pixel.c File Reference

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

Include dependency graph for pixel.c:

Go to the source code of this file.

Macros
#define	GetChannelBit(mask, bit)   (((size_t) (mask) >> (size_t) (bit)) & 0x01)

Functions
MagickExport PixelChannelMap *	AcquirePixelChannelMap (void)
MagickExport PixelChannelMap *	ClonePixelChannelMap (PixelChannelMap *channel_map)
MagickExport PixelInfo *	ClonePixelInfo (const PixelInfo *pixel)
MagickExport void	ConformPixelInfo (Image *image, const PixelInfo *source, PixelInfo *destination, ExceptionInfo *exception)
static double	DecodeGamma (const double x)
MagickExport MagickRealType	DecodePixelGamma (const MagickRealType pixel)
MagickExport PixelChannelMap *	DestroyPixelChannelMap (PixelChannelMap *channel_map)
static double	EncodeGamma (const double x)
MagickExport MagickRealType	EncodePixelGamma (const MagickRealType pixel)
static MagickBooleanType	ExportCharPixel (const Image *image, const RectangleInfo *roi, const char *magick_restrict map, const QuantumType *quantum_map, void *pixels, ExceptionInfo *exception)
static MagickBooleanType	ExportDoublePixel (const Image *image, const RectangleInfo *roi, const char *magick_restrict map, const QuantumType *quantum_map, void *pixels, ExceptionInfo *exception)
static MagickBooleanType	ExportFloatPixel (const Image *image, const RectangleInfo *roi, const char *magick_restrict map, const QuantumType *quantum_map, void *pixels, ExceptionInfo *exception)
static MagickBooleanType	ExportLongPixel (const Image *image, const RectangleInfo *roi, const char *magick_restrict map, const QuantumType *quantum_map, void *pixels, ExceptionInfo *exception)
static MagickBooleanType	ExportLongLongPixel (const Image *image, const RectangleInfo *roi, const char *magick_restrict map, const QuantumType *quantum_map, void *pixels, ExceptionInfo *exception)
static MagickBooleanType	ExportQuantumPixel (const Image *image, const RectangleInfo *roi, const char *magick_restrict map, const QuantumType *quantum_map, void *pixels, ExceptionInfo *exception)
static MagickBooleanType	ExportShortPixel (const 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 void	GetPixelInfo (const Image *image, PixelInfo *pixel)
MagickExport MagickRealType	GetPixelInfoIntensity (const Image *magick_restrict image, const PixelInfo *magick_restrict pixel)
MagickExport MagickRealType	GetPixelIntensity (const Image *magick_restrict image, const Quantum *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	ImportLongPixel (Image *image, const RectangleInfo *roi, const char *magick_restrict map, const QuantumType *quantum_map, const void *pixels, ExceptionInfo *exception)
static MagickBooleanType	ImportLongLongPixel (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, ExceptionInfo *exception)
MagickExport void	InitializePixelChannelMap (Image *image)
static void	CatromWeights (const double x, double(*weights)[4])
static double	ConstrainPixelOffset (double x)
static void	SplineWeights (const double x, double(*weights)[4])
static double	MeshInterpolate (const PointInfo *delta, const double p, const double x, const double y)
MagickExport MagickBooleanType	InterpolatePixelChannel (const Image *magick_restrict image, const CacheView_ *image_view, const PixelChannel channel, const PixelInterpolateMethod method, const double x, const double y, double *pixel, ExceptionInfo *exception)
MagickExport MagickBooleanType	InterpolatePixelChannels (const Image *magick_restrict source, const CacheView_ *source_view, const Image *magick_restrict destination, const PixelInterpolateMethod method, const double x, const double y, Quantum *pixel, ExceptionInfo *exception)
static void	AlphaBlendPixelInfo (const Image *image, const Quantum *pixel, PixelInfo *pixel_info, double *alpha)
MagickExport MagickBooleanType	InterpolatePixelInfo (const Image *image, const CacheView_ *image_view, const PixelInterpolateMethod method, const double x, const double y, PixelInfo *pixel, ExceptionInfo *exception)
MagickExport MagickBooleanType	IsFuzzyEquivalencePixel (const Image *source, const Quantum *p, const Image *destination, const Quantum *q)
MagickExport MagickBooleanType	IsFuzzyEquivalencePixelInfo (const PixelInfo *p, const PixelInfo *q)
static void	LogPixelChannels (const Image *image)
MagickExport ChannelType	SetPixelChannelMask (Image *image, const ChannelType channel_mask)
MagickExport MagickBooleanType	SetPixelMetaChannels (Image *image, const size_t number_meta_channels, ExceptionInfo *exception)

Macro Definition Documentation

#define GetChannelBit	(		mask,
			bit
	)		(((size_t) (mask) >> (size_t) (bit)) & 0x01)

Referenced by SetPixelChannelMask().

Function Documentation

MagickExport PixelChannelMap* AcquirePixelChannelMap

(

void

)

Definition at line 93 of file pixel.c.

References AcquireQuantumMemory(), MaxPixelChannels, ResourceLimitFatalError, and ThrowFatalException.

Referenced by AcquireImage(), and ClonePixelChannelMap().

static void AlphaBlendPixelInfo ( const Image *  image, const Quantum *  pixel, PixelInfo *  pixel_info, double *  alpha  )

inlinestatic

Definition at line 5456 of file pixel.c.

References _PixelInfo::alpha, _Image::alpha_trait, _PixelInfo::black, _PixelInfo::blue, CMYKColorspace, _Image::colorspace, GetPixelAlpha(), GetPixelBlack(), GetPixelBlue(), GetPixelGreen(), GetPixelRed(), _PixelInfo::green, QuantumScale, _PixelInfo::red, and UndefinedPixelTrait.

Referenced by InterpolatePixelInfo().

static void CatromWeights ( const double  x, double(*)  weights[4]  )

inlinestatic

Definition at line 4428 of file pixel.c.

Referenced by InterpolatePixelChannel(), InterpolatePixelChannels(), and InterpolatePixelInfo().

MagickExport PixelChannelMap* ClonePixelChannelMap

(

PixelChannelMap *

channel_map

)

Definition at line 133 of file pixel.c.

References AcquirePixelChannelMap(), and MaxPixelChannels.

Referenced by CloneImage().

MagickExport PixelInfo* ClonePixelInfo

(

const PixelInfo *

pixel

)

Definition at line 170 of file pixel.c.

References AcquireQuantumMemory(), ResourceLimitFatalError, and ThrowFatalException.

Referenced by FxGetSymbol().

MagickExport void ConformPixelInfo	(	Image *	image,
		const PixelInfo *	source,
		PixelInfo *	destination,
		ExceptionInfo *	exception
	)

Definition at line 212 of file pixel.c.

References _PixelInfo::alpha_trait, _Image::alpha_trait, _Image::background_color, CMYKColorspace, _Image::colorspace, _PixelInfo::colorspace, ConvertCMYKToRGB(), ConvertRGBToCMYK(), IsGrayColorspace(), IsPixelInfoGray(), IssRGBCompatibleColorspace(), MagickCoreSignature, MagickFalse, OpaqueAlpha, SetImageAlpha(), _Image::signature, sRGBColorspace, TransformImageColorspace(), and UndefinedPixelTrait.

Referenced by DistortImage(), OpaquePaintImage(), SetImageAlphaChannel(), and SetImageBackgroundColor().

static double ConstrainPixelOffset ( double  x )

inlinestatic

Definition at line 4455 of file pixel.c.

Referenced by InterpolatePixelChannel(), InterpolatePixelChannels(), and InterpolatePixelInfo().

static double DecodeGamma ( const double  x )

inlinestatic

Definition at line 261 of file pixel.c.

Referenced by DecodePixelGamma().

MagickExport MagickRealType DecodePixelGamma

(

const MagickRealType

pixel

)

Definition at line 319 of file pixel.c.

References DecodeGamma(), QuantumRange, and QuantumScale.

Referenced by ConvertRGBToCMYK(), ConvertRGBToXYZ(), GetPixelInfoIntensity(), GetPixelInfoLuminance(), GetPixelIntensity(), GetPixelLuminance(), GrayscaleImage(), and sRGBTransformImage().

MagickExport PixelChannelMap* DestroyPixelChannelMap

(

PixelChannelMap *

channel_map

)

Definition at line 350 of file pixel.c.

References RelinquishMagickMemory().

Referenced by DestroyImage().

static double EncodeGamma ( const double  x )

inlinestatic

Definition at line 381 of file pixel.c.

Referenced by EncodePixelGamma().

MagickExport MagickRealType EncodePixelGamma

(

const MagickRealType

pixel

)

Definition at line 446 of file pixel.c.

References EncodeGamma(), QuantumRange, and QuantumScale.

Referenced by ConvertXYZToRGB(), GetPixelInfoIntensity(), GetPixelInfoLuma(), GetPixelIntensity(), GrayscaleImage(), and TransformsRGBImage().

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

static

Definition at line 509 of file pixel.c.

References AlphaQuantum, BlackQuantum, BlueQuantum, ClampToQuantum(), CMYKColorspace, _Image::colorspace, CyanQuantum, GetPixelAlpha(), GetPixelBlack(), GetPixelBlue(), GetPixelChannels(), GetPixelGreen(), GetPixelIntensity(), GetPixelRed(), GetVirtualPixels(), GreenQuantum, _RectangleInfo::height, IndexQuantum, LocaleCompare(), MagentaQuantum, magick_restrict, MagickFalse, MagickTrue, OpacityQuantum, RedQuantum, _RectangleInfo::width, _RectangleInfo::x, _RectangleInfo::y, and YellowQuantum.

Referenced by ExportImagePixels().

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

static

Definition at line 716 of file pixel.c.

References AlphaQuantum, BlackQuantum, BlueQuantum, CMYKColorspace, _Image::colorspace, CyanQuantum, GetPixelAlpha(), GetPixelBlack(), GetPixelBlue(), GetPixelChannels(), GetPixelGreen(), GetPixelIntensity(), GetPixelRed(), GetVirtualPixels(), GreenQuantum, _RectangleInfo::height, IndexQuantum, LocaleCompare(), MagentaQuantum, magick_restrict, MagickFalse, MagickTrue, OpacityQuantum, QuantumScale, RedQuantum, _RectangleInfo::width, _RectangleInfo::x, _RectangleInfo::y, and YellowQuantum.

Referenced by ExportImagePixels().

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

static

Definition at line 924 of file pixel.c.

References AlphaQuantum, BlackQuantum, BlueQuantum, CMYKColorspace, _Image::colorspace, CyanQuantum, GetPixelAlpha(), GetPixelBlack(), GetPixelBlue(), GetPixelChannels(), GetPixelGreen(), GetPixelIntensity(), GetPixelRed(), GetVirtualPixels(), GreenQuantum, _RectangleInfo::height, IndexQuantum, LocaleCompare(), MagentaQuantum, magick_restrict, MagickFalse, MagickTrue, OpacityQuantum, QuantumScale, RedQuantum, _RectangleInfo::width, _RectangleInfo::x, _RectangleInfo::y, and YellowQuantum.

Referenced by ExportImagePixels().

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
	)

Definition at line 1964 of file pixel.c.

References AcquireQuantumMemory(), AlphaQuantum, BlackQuantum, BlueQuantum, CharPixel, CMYKColorspace, _Image::colorspace, CyanQuantum, _Image::debug, DoublePixel, ExportCharPixel(), ExportDoublePixel(), ExportFloatPixel(), ExportLongLongPixel(), ExportLongPixel(), ExportQuantumPixel(), ExportShortPixel(), _Image::filename, FloatPixel, GetMagickModule, GreenQuantum, _RectangleInfo::height, ImageError, IndexQuantum, LogMagickEvent(), LongLongPixel, LongPixel, MagentaQuantum, MagickCoreSignature, MagickFalse, OpacityQuantum, OptionError, QuantumPixel, RedQuantum, RelinquishMagickMemory(), ResourceLimitError, ShortPixel, _Image::signature, ThrowMagickException(), TraceEvent, UndefinedQuantum, _RectangleInfo::width, _RectangleInfo::x, _RectangleInfo::y, and YellowQuantum.

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

static

Definition at line 1338 of file pixel.c.

References AlphaQuantum, BlackQuantum, BlueQuantum, ClampToQuantum(), CMYKColorspace, _Image::colorspace, CyanQuantum, GetPixelAlpha(), GetPixelBlack(), GetPixelBlue(), GetPixelChannels(), GetPixelGreen(), GetPixelIntensity(), GetPixelRed(), GetVirtualPixels(), GreenQuantum, _RectangleInfo::height, IndexQuantum, LocaleCompare(), MagentaQuantum, magick_restrict, MagickFalse, MagickTrue, OpacityQuantum, RedQuantum, _RectangleInfo::width, _RectangleInfo::x, _RectangleInfo::y, and YellowQuantum.

Referenced by ExportImagePixels().

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

static

Definition at line 1131 of file pixel.c.

References AlphaQuantum, BlackQuantum, BlueQuantum, ClampToQuantum(), CMYKColorspace, _Image::colorspace, CyanQuantum, GetPixelAlpha(), GetPixelBlack(), GetPixelBlue(), GetPixelChannels(), GetPixelGreen(), GetPixelIntensity(), GetPixelRed(), GetVirtualPixels(), GreenQuantum, _RectangleInfo::height, IndexQuantum, LocaleCompare(), MagentaQuantum, magick_restrict, MagickFalse, MagickTrue, OpacityQuantum, RedQuantum, _RectangleInfo::width, _RectangleInfo::x, _RectangleInfo::y, and YellowQuantum.

Referenced by ExportImagePixels().

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

static

Definition at line 1547 of file pixel.c.

References AlphaQuantum, BlackQuantum, BlueQuantum, ClampToQuantum(), CMYKColorspace, _Image::colorspace, CyanQuantum, GetPixelAlpha(), GetPixelBlack(), GetPixelBlue(), GetPixelChannels(), GetPixelGreen(), GetPixelIntensity(), GetPixelRed(), GetVirtualPixels(), GreenQuantum, _RectangleInfo::height, IndexQuantum, LocaleCompare(), MagentaQuantum, magick_restrict, MagickFalse, MagickTrue, OpacityQuantum, RedQuantum, _RectangleInfo::width, _RectangleInfo::x, _RectangleInfo::y, and YellowQuantum.

Referenced by ExportImagePixels().

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

static

Definition at line 1757 of file pixel.c.

References AlphaQuantum, BlackQuantum, BlueQuantum, ClampToQuantum(), CMYKColorspace, _Image::colorspace, CyanQuantum, GetPixelAlpha(), GetPixelBlack(), GetPixelBlue(), GetPixelChannels(), GetPixelGreen(), GetPixelIntensity(), GetPixelRed(), GetVirtualPixels(), GreenQuantum, _RectangleInfo::height, IndexQuantum, LocaleCompare(), MagentaQuantum, magick_restrict, MagickFalse, MagickTrue, OpacityQuantum, RedQuantum, _RectangleInfo::width, _RectangleInfo::x, _RectangleInfo::y, and YellowQuantum.

Referenced by ExportImagePixels().

MagickExport void GetPixelInfo	(	const Image *	image,
		PixelInfo *	pixel
	)

Definition at line 2170 of file pixel.c.

References _PixelInfo::alpha, _PixelInfo::alpha_trait, _Image::alpha_trait, _Image::colorspace, _PixelInfo::colorspace, _Image::depth, _PixelInfo::depth, DirectClass, _PixelInfo::fuzz, _Image::fuzz, MAGICKCORE_QUANTUM_DEPTH, OpaqueAlpha, sRGBColorspace, _Image::storage_class, _PixelInfo::storage_class, and UndefinedPixelTrait.

Referenced by AcquireColorCache(), AcquireImageColormap(), AppendImages(), BlackThresholdImage(), CheckImageColors(), ClassifyImageColors(), ClutImage(), ColorizeImage(), ColorMatrixImage(), CompareImagesBounds(), CompositeImage(), CompositeOverImage(), ConnectedComponentsImage(), DistortImage(), DrawAffineImage(), DrawGradientImage(), DrawPolygonPrimitive(), DrawPrimitive(), EnhanceImage(), FloodfillPaintImage(), FxGetSymbol(), GetImageBackgroundColor(), GetImageBoundingBox(), GetImageDynamicThreshold(), GetNumberColors(), GetOneCacheViewVirtualPixelInfo(), GetOneVirtualPixelInfo(), HaldClutImage(), IdentifyImage(), InterpretImageProperties(), IsEquivalentImage(), MeanShiftImage(), OpaquePaintImage(), QueryColorCompliance(), RandomThresholdImage(), ResamplePixelColor(), SparseColorImage(), sRGBTransformImage(), TintImage(), TransformsRGBImage(), TransparentPaintImage(), TransparentPaintImageChroma(), WhiteThresholdImage(), XShearImage(), and YShearImage().

MagickExport MagickRealType GetPixelInfoIntensity	(	const Image *magick_restrict	image,
		const PixelInfo *magick_restrict	pixel
	)

Definition at line 2224 of file pixel.c.

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

Referenced by IntensityCompare(), IsEquivalentIntensity(), SteganoImage(), and TintImage().

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

Definition at line 2358 of file pixel.c.

References AveragePixelIntensityMethod, BrightnessPixelIntensityMethod, DecodePixelGamma(), EncodePixelGamma(), GetPixelBlue(), GetPixelGreen(), GetPixelRed(), GRAYColorspace, LightnessPixelIntensityMethod, LinearGRAYColorspace, MagickMax, MagickMin, MSPixelIntensityMethod, QuantumRange, Rec601LumaPixelIntensityMethod, Rec601LuminancePixelIntensityMethod, Rec709LumaPixelIntensityMethod, Rec709LuminancePixelIntensityMethod, RGBColorspace, RMSPixelIntensityMethod, and sRGBColorspace.

Referenced by AdaptiveBlurImage(), AdaptiveSharpenImage(), AutoThresholdImage(), BilevelImage(), BlackThresholdImage(), CannyEdgeImage(), CompositeImage(), ConsolidateCMYKImages(), ContrastStretchImage(), EqualizeImage(), ExportCharPixel(), ExportDoublePixel(), ExportFloatPixel(), ExportLongLongPixel(), ExportLongPixel(), ExportQuantumPixel(), ExportShortPixel(), Fish2X(), FxGetSymbol(), HoughLineImage(), HuffmanEncodeImage(), LinearStretchImage(), MorphologyPrimitive(), OilPaintImage(), RangeThresholdImage(), RenderPostscript(), SelectiveBlurImage(), SepiaToneImage(), SetImageAlphaChannel(), SetImageMask(), StreamImagePixels(), TraceEdges(), and WhiteThresholdImage().

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

static

Definition at line 2509 of file pixel.c.

References AlphaQuantum, BlackQuantum, BlueQuantum, CyanQuantum, GetAuthenticPixels(), GetPixelChannels(), GreenQuantum, _RectangleInfo::height, IndexQuantum, LocaleCompare(), MagentaQuantum, magick_restrict, MagickFalse, MagickTrue, OpacityQuantum, RedQuantum, SetPixelAlpha(), SetPixelBlack(), SetPixelBlue(), SetPixelGray(), SetPixelGreen(), SetPixelRed(), SyncAuthenticPixels(), _RectangleInfo::width, _RectangleInfo::x, _RectangleInfo::y, and YellowQuantum.

Referenced by ImportImagePixels().

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

static

Definition at line 2770 of file pixel.c.

References AlphaQuantum, BlackQuantum, BlueQuantum, ClampToQuantum(), CyanQuantum, GetAuthenticPixels(), GetPixelChannels(), GreenQuantum, _RectangleInfo::height, IndexQuantum, LocaleCompare(), MagentaQuantum, magick_restrict, MagickFalse, MagickTrue, OpacityQuantum, QuantumRange, RedQuantum, SetPixelAlpha(), SetPixelBlack(), SetPixelBlue(), SetPixelGray(), SetPixelGreen(), SetPixelRed(), SyncAuthenticPixels(), _RectangleInfo::width, _RectangleInfo::x, _RectangleInfo::y, and YellowQuantum.

Referenced by ImportImagePixels().

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

static

Definition at line 3011 of file pixel.c.

References AlphaQuantum, BlackQuantum, BlueQuantum, ClampToQuantum(), CyanQuantum, GetAuthenticPixels(), GetPixelChannels(), GreenQuantum, _RectangleInfo::height, IndexQuantum, LocaleCompare(), MagentaQuantum, magick_restrict, MagickFalse, MagickTrue, OpacityQuantum, QuantumRange, RedQuantum, SetPixelAlpha(), SetPixelBlack(), SetPixelBlue(), SetPixelGray(), SetPixelGreen(), SetPixelRed(), SyncAuthenticPixels(), _RectangleInfo::width, _RectangleInfo::x, _RectangleInfo::y, and YellowQuantum.

Referenced by ImportImagePixels().

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,
		ExceptionInfo *	exception
	)

Definition at line 4136 of file pixel.c.

References AcquireQuantumMemory(), _Image::alpha_trait, AlphaQuantum, BlackQuantum, BlendPixelTrait, BlueQuantum, CharPixel, CMYKColorspace, CyanQuantum, _Image::debug, DirectClass, DoublePixel, _Image::filename, FloatPixel, GetMagickModule, GRAYColorspace, GreenQuantum, _RectangleInfo::height, ImportCharPixel(), ImportDoublePixel(), ImportFloatPixel(), ImportLongLongPixel(), ImportLongPixel(), ImportQuantumPixel(), ImportShortPixel(), IndexQuantum, LogMagickEvent(), LongLongPixel, LongPixel, MagentaQuantum, MagickCoreSignature, MagickFalse, 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 ImportLongLongPixel ( Image *  image, const RectangleInfo *  roi, const char *magick_restrict  map, const QuantumType *  quantum_map, const void *  pixels, ExceptionInfo *  exception  )

static

Definition at line 3473 of file pixel.c.

References AlphaQuantum, BlackQuantum, BlueQuantum, CyanQuantum, GetAuthenticPixels(), GetPixelChannels(), GreenQuantum, _RectangleInfo::height, IndexQuantum, LocaleCompare(), MagentaQuantum, magick_restrict, MagickFalse, MagickTrue, OpacityQuantum, RedQuantum, SetPixelAlpha(), SetPixelBlack(), SetPixelBlue(), SetPixelGray(), SetPixelGreen(), SetPixelRed(), SyncAuthenticPixels(), _RectangleInfo::width, _RectangleInfo::x, _RectangleInfo::y, and YellowQuantum.

Referenced by ImportImagePixels().

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

static

Definition at line 3252 of file pixel.c.

References AlphaQuantum, BlackQuantum, BlueQuantum, CyanQuantum, GetAuthenticPixels(), GetPixelChannels(), GreenQuantum, _RectangleInfo::height, IndexQuantum, LocaleCompare(), MagentaQuantum, magick_restrict, MagickFalse, MagickTrue, OpacityQuantum, RedQuantum, SetPixelAlpha(), SetPixelBlack(), SetPixelBlue(), SetPixelGray(), SetPixelGreen(), SetPixelRed(), SyncAuthenticPixels(), _RectangleInfo::width, _RectangleInfo::x, _RectangleInfo::y, and YellowQuantum.

Referenced by ImportImagePixels().

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

static

Definition at line 3694 of file pixel.c.

References AlphaQuantum, BlackQuantum, BlueQuantum, CyanQuantum, GetAuthenticPixels(), GetPixelChannels(), GreenQuantum, _RectangleInfo::height, IndexQuantum, LocaleCompare(), MagentaQuantum, magick_restrict, MagickFalse, MagickTrue, OpacityQuantum, RedQuantum, SetPixelAlpha(), SetPixelBlack(), SetPixelBlue(), SetPixelGray(), SetPixelGreen(), SetPixelRed(), SyncAuthenticPixels(), _RectangleInfo::width, _RectangleInfo::x, _RectangleInfo::y, and YellowQuantum.

Referenced by ImportImagePixels().

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

static

Definition at line 3915 of file pixel.c.

References AlphaQuantum, BlackQuantum, BlueQuantum, CyanQuantum, GetAuthenticPixels(), GetPixelChannels(), GreenQuantum, _RectangleInfo::height, IndexQuantum, LocaleCompare(), MagentaQuantum, magick_restrict, MagickFalse, MagickTrue, OpacityQuantum, RedQuantum, SetPixelAlpha(), SetPixelBlack(), SetPixelBlue(), SetPixelGray(), SetPixelGreen(), SetPixelRed(), SyncAuthenticPixels(), _RectangleInfo::width, _RectangleInfo::x, _RectangleInfo::y, and YellowQuantum.

Referenced by ImportImagePixels().

MagickExport void InitializePixelChannelMap

(

Image *

image

)

Definition at line 4332 of file pixel.c.

References _Image::alpha_trait, AlphaPixelChannel, BlackPixelChannel, BlendPixelTrait, BluePixelChannel, _Image::channel_map, _Image::channel_mask, _Image::channels, CMYKColorspace, _Image::colorspace, CompositeMaskChannel, CompositeMaskPixelChannel, CopyPixelTrait, GRAYColorspace, GreenPixelChannel, IndexPixelChannel, LinearGRAYColorspace, MagickCoreSignature, MaxPixelChannels, _Image::number_channels, _Image::number_meta_channels, PseudoClass, ReadMaskChannel, ReadMaskPixelChannel, RedPixelChannel, SetPixelChannelAttributes(), SetPixelChannelMask(), _Image::signature, _Image::storage_class, UndefinedPixelTrait, UpdatePixelTrait, WriteMaskChannel, and WriteMaskPixelChannel.

Referenced by OpenPixelCache(), ReadStream(), and SetPixelMetaChannels().

MagickExport MagickBooleanType InterpolatePixelChannel	(	const Image *magick_restrict	image,
		const CacheView_ *	image_view,
		const PixelChannel	channel,
		const PixelInterpolateMethod	method,
		const double	x,
		const double	y,
		double *	pixel,
		ExceptionInfo *	exception
	)

Definition at line 4490 of file pixel.c.

References AlphaPixelChannel, Average16InterpolatePixel, Average9InterpolatePixel, AverageInterpolatePixel, BilinearInterpolatePixel, BlendInterpolatePixel, BlendPixelTrait, CatromInterpolatePixel, CatromWeights(), ConstrainPixelOffset(), GetCacheViewVirtualPixels(), GetPixelAlpha(), GetPixelChannel(), GetPixelChannels(), GetPixelChannelTraits(), GetPixelLuma(), IntegerInterpolatePixel, magick_restrict, MagickCoreSignature, MagickFalse, MagickTrue, MeshInterpolate(), MeshInterpolatePixel, NearestInterpolatePixel, PerceptibleReciprocal(), QuantumScale, SplineInterpolatePixel, SplineWeights(), UndefinedInterpolatePixel, _PointInfo::x, and _PointInfo::y.

MagickExport MagickBooleanType InterpolatePixelChannels	(	const Image *magick_restrict	source,
		const CacheView_ *	source_view,
		const Image *magick_restrict	destination,
		const PixelInterpolateMethod	method,
		const double	x,
		const double	y,
		Quantum *	pixel,
		ExceptionInfo *	exception
	)

Definition at line 4915 of file pixel.c.

References AlphaPixelChannel, Average16InterpolatePixel, Average9InterpolatePixel, AverageInterpolatePixel, BilinearInterpolatePixel, BlendInterpolatePixel, BlendPixelTrait, CatromInterpolatePixel, CatromWeights(), ClampToQuantum(), ConstrainPixelOffset(), GetCacheViewVirtualPixels(), GetPixelAlpha(), GetPixelChannelChannel(), GetPixelChannels(), GetPixelChannelTraits(), GetPixelLuma(), IntegerInterpolatePixel, magick_restrict, MagickCoreSignature, MagickFalse, MagickTrue, MeshInterpolate(), MeshInterpolatePixel, NearestInterpolatePixel, PerceptibleReciprocal(), QuantumScale, SetPixelChannel(), SplineInterpolatePixel, SplineWeights(), UndefinedInterpolatePixel, UndefinedPixelTrait, _PointInfo::x, and _PointInfo::y.

Referenced by ImplodeImage(), InterpolativeResizeImage(), KuwaharaImage(), SpreadImage(), SwirlImage(), and WaveImage().

MagickExport MagickBooleanType InterpolatePixelInfo	(	const Image *	image,
		const CacheView_ *	image_view,
		const PixelInterpolateMethod	method,
		const double	x,
		const double	y,
		PixelInfo *	pixel,
		ExceptionInfo *	exception
	)

Definition at line 5481 of file pixel.c.

References _PixelInfo::alpha, AlphaBlendPixelInfo(), Average16InterpolatePixel, Average9InterpolatePixel, AverageInterpolatePixel, _Image::background_color, BackgroundInterpolatePixel, BilinearInterpolatePixel, _PixelInfo::black, BlendInterpolatePixel, _PixelInfo::blue, CatromInterpolatePixel, CatromWeights(), CMYKColorspace, _Image::colorspace, ConstrainPixelOffset(), GetCacheViewVirtualPixels(), GetPixelChannels(), GetPixelInfoPixel(), GetPixelLuma(), _PixelInfo::green, IntegerInterpolatePixel, _Image::interpolate, MagickCoreSignature, MagickFalse, MagickTrue, MeshInterpolate(), MeshInterpolatePixel, NearestInterpolatePixel, PerceptibleReciprocal(), _PixelInfo::red, _Image::signature, SplineInterpolatePixel, SplineWeights(), UndefinedInterpolatePixel, _PointInfo::x, and _PointInfo::y.

Referenced by ClutImage(), CompositeImage(), DrawAffineImage(), FxGetSymbol(), HaldClutImage(), and ResamplePixelColor().

MagickExport MagickBooleanType IsFuzzyEquivalencePixel	(	const Image *	source,
		const Quantum *	p,
		const Image *	destination,
		const Quantum *	q
	)

Definition at line 5954 of file pixel.c.

References _Image::alpha_trait, _Image::colorspace, GetFuzzyColorDistance(), GetPixelAlpha(), GetPixelBlue(), GetPixelGreen(), GetPixelRed(), HSBColorspace, HSLColorspace, HWBColorspace, MagickEpsilon, MagickFalse, MagickTrue, QuantumRange, QuantumScale, and UndefinedPixelTrait.

Referenced by CompositeImage().

MagickExport MagickBooleanType IsFuzzyEquivalencePixelInfo	(	const PixelInfo *	p,
		const PixelInfo *	q
	)

Definition at line 6065 of file pixel.c.

References _PixelInfo::alpha, _PixelInfo::alpha_trait, _PixelInfo::black, _PixelInfo::blue, CMYKColorspace, _PixelInfo::colorspace, _PixelInfo::fuzz, _PixelInfo::green, HSBColorspace, HSLColorspace, HWBColorspace, MagickEpsilon, MagickFalse, MagickMax, MagickSQ1_2, MagickTrue, OpaqueAlpha, QuantumRange, QuantumScale, _PixelInfo::red, and UndefinedPixelTrait.

Referenced by ComparePixels(), ConnectedComponentsImage(), DrawPrimitive(), FloodfillPaintImage(), GetEdgeBackgroundFactor(), GetImageBoundingBox(), IsEquivalentImage(), OpaquePaintImage(), and TransparentPaintImage().

static void LogPixelChannels ( const Image *  image )

static

Definition at line 6174 of file pixel.c.

References AlphaPixelChannel, BlackPixelChannel, BlendPixelTrait, BluePixelChannel, _Image::channel_mask, CMYKColorspace, _Image::colorspace, CompositeMaskPixelChannel, ConcatenateMagickString(), CopyPixelTrait, _Image::filename, FormatLocaleString(), GetMagickModule, GetPixelChannelChannel(), GetPixelChannelTraits(), GRAYColorspace, GreenPixelChannel, IndexPixelChannel, LinearGRAYColorspace, LogMagickEvent(), MagickPathExtent, MetaPixelChannel, _Image::number_channels, PixelEvent, PseudoClass, ReadMaskPixelChannel, RedPixelChannel, _Image::storage_class, UndefinedColorspace, UpdatePixelTrait, and WriteMaskPixelChannel.

Referenced by SetPixelChannelMask().

static double MeshInterpolate ( const PointInfo *  delta, const double  p, const double  x, const double  y  )

inlinestatic

Definition at line 4484 of file pixel.c.

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

Referenced by InterpolatePixelChannel(), InterpolatePixelChannels(), and InterpolatePixelInfo().

MagickExport ChannelType SetPixelChannelMask	(	Image *	image,
		const ChannelType	channel_mask
	)

Definition at line 6281 of file pixel.c.

References _Image::alpha_trait, AlphaPixelChannel, BlendPixelTrait, _Image::channel_mask, _Image::channels, CompositeMaskChannel, CompositeMaskPixelChannel, CopyPixelTrait, _Image::debug, _Image::filename, GetChannelBit, GetMagickModule, GetPixelChannelChannel(), GetPixelChannels(), IndexPixelChannel, LogMagickEvent(), LogPixelChannels(), MagickCoreSignature, MagickFalse, PixelEvent, PseudoClass, ReadMaskChannel, ReadMaskPixelChannel, SetPixelChannelTraits(), _Image::signature, _Image::storage_class, UndefinedPixelTrait, UpdatePixelTrait, WriteMaskChannel, and WriteMaskPixelChannel.

Referenced by ChannelFxImage(), FxChannelStatistics(), InitializePixelChannelMap(), MontageImageList(), SetImageAlphaChannel(), SetImageChannelMask(), and ShadowImage().

MagickExport MagickBooleanType SetPixelMetaChannels	(	Image *	image,
		const size_t	number_meta_channels,
		ExceptionInfo *	exception
	)

Definition at line 6365 of file pixel.c.

References InitializePixelChannelMap(), _Image::number_meta_channels, and SyncImagePixelCache().

Referenced by ChannelFxImage().

static void SplineWeights ( const double  x, double(*)  weights[4]  )

inlinestatic

Definition at line 4464 of file pixel.c.

Referenced by InterpolatePixelChannel(), InterpolatePixelChannels(), and InterpolatePixelInfo().