124 lines
3.1 KiB
C++
Executable File
124 lines
3.1 KiB
C++
Executable File
// Copyright (c) 1999, 2016
|
|
// Utrecht University (The Netherlands),
|
|
// ETH Zurich (Switzerland),
|
|
// INRIA Sophia-Antipolis (France),
|
|
// Max-Planck-Institute Saarbruecken (Germany),
|
|
// and Tel-Aviv University (Israel). All rights reserved.
|
|
//
|
|
// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
|
|
// modify it under the terms of the GNU Lesser General Public License as
|
|
// published by the Free Software Foundation; either version 3 of the License,
|
|
// or (at your option) any later version.
|
|
//
|
|
// Licensees holding a valid commercial license may use this file in
|
|
// accordance with the commercial license agreement provided with the software.
|
|
//
|
|
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
|
|
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
|
//
|
|
// $URL$
|
|
// $Id$
|
|
// SPDX-License-Identifier: LGPL-3.0+
|
|
//
|
|
// Author(s) : Mariette Yvinec
|
|
// Sylvain Pion
|
|
|
|
#ifndef CGAL_CARTESIAN_WEIGHTED_POINT_2_H
|
|
#define CGAL_CARTESIAN_WEIGHTED_POINT_2_H
|
|
|
|
#include <CGAL/Handle_for.h>
|
|
#include <CGAL/Origin.h>
|
|
|
|
#include <boost/tuple/tuple.hpp>
|
|
|
|
#include <iostream>
|
|
|
|
namespace CGAL {
|
|
|
|
template < class R_ >
|
|
class Weighted_pointC2
|
|
{
|
|
typedef typename R_::Point_2 Point_2;
|
|
typedef typename R_::FT FT;
|
|
typedef FT Weight;
|
|
|
|
typedef boost::tuple<Point_2, Weight> Rep;
|
|
typedef typename R_::template Handle<Rep>::type Base;
|
|
|
|
Base base;
|
|
|
|
public:
|
|
Weighted_pointC2 ()
|
|
{}
|
|
|
|
Weighted_pointC2(const Origin &o)
|
|
: base(o, 0) {}
|
|
|
|
explicit
|
|
Weighted_pointC2 (const Point_2 &p)
|
|
: base(p,0)
|
|
{}
|
|
|
|
Weighted_pointC2 (const Point_2 &p, const Weight &w)
|
|
: base(p,w)
|
|
{}
|
|
|
|
// Constructors from coordinates are also provided for convenience, except
|
|
// that they are only from Cartesian coordinates, and with no weight, so as
|
|
// to avoid any potential ambiguity between the homogeneous weight and the
|
|
// power weight (it should be easy enough to pass a Point_2 explicitly in those
|
|
// cases).
|
|
|
|
Weighted_pointC2 (const FT& x, const FT& y)
|
|
: base(Point_2(x,y), 0)
|
|
{}
|
|
|
|
const Point_2 & point() const
|
|
{
|
|
return get_pointee_or_identity(base).template get<0>();
|
|
}
|
|
|
|
const Weight & weight() const
|
|
{
|
|
return get_pointee_or_identity(base).template get<1>();
|
|
}
|
|
};
|
|
|
|
template < class R_ >
|
|
std::ostream &
|
|
operator<<(std::ostream &os, const Weighted_pointC2<R_> &p)
|
|
{
|
|
switch(get_mode(os))
|
|
{
|
|
case IO::ASCII :
|
|
return os << p.point() << " " << p.weight();
|
|
case IO::BINARY :
|
|
os << p.point();
|
|
write(os, p.weight());
|
|
return os;
|
|
default:
|
|
return os << "Weighted_point_2(" << p.point() << ", " << p.weight() << ")";
|
|
}
|
|
}
|
|
|
|
template < class R_ >
|
|
std::istream &
|
|
operator>>(std::istream &is, Weighted_pointC2<R_> &wp)
|
|
{
|
|
typename Weighted_pointC2<R_>::Weight w;
|
|
typename Weighted_pointC2<R_>::Point_2 p;
|
|
is >> p;
|
|
if(!is) return is;
|
|
if(is_ascii(is))
|
|
is >> w;
|
|
else
|
|
read(is, w);
|
|
if (is)
|
|
wp = Weighted_point_2<R_>(p,w);
|
|
return is;
|
|
}
|
|
|
|
} // namespace CGAL
|
|
|
|
#endif // CGAL_CARTESIAN_WEIGHTED_POINT_2_H
|