#include "magick/studio.h"
#include "magick/blob.h"
#include "magick/blob-private.h"
#include "magick/cache.h"
#include "magick/cache-private.h"
#include "magick/color-private.h"
#include "magick/composite-private.h"
#include "magick/exception.h"
#include "magick/exception-private.h"
#include "magick/geometry.h"
#include "magick/list.h"
#include "magick/log.h"
#include "magick/magick.h"
#include "magick/memory_.h"
#include "magick/pixel.h"
#include "magick/pixel-private.h"
#include "magick/policy.h"
#include "magick/quantum.h"
#include "magick/random_.h"
#include "magick/resource_.h"
#include "magick/semaphore.h"
#include "magick/splay-tree.h"
#include "magick/string_.h"
#include "magick/string-private.h"
#include "magick/thread-private.h"
#include "magick/utility.h"

Include dependency graph for cache.c:

Data Structures
struct	_MagickModulo
struct	_NexusInfo
Defines
#define	CacheTick(offset, extent) QuantumTick((MagickOffsetType) offset,extent)
Typedefs
typedef struct _MagickModulo	MagickModulo
Functions
static const IndexPacket *	GetVirtualIndexesFromCache (const Image *)
static const PixelPacket *	GetVirtualPixelCache (const Image , const VirtualPixelMethod, const ssize_t, const ssize_t, const size_t, const size_t, ExceptionInfo )
static const PixelPacket **	GetVirtualPixelsCache (const Image *)
static MagickBooleanType	GetOneAuthenticPixelFromCache (Image , const ssize_t, const ssize_t, PixelPacket , ExceptionInfo *)
static MagickBooleanType	GetOneVirtualPixelFromCache (const Image , const VirtualPixelMethod, const ssize_t, const ssize_t, PixelPacket , ExceptionInfo *)
static MagickBooleanType	OpenPixelCache (Image , const MapMode, ExceptionInfo )
static MagickBooleanType	ReadPixelCacheIndexes (CacheInfo , NexusInfo , ExceptionInfo *)
static MagickBooleanType	ReadPixelCachePixels (CacheInfo , NexusInfo , ExceptionInfo *)
static MagickBooleanType	SyncAuthenticPixelsCache (Image , ExceptionInfo )
static MagickBooleanType	WritePixelCacheIndexes (CacheInfo , NexusInfo , ExceptionInfo *)
static MagickBooleanType	WritePixelCachePixels (CacheInfo , NexusInfo , ExceptionInfo *)
static PixelPacket *	GetAuthenticPixelsCache (Image , const ssize_t, const ssize_t, const size_t, const size_t, ExceptionInfo )
static PixelPacket **	QueueAuthenticPixelsCache (Image , const ssize_t, const ssize_t, const size_t, const size_t, ExceptionInfo )
static PixelPacket ***	SetPixelCacheNexusPixels (const Image , const RectangleInfo , NexusInfo , ExceptionInfo )
MagickExport Cache	AcquirePixelCache (const size_t number_threads)
MagickExport NexusInfo **	AcquirePixelCacheNexus (const size_t number_threads)
MagickExport const void *	AcquirePixelCachePixels (const Image image, MagickSizeType length, ExceptionInfo *exception)
MagickExport MagickBooleanType	CacheComponentGenesis (void)
MagickExport void	CacheComponentTerminus (void)
static MagickBooleanType	ClipPixelCacheNexus (Image image, NexusInfo nexus_info, ExceptionInfo *exception)
MagickExport Cache	ClonePixelCache (const Cache cache)
static MagickBooleanType	AcquireCacheNexusPixels (CacheInfo cache_info, NexusInfo nexus_info, ExceptionInfo *exception)
static MagickBooleanType	ClonePixelCacheNexus (CacheInfo destination, CacheInfo source, ExceptionInfo *exception)
static MagickBooleanType	ClosePixelCacheOnDisk (CacheInfo *cache_info)
static void	LimitPixelCacheDescriptors (void)
static MagickSizeType	MagickMax (const MagickSizeType x, const MagickSizeType y)
static MagickSizeType	MagickMin (const MagickSizeType x, const MagickSizeType y)
static MagickBooleanType	OpenPixelCacheOnDisk (CacheInfo *cache_info, const MapMode mode)
static MagickOffsetType	ReadPixelCacheRegion (CacheInfo cache_info, const MagickOffsetType offset, const MagickSizeType length, unsigned char restrict buffer)
static MagickOffsetType	WritePixelCacheRegion (CacheInfo cache_info, const MagickOffsetType offset, const MagickSizeType length, const unsigned char restrict buffer)
static MagickBooleanType	CloneDiskToDiskPixelCache (CacheInfo clone_info, CacheInfo cache_info, ExceptionInfo *exception)
static MagickBooleanType	CloneDiskToMemoryPixelCache (CacheInfo clone_info, CacheInfo cache_info, ExceptionInfo *exception)
static MagickBooleanType	CloneMemoryToDiskPixelCache (CacheInfo clone_info, CacheInfo cache_info, ExceptionInfo *exception)
static MagickBooleanType	CloneMemoryToMemoryPixelCache (CacheInfo clone_info, CacheInfo cache_info, ExceptionInfo *magick_unused(exception))
static MagickBooleanType	ClonePixelCachePixels (CacheInfo clone_info, CacheInfo cache_info, ExceptionInfo *exception)
MagickExport void	ClonePixelCacheMethods (Cache clone, const Cache cache)
static void	DestroyImagePixelCache (Image *image)
MagickExport void	DestroyImagePixels (Image *image)
static void	RelinquishPixelCachePixels (CacheInfo *cache_info)
MagickExport Cache	DestroyPixelCache (Cache cache)
static void	RelinquishCacheNexusPixels (NexusInfo *nexus_info)
MagickExport NexusInfo **	DestroyPixelCacheNexus (NexusInfo **nexus_info, const size_t number_threads)
static IndexPacket *	GetAuthenticIndexesFromCache (const Image *image)
MagickExport IndexPacket *	GetAuthenticIndexQueue (const Image *image)
static MagickBooleanType	IsNexusInCore (const CacheInfo cache_info, NexusInfo nexus_info)
MagickExport PixelPacket *	GetAuthenticPixelCacheNexus (Image image, const ssize_t x, const ssize_t y, const size_t columns, const size_t rows, NexusInfo nexus_info, ExceptionInfo *exception)
static PixelPacket *	GetAuthenticPixelsFromCache (const Image *image)
MagickExport PixelPacket *	GetAuthenticPixelQueue (const Image *image)
MagickExport PixelPacket *	GetAuthenticPixels (Image image, const ssize_t x, const ssize_t y, const size_t columns, const size_t rows, ExceptionInfo exception)
MagickExport MagickSizeType	GetImageExtent (const Image *image)
static MagickBooleanType	ValidatePixelCacheMorphology (const Image *image)
MagickExport Cache	GetImagePixelCache (Image image, const MagickBooleanType clone, ExceptionInfo exception)
MagickExport MagickBooleanType	GetOneAuthenticPixel (Image image, const ssize_t x, const ssize_t y, PixelPacket pixel, ExceptionInfo *exception)
MagickExport MagickBooleanType	GetOneVirtualMagickPixel (const Image image, const ssize_t x, const ssize_t y, MagickPixelPacket pixel, ExceptionInfo *exception)
MagickExport MagickBooleanType	GetOneVirtualMethodPixel (const Image image, const VirtualPixelMethod virtual_pixel_method, const ssize_t x, const ssize_t y, PixelPacket pixel, ExceptionInfo *exception)
MagickExport MagickBooleanType	GetOneVirtualPixel (const Image image, const ssize_t x, const ssize_t y, PixelPacket pixel, ExceptionInfo *exception)
MagickExport ColorspaceType	GetPixelCacheColorspace (const Cache cache)
MagickExport void	GetPixelCacheMethods (CacheMethods *cache_methods)
MagickExport MagickSizeType	GetPixelCacheNexusExtent (const Cache cache, NexusInfo *nexus_info)
MagickExport IndexPacket *	GetPixelCacheNexusIndexes (const Cache cache, NexusInfo *nexus_info)
MagickExport PixelPacket *	GetPixelCacheNexusPixels (const Cache cache, NexusInfo *nexus_info)
MagickExport void *	GetPixelCachePixels (Image image, MagickSizeType length, ExceptionInfo *exception)
MagickExport ClassType	GetPixelCacheStorageClass (const Cache cache)
MagickExport void	GetPixelCacheTileSize (const Image image, size_t width, size_t *height)
MagickExport CacheType	GetPixelCacheType (const Image *image)
MagickExport VirtualPixelMethod	GetPixelCacheVirtualMethod (const Image *image)
MagickExport const IndexPacket *	GetVirtualIndexesFromNexus (const Cache cache, NexusInfo *nexus_info)
MagickExport const IndexPacket *	GetVirtualIndexQueue (const Image *image)
static ssize_t	DitherX (const ssize_t x, const size_t columns)
static ssize_t	DitherY (const ssize_t y, const size_t rows)
static ssize_t	EdgeX (const ssize_t x, const size_t columns)
static ssize_t	EdgeY (const ssize_t y, const size_t rows)
static ssize_t	RandomX (RandomInfo *random_info, const size_t columns)
static ssize_t	RandomY (RandomInfo *random_info, const size_t rows)
static MagickModulo	VirtualPixelModulo (const ssize_t offset, const size_t extent)
MagickExport const PixelPacket *	GetVirtualPixelsFromNexus (const Image image, const VirtualPixelMethod virtual_pixel_method, const ssize_t x, const ssize_t y, const size_t columns, const size_t rows, NexusInfo nexus_info, ExceptionInfo *exception)
MagickExport const PixelPacket *	GetVirtualPixelQueue (const Image *image)
MagickExport const PixelPacket *	GetVirtualPixels (const Image image, const ssize_t x, const ssize_t y, const size_t columns, const size_t rows, ExceptionInfo exception)
MagickExport const PixelPacket *	GetVirtualPixelsNexus (const Cache cache, NexusInfo *nexus_info)
static void	MagickPixelCompositeMask (const MagickPixelPacket p, const MagickRealType alpha, const MagickPixelPacket q, const MagickRealType beta, MagickPixelPacket *composite)
static MagickBooleanType	MaskPixelCacheNexus (Image image, NexusInfo nexus_info, ExceptionInfo *exception)
static void	AllocatePixelCachePixels (CacheInfo *cache_info)
static MagickBooleanType	ExtendCache (Image *image, MagickSizeType length)
MagickExport MagickBooleanType	PersistPixelCache (Image image, const char filename, const MagickBooleanType attach, MagickOffsetType offset, ExceptionInfo exception)
MagickExport PixelPacket *	QueueAuthenticNexus (Image image, const ssize_t x, const ssize_t y, const size_t columns, const size_t rows, NexusInfo nexus_info, ExceptionInfo *exception)
MagickExport PixelPacket *	QueueAuthenticPixels (Image image, const ssize_t x, const ssize_t y, const size_t columns, const size_t rows, ExceptionInfo exception)
MagickExport Cache	ReferencePixelCache (Cache cache)
MagickExport void	SetPixelCacheMethods (Cache cache, CacheMethods *cache_methods)
MagickExport VirtualPixelMethod	SetPixelCacheVirtualMethod (const Image *image, const VirtualPixelMethod virtual_pixel_method)
MagickExport MagickBooleanType	SyncAuthenticPixelCacheNexus (Image image, NexusInfo nexus_info, ExceptionInfo *exception)
MagickExport MagickBooleanType	SyncAuthenticPixels (Image image, ExceptionInfo exception)
Variables
static volatile MagickBooleanType	instantiate_cache = MagickFalse
static SemaphoreInfo *	cache_semaphore = (SemaphoreInfo *) NULL
static SplayTreeInfo *	cache_resources = (SplayTreeInfo *) NULL
static ssize_t	DitherMatrix [64]

Define Documentation

#define CacheTick	(	offset,
		extent
	)		QuantumTick((MagickOffsetType) offset,extent)

Definition at line 76 of file cache.c.

Referenced by ReadPixelCacheIndexes(), ReadPixelCachePixels(), WritePixelCacheIndexes(), and WritePixelCachePixels().

Typedef Documentation

typedef struct _MagickModulo MagickModulo

Function Documentation

static MagickBooleanType AcquireCacheNexusPixels	(	CacheInfo *	cache_info,
		NexusInfo *	nexus_info,
		ExceptionInfo *	exception
	)			`[inline, static]`

Definition at line 553 of file cache.c.

References AcquireMagickMemory(), _NexusInfo::cache, _CacheInfo::filename, GetMagickModule, IOMode, _NexusInfo::length, MagickFalse, MagickTrue, MapBlob(), _NexusInfo::mapped, and ThrowMagickException().

Referenced by ClonePixelCacheNexus(), and SetPixelCacheNexusPixels().

MagickExport Cache AcquirePixelCache ( const size_t number_threads )

MagickExport NexusInfo** AcquirePixelCacheNexus ( const size_t number_threads )

Definition at line 250 of file cache.c.

References AcquireAlignedMemory(), ResetMagickMemory(), ResourceLimitFatalError, _NexusInfo::signature, and ThrowFatalException.

MagickExport const void* AcquirePixelCachePixels	(	const Image *	image,
		MagickSizeType *	length,
		ExceptionInfo *	exception
	)

Definition at line 301 of file cache.c.

References _Image::cache, _CacheInfo::length, MagickSignature, MemoryCache, _CacheInfo::pixels, _CacheInfo::signature, _ExceptionInfo::signature, _Image::signature, and _CacheInfo::type.

Referenced by AccelerateConvolveImage().

static void AllocatePixelCachePixels ( CacheInfo * cache_info ) [inline, static]

Definition at line 3990 of file cache.c.

References AcquireMagickMemory(), IOMode, _CacheInfo::length, MapBlob(), _CacheInfo::mapped, and _CacheInfo::pixels.

Referenced by OpenPixelCache().

MagickExport MagickBooleanType CacheComponentGenesis ( void )

Definition at line 339 of file cache.c.

References AcquireSemaphoreInfo(), cache_semaphore, and MagickTrue.

Referenced by MagickCoreGenesis().

MagickExport void CacheComponentTerminus ( void )

Definition at line 363 of file cache.c.

References AcquireSemaphoreInfo(), cache_resources, cache_semaphore, DestroySemaphoreInfo(), DestroySplayTree(), instantiate_cache, LockSemaphoreInfo(), and UnlockSemaphoreInfo().

Referenced by MagickCoreTerminus().

static MagickBooleanType ClipPixelCacheNexus	(	Image *	image,
		NexusInfo *	nexus_info,
		ExceptionInfo *	exception
	)			`[static]`

Definition at line 404 of file cache.c.

References AcquirePixelCacheNexus(), _CacheInfo::active_index_channel, _Image::cache, CacheError, _Image::clip_mask, _Image::debug, DestroyPixelCacheNexus(), _Image::filename, GetAuthenticPixelCacheNexus(), GetBluePixelComponent, GetGreenPixelComponent, GetImagePixelCache(), GetMagickModule, GetOpacityPixelComponent, GetPixelCacheNexusIndexes(), GetRedPixelComponent, GetVirtualPixelsFromNexus(), _RectangleInfo::height, _NexusInfo::indexes, LogMagickEvent(), MagickFalse, MagickTrue, MaskVirtualPixelMethod, PixelIntensityToQuantum(), _NexusInfo::pixels, QuantumRange, _NexusInfo::region, restrict, SetBluePixelComponent, SetGreenPixelComponent, SetOpacityPixelComponent, SetRedPixelComponent, ThrowBinaryException, TraceEvent, _RectangleInfo::width, _RectangleInfo::x, and _RectangleInfo::y.

Referenced by SyncAuthenticPixelCacheNexus().

static MagickBooleanType CloneDiskToDiskPixelCache	(	CacheInfo *	clone_info,
		CacheInfo *	cache_info,
		ExceptionInfo *	exception
	)			`[static]`

static MagickBooleanType CloneDiskToMemoryPixelCache	(	CacheInfo *	clone_info,
		CacheInfo *	cache_info,
		ExceptionInfo *	exception
	)			`[static]`

static MagickBooleanType CloneMemoryToDiskPixelCache	(	CacheInfo *	clone_info,
		CacheInfo *	cache_info,
		ExceptionInfo *	exception
	)			`[static]`

static MagickBooleanType CloneMemoryToMemoryPixelCache	(	CacheInfo *	clone_info,
		CacheInfo *	cache_info,
		ExceptionInfo *	magick_unusedexception
	)			`[static]`

Definition at line 1301 of file cache.c.

References _CacheInfo::active_index_channel, CacheEvent, _CacheInfo::columns, CopyMagickMemory(), _CacheInfo::debug, GetMagickModule, _CacheInfo::indexes, LogMagickEvent(), MagickFalse, MagickMin(), MagickTrue, _CacheInfo::pixels, ResetMagickMemory(), restrict, and _CacheInfo::rows.

Referenced by ClonePixelCachePixels().

MagickExport Cache ClonePixelCache ( const Cache cache )

Definition at line 503 of file cache.c.

References AcquirePixelCache(), _CacheInfo::debug, _CacheInfo::filename, GetMagickModule, LogMagickEvent(), MagickFalse, MagickSignature, _CacheInfo::number_threads, _CacheInfo::signature, TraceEvent, and _CacheInfo::virtual_pixel_method.

MagickExport void ClonePixelCacheMethods	(	Cache	clone,
		const Cache	cache
	)

Definition at line 1426 of file cache.c.

References _CacheInfo::debug, _CacheInfo::filename, GetMagickModule, LogMagickEvent(), MagickFalse, MagickSignature, _CacheInfo::methods, _CacheInfo::signature, and TraceEvent.

static MagickBooleanType ClonePixelCacheNexus	(	CacheInfo *	destination,
		CacheInfo *	source,
		ExceptionInfo *	exception
	)			`[static]`

Definition at line 577 of file cache.c.

References AcquireCacheNexusPixels(), _NexusInfo::cache, CopyMagickMemory(), _RectangleInfo::height, _NexusInfo::indexes, _NexusInfo::length, MagickFalse, _NexusInfo::mapped, _CacheInfo::nexus_info, _CacheInfo::number_threads, _NexusInfo::pixels, _NexusInfo::region, and _RectangleInfo::width.

Referenced by GetImagePixelCache(), and PersistPixelCache().

static MagickBooleanType ClonePixelCachePixels	(	CacheInfo *	clone_info,
		CacheInfo *	cache_info,
		ExceptionInfo *	exception
	)			`[static]`

Definition at line 1389 of file cache.c.

References CloneDiskToDiskPixelCache(), CloneDiskToMemoryPixelCache(), CloneMemoryToDiskPixelCache(), CloneMemoryToMemoryPixelCache(), DiskCache, and _CacheInfo::type.

Referenced by GetImagePixelCache(), OpenPixelCache(), and PersistPixelCache().

static MagickBooleanType ClosePixelCacheOnDisk ( CacheInfo * cache_info ) [static]

Definition at line 651 of file cache.c.

References close, _CacheInfo::disk_semaphore, _CacheInfo::file, FileResource, LockSemaphoreInfo(), MagickFalse, MagickTrue, RelinquishMagickResource(), and UnlockSemaphoreInfo().

Referenced by OpenPixelCache(), and RelinquishPixelCachePixels().

static void DestroyImagePixelCache ( Image * image ) [static]

Definition at line 1466 of file cache.c.

References _Image::cache, _Image::debug, DestroyPixelCache(), _Image::filename, GetMagickModule, LogMagickEvent(), MagickFalse, MagickSignature, _Image::signature, and TraceEvent.

MagickExport void DestroyImagePixels ( Image * image )

Definition at line 1499 of file cache.c.

References _Image::cache, _Image::debug, _CacheMethods::destroy_pixel_handler, _Image::filename, GetMagickModule, LogMagickEvent(), MagickFalse, MagickSignature, _CacheInfo::methods, _CacheInfo::signature, _Image::signature, and TraceEvent.

Referenced by DestroyImage().

MagickExport Cache DestroyPixelCache ( Cache cache )

MagickExport NexusInfo** DestroyPixelCacheNexus	(	NexusInfo **	nexus_info,
		const size_t	number_threads
	)

Definition at line 1668 of file cache.c.

References RelinquishAlignedMemory(), RelinquishCacheNexusPixels(), and _NexusInfo::signature.

Referenced by ClipPixelCacheNexus(), DestroyCacheView(), DestroyPixelCache(), DestroyPixelStream(), GetVirtualPixelsFromNexus(), and MaskPixelCacheNexus().

static ssize_t DitherX	(	const ssize_t	x,
		const size_t	columns
	)			`[inline, static]`

Definition at line 3170 of file cache.c.

References DitherMatrix.

Referenced by GetVirtualPixelsFromNexus().

static ssize_t DitherY	(	const ssize_t	y,
		const size_t	rows
	)			`[inline, static]`

Definition at line 3183 of file cache.c.

References DitherMatrix.

Referenced by GetVirtualPixelsFromNexus().

static ssize_t EdgeX	(	const ssize_t	x,
		const size_t	columns
	)			`[inline, static]`

Definition at line 3196 of file cache.c.

Referenced by GetVirtualPixelsFromNexus().

static ssize_t EdgeY	(	const ssize_t	y,
		const size_t	rows
	)			`[inline, static]`

Definition at line 3205 of file cache.c.

Referenced by GetVirtualPixelsFromNexus().

static MagickBooleanType ExtendCache	(	Image *	image,
		MagickSizeType	length
	)			`[static]`

Definition at line 4003 of file cache.c.

References _Image::cache, _CacheInfo::cache_filename, CacheEvent, _Image::debug, _CacheInfo::file, _CacheInfo::filename, FormatMagickSize(), FormatMagickString(), GetMagickModule, LogMagickEvent(), MagickFalse, MagickSeek, MagickTrue, MaxTextExtent, and WritePixelCacheRegion().

Referenced by OpenPixelCache().

static IndexPacket* GetAuthenticIndexesFromCache ( const Image * image ) [static]

Definition at line 1709 of file cache.c.

References _Image::cache, GetOpenMPThreadId(), GetPixelCacheNexusIndexes(), _CacheInfo::nexus_info, and _CacheInfo::number_threads.

MagickExport IndexPacket* GetAuthenticIndexQueue ( const Image * image )

MagickExport PixelPacket* GetAuthenticPixelCacheNexus	(	Image *	image,
		const ssize_t	x,
		const ssize_t	y,
		const size_t	columns,
		const size_t	rows,
		NexusInfo *	nexus_info,
		ExceptionInfo *	exception
	)

Definition at line 1818 of file cache.c.

References _CacheInfo::active_index_channel, _Image::cache, IsNexusInCore(), MagickFalse, MagickSignature, QueueAuthenticNexus(), ReadPixelCacheIndexes(), ReadPixelCachePixels(), _CacheInfo::signature, and _Image::signature.

MagickExport PixelPacket* GetAuthenticPixelQueue ( const Image * image )

Definition at line 1912 of file cache.c.

References _Image::cache, _CacheMethods::get_authentic_pixels_from_handler, MagickSignature, _CacheInfo::methods, _CacheInfo::signature, and _Image::signature.

Referenced by ExportQuantumPixels(), GetPixels(), ImportQuantumPixels(), and StreamImagePixels().

MagickExport PixelPacket* GetAuthenticPixels	(	Image *	image,
		const ssize_t	x,
		const ssize_t	y,
		const size_t	columns,
		const size_t	rows,
		ExceptionInfo *	exception
	)

static PixelPacket * GetAuthenticPixelsCache	(	Image *	image,
		const ssize_t	x,
		const ssize_t	y,
		const size_t	columns,
		const size_t	rows,
		ExceptionInfo *	exception
	)			`[static]`

Definition at line 2028 of file cache.c.

References GetAuthenticPixelCacheNexus(), GetImagePixelCache(), GetOpenMPThreadId(), MagickTrue, _CacheInfo::nexus_info, and _CacheInfo::number_threads.

Referenced by GetOneAuthenticPixelFromCache().

static PixelPacket* GetAuthenticPixelsFromCache ( const Image * image ) [static]

Definition at line 1871 of file cache.c.

References _Image::cache, GetOpenMPThreadId(), GetPixelCacheNexusPixels(), _CacheInfo::nexus_info, and _CacheInfo::number_threads.

MagickExport MagickSizeType GetImageExtent ( const Image * image )

Definition at line 2074 of file cache.c.

References _Image::cache, _Image::debug, _Image::filename, GetMagickModule, GetOpenMPThreadId(), GetPixelCacheNexusExtent(), LogMagickEvent(), MagickFalse, MagickSignature, _CacheInfo::nexus_info, _CacheInfo::number_threads, _CacheInfo::signature, _Image::signature, and TraceEvent.

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

MagickExport Cache GetImagePixelCache	(	Image *	image,
		const MagickBooleanType	clone,
		ExceptionInfo *	exception
	)

MagickExport MagickBooleanType GetOneAuthenticPixel	(	Image *	image,
		const ssize_t	x,
		const ssize_t	y,
		PixelPacket *	pixel,
		ExceptionInfo *	exception
	)

Definition at line 2289 of file cache.c.

References _Image::background_color, _Image::cache, _CacheMethods::get_one_authentic_pixel_from_handler, MagickFalse, MagickSignature, _CacheInfo::methods, _CacheInfo::signature, and _Image::signature.

Referenced by GetOnePixel().

static MagickBooleanType GetOneAuthenticPixelFromCache	(	Image *	image,
		const ssize_t	x,
		const ssize_t	y,
		PixelPacket *	pixel,
		ExceptionInfo *	exception
	)			`[static]`

Definition at line 2348 of file cache.c.

References _Image::background_color, GetAuthenticPixelsCache(), MagickFalse, and MagickTrue.

MagickExport MagickBooleanType GetOneVirtualMagickPixel	(	const Image *	image,
		const ssize_t	x,
		const ssize_t	y,
		MagickPixelPacket *	pixel,
		ExceptionInfo *	exception
	)

Definition at line 2394 of file cache.c.

References _Image::cache, GetMagickPixelPacket(), GetPixelCacheVirtualMethod(), GetVirtualIndexQueue(), GetVirtualPixelCache(), MagickFalse, MagickSignature, MagickTrue, SetMagickPixelPacket(), _CacheInfo::signature, and _Image::signature.

Referenced by AcquireOneMagickPixel(), CompositeImageChannel(), DrawPrimitive(), and XMakeMagnifyImage().

MagickExport MagickBooleanType GetOneVirtualMethodPixel	(	const Image *	image,
		const VirtualPixelMethod	virtual_pixel_method,
		const ssize_t	x,
		const ssize_t	y,
		PixelPacket *	pixel,
		ExceptionInfo *	exception
	)

Definition at line 2457 of file cache.c.

References _Image::background_color, _Image::cache, _CacheMethods::get_one_virtual_pixel_from_handler, MagickFalse, MagickSignature, _CacheInfo::methods, _CacheInfo::signature, and _Image::signature.

Referenced by AcquireOneVirtualPixel(), GetFillColor(), and GetStrokeColor().

MagickExport MagickBooleanType GetOneVirtualPixel	(	const Image *	image,
		const ssize_t	x,
		const ssize_t	y,
		PixelPacket *	pixel,
		ExceptionInfo *	exception
	)

Definition at line 2517 of file cache.c.

References _Image::background_color, _Image::cache, _CacheMethods::get_one_virtual_pixel_from_handler, GetPixelCacheVirtualMethod(), MagickFalse, MagickSignature, _CacheInfo::methods, _CacheInfo::signature, and _Image::signature.

Referenced by AcquireOnePixel(), PlasmaImageProxy(), SteganoImage(), XAnnotateImage(), and XDrawImage().

static MagickBooleanType GetOneVirtualPixelFromCache	(	const Image *	image,
		const VirtualPixelMethod	virtual_pixel_method,
		const ssize_t	x,
		const ssize_t	y,
		PixelPacket *	pixel,
		ExceptionInfo *	exception
	)

Definition at line 2579 of file cache.c.

References _Image::background_color, GetVirtualPixelCache(), MagickFalse, and MagickTrue.

MagickExport ColorspaceType GetPixelCacheColorspace ( const Cache cache )

Definition at line 2616 of file cache.c.

References _CacheInfo::colorspace, _CacheInfo::debug, _CacheInfo::filename, GetMagickModule, LogMagickEvent(), MagickFalse, MagickSignature, _CacheInfo::signature, and TraceEvent.

Referenced by QueueAuthenticPixelsStream().

MagickExport void GetPixelCacheMethods ( CacheMethods * cache_methods )

Definition at line 2652 of file cache.c.

MagickExport MagickSizeType GetPixelCacheNexusExtent	(	const Cache	cache,
		NexusInfo *	nexus_info
	)

Definition at line 2695 of file cache.c.

References _CacheInfo::columns, _RectangleInfo::height, MagickSignature, _NexusInfo::region, _CacheInfo::rows, _CacheInfo::signature, and _RectangleInfo::width.

Referenced by GetCacheViewExtent(), and GetImageExtent().

MagickExport IndexPacket* GetPixelCacheNexusIndexes	(	const Cache	cache,
		NexusInfo *	nexus_info
	)

Definition at line 2740 of file cache.c.

References _NexusInfo::indexes, MagickSignature, _CacheInfo::signature, _CacheInfo::storage_class, and UndefinedClass.

Referenced by ClipPixelCacheNexus(), GetAuthenticIndexesFromCache(), GetCacheViewAuthenticIndexQueue(), GetVirtualPixelsFromNexus(), and MaskPixelCacheNexus().

MagickExport PixelPacket* GetPixelCacheNexusPixels	(	const Cache	cache,
		NexusInfo *	nexus_info
	)

Definition at line 2781 of file cache.c.

References MagickSignature, _NexusInfo::pixels, _CacheInfo::signature, _CacheInfo::storage_class, and UndefinedClass.

MagickExport void* GetPixelCachePixels	(	Image *	image,
		MagickSizeType *	length,
		ExceptionInfo *	exception
	)

Definition at line 2823 of file cache.c.

References _Image::cache, GetImagePixelCache(), _CacheInfo::length, MagickSignature, MagickTrue, MapCache, MemoryCache, _CacheInfo::pixels, _CacheInfo::signature, _Image::signature, and _CacheInfo::type.

Referenced by AccelerateConvolveImage().

MagickExport ClassType GetPixelCacheStorageClass ( const Cache cache )

Definition at line 2865 of file cache.c.

References _CacheInfo::debug, _CacheInfo::filename, GetMagickModule, LogMagickEvent(), MagickFalse, MagickSignature, _CacheInfo::signature, _CacheInfo::storage_class, and TraceEvent.

Referenced by QueueAuthenticPixelsStream().

MagickExport void GetPixelCacheTileSize	(	const Image *	image,
		size_t *	width,
		size_t *	height
	)

Definition at line 2906 of file cache.c.

References _Image::cache, _Image::debug, _Image::filename, GetMagickModule, GetPixelCacheType(), LogMagickEvent(), MagickFalse, MagickSignature, _CacheInfo::signature, _Image::signature, and TraceEvent.

MagickExport CacheType GetPixelCacheType ( const Image * image )

Definition at line 2947 of file cache.c.

References _Image::cache, MagickSignature, _CacheInfo::signature, _Image::signature, and _CacheInfo::type.

Referenced by GetPixelCacheTileSize().

MagickExport VirtualPixelMethod GetPixelCacheVirtualMethod ( const Image * image )

Definition at line 2984 of file cache.c.

References _Image::cache, MagickSignature, _CacheInfo::signature, _Image::signature, and _CacheInfo::virtual_pixel_method.

Referenced by GetImageVirtualPixelMethod(), GetOneVirtualMagickPixel(), GetOneVirtualPixel(), and GetVirtualPixels().

static const IndexPacket * GetVirtualIndexesFromCache ( const Image * image ) [static]

Definition at line 3020 of file cache.c.

References _Image::cache, GetOpenMPThreadId(), GetVirtualIndexesFromNexus(), _CacheInfo::nexus_info, and _CacheInfo::number_threads.

MagickExport const IndexPacket* GetVirtualIndexesFromNexus	(	const Cache	cache,
		NexusInfo *	nexus_info
	)

Definition at line 3064 of file cache.c.

References _NexusInfo::indexes, MagickSignature, _CacheInfo::signature, _CacheInfo::storage_class, and UndefinedClass.

Referenced by GetCacheViewVirtualIndexQueue(), GetVirtualIndexesFromCache(), and GetVirtualPixelsFromNexus().

MagickExport const IndexPacket* GetVirtualIndexQueue ( const Image * image )

static const PixelPacket * GetVirtualPixelCache	(	const Image *	image,
		const VirtualPixelMethod	virtual_pixel_method,
		const ssize_t	x,
		const ssize_t	y,
		const size_t	columns,
		const size_t	rows,
		ExceptionInfo *	exception
	)			`[static]`

Definition at line 3611 of file cache.c.

References _Image::cache, GetOpenMPThreadId(), GetVirtualPixelsFromNexus(), _CacheInfo::nexus_info, and _CacheInfo::number_threads.

Referenced by GetOneVirtualMagickPixel(), and GetOneVirtualPixelFromCache().

MagickExport const PixelPacket* GetVirtualPixelQueue ( const Image * image )

Definition at line 3655 of file cache.c.

References _Image::cache, _CacheMethods::get_virtual_pixels_handler, MagickSignature, _CacheInfo::methods, _CacheInfo::signature, and _Image::signature.

Referenced by AcquirePixels(), and ExportQuantumPixels().

MagickExport const PixelPacket* GetVirtualPixels	(	const Image *	image,
		const ssize_t	x,
		const ssize_t	y,
		const size_t	columns,
		const size_t	rows,
		ExceptionInfo *	exception
	)

static const PixelPacket * GetVirtualPixelsCache ( const Image * image )

Definition at line 3765 of file cache.c.

References _Image::cache, GetOpenMPThreadId(), GetVirtualPixelsNexus(), _CacheInfo::nexus_info, and _CacheInfo::number_threads.

MagickExport const PixelPacket* GetVirtualPixelsFromNexus	(	const Image *	image,
		const VirtualPixelMethod	virtual_pixel_method,
		const ssize_t	x,
		const ssize_t	y,
		const size_t	columns,
		const size_t	rows,
		NexusInfo *	nexus_info,
		ExceptionInfo *	exception
	)

Definition at line 3244 of file cache.c.

MagickExport const PixelPacket* GetVirtualPixelsNexus	(	const Cache	cache,
		NexusInfo *	nexus_info
	)

Definition at line 3809 of file cache.c.

References MagickSignature, _NexusInfo::pixels, _CacheInfo::signature, _CacheInfo::storage_class, and UndefinedClass.

Referenced by GetCacheViewVirtualPixelQueue(), and GetVirtualPixelsCache().

static MagickBooleanType IsNexusInCore	(	const CacheInfo *	cache_info,
		NexusInfo *	nexus_info
	)			`[inline, static]`

Definition at line 1803 of file cache.c.

References _CacheInfo::columns, MagickFalse, MagickTrue, PingCache, _CacheInfo::pixels, _NexusInfo::pixels, _NexusInfo::region, _CacheInfo::type, _RectangleInfo::x, and _RectangleInfo::y.

Referenced by GetAuthenticPixelCacheNexus(), GetVirtualPixelsFromNexus(), ReadPixelCacheIndexes(), ReadPixelCachePixels(), SyncAuthenticPixelCacheNexus(), WritePixelCacheIndexes(), and WritePixelCachePixels().

static void LimitPixelCacheDescriptors ( void ) [static]

Definition at line 666 of file cache.c.

References cache_resources, cache_semaphore, close, DiskCache, _CacheInfo::file, FileResource, GetMagickResource(), GetMagickResourceLimit(), GetNextKeyInSplayTree(), LockSemaphoreInfo(), ResetSplayTreeIterator(), _CacheInfo::timestamp, _CacheInfo::type, and UnlockSemaphoreInfo().

Referenced by OpenPixelCacheOnDisk().

static MagickSizeType MagickMax	(	const MagickSizeType	x,
		const MagickSizeType	y
	)			`[inline, static]`

Definition at line 709 of file cache.c.

Referenced by CloneDiskToDiskPixelCache(), CloneDiskToMemoryPixelCache(), and CloneMemoryToDiskPixelCache().

static MagickSizeType MagickMin	(	const MagickSizeType	x,
		const MagickSizeType	y
	)			`[inline, static]`

Definition at line 717 of file cache.c.

Referenced by CloneDiskToDiskPixelCache(), CloneDiskToMemoryPixelCache(), CloneMemoryToDiskPixelCache(), CloneMemoryToMemoryPixelCache(), GetVirtualPixelsFromNexus(), ReadPixelCacheRegion(), and WritePixelCacheRegion().

static void MagickPixelCompositeMask	(	const MagickPixelPacket *	p,
		const MagickRealType	alpha,
		const MagickPixelPacket *	q,
		const MagickRealType	beta,
		MagickPixelPacket *	composite
	)			`[inline, static]`

Definition at line 3854 of file cache.c.

References _MagickPixelPacket::blue, CMYKColorspace, _MagickPixelPacket::colorspace, _MagickPixelPacket::green, _MagickPixelPacket::index, MagickEpsilon, MagickOver_(), QuantumScale, _MagickPixelPacket::red, and TransparentOpacity.

Referenced by MaskPixelCacheNexus().

static MagickBooleanType MaskPixelCacheNexus	(	Image *	image,
		NexusInfo *	nexus_info,
		ExceptionInfo *	exception
	)			`[static]`

Definition at line 3875 of file cache.c.

References AcquirePixelCacheNexus(), _CacheInfo::active_index_channel, _MagickPixelPacket::blue, _Image::cache, CacheError, ClampToQuantum(), _Image::debug, DestroyPixelCacheNexus(), _Image::exception, _Image::filename, GetAuthenticPixelCacheNexus(), GetImagePixelCache(), GetMagickModule, GetMagickPixelPacket(), GetPixelCacheNexusIndexes(), GetVirtualPixelsFromNexus(), _MagickPixelPacket::green, _RectangleInfo::height, _NexusInfo::indexes, LogMagickEvent(), MagickFalse, MagickPixelCompositeMask(), MagickTrue, _Image::mask, MaskVirtualPixelMethod, _MagickPixelPacket::opacity, PixelIntensityToQuantum(), _NexusInfo::pixels, _MagickPixelPacket::red, _NexusInfo::region, restrict, SetMagickPixelPacket(), ThrowBinaryException, TraceEvent, _RectangleInfo::width, _RectangleInfo::x, and _RectangleInfo::y.

Referenced by SyncAuthenticPixelCacheNexus().

static MagickBooleanType OpenPixelCache	(	Image *	image,
		const MapMode	mode,
		ExceptionInfo *	exception
	)

Definition at line 4038 of file cache.c.

References AcquireMagickResource(), _CacheInfo::active_index_channel, AllocatePixelCachePixels(), AreaResource, _Image::cache, _CacheInfo::cache_filename, CacheError, CacheEvent, ClonePixelCachePixels(), ClosePixelCacheOnDisk(), CMYKColorspace, _CacheInfo::colorspace, _Image::colorspace, _CacheInfo::columns, _Image::columns, _Image::debug, DiskResource, ExtendCache(), _CacheInfo::file, _CacheInfo::filename, _Image::filename, FormatMagickSize(), FormatMagickString(), GetImageIndexInList(), GetMagickModule, _CacheInfo::indexes, _CacheInfo::length, LogMagickEvent(), MagickFalse, MagickTrue, MapBlob(), MapCache, _CacheInfo::mapped, MapResource, MaxTextExtent, MemoryCache, MemoryResource, _CacheInfo::mode, _CacheInfo::offset, OpenPixelCacheOnDisk(), _Image::ping, _CacheInfo::pixels, ReadMode, RelinquishMagickResource(), RelinquishPixelCachePixels(), ResourceLimitError, _CacheInfo::rows, _Image::rows, _CacheInfo::storage_class, _Image::storage_class, ThrowBinaryException, ThrowFileException, ThrowMagickException(), TraceEvent, _CacheInfo::type, UndefinedCache, and UndefinedClass.

Referenced by GetImagePixelCache(), and PersistPixelCache().

static MagickBooleanType OpenPixelCacheOnDisk	(	CacheInfo *	cache_info,
		const MapMode	mode
	)			`[static]`

MagickExport MagickBooleanType PersistPixelCache	(	Image *	image,
		const char *	filename,
		const MagickBooleanType	attach,
		MagickOffsetType *	offset,
		ExceptionInfo *	exception
	)

MagickExport PixelPacket* QueueAuthenticNexus	(	Image *	image,
		const ssize_t	x,
		const ssize_t	y,
		const size_t	columns,
		const size_t	rows,
		NexusInfo *	nexus_info,
		ExceptionInfo *	exception
	)

Definition at line 4409 of file cache.c.

References _Image::cache, _CacheInfo::columns, _Image::filename, GetMagickModule, _RectangleInfo::height, _CacheInfo::rows, SetPixelCacheNexusPixels(), ThrowMagickException(), _RectangleInfo::width, _RectangleInfo::x, and _RectangleInfo::y.

Referenced by GetAuthenticPixelCacheNexus(), QueueAuthenticPixelsCache(), and QueueCacheViewAuthenticPixels().

MagickExport PixelPacket* QueueAuthenticPixels	(	Image *	image,
		const ssize_t	x,
		const ssize_t	y,
		const size_t	columns,
		const size_t	rows,
		ExceptionInfo *	exception
	)

Definition at line 4571 of file cache.c.

References _Image::cache, MagickSignature, _CacheInfo::methods, _CacheMethods::queue_authentic_pixels_handler, _CacheInfo::signature, and _Image::signature.

Referenced by ConsolidateCMYKImages(), HuffmanDecodeImage(), PlasmaImageProxy(), SetImage(), SetImagePixels(), StereoAnaglyphImage(), UniqueColorsToImage(), XDrawImage(), XGetWindowImage(), and XMakeStandardColormap().

static PixelPacket * QueueAuthenticPixelsCache	(	Image *	image,
		const ssize_t	x,
		const ssize_t	y,
		const size_t	columns,
		const size_t	rows,
		ExceptionInfo *	exception
	)

Definition at line 4492 of file cache.c.

References GetImagePixelCache(), GetOpenMPThreadId(), MagickFalse, _CacheInfo::nexus_info, _CacheInfo::number_threads, and QueueAuthenticNexus().

static ssize_t RandomX	(	RandomInfo *	random_info,
		const size_t	columns
	)			`[inline, static]`

Definition at line 3214 of file cache.c.

References GetPseudoRandomValue().

Referenced by GetVirtualPixelsFromNexus().

static ssize_t RandomY	(	RandomInfo *	random_info,
		const size_t	rows
	)			`[inline, static]`

Definition at line 3219 of file cache.c.

References GetPseudoRandomValue().

Referenced by GetVirtualPixelsFromNexus().

static MagickBooleanType ReadPixelCacheIndexes	(	CacheInfo *	cache_info,
		NexusInfo *	nexus_info,
		ExceptionInfo *	exception
	)

static MagickBooleanType ReadPixelCachePixels	(	CacheInfo *	cache_info,
		NexusInfo *	nexus_info,
		ExceptionInfo *	exception
	)

static MagickOffsetType ReadPixelCacheRegion	(	CacheInfo *	cache_info,
		const MagickOffsetType	offset,
		const MagickSizeType	length,
		unsigned char *restrict	buffer
	)			`[inline, static]`

Definition at line 781 of file cache.c.

References _CacheInfo::disk_semaphore, _CacheInfo::file, LockSemaphoreInfo(), MagickMin(), MagickSeek, read, SSIZE_MAX, _CacheInfo::timestamp, and UnlockSemaphoreInfo().

Referenced by CloneDiskToDiskPixelCache(), CloneDiskToMemoryPixelCache(), ReadPixelCacheIndexes(), and ReadPixelCachePixels().

MagickExport Cache ReferencePixelCache ( Cache cache )

Definition at line 4876 of file cache.c.

References LockSemaphoreInfo(), MagickSignature, _CacheInfo::reference_count, _CacheInfo::semaphore, _CacheInfo::signature, and UnlockSemaphoreInfo().

Referenced by CloneImage(), CloneImageInfo(), and PersistPixelCache().

static void RelinquishCacheNexusPixels ( NexusInfo * nexus_info ) [inline, static]

Definition at line 1655 of file cache.c.

References _NexusInfo::cache, _NexusInfo::indexes, _NexusInfo::length, MagickFalse, _NexusInfo::mapped, _NexusInfo::pixels, RelinquishMagickMemory(), and UnmapBlob().

Referenced by DestroyPixelCacheNexus(), and SetPixelCacheNexusPixels().

static void RelinquishPixelCachePixels ( CacheInfo * cache_info ) [inline, static]

Definition at line 1539 of file cache.c.

References ClosePixelCacheOnDisk(), DiskCache, DiskResource, _CacheInfo::file, _CacheInfo::indexes, _CacheInfo::length, MagickFalse, MapCache, _CacheInfo::mapped, MapResource, MemoryCache, MemoryResource, _CacheInfo::pixels, RelinquishMagickMemory(), RelinquishMagickResource(), _CacheInfo::type, and UnmapBlob().

Referenced by DestroyPixelCache(), and OpenPixelCache().

MagickExport void SetPixelCacheMethods	(	Cache	cache,
		CacheMethods *	cache_methods
	)

static PixelPacket * SetPixelCacheNexusPixels	(	const Image *	image,
		const RectangleInfo *	region,
		NexusInfo *	nexus_info,
		ExceptionInfo *	exception
	)

MagickExport VirtualPixelMethod SetPixelCacheVirtualMethod	(	const Image *	image,
		const VirtualPixelMethod	virtual_pixel_method
	)

Definition at line 5118 of file cache.c.

References _Image::cache, _Image::debug, _Image::filename, GetMagickModule, LogMagickEvent(), MagickFalse, MagickSignature, _CacheInfo::signature, _Image::signature, TraceEvent, and _CacheInfo::virtual_pixel_method.

Referenced by SetImageVirtualPixelMethod().

MagickExport MagickBooleanType SyncAuthenticPixelCacheNexus	(	Image *	image,
		NexusInfo *	nexus_info,
		ExceptionInfo *	exception
	)

Definition at line 5168 of file cache.c.

References _CacheInfo::active_index_channel, _Image::cache, CacheError, _Image::clip_mask, ClipPixelCacheNexus(), _Image::filename, IsNexusInCore(), MagickFalse, MagickSignature, MagickTrue, _Image::mask, MaskPixelCacheNexus(), _CacheInfo::signature, _Image::signature, ThrowBinaryException, _CacheInfo::type, UndefinedCache, WritePixelCacheIndexes(), and WritePixelCachePixels().

Referenced by SyncAuthenticPixelsCache(), and SyncCacheViewAuthenticPixels().

MagickExport MagickBooleanType SyncAuthenticPixels	(	Image *	image,
		ExceptionInfo *	exception
	)

static MagickBooleanType SyncAuthenticPixelsCache	(	Image *	image,
		ExceptionInfo *	exception
	)

Definition at line 5230 of file cache.c.

References _Image::cache, GetOpenMPThreadId(), _CacheInfo::nexus_info, _CacheInfo::number_threads, and SyncAuthenticPixelCacheNexus().

static MagickBooleanType ValidatePixelCacheMorphology ( const Image * image ) [inline, static]

Definition at line 2127 of file cache.c.

References _Image::cache, _CacheInfo::colorspace, _Image::colorspace, _CacheInfo::columns, _Image::columns, GetOpenMPMaximumThreads(), MagickFalse, MagickTrue, _CacheInfo::nexus_info, _CacheInfo::number_threads, _CacheInfo::rows, _Image::rows, _CacheInfo::storage_class, and _Image::storage_class.

Referenced by GetImagePixelCache().

static MagickModulo VirtualPixelModulo	(	const ssize_t	offset,
		const size_t	extent
	)			`[inline, static]`

Definition at line 3231 of file cache.c.

References _MagickModulo::quotient, and _MagickModulo::remainder.

Referenced by GetVirtualPixelsFromNexus().

static MagickBooleanType WritePixelCacheIndexes	(	CacheInfo *	cache_info,
		NexusInfo *	nexus_info,
		ExceptionInfo *	exception
	)

static MagickBooleanType WritePixelCachePixels	(	CacheInfo *	cache_info,
		NexusInfo *	nexus_info,
		ExceptionInfo *	exception
	)

static MagickOffsetType WritePixelCacheRegion	(	CacheInfo *	cache_info,
		const MagickOffsetType	offset,
		const MagickSizeType	length,
		const unsigned char *restrict	buffer
	)			`[inline, static]`

Definition at line 825 of file cache.c.

References _CacheInfo::disk_semaphore, _CacheInfo::file, LockSemaphoreInfo(), MagickMin(), MagickSeek, SSIZE_MAX, _CacheInfo::timestamp, UnlockSemaphoreInfo(), and write.

Referenced by CloneDiskToDiskPixelCache(), CloneMemoryToDiskPixelCache(), ExtendCache(), WritePixelCacheIndexes(), and WritePixelCachePixels().

Variable Documentation

SplayTreeInfo* cache_resources = (SplayTreeInfo *) NULL [static]

Definition at line 159 of file cache.c.

Referenced by AcquirePixelCache(), CacheComponentTerminus(), DestroyPixelCache(), and LimitPixelCacheDescriptors().

SemaphoreInfo* cache_semaphore = (SemaphoreInfo *) NULL [static]

Definition at line 156 of file cache.c.

Referenced by AcquirePixelCache(), CacheComponentGenesis(), CacheComponentTerminus(), and LimitPixelCacheDescriptors().

ssize_t DitherMatrix[64] [static]

Initial value:

  {
     0,  48,  12,  60,   3,  51,  15,  63,
    32,  16,  44,  28,  35,  19,  47,  31,
     8,  56,   4,  52,  11,  59,   7,  55,
    40,  24,  36,  20,  43,  27,  39,  23,
     2,  50,  14,  62,   1,  49,  13,  61,
    34,  18,  46,  30,  33,  17,  45,  29,
    10,  58,   6,  54,   9,  57,   5,  53,
    42,  26,  38,  22,  41,  25,  37,  21
  }

Definition at line 3158 of file cache.c.

Referenced by DitherX(), and DitherY().

volatile MagickBooleanType instantiate_cache = MagickFalse [static]

Definition at line 153 of file cache.c.

Referenced by AcquirePixelCache(), and CacheComponentTerminus().

cache.c File Reference

Data Structures

Defines

Typedefs

Functions

Variables

Define Documentation

Typedef Documentation

Function Documentation

Variable Documentation