MagickCore  7.0.8
Convert, Edit, Or Compose Bitmap Images
Data Structures | Macros | Typedefs | Enumerations | Functions
pixel.h File Reference
#include "MagickCore/colorspace.h"
Include dependency graph for pixel.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 *, const CacheView_ *, const PixelChannel, const PixelInterpolateMethod, const double, const double, double *, ExceptionInfo *)
 
MagickExport MagickBooleanType InterpolatePixelChannels (const Image *, const CacheView_ *, const Image *, 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 IsFuzzyEquivalencePixelInfo (const PixelInfo *, const PixelInfo *)
 
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

◆ MaxPixelChannels

#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

◆ CacheView_

typedef struct _CacheView CacheView_

Definition at line 209 of file pixel.h.

◆ PixelChannelMap

typedef struct _PixelChannelMap PixelChannelMap

◆ PixelInfo

typedef struct _PixelInfo PixelInfo

◆ PixelPacket

typedef struct _PixelPacket PixelPacket

Enumeration Type Documentation

◆ ChannelType

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.

◆ PixelChannel

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.

◆ PixelIntensityMethod

enum PixelIntensityMethod
Enumerator
UndefinedPixelIntensityMethod 
AveragePixelIntensityMethod 
BrightnessPixelIntensityMethod 
LightnessPixelIntensityMethod 
MSPixelIntensityMethod 
Rec601LumaPixelIntensityMethod 
Rec601LuminancePixelIntensityMethod 
Rec709LumaPixelIntensityMethod 
Rec709LuminancePixelIntensityMethod 
RMSPixelIntensityMethod 

Definition at line 96 of file pixel.h.

◆ PixelInterpolateMethod

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

Definition at line 110 of file pixel.h.

◆ PixelMask

enum PixelMask
Enumerator
UndefinedPixelMask 
ReadPixelMask 
WritePixelMask 
CompositePixelMask 

Definition at line 127 of file pixel.h.

◆ PixelTrait

enum PixelTrait
Enumerator
UndefinedPixelTrait 
CopyPixelTrait 
UpdatePixelTrait 
BlendPixelTrait 

Definition at line 135 of file pixel.h.

◆ StorageType

enum StorageType
Enumerator
UndefinedPixel 
CharPixel 
DoublePixel 
FloatPixel 
LongPixel 
LongLongPixel 
QuantumPixel 
ShortPixel 

Definition at line 143 of file pixel.h.

Function Documentation

◆ AcquirePixelChannelMap()

MagickExport PixelChannelMap* AcquirePixelChannelMap ( void  )

◆ ClonePixelChannelMap()

MagickExport PixelChannelMap * ClonePixelChannelMap ( PixelChannelMap *  )

◆ ClonePixelInfo()

MagickExport PixelInfo* ClonePixelInfo ( const PixelInfo *  )

Definition at line 170 of file pixel.c.

References AcquireQuantumMemory(), ResourceLimitFatalError, and ThrowFatalException.

Referenced by FxGetSymbol().

◆ ConformPixelInfo()

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

◆ DecodePixelGamma()

MagickExport MagickRealType DecodePixelGamma ( const MagickRealType  )

◆ DestroyPixelChannelMap()

MagickExport PixelChannelMap * DestroyPixelChannelMap ( PixelChannelMap *  )

Definition at line 350 of file pixel.c.

References RelinquishMagickMemory().

Referenced by DestroyImage().

◆ EncodePixelGamma()

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().

◆ ExportImagePixels()

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

◆ GetPixelInfo()

MagickExport void GetPixelInfo ( const Image *  ,
PixelInfo *   
)

◆ GetPixelInfoIntensity()

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

◆ GetPixelIntensity()

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

◆ ImportImagePixels()

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

◆ InitializePixelChannelMap()

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().

◆ InterpolatePixelChannel()

MagickExport MagickBooleanType InterpolatePixelChannel ( const Image *  ,
const CacheView_ *  ,
const PixelChannel  ,
const PixelInterpolateMethod  ,
const double  ,
const double  ,
double *  ,
ExceptionInfo *   
)

◆ InterpolatePixelChannels()

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

◆ InterpolatePixelInfo()

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

◆ IsFuzzyEquivalencePixel()

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

◆ IsFuzzyEquivalencePixelInfo()

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

◆ SetPixelChannelMask()

MagickExport ChannelType SetPixelChannelMask ( Image *  ,
const ChannelType   
)

Definition at line 6276 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().

◆ SetPixelMetaChannels()

MagickExport MagickBooleanType SetPixelMetaChannels ( Image *  ,
const size_t  ,
ExceptionInfo *   
)

Definition at line 6360 of file pixel.c.

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

Referenced by ChannelFxImage().