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/*
Copyright 1999-2010 ImageMagick Studio LLC, a non-profit organization
dedicated to making software imaging solutions freely available.
You may not use this file except in compliance with the License.
obtain a copy of the License at
http://www.imagemagick.org/script/license.php
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
MagickCore cache private methods.
*/
#ifndef _MAGICKCORE_CACHE_PRIVATE_H
#define _MAGICKCORE_CACHE_PRIVATE_H
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
#include <time.h>
#include "magick/random_.h"
#include "magick/thread-private.h"
#include "magick/semaphore.h"
typedef enum
{
UndefinedCache,
MemoryCache,
MapCache,
DiskCache
} CacheType;
typedef void
*Cache;
typedef const IndexPacket
*(*GetVirtualIndexesFromHandler)(const Image *);
typedef IndexPacket
*(*GetAuthenticIndexesFromHandler)(const Image *);
typedef MagickBooleanType
(*GetOneAuthenticPixelFromHandler)(Image *,const long,const long,
PixelPacket *,ExceptionInfo *),
(*GetOneVirtualPixelFromHandler)(const Image *,const VirtualPixelMethod,
const long,const long,PixelPacket *,ExceptionInfo *),
(*SyncAuthenticPixelsHandler)(Image *,ExceptionInfo *);
typedef const PixelPacket
*(*GetVirtualPixelHandler)(const Image *,const VirtualPixelMethod,const long,
const long,const unsigned long,const unsigned long,ExceptionInfo *),
*(*GetVirtualPixelsHandler)(const Image *);
typedef PixelPacket
*(*GetAuthenticPixelsHandler)(Image *,const long,const long,
const unsigned long,const unsigned long,ExceptionInfo *);
typedef PixelPacket
*(*GetAuthenticPixelsFromHandler)(const Image *);
typedef PixelPacket
*(*QueueAuthenticPixelsHandler)(Image *,const long,const long,
const unsigned long,const unsigned long,ExceptionInfo *);
typedef void
(*DestroyPixelHandler)(Image *);
typedef struct _CacheMethods
{
GetVirtualPixelHandler
get_virtual_pixel_handler;
GetVirtualPixelsHandler
get_virtual_pixels_handler;
GetVirtualIndexesFromHandler
get_virtual_indexes_from_handler;
GetOneVirtualPixelFromHandler
get_one_virtual_pixel_from_handler;
GetAuthenticPixelsHandler
get_authentic_pixels_handler;
GetAuthenticIndexesFromHandler
get_authentic_indexes_from_handler;
GetOneAuthenticPixelFromHandler
get_one_authentic_pixel_from_handler;
GetAuthenticPixelsFromHandler
get_authentic_pixels_from_handler;
QueueAuthenticPixelsHandler
queue_authentic_pixels_handler;
SyncAuthenticPixelsHandler
sync_authentic_pixels_handler;
DestroyPixelHandler
destroy_pixel_handler;
} CacheMethods;
typedef struct _NexusInfo
NexusInfo;
typedef struct _CacheInfo
{
ClassType
storage_class;
ColorspaceType
colorspace;
CacheType
type;
MapMode
mode;
MagickBooleanType
mapped;
unsigned long
columns,
rows;
MagickOffsetType
offset;
MagickSizeType
length;
VirtualPixelMethod
virtual_pixel_method;
unsigned long
number_threads;
NexusInfo
**nexus_info;
PixelPacket
*pixels;
IndexPacket
*indexes;
MagickBooleanType
active_index_channel;
int
file;
char
filename[MaxTextExtent],
cache_filename[MaxTextExtent];
CacheMethods
methods;
RandomInfo
*random_info;
MagickBooleanType
debug;
MagickThreadType
id;
long
reference_count;
SemaphoreInfo
*semaphore,
*disk_semaphore;
time_t
timestamp;
unsigned long
signature;
} CacheInfo;
extern MagickExport Cache
AcquirePixelCache(const unsigned long),
ClonePixelCache(const Cache),
DestroyPixelCache(Cache),
GetImagePixelCache(Image *,const MagickBooleanType,ExceptionInfo *),
ReferencePixelCache(Cache);
extern MagickExport CacheType
GetPixelCacheType(const Image *);
extern MagickExport ClassType
GetPixelCacheStorageClass(const Cache);
extern MagickExport ColorspaceType
GetPixelCacheColorspace(const Cache);
extern MagickExport const IndexPacket
*GetVirtualIndexesFromNexus(const Cache,NexusInfo *);
extern MagickExport const PixelPacket
*GetVirtualPixelsFromNexus(const Image *,const VirtualPixelMethod,const long,
const long,const unsigned long,const unsigned long,NexusInfo *,
ExceptionInfo *),
*GetVirtualPixelsNexus(const Cache,NexusInfo *);
extern MagickExport IndexPacket
*GetPixelCacheNexusIndexes(const Cache,NexusInfo *);
extern MagickExport MagickBooleanType
SyncAuthenticPixelCacheNexus(Image *,NexusInfo *,ExceptionInfo *);
extern MagickExport MagickSizeType
GetPixelCacheNexusExtent(const Cache,NexusInfo *);
extern MagickExport NexusInfo
**AcquirePixelCacheNexus(const unsigned long),
**DestroyPixelCacheNexus(NexusInfo **,const unsigned long);
extern MagickExport PixelPacket
*GetAuthenticPixelCacheNexus(Image *,const long,const long,
const unsigned long,const unsigned long,NexusInfo *,ExceptionInfo *),
*GetPixelCacheNexusPixels(const Cache,NexusInfo *),
*QueueAuthenticNexus(Image *,const long,const long,const unsigned long,
const unsigned long,NexusInfo *,ExceptionInfo *);
extern MagickExport void
ClonePixelCacheMethods(Cache,const Cache),
GetPixelCacheTileSize(const Image *,unsigned long *,unsigned long *),
GetPixelCacheMethods(CacheMethods *),
SetPixelCacheMethods(Cache,CacheMethods *);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif
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