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      1 /*
      2   Copyright 1999-2016 ImageMagick Studio LLC, a non-profit organization
      3   dedicated to making software imaging solutions freely available.
      4 
      5   You may not use this file except in compliance with the License.
      6   obtain a copy of the License at
      7 
      8     http://www.imagemagick.org/script/license.php
      9 
     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.
     15 
     16   MagickCore cache view methods.
     17 */
     18 #ifndef MAGICKCORE_CACHE_VIEW_H
     19 #define MAGICKCORE_CACHE_VIEW_H
     20 
     21 #include "MagickCore/pixel.h"
     22 
     23 #if defined(__cplusplus) || defined(c_plusplus)
     24 extern "C" {
     25 #endif
     26 
     27 typedef enum
     28 {
     29   UndefinedVirtualPixelMethod,
     30   BackgroundVirtualPixelMethod,
     31   DitherVirtualPixelMethod,
     32   EdgeVirtualPixelMethod,
     33   MirrorVirtualPixelMethod,
     34   RandomVirtualPixelMethod,
     35   TileVirtualPixelMethod,
     36   TransparentVirtualPixelMethod,
     37   MaskVirtualPixelMethod,
     38   BlackVirtualPixelMethod,
     39   GrayVirtualPixelMethod,
     40   WhiteVirtualPixelMethod,
     41   HorizontalTileVirtualPixelMethod,
     42   VerticalTileVirtualPixelMethod,
     43   HorizontalTileEdgeVirtualPixelMethod,
     44   VerticalTileEdgeVirtualPixelMethod,
     45   CheckerTileVirtualPixelMethod
     46 } VirtualPixelMethod;
     47 
     48 typedef struct _CacheView
     49   CacheView;
     50 
     51 extern MagickExport CacheView
     52   *AcquireAuthenticCacheView(const Image *,ExceptionInfo *),
     53   *AcquireVirtualCacheView(const Image *,ExceptionInfo *),
     54   *CloneCacheView(const CacheView *),
     55   *DestroyCacheView(CacheView *);
     56 
     57 extern MagickExport ClassType
     58   GetCacheViewStorageClass(const CacheView *);
     59 
     60 extern MagickExport ColorspaceType
     61   GetCacheViewColorspace(const CacheView *);
     62 
     63 extern MagickExport const Image
     64   *GetCacheViewImage(const CacheView *);
     65 
     66 extern MagickExport const Quantum
     67   *GetCacheViewVirtualPixels(const CacheView *,const ssize_t,const ssize_t,
     68     const size_t,const size_t,ExceptionInfo *) magick_hot_spot,
     69   *GetCacheViewVirtualPixelQueue(const CacheView *) magick_hot_spot;
     70 
     71 extern MagickExport const void
     72   *GetCacheViewVirtualMetacontent(const CacheView *);
     73 
     74 extern MagickExport MagickBooleanType
     75   GetOneCacheViewAuthenticPixel(const CacheView *,const ssize_t,const ssize_t,
     76     Quantum *,ExceptionInfo *),
     77   GetOneCacheViewVirtualMethodPixel(const CacheView *,const VirtualPixelMethod,
     78     const ssize_t,const ssize_t,Quantum *,ExceptionInfo *),
     79   GetOneCacheViewVirtualPixel(const CacheView *,const ssize_t,const ssize_t,
     80     Quantum *,ExceptionInfo *),
     81   GetOneCacheViewVirtualPixelInfo(const CacheView *,const ssize_t,const ssize_t,
     82     PixelInfo *,ExceptionInfo *),
     83   SetCacheViewStorageClass(CacheView *,const ClassType,ExceptionInfo *),
     84   SetCacheViewVirtualPixelMethod(CacheView *magick_restrict,
     85     const VirtualPixelMethod),
     86   SyncCacheViewAuthenticPixels(CacheView *magick_restrict,ExceptionInfo *)
     87     magick_hot_spot;
     88 
     89 extern MagickExport MagickSizeType
     90   GetCacheViewExtent(const CacheView *);
     91 
     92 extern MagickExport Quantum
     93   *GetCacheViewAuthenticPixelQueue(CacheView *) magick_hot_spot,
     94   *GetCacheViewAuthenticPixels(CacheView *,const ssize_t,const ssize_t,
     95     const size_t,const size_t,ExceptionInfo *) magick_hot_spot,
     96   *QueueCacheViewAuthenticPixels(CacheView *,const ssize_t,const ssize_t,
     97     const size_t,const size_t,ExceptionInfo *) magick_hot_spot;
     98 
     99 extern MagickExport void
    100   *GetCacheViewAuthenticMetacontent(CacheView *);
    101 
    102 #if defined(__cplusplus) || defined(c_plusplus)
    103 }
    104 #endif
    105 
    106 #endif
    107