/*
 * BoundaryLineSet.hpp
 *
 *  Created on: Jul 29, 2010
 *      Author: heber
 */

#ifndef BOUNDARYLINESET_HPP_
#define BOUNDARYLINESET_HPP_

// include config.h
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif


#include "BoundaryMaps.hpp"

#include <iostream>
#include <map>

class BoundaryLineSet;
class BoundaryPointSet;
class BoundaryTriangleSet;

class BoundaryLineSet {
  public:
    BoundaryLineSet();
    BoundaryLineSet(BoundaryPointSet * const Point[2], const int number);
    BoundaryLineSet(BoundaryPointSet * const Point1, BoundaryPointSet * const Point2, const int number);
    ~BoundaryLineSet();

    void AddTriangle(BoundaryTriangleSet * const triangle);
    bool IsConnectedTo(const BoundaryLineSet * const line) const;
    bool ContainsBoundaryPoint(const BoundaryPointSet * const point) const;
    bool CheckConvexityCriterion() const;
    double CalculateConvexity() const;
    class BoundaryPointSet *GetOtherEndpoint(const BoundaryPointSet * const point) const;
    class BoundaryTriangleSet *GetOtherTriangle(const BoundaryTriangleSet * const triangle) const;

    class BoundaryPointSet *endpoints[2];
    TriangleMap triangles;
    int Nr;
    bool skipped;
};

std::ostream & operator << (std::ostream &ost, const BoundaryLineSet &a);

template <typename T> void SetEndpointsOrdered(T endpoints[2], T endpoint1, T endpoint2)
{
  if (endpoint1->Nr < endpoint2->Nr) {
    endpoints[0] = endpoint1;
    endpoints[1] = endpoint2;
  } else {
    endpoints[0] = endpoint2;
    endpoints[1] = endpoint1;
  }
};

#endif /* BOUNDARYLINESET_HPP_ */