cache-view.h

/*
  Copyright 1999 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.  You may
  obtain a copy of the License at
  
    https://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
 
#include "magick/pixel.h"
 
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
 
typedef enum
{
  UndefinedVirtualPixelMethod,
  BackgroundVirtualPixelMethod,
  ConstantVirtualPixelMethod,  /* deprecated */
  DitherVirtualPixelMethod,
  EdgeVirtualPixelMethod,
  MirrorVirtualPixelMethod,
  RandomVirtualPixelMethod,
  TileVirtualPixelMethod,
  TransparentVirtualPixelMethod,
  MaskVirtualPixelMethod,
  BlackVirtualPixelMethod,
  GrayVirtualPixelMethod,
  WhiteVirtualPixelMethod,
  HorizontalTileVirtualPixelMethod,
  VerticalTileVirtualPixelMethod,
  HorizontalTileEdgeVirtualPixelMethod,
  VerticalTileEdgeVirtualPixelMethod,
  CheckerTileVirtualPixelMethod
} VirtualPixelMethod;
 
typedef struct _CacheView
  CacheView;
 
extern MagickExport CacheView
  *AcquireAuthenticCacheView(const Image *,ExceptionInfo *),
  *AcquireCacheView(const Image *),
  *AcquireVirtualCacheView(const Image *,ExceptionInfo *),
  *CloneCacheView(const CacheView *),
  *DestroyCacheView(CacheView *);
 
extern MagickExport ClassType
  GetCacheViewStorageClass(const CacheView *) magick_attribute((__pure__));
 
extern MagickExport ColorspaceType
  GetCacheViewColorspace(const CacheView *) magick_attribute((__pure__));
 
extern MagickExport const IndexPacket
  *GetCacheViewVirtualIndexQueue(const CacheView *)
    magick_attribute((__pure__));
 
extern MagickExport const PixelPacket
  *GetCacheViewVirtualPixels(const CacheView *,const ssize_t,const ssize_t,
    const size_t,const size_t,ExceptionInfo *) magick_hot_spot,
  *GetCacheViewVirtualPixelQueue(const CacheView *) magick_hot_spot;
 
extern MagickExport ExceptionInfo
  *GetCacheViewException(const CacheView *) magick_attribute((__pure__));
 
extern MagickExport IndexPacket
  *GetCacheViewAuthenticIndexQueue(CacheView *) magick_attribute((__pure__));
 
extern MagickExport MagickBooleanType
  GetOneCacheViewAuthenticPixel(const CacheView *magick_restrict,const ssize_t,
    const ssize_t,PixelPacket *magick_restrict,ExceptionInfo *),
  GetOneCacheViewVirtualMethodPixel(const CacheView *,
    const VirtualPixelMethod,const ssize_t,const ssize_t,PixelPacket *,
    ExceptionInfo *),
  GetOneCacheViewVirtualPixel(const CacheView *magick_restrict,const ssize_t,
    const ssize_t,PixelPacket *magick_restrict,ExceptionInfo *),
  SetCacheViewStorageClass(CacheView *,const ClassType),
  SetCacheViewVirtualPixelMethod(CacheView *magick_restrict,
    const VirtualPixelMethod),
  SyncCacheViewAuthenticPixels(CacheView *magick_restrict,ExceptionInfo *)
    magick_hot_spot;
 
extern MagickExport MagickSizeType
  GetCacheViewExtent(const CacheView *);
 
extern MagickExport size_t
  GetCacheViewChannels(const CacheView *);
 
extern MagickExport PixelPacket
  *GetCacheViewAuthenticPixelQueue(CacheView *) magick_hot_spot,
  *GetCacheViewAuthenticPixels(CacheView *,const ssize_t,const ssize_t,
    const size_t,const size_t,ExceptionInfo *) magick_hot_spot,
  *QueueCacheViewAuthenticPixels(CacheView *,const ssize_t,const ssize_t,
    const size_t,const size_t,ExceptionInfo *) magick_hot_spot;
 
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
 
#endif