2 Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization
3 dedicated to making software imaging solutions freely available.
5 You may not use this file except in compliance with the License.
6 obtain a copy of the License at
8 http://www.imagemagick.org/script/license.php
10 Unless required by applicable law or agreed to in writing, software
11 distributed under the License is distributed on an "AS IS" BASIS,
12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 See the License for the specific language governing permissions and
14 limitations under the License.
16 MagickCore cache private methods.
18 #ifndef _MAGICKCORE_CACHE_PRIVATE_H
19 #define _MAGICKCORE_CACHE_PRIVATE_H
21 #if defined(__cplusplus) || defined(c_plusplus)
26 #include "magick/random_.h"
27 #include "magick/thread-private.h"
28 #include "magick/semaphore.h"
42 typedef const IndexPacket
43 *(*GetVirtualIndexesFromHandler)(const Image *);
46 *(*GetAuthenticIndexesFromHandler)(const Image *);
48 typedef MagickBooleanType
49 (*GetOneAuthenticPixelFromHandler)(Image *,const ssize_t,const ssize_t,
50 PixelPacket *,ExceptionInfo *),
51 (*GetOneVirtualPixelFromHandler)(const Image *,const VirtualPixelMethod,
52 const ssize_t,const ssize_t,PixelPacket *,ExceptionInfo *),
53 (*SyncAuthenticPixelsHandler)(Image *,ExceptionInfo *);
55 typedef const PixelPacket
56 *(*GetVirtualPixelHandler)(const Image *,const VirtualPixelMethod,
57 const ssize_t,const ssize_t,const size_t,const size_t,ExceptionInfo *),
58 *(*GetVirtualPixelsHandler)(const Image *);
61 *(*GetAuthenticPixelsHandler)(Image *,const ssize_t,const ssize_t,
62 const size_t,const size_t,ExceptionInfo *);
65 *(*GetAuthenticPixelsFromHandler)(const Image *);
68 *(*QueueAuthenticPixelsHandler)(Image *,const ssize_t,const ssize_t,
69 const size_t,const size_t,ExceptionInfo *);
72 (*DestroyPixelHandler)(Image *);
74 typedef struct _CacheMethods
76 GetVirtualPixelHandler
77 get_virtual_pixel_handler;
79 GetVirtualPixelsHandler
80 get_virtual_pixels_handler;
82 GetVirtualIndexesFromHandler
83 get_virtual_indexes_from_handler;
85 GetOneVirtualPixelFromHandler
86 get_one_virtual_pixel_from_handler;
88 GetAuthenticPixelsHandler
89 get_authentic_pixels_handler;
91 GetAuthenticIndexesFromHandler
92 get_authentic_indexes_from_handler;
94 GetOneAuthenticPixelFromHandler
95 get_one_authentic_pixel_from_handler;
97 GetAuthenticPixelsFromHandler
98 get_authentic_pixels_from_handler;
100 QueueAuthenticPixelsHandler
101 queue_authentic_pixels_handler;
103 SyncAuthenticPixelsHandler
104 sync_authentic_pixels_handler;
107 destroy_pixel_handler;
110 typedef struct _NexusInfo
113 typedef struct _CacheInfo
141 virtual_pixel_method;
159 active_index_channel;
165 filename[MaxTextExtent],
166 cache_filename[MaxTextExtent];
194 extern MagickExport Cache
195 AcquirePixelCache(const size_t),
196 ClonePixelCache(const Cache),
197 DestroyPixelCache(Cache),
198 ReferencePixelCache(Cache);
200 extern MagickExport CacheType
201 GetPixelCacheType(const Image *);
203 extern MagickExport ClassType
204 GetPixelCacheStorageClass(const Cache);
206 extern MagickExport ColorspaceType
207 GetPixelCacheColorspace(const Cache);
209 extern MagickExport const IndexPacket
210 *GetVirtualIndexesFromNexus(const Cache,NexusInfo *);
212 extern MagickExport const PixelPacket
213 *GetVirtualPixelsFromNexus(const Image *,const VirtualPixelMethod,
214 const ssize_t,const ssize_t,const size_t,const size_t,NexusInfo *,
216 *GetVirtualPixelsNexus(const Cache,NexusInfo *);
218 extern MagickExport IndexPacket
219 *GetPixelCacheNexusIndexes(const Cache,NexusInfo *);
221 extern MagickExport MagickBooleanType
222 SyncAuthenticPixelCacheNexus(Image *,NexusInfo *,ExceptionInfo *);
224 extern MagickExport MagickSizeType
225 GetPixelCacheNexusExtent(const Cache,NexusInfo *);
227 extern MagickExport NexusInfo
228 **AcquirePixelCacheNexus(const size_t),
229 **DestroyPixelCacheNexus(NexusInfo **,const size_t);
231 extern MagickExport PixelPacket
232 *GetAuthenticPixelCacheNexus(Image *,const ssize_t,const ssize_t,
233 const size_t,const size_t,NexusInfo *,ExceptionInfo *),
234 *GetPixelCacheNexusPixels(const Cache,NexusInfo *),
235 *QueueAuthenticNexus(Image *,const ssize_t,const ssize_t,const size_t,
236 const size_t,NexusInfo *,ExceptionInfo *);
238 extern MagickExport void
239 ClonePixelCacheMethods(Cache,const Cache),
240 GetPixelCacheTileSize(const Image *,size_t *,size_t *),
241 GetPixelCacheMethods(CacheMethods *),
242 SetPixelCacheMethods(Cache,CacheMethods *);
244 #if defined(__cplusplus) || defined(c_plusplus)