composite-private.h File Reference

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

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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)

Function Documentation

CompositePixelInfoAreaBlend()

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

inlinestatic

Definition at line 167 of file composite-private.h.

References CompositePixelInfoPlus().

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

CompositePixelInfoBlend()

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

inlinestatic

Definition at line 178 of file composite-private.h.

References _PixelInfo::alpha, and CompositePixelInfoPlus().

Referenced by DistortImage(), and DrawGradientImage().

CompositePixelInfoOver()

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

inlinestatic

Definition at line 121 of file composite-private.h.

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

Referenced by DrawAffineImage().

CompositePixelInfoPlus()

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

inlinestatic

Definition at line 144 of file composite-private.h.

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

Referenced by CompositePixelInfoAreaBlend(), and CompositePixelInfoBlend().

CompositePixelOver()

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

inlinestatic

Definition at line 51 of file composite-private.h.

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().

GetCompositeClipToSelf()

static MagickBooleanType GetCompositeClipToSelf ( const CompositeOperator  compose )

inlinestatic

Definition at line 188 of file composite-private.h.

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

MagickOver_()

static double MagickOver_ ( const double  p, const double  alpha, const double  q, const double  beta  )

inlinestatic

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

References QuantumScale.

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

RoundToUnity()

static double RoundToUnity ( const double  value )

inlinestatic

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

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