This source file includes following definitions.
- CompareUsage
- CompareImageCommand
#include "wand/studio.h"
#include "wand/MagickWand.h"
#include "wand/mogrify-private.h"
#include "magick/string-private.h"
static MagickBooleanType CompareUsage(void)
{
const char
**p;
static const char
*miscellaneous[]=
{
"-debug events display copious debugging information",
"-help print program options",
"-list type print a list of supported option arguments",
"-log format format of debugging information",
(char *) NULL
},
*settings[]=
{
"-alpha option on, activate, off, deactivate, set, opaque, copy",
" transparent, extract, background, or shape",
"-authenticate password",
" decipher image with this password",
"-channel type apply option to select image channels",
"-colorspace type alternate image colorspace",
"-compose operator set image composite operator",
"-compress type type of pixel compression when writing the image",
"-decipher filename convert cipher pixels to plain pixels",
"-define format:option",
" define one or more image format options",
"-density geometry horizontal and vertical density of the image",
"-depth value image depth",
"-dissimilarity-threshold value",
" maximum distortion for (sub)image match",
"-encipher filename convert plain pixels to cipher pixels",
"-extract geometry extract area from image",
"-format \"string\" output formatted image characteristics",
"-fuzz distance colors within this distance are considered equal",
"-highlight-color color",
" empasize pixel differences with this color",
"-identify identify the format and characteristics of the image",
"-interlace type type of image interlacing scheme",
"-limit type value pixel cache resource limit",
"-lowlight-color color",
" de-emphasize pixel differences with this color",
"-metric type measure differences between images with this metric",
"-monitor monitor progress",
"-passphrase filename get the passphrase from this file",
"-profile filename add, delete, or apply an image profile",
"-quality value JPEG/MIFF/PNG compression level",
"-quiet suppress all warning messages",
"-quantize colorspace reduce colors in this colorspace",
"-regard-warnings pay attention to warning messages",
"-respect-parentheses settings remain in effect until parenthesis boundary",
"-sampling-factor geometry",
" horizontal and vertical sampling factor",
"-seed value seed a new sequence of pseudo-random numbers",
"-set attribute value set an image attribute",
"-quality value JPEG/MIFF/PNG compression level",
"-similarity-threshold value",
" minimum distortion for (sub)image match",
"-size geometry width and height of image",
"-subimage-search search for subimage",
"-synchronize synchronize image to storage device",
"-taint declare the image as modified",
"-transparent-color color",
" transparent color",
"-type type image type",
"-verbose print detailed information about the image",
"-version print version information",
"-virtual-pixel method",
" virtual pixel access method",
(char *) NULL
};
ListMagickVersion(stdout);
(void) printf("Usage: %s [options ...] image reconstruct difference\n",
GetClientName());
(void) printf("\nImage Settings:\n");
for (p=settings; *p != (char *) NULL; p++)
(void) printf(" %s\n",*p);
(void) printf("\nMiscellaneous Options:\n");
for (p=miscellaneous; *p != (char *) NULL; p++)
(void) printf(" %s\n",*p);
(void) printf(
"\nBy default, the image format of `file' is determined by its magic\n");
(void) printf(
"number. To specify a particular image format, precede the filename\n");
(void) printf(
"with an image format name and a colon (i.e. ps:image) or specify the\n");
(void) printf(
"image type as the filename suffix (i.e. image.ps). Specify 'file' as\n");
(void) printf("'-' for standard input or output.\n");
return(MagickFalse);
}
WandExport MagickBooleanType CompareImageCommand(ImageInfo *image_info,
int argc,char **argv,char **metadata,ExceptionInfo *exception)
{
#define CompareEpsilon (1.0e-06)
#define DefaultDissimilarityThreshold 0.31830988618379067154
#define DefaultSimilarityThreshold (-1.0)
#define DestroyCompare() \
{ \
if (similarity_image != (Image *) NULL) \
similarity_image=DestroyImageList(similarity_image); \
if (difference_image != (Image *) NULL) \
difference_image=DestroyImageList(difference_image); \
DestroyImageStack(); \
for (i=0; i < (ssize_t) argc; i++) \
argv[i]=DestroyString(argv[i]); \
argv=(char **) RelinquishMagickMemory(argv); \
}
#define ThrowCompareException(asperity,tag,option) \
{ \
if (exception->severity < (asperity)) \
(void) ThrowMagickException(exception,GetMagickModule(),asperity,tag, \
"`%s'",option); \
DestroyCompare(); \
return(MagickFalse); \
}
#define ThrowCompareInvalidArgumentException(option,argument) \
{ \
(void) ThrowMagickException(exception,GetMagickModule(),OptionError, \
"InvalidArgument","`%s': %s",option,argument); \
DestroyCompare(); \
return(MagickFalse); \
}
char
*filename,
*option;
const char
*format;
ChannelType
channels;
double
dissimilarity_threshold,
distortion,
similarity_metric,
similarity_threshold;
Image
*difference_image,
*image,
*reconstruct_image,
*similarity_image;
ImageInfo
*restore_info;
ImageStack
image_stack[MaxImageStackDepth+1];
MagickBooleanType
fire,
pend,
respect_parenthesis,
subimage_search;
MagickStatusType
status;
MetricType
metric;
RectangleInfo
offset;
register ssize_t
i;
ssize_t
j,
k;
assert(image_info != (ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
assert(exception != (ExceptionInfo *) NULL);
if (argc == 2)
{
option=argv[1];
if ((LocaleCompare("version",option+1) == 0) ||
(LocaleCompare("-version",option+1) == 0))
{
ListMagickVersion(stdout);
return(MagickTrue);
}
}
if (argc < 3)
return(CompareUsage());
restore_info=image_info;
channels=CompositeChannels;
difference_image=NewImageList();
similarity_image=NewImageList();
dissimilarity_threshold=DefaultDissimilarityThreshold;
similarity_threshold=DefaultSimilarityThreshold;
distortion=0.0;
format=(char *) NULL;
j=1;
k=0;
metric=UndefinedErrorMetric;
NewImageStack();
option=(char *) NULL;
pend=MagickFalse;
reconstruct_image=NewImageList();
respect_parenthesis=MagickFalse;
status=MagickTrue;
subimage_search=MagickFalse;
ReadCommandlLine(argc,&argv);
status=ExpandFilenames(&argc,&argv);
if (status == MagickFalse)
ThrowCompareException(ResourceLimitError,"MemoryAllocationFailed",
GetExceptionMessage(errno));
for (i=1; i < (ssize_t) (argc-1); i++)
{
option=argv[i];
if (LocaleCompare(option,"(") == 0)
{
FireImageStack(MagickTrue,MagickTrue,pend);
if (k == MaxImageStackDepth)
ThrowCompareException(OptionError,"ParenthesisNestedTooDeeply",
option);
PushImageStack();
continue;
}
if (LocaleCompare(option,")") == 0)
{
FireImageStack(MagickTrue,MagickTrue,MagickTrue);
if (k == 0)
ThrowCompareException(OptionError,"UnableToParseExpression",option);
PopImageStack();
continue;
}
if (IsCommandOption(option) == MagickFalse)
{
Image
*images;
FireImageStack(MagickFalse,MagickFalse,pend);
filename=argv[i];
if ((LocaleCompare(filename,"--") == 0) && (i < (ssize_t) (argc-1)))
filename=argv[++i];
(void) SetImageOption(image_info,"filename",filename);
(void) CopyMagickString(image_info->filename,filename,MaxTextExtent);
images=ReadImages(image_info,exception);
status&=(images != (Image *) NULL) &&
(exception->severity < ErrorException);
if (images == (Image *) NULL)
continue;
AppendImageStack(images);
continue;
}
pend=image != (Image *) NULL ? MagickTrue : MagickFalse;
switch (*(option+1))
{
case 'a':
{
if (LocaleCompare("alpha",option+1) == 0)
{
ssize_t
type;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
type=ParseCommandOption(MagickAlphaOptions,MagickFalse,argv[i]);
if (type < 0)
ThrowCompareException(OptionError,"UnrecognizedAlphaChannelType",
argv[i]);
break;
}
if (LocaleCompare("authenticate",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
break;
}
ThrowCompareException(OptionError,"UnrecognizedOption",option);
}
case 'c':
{
if (LocaleCompare("cache",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowCompareInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("channel",option+1) == 0)
{
ssize_t
channel;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
channel=ParseChannelOption(argv[i]);
if (channel < 0)
ThrowCompareException(OptionError,"UnrecognizedChannelType",
argv[i]);
channels=(ChannelType) channel;
break;
}
if (LocaleCompare("colorspace",option+1) == 0)
{
ssize_t
colorspace;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
colorspace=ParseCommandOption(MagickColorspaceOptions,MagickFalse,
argv[i]);
if (colorspace < 0)
ThrowCompareException(OptionError,"UnrecognizedColorspace",
argv[i]);
break;
}
if (LocaleCompare("compose",option+1) == 0)
{
ssize_t
compose;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
compose=ParseCommandOption(MagickComposeOptions,MagickFalse,
argv[i]);
if (compose < 0)
ThrowCompareException(OptionError,"UnrecognizedComposeOperator",
argv[i]);
break;
}
if (LocaleCompare("compress",option+1) == 0)
{
ssize_t
compress;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
compress=ParseCommandOption(MagickCompressOptions,MagickFalse,
argv[i]);
if (compress < 0)
ThrowCompareException(OptionError,"UnrecognizedImageCompression",
argv[i]);
break;
}
if (LocaleCompare("concurrent",option+1) == 0)
break;
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case 'd':
{
if (LocaleCompare("debug",option+1) == 0)
{
LogEventType
event_mask;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
event_mask=SetLogEventMask(argv[i]);
if (event_mask == UndefinedEvents)
ThrowCompareException(OptionError,"UnrecognizedEventType",
argv[i]);
break;
}
if (LocaleCompare("decipher",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
break;
}
if (LocaleCompare("define",option+1) == 0)
{
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (*option == '+')
{
const char
*define;
define=GetImageOption(image_info,argv[i]);
if (define == (const char *) NULL)
ThrowCompareException(OptionError,"NoSuchOption",argv[i]);
break;
}
break;
}
if (LocaleCompare("density",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowCompareInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("depth",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowCompareInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("dissimilarity-threshold",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowCompareInvalidArgumentException(option,argv[i]);
if (*option == '+')
dissimilarity_threshold=DefaultDissimilarityThreshold;
else
dissimilarity_threshold=StringToDouble(argv[i],(char **) NULL);
break;
}
if (LocaleCompare("duration",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowCompareInvalidArgumentException(option,argv[i]);
break;
}
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case 'e':
{
if (LocaleCompare("encipher",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
break;
}
if (LocaleCompare("extract",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowCompareInvalidArgumentException(option,argv[i]);
break;
}
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case 'f':
{
if (LocaleCompare("format",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
format=argv[i];
break;
}
if (LocaleCompare("fuzz",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowCompareInvalidArgumentException(option,argv[i]);
break;
}
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case 'h':
{
if ((LocaleCompare("help",option+1) == 0) ||
(LocaleCompare("-help",option+1) == 0))
return(CompareUsage());
if (LocaleCompare("highlight-color",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
break;
}
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case 'i':
{
if (LocaleCompare("identify",option+1) == 0)
break;
if (LocaleCompare("interlace",option+1) == 0)
{
ssize_t
interlace;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
interlace=ParseCommandOption(MagickInterlaceOptions,MagickFalse,
argv[i]);
if (interlace < 0)
ThrowCompareException(OptionError,"UnrecognizedInterlaceType",
argv[i]);
break;
}
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case 'l':
{
if (LocaleCompare("limit",option+1) == 0)
{
char
*p;
double
value;
ssize_t
resource;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
resource=ParseCommandOption(MagickResourceOptions,MagickFalse,
argv[i]);
if (resource < 0)
ThrowCompareException(OptionError,"UnrecognizedResourceType",
argv[i]);
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
value=StringToDouble(argv[i],&p);
(void) value;
if ((p == argv[i]) && (LocaleCompare("unlimited",argv[i]) != 0))
ThrowCompareInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("list",option+1) == 0)
{
ssize_t
list;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
list=ParseCommandOption(MagickListOptions,MagickFalse,argv[i]);
if (list < 0)
ThrowCompareException(OptionError,"UnrecognizedListType",argv[i]);
status=MogrifyImageInfo(image_info,(int) (i-j+1),(const char **)
argv+j,exception);
DestroyCompare();
return(status == 0 ? MagickTrue : MagickFalse);
}
if (LocaleCompare("log",option+1) == 0)
{
if (*option == '+')
break;
i++;
if ((i == (ssize_t) argc) || (strchr(argv[i],'%') == (char *) NULL))
ThrowCompareException(OptionError,"MissingArgument",option);
break;
}
if (LocaleCompare("lowlight-color",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
break;
}
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case 'm':
{
if (LocaleCompare("matte",option+1) == 0)
break;
if (LocaleCompare("metric",option+1) == 0)
{
ssize_t
type;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
type=ParseCommandOption(MagickMetricOptions,MagickTrue,argv[i]);
if (type < 0)
ThrowCompareException(OptionError,"UnrecognizedMetricType",
argv[i]);
metric=(MetricType) type;
break;
}
if (LocaleCompare("monitor",option+1) == 0)
break;
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case 'p':
{
if (LocaleCompare("passphrase",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
break;
}
if (LocaleCompare("profile",option+1) == 0)
{
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
break;
}
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case 'q':
{
if (LocaleCompare("quality",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowCompareInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("quantize",option+1) == 0)
{
ssize_t
colorspace;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
colorspace=ParseCommandOption(MagickColorspaceOptions,
MagickFalse,argv[i]);
if (colorspace < 0)
ThrowCompareException(OptionError,"UnrecognizedColorspace",
argv[i]);
break;
}
if (LocaleCompare("quiet",option+1) == 0)
break;
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case 'r':
{
if (LocaleCompare("regard-warnings",option+1) == 0)
break;
if (LocaleNCompare("respect-parentheses",option+1,17) == 0)
{
respect_parenthesis=(*option == '-') ? MagickTrue : MagickFalse;
break;
}
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case 's':
{
if (LocaleCompare("sampling-factor",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowCompareInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("seed",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowCompareInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("set",option+1) == 0)
{
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
break;
}
if (LocaleCompare("similarity-threshold",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowCompareInvalidArgumentException(option,argv[i]);
if (*option == '+')
similarity_threshold=DefaultSimilarityThreshold;
else
similarity_threshold=StringToDouble(argv[i],(char **) NULL);
break;
}
if (LocaleCompare("size",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowCompareInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("subimage-search",option+1) == 0)
{
if (*option == '+')
{
subimage_search=MagickFalse;
break;
}
subimage_search=MagickTrue;
break;
}
if (LocaleCompare("synchronize",option+1) == 0)
break;
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case 't':
{
if (LocaleCompare("taint",option+1) == 0)
break;
if (LocaleCompare("transparent-color",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
break;
}
if (LocaleCompare("type",option+1) == 0)
{
ssize_t
type;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
type=ParseCommandOption(MagickTypeOptions,MagickFalse,argv[i]);
if (type < 0)
ThrowCompareException(OptionError,"UnrecognizedImageType",
argv[i]);
break;
}
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case 'v':
{
if (LocaleCompare("verbose",option+1) == 0)
break;
if ((LocaleCompare("version",option+1) == 0) ||
(LocaleCompare("-version",option+1) == 0))
{
ListMagickVersion(stdout);
break;
}
if (LocaleCompare("virtual-pixel",option+1) == 0)
{
ssize_t
method;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowCompareException(OptionError,"MissingArgument",option);
method=ParseCommandOption(MagickVirtualPixelOptions,MagickFalse,
argv[i]);
if (method < 0)
ThrowCompareException(OptionError,
"UnrecognizedVirtualPixelMethod",argv[i]);
break;
}
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
case '?':
break;
default:
ThrowCompareException(OptionError,"UnrecognizedOption",option)
}
fire=(GetCommandOptionFlags(MagickCommandOptions,MagickFalse,option) &
FireOptionFlag) == 0 ? MagickFalse : MagickTrue;
if (fire != MagickFalse)
FireImageStack(MagickTrue,MagickTrue,MagickTrue);
}
if (k != 0)
ThrowCompareException(OptionError,"UnbalancedParenthesis",argv[i]);
if (i-- != (ssize_t) (argc-1))
ThrowCompareException(OptionError,"MissingAnImageFilename",argv[i]);
if ((image == (Image *) NULL) || (GetImageListLength(image) < 2))
ThrowCompareException(OptionError,"MissingAnImageFilename",argv[i]);
FinalizeImageSettings(image_info,image,MagickTrue);
if ((image == (Image *) NULL) || (GetImageListLength(image) < 2))
ThrowCompareException(OptionError,"MissingAnImageFilename",argv[i]);
image=GetImageFromList(image,0);
reconstruct_image=GetImageFromList(image,1);
offset.x=0;
offset.y=0;
if (subimage_search != MagickFalse)
{
char
artifact[MaxTextExtent];
(void) FormatLocaleString(artifact,MaxTextExtent,"%g",
similarity_threshold);
(void) SetImageArtifact(image,"compare:similarity-threshold",artifact);
similarity_image=SimilarityMetricImage(image,reconstruct_image,metric,
&offset,&similarity_metric,exception);
if (similarity_metric > dissimilarity_threshold)
ThrowCompareException(ImageError,"ImagesTooDissimilar",image->filename);
}
if ((reconstruct_image->columns == image->columns) &&
(reconstruct_image->rows == image->rows))
difference_image=CompareImageChannels(image,reconstruct_image,channels,
metric,&distortion,exception);
else
if (similarity_image == (Image *) NULL)
{
if (metric == PerceptualHashErrorMetric)
difference_image=CompareImageChannels(image,reconstruct_image,
channels,metric,&distortion,exception);
else
ThrowCompareException(OptionError,"ImageWidthsOrHeightsDiffer",
image->filename);
}
else
{
Image
*composite_image;
composite_image=CloneImage(image,0,0,MagickTrue,exception);
if (composite_image == (Image *) NULL)
difference_image=CompareImageChannels(image,reconstruct_image,
channels,metric,&distortion,exception);
else
{
Image
*distort_image;
RectangleInfo
page;
(void) CompositeImage(composite_image,CopyCompositeOp,
reconstruct_image,offset.x,offset.y);
difference_image=CompareImageChannels(image,composite_image,
channels,metric,&distortion,exception);
if (difference_image != (Image *) NULL)
{
difference_image->page.x=offset.x;
difference_image->page.y=offset.y;
}
composite_image=DestroyImage(composite_image);
page.width=reconstruct_image->columns;
page.height=reconstruct_image->rows;
page.x=offset.x;
page.y=offset.y;
distort_image=CropImage(image,&page,exception);
if (distort_image != (Image *) NULL)
{
Image
*sans_image;
sans_image=CompareImageChannels(distort_image,reconstruct_image,
channels,metric,&distortion,exception);
distort_image=DestroyImage(distort_image);
if (sans_image != (Image *) NULL)
sans_image=DestroyImage(sans_image);
}
}
if (difference_image != (Image *) NULL)
{
AppendImageToList(&difference_image,similarity_image);
similarity_image=(Image *) NULL;
}
}
if (difference_image == (Image *) NULL)
status=0;
else
{
if (image_info->verbose != MagickFalse)
(void) IsImagesEqual(image,reconstruct_image);
if (*difference_image->magick == '\0')
(void) CopyMagickString(difference_image->magick,image->magick,
MaxTextExtent);
if (image_info->verbose == MagickFalse)
{
switch (metric)
{
case FuzzErrorMetric:
case MeanAbsoluteErrorMetric:
case MeanSquaredErrorMetric:
case PeakAbsoluteErrorMetric:
case RootMeanSquaredErrorMetric:
{
(void) FormatLocaleFile(stderr,"%g (%g)",QuantumRange*distortion,
(double) distortion);
break;
}
case AbsoluteErrorMetric:
case NormalizedCrossCorrelationErrorMetric:
case PeakSignalToNoiseRatioMetric:
case PerceptualHashErrorMetric:
{
(void) FormatLocaleFile(stderr,"%g",distortion);
break;
}
case MeanErrorPerPixelMetric:
{
(void) FormatLocaleFile(stderr,"%g (%g, %g)",distortion,
image->error.normalized_mean_error,
image->error.normalized_maximum_error);
break;
}
case UndefinedErrorMetric:
break;
}
if (subimage_search != MagickFalse)
(void) FormatLocaleFile(stderr," @ %.20g,%.20g",(double)
difference_image->page.x,(double) difference_image->page.y);
}
else
{
double
*channel_distortion;
channel_distortion=GetImageChannelDistortions(image,reconstruct_image,
metric,&image->exception);
(void) FormatLocaleFile(stderr,"Image: %s\n",image->filename);
if ((reconstruct_image->columns != image->columns) ||
(reconstruct_image->rows != image->rows))
(void) FormatLocaleFile(stderr,"Offset: %.20g,%.20g\n",(double)
difference_image->page.x,(double) difference_image->page.y);
(void) FormatLocaleFile(stderr," Channel distortion: %s\n",
CommandOptionToMnemonic(MagickMetricOptions,(ssize_t) metric));
switch (metric)
{
case FuzzErrorMetric:
case MeanAbsoluteErrorMetric:
case MeanSquaredErrorMetric:
case PeakAbsoluteErrorMetric:
case RootMeanSquaredErrorMetric:
{
switch (image->colorspace)
{
case RGBColorspace:
default:
{
(void) FormatLocaleFile(stderr," red: %g (%g)\n",
QuantumRange*channel_distortion[RedChannel],
channel_distortion[RedChannel]);
(void) FormatLocaleFile(stderr," green: %g (%g)\n",
QuantumRange*channel_distortion[GreenChannel],
channel_distortion[GreenChannel]);
(void) FormatLocaleFile(stderr," blue: %g (%g)\n",
QuantumRange*channel_distortion[BlueChannel],
channel_distortion[BlueChannel]);
if (image->matte != MagickFalse)
(void) FormatLocaleFile(stderr," alpha: %g (%g)\n",
QuantumRange*channel_distortion[OpacityChannel],
channel_distortion[OpacityChannel]);
break;
}
case CMYKColorspace:
{
(void) FormatLocaleFile(stderr," cyan: %g (%g)\n",
QuantumRange*channel_distortion[CyanChannel],
channel_distortion[CyanChannel]);
(void) FormatLocaleFile(stderr," magenta: %g (%g)\n",
QuantumRange*channel_distortion[MagentaChannel],
channel_distortion[MagentaChannel]);
(void) FormatLocaleFile(stderr," yellow: %g (%g)\n",
QuantumRange*channel_distortion[YellowChannel],
channel_distortion[YellowChannel]);
(void) FormatLocaleFile(stderr," black: %g (%g)\n",
QuantumRange*channel_distortion[BlackChannel],
channel_distortion[BlackChannel]);
if (image->matte != MagickFalse)
(void) FormatLocaleFile(stderr," alpha: %g (%g)\n",
QuantumRange*channel_distortion[OpacityChannel],
channel_distortion[OpacityChannel]);
break;
}
case GRAYColorspace:
{
(void) FormatLocaleFile(stderr," gray: %g (%g)\n",
QuantumRange*channel_distortion[GrayChannel],
channel_distortion[GrayChannel]);
if (image->matte != MagickFalse)
(void) FormatLocaleFile(stderr," alpha: %g (%g)\n",
QuantumRange*channel_distortion[OpacityChannel],
channel_distortion[OpacityChannel]);
break;
}
}
(void) FormatLocaleFile(stderr," all: %g (%g)\n",
QuantumRange*channel_distortion[CompositeChannels],
channel_distortion[CompositeChannels]);
break;
}
case AbsoluteErrorMetric:
case NormalizedCrossCorrelationErrorMetric:
case PeakSignalToNoiseRatioMetric:
case PerceptualHashErrorMetric:
{
switch (image->colorspace)
{
case RGBColorspace:
default:
{
(void) FormatLocaleFile(stderr," red: %g\n",
channel_distortion[RedChannel]);
(void) FormatLocaleFile(stderr," green: %g\n",
channel_distortion[GreenChannel]);
(void) FormatLocaleFile(stderr," blue: %g\n",
channel_distortion[BlueChannel]);
if (image->matte != MagickFalse)
(void) FormatLocaleFile(stderr," alpha: %g\n",
channel_distortion[OpacityChannel]);
break;
}
case CMYKColorspace:
{
(void) FormatLocaleFile(stderr," cyan: %g\n",
channel_distortion[CyanChannel]);
(void) FormatLocaleFile(stderr," magenta: %g\n",
channel_distortion[MagentaChannel]);
(void) FormatLocaleFile(stderr," yellow: %g\n",
channel_distortion[YellowChannel]);
(void) FormatLocaleFile(stderr," black: %g\n",
channel_distortion[BlackChannel]);
if (image->matte != MagickFalse)
(void) FormatLocaleFile(stderr," alpha: %g\n",
channel_distortion[OpacityChannel]);
break;
}
case GRAYColorspace:
{
(void) FormatLocaleFile(stderr," gray: %g\n",
channel_distortion[GrayChannel]);
if (image->matte != MagickFalse)
(void) FormatLocaleFile(stderr," alpha: %g\n",
channel_distortion[OpacityChannel]);
break;
}
}
(void) FormatLocaleFile(stderr," all: %g\n",
channel_distortion[CompositeChannels]);
break;
}
case MeanErrorPerPixelMetric:
{
(void) FormatLocaleFile(stderr," %g (%g, %g)\n",
channel_distortion[CompositeChannels],
image->error.normalized_mean_error,
image->error.normalized_maximum_error);
break;
}
case UndefinedErrorMetric:
break;
}
channel_distortion=(double *) RelinquishMagickMemory(
channel_distortion);
if (subimage_search != MagickFalse)
(void) FormatLocaleFile(stderr," Offset: %.20g,%.20g\n",(double)
difference_image->page.x,(double) difference_image->page.y);
}
status&=WriteImages(image_info,difference_image,argv[argc-1],exception);
if ((metadata != (char **) NULL) && (format != (char *) NULL))
{
char
*text;
text=InterpretImageProperties(image_info,difference_image,format);
InheritException(exception,&image->exception);
if (text == (char *) NULL)
ThrowCompareException(ResourceLimitError,"MemoryAllocationFailed",
GetExceptionMessage(errno));
(void) ConcatenateString(&(*metadata),text);
text=DestroyString(text);
}
difference_image=DestroyImageList(difference_image);
}
DestroyCompare();
image_info=restore_info;
if ((metric == NormalizedCrossCorrelationErrorMetric) ||
(metric == UndefinedErrorMetric))
{
if (fabs(distortion-1.0) > CompareEpsilon)
(void) SetImageOption(image_info,"compare:dissimilar","true");
}
else
if (fabs(distortion) > CompareEpsilon)
(void) SetImageOption(image_info,"compare:dissimilar","true");
return(status != 0 ? MagickTrue : MagickFalse);
}