composite-private.h File Reference

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

Include dependency graph for composite-private.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

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

---

Function Documentation

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

Definition at line 172 of file composite-private.h.

References CompositePixelInfoPlus().

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

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

Definition at line 183 of file composite-private.h.

References CompositePixelInfoPlus(), and _PixelInfo::alpha.

Referenced by DistortImage(), and DrawGradientImage().

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

Definition at line 114 of file composite-private.h.

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

Referenced by DrawAffineImage().

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

Definition at line 148 of file composite-private.h.

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

Referenced by CompositePixelInfoAreaBlend(), and CompositePixelInfoBlend().

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

Definition at line 46 of file composite-private.h.

References QuantumScale, MagickEpsilon, GetPixelChannels(), GetPixelChannelMapChannel(), GetPixelChannelMapTraits(), UndefinedPixelTrait, RedPixelChannel, ClampToQuantum(), MagickOver_(), _PixelInfo::red, GreenPixelChannel, _PixelInfo::green, BluePixelChannel, _PixelInfo::blue, BlackPixelChannel, _PixelInfo::black, AlphaPixelChannel, and QuantumRange.

Referenced by DrawPolygonPrimitive(), and DrawPrimitive().

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

Definition at line 34 of file composite-private.h.

References QuantumScale.

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

static MagickRealType RoundToUnity

(

const MagickRealType

value

)

[inline, static]

Definition at line 143 of file composite-private.h.

Referenced by CompositePixelInfoPlus(), and CompositeImage().