text: /*
    Copyright 1999-2009 ImageMagick Studio LLC, a non-profit organization
    dedicated to making software imaging solutions freely available.
    
    You may not use this file except in compliance with the License.
    obtain a copy of the License at
    
      http://www.imagemagick.org/script/license.php
    
    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
  
    MagickCore cache view methods.
  */
  #ifndef _MAGICKCORE_CACHE_VIEW_H
  #define _MAGICKCORE_CACHE_VIEW_H
  
  #if defined(__cplusplus) || defined(c_plusplus)
  extern "C" {
  #endif
  
  #include "magick/pixel.h"
  
  typedef enum
  {
    UndefinedVirtualPixelMethod,
    BackgroundVirtualPixelMethod,
    ConstantVirtualPixelMethod,  /* deprecated */
    DitherVirtualPixelMethod,
    EdgeVirtualPixelMethod,
    MirrorVirtualPixelMethod,
    RandomVirtualPixelMethod,
    TileVirtualPixelMethod,
    TransparentVirtualPixelMethod,
    MaskVirtualPixelMethod,
    BlackVirtualPixelMethod,
    GrayVirtualPixelMethod,
    WhiteVirtualPixelMethod,
    HorizontalTileVirtualPixelMethod,
    VerticalTileVirtualPixelMethod
  } VirtualPixelMethod;
  
  typedef struct _ViewInfo
    ViewInfo;
  
  extern MagickExport ClassType
    GetCacheViewStorageClass(const ViewInfo *);
  
  extern MagickExport ColorspaceType
    GetCacheViewColorspace(const ViewInfo *);
  
  extern MagickExport const IndexPacket
    *GetCacheViewVirtualIndexQueue(const ViewInfo *);
  
  extern MagickExport const PixelPacket
    *GetCacheViewVirtualPixels(const ViewInfo *,const long,const long,
      const unsigned long,const unsigned long,ExceptionInfo *),
    *GetCacheViewVirtualPixelQueue(const ViewInfo *);
  
  extern MagickExport ExceptionInfo
    *GetCacheViewException(const ViewInfo *);
  
  extern MagickExport IndexPacket
    *GetCacheViewAuthenticIndexQueue(ViewInfo *);
  
  extern MagickExport MagickBooleanType
    GetOneCacheViewVirtualPixel(const ViewInfo *,const long,const long,
      PixelPacket *,ExceptionInfo *),
    GetOneCacheViewVirtualMethodPixel(const ViewInfo *,
      const VirtualPixelMethod,const long,const long,PixelPacket *,
      ExceptionInfo *),
    GetOneCacheViewAuthenticPixel(const ViewInfo *,const long,const long,
      PixelPacket *,ExceptionInfo *),
    SetCacheViewStorageClass(ViewInfo *,const ClassType),
    SetCacheViewVirtualPixelMethod(ViewInfo *,const VirtualPixelMethod),
    SyncCacheViewAuthenticPixels(ViewInfo *,ExceptionInfo *);
  
  extern MagickExport MagickSizeType
    GetCacheViewExtent(const ViewInfo *);
  
  extern MagickExport PixelPacket
    *GetCacheViewAuthenticPixelQueue(ViewInfo *),
    *GetCacheViewAuthenticPixels(ViewInfo *,const long,const long,
      const unsigned long,const unsigned long,ExceptionInfo *),
    *QueueCacheViewAuthenticPixels(ViewInfo *,const long,const long,
      const unsigned long,const unsigned long,ExceptionInfo *);
  
  extern MagickExport ViewInfo
    *AcquireCacheView(const Image *),
    *CloneCacheView(const ViewInfo *),
    *DestroyCacheView(ViewInfo *);
  
  #if defined(__cplusplus) || defined(c_plusplus)
  }
  #endif
  
  #endif
  