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HxPolyline2d.h

/*
 *  Copyright (c) 2000, University of Amsterdam, The Netherlands.
 *  All rights reserved.
 *
 *
 *  Author(s):
 *  Dennis Koelma (koelma@wins.uva.nl)
 */

#ifndef HxPolyline2d_h
#define HxPolyline2d_h

#include "HxPointSetR2.h"

class HxPolyline2d
{
public:
                        HxPolyline2d();

                        HxPolyline2d(const HxPointSetR2& v, int close);

                        HxPolyline2d(double* px, double* py, int np, int close);

                        ~HxPolyline2d();


    int                 ident() const;

    HxPointSetR2        getPoints() const;

    int                 getClosed() const;

    int                 getNrPoints() const;

    HxPointR2           getPoint(int index) const;

    void                getPoints(double* px, double* py) const;

    STD_OSTREAM&        put(STD_OSTREAM&) const;

private:
    int                 _ident;
    HxPointSetR2        _points;
    int                 _closed;

    static int          _nr;
};

inline STD_OSTREAM&
operator<<(STD_OSTREAM& os, const HxPolyline2d p)
{
    return p.put(os);
}

inline
HxPolyline2d::HxPolyline2d()
{
    _ident = _nr++;
}

inline
HxPolyline2d::HxPolyline2d(const HxPointSetR2& v, int close) :
    _points(v), _closed(close)
{
    _ident = _nr++;
}

inline
HxPolyline2d::HxPolyline2d(double* px, double* py, int np, int close)
{
    for (int i=0 ; i<np ; i++)
        _points.push_back(HxPointR2(*px++, *py++));
    _closed = close;
    _ident = _nr++;
}

inline
HxPolyline2d::~HxPolyline2d()
{
}

inline int
HxPolyline2d::ident() const
{
    return _ident;
}

inline HxPointSetR2
HxPolyline2d::getPoints() const
{
    return _points;
}

inline int
HxPolyline2d::getClosed() const
{
    return _closed;
}

inline int
HxPolyline2d::getNrPoints() const
{
    return _points.size();
}

inline HxPointR2
HxPolyline2d::getPoint(int index) const
{
    return _points[index];
}

inline HxString
makeString(const HxPolyline2d& p)
{
    return HxString("HxPolyline2d") + makeString(p.ident());
}

#endif

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