#ifndef   gra_FeaturePointsMatch_H__
#define   gra_FeaturePointsMatch_H__

#include "FeaturePoint.h"

#include "../utility.h"
#include "../oo/ObjBase.h"

#include <cstdlib>

namespace meow {

typedef PairToPair<size_t, size_t, size_t, size_t> FeaturePointIndexPair ;
typedef std::vector<FeaturePointIndexPair>         FeaturePointIndexPairs;

template<class Scalar, class Description>
class FeaturePointsMatch: public ObjBase {
protected:
  FeaturePointsMatch() {
  }
public:
  typedef std::vector<FeaturePoint<Scalar, Description> > FeaturePoints;
  typedef std::vector<FeaturePoints                     > FeaturePointss;

  virtual ~FeaturePointsMatch() {
  }

  virtual FeaturePointIndexPairs match(size_t dimension,
                                       FeaturePoints const& from,
                                       FeaturePoints const& to) const = 0;

  virtual FeaturePointIndexPairs match(size_t dimension,
                                       FeaturePoints const& from,
                                       FeaturePointss const& to) const = 0;

  virtual FeaturePointIndexPairs match(size_t dimension,
                                       FeaturePointss const& from,
                                       FeaturePointss const& to) const = 0;
  
  virtual FeaturePointIndexPairs match(size_t dimension,
                                       FeaturePointss const& fpss) const = 0;
};

} // meow

#endif // gra_FeaturePointsMatch_H__