cache.h

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00001 /*
00002   Copyright 1999-2019 ImageMagick Studio LLC, a non-profit organization
00003   dedicated to making software imaging solutions freely available.
00004   
00005   You may not use this file except in compliance with the License.  You may
00006   obtain a copy of the License at
00007   
00008     https://imagemagick.org/script/license.php
00009   
00010   Unless required by applicable law or agreed to in writing, software
00011   distributed under the License is distributed on an "AS IS" BASIS,
00012   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013   See the License for the specific language governing permissions and
00014   limitations under the License.
00015 
00016   MagickCore cache methods.
00017 */
00018 #ifndef MAGICKCORE_CACHE_H
00019 #define MAGICKCORE_CACHE_H
00020 
00021 #include "magick/blob.h"
00022 
00023 #if defined(__cplusplus) || defined(c_plusplus)
00024 extern "C" {
00025 #endif
00026 
00027 typedef enum
00028 {
00029   UndefinedCache,
00030   MemoryCache,
00031   MapCache,
00032   DiskCache,
00033   PingCache,
00034   DistributedCache
00035 } CacheType;
00036 
00037 extern MagickExport CacheType
00038   GetImagePixelCacheType(const Image *);
00039 
00040 extern MagickExport const char
00041   *GetPixelCacheFilename(const Image *);
00042 
00043 extern MagickExport const IndexPacket
00044   *GetVirtualIndexQueue(const Image *);
00045 
00046 extern MagickExport const PixelPacket
00047   *GetVirtualPixels(const Image *,const ssize_t,const ssize_t,const size_t,
00048     const size_t,ExceptionInfo *),
00049   *GetVirtualPixelQueue(const Image *);
00050 
00051 extern MagickExport const void
00052   *AcquirePixelCachePixels(const Image *,MagickSizeType *,ExceptionInfo *);
00053 
00054 extern MagickExport IndexPacket
00055   *GetAuthenticIndexQueue(const Image *);
00056 
00057 extern MagickExport MagickBooleanType
00058   CacheComponentGenesis(void),
00059   GetOneVirtualMagickPixel(const Image *,const ssize_t,const ssize_t,
00060     MagickPixelPacket *,ExceptionInfo *),
00061   GetOneVirtualPixel(const Image *,const ssize_t,const ssize_t,PixelPacket *,
00062     ExceptionInfo *),
00063   GetOneVirtualMethodPixel(const Image *,const VirtualPixelMethod,const ssize_t,
00064     const ssize_t,PixelPacket *,ExceptionInfo *),
00065   GetOneAuthenticPixel(Image *,const ssize_t,const ssize_t,PixelPacket *,
00066     ExceptionInfo *),
00067   PersistPixelCache(Image *,const char *,const MagickBooleanType,
00068     MagickOffsetType *,ExceptionInfo *),
00069   SyncAuthenticPixels(Image *,ExceptionInfo *);
00070 
00071 extern MagickExport MagickSizeType
00072   GetImageExtent(const Image *);
00073 
00074 extern MagickExport PixelPacket
00075   *GetAuthenticPixels(Image *,const ssize_t,const ssize_t,const size_t,
00076     const size_t,ExceptionInfo *),
00077   *GetAuthenticPixelQueue(const Image *),
00078   *QueueAuthenticPixels(Image *,const ssize_t,const ssize_t,const size_t,
00079     const size_t,ExceptionInfo *);
00080 
00081 extern MagickExport VirtualPixelMethod
00082   GetPixelCacheVirtualMethod(const Image *),
00083   SetPixelCacheVirtualMethod(const Image *,const VirtualPixelMethod);
00084 
00085 extern MagickExport void
00086   CacheComponentTerminus(void),
00087   *GetPixelCachePixels(Image *,MagickSizeType *,ExceptionInfo *);
00088 
00089 #if defined(__cplusplus) || defined(c_plusplus)
00090 }
00091 #endif
00092 
00093 #endif

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