/**
* @brief Class which represents a generic RS selection.
* @author Eric Bach
* @date 03/05/12
*/

#ifndef _NICE_OBJREC_SEGMENTATIONSELECTION_INCLUDE
#define _NICE_OBJREC_SEGMENTATIONSELECTION_INCLUDE

#include <segmentation/RegionSegmentationMethod.h>
#include <segmentation/RSMarkovCluster.h>
#include <segmentation/RSMeanShift.h>
#include <segmentation/RSSlic.h>
#include <segmentation/RSGraphBased.h>
#include <segmentation/RSCache.h>

namespace OBJREC
{
class GenericRegionSegmentationMethodSelection
{
  public:
    /**
    * @brief Return an instance of the segmentation method which has been defined in [segmenatation]:methode using conf.
    * @return RegionSegmentationMethod*, if methode is defined; NULL, else
    */
    
    static RegionSegmentationMethod*
    selectRegionSegmentationMethod(const NICE::Config* conf, const std::string& methode)
    {
      RegionSegmentationMethod* segmentationAlgo = NULL;

      if (methode == "MarkovCluster")
      {
        segmentationAlgo = new RSMarkovCluster(conf);
      }
      else if (methode == "GraphBased")
      {
        segmentationAlgo = new RSGraphBased(conf);
      }
      else if (methode == "MeanShift")
      {
        segmentationAlgo = new RSMeanShift(conf);
      }
      else if (methode == "SLIC")
      {
        segmentationAlgo = new RSSlic(conf);
      }

      if ( segmentationAlgo == NULL )
      {
        fthrow(NICE::Exception, "Region Segmentation Method not found: " << methode );
        return segmentationAlgo;
      }

      return segmentationAlgo;
    };
};
}

#endif