2 Copyright 1999-2012 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 Quantum *,ExceptionInfo *),
45 (*GetOneVirtualPixelFromHandler)(const Image *,const VirtualPixelMethod,
46 const ssize_t,const ssize_t,Quantum *,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
133 channel_map[MaxPixelChannels];
151 virtual_pixel_method;
172 filename[MaxTextExtent],
173 cache_filename[MaxTextExtent];
201 extern MagickPrivate Cache
202 AcquirePixelCache(const size_t),
203 ClonePixelCache(const Cache),
204 DestroyPixelCache(Cache),
205 ReferencePixelCache(Cache);
207 extern MagickPrivate CacheType
208 GetPixelCacheType(const Image *);
210 extern MagickPrivate ClassType
211 GetPixelCacheStorageClass(const Cache);
213 extern MagickPrivate ColorspaceType
214 GetPixelCacheColorspace(const Cache);
216 extern MagickPrivate const Quantum
217 *GetVirtualPixelsFromNexus(const Image *,const VirtualPixelMethod,
218 const ssize_t,const ssize_t,const size_t,const size_t,NexusInfo *,
220 *GetVirtualPixelsNexus(const Cache,NexusInfo *);
222 extern MagickPrivate const void
223 *AcquirePixelCachePixels(const Image *,MagickSizeType *,ExceptionInfo *),
224 *GetVirtualMetacontentFromNexus(const Cache,NexusInfo *);
226 extern MagickPrivate MagickBooleanType
227 CacheComponentGenesis(void),
228 SyncAuthenticPixelCacheNexus(Image *,NexusInfo *,ExceptionInfo *),
229 SyncImagePixelCache(Image *,ExceptionInfo *);
231 extern MagickPrivate MagickSizeType
232 GetPixelCacheNexusExtent(const Cache,NexusInfo *);
234 extern MagickPrivate NexusInfo
235 **AcquirePixelCacheNexus(const size_t),
236 **DestroyPixelCacheNexus(NexusInfo **,const size_t);
238 extern MagickPrivate Quantum
239 *GetAuthenticPixelCacheNexus(Image *,const ssize_t,const ssize_t,
240 const size_t,const size_t,NexusInfo *,ExceptionInfo *),
241 *GetPixelCacheNexusPixels(const Cache,NexusInfo *),
242 *QueueAuthenticPixelCacheNexus(Image *,const ssize_t,const ssize_t,
243 const size_t,const size_t,const MagickBooleanType,NexusInfo *,
246 extern MagickPrivate size_t
247 GetPixelCacheChannels(const Cache);
249 extern MagickPrivate VirtualPixelMethod
250 GetPixelCacheVirtualMethod(const Image *),
251 SetPixelCacheVirtualMethod(const Image *,const VirtualPixelMethod);
253 extern MagickPrivate void
254 CacheComponentTerminus(void),
255 ClonePixelCacheMethods(Cache,const Cache),
256 *GetPixelCacheNexusMetacontent(const Cache,NexusInfo *),
257 *GetPixelCachePixels(Image *,MagickSizeType *,ExceptionInfo *),
258 GetPixelCacheTileSize(const Image *,size_t *,size_t *),
259 GetPixelCacheMethods(CacheMethods *),
260 SetPixelCacheMethods(Cache,CacheMethods *);
262 #if defined(__cplusplus) || defined(c_plusplus)