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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 CONDITTransferNS 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 image view methods.
     17 */
     18 #ifndef MAGICKCORE_IMAGE_VIEW_H
     19 #define MAGICKCORE_IMAGE_VIEW_H
     20 
     21 #if defined(__cplusplus) || defined(c_plusplus)
     22 extern "C" {
     23 #endif
     24 
     25 typedef struct _ImageView
     26   ImageView;
     27 
     28 typedef MagickBooleanType
     29   (*DuplexTransferImageViewMethod)(const ImageView *,const ImageView *,
     30     ImageView *,const ssize_t,const int,void *),
     31   (*GetImageViewMethod)(const ImageView *,const ssize_t,const int,void *),
     32   (*SetImageViewMethod)(ImageView *,const ssize_t,const int,void *),
     33   (*TransferImageViewMethod)(const ImageView *,ImageView *,const ssize_t,
     34     const int,void *),
     35   (*UpdateImageViewMethod)(ImageView *,const ssize_t,const int,void *);
     36 
     37 extern MagickExport char
     38   *GetImageViewException(const ImageView *,ExceptionType *);
     39 
     40 extern MagickExport const Quantum
     41   *GetImageViewVirtualPixels(const ImageView *);
     42 
     43 extern MagickExport const void
     44   *GetImageViewVirtualMetacontent(const ImageView *);
     45 
     46 extern MagickExport Image
     47   *GetImageViewImage(const ImageView *);
     48 
     49 extern MagickExport ImageView
     50   *CloneImageView(const ImageView *),
     51   *DestroyImageView(ImageView *),
     52   *NewImageView(Image *,ExceptionInfo *),
     53   *NewImageViewRegion(Image *,const ssize_t,const ssize_t,const size_t,
     54     const size_t,ExceptionInfo *);
     55 
     56 extern MagickExport MagickBooleanType
     57   DuplexTransferImageViewIterator(ImageView *,ImageView *,ImageView *,
     58     DuplexTransferImageViewMethod,void *),
     59   GetImageViewIterator(ImageView *,GetImageViewMethod,void *),
     60   IsImageView(const ImageView *),
     61   SetImageViewIterator(ImageView *,SetImageViewMethod,void *),
     62   TransferImageViewIterator(ImageView *,ImageView *,TransferImageViewMethod,
     63     void *),
     64   UpdateImageViewIterator(ImageView *,UpdateImageViewMethod,void *);
     65 
     66 extern MagickExport Quantum
     67   *GetImageViewAuthenticPixels(const ImageView *);
     68 
     69 extern MagickExport RectangleInfo
     70   GetImageViewExtent(const ImageView *);
     71 
     72 extern MagickExport void
     73   SetImageViewDescription(ImageView *,const char *),
     74   SetImageViewThreads(ImageView *,const size_t);
     75 
     76 extern MagickExport void
     77   *GetImageViewAuthenticMetacontent(const ImageView *);
     78 
     79 #if defined(__cplusplus) || defined(c_plusplus)
     80 }
     81 #endif
     82 
     83 #endif
     84