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.

Defines
#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	TauGaussian   (attenuate*0.078125)
Functions
MagickPrivate void	ConvertHSBToRGB (const double hue, const double saturation, const double brightness, double *red, double *green, double *blue)
static MagickRealType	ConvertHueToRGB (MagickRealType m1, MagickRealType m2, MagickRealType hue)
MagickExport void	ConvertHSLToRGB (const double hue, const double saturation, const double lightness, double *red, double *green, double *blue)
MagickPrivate void	ConvertHWBToRGB (const double hue, const double whiteness, const double blackness, double *red, double *green, double *blue)
MagickPrivate void	ConvertRGBToHSB (const double red, const double green, const double blue, double *hue, double *saturation, double *brightness)
static double	MagickMax (const double x, const double y)
static double	MagickMin (const double x, const double y)
MagickExport void	ConvertRGBToHSL (const double red, const double green, const double blue, double *hue, double *saturation, double *lightness)
MagickPrivate void	ConvertRGBToHWB (const double red, const double green, const double blue, double *hue, double *whiteness, double *blackness)
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)

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Define Documentation

#define SigmaGaussian   (attenuate*0.015625)

Referenced by GenerateDifferentialNoise().

#define SigmaImpulse   (attenuate*0.1)

Referenced by GenerateDifferentialNoise().

#define SigmaLaplacian   (attenuate*0.0390625)

Referenced by GenerateDifferentialNoise().

#define SigmaMultiplicativeGaussian   (attenuate*0.5)

Referenced by GenerateDifferentialNoise().

#define SigmaPoisson   (attenuate*12.5)

Referenced by GenerateDifferentialNoise().

#define SigmaUniform   (attenuate*0.015625)

Referenced by GenerateDifferentialNoise().

#define TauGaussian   (attenuate*0.078125)

Referenced by GenerateDifferentialNoise().

---

Function Documentation

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

Definition at line 87 of file gem.c.

References ClampToQuantum(), and QuantumRange.

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

Definition at line 207 of file gem.c.

References ClampToQuantum(), QuantumRange, and ConvertHueToRGB().

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

static MagickRealType ConvertHueToRGB	(	MagickRealType	m1,
		MagickRealType	m2,
		MagickRealType	hue
	)		[inline, static]

Definition at line 191 of file gem.c.

Referenced by ConvertHSLToRGB().

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

Definition at line 270 of file gem.c.

References ClampToQuantum(), and QuantumRange.

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

Definition at line 347 of file gem.c.

References QuantumScale.

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

Definition at line 432 of file gem.c.

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

Referenced by RGBTransformImage(), ModulateHSL(), and FxGetSymbol().

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

Definition at line 510 of file gem.c.

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

Referenced by RGBTransformImage(), and ModulateHWB().

MagickExport double ExpandAffine

(

const AffineMatrix *

affine

)

Definition at line 572 of file gem.c.

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

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

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

Definition at line 607 of file gem.c.

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

Referenced by AddNoiseImage(), and ApplyEvaluateOperator().

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

Definition at line 827 of file gem.c.

References GetOptimalKernelWidth1D().

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

Definition at line 745 of file gem.c.

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

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

Definition at line 786 of file gem.c.

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

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

static double MagickMax	(	const double	x,
		const double	y
	)		[inline, static]

Definition at line 418 of file gem.c.

Referenced by ConvertRGBToHSL(), and ConvertRGBToHWB().

static double MagickMin	(	const double	x,
		const double	y
	)		[inline, static]

Definition at line 425 of file gem.c.

Referenced by ConvertRGBToHSL(), and ConvertRGBToHWB().