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/*
Copyright @ 1999 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. You may
obtain a copy of the License at
https://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
#include "MagickCore/cache.h"
#include "MagickCore/distribute-cache.h"
#include "MagickCore/opencl-private.h"
#include "MagickCore/pixel.h"
#include "MagickCore/random_.h"
#include "MagickCore/thread-private.h"
#include "MagickCore/semaphore.h"
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
typedef void
*Cache;
typedef MagickBooleanType
(*GetOneAuthenticPixelFromHandler)(Image *,const ssize_t,const ssize_t,
Quantum *,ExceptionInfo *),
(*GetOneVirtualPixelFromHandler)(const Image *,const VirtualPixelMethod,
const ssize_t,const ssize_t,Quantum *,ExceptionInfo *),
(*SyncAuthenticPixelsHandler)(Image *,ExceptionInfo *);
typedef const Quantum
*(*GetVirtualPixelHandler)(const Image *,const VirtualPixelMethod,
const ssize_t,const ssize_t,const size_t,const size_t,ExceptionInfo *),
*(*GetVirtualPixelsHandler)(const Image *);
typedef const void
*(*GetVirtualMetacontentFromHandler)(const Image *);
typedef Quantum
*(*GetAuthenticPixelsHandler)(Image *,const ssize_t,const ssize_t,
const size_t,const size_t,ExceptionInfo *);
typedef Quantum
*(*GetAuthenticPixelsFromHandler)(const Image *);
typedef Quantum
*(*QueueAuthenticPixelsHandler)(Image *,const ssize_t,const ssize_t,
const size_t,const size_t,ExceptionInfo *);
typedef void
(*DestroyPixelHandler)(Image *);
typedef void
*(*GetAuthenticMetacontentFromHandler)(const Image *);
typedef struct _CacheMethods
{
GetVirtualPixelHandler
get_virtual_pixel_handler;
GetVirtualPixelsHandler
get_virtual_pixels_handler;
GetVirtualMetacontentFromHandler
get_virtual_metacontent_from_handler;
GetOneVirtualPixelFromHandler
get_one_virtual_pixel_from_handler;
GetAuthenticPixelsHandler
get_authentic_pixels_handler;
GetAuthenticMetacontentFromHandler
get_authentic_metacontent_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
{
MagickBooleanType
mapped;
RectangleInfo
region;
MagickSizeType
length;
Quantum
*cache,
*pixels;
MagickBooleanType
authentic_pixel_cache;
void
*metacontent;
size_t
signature;
struct _NexusInfo
*virtual_nexus;
} NexusInfo;
typedef struct _CacheInfo
{
ClassType
storage_class;
ColorspaceType
colorspace;
PixelTrait
alpha_trait;
ChannelType
channels;
size_t
columns,
rows;
size_t
metacontent_extent,
number_channels;
PixelChannelMap
channel_map[MaxPixelChannels];
CacheType
type;
MapMode
mode,
disk_mode;
MagickBooleanType
mapped;
MagickOffsetType
offset;
MagickSizeType
length;
VirtualPixelMethod
virtual_pixel_method;
PixelInfo
virtual_pixel_color;
size_t
number_threads;
NexusInfo
**nexus_info;
Quantum
*pixels;
void
*metacontent;
int
file;
char
filename[MagickPathExtent],
cache_filename[MagickPathExtent];
CacheMethods
methods;
RandomInfo
*random_info;
void
*server_info;
MagickBooleanType
synchronize,
debug;
MagickThreadType
id;
ssize_t
reference_count;
SemaphoreInfo
*semaphore,
*file_semaphore;
time_t
timestamp;
size_t
signature;
MagickCLCacheInfo
opencl;
MagickBooleanType
composite_mask;
MagickSizeType
width_limit,
height_limit;
} CacheInfo;
static inline MagickBooleanType IsValidPixelOffset(const ssize_t x,
const size_t extent)
{
if (extent == 0)
return(MagickTrue);
if ((x >= (MAGICK_SSIZE_MAX/(ssize_t) extent)) ||
(x <= (MAGICK_SSIZE_MIN/(ssize_t) extent)))
return(MagickFalse);
return(MagickTrue);
}
extern MagickPrivate Cache
AcquirePixelCache(const size_t),
ClonePixelCache(const Cache),
DestroyPixelCache(Cache),
ReferencePixelCache(Cache);
extern MagickPrivate ClassType
GetPixelCacheStorageClass(const Cache);
extern MagickPrivate ColorspaceType
GetPixelCacheColorspace(const Cache);
extern MagickPrivate const Quantum
*GetVirtualPixelCacheNexus(const Image *,const VirtualPixelMethod,
const ssize_t,const ssize_t,const size_t,const size_t,NexusInfo *,
ExceptionInfo *) magick_hot_spot,
*GetVirtualPixelsNexus(const Cache,NexusInfo *magick_restrict);
extern MagickPrivate const void
*GetVirtualMetacontentFromNexus(const Cache,NexusInfo *magick_restrict);
extern MagickPrivate MagickBooleanType
CacheComponentGenesis(void),
SyncAuthenticPixelCacheNexus(Image *,NexusInfo *magick_restrict,
ExceptionInfo *) magick_hot_spot,
SyncImagePixelCache(Image *,ExceptionInfo *);
extern MagickPrivate MagickSizeType
GetPixelCacheNexusExtent(const Cache,NexusInfo *magick_restrict);
extern MagickPrivate NexusInfo
**AcquirePixelCacheNexus(const size_t),
**DestroyPixelCacheNexus(NexusInfo **,const size_t);
extern MagickPrivate Quantum
*GetAuthenticPixelCacheNexus(Image *,const ssize_t,const ssize_t,
const size_t,const size_t,NexusInfo *,ExceptionInfo *) magick_hot_spot,
*QueueAuthenticPixelCacheNexus(Image *,const ssize_t,const ssize_t,
const size_t,const size_t,const MagickBooleanType,NexusInfo *,
ExceptionInfo *) magick_hot_spot;
extern MagickPrivate size_t
GetPixelCacheChannels(const Cache);
extern MagickPrivate VirtualPixelMethod
GetPixelCacheVirtualMethod(const Image *),
SetPixelCacheVirtualMethod(Image *,const VirtualPixelMethod,ExceptionInfo *);
extern MagickPrivate void
CacheComponentTerminus(void),
ClonePixelCacheMethods(Cache,const Cache),
GetPixelCacheTileSize(const Image *,size_t *,size_t *),
GetPixelCacheMethods(CacheMethods *),
ResetCacheAnonymousMemory(void),
ResetPixelCacheChannels(Image *),
SetPixelCacheMethods(Cache,CacheMethods *);
#if defined(MAGICKCORE_OPENCL_SUPPORT)
extern MagickPrivate cl_mem
GetAuthenticOpenCLBuffer(const Image *,MagickCLDevice,ExceptionInfo *);
extern MagickPrivate void
SyncAuthenticOpenCLBuffer(const Image *);
#endif
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif
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