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

MetricType

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

CompareImages()

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

GetImageDistortion()

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

GetImageDistortions()

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

Definition at line 1756 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.

IsImagesEqual()

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

SetImageColorMetric()

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

Definition at line 2020 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.

SimilarityImage()

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

Definition at line 2904 of file compare.c.

References AcquireAuthenticCacheView(), ClampToQuantum(), CloneImage(), _Image::columns, DeactivateAlphaChannel, _Image::debug, DestroyCacheView(), DestroyImage(), DirectClass, _Image::filename, GetCacheViewAuthenticPixels(), GetImageArtifact(), GetMagickModule, GetPixelChannelChannel(), GetPixelChannels(), GetPixelChannelTraits(), GetSimilarityMetric(), IsStringTrue(), 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.