point-ref.h

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// Copyright 2007, Massachusetts Institute of Technology.
// The use of this code is permitted for research only. There is
// absolutely no warranty for this software.
//
// Author: John Lee (jjl@mit.edu)
//

#ifndef POINT_SET_POINT_REF_H
#define POINT_SET_POINT_REF_H

#include "point_set/point-set-list.h"
#include "point_set/point.h"

namespace libpmk {

class PointSetList;


class PointRef {
public:
  PointRef(const PointSetList* data, int point_index);

  PointRef(const PointSetList* data, int which_point_set, int which_point);


  PointRef(const PointSetList* data, int point_index,
           int which_point_set, int which_point);

  PointRef(const PointRef& other);

  const Point& point() const;


  int which_point_set() const;


  int which_point() const;

  int point_index() const;

private:
  const PointSetList* data_;

  // References a particular point.
  int point_index_;

  // These two variables combined also reference a particular point,
  // but we store both representations for ease of use.
  int which_point_set_;
  int which_point_;
};
}  // namespace libpmk

#endif  // POINT_SET_POINT_REF_H

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