compare.h File Reference

#include "MagickCore/image.h"

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Enumerations
enum	MetricType {   UndefinedErrorMetric, AbsoluteErrorMetric, FuzzErrorMetric, MeanAbsoluteErrorMetric,   MeanErrorPerPixelErrorMetric, MeanSquaredErrorMetric, NormalizedCrossCorrelationErrorMetric, PeakAbsoluteErrorMetric,   PeakSignalToNoiseRatioErrorMetric, PerceptualHashErrorMetric, RootMeanSquaredErrorMetric, StructuralSimilarityErrorMetric,   StructuralDissimilarityErrorMetric }

Functions
MagickExport double *	GetImageDistortions (Image *, const Image *, const MetricType, ExceptionInfo *)
MagickExport Image *	CompareImages (Image *, const Image *, const MetricType, double *, ExceptionInfo *)
MagickExport Image *	SimilarityImage (const Image *, const Image *, const MetricType, const double, RectangleInfo *, double *, ExceptionInfo *)
MagickExport MagickBooleanType	GetImageDistortion (Image *, const Image *, const MetricType, double *, ExceptionInfo *)
MagickExport MagickBooleanType	IsImagesEqual (const Image *, const Image *, ExceptionInfo *)
MagickExport MagickBooleanType	SetImageColorMetric (Image *, const Image *, ExceptionInfo *)

Enumeration Type Documentation

enum MetricType

Enumerator
UndefinedErrorMetric
AbsoluteErrorMetric
FuzzErrorMetric
MeanAbsoluteErrorMetric
MeanErrorPerPixelErrorMetric
MeanSquaredErrorMetric
NormalizedCrossCorrelationErrorMetric
PeakAbsoluteErrorMetric
PeakSignalToNoiseRatioErrorMetric
PerceptualHashErrorMetric
RootMeanSquaredErrorMetric
StructuralSimilarityErrorMetric
StructuralDissimilarityErrorMetric

Definition at line 27 of file compare.h.

Function Documentation

MagickExport Image* CompareImages	(	Image *	,
		const Image *	,
		const MetricType	,
		double *	,
		ExceptionInfo *
	)

MagickExport MagickBooleanType GetImageDistortion	(	Image *	,
		const Image *	,
		const MetricType	,
		double *	,
		ExceptionInfo *
	)

MagickExport double* GetImageDistortions	(	Image *	,
		const Image *	,
		const MetricType	,
		ExceptionInfo *
	)

Definition at line 1745 of file compare.c.

References AbsoluteErrorMetric, AcquireQuantumMemory(), _Image::debug, _Image::filename, FuzzErrorMetric, GetAbsoluteDistortion(), GetFuzzDistortion(), GetMagickModule, GetMeanAbsoluteDistortion(), GetMeanErrorPerPixel(), GetMeanSquaredDistortion(), GetNormalizedCrossCorrelationDistortion(), GetPeakAbsoluteDistortion(), GetPeakSignalToNoiseRatio(), GetRootMeanSquaredDistortion(), GetStructuralDisimilarityDistortion(), GetStructuralSimilarityDistortion(), LogMagickEvent(), MagickCoreSignature, MagickFalse, MagickTrue, MaxPixelChannels, MeanAbsoluteErrorMetric, MeanErrorPerPixelErrorMetric, MeanSquaredErrorMetric, NormalizedCrossCorrelationErrorMetric, PeakAbsoluteErrorMetric, PeakSignalToNoiseRatioErrorMetric, PerceptualHashErrorMetric, RelinquishMagickMemory(), ResourceLimitFatalError, RootMeanSquaredErrorMetric, _Image::signature, StructuralDissimilarityErrorMetric, StructuralSimilarityErrorMetric, ThrowFatalException, and TraceEvent.

MagickExport MagickBooleanType IsImagesEqual	(	const Image *	,
		const Image *	,
		ExceptionInfo *
	)

MagickExport MagickBooleanType SetImageColorMetric	(	Image *	,
		const Image *	,
		ExceptionInfo *
	)

Definition at line 2009 of file compare.c.

References AcquireVirtualCacheView(), _Image::columns, DestroyCacheView(), _Image::error, GetCacheViewVirtualPixels(), GetPixelChannel(), GetPixelChannelChannel(), GetPixelChannels(), GetPixelChannelTraits(), magick_restrict, MagickCoreSignature, MagickEpsilon, MagickFalse, MagickMax, MagickTrue, _ErrorInfo::mean_error_per_pixel, _ErrorInfo::normalized_maximum_error, _ErrorInfo::normalized_mean_error, QuantumScale, _Image::rows, _Image::signature, UndefinedPixelTrait, and UpdatePixelTrait.

MagickExport Image * SimilarityImage	(	const Image *	,
		const Image *	,
		const MetricType	,
		const double	,
		RectangleInfo *	,
		double *	,
		ExceptionInfo *
	)

Definition at line 2171 of file compare.c.

References AcquireAuthenticCacheView(), ClampToQuantum(), CloneImage(), _Image::columns, DeactivateAlphaChannel, _Image::debug, DestroyCacheView(), DestroyImage(), DirectClass, _Image::filename, GetCacheViewAuthenticPixels(), GetMagickModule, GetPixelChannelChannel(), GetPixelChannels(), GetPixelChannelTraits(), GetSimilarityMetric(), LogMagickEvent(), magick_restrict, MagickCoreSignature, MagickFalse, MagickMaximumValue, MagickMin, MagickTrue, NormalizedCrossCorrelationErrorMetric, PerceptualHashErrorMetric, _Image::progress_monitor, QuantumRange, _Image::rows, SetGeometry(), SetImageAlphaChannel(), SetImageProgress(), SetImageStorageClass(), SetPixelChannel(), _ExceptionInfo::signature, _Image::signature, SimilarityImageTag, SyncCacheViewAuthenticPixels(), TraceEvent, UndefinedErrorMetric, UndefinedPixelTrait, UpdatePixelTrait, _RectangleInfo::x, and _RectangleInfo::y.