composite-private.h File Reference

#include "MagickCore/color.h"
#include "MagickCore/image.h"
#include "MagickCore/image-private.h"
#include "MagickCore/pixel-accessor.h"
#include "MagickCore/pixel-private.h"

Go to the source code of this file.

Functions
static double	MagickOver_ (const double p, const double alpha, const double q, const double beta)
static double	RoundToUnity (const double value)
static void	CompositePixelOver (const Image *image, const PixelInfo *p, const double alpha, const Quantum *q, const double beta, Quantum *composite)
static void	CompositePixelInfoOver (const PixelInfo *p, const double alpha, const PixelInfo *q, const double beta, PixelInfo *composite)
static void	CompositePixelInfoPlus (const PixelInfo *p, const double alpha, const PixelInfo *q, const double beta, PixelInfo *composite)
static void	CompositePixelInfoAreaBlend (const PixelInfo *p, const double alpha, const PixelInfo *q, const double beta, const double area, PixelInfo *composite)
static void	CompositePixelInfoBlend (const PixelInfo *p, const double alpha, const PixelInfo *q, const double beta, PixelInfo *composite)
static MagickBooleanType	GetCompositeClipToSelf (const CompositeOperator compose)

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Function Documentation

static void CompositePixelInfoAreaBlend	(	const PixelInfo *	p,
		const double	alpha,
		const PixelInfo *	q,
		const double	beta,
		const double	area,
		PixelInfo *	composite
	)			[inline, static]

References CompositePixelInfoPlus().

Referenced by HaldClutImage(), XShearImage(), and YShearImage().

static void CompositePixelInfoBlend	(	const PixelInfo *	p,
		const double	alpha,
		const PixelInfo *	q,
		const double	beta,
		PixelInfo *	composite
	)			[inline, static]

References _PixelInfo::alpha, and CompositePixelInfoPlus().

Referenced by DistortImage(), and DrawGradientImage().

static void CompositePixelInfoOver	(	const PixelInfo *	p,
		const double	alpha,
		const PixelInfo *	q,
		const double	beta,
		PixelInfo *	composite
	)			[inline, static]

References _PixelInfo::alpha, _PixelInfo::black, _PixelInfo::blue, CMYKColorspace, _PixelInfo::colorspace, _PixelInfo::green, MagickOver_(), PerceptibleReciprocal(), QuantumRange, QuantumScale, _PixelInfo::red, and RoundToUnity().

Referenced by DrawAffineImage().

static void CompositePixelInfoPlus	(	const PixelInfo *	p,
		const double	alpha,
		const PixelInfo *	q,
		const double	beta,
		PixelInfo *	composite
	)			[inline, static]

References _PixelInfo::alpha, _PixelInfo::black, _PixelInfo::blue, CMYKColorspace, _PixelInfo::colorspace, _PixelInfo::green, PerceptibleReciprocal(), QuantumRange, QuantumScale, _PixelInfo::red, and RoundToUnity().

Referenced by CompositePixelInfoAreaBlend(), and CompositePixelInfoBlend().

static void CompositePixelOver	(	const Image *	image,
		const PixelInfo *	p,
		const double	alpha,
		const Quantum *	q,
		const double	beta,
		Quantum *	composite
	)			[inline, static]

References AlphaPixelChannel, _PixelInfo::black, BlackPixelChannel, _PixelInfo::blue, BluePixelChannel, ClampToQuantum(), GetPixelChannelChannel(), GetPixelChannels(), GetPixelChannelTraits(), _PixelInfo::green, GreenPixelChannel, MagickOver_(), PerceptibleReciprocal(), QuantumRange, QuantumScale, _PixelInfo::red, RedPixelChannel, RoundToUnity(), and UndefinedPixelTrait.

Referenced by DrawPolygonPrimitive(), and DrawPrimitive().

static MagickBooleanType GetCompositeClipToSelf

(

const CompositeOperator

compose

)

[inline, static]

References ChangeMaskCompositeOp, ClearCompositeOp, CopyAlphaCompositeOp, DstAtopCompositeOp, DstInCompositeOp, InCompositeOp, MagickFalse, MagickTrue, OutCompositeOp, SrcCompositeOp, SrcInCompositeOp, and SrcOutCompositeOp.

static double MagickOver_	(	const double	p,
		const double	alpha,
		const double	q,
		const double	beta
	)			[inline, static]

References QuantumScale.

Referenced by ApplyPixelCompositeMask(), ClipPixelCacheNexus(), CompositePixelInfoOver(), CompositePixelOver(), and FlattenPixelInfo().

static double RoundToUnity

(

const double

value

)

[inline, static]

Referenced by CompositeImage(), CompositePixelInfoOver(), CompositePixelInfoPlus(), and CompositePixelOver().