text: /*
    Copyright 1999-2012 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 feature methods.
  */
  #ifndef _MAGICKCORE_FEATURE_H
  #define _MAGICKCORE_FEATURE_H
  
  #if defined(__cplusplus) || defined(c_plusplus)
  extern "C" {
  #endif
  
  /*
    Haralick texture features.
  */
  typedef struct _ChannelFeatures
  {
    double
      angular_second_moment[4],
      contrast[4],
      correlation[4],
      variance_sum_of_squares[4],
      inverse_difference_moment[4],
      sum_average[4],
      sum_variance[4],
      sum_entropy[4],
      entropy[4],
      difference_variance[4],
      difference_entropy[4],
      measure_of_correlation_1[4],
      measure_of_correlation_2[4],
      maximum_correlation_coefficient[4];
  } ChannelFeatures;
  
  extern MagickExport ChannelFeatures
    *GetImageChannelFeatures(const Image *,const size_t,ExceptionInfo *);
  
  #if defined(__cplusplus) || defined(c_plusplus)
  }
  #endif
  
  #endif
  