substracter.hpp

 /* $Id$ */

#ifndef _SUBSTRACTER_HPP
#define _SUBSTRACTER_HPP

#include "kernel/jafarException.hpp"
#include "jmath/jblas.hpp"
#include "image/Image.hpp"
#include "datareader/DataReader.hpp"

namespace jafar {
  
  namespace cutter {

    class Substracter {
    private :
      jafar::image::Image emptyImg, filledImg, maskImg, objectImg;

    protected :
      jafar::image::Image computeDifferenceImg();
      void computeMaskImgOnGray(const jafar::image::Image& img,
                                const float &threshold);
      void computeMaskImgOnColor(const jafar::image::Image& img,
                                 const float &threshold);
      void computeObjectImg();

    public :
      Substracter();
      Substracter(const jafar::image::Image& _emptyImg, 
      const jafar::image::Image& _filledImg);
      ~Substracter();
      void setEmptyImg(const jafar::image::Image& img);
      void setFilledImg(const jafar::image::Image& img);
      jafar::image::Image getMaskImg();
      jafar::image::Image getObjectImg();
      bool loadEmptyImg(const char* fileName);
      bool loadFilledImg(const char* fileName);
      void extractObjectOnImage(const float &threshold=250);
      void extractObjectOnImage(const JfrImage_TypeColorSpace& cs,
                                const float& threshold=250);
      void saveObjectImg(const char *fileName, 
                         const char *imgName);
      void convertObjectImg(const JfrImage_TypeColorSpace& cs = JfrImage_CS_GRAY);
    };//class Substracter

  }//namespace cutter

}//namespace jafar

#endif