gem.c File Reference

#include "MagickCore/studio.h"
#include "MagickCore/color-private.h"
#include "MagickCore/draw.h"
#include "MagickCore/gem.h"
#include "MagickCore/gem-private.h"
#include "MagickCore/image.h"
#include "MagickCore/image-private.h"
#include "MagickCore/log.h"
#include "MagickCore/memory_.h"
#include "MagickCore/pixel-accessor.h"
#include "MagickCore/quantum.h"
#include "MagickCore/quantum-private.h"
#include "MagickCore/random_.h"
#include "MagickCore/resize.h"
#include "MagickCore/transform.h"
#include "MagickCore/signature-private.h"

Include dependency graph for gem.c:

Go to the source code of this file.

Macros
#define	SigmaUniform   (attenuate*0.015625)
#define	SigmaGaussian   (attenuate*0.015625)
#define	SigmaImpulse   (attenuate*0.1)
#define	SigmaLaplacian   (attenuate*0.0390625)
#define	SigmaMultiplicativeGaussian   (attenuate*0.5)
#define	SigmaPoisson   (attenuate*12.5)
#define	SigmaRandom   (attenuate)
#define	TauGaussian   (attenuate*0.078125)

Functions
MagickPrivate void	ConvertHCLToRGB (const double hue, const double chroma, const double luma, double *red, double *green, double *blue)
MagickPrivate void	ConvertHCLpToRGB (const double hue, const double chroma, const double luma, double *red, double *green, double *blue)
MagickPrivate void	ConvertHSBToRGB (const double hue, const double saturation, const double brightness, double *red, double *green, double *blue)
MagickPrivate void	ConvertHSIToRGB (const double hue, const double saturation, const double intensity, double *red, double *green, double *blue)
MagickExport void	ConvertHSLToRGB (const double hue, const double saturation, const double lightness, double *red, double *green, double *blue)
MagickPrivate void	ConvertHSVToRGB (const double hue, const double saturation, const double value, double *red, double *green, double *blue)
MagickPrivate void	ConvertHWBToRGB (const double hue, const double whiteness, const double blackness, double *red, double *green, double *blue)
static void	ConvertLCHabToXYZ (const double luma, const double chroma, const double hue, const IlluminantType illuminant, double *X, double *Y, double *Z)
MagickPrivate void	ConvertLCHabToRGB (const double luma, const double chroma, const double hue, const IlluminantType illuminant, double *red, double *green, double *blue)
static void	ConvertLCHuvToXYZ (const double luma, const double chroma, const double hue, const IlluminantType illuminant, double *X, double *Y, double *Z)
MagickPrivate void	ConvertLCHuvToRGB (const double luma, const double chroma, const double hue, const IlluminantType illuminant, double *red, double *green, double *blue)
MagickPrivate void	ConvertRGBToHCL (const double red, const double green, const double blue, double *hue, double *chroma, double *luma)
MagickPrivate void	ConvertRGBToHCLp (const double red, const double green, const double blue, double *hue, double *chroma, double *luma)
MagickPrivate void	ConvertRGBToHSB (const double red, const double green, const double blue, double *hue, double *saturation, double *brightness)
MagickPrivate void	ConvertRGBToHSI (const double red, const double green, const double blue, double *hue, double *saturation, double *intensity)
MagickExport void	ConvertRGBToHSL (const double red, const double green, const double blue, double *hue, double *saturation, double *lightness)
MagickPrivate void	ConvertRGBToHSV (const double red, const double green, const double blue, double *hue, double *saturation, double *value)
MagickPrivate void	ConvertRGBToHWB (const double red, const double green, const double blue, double *hue, double *whiteness, double *blackness)
MagickPrivate void	ConvertRGBToLab (const double red, const double green, const double blue, const IlluminantType illuminant, double *L, double *a, double *b)
static void	ConvertXYZToLCHab (const double X, const double Y, const double Z, const IlluminantType illuminant, double *luma, double *chroma, double *hue)
MagickPrivate void	ConvertRGBToLCHab (const double red, const double green, const double blue, const IlluminantType illuminant, double *luma, double *chroma, double *hue)
static void	ConvertXYZToLCHuv (const double X, const double Y, const double Z, const IlluminantType illuminant, double *luma, double *chroma, double *hue)
MagickPrivate void	ConvertRGBToLCHuv (const double red, const double green, const double blue, const IlluminantType illuminant, double *luma, double *chroma, double *hue)
MagickExport double	ExpandAffine (const AffineMatrix *affine)
MagickPrivate double	GenerateDifferentialNoise (RandomInfo *random_info, const Quantum pixel, const NoiseType noise_type, const double attenuate)
MagickPrivate size_t	GetOptimalKernelWidth1D (const double radius, const double sigma)
MagickPrivate size_t	GetOptimalKernelWidth2D (const double radius, const double sigma)
MagickPrivate size_t	GetOptimalKernelWidth (const double radius, const double sigma)

Macro Definition Documentation

SigmaGaussian

#define SigmaGaussian   (attenuate*0.015625)

SigmaImpulse

#define SigmaImpulse   (attenuate*0.1)

SigmaLaplacian

#define SigmaLaplacian   (attenuate*0.0390625)

SigmaMultiplicativeGaussian

#define SigmaMultiplicativeGaussian   (attenuate*0.5)

SigmaPoisson

#define SigmaPoisson   (attenuate*12.5)

SigmaRandom

#define SigmaRandom   (attenuate)

SigmaUniform

#define SigmaUniform   (attenuate*0.015625)

TauGaussian

#define TauGaussian   (attenuate*0.078125)

Function Documentation

ConvertHCLpToRGB()

MagickPrivate void ConvertHCLpToRGB	(	const double	hue,
		const double	chroma,
		const double	luma,
		double *	red,
		double *	green,
		double *	blue
	)

Definition at line 180 of file gem.c.

References QuantumRange.

ConvertHCLToRGB()

MagickPrivate void ConvertHCLToRGB	(	const double	hue,
		const double	chroma,
		const double	luma,
		double *	red,
		double *	green,
		double *	blue
	)

Definition at line 87 of file gem.c.

References QuantumRange.

ConvertHSBToRGB()

MagickPrivate void ConvertHSBToRGB	(	const double	hue,
		const double	saturation,
		const double	brightness,
		double *	red,
		double *	green,
		double *	blue
	)

Definition at line 285 of file gem.c.

References MagickEpsilon, and QuantumRange.

ConvertHSIToRGB()

MagickPrivate void ConvertHSIToRGB	(	const double	hue,
		const double	saturation,
		const double	intensity,
		double *	red,
		double *	green,
		double *	blue
	)

Definition at line 388 of file gem.c.

References MagickPI, and QuantumRange.

ConvertHSLToRGB()

MagickExport void ConvertHSLToRGB	(	const double	hue,
		const double	saturation,
		const double	lightness,
		double *	red,
		double *	green,
		double *	blue
	)

Definition at line 461 of file gem.c.

References QuantumRange.

Referenced by ModulateHSL(), QueryColorCompliance(), and TransformsRGBImage().

ConvertHSVToRGB()

MagickPrivate void ConvertHSVToRGB	(	const double	hue,
		const double	saturation,
		const double	value,
		double *	red,
		double *	green,
		double *	blue
	)

Definition at line 565 of file gem.c.

References QuantumRange.

ConvertHWBToRGB()

MagickPrivate void ConvertHWBToRGB	(	const double	hue,
		const double	whiteness,
		const double	blackness,
		double *	red,
		double *	green,
		double *	blue
	)

Definition at line 666 of file gem.c.

References CastDoubleToLong(), MagickEpsilon, and QuantumRange.

ConvertLCHabToRGB()

MagickPrivate void ConvertLCHabToRGB	(	const double	luma,
		const double	chroma,
		const double	hue,
		const IlluminantType	illuminant,
		double *	red,
		double *	green,
		double *	blue
	)

Definition at line 751 of file gem.c.

References ConvertLCHabToXYZ(), and ConvertXYZToRGB().

ConvertLCHabToXYZ()

static void ConvertLCHabToXYZ ( const double  luma, const double  chroma, const double  hue, const IlluminantType  illuminant, double *  X, double *  Y, double *  Z  )

inlinestatic

Definition at line 743 of file gem.c.

References ConvertLabToXYZ(), and MagickPI.

Referenced by ConvertLCHabToRGB().

ConvertLCHuvToRGB()

MagickPrivate void ConvertLCHuvToRGB	(	const double	luma,
		const double	chroma,
		const double	hue,
		const IlluminantType	illuminant,
		double *	red,
		double *	green,
		double *	blue
	)

Definition at line 807 of file gem.c.

References ConvertLCHuvToXYZ(), and ConvertXYZToRGB().

ConvertLCHuvToXYZ()

static void ConvertLCHuvToXYZ ( const double  luma, const double  chroma, const double  hue, const IlluminantType  illuminant, double *  X, double *  Y, double *  Z  )

inlinestatic

Definition at line 799 of file gem.c.

References ConvertLuvToXYZ(), and MagickPI.

Referenced by ConvertLCHuvToRGB().

ConvertRGBToHCL()

MagickPrivate void ConvertRGBToHCL	(	const double	red,
		const double	green,
		const double	blue,
		double *	hue,
		double *	chroma,
		double *	luma
	)

Definition at line 855 of file gem.c.

References MagickEpsilon, MagickMax, MagickMin, and QuantumScale.

ConvertRGBToHCLp()

MagickPrivate void ConvertRGBToHCLp	(	const double	red,
		const double	green,
		const double	blue,
		double *	hue,
		double *	chroma,
		double *	luma
	)

Definition at line 916 of file gem.c.

References MagickEpsilon, MagickMax, MagickMin, and QuantumScale.

ConvertRGBToHSB()

MagickPrivate void ConvertRGBToHSB	(	const double	red,
		const double	green,
		const double	blue,
		double *	hue,
		double *	saturation,
		double *	brightness
	)

Definition at line 977 of file gem.c.

References MagickEpsilon, and QuantumScale.

ConvertRGBToHSI()

MagickPrivate void ConvertRGBToHSI	(	const double	red,
		const double	green,
		const double	blue,
		double *	hue,
		double *	saturation,
		double *	intensity
	)

Definition at line 1047 of file gem.c.

References MagickMin, MagickPI, and QuantumScale.

ConvertRGBToHSL()

MagickExport void ConvertRGBToHSL	(	const double	red,
		const double	green,
		const double	blue,
		double *	hue,
		double *	saturation,
		double *	lightness
	)

Definition at line 1104 of file gem.c.

References MagickEpsilon, MagickMax, MagickMin, PerceptibleReciprocal(), and QuantumScale.

Referenced by ColorThresholdImage(), ExecuteRPN(), GetHslFlt(), GetHslInt(), ModulateHSL(), and sRGBTransformImage().

ConvertRGBToHSV()

MagickPrivate void ConvertRGBToHSV	(	const double	red,
		const double	green,
		const double	blue,
		double *	hue,
		double *	saturation,
		double *	value
	)

Definition at line 1176 of file gem.c.

References MagickEpsilon, MagickMax, MagickMin, PerceptibleReciprocal(), and QuantumScale.

ConvertRGBToHWB()

MagickPrivate void ConvertRGBToHWB	(	const double	red,
		const double	green,
		const double	blue,
		double *	hue,
		double *	whiteness,
		double *	blackness
	)

Definition at line 1245 of file gem.c.

References MagickEpsilon, MagickMax, MagickMin, and QuantumScale.

ConvertRGBToLab()

MagickPrivate void ConvertRGBToLab	(	const double	red,
		const double	green,
		const double	blue,
		const IlluminantType	illuminant,
		double *	L,
		double *	a,
		double *	b
	)

Definition at line 1303 of file gem.c.

References ConvertRGBToXYZ(), and ConvertXYZToLab().

ConvertRGBToLCHab()

MagickPrivate void ConvertRGBToLCHab	(	const double	red,
		const double	green,
		const double	blue,
		const IlluminantType	illuminant,
		double *	luma,
		double *	chroma,
		double *	hue
	)

Definition at line 1360 of file gem.c.

References ConvertRGBToXYZ(), and ConvertXYZToLCHab().

ConvertRGBToLCHuv()

MagickPrivate void ConvertRGBToLCHuv	(	const double	red,
		const double	green,
		const double	blue,
		const IlluminantType	illuminant,
		double *	luma,
		double *	chroma,
		double *	hue
	)

Definition at line 1423 of file gem.c.

References ConvertRGBToXYZ(), and ConvertXYZToLCHuv().

Referenced by ModulateLCHuv(), and sRGBTransformImage().

ConvertXYZToLCHab()

static void ConvertXYZToLCHab ( const double  X, const double  Y, const double  Z, const IlluminantType  illuminant, double *  luma, double *  chroma, double *  hue  )

inlinestatic

Definition at line 1345 of file gem.c.

References ConvertXYZToLab(), and MagickPI.

Referenced by ConvertRGBToLCHab().

ConvertXYZToLCHuv()

static void ConvertXYZToLCHuv ( const double  X, const double  Y, const double  Z, const IlluminantType  illuminant, double *  luma, double *  chroma, double *  hue  )

inlinestatic

Definition at line 1408 of file gem.c.

References ConvertXYZToLuv(), and MagickPI.

Referenced by ConvertRGBToLCHuv().

ExpandAffine()

MagickExport double ExpandAffine

(

const AffineMatrix *

affine

)

Definition at line 1469 of file gem.c.

References _AffineMatrix::rx, _AffineMatrix::ry, _AffineMatrix::sx, and _AffineMatrix::sy.

Referenced by DrawBoundingRectangles(), DrawDashPolygon(), DrawPolygonPrimitive(), DrawPrimitive(), RenderMVGContent(), RenderPostscript(), and TraceStrokePolygon().

GenerateDifferentialNoise()

MagickPrivate double GenerateDifferentialNoise	(	RandomInfo *	random_info,
		const Quantum	pixel,
		const NoiseType	noise_type,
		const double	attenuate
	)

Definition at line 1504 of file gem.c.

References GaussianNoise, GetPseudoRandomValue(), ImpulseNoise, LaplacianNoise, MagickEpsilon, MagickPI, MultiplicativeGaussianNoise, PerceptibleReciprocal(), PoissonNoise, QuantumRange, QuantumScale, random_info, RandomNoise, SigmaGaussian, SigmaImpulse, SigmaLaplacian, SigmaMultiplicativeGaussian, SigmaPoisson, SigmaRandom, SigmaUniform, TauGaussian, and UniformNoise.

Referenced by AddNoiseImage(), and ApplyEvaluateOperator().

GetOptimalKernelWidth()

MagickPrivate size_t GetOptimalKernelWidth	(	const double	radius,
		const double	sigma
	)

Definition at line 1725 of file gem.c.

References GetOptimalKernelWidth1D().

GetOptimalKernelWidth1D()

MagickPrivate size_t GetOptimalKernelWidth1D	(	const double	radius,
		const double	sigma
	)

Definition at line 1643 of file gem.c.

References GetMagickModule, IsEventLogging(), LogMagickEvent(), MagickEpsilon, MagickFalse, MagickSQ2PI, PerceptibleReciprocal(), QuantumScale, and TraceEvent.

Referenced by GetOptimalKernelWidth().

GetOptimalKernelWidth2D()

MagickPrivate size_t GetOptimalKernelWidth2D	(	const double	radius,
		const double	sigma
	)

Definition at line 1683 of file gem.c.

References GetMagickModule, IsEventLogging(), LogMagickEvent(), Magick2PI, MagickEpsilon, MagickFalse, PerceptibleReciprocal(), QuantumScale, and TraceEvent.

Referenced by AcquireKernelBuiltIn(), AdaptiveBlurImage(), AdaptiveSharpenImage(), OilPaintImage(), and SharpenImage().