text: /*
    Copyright 1999-2015 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 histogram methods.
  */
  #ifndef _MAGICKCORE_HISTOGRAM_H
  #define _MAGICKCORE_HISTOGRAM_H
  
  #if defined(__cplusplus) || defined(c_plusplus)
  extern "C" {
  #endif
  
  typedef struct _ColorPacket
  {
    PixelPacket
      pixel;
  
    IndexPacket
      index;
  
    MagickSizeType
      count;
  } ColorPacket;
  
  extern MagickExport ColorPacket
    *GetImageHistogram(const Image *,size_t *,ExceptionInfo *);
  
  extern MagickExport Image
    *UniqueImageColors(const Image *,ExceptionInfo *);
  
  extern MagickExport MagickBooleanType
    IsHistogramImage(const Image *,ExceptionInfo *),
    IsPaletteImage(const Image *,ExceptionInfo *),
    MinMaxStretchImage(Image *,const ChannelType,const double,const double);
  
  extern MagickExport size_t
    GetNumberColors(const Image *,FILE *,ExceptionInfo *);
  
  #if defined(__cplusplus) || defined(c_plusplus)
  }
  #endif
  
  #endif
  