MagickCore  6.7.5
Data Structures | Defines | Typedefs | Functions
quantum-private.h File Reference
#include "MagickCore/cache.h"
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Data Structures

struct  _QuantumState
struct  _QuantumInfo

Defines

#define ExponentBias   (127-15)
#define ExponentMask   0x7c00
#define ExponentShift   23
#define SignBitShift   31
#define SignificandShift   13
#define SignificandMask   0x00000400

Typedefs

typedef struct _QuantumState QuantumState

Functions

MagickPrivate void ResetQuantumState (QuantumInfo *)
static MagickSizeType GetQuantumRange (const size_t depth)
static float HalfToSinglePrecision (const unsigned short half)
static unsigned char * PopCharPixel (const unsigned char pixel, unsigned char *pixels)
static unsigned char * PopLongPixel (const EndianType endian, const unsigned int pixel, unsigned char *pixels)
static unsigned char * PopShortPixel (const EndianType endian, const unsigned short pixel, unsigned char *pixels)
static const unsigned char * PushCharPixel (const unsigned char *pixels, unsigned char *pixel)
static const unsigned char * PushLongPixel (const EndianType endian, const unsigned char *pixels, unsigned int *pixel)
static const unsigned char * PushShortPixel (const EndianType endian, const unsigned char *pixels, unsigned short *pixel)
static Quantum ScaleAnyToQuantum (const QuantumAny quantum, const QuantumAny range)
static QuantumAny ScaleQuantumToAny (const Quantum quantum, const QuantumAny range)
static unsigned short SinglePrecisionToHalf (const float value)

Define Documentation

#define ExponentBias   (127-15)

Referenced by HalfToSinglePrecision(), and SinglePrecisionToHalf().

#define ExponentMask   0x7c00

Referenced by SinglePrecisionToHalf().

#define ExponentShift   23

Referenced by HalfToSinglePrecision(), and SinglePrecisionToHalf().

#define SignBitShift   31

Referenced by HalfToSinglePrecision().

#define SignificandMask   0x00000400

Referenced by HalfToSinglePrecision().

#define SignificandShift   13

Referenced by HalfToSinglePrecision(), and SinglePrecisionToHalf().

Typedef Documentation

typedef struct _QuantumState QuantumState

Function Documentation

static MagickSizeType GetQuantumRange ( const size_t  depth) [inline, static]

Definition at line 91 of file quantum-private.h.

Referenced by GetImageDepth(), SetImageDepth(), QueryColorCompliance(), ExportAlphaQuantum(), ExportBGRQuantum(), ExportBGRAQuantum(), ExportBlackQuantum(), ExportBlueQuantum(), ExportCbYCrYQuantum(), ExportCMYKQuantum(), ExportCMYKAQuantum(), ExportGrayQuantum(), ExportGrayAlphaQuantum(), ExportGreenQuantum(), ExportIndexAlphaQuantum(), ExportOpacityQuantum(), ExportRedQuantum(), ExportRGBQuantum(), ExportRGBAQuantum(), ImportAlphaQuantum(), ImportBGRQuantum(), ImportBGRAQuantum(), ImportBlackQuantum(), ImportBlueQuantum(), ImportCbYCrYQuantum(), ImportCMYKQuantum(), ImportCMYKAQuantum(), ImportGrayQuantum(), ImportGrayAlphaQuantum(), ImportGreenQuantum(), ImportIndexAlphaQuantum(), ImportOpacityQuantum(), ImportRedQuantum(), ImportRGBQuantum(), ImportRGBAQuantum(), and GetImageStatistics().

static float HalfToSinglePrecision ( const unsigned short  half) [inline, static]

Definition at line 100 of file quantum-private.h.

References SignBitShift, SignificandMask, ExponentBias, ExponentShift, and SignificandShift.

Referenced by ImportAlphaQuantum(), ImportBGRQuantum(), ImportBGRAQuantum(), ImportBlackQuantum(), ImportBlueQuantum(), ImportCMYKQuantum(), ImportCMYKAQuantum(), ImportGrayQuantum(), ImportGrayAlphaQuantum(), ImportGreenQuantum(), ImportIndexQuantum(), ImportIndexAlphaQuantum(), ImportOpacityQuantum(), ImportRedQuantum(), ImportRGBQuantum(), and ImportRGBAQuantum().

static unsigned char* PopCharPixel ( const unsigned char  pixel,
unsigned char *  pixels 
) [inline, static]

Definition at line 175 of file quantum-private.h.

Referenced by ExportAlphaQuantum(), ExportBGRQuantum(), ExportBGRAQuantum(), ExportBlackQuantum(), ExportBlueQuantum(), ExportCMYKQuantum(), ExportCMYKAQuantum(), ExportGrayQuantum(), ExportGrayAlphaQuantum(), ExportGreenQuantum(), ExportIndexQuantum(), ExportIndexAlphaQuantum(), ExportOpacityQuantum(), ExportRedQuantum(), ExportRGBQuantum(), and ExportRGBAQuantum().

static unsigned char* PopLongPixel ( const EndianType  endian,
const unsigned int  pixel,
unsigned char *  pixels 
) [inline, static]

Definition at line 182 of file quantum-private.h.

References LSBEndian.

Referenced by PopQuantumLongPixel(), ExportAlphaQuantum(), ExportBGRQuantum(), ExportBGRAQuantum(), ExportBlackQuantum(), ExportBlueQuantum(), ExportCbYCrYQuantum(), ExportCMYKQuantum(), ExportCMYKAQuantum(), ExportGrayQuantum(), ExportGrayAlphaQuantum(), ExportGreenQuantum(), ExportIndexQuantum(), ExportIndexAlphaQuantum(), ExportOpacityQuantum(), ExportRedQuantum(), ExportRGBQuantum(), and ExportRGBAQuantum().

static unsigned char* PopShortPixel ( const EndianType  endian,
const unsigned short  pixel,
unsigned char *  pixels 
) [inline, static]

Definition at line 204 of file quantum-private.h.

References LSBEndian.

Referenced by ExportAlphaQuantum(), ExportBGRQuantum(), ExportBGRAQuantum(), ExportBlackQuantum(), ExportBlueQuantum(), ExportCMYKQuantum(), ExportCMYKAQuantum(), ExportGrayQuantum(), ExportGrayAlphaQuantum(), ExportGreenQuantum(), ExportIndexQuantum(), ExportIndexAlphaQuantum(), ExportOpacityQuantum(), ExportRedQuantum(), ExportRGBQuantum(), and ExportRGBAQuantum().

static const unsigned char* PushCharPixel ( const unsigned char *  pixels,
unsigned char *  pixel 
) [inline, static]

Definition at line 222 of file quantum-private.h.

Referenced by ImportAlphaQuantum(), ImportBGRQuantum(), ImportBGRAQuantum(), ImportBlackQuantum(), ImportBlueQuantum(), ImportCMYKQuantum(), ImportCMYKAQuantum(), ImportGrayQuantum(), ImportGrayAlphaQuantum(), ImportGreenQuantum(), ImportIndexQuantum(), ImportIndexAlphaQuantum(), ImportOpacityQuantum(), ImportRedQuantum(), ImportRGBQuantum(), and ImportRGBAQuantum().

static const unsigned char* PushLongPixel ( const EndianType  endian,
const unsigned char *  pixels,
unsigned int *  pixel 
) [inline, static]

Definition at line 229 of file quantum-private.h.

References LSBEndian.

Referenced by PushQuantumLongPixel(), ImportAlphaQuantum(), ImportBGRQuantum(), ImportBGRAQuantum(), ImportBlackQuantum(), ImportBlueQuantum(), ImportCbYCrYQuantum(), ImportCMYKQuantum(), ImportCMYKAQuantum(), ImportGrayQuantum(), ImportGrayAlphaQuantum(), ImportGreenQuantum(), ImportIndexQuantum(), ImportIndexAlphaQuantum(), ImportOpacityQuantum(), ImportRedQuantum(), ImportRGBQuantum(), and ImportRGBAQuantum().

static const unsigned char* PushShortPixel ( const EndianType  endian,
const unsigned char *  pixels,
unsigned short *  pixel 
) [inline, static]

Definition at line 253 of file quantum-private.h.

References LSBEndian.

Referenced by ImportAlphaQuantum(), ImportBGRQuantum(), ImportBGRAQuantum(), ImportBlackQuantum(), ImportBlueQuantum(), ImportCMYKQuantum(), ImportCMYKAQuantum(), ImportGrayQuantum(), ImportGrayAlphaQuantum(), ImportGreenQuantum(), ImportIndexQuantum(), ImportIndexAlphaQuantum(), ImportOpacityQuantum(), ImportRedQuantum(), ImportRGBQuantum(), and ImportRGBAQuantum().

MagickPrivate void ResetQuantumState ( QuantumInfo *  )

Definition at line 543 of file quantum.c.

References _QuantumInfo::signature, MagickSignature, _QuantumInfo::state, _QuantumState::inverse_scale, _QuantumInfo::scale, MagickEpsilon, _QuantumState::pixel, _QuantumState::bits, and _QuantumState::mask.

Referenced by ExportQuantumPixels(), ImportQuantumPixels(), and GetQuantumInfo().

static Quantum ScaleAnyToQuantum ( const QuantumAny  quantum,
const QuantumAny  range 
) [inline, static]

Definition at line 273 of file quantum-private.h.

References QuantumRange.

Referenced by GetImageDepth(), SetImageDepth(), QueryColorCompliance(), ImportAlphaQuantum(), ImportBGRQuantum(), ImportBGRAQuantum(), ImportBlackQuantum(), ImportBlueQuantum(), ImportCbYCrYQuantum(), ImportCMYKQuantum(), ImportCMYKAQuantum(), ImportGrayQuantum(), ImportGrayAlphaQuantum(), ImportGreenQuantum(), ImportIndexAlphaQuantum(), ImportOpacityQuantum(), ImportRedQuantum(), ImportRGBQuantum(), ImportRGBAQuantum(), and GetImageStatistics().

static QuantumAny ScaleQuantumToAny ( const Quantum  quantum,
const QuantumAny  range 
) [inline, static]

Definition at line 283 of file quantum-private.h.

References QuantumRange.

Referenced by GetImageDepth(), SetImageDepth(), ExportAlphaQuantum(), ExportBGRQuantum(), ExportBGRAQuantum(), ExportBlackQuantum(), ExportBlueQuantum(), ExportCbYCrYQuantum(), ExportCMYKQuantum(), ExportCMYKAQuantum(), ExportGrayQuantum(), ExportGrayAlphaQuantum(), ExportGreenQuantum(), ExportIndexAlphaQuantum(), ExportOpacityQuantum(), ExportRedQuantum(), ExportRGBQuantum(), ExportRGBAQuantum(), and GetImageStatistics().

static unsigned short SinglePrecisionToHalf ( const float  value) [inline, static]

Definition at line 632 of file quantum-private.h.

References ExponentShift, ExponentBias, ExponentMask, and SignificandShift.

Referenced by ExportAlphaQuantum(), ExportBGRQuantum(), ExportBGRAQuantum(), ExportBlackQuantum(), ExportBlueQuantum(), ExportCMYKQuantum(), ExportCMYKAQuantum(), ExportGrayQuantum(), ExportGrayAlphaQuantum(), ExportGreenQuantum(), ExportIndexQuantum(), ExportIndexAlphaQuantum(), ExportOpacityQuantum(), ExportRedQuantum(), ExportRGBQuantum(), and ExportRGBAQuantum().