quantum.c File Reference

#include "MagickCore/studio.h"
#include "MagickCore/attribute.h"
#include "MagickCore/blob.h"
#include "MagickCore/blob-private.h"
#include "MagickCore/color-private.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/list.h"
#include "MagickCore/magick.h"
#include "MagickCore/memory_.h"
#include "MagickCore/monitor.h"
#include "MagickCore/option.h"
#include "MagickCore/pixel.h"
#include "MagickCore/pixel-accessor.h"
#include "MagickCore/property.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/string-private.h"
#include "MagickCore/thread-private.h"
#include "MagickCore/utility.h"

Include dependency graph for quantum.c:

Go to the source code of this file.

Defines
#define	QuantumSignature   0xab
Functions
static void	DestroyQuantumPixels (QuantumInfo *)
static size_t	MagickMax (const size_t x, const size_t y)
MagickExport QuantumInfo *	AcquireQuantumInfo (const ImageInfo *image_info, Image *image)
static MagickBooleanType	AcquireQuantumPixels (QuantumInfo *quantum_info, const size_t extent)
MagickExport QuantumInfo *	DestroyQuantumInfo (QuantumInfo *quantum_info)
MagickExport size_t	GetQuantumExtent (const Image *image, const QuantumInfo *quantum_info, const QuantumType quantum_type)
MagickExport QuantumFormatType	GetQuantumFormat (const QuantumInfo *quantum_info)
MagickExport void	GetQuantumInfo (const ImageInfo *image_info, QuantumInfo *quantum_info)
MagickExport unsigned char *	GetQuantumPixels (const QuantumInfo *quantum_info)
MagickExport QuantumType	GetQuantumType (Image *image, ExceptionInfo *exception)
MagickPrivate void	ResetQuantumState (QuantumInfo *quantum_info)
MagickExport void	SetQuantumAlphaType (QuantumInfo *quantum_info, const QuantumAlphaType type)
MagickExport MagickBooleanType	SetQuantumDepth (const Image *image, QuantumInfo *quantum_info, const size_t depth)
MagickExport MagickBooleanType	SetQuantumFormat (const Image *image, QuantumInfo *quantum_info, const QuantumFormatType format)
MagickExport void	SetQuantumImageType (Image *image, const QuantumType quantum_type)
MagickExport void	SetQuantumPack (QuantumInfo *quantum_info, const MagickBooleanType pack)
MagickExport MagickBooleanType	SetQuantumPad (const Image *image, QuantumInfo *quantum_info, const size_t pad)
MagickExport void	SetQuantumMinIsWhite (QuantumInfo *quantum_info, const MagickBooleanType min_is_white)
MagickExport void	SetQuantumQuantum (QuantumInfo *quantum_info, const size_t quantum)
MagickExport void	SetQuantumScale (QuantumInfo *quantum_info, const double scale)

---

Define Documentation

#define QuantumSignature   0xab

Definition at line 74 of file quantum.c.

Referenced by AcquireQuantumPixels(), and DestroyQuantumPixels().

---

Function Documentation

MagickExport QuantumInfo* AcquireQuantumInfo	(	const ImageInfo *	image_info,
		Image *	image
	)

Definition at line 115 of file quantum.c.

References AcquireMagickMemory(), ThrowFatalException, ResourceLimitFatalError, _QuantumInfo::signature, MagickSignature, GetQuantumInfo(), SetQuantumDepth(), _Image::depth, MagickFalse, DestroyQuantumInfo(), _QuantumInfo::endian, and _Image::endian.

Referenced by StreamImage().

static MagickBooleanType AcquireQuantumPixels	(	QuantumInfo *	quantum_info,
		const size_t	extent
	)		[static]

Definition at line 163 of file quantum.c.

References _QuantumInfo::signature, MagickSignature, _QuantumInfo::number_threads, GetOpenMPMaximumThreads(), _QuantumInfo::pixels, AcquireQuantumMemory(), MagickFalse, _QuantumInfo::extent, ResetMagickMemory(), QuantumSignature, and MagickTrue.

Referenced by SetQuantumDepth().

MagickExport QuantumInfo* DestroyQuantumInfo

(

QuantumInfo *

quantum_info

)

Definition at line 215 of file quantum.c.

References _QuantumInfo::signature, MagickSignature, _QuantumInfo::pixels, DestroyQuantumPixels(), _QuantumInfo::semaphore, DestroySemaphoreInfo(), and RelinquishMagickMemory().

Referenced by AcquireQuantumInfo(), and DestroyStreamInfo().

static void DestroyQuantumPixels

(

QuantumInfo *

quantum_info

)

[static]

Definition at line 250 of file quantum.c.

References _QuantumInfo::signature, MagickSignature, _QuantumInfo::pixels, _QuantumInfo::extent, _QuantumInfo::number_threads, QuantumSignature, and RelinquishMagickMemory().

Referenced by DestroyQuantumInfo(), and SetQuantumDepth().

MagickExport size_t GetQuantumExtent	(	const Image *	image,
		const QuantumInfo *	quantum_info,
		const QuantumType	quantum_type
	)

Definition at line 304 of file quantum.c.

References _QuantumInfo::signature, MagickSignature, GrayAlphaQuantum, IndexAlphaQuantum, RGBQuantum, BGRQuantum, RGBAQuantum, RGBOQuantum, BGRAQuantum, CMYKQuantum, CMYKAQuantum, _QuantumInfo::pack, MagickFalse, _Image::columns, and _QuantumInfo::depth.

Referenced by ExportQuantumPixels(), and ImportQuantumPixels().

MagickExport QuantumFormatType GetQuantumFormat

(

const QuantumInfo *

quantum_info

)

Definition at line 353 of file quantum.c.

References _QuantumInfo::signature, MagickSignature, and _QuantumInfo::format.

MagickExport void GetQuantumInfo	(	const ImageInfo *	image_info,
		QuantumInfo *	quantum_info
	)

Definition at line 384 of file quantum.c.

References ResetMagickMemory(), _QuantumInfo::quantum, _QuantumInfo::maximum, _QuantumInfo::scale, QuantumRange, _QuantumInfo::pack, MagickTrue, _QuantumInfo::semaphore, AllocateSemaphoreInfo(), _QuantumInfo::signature, MagickSignature, GetImageOption(), _QuantumInfo::format, ParseCommandOption(), MagickQuantumFormatOptions, MagickFalse, _QuantumInfo::minimum, StringToDouble(), _QuantumInfo::min_is_white, LocaleCompare(), _QuantumInfo::endian, _ImageInfo::endian, and ResetQuantumState().

Referenced by AcquireQuantumInfo().

MagickExport unsigned char* GetQuantumPixels

(

const QuantumInfo *

quantum_info

)

Definition at line 455 of file quantum.c.

References GetOpenMPThreadId(), _QuantumInfo::signature, MagickSignature, and _QuantumInfo::pixels.

Referenced by ExportQuantumPixels(), and ImportQuantumPixels().

MagickExport QuantumType GetQuantumType	(	Image *	image,
		ExceptionInfo *	exception
	)

Definition at line 487 of file quantum.c.

References _Image::signature, MagickSignature, _Image::debug, MagickFalse, LogMagickEvent(), TraceEvent, GetMagickModule, _Image::filename, RGBQuantum, _Image::matte, RGBAQuantum, _Image::colorspace, CMYKColorspace, CMYKQuantum, CMYKAQuantum, IsImageGray(), GrayQuantum, GrayAlphaQuantum, _Image::storage_class, PseudoClass, IndexQuantum, and IndexAlphaQuantum.

static size_t MagickMax	(	const size_t	x,
		const size_t	y
	)		[inline, static]

Definition at line 107 of file quantum.c.

MagickPrivate void ResetQuantumState

(

QuantumInfo *

quantum_info

)

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().

MagickExport void SetQuantumAlphaType	(	QuantumInfo *	quantum_info,
		const QuantumAlphaType	type
	)

Definition at line 591 of file quantum.c.

References _QuantumInfo::signature, MagickSignature, and _QuantumInfo::alpha_type.

MagickExport MagickBooleanType SetQuantumDepth	(	const Image *	image,
		QuantumInfo *	quantum_info,
		const size_t	depth
	)

Definition at line 626 of file quantum.c.

References _Image::signature, MagickSignature, _Image::debug, MagickFalse, LogMagickEvent(), TraceEvent, GetMagickModule, _Image::filename, _QuantumInfo::signature, _QuantumInfo::depth, _QuantumInfo::format, FloatingPointQuantumFormat, _QuantumInfo::pixels, DestroyQuantumPixels(), AcquireQuantumPixels(), _QuantumInfo::pad, and _Image::columns.

Referenced by AcquireQuantumInfo(), SetQuantumFormat(), and SetQuantumPad().

MagickExport MagickBooleanType SetQuantumFormat	(	const Image *	image,
		QuantumInfo *	quantum_info,
		const QuantumFormatType	format
	)

Definition at line 686 of file quantum.c.

References _Image::signature, MagickSignature, _Image::debug, MagickFalse, LogMagickEvent(), TraceEvent, GetMagickModule, _Image::filename, _QuantumInfo::signature, _QuantumInfo::format, SetQuantumDepth(), and _QuantumInfo::depth.

MagickExport void SetQuantumImageType	(	Image *	image,
		const QuantumType	quantum_type
	)

Definition at line 725 of file quantum.c.

References _Image::signature, MagickSignature, _Image::debug, MagickFalse, LogMagickEvent(), TraceEvent, GetMagickModule, _Image::filename, IndexQuantum, IndexAlphaQuantum, _Image::type, PaletteType, GrayQuantum, GrayAlphaQuantum, GrayscaleType, _Image::depth, BilevelType, CyanQuantum, MagentaQuantum, YellowQuantum, BlackQuantum, CMYKQuantum, CMYKAQuantum, ColorSeparationType, and TrueColorType.

MagickExport void SetQuantumMinIsWhite	(	QuantumInfo *	quantum_info,
		const MagickBooleanType	min_is_white
	)

Definition at line 865 of file quantum.c.

References _QuantumInfo::signature, MagickSignature, and _QuantumInfo::min_is_white.

MagickExport void SetQuantumPack	(	QuantumInfo *	quantum_info,
		const MagickBooleanType	pack
	)

Definition at line 791 of file quantum.c.

References _QuantumInfo::signature, MagickSignature, and _QuantumInfo::pack.

MagickExport MagickBooleanType SetQuantumPad	(	const Image *	image,
		QuantumInfo *	quantum_info,
		const size_t	pad
	)

Definition at line 827 of file quantum.c.

References _Image::signature, MagickSignature, _Image::debug, MagickFalse, LogMagickEvent(), TraceEvent, GetMagickModule, _Image::filename, _QuantumInfo::signature, _QuantumInfo::pad, SetQuantumDepth(), and _QuantumInfo::depth.

MagickExport void SetQuantumQuantum	(	QuantumInfo *	quantum_info,
		const size_t	quantum
	)

Definition at line 898 of file quantum.c.

References _QuantumInfo::signature, MagickSignature, and _QuantumInfo::quantum.

MagickExport void SetQuantumScale	(	QuantumInfo *	quantum_info,
		const double	scale
	)

Definition at line 930 of file quantum.c.

References _QuantumInfo::signature, MagickSignature, and _QuantumInfo::scale.