pixel.c File Reference

#include "magick/studio.h"
#include "magick/property.h"
#include "magick/blob.h"
#include "magick/blob-private.h"
#include "magick/color-private.h"
#include "magick/draw.h"
#include "magick/exception.h"
#include "magick/exception-private.h"
#include "magick/cache.h"
#include "magick/colorspace-private.h"
#include "magick/constitute.h"
#include "magick/delegate.h"
#include "magick/geometry.h"
#include "magick/list.h"
#include "magick/magick.h"
#include "magick/memory_.h"
#include "magick/memory-private.h"
#include "magick/monitor.h"
#include "magick/option.h"
#include "magick/pixel.h"
#include "magick/pixel-private.h"
#include "magick/quantum.h"
#include "magick/resource_.h"
#include "magick/semaphore.h"
#include "magick/statistic.h"
#include "magick/stream.h"
#include "magick/string_.h"
#include "magick/transform.h"
#include "magick/utility.h"

Include dependency graph for pixel.c:

Functions
MagickExport MagickPixelPacket *	CloneMagickPixelPacket (const MagickPixelPacket *pixel)
MagickExport void	ConformMagickPixelPacket (Image image, const MagickPixelPacket source, MagickPixelPacket destination, ExceptionInfo exception)
static double	DecodeGamma (const double x)
MagickExport MagickRealType	DecodePixelGamma (const MagickRealType pixel)
static double	EncodeGamma (const double x)
MagickExport MagickRealType	EncodePixelGamma (const MagickRealType pixel)
static MagickBooleanType	ExportCharPixel (Image image, const RectangleInfo roi, const char magick_restrict map, const QuantumType quantum_map, void pixels, ExceptionInfo exception)
static MagickBooleanType	ExportDoublePixel (Image image, const RectangleInfo roi, const char magick_restrict map, const QuantumType quantum_map, void pixels, ExceptionInfo exception)
static MagickBooleanType	ExportFloatPixel (Image image, const RectangleInfo roi, const char magick_restrict map, const QuantumType quantum_map, void pixels, ExceptionInfo exception)
static MagickBooleanType	ExportIntegerPixel (Image image, const RectangleInfo roi, const char magick_restrict map, const QuantumType quantum_map, void pixels, ExceptionInfo exception)
static MagickBooleanType	ExportLongPixel (Image image, const RectangleInfo roi, const char magick_restrict map, const QuantumType quantum_map, void pixels, ExceptionInfo exception)
static MagickBooleanType	ExportQuantumPixel (Image image, const RectangleInfo roi, const char magick_restrict map, const QuantumType quantum_map, void pixels, ExceptionInfo exception)
static MagickBooleanType	ExportShortPixel (Image image, const RectangleInfo roi, const char magick_restrict map, const QuantumType quantum_map, void pixels, ExceptionInfo exception)
MagickExport MagickBooleanType	ExportImagePixels (const Image image, const ssize_t x, const ssize_t y, const size_t width, const size_t height, const char map, const StorageType type, void pixels, ExceptionInfo exception)
MagickExport MagickRealType	GetMagickPixelIntensity (const Image image, const MagickPixelPacket magick_restrict pixel)
MagickExport void	GetMagickPixelPacket (const Image image, MagickPixelPacket pixel)
MagickExport MagickRealType	GetPixelIntensity (const Image image, const PixelPacket magick_restrict pixel)
static MagickBooleanType	ImportCharPixel (Image image, const RectangleInfo roi, const char magick_restrict map, const QuantumType quantum_map, const void pixels, ExceptionInfo exception)
static MagickBooleanType	ImportDoublePixel (Image image, const RectangleInfo roi, const char magick_restrict map, const QuantumType quantum_map, const void pixels, ExceptionInfo exception)
static MagickBooleanType	ImportFloatPixel (Image image, const RectangleInfo roi, const char magick_restrict map, const QuantumType quantum_map, const void pixels, ExceptionInfo exception)
static MagickBooleanType	ImportIntegerPixel (Image image, const RectangleInfo roi, const char magick_restrict map, const QuantumType quantum_map, const void pixels, ExceptionInfo exception)
static MagickBooleanType	ImportLongPixel (Image image, const RectangleInfo roi, const char magick_restrict map, const QuantumType quantum_map, const void pixels, ExceptionInfo exception)
static MagickBooleanType	ImportQuantumPixel (Image image, const RectangleInfo roi, const char magick_restrict map, const QuantumType quantum_map, const void pixels, ExceptionInfo exception)
static MagickBooleanType	ImportShortPixel (Image image, const RectangleInfo roi, const char magick_restrict map, const QuantumType quantum_map, const void pixels, ExceptionInfo exception)
MagickExport MagickBooleanType	ImportImagePixels (Image image, const ssize_t x, const ssize_t y, const size_t width, const size_t height, const char map, const StorageType type, const void *pixels)
static void	AlphaBlendMagickPixelPacket (const Image image, const PixelPacket color, const IndexPacket indexes, MagickPixelPacket pixel, MagickRealType *alpha)
static void	CatromWeights (const MagickRealType x, MagickRealType(*weights)[4])
static double	ConstrainPixelOffset (double x)
static void	SplineWeights (const MagickRealType x, MagickRealType(*weights)[4])
static double	MeshInterpolate (const PointInfo *delta, const double p, const double x, const double y)
MagickExport MagickBooleanType	InterpolateMagickPixelPacket (const Image magick_restrict image, const CacheView image_view, const InterpolatePixelMethod method, const double x, const double y, MagickPixelPacket pixel, ExceptionInfo exception)

Function Documentation

static void AlphaBlendMagickPixelPacket	(	const Image *	image,
		const PixelPacket *	color,
		const IndexPacket *	indexes,
		MagickPixelPacket *	pixel,
		MagickRealType *	alpha
	)			`[inline, static]`

References _MagickPixelPacket::blue, CMYKColorspace, _Image::colorspace, GetPixelAlpha, GetPixelBlue, GetPixelGreen, GetPixelIndex, GetPixelOpacity, GetPixelRed, _MagickPixelPacket::green, _MagickPixelPacket::index, MagickFalse, _Image::matte, _MagickPixelPacket::opacity, PseudoClass, QuantumScale, _MagickPixelPacket::red, and _Image::storage_class.

Referenced by InterpolateMagickPixelPacket().

static void CatromWeights	(	const MagickRealType	x,
		MagickRealType(*)	weights[4]
	)			`[inline, static]`

Referenced by InterpolateMagickPixelPacket().

MagickExport MagickPixelPacket* CloneMagickPixelPacket ( const MagickPixelPacket * pixel )

References AcquireAlignedMemory(), MagickAssumeAligned, ResourceLimitFatalError, and ThrowFatalException.

Referenced by FxGetSymbol().

MagickExport void ConformMagickPixelPacket	(	Image *	image,
		const MagickPixelPacket *	source,
		MagickPixelPacket *	destination,
		ExceptionInfo *	exception
	)

References CMYKColorspace, _MagickPixelPacket::colorspace, _Image::colorspace, ConvertCMYKToRGB(), ConvertRGBToCMYK(), IsGrayColorspace(), IsMagickGray(), IssRGBCompatibleColorspace(), MagickCoreSignature, MagickFalse, _Image::matte, _MagickPixelPacket::matte, OpaqueOpacity, SetImageOpacity(), _Image::signature, sRGBColorspace, and TransformImageColorspace().

Referenced by OpaquePaintImageChannel().

static double ConstrainPixelOffset ( double x ) [inline, static]

Referenced by InterpolateMagickPixelPacket().

static double DecodeGamma ( const double x ) [inline, static]

Referenced by DecodePixelGamma().

MagickExport MagickRealType DecodePixelGamma ( const MagickRealType pixel )

References DecodeGamma(), QuantumRange, and QuantumScale.

Referenced by ConvertRGBToCMYK(), ConvertRGBToXYZ(), GetMagickPixelIntensity(), GetPixelIntensity(), GetPixelLuminance(), GrayscaleImage(), MagickPixelLuminance(), and RGBTransformImage().

static double EncodeGamma ( const double x ) [inline, static]

Referenced by EncodePixelGamma().

MagickExport MagickRealType EncodePixelGamma ( const MagickRealType pixel )

References EncodeGamma(), QuantumRange, and QuantumScale.

Referenced by ConvertXYZToRGB(), GetMagickPixelIntensity(), GetPixelIntensity(), GrayscaleImage(), MagickPixelLuma(), and TransformRGBImage().

static MagickBooleanType ExportCharPixel	(	Image *	image,
		const RectangleInfo *	roi,
		const char *magick_restrict	map,
		const QuantumType *	quantum_map,
		void *	pixels,
		ExceptionInfo *	exception
	)			`[static]`

static MagickBooleanType ExportDoublePixel	(	Image *	image,
		const RectangleInfo *	roi,
		const char *magick_restrict	map,
		const QuantumType *	quantum_map,
		void *	pixels,
		ExceptionInfo *	exception
	)			`[static]`

static MagickBooleanType ExportFloatPixel	(	Image *	image,
		const RectangleInfo *	roi,
		const char *magick_restrict	map,
		const QuantumType *	quantum_map,
		void *	pixels,
		ExceptionInfo *	exception
	)			`[static]`

MagickExport MagickBooleanType ExportImagePixels	(	const Image *	image,
		const ssize_t	x,
		const ssize_t	y,
		const size_t	width,
		const size_t	height,
		const char *	map,
		const StorageType	type,
		void *	pixels,
		ExceptionInfo *	exception
	)

static MagickBooleanType ExportIntegerPixel	(	Image *	image,
		const RectangleInfo *	roi,
		const char *magick_restrict	map,
		const QuantumType *	quantum_map,
		void *	pixels,
		ExceptionInfo *	exception
	)			`[static]`

static MagickBooleanType ExportLongPixel	(	Image *	image,
		const RectangleInfo *	roi,
		const char *magick_restrict	map,
		const QuantumType *	quantum_map,
		void *	pixels,
		ExceptionInfo *	exception
	)			`[static]`

static MagickBooleanType ExportQuantumPixel	(	Image *	image,
		const RectangleInfo *	roi,
		const char *magick_restrict	map,
		const QuantumType *	quantum_map,
		void *	pixels,
		ExceptionInfo *	exception
	)			`[static]`

static MagickBooleanType ExportShortPixel	(	Image *	image,
		const RectangleInfo *	roi,
		const char *magick_restrict	map,
		const QuantumType *	quantum_map,
		void *	pixels,
		ExceptionInfo *	exception
	)			`[static]`

MagickExport MagickRealType GetMagickPixelIntensity	(	const Image *	image,
		const MagickPixelPacket *magick_restrict	pixel
	)

References AveragePixelIntensityMethod, BrightnessPixelIntensityMethod, DecodePixelGamma(), EncodePixelGamma(), _Image::intensity, LightnessPixelIntensityMethod, MagickMax, MagickMin, MSPixelIntensityMethod, QuantumRange, Rec601LumaPixelIntensityMethod, Rec601LuminancePixelIntensityMethod, Rec709LumaPixelIntensityMethod, Rec709LuminancePixelIntensityMethod, RGBColorspace, RMSPixelIntensityMethod, and sRGBColorspace.

Referenced by FxGetSymbol().

MagickExport void GetMagickPixelPacket	(	const Image *	image,
		MagickPixelPacket *	pixel
	)

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, sRGBColorspace, _Image::storage_class, and _MagickPixelPacket::storage_class.

Referenced by AcquireColorCache(), AcquirePixelThreadSet(), AdaptiveBlurImageChannel(), AdaptiveSharpenImageChannel(), AdaptiveThresholdImage(), BlackThresholdImageChannel(), CheckImageColors(), ClassifyImageColors(), ClutImageChannel(), CompareImageBounds(), CompareImageChannels(), CompositeImageChannel(), ConnectedComponentsImage(), DistortImage(), DrawAffineImage(), DrawGradientImage(), EvaluateImages(), FilterImageChannel(), FloodfillPaintImage(), FrameImage(), FxGetSymbol(), GetEdgeBackgroundFactor(), GetImageBackgroundColor(), GetImageBoundingBox(), GetImageChannelMoments(), GetImageChannelRange(), GetImageDynamicThreshold(), GetImageProperty(), GetMedianPixelList(), GetNumberColors(), GetOneVirtualMagickPixel(), GradientImage(), HaldClutImageChannel(), IdentifyImage(), ImplodeImage(), InterpolateMagickPixelPacket(), InterpolatePixelColor(), InterpolativeResizeImage(), IsHighDynamicRangeImage(), IsHistogramImage(), IsImageSimilar(), KuwaharaImageChannel(), MaskPixelCacheNexus(), MeanShiftImage(), MorphologyPrimitiveDirect(), MotionBlurImageChannel(), OpaquePaintImageChannel(), PolynomialImageChannel(), QueryColorname(), QueryMagickColorCompliance(), RandomThresholdImageChannel(), ResamplePixelColor(), RGBTransformImage(), RotationalBlurImageChannel(), ScaleImage(), SelectiveBlurImageChannel(), SetImageAlphaChannel(), SetImageBackgroundColor(), SketchImage(), SparseColorImage(), SpreadImage(), StatisticImageChannel(), SwirlImage(), ThresholdImageChannel(), TransformRGBImage(), TransparentPaintImage(), TransparentPaintImageChroma(), UnsharpMaskImageChannel(), WaveImage(), WhiteThresholdImageChannel(), XShearImage(), and YShearImage().

MagickExport MagickRealType GetPixelIntensity	(	const Image *	image,
		const PixelPacket *magick_restrict	pixel
	)

References AveragePixelIntensityMethod, BrightnessPixelIntensityMethod, _Image::colorspace, DecodePixelGamma(), EncodePixelGamma(), GRAYColorspace, _Image::intensity, LightnessPixelIntensityMethod, LinearGRAYColorspace, MagickMax, MagickMin, MSPixelIntensityMethod, QuantumRange, Rec601LumaPixelIntensityMethod, Rec601LuminancePixelIntensityMethod, Rec709LumaPixelIntensityMethod, Rec709LuminancePixelIntensityMethod, RGBColorspace, RMSPixelIntensityMethod, and sRGBColorspace.

Referenced by AdaptiveBlurImageChannel(), AdaptiveSharpenImageChannel(), AutoThresholdImage(), BilevelImageChannel(), CannyEdgeImage(), ClipPixelCacheNexus(), CombineImages(), ConsolidateCMYKImages(), ContrastStretchImageChannel(), EqualizeImageChannel(), ExportCharPixel(), ExportDoublePixel(), ExportFloatPixel(), ExportIntegerPixel(), ExportLongPixel(), ExportQuantumPixel(), ExportShortPixel(), HoughLineImage(), HuffmanEncodeImage(), IsIntensitySimilar(), LinearStretchImage(), MagnifyImage(), MaskPixelCacheNexus(), MorphologyPrimitive(), OilPaintImage(), PixelIntensityToQuantum(), RandomChannelThresholdImage(), RandomThresholdImageChannel(), RenderPostscript(), SelectiveBlurImageChannel(), SeparateImageChannel(), SepiaToneImage(), SteganoImage(), StreamImagePixels(), ThresholdImage(), ThresholdImageChannel(), TraceEdges(), XMakeImageLSBFirst(), and XMakeImageMSBFirst().

static MagickBooleanType ImportCharPixel	(	Image *	image,
		const RectangleInfo *	roi,
		const char *magick_restrict	map,
		const QuantumType *	quantum_map,
		const void *	pixels,
		ExceptionInfo *	exception
	)			`[static]`

static MagickBooleanType ImportDoublePixel	(	Image *	image,
		const RectangleInfo *	roi,
		const char *magick_restrict	map,
		const QuantumType *	quantum_map,
		const void *	pixels,
		ExceptionInfo *	exception
	)			`[static]`

static MagickBooleanType ImportFloatPixel	(	Image *	image,
		const RectangleInfo *	roi,
		const char *magick_restrict	map,
		const QuantumType *	quantum_map,
		const void *	pixels,
		ExceptionInfo *	exception
	)			`[static]`

MagickExport MagickBooleanType ImportImagePixels	(	Image *	image,
		const ssize_t	x,
		const ssize_t	y,
		const size_t	width,
		const size_t	height,
		const char *	map,
		const StorageType	type,
		const void *	pixels
	)

References AcquireQuantumMemory(), AlphaQuantum, BlackQuantum, BlueQuantum, CharPixel, CMYKColorspace, CyanQuantum, _Image::debug, DirectClass, DoublePixel, _Image::exception, _Image::filename, FloatPixel, GetMagickModule, GRAYColorspace, GreenQuantum, _RectangleInfo::height, ImportCharPixel(), ImportDoublePixel(), ImportFloatPixel(), ImportIntegerPixel(), ImportLongPixel(), ImportQuantumPixel(), ImportShortPixel(), IndexQuantum, IntegerPixel, LogMagickEvent(), LongPixel, MagentaQuantum, MagickCoreSignature, MagickFalse, MagickTrue, _Image::matte, OpacityQuantum, OptionError, QuantumPixel, RedQuantum, RelinquishMagickMemory(), ResourceLimitError, SetImageColorspace(), SetImageStorageClass(), ShortPixel, _Image::signature, ThrowBinaryException, ThrowMagickException(), TraceEvent, UndefinedQuantum, _RectangleInfo::width, _RectangleInfo::x, _RectangleInfo::y, and YellowQuantum.

Referenced by ConstituteImage().

static MagickBooleanType ImportIntegerPixel	(	Image *	image,
		const RectangleInfo *	roi,
		const char *magick_restrict	map,
		const QuantumType *	quantum_map,
		const void *	pixels,
		ExceptionInfo *	exception
	)			`[static]`

static MagickBooleanType ImportLongPixel	(	Image *	image,
		const RectangleInfo *	roi,
		const char *magick_restrict	map,
		const QuantumType *	quantum_map,
		const void *	pixels,
		ExceptionInfo *	exception
	)			`[static]`

static MagickBooleanType ImportQuantumPixel	(	Image *	image,
		const RectangleInfo *	roi,
		const char *magick_restrict	map,
		const QuantumType *	quantum_map,
		const void *	pixels,
		ExceptionInfo *	exception
	)			`[static]`

static MagickBooleanType ImportShortPixel	(	Image *	image,
		const RectangleInfo *	roi,
		const char *magick_restrict	map,
		const QuantumType *	quantum_map,
		const void *	pixels,
		ExceptionInfo *	exception
	)			`[static]`

MagickExport MagickBooleanType InterpolateMagickPixelPacket	(	const Image *magick_restrict	image,
		const CacheView *	image_view,
		const InterpolatePixelMethod	method,
		const double	x,
		const double	y,
		MagickPixelPacket *	pixel,
		ExceptionInfo *	exception
	)

References AcquireVirtualCacheView(), AlphaBlendMagickPixelPacket(), Average16InterpolatePixel, Average9InterpolatePixel, AverageInterpolatePixel, BackgroundInterpolatePixel, BicubicInterpolatePixel, BilinearInterpolatePixel, BlendInterpolatePixel, _MagickPixelPacket::blue, CatromInterpolatePixel, CatromWeights(), CMYKColorspace, ConstrainPixelOffset(), DestroyCacheView(), DestroyImage(), ExcerptImage(), _Image::filter, FilterInterpolatePixel, GetCacheViewVirtualIndexQueue(), GetCacheViewVirtualPixels(), GetMagickPixelPacket(), GetVirtualIndexQueue(), _MagickPixelPacket::green, _RectangleInfo::height, _MagickPixelPacket::index, IntegerInterpolatePixel, magick_restrict, MagickCoreSignature, MagickFalse, MagickPixelLuma(), MagickTrue, MeshInterpolate(), MeshInterpolatePixel, NearestNeighborInterpolatePixel, _MagickPixelPacket::opacity, PerceptibleReciprocal(), _MagickPixelPacket::red, ResizeImage(), SetMagickPixelPacket(), SplineInterpolatePixel, SplineWeights(), UndefinedInterpolatePixel, _RectangleInfo::width, _RectangleInfo::x, _PointInfo::x, _RectangleInfo::y, and _PointInfo::y.

Referenced by ClutImageChannel(), CompositeImageChannel(), DrawAffineImage(), FxGetSymbol(), HaldClutImageChannel(), ImplodeImage(), InterpolativeResizeImage(), KuwaharaImageChannel(), ResamplePixelColor(), SpreadImage(), SwirlImage(), and WaveImage().

static double MeshInterpolate	(	const PointInfo *	delta,
		const double	p,
		const double	x,
		const double	y
	)			`[inline, static]`

References _PointInfo::x, and _PointInfo::y.

Referenced by InterpolateMagickPixelPacket().

static void SplineWeights	(	const MagickRealType	x,
		MagickRealType(*)	weights[4]
	)			`[inline, static]`

Referenced by InterpolateMagickPixelPacket().

pixel.c File Reference

Functions

Function Documentation