/**
 * @file RegionSegmentationMethod.h
 * @brief abstract interface for region segmantation
 * @author Björn Fröhlich
 * @date 05/05/2009
 */
#ifndef REGIONSEGMENTATIONMETHOD
#define REGIONSEGMENTATIONMETHOD

#include "core/basics/Config.h"

#undef DEBUGRS

#include "RegionGraph.h"


namespace OBJREC {

class RegionSegmentationMethod
{

  protected:
    const NICE::Config *conf;

  public:

    /** simple constructor */
    RegionSegmentationMethod();

    /** simple constructor */
    RegionSegmentationMethod(const NICE::Config *c );

    /** simple destructor */
    ~RegionSegmentationMethod();

    /**
     * returns the regions of a given image
     * @param img input image
     * @param mask output regions, each region has it own number
     * @return count of region
     */
    virtual int segRegions ( const NICE::Image & img, NICE::Matrix & mask ) const = 0;

    /**
     * returns the regions of a given image
     * @param img input color image
     * @param mask output regions, each region has it own number
     * @return count of region
     */
    virtual int segRegions ( const NICE::ColorImage & cimg, NICE::Matrix & mask) const;

    /**
     * transform a segmented color image in a grayimage, where each region has its own label
     * @param img input image
     * @param mask output mask
     * @return count of regions
     */
    int transformSegmentedImg( const NICE::ColorImage & img, NICE::Matrix & mask) const;

    /**
     * get the Graph representation of an segmentationa
     * @param cimg input color image
     * @param mask result mask of the regions
     * @param rg graph representation
     */
    void getGraphRepresentation(const NICE::ColorImage & cimg, NICE::Matrix & mask, RegionGraph & rg);
    
    
    /**
     * @brief mark contours with given segmentation
     *
     * @param cimg input image
     * @param mask result segmentation
     * @param color RGB values of marking color
     * @param marked resultimage
     * @return void
     **/
    void markContours ( const NICE::ColorImage & cimg, NICE::Matrix & mask, std::vector<int> &color, NICE::ColorImage &marked );

    /**
     * visualize the graph representation
     * @param cimg input color image
     * @param mask result mask of the regions
     */
    void visualizeGraphRepresentation(const NICE::ColorImage & cimg, NICE::Matrix & mask);
};


} // namespace

#endif