MagickWand 6.9.11-60
Convert, Edit, Or Compose Bitmap Images
compare.c File Reference
#include "wand/studio.h"
#include "wand/MagickWand.h"
#include "wand/mogrify-private.h"
#include "magick/string-private.h"
Include dependency graph for compare.c:

Macros

#define CompareEpsilon   (1.0e-06)
 
#define DefaultDissimilarityThreshold   0.31830988618379067154
 
#define DefaultSimilarityThreshold   (-1.0)
 
#define DestroyCompare()
 
#define ThrowCompareException(asperity, tag, option)
 
#define ThrowCompareInvalidArgumentException(option, argument)
 

Functions

static MagickBooleanType CompareUsage (void)
 
WandExport MagickBooleanType CompareImageCommand (ImageInfo *image_info, int argc, char **argv, char **metadata, ExceptionInfo *exception)
 

Macro Definition Documentation

◆ CompareEpsilon

#define CompareEpsilon   (1.0e-06)

◆ DefaultDissimilarityThreshold

#define DefaultDissimilarityThreshold   0.31830988618379067154

◆ DefaultSimilarityThreshold

#define DefaultSimilarityThreshold   (-1.0)

◆ DestroyCompare

#define DestroyCompare ( )
Value:
{ \
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); \
}

◆ ThrowCompareException

#define ThrowCompareException (   asperity,
  tag,
  option 
)
Value:
{ \
if (exception->severity < (asperity)) \
(void) ThrowMagickException(exception,GetMagickModule(),asperity,tag, \
"`%s'",option); \
DestroyCompare(); \
return(MagickFalse); \
}

◆ ThrowCompareInvalidArgumentException

#define ThrowCompareInvalidArgumentException (   option,
  argument 
)
Value:
{ \
(void) ThrowMagickException(exception,GetMagickModule(),OptionError, \
"InvalidArgument","`%s': %s",option,argument); \
DestroyCompare(); \
return(MagickFalse); \
}

Function Documentation

◆ CompareImageCommand()

◆ CompareUsage()

static MagickBooleanType CompareUsage ( void  )
static

Referenced by CompareImageCommand().