pixel.h File Reference

#include <magick/colorspace.h>
#include <magick/constitute.h>

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Go to the source code of this file.

Data Structures
struct	_DoublePixelPacket
struct	_LongPixelPacket
struct	_MagickPixelPacket
struct	_PixelPacket
Defines
#define	ClampRedPixelComponent(p)   ClampToQuantum((p)->red)
#define	ClampGreenPixelComponent(p)   ClampToQuantum((p)->green)
#define	ClampBluePixelComponent(p)   ClampToQuantum((p)->blue)
#define	ClampOpacityPixelComponent(p)   ClampToQuantum((p)->opacity)
#define	ClampIndexPixelComponent(p)   ClampToQuantum((p)->index)
#define	GetRedPixelComponent(p)   ((p)->red)
#define	GetGreenPixelComponent(p)   ((p)->green)
#define	GetBluePixelComponent(p)   ((p)->blue)
#define	GetOpacityPixelComponent(p)   ((p)->opacity)
#define	GetAlphaPixelComponent(p)   ((Quantum) (QuantumRange-(p)->opacity))
#define	GetIndexPixelComponent(p)   ((p)->index)
#define	SetRedPixelComponent(q, component)   ((q)->red=(component))
#define	SetGreenPixelComponent(q, component)   ((q)->green=(component))
#define	SetBluePixelComponent(q, component)   ((q)->blue=(component))
#define	SetOpacityPixelComponent(q, component)   ((q)->opacity=(component))
#define	SetAlphaPixelComponent(q, component)   ((q)->opacity=(QuantumRange-(component)))
#define	SetIndexPixelComponent(q, component)   ((q)->index=(component))
#define	GetGrayPixelComponent(p)   ((p)->red)
#define	SetGrayPixelComponent(q, component)   ((q)->red=(q)->green=(q)->blue=(component))
#define	GetYPixelComponent(p)   ((p)->red)
#define	GetCbPixelComponent(p)   ((p)->green)
#define	GetCrPixelComponent(p)   ((p)->blue)
#define	SetYPixelComponent(q, component)   ((q)->red=(component))
#define	SetCbPixelComponent(q, component)   ((q)->green=(component))
#define	SetCrPixelComponent(q, component)   ((q)->blue=(component))
#define	GetCyanPixelComponent(p)   ((p)->red)
#define	GetMagentaPixelComponent(p)   ((p)->green)
#define	GetYellowPixelComponent(p)   ((p)->blue)
#define	GetBlackPixelComponent(p)   ((p)->opacity)
#define	SetCyanPixelComponent(q, component)   ((q)->red=(component))
#define	SetMagentaPixelComponent(q, component)   ((q)->green=(component))
#define	SetYellowPixelComponent(q, component)   ((q)->blue=(component))
#define	SetBlackPixelComponent(q, component)   ((q)->opacity=(component))
#define	MAGICK_PIXEL_BGRA   1
Typedefs
typedef struct _DoublePixelPacket	DoublePixelPacket
typedef struct _LongPixelPacket	LongPixelPacket
typedef struct _MagickPixelPacket	MagickPixelPacket
typedef Quantum	IndexPacket
typedef struct _PixelPacket	PixelPacket
Functions
MagickExport MagickBooleanType	ExportImagePixels (const Image *, const long, const long, const unsigned long, const unsigned long, const char *, const StorageType, void *, ExceptionInfo *)
MagickExport MagickBooleanType	ImportImagePixels (Image *, const long, const long, const unsigned long, const unsigned long, const char *, const StorageType, const void *)
MagickExport void	GetMagickPixelPacket (const Image *, MagickPixelPacket *)

---

Define Documentation

#define ClampBluePixelComponent

(

p

)

ClampToQuantum((p)->blue)

Definition at line 30 of file pixel.h.

Referenced by BlueShiftImage(), BlurImageChannel(), ClutImageChannel(), ConvolveImageChannel(), FilterImageChannel(), HaldClutImageChannel(), HorizontalFilter(), TintImage(), UnsharpMaskImageChannel(), and VerticalFilter().

#define ClampGreenPixelComponent

(

p

)

ClampToQuantum((p)->green)

Definition at line 29 of file pixel.h.

Referenced by BlueShiftImage(), BlurImageChannel(), ClutImageChannel(), ConvolveImageChannel(), FilterImageChannel(), HaldClutImageChannel(), HorizontalFilter(), TintImage(), UnsharpMaskImageChannel(), and VerticalFilter().

#define ClampIndexPixelComponent

(

p

)

ClampToQuantum((p)->index)

Definition at line 32 of file pixel.h.

#define ClampOpacityPixelComponent

(

p

)

ClampToQuantum((p)->opacity)

Definition at line 31 of file pixel.h.

Referenced by AdaptiveBlurImageChannel(), AdaptiveSharpenImageChannel(), BlurImageChannel(), ClutImageChannel(), ConvolveImageChannel(), FilterImageChannel(), HaldClutImageChannel(), HorizontalFilter(), SelectiveBlurImageChannel(), UnsharpMaskImageChannel(), and VerticalFilter().

#define ClampRedPixelComponent

(

p

)

ClampToQuantum((p)->red)

Definition at line 28 of file pixel.h.

Referenced by BlueShiftImage(), BlurImageChannel(), ClutImageChannel(), ConvolveImageChannel(), FilterImageChannel(), HaldClutImageChannel(), HorizontalFilter(), TintImage(), UnsharpMaskImageChannel(), and VerticalFilter().

#define GetAlphaPixelComponent

(

p

)

((Quantum) (QuantumRange-(p)->opacity))

Definition at line 38 of file pixel.h.

Referenced by AdaptiveBlurImageChannel(), AdaptiveSharpenImageChannel(), BlurImageChannel(), ClosestColor(), ClutImageChannel(), EvaluateImageChannel(), ExportImagePixels(), ExportQuantumPixels(), FunctionImageChannel(), FxGetSymbol(), GammaImageChannel(), GetImageQuantizeError(), GetMeanErrorPerPixel(), HorizontalFilter(), ImportQuantumPixels(), InterpolatePixelColor(), InterpolateResampleFilter(), IsColorSimilar(), IsMagickColorSimilar(), MagickPixelCompositeBlend(), MotionBlurImageChannel(), RadialBlurImageChannel(), RecolorImage(), SelectiveBlurImageChannel(), SeparateImageChannel(), ShadowImage(), StreamImagePixels(), and VerticalFilter().

#define GetBlackPixelComponent

(

p

)

((p)->opacity)

Definition at line 64 of file pixel.h.

#define GetBluePixelComponent

(

p

)

((p)->blue)

Definition at line 36 of file pixel.h.

Referenced by AdaptiveBlurImageChannel(), AdaptiveSharpenImageChannel(), AppendImages(), BlueShiftImage(), BlurImageChannel(), Classify(), ClipPixelCacheNexus(), CompositeImageChannel(), ContrastStretchImageChannel(), ConvolveImageChannel(), DespeckleImage(), EqualizeImageChannel(), ExportImagePixels(), ExportQuantumPixels(), FilterImageChannel(), GetImageBackgroundColor(), GetImageChannelKurtosis(), GetImageChannelMean(), GetImageChannelStatistics(), GetImageDynamicThreshold(), HorizontalFilter(), InitializeHistogram(), LoadColorLists(), MorphImages(), RecolorImage(), ScaleImage(), SelectiveBlurImageChannel(), SpliceImage(), StreamImagePixels(), UnsharpMaskImageChannel(), VerticalFilter(), XDitherImage(), XMakeImageLSBFirst(), and XMakeImageMSBFirst().

#define GetCbPixelComponent

(

p

)

((p)->green)

Definition at line 54 of file pixel.h.

#define GetCrPixelComponent

(

p

)

((p)->blue)

Definition at line 55 of file pixel.h.

#define GetCyanPixelComponent

(

p

)

((p)->red)

Definition at line 61 of file pixel.h.

#define GetGrayPixelComponent

(

p

)

((p)->red)

Definition at line 49 of file pixel.h.

#define GetGreenPixelComponent

(

p

)

((p)->green)

Definition at line 35 of file pixel.h.

Referenced by AdaptiveBlurImageChannel(), AdaptiveSharpenImageChannel(), AppendImages(), BlueShiftImage(), BlurImageChannel(), Classify(), ClipPixelCacheNexus(), CompositeImageChannel(), ContrastStretchImageChannel(), ConvolveImageChannel(), DespeckleImage(), EqualizeImageChannel(), ExportImagePixels(), ExportQuantumPixels(), FilterImageChannel(), GetImageBackgroundColor(), GetImageChannelKurtosis(), GetImageChannelMean(), GetImageChannelStatistics(), GetImageDynamicThreshold(), HorizontalFilter(), InitializeHistogram(), LoadColorLists(), MorphImages(), RecolorImage(), ScaleImage(), SelectiveBlurImageChannel(), SpliceImage(), StreamImagePixels(), UnsharpMaskImageChannel(), VerticalFilter(), XDitherImage(), XMakeImageLSBFirst(), and XMakeImageMSBFirst().

#define GetIndexPixelComponent

(

p

)

((p)->index)

Definition at line 39 of file pixel.h.

Referenced by AdaptiveBlurImageChannel(), AdaptiveSharpenImageChannel(), BlurImageChannel(), ConvolveImageChannel(), FilterImageChannel(), HorizontalFilter(), SelectiveBlurImageChannel(), and VerticalFilter().

#define GetMagentaPixelComponent

(

p

)

((p)->green)

Definition at line 62 of file pixel.h.

#define GetOpacityPixelComponent

(

p

)

((p)->opacity)

Definition at line 37 of file pixel.h.

Referenced by AdaptiveBlurImageChannel(), AdaptiveSharpenImageChannel(), AppendImages(), ClipPixelCacheNexus(), CompositeBumpmap(), CompositeImageChannel(), CompositeMathematics(), ContrastStretchImageChannel(), DespeckleImage(), EqualizeImageChannel(), ExportImagePixels(), ExportQuantumPixels(), GetImageBackgroundColor(), GetImageChannelKurtosis(), GetImageChannelMean(), GetImageChannelStatistics(), MorphImages(), RecolorImage(), ScaleImage(), SelectiveBlurImageChannel(), SpliceImage(), StreamImagePixels(), TintImage(), and UnsharpMaskImageChannel().

#define GetRedPixelComponent

(

p

)

((p)->red)

Definition at line 34 of file pixel.h.

Referenced by AdaptiveBlurImageChannel(), AdaptiveSharpenImageChannel(), AppendImages(), BlueShiftImage(), BlurImageChannel(), Classify(), ClipPixelCacheNexus(), CompositeImageChannel(), ContrastStretchImageChannel(), ConvolveImageChannel(), DespeckleImage(), EqualizeImageChannel(), ExportImagePixels(), ExportQuantumPixels(), FilterImageChannel(), GetImageBackgroundColor(), GetImageChannelKurtosis(), GetImageChannelMean(), GetImageChannelStatistics(), GetImageDynamicThreshold(), HorizontalFilter(), InitializeHistogram(), LoadColorLists(), MorphImages(), RecolorImage(), ScaleImage(), SelectiveBlurImageChannel(), SpliceImage(), StereoAnaglyphImage(), StreamImagePixels(), UnsharpMaskImageChannel(), VerticalFilter(), XDitherImage(), XMakeImageLSBFirst(), and XMakeImageMSBFirst().

#define GetYellowPixelComponent

(

p

)

((p)->blue)

Definition at line 63 of file pixel.h.

#define GetYPixelComponent

(

p

)

((p)->red)

Definition at line 53 of file pixel.h.

#define MAGICK_PIXEL_BGRA   1

Definition at line 128 of file pixel.h.

#define SetAlphaPixelComponent	(	q,
		component		)	((q)->opacity=(QuantumRange-(component)))

Definition at line 45 of file pixel.h.

#define SetBlackPixelComponent	(	q,
		component		)	((q)->opacity=(component))

Definition at line 69 of file pixel.h.

#define SetBluePixelComponent	(	q,
		component		)	((q)->blue=(component))

Definition at line 43 of file pixel.h.

Referenced by AppendImages(), BlueShiftImage(), BlurImageChannel(), ClipPixelCacheNexus(), ClutImageChannel(), CombineImages(), ConvolveImageChannel(), FilterImageChannel(), GetVirtualPixelsFromNexus(), HaldClutImageChannel(), HorizontalFilter(), ImportQuantumPixels(), SpliceImage(), TintImage(), UnsharpMaskImageChannel(), and VerticalFilter().

#define SetCbPixelComponent	(	q,
		component		)	((q)->green=(component))

Definition at line 58 of file pixel.h.

#define SetCrPixelComponent	(	q,
		component		)	((q)->blue=(component))

Definition at line 59 of file pixel.h.

#define SetCyanPixelComponent	(	q,
		component		)	((q)->red=(component))

Definition at line 66 of file pixel.h.

#define SetGrayPixelComponent	(	q,
		component		)	((q)->red=(q)->green=(q)->blue=(component))

Definition at line 50 of file pixel.h.

#define SetGreenPixelComponent	(	q,
		component		)	((q)->green=(component))

Definition at line 42 of file pixel.h.

Referenced by AppendImages(), BlueShiftImage(), BlurImageChannel(), ClipPixelCacheNexus(), ClutImageChannel(), CombineImages(), ConvolveImageChannel(), FilterImageChannel(), GetVirtualPixelsFromNexus(), HaldClutImageChannel(), HorizontalFilter(), ImportQuantumPixels(), SpliceImage(), TintImage(), UnsharpMaskImageChannel(), and VerticalFilter().

#define SetIndexPixelComponent	(	q,
		component		)	((q)->index=(component))

Definition at line 47 of file pixel.h.

#define SetMagentaPixelComponent	(	q,
		component		)	((q)->green=(component))

Definition at line 67 of file pixel.h.

#define SetOpacityPixelComponent	(	q,
		component		)	((q)->opacity=(component))

Definition at line 44 of file pixel.h.

Referenced by AdaptiveBlurImageChannel(), AdaptiveSharpenImageChannel(), AppendImages(), BlurImageChannel(), ClipPixelCacheNexus(), ClutImageChannel(), CombineImages(), ConvolveImageChannel(), DefineImageColormap(), FilterImageChannel(), GetVirtualPixelsFromNexus(), HaldClutImageChannel(), HorizontalFilter(), ImportQuantumPixels(), SelectiveBlurImageChannel(), SetImageOpacity(), SpliceImage(), TintImage(), UnsharpMaskImageChannel(), VerticalFilter(), XAnnotateImage(), and XDrawImage().

#define SetRedPixelComponent	(	q,
		component		)	((q)->red=(component))

Definition at line 41 of file pixel.h.

Referenced by AppendImages(), BlueShiftImage(), BlurImageChannel(), ClipPixelCacheNexus(), ClutImageChannel(), CombineImages(), ConvolveImageChannel(), FilterImageChannel(), GetVirtualPixelsFromNexus(), HaldClutImageChannel(), HorizontalFilter(), ImportQuantumPixels(), SpliceImage(), TintImage(), UnsharpMaskImageChannel(), and VerticalFilter().

#define SetYellowPixelComponent	(	q,
		component		)	((q)->blue=(component))

Definition at line 68 of file pixel.h.

#define SetYPixelComponent	(	q,
		component		)	((q)->red=(component))

Definition at line 57 of file pixel.h.

---

Typedef Documentation

typedef struct _DoublePixelPacket DoublePixelPacket

typedef Quantum IndexPacket

Definition at line 116 of file pixel.h.

typedef struct _LongPixelPacket LongPixelPacket

typedef struct _MagickPixelPacket MagickPixelPacket

typedef struct _PixelPacket PixelPacket

---

Function Documentation

MagickExport MagickBooleanType ExportImagePixels	(	const Image *	,
		const	long,
		const	long,
		const unsigned long	,
		const unsigned long	,
		const char *	,
		const	StorageType,
		void *	,
		ExceptionInfo *
	)

MagickExport void GetMagickPixelPacket	(	const Image *	,
		MagickPixelPacket *
	)

Definition at line 1624 of file pixel.c.

References _MagickPixelPacket::blue, _Image::colorspace, _MagickPixelPacket::colorspace, _Image::depth, _MagickPixelPacket::depth, DirectClass, _Image::fuzz, _MagickPixelPacket::fuzz, _MagickPixelPacket::green, _MagickPixelPacket::index, MAGICKCORE_QUANTUM_DEPTH, MagickFalse, _Image::matte, _MagickPixelPacket::matte, _MagickPixelPacket::opacity, OpaqueOpacity, _MagickPixelPacket::red, RGBColorspace, _Image::storage_class, and _MagickPixelPacket::storage_class.

Referenced by AcquirePixelThreadSet(), AdaptiveBlurImageChannel(), AdaptiveResizeImage(), AdaptiveSharpenImageChannel(), AdaptiveThresholdImage(), BlackThresholdImageChannel(), BlurImageChannel(), ClassifyImageColors(), ClutImageChannel(), CompareImageBounds(), CompareImageChannels(), CompositeImageChannel(), ConvolveImageChannel(), DistortImage(), DrawAffineImage(), DrawGradientImage(), EvaluateImages(), FilterImageChannel(), FloodfillPaintImage(), FrameImage(), GetAbsoluteError(), GetImageBackgroundColor(), GetImageBoundingBox(), GetImageChannelRange(), GetImageDynamicThreshold(), GetImageProperty(), GetMedianPixelList(), GetNonpeakMedianPixelList(), GetNumberColors(), GetOneVirtualMagickPixel(), GradientImage(), HaldClutImageChannel(), IdentifyImage(), ImplodeImage(), InterpolatePixelColor(), InterpolateResampleFilter(), IsHighDynamicRangeImage(), IsHistogramImage(), IsImageSimilar(), IsPaletteImage(), LoadColorLists(), MaskPixelCacheNexus(), MorphologyApply(), MotionBlurImageChannel(), OpaquePaintImageChannel(), QueryColorname(), QueryMagickColor(), RadialBlurImageChannel(), RandomThresholdImageChannel(), ResamplePixelColor(), RGBTransformImage(), ScaleImage(), SelectiveBlurImageChannel(), SetImageAlphaChannel(), SetImageBackgroundColor(), SketchImage(), SparseColorImage(), SpreadImage(), SwirlImage(), TransformRGBImage(), TransparentPaintImage(), TransparentPaintImageChroma(), UnsharpMaskImageChannel(), WaveImage(), WhiteThresholdImageChannel(), XShearImage(), and YShearImage().

MagickExport MagickBooleanType ImportImagePixels	(	Image *	,
		const	long,
		const	long,
		const unsigned	long,
		const unsigned	long,
		const char *	,
		const	StorageType,
		const void *
	)

Definition at line 1697 of file pixel.c.

References AcquireQuantumMemory(), AlphaQuantum, BlackQuantum, _PixelPacket::blue, BlueQuantum, CharPixel, ClampToQuantum(), CMYKColorspace, CyanQuantum, _Image::debug, DirectClass, DoublePixel, _Image::exception, _Image::filename, FloatPixel, GetAuthenticIndexQueue(), GetAuthenticPixels(), GetMagickModule, _PixelPacket::green, GreenQuantum, IndexQuantum, IntegerPixel, LocaleCompare(), LogMagickEvent(), LongPixel, MagentaQuantum, MagickFalse, MagickSignature, MagickTrue, _Image::matte, _PixelPacket::opacity, OpacityQuantum, OptionError, QuantumPixel, QuantumRange, _PixelPacket::red, RedQuantum, RelinquishMagickMemory(), ResourceLimitError, ScaleCharToQuantum(), ScaleLongToQuantum(), ScaleShortToQuantum(), SetImageColorspace(), SetImageStorageClass(), ShortPixel, _Image::signature, SyncAuthenticPixels(), ThrowBinaryException, ThrowMagickException(), TraceEvent, UndefinedQuantum, and YellowQuantum.

Referenced by ConstituteImage().