"MissingArgument",option);
894 if (LocaleCompare(
"profile",option+1) == 0)
897 if (i == (ssize_t) argc)
898 ThrowCompareException(OptionError,
"MissingArgument",option);
901 ThrowCompareException(OptionError,
"UnrecognizedOption",option)
905 if (LocaleCompare(
"quality",option+1) == 0)
910 if (i == (ssize_t) argc)
911 ThrowCompareException(OptionError,
"MissingArgument",option);
912 if (IsGeometry(argv[i]) == MagickFalse)
913 ThrowCompareInvalidArgumentException(option,argv[i]);
916 if (LocaleCompare(
"quantize",option+1) == 0)
924 if (i == (ssize_t) argc)
925 ThrowCompareException(OptionError,
"MissingArgument",option);
926 colorspace=ParseCommandOption(MagickColorspaceOptions,
927 MagickFalse,argv[i]);
929 ThrowCompareException(OptionError,
"UnrecognizedColorspace",
933 if (LocaleCompare(
"quiet",option+1) == 0)
935 ThrowCompareException(OptionError,
"UnrecognizedOption",option)
939 if (LocaleCompare(
"regard-warnings",option+1) == 0)
941 if (LocaleCompare(
"repage",option+1) == 0)
946 if (i == (ssize_t) argc)
947 ThrowCompareException(OptionError,
"MissingArgument",option);
948 if (IsGeometry(argv[i]) == MagickFalse)
949 ThrowCompareInvalidArgumentException(option,argv[i]);
952 if (LocaleCompare(
"resize",option+1) == 0)
957 if (i == (ssize_t) argc)
958 ThrowCompareException(OptionError,
"MissingArgument",option);
959 if (IsGeometry(argv[i]) == MagickFalse)
960 ThrowCompareInvalidArgumentException(option,argv[i]);
963 if (LocaleCompare(
"rotate",option+1) == 0)
966 if (i == (ssize_t) argc)
967 ThrowCompareException(OptionError,
"MissingArgument",option);
968 if (IsGeometry(argv[i]) == MagickFalse)
969 ThrowCompareInvalidArgumentException(option,argv[i]);
972 if (LocaleNCompare(
"respect-parentheses",option+1,17) == 0)
974 respect_parenthesis=(*option ==
'-') ? MagickTrue : MagickFalse;
977 ThrowCompareException(OptionError,
"UnrecognizedOption",option)
981 if (LocaleCompare(
"sampling-factor",option+1) == 0)
986 if (i == (ssize_t) argc)
987 ThrowCompareException(OptionError,
"MissingArgument",option);
988 if (IsGeometry(argv[i]) == MagickFalse)
989 ThrowCompareInvalidArgumentException(option,argv[i]);
992 if (LocaleCompare(
"seed",option+1) == 0)
997 if (i == (ssize_t) argc)
998 ThrowCompareException(OptionError,
"MissingArgument",option);
999 if (IsGeometry(argv[i]) == MagickFalse)
1000 ThrowCompareInvalidArgumentException(option,argv[i]);
1003 if (LocaleCompare(
"separate",option+1) == 0)
1005 if (LocaleCompare(
"set",option+1) == 0)
1008 if (i == (ssize_t) argc)
1009 ThrowCompareException(OptionError,
"MissingArgument",option);
1013 if (i == (ssize_t) argc)
1014 ThrowCompareException(OptionError,
"MissingArgument",option);
1017 if (LocaleCompare(
"sigmoidal-contrast",option+1) == 0)
1020 if (i == (ssize_t) argc)
1021 ThrowCompareException(OptionError,
"MissingArgument",option);
1022 if (IsGeometry(argv[i]) == MagickFalse)
1023 ThrowCompareInvalidArgumentException(option,argv[i]);
1026 if (LocaleCompare(
"similarity-threshold",option+1) == 0)
1031 if (i == (ssize_t) argc)
1032 ThrowCompareException(OptionError,
"MissingArgument",option);
1033 if (IsGeometry(argv[i]) == MagickFalse)
1034 ThrowCompareInvalidArgumentException(option,argv[i]);
1036 similarity_threshold=DefaultSimilarityThreshold;
1038 similarity_threshold=StringToDouble(argv[i],(
char **) NULL);
1041 if (LocaleCompare(
"size",option+1) == 0)
1046 if (i == (ssize_t) argc)
1047 ThrowCompareException(OptionError,
"MissingArgument",option);
1048 if (IsGeometry(argv[i]) == MagickFalse)
1049 ThrowCompareInvalidArgumentException(option,argv[i]);
1052 if (LocaleCompare(
"subimage-search",option+1) == 0)
1056 subimage_search=MagickFalse;
1059 subimage_search=MagickTrue;
1062 if (LocaleCompare(
"synchronize",option+1) == 0)
1064 ThrowCompareException(OptionError,
"UnrecognizedOption",option)
1068 if (LocaleCompare(
"taint",option+1) == 0)
1070 if (LocaleCompare(
"transparent-color",option+1) == 0)
1075 if (i == (ssize_t) argc)
1076 ThrowCompareException(OptionError,
"MissingArgument",option);
1079 if (LocaleCompare(
"trim",option+1) == 0)
1081 if (LocaleCompare(
"type",option+1) == 0)
1089 if (i == (ssize_t) argc)
1090 ThrowCompareException(OptionError,
"MissingArgument",option);
1091 type=ParseCommandOption(MagickTypeOptions,MagickFalse,argv[i]);
1093 ThrowCompareException(OptionError,
"UnrecognizedImageType",
1097 ThrowCompareException(OptionError,
"UnrecognizedOption",option)
1101 if (LocaleCompare(
"verbose",option+1) == 0)
1103 if ((LocaleCompare(
"version",option+1) == 0) ||
1104 (LocaleCompare(
"-version",option+1) == 0))
1106 ListMagickVersion(stdout);
1109 if (LocaleCompare(
"virtual-pixel",option+1) == 0)
1117 if (i == (ssize_t) argc)
1118 ThrowCompareException(OptionError,
"MissingArgument",option);
1119 method=ParseCommandOption(MagickVirtualPixelOptions,MagickFalse,
1122 ThrowCompareException(OptionError,
1123 "UnrecognizedVirtualPixelMethod",argv[i]);
1126 ThrowCompareException(OptionError,
"UnrecognizedOption",option)
1130 if (LocaleCompare(
"write",option+1) == 0)
1133 if (i == (ssize_t) argc)
1134 ThrowCompareException(OptionError,
"MissingArgument",option);
1137 ThrowCompareException(OptionError,
"UnrecognizedOption",option)
1142 ThrowCompareException(OptionError,
"UnrecognizedOption",option)
1144 fire=(GetCommandOptionFlags(MagickCommandOptions,MagickFalse,option) &
1145 FireOptionFlag) == 0 ? MagickFalse : MagickTrue;
1146 if (fire != MagickFalse)
1147 FireImageStack(MagickTrue,MagickTrue,MagickTrue);
1150 ThrowCompareException(OptionError,
"UnbalancedParenthesis",argv[i]);
1151 if (i-- != (ssize_t) (argc-1))
1152 ThrowCompareException(OptionError,
"MissingAnImageFilename",argv[i]);
1153 if ((image == (Image *) NULL) || (GetImageListLength(image) < 2))
1154 ThrowCompareException(OptionError,
"MissingAnImageFilename",argv[i]);
1155 FinalizeImageSettings(image_info,image,MagickTrue);
1156 if ((image == (Image *) NULL) || (GetImageListLength(image) < 2))
1157 ThrowCompareException(OptionError,
"MissingAnImageFilename",argv[i]);
1158 image=GetImageFromList(image,0);
1159 reconstruct_image=GetImageFromList(image,1);
1162 distortion_metric=metric;
1163 if (subimage_search != MagickFalse)
1166 artifact[MaxTextExtent];
1168 (void) FormatLocaleString(artifact,MaxTextExtent,
"%g",
1169 similarity_threshold);
1170 (void) SetImageArtifact(image,
"compare:similarity-threshold",artifact);
1171 similarity_image=SimilarityMetricImage(image,reconstruct_image,metric,
1172 &offset,&similarity_metric,exception);
1173 if (similarity_metric >= dissimilarity_threshold)
1174 (void) ThrowMagickException(exception,GetMagickModule(),ImageWarning,
1175 "ImagesTooDissimilar",
"`%s'",image->filename);
1176 if ((metric != MeanSquaredErrorMetric) &&
1177 (metric != PeakSignalToNoiseRatioMetric))
1178 distortion_metric=MeanSquaredErrorMetric;
1180 if (similarity_image == (Image *) NULL)
1181 difference_image=CompareImageChannels(image,reconstruct_image,channels,
1182 distortion_metric,&distortion,exception);
1191 composite_image=CloneImage(image,0,0,MagickTrue,exception);
1192 if (composite_image == (Image *) NULL)
1193 difference_image=CompareImageChannels(image,reconstruct_image,
1194 channels,distortion_metric,&distortion,exception);
1203 (void) CompositeImage(composite_image,CopyCompositeOp,
1204 reconstruct_image,offset.x,offset.y);
1205 difference_image=CompareImageChannels(image,composite_image,channels,
1206 distortion_metric,&distortion,exception);
1207 if (difference_image != (Image *) NULL)
1209 difference_image->page.x=offset.x;
1210 difference_image->page.y=offset.y;
1212 composite_image=DestroyImage(composite_image);
1213 page.width=reconstruct_image->columns;
1214 page.height=reconstruct_image->rows;
1217 distort_image=CropImage(image,&page,exception);
1218 if (distort_image != (Image *) NULL)
1223 sans_image=CompareImages(distort_image,reconstruct_image,
1224 distortion_metric,&distortion,exception);
1225 if (sans_image != (Image *) NULL)
1226 sans_image=DestroyImage(sans_image);
1227 distort_image=DestroyImage(distort_image);
1230 if (difference_image != (Image *) NULL)
1232 AppendImageToList(&difference_image,similarity_image);
1233 similarity_image=(Image *) NULL;
1238 case AbsoluteErrorMetric:
1244 SetImageDistortionBounds(image,reconstruct_image,&columns,&rows);
1245 scale=(double) columns*rows;
1248 case NormalizedCrossCorrelationErrorMetric:
1254 (void) GetImageRange(reconstruct_image,&minima,&maxima,exception);
1255 if (fabs(maxima-minima) < MagickEpsilon)
1256 (void) ThrowMagickException(exception,GetMagickModule(),ImageWarning,
1257 CompareConstantColorException,
"(%s)",CommandOptionToMnemonic(
1258 MagickMetricOptions,(ssize_t) metric));
1261 case PeakAbsoluteErrorMetric:
1263 if ((subimage_search != MagickFalse) &&
1264 (image->columns == reconstruct_image->columns) &&
1265 (image->rows == reconstruct_image->rows))
1266 (void) ThrowMagickException(exception,GetMagickModule(),ImageWarning,
1267 CompareEqualSizedException,
"(%s)",CommandOptionToMnemonic(
1268 MagickMetricOptions,(ssize_t) metric));
1271 case PerceptualHashErrorMetric:
1273 if (subimage_search == MagickFalse)
1279 (void) GetImageRange(reconstruct_image,&minima,&maxima,exception);
1280 if (fabs(maxima-minima) < MagickEpsilon)
1281 (void) ThrowMagickException(exception,GetMagickModule(),
1282 ImageWarning,CompareConstantColorException,
"(%s)",
1283 CommandOptionToMnemonic(MagickMetricOptions,(ssize_t) metric));
1285 if ((subimage_search != MagickFalse) &&
1286 (image->columns == reconstruct_image->columns) &&
1287 (image->rows == reconstruct_image->rows))
1288 (void) ThrowMagickException(exception,GetMagickModule(),ImageWarning,
1289 CompareEqualSizedException,
"(%s)",CommandOptionToMnemonic(
1290 MagickMetricOptions,(ssize_t) metric));
1293 case PeakSignalToNoiseRatioMetric:
1295 scale=MagickPSNRDistortion;
1301 if (fabs(distortion) > CompareEpsilon)
1302 similar=MagickFalse;
1303 if (difference_image == (Image *) NULL)
1307 if (image_info->verbose != MagickFalse)
1308 (void) IsImagesEqual(image,reconstruct_image);
1309 if (*difference_image->magick ==
'\0')
1310 (void) CopyMagickString(difference_image->magick,image->magick,
1312 if (image_info->verbose == MagickFalse)
1316 case AbsoluteErrorMetric:
1318 (void) FormatLocaleFile(stderr,
"%.*g (%.*g)",GetMagickPrecision(),
1319 ceil(scale*distortion),GetMagickPrecision(),distortion);
1322 case MeanErrorPerPixelMetric:
1324 (void) FormatLocaleFile(stderr,
"%.*g (%.*g, %.*g)",
1325 GetMagickPrecision(),scale*distortion,
1326 GetMagickPrecision(),distortion,GetMagickPrecision(),
1327 image->error.normalized_maximum_error);
1332 (void) FormatLocaleFile(stderr,
"%.*g (%.*g)",GetMagickPrecision(),
1333 scale*distortion,GetMagickPrecision(),distortion);
1337 if (subimage_search != MagickFalse)
1338 (void) FormatLocaleFile(stderr,
" @ %.20g,%.20g [%.*g]",
1339 (
double) offset.x,(
double) offset.y,GetMagickPrecision(),
1345 *channel_distortion;
1347 channel_distortion=GetImageChannelDistortions(image,reconstruct_image,
1348 metric,&image->exception);
1349 (void) FormatLocaleFile(stderr,
"Image: %s\n",image->filename);
1350 if ((reconstruct_image->columns != image->columns) ||
1351 (reconstruct_image->rows != image->rows))
1352 (void) FormatLocaleFile(stderr,
"Offset: %.20g,%.20g\n",(
double)
1353 difference_image->page.x,(
double) difference_image->page.y);
1354 (void) FormatLocaleFile(stderr,
" Channel distortion: %s\n",
1355 CommandOptionToMnemonic(MagickMetricOptions,(ssize_t) metric));
1358 case FuzzErrorMetric:
1359 case MeanAbsoluteErrorMetric:
1360 case MeanSquaredErrorMetric:
1361 case PeakAbsoluteErrorMetric:
1362 case RootMeanSquaredErrorMetric:
1363 case UndefinedErrorMetric:
1365 switch (image->colorspace)
1370 (void) FormatLocaleFile(stderr,
" red: %.*g (%.*g)\n",
1371 GetMagickPrecision(),scale*channel_distortion[RedChannel],
1372 GetMagickPrecision(),channel_distortion[RedChannel]);
1373 (void) FormatLocaleFile(stderr,
" green: %.*g (%.*g)\n",
1374 GetMagickPrecision(),scale*channel_distortion[GreenChannel],
1375 GetMagickPrecision(),channel_distortion[GreenChannel]);
1376 (void) FormatLocaleFile(stderr,
" blue: %.*g (%.*g)\n",
1377 GetMagickPrecision(),scale*channel_distortion[BlueChannel],
1378 GetMagickPrecision(),channel_distortion[BlueChannel]);
1379 if (image->matte != MagickFalse)
1380 (void) FormatLocaleFile(stderr,
" alpha: %.*g (%.*g)\n",
1381 GetMagickPrecision(),scale*
1382 channel_distortion[OpacityChannel],GetMagickPrecision(),
1383 channel_distortion[OpacityChannel]);
1386 case CMYKColorspace:
1388 (void) FormatLocaleFile(stderr,
" cyan: %.*g (%.*g)\n",
1389 GetMagickPrecision(),scale*channel_distortion[CyanChannel],
1390 GetMagickPrecision(),channel_distortion[CyanChannel]);
1391 (void) FormatLocaleFile(stderr,
" magenta: %.*g (%.*g)\n",
1392 GetMagickPrecision(),scale*
1393 channel_distortion[MagentaChannel],GetMagickPrecision(),
1394 channel_distortion[MagentaChannel]);
1395 (void) FormatLocaleFile(stderr,
" yellow: %.*g (%.*g)\n",
1396 GetMagickPrecision(),scale*
1397 channel_distortion[YellowChannel],GetMagickPrecision(),
1398 channel_distortion[YellowChannel]);
1399 (void) FormatLocaleFile(stderr,
" black: %.*g (%.*g)\n",
1400 GetMagickPrecision(),scale*channel_distortion[BlackChannel],
1401 GetMagickPrecision(),channel_distortion[BlackChannel]);
1402 if (image->matte != MagickFalse)
1403 (void) FormatLocaleFile(stderr,
" alpha: %.*g (%.*g)\n",
1404 GetMagickPrecision(),scale*
1405 channel_distortion[OpacityChannel],GetMagickPrecision(),
1406 channel_distortion[OpacityChannel]);
1409 case LinearGRAYColorspace:
1410 case GRAYColorspace:
1412 (void) FormatLocaleFile(stderr,
" gray: %.*g (%.*g)\n",
1413 GetMagickPrecision(),scale*channel_distortion[GrayChannel],
1414 GetMagickPrecision(),channel_distortion[GrayChannel]);
1415 if (image->matte != MagickFalse)
1416 (void) FormatLocaleFile(stderr,
" alpha: %.*g (%.*g)\n",
1417 GetMagickPrecision(),scale*
1418 channel_distortion[OpacityChannel],GetMagickPrecision(),
1419 channel_distortion[OpacityChannel]);
1423 (void) FormatLocaleFile(stderr,
" all: %.*g (%.*g)\n",
1424 GetMagickPrecision(),scale*
1425 channel_distortion[CompositeChannels],GetMagickPrecision(),
1426 channel_distortion[CompositeChannels]);
1429 case AbsoluteErrorMetric:
1430 case NormalizedCrossCorrelationErrorMetric:
1431 case PeakSignalToNoiseRatioMetric:
1432 case PerceptualHashErrorMetric:
1434 switch (image->colorspace)
1439 (void) FormatLocaleFile(stderr,
" red: %.*g\n",
1440 GetMagickPrecision(),channel_distortion[RedChannel]);
1441 (void) FormatLocaleFile(stderr,
" green: %.*g\n",
1442 GetMagickPrecision(),channel_distortion[GreenChannel]);
1443 (void) FormatLocaleFile(stderr,
" blue: %.*g\n",
1444 GetMagickPrecision(),channel_distortion[BlueChannel]);
1445 if (image->matte != MagickFalse)
1446 (void) FormatLocaleFile(stderr,
" alpha: %.*g\n",
1447 GetMagickPrecision(),channel_distortion[OpacityChannel]);
1450 case CMYKColorspace:
1452 (void) FormatLocaleFile(stderr,
" cyan: %.*g\n",
1453 GetMagickPrecision(),channel_distortion[CyanChannel]);
1454 (void) FormatLocaleFile(stderr,
" magenta: %.*g\n",
1455 GetMagickPrecision(),channel_distortion[MagentaChannel]);
1456 (void) FormatLocaleFile(stderr,
" yellow: %.*g\n",
1457 GetMagickPrecision(),channel_distortion[YellowChannel]);
1458 (void) FormatLocaleFile(stderr,
" black: %.*g\n",
1459 GetMagickPrecision(),channel_distortion[BlackChannel]);
1460 if (image->matte != MagickFalse)
1461 (void) FormatLocaleFile(stderr,
" alpha: %.*g\n",
1462 GetMagickPrecision(),channel_distortion[OpacityChannel]);
1465 case LinearGRAYColorspace:
1466 case GRAYColorspace:
1468 (void) FormatLocaleFile(stderr,
" gray: %.*g\n",
1469 GetMagickPrecision(),channel_distortion[GrayChannel]);
1470 if (image->matte != MagickFalse)
1471 (void) FormatLocaleFile(stderr,
" alpha: %.*g\n",
1472 GetMagickPrecision(),channel_distortion[OpacityChannel]);
1476 (void) FormatLocaleFile(stderr,
" all: %.*g\n",
1477 GetMagickPrecision(),channel_distortion[CompositeChannels]);
1480 case MeanErrorPerPixelMetric:
1482 (void) FormatLocaleFile(stderr,
" %.*g (%.*g, %.*g)\n",
1483 GetMagickPrecision(),channel_distortion[CompositeChannels],
1484 GetMagickPrecision(),channel_distortion[CompositeChannels],
1485 GetMagickPrecision(),image->error.normalized_maximum_error);
1489 channel_distortion=(
double *) RelinquishMagickMemory(
1490 channel_distortion);
1491 if (subimage_search != MagickFalse)
1493 (void) FormatLocaleFile(stderr,
" Offset: %.20g,%.20g\n",
1494 (
double) difference_image->page.x,(
double)
1495 difference_image->page.y);
1496 (void) FormatLocaleFile(stderr,
" Similarity metric: %.*g\n",
1497 GetMagickPrecision(),similarity_metric);
1500 (void) ResetImagePage(difference_image,
"0x0+0+0");
1501 if (difference_image->next != (Image *) NULL)
1502 (void) ResetImagePage(difference_image->next,
"0x0+0+0");
1503 status&=WriteImages(image_info,difference_image,argv[argc-1],exception);
1504 if ((metadata != (
char **) NULL) && (format != (
char *) NULL))
1509 text=InterpretImageProperties(image_info,difference_image,format);
1510 InheritException(exception,&image->exception);
1511 if (text == (
char *) NULL)
1512 ThrowCompareException(ResourceLimitError,
"MemoryAllocationFailed",
1513 GetExceptionMessage(errno));
1514 (void) ConcatenateString(&(*metadata),text);
1515 text=DestroyString(text);
1517 difference_image=DestroyImageList(difference_image);
1520 image_info=restore_info;
1521 if (similar == MagickFalse)
1522 (void) SetImageOption(image_info,
"compare:dissimilar",
"true");
1523 return(status != 0 ? MagickTrue : MagickFalse);