MagickCore  6.8.5
cache.c File Reference
Include dependency graph for cache.c:

Data Structures

struct  _MagickModulo

Macros

#define CacheTick(offset, extent)   QuantumTick((MagickOffsetType) offset,extent)
#define IsFileDescriptorLimitExceeded()
#define MaxCacheThreads   2
#define cache_threads(source, destination, chunk)

Typedefs

typedef struct _MagickModulo MagickModulo

Functions

static Cache GetImagePixelCache (Image *, static PixelPacket *GetAuthenticPixelsCache(Image const MagickBooleanType, ExceptionInfo *)
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)
MagickExport void ClonePixelCacheMethods (Cache clone, const Cache cache)
static MagickSizeType MagickMin (const MagickSizeType x, const MagickSizeType y)
static MagickBooleanType ClonePixelCacheRepository (CacheInfo *restrict clone_info, CacheInfo *restrict cache_info, ExceptionInfo *exception)
static void DestroyImagePixelCache (Image *image)
MagickExport void DestroyImagePixels (Image *image)
static MagickBooleanType ClosePixelCacheOnDisk (CacheInfo *cache_info)
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 IndexPacketGetAuthenticIndexesFromCache (const Image *image)
MagickExport IndexPacketGetAuthenticIndexQueue (const Image *image)
MagickExport PixelPacketGetAuthenticPixelCacheNexus (Image *image, const ssize_t x, const ssize_t y, const size_t columns, const size_t rows, NexusInfo *nexus_info, ExceptionInfo *exception)
static PixelPacketGetAuthenticPixelsFromCache (const Image *image)
MagickExport PixelPacketGetAuthenticPixelQueue (const Image *image)
MagickExport PixelPacketGetAuthenticPixels (Image *image, const ssize_t x, const ssize_t y, const size_t columns, const size_t rows, ExceptionInfo *exception)
static PixelPacketGetAuthenticPixelsCache (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 *restrict image)
static Cache GetImagePixelCache (Image *image, const MagickBooleanType clone, ExceptionInfo *exception)
MagickExport CacheType GetPixelCacheType (const Image *image)
MagickExport CacheType GetImagePixelCacheType (const Image *image)
MagickExport MagickBooleanType GetOneAuthenticPixel (Image *image, const ssize_t x, const ssize_t y, PixelPacket *pixel, ExceptionInfo *exception)
static MagickBooleanType GetOneAuthenticPixelFromCache (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)
static MagickBooleanType GetOneVirtualPixelFromCache (const Image *image, const VirtualPixelMethod virtual_pixel_method, const ssize_t x, const ssize_t y, PixelPacket *pixel, ExceptionInfo *exception)
MagickExport size_t GetPixelCacheChannels (const Cache cache)
MagickExport ColorspaceType GetPixelCacheColorspace (const Cache cache)
MagickExport void GetPixelCacheMethods (CacheMethods *cache_methods)
MagickExport MagickSizeType GetPixelCacheNexusExtent (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 VirtualPixelMethod GetPixelCacheVirtualMethod (const Image *image)
static const IndexPacketGetVirtualIndexesFromCache (const Image *image)
MagickExport const IndexPacketGetVirtualIndexesFromNexus (const Cache cache, NexusInfo *nexus_info)
MagickExport const IndexPacketGetVirtualIndexQueue (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 PixelPacketGetVirtualPixelsFromNexus (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)
static const PixelPacketGetVirtualPixelCache (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)
MagickExport const PixelPacketGetVirtualPixelQueue (const Image *image)
MagickExport const PixelPacketGetVirtualPixels (const Image *image, const ssize_t x, const ssize_t y, const size_t columns, const size_t rows, ExceptionInfo *exception)
static const PixelPacketGetVirtualPixelsCache (const Image *image)
MagickExport const PixelPacketGetVirtualPixelsNexus (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 OpenPixelCacheOnDisk (CacheInfo *cache_info, const MapMode mode)
static MagickOffsetType WritePixelCacheRegion (const CacheInfo *restrict cache_info, const MagickOffsetType offset, const MagickSizeType length, const unsigned char *restrict buffer)
static MagickBooleanType SetPixelCacheExtent (Image *image, MagickSizeType length)
static MagickBooleanType OpenPixelCache (Image *image, const MapMode mode, ExceptionInfo *exception)
MagickExport MagickBooleanType PersistPixelCache (Image *image, const char *filename, const MagickBooleanType attach, MagickOffsetType *offset, ExceptionInfo *exception)
MagickExport PixelPacketQueueAuthenticPixel (Image *image, const ssize_t x, const ssize_t y, const size_t columns, const size_t rows, const MagickBooleanType clone, NexusInfo *nexus_info, ExceptionInfo *exception)
MagickExport PixelPacketQueueAuthenticPixelCacheNexus (Image *image, const ssize_t x, const ssize_t y, const size_t columns, const size_t rows, const MagickBooleanType clone, NexusInfo *nexus_info, ExceptionInfo *exception)
static PixelPacketQueueAuthenticPixelsCache (Image *image, const ssize_t x, const ssize_t y, const size_t columns, const size_t rows, ExceptionInfo *exception)
MagickExport PixelPacketQueueAuthenticPixels (Image *image, const ssize_t x, const ssize_t y, const size_t columns, const size_t rows, ExceptionInfo *exception)
static MagickOffsetType ReadPixelCacheRegion (const CacheInfo *restrict cache_info, const MagickOffsetType offset, const MagickSizeType length, unsigned char *restrict buffer)
static MagickBooleanType ReadPixelCacheIndexes (CacheInfo *restrict cache_info, NexusInfo *restrict nexus_info, ExceptionInfo *exception)
static MagickBooleanType ReadPixelCachePixels (CacheInfo *restrict cache_info, NexusInfo *restrict nexus_info, ExceptionInfo *exception)
MagickExport Cache ReferencePixelCache (Cache cache)
MagickExport void SetPixelCacheMethods (Cache cache, CacheMethods *cache_methods)
static MagickBooleanType AcquireCacheNexusPixels (const CacheInfo *restrict cache_info, NexusInfo *nexus_info, ExceptionInfo *exception)
static MagickBooleanType IsAuthenticPixelCache (const CacheInfo *restrict cache_info, const NexusInfo *restrict nexus_info)
static void PrefetchPixelCacheNexusPixels (const NexusInfo *nexus_info, const MapMode mode)
static PixelPacketSetPixelCacheNexusPixels (const CacheInfo *cache_info, const MapMode mode, const RectangleInfo *region, const MagickBooleanType buffered, NexusInfo *nexus_info, ExceptionInfo *exception)
static MagickBooleanType SetCacheAlphaChannel (Image *image, const Quantum opacity)
MagickExport VirtualPixelMethod SetPixelCacheVirtualMethod (const Image *image, const VirtualPixelMethod virtual_pixel_method)
MagickExport MagickBooleanType SyncAuthenticPixelCacheNexus (Image *image, NexusInfo *restrict nexus_info, ExceptionInfo *exception)
static MagickBooleanType SyncAuthenticPixelsCache (Image *image, ExceptionInfo *exception)
MagickExport MagickBooleanType SyncAuthenticPixels (Image *image, ExceptionInfo *exception)
MagickPrivate MagickBooleanType SyncImagePixelCache (Image *image, ExceptionInfo *exception)
static MagickBooleanType WritePixelCacheIndexes (CacheInfo *cache_info, NexusInfo *restrict nexus_info, ExceptionInfo *exception)
static MagickBooleanType WritePixelCachePixels (CacheInfo *cache_info, NexusInfo *restrict nexus_info, ExceptionInfo *exception)

Variables

static ssize_t DitherMatrix [64]

Macro Definition Documentation

#define cache_threads (   source,
  destination,
  chunk 
)
Value:
num_threads((chunk) < (16*GetMagickResourceLimit(ThreadResource)) ? 1 : \
GetMagickResourceLimit(ThreadResource) < MaxCacheThreads ? \
#define CacheTick (   offset,
  extent 
)    QuantumTick((MagickOffsetType) offset,extent)
#define IsFileDescriptorLimitExceeded ( )
#define MaxCacheThreads   2

Typedef Documentation

typedef struct _MagickModulo MagickModulo

Function Documentation

MagickExport const void* AcquirePixelCachePixels ( const Image image,
MagickSizeType length,
ExceptionInfo exception 
)
static void AllocatePixelCachePixels ( CacheInfo cache_info)
inlinestatic
MagickExport MagickBooleanType CacheComponentGenesis ( void  )

References AcquireSemaphoreInfo(), and MagickTrue.

Referenced by MagickCoreGenesis().

MagickExport void ClonePixelCacheMethods ( Cache  clone,
const Cache  cache 
)
static ssize_t DitherX ( const ssize_t  x,
const size_t  columns 
)
inlinestatic

References DitherMatrix.

Referenced by GetVirtualPixelsFromNexus().

static ssize_t DitherY ( const ssize_t  y,
const size_t  rows 
)
inlinestatic

References DitherMatrix.

Referenced by GetVirtualPixelsFromNexus().

static ssize_t EdgeX ( const ssize_t  x,
const size_t  columns 
)
inlinestatic
static ssize_t EdgeY ( const ssize_t  y,
const size_t  rows 
)
inlinestatic
static IndexPacket* GetAuthenticIndexesFromCache ( const Image image)
static
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* GetAuthenticPixelsCache ( Image image,
const ssize_t  x,
const ssize_t  y,
const size_t  columns,
const size_t  rows,
ExceptionInfo exception 
)
static
static PixelPacket* GetAuthenticPixelsFromCache ( const Image image)
static
static Cache GetImagePixelCache ( Image ,
static PixelPacket *GetAuthenticPixelsCache(Image  const MagickBooleanType,
ExceptionInfo  
)
static
MagickExport CacheType GetImagePixelCacheType ( const Image image)
MagickExport MagickBooleanType GetOneAuthenticPixel ( Image image,
const ssize_t  x,
const ssize_t  y,
PixelPacket pixel,
ExceptionInfo exception 
)
static MagickBooleanType GetOneAuthenticPixelFromCache ( Image image,
const ssize_t  x,
const ssize_t  y,
PixelPacket pixel,
ExceptionInfo exception 
)
static
MagickExport MagickBooleanType GetOneVirtualMethodPixel ( const Image image,
const VirtualPixelMethod  virtual_pixel_method,
const ssize_t  x,
const ssize_t  y,
PixelPacket pixel,
ExceptionInfo exception 
)
static MagickBooleanType GetOneVirtualPixelFromCache ( const Image image,
const VirtualPixelMethod  virtual_pixel_method,
const ssize_t  x,
const ssize_t  y,
PixelPacket pixel,
ExceptionInfo exception 
)
static
MagickExport size_t GetPixelCacheChannels ( const Cache  cache)
MagickExport MagickSizeType GetPixelCacheNexusExtent ( const Cache  cache,
NexusInfo nexus_info 
)
MagickExport void* GetPixelCachePixels ( Image image,
MagickSizeType length,
ExceptionInfo exception 
)
MagickExport void GetPixelCacheTileSize ( const Image image,
size_t *  width,
size_t *  height 
)
MagickExport CacheType GetPixelCacheType ( const Image image)
static const IndexPacket* GetVirtualIndexesFromCache ( const Image image)
static
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
static const PixelPacket* GetVirtualPixelsCache ( const Image image)
static
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* GetVirtualPixelsNexus ( const Cache  cache,
NexusInfo nexus_info 
)
static MagickBooleanType IsAuthenticPixelCache ( const CacheInfo *restrict  cache_info,
const NexusInfo *restrict  nexus_info 
)
inlinestatic

References MagickFalse, MagickTrue, and PingCache.

Referenced by SetPixelCacheNexusPixels().

static void PrefetchPixelCacheNexusPixels ( const NexusInfo nexus_info,
const MapMode  mode 
)
inlinestatic
MagickExport PixelPacket* QueueAuthenticPixel ( Image image,
const ssize_t  x,
const ssize_t  y,
const size_t  columns,
const size_t  rows,
const MagickBooleanType  clone,
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 
)
static PixelPacket* QueueAuthenticPixelsCache ( Image image,
const ssize_t  x,
const ssize_t  y,
const size_t  columns,
const size_t  rows,
ExceptionInfo exception 
)
static
static ssize_t RandomX ( RandomInfo random_info,
const size_t  columns 
)
inlinestatic
static ssize_t RandomY ( RandomInfo random_info,
const size_t  rows 
)
inlinestatic
static MagickOffsetType ReadPixelCacheRegion ( const CacheInfo *restrict  cache_info,
const MagickOffsetType  offset,
const MagickSizeType  length,
unsigned char *restrict  buffer 
)
inlinestatic
static MagickBooleanType SyncAuthenticPixelsCache ( Image image,
ExceptionInfo exception 
)
static
static MagickBooleanType ValidatePixelCacheMorphology ( const Image *restrict  image)
inlinestatic

References MagickFalse, and MagickTrue.

Referenced by GetImagePixelCache().

static MagickModulo VirtualPixelModulo ( const ssize_t  offset,
const size_t  extent 
)
inlinestatic
static MagickOffsetType WritePixelCacheRegion ( const CacheInfo *restrict  cache_info,
const MagickOffsetType  offset,
const MagickSizeType  length,
const unsigned char *restrict  buffer 
)
inlinestatic

Variable Documentation

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
}

Referenced by DitherX(), and DitherY().