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 "MagickCore/random_.h"
27 #include "MagickCore/thread-private.h"
28 #include "MagickCore/semaphore.h"
42 typedef MagickBooleanType
43 (*GetOneAuthenticPixelFromHandler)(Image *,const ssize_t,const ssize_t,
44 PixelPacket *,ExceptionInfo *),
45 (*GetOneVirtualPixelFromHandler)(const Image *,const VirtualPixelMethod,
46 const ssize_t,const ssize_t,PixelPacket *,ExceptionInfo *),
47 (*SyncAuthenticPixelsHandler)(Image *,ExceptionInfo *);
50 *(*GetVirtualPixelHandler)(const Image *,const VirtualPixelMethod,
51 const ssize_t,const ssize_t,const size_t,const size_t,ExceptionInfo *),
52 *(*GetVirtualPixelsHandler)(const Image *);
55 *(*GetVirtualMetacontentFromHandler)(const Image *);
58 *(*GetAuthenticPixelsHandler)(Image *,const ssize_t,const ssize_t,
59 const size_t,const size_t,ExceptionInfo *);
62 *(*GetAuthenticPixelsFromHandler)(const Image *);
65 *(*QueueAuthenticPixelsHandler)(Image *,const ssize_t,const ssize_t,
66 const size_t,const size_t,ExceptionInfo *);
69 (*DestroyPixelHandler)(Image *);
72 *(*GetAuthenticMetacontentFromHandler)(const Image *);
74 typedef struct _CacheMethods
76 GetVirtualPixelHandler
77 get_virtual_pixel_handler;
79 GetVirtualPixelsHandler
80 get_virtual_pixels_handler;
82 GetVirtualMetacontentFromHandler
83 get_virtual_metacontent_from_handler;
85 GetOneVirtualPixelFromHandler
86 get_one_virtual_pixel_from_handler;
88 GetAuthenticPixelsHandler
89 get_authentic_pixels_handler;
91 GetAuthenticMetacontentFromHandler
92 get_authentic_metacontent_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
148 virtual_pixel_method;
169 filename[MaxTextExtent],
170 cache_filename[MaxTextExtent];
198 extern MagickExport Cache
199 AcquirePixelCache(const size_t),
200 ClonePixelCache(const Cache),
201 DestroyPixelCache(Cache),
202 ReferencePixelCache(Cache);
204 extern MagickExport CacheType
205 GetPixelCacheType(const Image *);
207 extern MagickExport ClassType
208 GetPixelCacheStorageClass(const Cache);
210 extern MagickExport ColorspaceType
211 GetPixelCacheColorspace(const Cache);
214 extern MagickExport const Quantum
215 *GetVirtualPixelsFromNexus(const Image *,const VirtualPixelMethod,
216 const ssize_t,const ssize_t,const size_t,const size_t,NexusInfo *,
218 *GetVirtualPixelsNexus(const Cache,NexusInfo *);
220 extern MagickExport const void
221 *GetVirtualMetacontentFromNexus(const Cache,NexusInfo *);
223 extern MagickExport MagickBooleanType
224 SyncAuthenticPixelCacheNexus(Image *,NexusInfo *,ExceptionInfo *);
226 extern MagickExport MagickSizeType
227 GetPixelCacheNexusExtent(const Cache,NexusInfo *);
229 extern MagickExport NexusInfo
230 **AcquirePixelCacheNexus(const size_t),
231 **DestroyPixelCacheNexus(NexusInfo **,const size_t);
233 extern MagickExport Quantum
234 *GetAuthenticPixelCacheNexus(Image *,const ssize_t,const ssize_t,
235 const size_t,const size_t,NexusInfo *,ExceptionInfo *),
236 *GetPixelCacheNexusPixels(const Cache,NexusInfo *),
237 *QueueAuthenticNexus(Image *,const ssize_t,const ssize_t,const size_t,
238 const size_t,NexusInfo *,ExceptionInfo *);
240 extern MagickExport size_t
241 GetPixelCacheChannels(const Cache);
243 extern MagickExport void
244 ClonePixelCacheMethods(Cache,const Cache),
245 GetPixelCacheTileSize(const Image *,size_t *,size_t *),
246 GetPixelCacheMethods(CacheMethods *),
247 SetPixelCacheMethods(Cache,CacheMethods *);
249 extern MagickExport void
250 *GetPixelCacheNexusMetacontent(const Cache,NexusInfo *);
252 #if defined(__cplusplus) || defined(c_plusplus)