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
145 virtual_pixel_method;
166 filename[MaxTextExtent],
167 cache_filename[MaxTextExtent];
195 extern MagickExport Cache
196 AcquirePixelCache(const size_t),
197 ClonePixelCache(const Cache),
198 DestroyPixelCache(Cache),
199 ReferencePixelCache(Cache);
201 extern MagickExport CacheType
202 GetPixelCacheType(const Image *);
204 extern MagickExport ClassType
205 GetPixelCacheStorageClass(const Cache);
207 extern MagickExport ColorspaceType
208 GetPixelCacheColorspace(const Cache);
211 extern MagickExport const Quantum
212 *GetVirtualPixelsFromNexus(const Image *,const VirtualPixelMethod,
213 const ssize_t,const ssize_t,const size_t,const size_t,NexusInfo *,
215 *GetVirtualPixelsNexus(const Cache,NexusInfo *);
217 extern MagickExport const void
218 *GetVirtualMetacontentFromNexus(const Cache,NexusInfo *);
220 extern MagickExport MagickBooleanType
221 SyncAuthenticPixelCacheNexus(Image *,NexusInfo *,ExceptionInfo *);
223 extern MagickExport MagickSizeType
224 GetPixelCacheNexusExtent(const Cache,NexusInfo *);
226 extern MagickExport NexusInfo
227 **AcquirePixelCacheNexus(const size_t),
228 **DestroyPixelCacheNexus(NexusInfo **,const size_t);
230 extern MagickExport Quantum
231 *GetAuthenticPixelCacheNexus(Image *,const ssize_t,const ssize_t,
232 const size_t,const size_t,NexusInfo *,ExceptionInfo *),
233 *GetPixelCacheNexusPixels(const Cache,NexusInfo *),
234 *QueueAuthenticNexus(Image *,const ssize_t,const ssize_t,const size_t,
235 const size_t,NexusInfo *,ExceptionInfo *);
237 extern MagickExport size_t
238 GetPixelCacheChannels(const Cache);
240 extern MagickExport void
241 ClonePixelCacheMethods(Cache,const Cache),
242 GetPixelCacheTileSize(const Image *,size_t *,size_t *),
243 GetPixelCacheMethods(CacheMethods *),
244 SetPixelCacheMethods(Cache,CacheMethods *);
246 extern MagickExport void
247 *GetPixelCacheNexusMetacontent(const Cache,NexusInfo *);
249 #if defined(__cplusplus) || defined(c_plusplus)