quantum-private.h File Reference

#include "MagickCore/memory_.h"
#include "MagickCore/cache.h"
#include "MagickCore/image-private.h"
#include "MagickCore/pixel-accessor.h"

Include dependency graph for quantum-private.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
struct	_QuantumState
struct	_QuantumInfo

Macros
#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 *magick_restrict pixels)
static unsigned char *	PopLongPixel (const EndianType endian, const unsigned int pixel, unsigned char *magick_restrict pixels)
static unsigned char *	PopShortPixel (const EndianType endian, const unsigned short pixel, unsigned char *magick_restrict pixels)
static const unsigned char *	PushCharPixel (const unsigned char *magick_restrict pixels, unsigned char *magick_restrict pixel)
static const unsigned char *	PushLongPixel (const EndianType endian, const unsigned char *magick_restrict pixels, unsigned int *magick_restrict pixel)
static const unsigned char *	PushShortPixel (const EndianType endian, const unsigned char *magick_restrict pixels, unsigned short *magick_restrict pixel)
static const unsigned char *	PushFloatPixel (const EndianType endian, const unsigned char *magick_restrict pixels, MagickFloatType *magick_restrict 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)

Macro Definition Documentation

ExponentBias

#define ExponentBias   (127-15)

ExponentMask

#define ExponentMask   0x7c00

ExponentShift

#define ExponentShift   23

SignBitShift

#define SignBitShift   31

SignificandMask

#define SignificandMask   0x00000400

SignificandShift

#define SignificandShift   13

Typedef Documentation

QuantumState

typedef struct _QuantumState QuantumState

Function Documentation

GetQuantumRange()

static MagickSizeType GetQuantumRange ( const size_t  depth )

inlinestatic

Definition at line 94 of file quantum-private.h.

References MagickMin.

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

HalfToSinglePrecision()

static float HalfToSinglePrecision ( const unsigned short  half )

inlinestatic

Definition at line 110 of file quantum-private.h.

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

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

PopCharPixel()

static unsigned char * PopCharPixel ( const unsigned char  pixel, unsigned char *magick_restrict  pixels  )

inlinestatic

Definition at line 185 of file quantum-private.h.

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

PopLongPixel()

static unsigned char * PopLongPixel ( const EndianType  endian, const unsigned int  pixel, unsigned char *magick_restrict  pixels  )

inlinestatic

Definition at line 192 of file quantum-private.h.

References LSBEndian.

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

PopShortPixel()

static unsigned char * PopShortPixel ( const EndianType  endian, const unsigned short  pixel, unsigned char *magick_restrict  pixels  )

inlinestatic

Definition at line 214 of file quantum-private.h.

References LSBEndian.

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

PushCharPixel()

static const unsigned char * PushCharPixel ( const unsigned char *magick_restrict  pixels, unsigned char *magick_restrict  pixel  )

inlinestatic

Definition at line 232 of file quantum-private.h.

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

PushFloatPixel()

static const unsigned char * PushFloatPixel ( const EndianType  endian, const unsigned char *magick_restrict  pixels, MagickFloatType *magick_restrict  pixel  )

inlinestatic

Definition at line 284 of file quantum-private.h.

References LSBEndian.

PushLongPixel()

static const unsigned char * PushLongPixel ( const EndianType  endian, const unsigned char *magick_restrict  pixels, unsigned int *magick_restrict  pixel  )

inlinestatic

Definition at line 240 of file quantum-private.h.

References LSBEndian.

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

PushShortPixel()

static const unsigned char * PushShortPixel ( const EndianType  endian, const unsigned char *magick_restrict  pixels, unsigned short *magick_restrict  pixel  )

inlinestatic

Definition at line 264 of file quantum-private.h.

References LSBEndian.

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

ResetQuantumState()

MagickPrivate void ResetQuantumState

(

QuantumInfo *

quantum_info

)

Definition at line 582 of file quantum.c.

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

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

ScaleAnyToQuantum()

static Quantum ScaleAnyToQuantum ( const QuantumAny  quantum, const QuantumAny  range  )

inlinestatic

Definition at line 314 of file quantum-private.h.

References PerceptibleReciprocal(), and QuantumRange.

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

ScaleQuantumToAny()

static QuantumAny ScaleQuantumToAny ( const Quantum  quantum, const QuantumAny  range  )

inlinestatic

Definition at line 328 of file quantum-private.h.

References IsNaN, MagickULLConstant, and QuantumRange.

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

SinglePrecisionToHalf()

static unsigned short SinglePrecisionToHalf ( const float  value )

inlinestatic

Definition at line 702 of file quantum-private.h.

References ExponentBias, ExponentMask, ExponentShift, and SignificandShift.

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