2 Copyright 1999-2010 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 long,const long,
50 PixelPacket *,ExceptionInfo *),
51 (*GetOneVirtualPixelFromHandler)(const Image *,const VirtualPixelMethod,
52 const long,const long,PixelPacket *,ExceptionInfo *),
53 (*SyncAuthenticPixelsHandler)(Image *,ExceptionInfo *);
55 typedef const PixelPacket
56 *(*GetVirtualPixelHandler)(const Image *,const VirtualPixelMethod,const long,
57 const long,const unsigned long,const unsigned long,ExceptionInfo *),
58 *(*GetVirtualPixelsHandler)(const Image *);
61 *(*GetAuthenticPixelsHandler)(Image *,const long,const long,
62 const unsigned long,const unsigned long,ExceptionInfo *);
65 *(*GetAuthenticPixelsFromHandler)(const Image *);
68 *(*QueueAuthenticPixelsHandler)(Image *,const long,const long,
69 const unsigned long,const unsigned long,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 unsigned long),
196 ClonePixelCache(const Cache),
197 DestroyPixelCache(Cache),
198 GetImagePixelCache(Image *,const MagickBooleanType,ExceptionInfo *),
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);
210 extern MagickExport const IndexPacket
211 *GetVirtualIndexesFromNexus(const Cache,NexusInfo *);
213 extern MagickExport const PixelPacket
214 *GetVirtualPixelsFromNexus(const Image *,const VirtualPixelMethod,const long,
215 const long,const unsigned long,const unsigned long,NexusInfo *,
217 *GetVirtualPixelsNexus(const Cache,NexusInfo *);
219 extern MagickExport IndexPacket
220 *GetPixelCacheNexusIndexes(const Cache,NexusInfo *);
222 extern MagickExport MagickBooleanType
223 SyncAuthenticPixelCacheNexus(Image *,NexusInfo *,ExceptionInfo *);
225 extern MagickExport MagickSizeType
226 GetPixelCacheNexusExtent(const Cache,NexusInfo *);
228 extern MagickExport NexusInfo
229 **AcquirePixelCacheNexus(const unsigned long),
230 **DestroyPixelCacheNexus(NexusInfo **,const unsigned long);
232 extern MagickExport PixelPacket
233 *GetAuthenticPixelCacheNexus(Image *,const long,const long,
234 const unsigned long,const unsigned long,NexusInfo *,ExceptionInfo *),
235 *GetPixelCacheNexusPixels(const Cache,NexusInfo *),
236 *QueueAuthenticNexus(Image *,const long,const long,const unsigned long,
237 const unsigned long,NexusInfo *,ExceptionInfo *);
239 extern MagickExport void
240 ClonePixelCacheMethods(Cache,const Cache),
241 GetPixelCacheTileSize(const Image *,unsigned long *,unsigned long *),
242 GetPixelCacheMethods(CacheMethods *),
243 SetPixelCacheMethods(Cache,CacheMethods *);
245 #if defined(__cplusplus) || defined(c_plusplus)