MagickCore: cache-view.h Source File

00001 /*
00002   Copyright 1999-2008 ImageMagick Studio LLC, a non-profit organization
00003   dedicated to making software imaging solutions freely available.
00004   
00005   You may not use this file except in compliance with the License.
00006   obtain a copy of the License at
00007   
00008     http://www.imagemagick.org/script/license.php
00009   
00010   Unless required by applicable law or agreed to in writing, software
00011   distributed under the License is distributed on an "AS IS" BASIS,
00012   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013   See the License for the specific language governing permissions and
00014   limitations under the License.
00015 
00016   MagickCore cache view methods.
00017 */
00018 #ifndef _MAGICKCORE_CACHE_VIEW_H
00019 #define _MAGICKCORE_CACHE_VIEW_H
00020 
00021 #if defined(__cplusplus) || defined(c_plusplus)
00022 extern "C" {
00023 #endif
00024 
00025 #include "magick/pixel.h"
00026 
00027 typedef enum
00028 {
00029   UndefinedVirtualPixelMethod,
00030   BackgroundVirtualPixelMethod,
00031   ConstantVirtualPixelMethod,  /* deprecated */
00032   DitherVirtualPixelMethod,
00033   EdgeVirtualPixelMethod,
00034   MirrorVirtualPixelMethod,
00035   RandomVirtualPixelMethod,
00036   TileVirtualPixelMethod,
00037   TransparentVirtualPixelMethod,
00038   MaskVirtualPixelMethod,
00039   BlackVirtualPixelMethod,
00040   GrayVirtualPixelMethod,
00041   WhiteVirtualPixelMethod
00042 } VirtualPixelMethod;
00043 
00044 typedef struct _ViewInfo
00045   ViewInfo;
00046 
00047 extern MagickExport const PixelPacket
00048   *AcquireCacheViewPixels(const ViewInfo *,const long,const long,
00049     const unsigned long,const unsigned long,ExceptionInfo *);
00050 
00051 extern MagickExport ClassType
00052   GetCacheViewStorageClass(const ViewInfo *);
00053 
00054 extern MagickExport ColorspaceType
00055   GetCacheViewColorspace(const ViewInfo *);
00056 
00057 extern MagickExport const IndexPacket
00058   *AcquireCacheViewIndexes(const ViewInfo *);
00059 
00060 extern MagickExport ExceptionInfo
00061   *GetCacheViewException(const ViewInfo *);
00062 
00063 extern MagickExport IndexPacket
00064   *GetCacheViewIndexes(const ViewInfo *);
00065 
00066 extern MagickExport MagickBooleanType
00067   SetCacheViewStorageClass(ViewInfo *,const ClassType),
00068   SetCacheViewVirtualPixelMethod(ViewInfo *,const VirtualPixelMethod),
00069   SyncCacheView(ViewInfo *);
00070 
00071 extern MagickExport PixelPacket
00072   AcquireOneCacheViewPixel(const ViewInfo *,const long,const long,
00073     ExceptionInfo *),
00074   *GetCacheViewPixels(ViewInfo *,const long,const long,const unsigned long,
00075     const unsigned long),
00076   GetOneCacheViewPixel(const ViewInfo *,const long,const long),
00077   *SetCacheView(ViewInfo *,const long,const long,const unsigned long,
00078     const unsigned long);
00079 
00080 extern MagickExport ViewInfo
00081   *CloseCacheView(ViewInfo *),
00082   *CloneCacheView(const ViewInfo *),
00083   *OpenCacheView(const Image *);
00084 
00085 #if defined(__cplusplus) || defined(c_plusplus)
00086 }
00087 #endif
00088 
00089 #endif