compare.c File Reference

#include "MagickWand/studio.h"
#include "MagickWand/MagickWand.h"
#include "MagickWand/mogrify-private.h"
#include "MagickCore/string-private.h"

Include dependency graph for compare.c:

Go to the source code of this file.

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	CompareImagesCommand (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

CompareImagesCommand()

WandExport MagickBooleanType CompareImagesCommand	(	ImageInfo *	image_info,
		int	argc,
		char **	argv,
		char **	metadata,
		ExceptionInfo *	exception
	)

Definition at line 199 of file compare.c.

References AppendImageStack, CompareEpsilon, CompareUsage(), DefaultDissimilarityThreshold, DefaultSimilarityThreshold, DestroyCompare, FinalizeImageSettings, FireImageStack, MagickPathExtent, MaxImageStackDepth, MogrifyImageInfo(), NewImageStack, PopImageStack, PushImageStack, ReadCommandlLine, ThrowCompareException, and ThrowCompareInvalidArgumentException.

CompareUsage()

static MagickBooleanType CompareUsage ( void  )

static

Definition at line 83 of file compare.c.

Referenced by CompareImagesCommand().