pixel.h File Reference

#include "MagickCore/colorspace.h"

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Data Structures
struct	_PixelChannelMap
struct	_PixelInfo
struct	_PixelPacket

Macros
#define	MaxPixelChannels   32

Typedefs
typedef struct _PixelChannelMap	PixelChannelMap
typedef struct _PixelInfo	PixelInfo
typedef struct _PixelPacket	PixelPacket
typedef struct _CacheView	CacheView_

Enumerations
enum	ChannelType {   UndefinedChannel = 0x0000, RedChannel = 0x0001, GrayChannel = 0x0001, CyanChannel = 0x0001,   GreenChannel = 0x0002, MagentaChannel = 0x0002, BlueChannel = 0x0004, YellowChannel = 0x0004,   BlackChannel = 0x0008, AlphaChannel = 0x0010, OpacityChannel = 0x0010, IndexChannel = 0x0020,   ReadMaskChannel = 0x0040, WriteMaskChannel = 0x0080, MetaChannel = 0x0100, CompositeMaskChannel = 0x0200,   CompositeChannels = 0x001F, AllChannels = 0x7ffffff, TrueAlphaChannel = 0x0100, RGBChannels = 0x0200,   GrayChannels = 0x0400, SyncChannels = 0x20000, DefaultChannels = AllChannels }
enum	PixelChannel {   UndefinedPixelChannel = 0, RedPixelChannel = 0, CyanPixelChannel = 0, GrayPixelChannel = 0,   LPixelChannel = 0, LabelPixelChannel = 0, YPixelChannel = 0, aPixelChannel = 1,   GreenPixelChannel = 1, MagentaPixelChannel = 1, CbPixelChannel = 1, bPixelChannel = 2,   BluePixelChannel = 2, YellowPixelChannel = 2, CrPixelChannel = 2, BlackPixelChannel = 3,   AlphaPixelChannel = 4, IndexPixelChannel = 5, ReadMaskPixelChannel = 6, WriteMaskPixelChannel = 7,   MetaPixelChannel = 8, CompositeMaskPixelChannel = 9, IntensityPixelChannel = MaxPixelChannels, CompositePixelChannel = MaxPixelChannels,   SyncPixelChannel = MaxPixelChannels+1 }
enum	PixelIntensityMethod {   UndefinedPixelIntensityMethod = 0, AveragePixelIntensityMethod, BrightnessPixelIntensityMethod, LightnessPixelIntensityMethod,   MSPixelIntensityMethod, Rec601LumaPixelIntensityMethod, Rec601LuminancePixelIntensityMethod, Rec709LumaPixelIntensityMethod,   Rec709LuminancePixelIntensityMethod, RMSPixelIntensityMethod }
enum	PixelInterpolateMethod {   UndefinedInterpolatePixel, AverageInterpolatePixel, Average9InterpolatePixel, Average16InterpolatePixel,   BackgroundInterpolatePixel, BilinearInterpolatePixel, BlendInterpolatePixel, CatromInterpolatePixel,   IntegerInterpolatePixel, MeshInterpolatePixel, NearestInterpolatePixel, SplineInterpolatePixel }
enum	PixelMask { UndefinedPixelMask = 0x000000, ReadPixelMask = 0x000001, WritePixelMask = 0x000002, CompositePixelMask = 0x000004 }
enum	PixelTrait { UndefinedPixelTrait = 0x000000, CopyPixelTrait = 0x000001, UpdatePixelTrait = 0x000002, BlendPixelTrait = 0x000004 }
enum	StorageType {   UndefinedPixel, CharPixel, DoublePixel, FloatPixel,   LongPixel, LongLongPixel, QuantumPixel, ShortPixel }

Functions
MagickExport ChannelType	SetPixelChannelMask (Image *, const ChannelType)
MagickExport MagickBooleanType	ExportImagePixels (const Image *, const ssize_t, const ssize_t, const size_t, const size_t, const char *, const StorageType, void *, ExceptionInfo *)
MagickExport MagickBooleanType	ImportImagePixels (Image *, const ssize_t, const ssize_t, const size_t, const size_t, const char *, const StorageType, const void *, ExceptionInfo *)
MagickExport MagickBooleanType	InterpolatePixelChannel (const Image *magick_restrict, const CacheView_ *, const PixelChannel, const PixelInterpolateMethod, const double, const double, double *, ExceptionInfo *)
MagickExport MagickBooleanType	InterpolatePixelChannels (const Image *magick_restrict, const CacheView_ *, const Image *magick_restrict, const PixelInterpolateMethod, const double, const double, Quantum *, ExceptionInfo *)
MagickExport MagickBooleanType	InterpolatePixelInfo (const Image *, const CacheView_ *, const PixelInterpolateMethod, const double, const double, PixelInfo *, ExceptionInfo *)
MagickExport MagickBooleanType	IsFuzzyEquivalencePixel (const Image *, const Quantum *, const Image *, const Quantum *) magick_attribute((__pure__))
MagickExport MagickBooleanType	magick_attribute ((__pure__))
MagickExport MagickBooleanType	SetPixelMetaChannels (Image *, const size_t, ExceptionInfo *)
MagickExport MagickRealType	GetPixelInfoIntensity (const Image *magick_restrict, const PixelInfo *magick_restrict) magick_hot_spot
MagickExport MagickRealType	GetPixelIntensity (const Image *magick_restrict, const Quantum *magick_restrict) magick_hot_spot
MagickExport PixelChannelMap *	AcquirePixelChannelMap (void)
MagickExport PixelChannelMap *	ClonePixelChannelMap (PixelChannelMap *)
MagickExport PixelChannelMap *	DestroyPixelChannelMap (PixelChannelMap *)
MagickExport PixelInfo *	ClonePixelInfo (const PixelInfo *)
MagickExport MagickRealType	DecodePixelGamma (const MagickRealType) magick_hot_spot
MagickExport MagickRealType	EncodePixelGamma (const MagickRealType) magick_hot_spot
MagickExport void	ConformPixelInfo (Image *, const PixelInfo *, PixelInfo *, ExceptionInfo *)
MagickExport void	GetPixelInfo (const Image *, PixelInfo *)
MagickExport void	InitializePixelChannelMap (Image *)

Macro Definition Documentation

#define MaxPixelChannels   32

Definition at line 27 of file pixel.h.

Referenced by AcquirePixelChannelMap(), AcquirePixelThreadSet(), AdaptiveThresholdImage(), ClonePixelChannelMap(), CompositeImage(), CompositeOverImage(), ContrastStretchImage(), EqualizeImage(), EvaluateImages(), FxGetSymbol(), GetAbsoluteDistortion(), GetFuzzDistortion(), GetImageDistortion(), GetImageDistortions(), GetImageFeatures(), GetImageMoments(), GetImagePerceptualHash(), GetImageStatistics(), GetLocationStatistics(), GetMeanAbsoluteDistortion(), GetMeanSquaredDistortion(), GetNormalizedCrossCorrelationDistortion(), GetOneAuthenticPixel(), GetOneAuthenticPixelFromCache(), GetOneAuthenticPixelFromStream(), GetOneCacheViewAuthenticPixel(), GetOneCacheViewVirtualMethodPixel(), GetOneCacheViewVirtualPixel(), GetOneVirtualPixel(), GetOneVirtualPixelFromCache(), GetOneVirtualPixelFromStream(), GetPeakAbsoluteDistortion(), GetPeakSignalToNoiseRatio(), GetPerceptualHashDistortion(), GetRootMeanSquaredDistortion(), GetStructuralDisimilarityDistortion(), GetStructuralSimilarityDistortion(), GetVirtualPixelCacheNexus(), InitializePixelChannelMap(), IntensityCompare(), KuwaharaImage(), OpenDistributeCache(), OpenDistributePixelCache(), OpenPixelCache(), OrderedDitherImage(), ParsePixelChannelOption(), PersistPixelCache(), PolynomialImage(), ScaleImage(), SetPixelChannelAttributes(), and SetQuantumDepth().

Typedef Documentation

typedef struct _CacheView CacheView_

Definition at line 208 of file pixel.h.

typedef struct _PixelChannelMap PixelChannelMap

typedef struct _PixelInfo PixelInfo

typedef struct _PixelPacket PixelPacket

Enumeration Type Documentation

enum ChannelType

Enumerator
UndefinedChannel
RedChannel
GrayChannel
CyanChannel
GreenChannel
MagentaChannel
BlueChannel
YellowChannel
BlackChannel
AlphaChannel
OpacityChannel
IndexChannel
ReadMaskChannel
WriteMaskChannel
MetaChannel
CompositeMaskChannel
CompositeChannels
AllChannels
TrueAlphaChannel
RGBChannels
GrayChannels
SyncChannels
DefaultChannels

Definition at line 33 of file pixel.h.

enum PixelChannel

Enumerator
UndefinedPixelChannel
RedPixelChannel
CyanPixelChannel
GrayPixelChannel
LPixelChannel
LabelPixelChannel
YPixelChannel
aPixelChannel
GreenPixelChannel
MagentaPixelChannel
CbPixelChannel
bPixelChannel
BluePixelChannel
YellowPixelChannel
CrPixelChannel
BlackPixelChannel
AlphaPixelChannel
IndexPixelChannel
ReadMaskPixelChannel
WriteMaskPixelChannel
MetaPixelChannel
CompositeMaskPixelChannel
IntensityPixelChannel
CompositePixelChannel
SyncPixelChannel

Definition at line 67 of file pixel.h.

enum PixelIntensityMethod

Enumerator
UndefinedPixelIntensityMethod
AveragePixelIntensityMethod
BrightnessPixelIntensityMethod
LightnessPixelIntensityMethod
MSPixelIntensityMethod
Rec601LumaPixelIntensityMethod
Rec601LuminancePixelIntensityMethod
Rec709LumaPixelIntensityMethod
Rec709LuminancePixelIntensityMethod
RMSPixelIntensityMethod

Definition at line 96 of file pixel.h.

enum PixelInterpolateMethod

Enumerator
UndefinedInterpolatePixel
AverageInterpolatePixel
Average9InterpolatePixel
Average16InterpolatePixel
BackgroundInterpolatePixel
BilinearInterpolatePixel
BlendInterpolatePixel
CatromInterpolatePixel
IntegerInterpolatePixel
MeshInterpolatePixel
NearestInterpolatePixel
SplineInterpolatePixel

Definition at line 110 of file pixel.h.

enum PixelMask

Enumerator
UndefinedPixelMask
ReadPixelMask
WritePixelMask
CompositePixelMask

Definition at line 126 of file pixel.h.

enum PixelTrait

Enumerator
UndefinedPixelTrait
CopyPixelTrait
UpdatePixelTrait
BlendPixelTrait

Definition at line 134 of file pixel.h.

enum StorageType

Enumerator
UndefinedPixel
CharPixel
DoublePixel
FloatPixel
LongPixel
LongLongPixel
QuantumPixel
ShortPixel

Definition at line 142 of file pixel.h.

Function Documentation

MagickExport PixelChannelMap* AcquirePixelChannelMap

(

void

)

MagickExport PixelChannelMap * ClonePixelChannelMap

(

PixelChannelMap *

)

MagickExport PixelInfo* ClonePixelInfo

(

const PixelInfo *

)

Definition at line 170 of file pixel.c.

References AcquireQuantumMemory(), ResourceLimitFatalError, and ThrowFatalException.

Referenced by FxGetSymbol().

MagickExport void ConformPixelInfo	(	Image *	,
		const PixelInfo *	,
		PixelInfo *	,
		ExceptionInfo *
	)

MagickExport MagickRealType DecodePixelGamma

(

const MagickRealType

)

MagickExport PixelChannelMap * DestroyPixelChannelMap

(

PixelChannelMap *

)

Definition at line 350 of file pixel.c.

References RelinquishMagickMemory().

Referenced by DestroyImage().

MagickExport MagickRealType EncodePixelGamma

(

const MagickRealType

)

Definition at line 446 of file pixel.c.

References EncodeGamma(), QuantumRange, and QuantumScale.

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

MagickExport MagickBooleanType ExportImagePixels	(	const Image *	,
		const ssize_t	,
		const ssize_t	,
		const size_t	,
		const size_t	,
		const char *	,
		const StorageType	,
		void *	,
		ExceptionInfo *
	)

MagickExport void GetPixelInfo	(	const Image *	,
		PixelInfo *
	)

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

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

MagickExport MagickBooleanType ImportImagePixels	(	Image *	,
		const ssize_t	,
		const ssize_t	,
		const size_t	,
		const size_t	,
		const char *	,
		const StorageType	,
		const void *	,
		ExceptionInfo *
	)

MagickExport void InitializePixelChannelMap

(

Image *

)

Definition at line 4328 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,
		const CacheView_ *	,
		const PixelChannel	,
		const PixelInterpolateMethod	,
		const double	,
		const double	,
		double *	,
		ExceptionInfo *
	)

MagickExport MagickBooleanType InterpolatePixelChannels	(	const Image *	magick_restrict,
		const CacheView_ *	,
		const Image *	magick_restrict,
		const PixelInterpolateMethod	,
		const double	,
		const double	,
		Quantum *	,
		ExceptionInfo *
	)

MagickExport MagickBooleanType InterpolatePixelInfo	(	const Image *	,
		const CacheView_ *	,
		const PixelInterpolateMethod	,
		const double	,
		const double	,
		PixelInfo *	,
		ExceptionInfo *
	)

MagickExport MagickBooleanType IsFuzzyEquivalencePixel	(	const Image *	,
		const Quantum *	,
		const Image *	,
		const Quantum *
	)

MagickExport MagickBooleanType magick_attribute

(

(__pure__)

)

MagickExport ChannelType SetPixelChannelMask	(	Image *	,
		const ChannelType
	)

Definition at line 6277 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 *	,
		const size_t	,
		ExceptionInfo *
	)

Definition at line 6361 of file pixel.c.

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

Referenced by ChannelFxImage().