#ifndef _OTB_TRISKELE_XY_ATTRIBUTES_HPP
#define _OTB_TRISKELE_XY_ATTRIBUTES_HPP

#include <boost/chrono.hpp>

#include "triskeleBase.hpp"
#include "CompAttribute.hpp"
#include "Attributes/AreaAttributes.hpp"

namespace otb {
  namespace triskele {
    using namespace ::triskele;

    /*! Fonction non monotonne. */
    struct AverageXY {
      double x, y;
      inline AverageXY () : x(0), y(0) {}
      friend ostream &operator << (ostream& out, const AverageXY &xy) { return out << "(" << xy.x << ", " << xy.y << ")"; return out; }
      operator DimImg () const { return (DimImg) (x*y); }
    };

    class XYAttributes : public CompAttribute<AverageXY> {
    public:
      inline XYAttributes (const Tree &tree, const AreaAttributes &areaAttributes);
      inline ~XYAttributes ();
      virtual inline ostream &print (ostream &out) const { CompAttribute::print (out, "xy"); return out; }
    protected:
      inline void compute (const AreaAttributes &areaAttributes);
    };

#include "XYAttributes.tpp"
  } // triskele
} // otb

#endif // _OTB_TRISKELE_XY_ATTRIBUTES_HPP