mirror of https://github.com/CGAL/cgal
129 lines
3.6 KiB
C++
129 lines
3.6 KiB
C++
// Copyright (c) 1999 Utrecht University (The Netherlands),
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// ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
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// INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
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// (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
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// and Tel-Aviv University (Israel). All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; version 2.1 of the License.
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// See the file LICENSE.LGPL distributed with CGAL.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $URL$
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// $Id$
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//
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//
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// Author(s) : Stefan Schirra
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#ifndef CGAL_ISO_RECTANGLEH2_H
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#define CGAL_ISO_RECTANGLEH2_H
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#include <CGAL/Twotuple.h>
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CGAL_BEGIN_NAMESPACE
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template <class R_>
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class Iso_rectangleH2
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{
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typedef typename R_::FT FT;
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typedef typename R_::RT RT;
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typedef typename R_::Point_2 Point_2;
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typedef typename R_::Iso_rectangle_2 Iso_rectangle_2;
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typedef Twotuple<Point_2> Rep;
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typedef typename R_::template Handle<Rep>::type Base;
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Base base;
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public:
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typedef R_ R;
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typedef typename Point_2::Rep::Cartesian_coordinate_type Cartesian_coordinate_type;
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typedef typename Point_2::Rep::Homogeneous_coordinate_type Homogeneous_coordinate_type;
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Iso_rectangleH2() {}
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Iso_rectangleH2(const Point_2& p, const Point_2& q, int)
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: base(p, q)
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{
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// I have to remove the assertions, because of Homogeneous_converter.
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// CGAL_kernel_assertion(p.x()<=q.x());
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// CGAL_kernel_assertion(p.y()<=q.y());
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}
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const Point_2 & min() const;
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const Point_2 & max() const;
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Bounded_side bounded_side(const Point_2& p) const;
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};
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template < class R >
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inline
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const typename Iso_rectangleH2<R>::Point_2 &
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Iso_rectangleH2<R>::min() const
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{ return get(base).e0; }
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template < class R >
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inline
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const typename Iso_rectangleH2<R>::Point_2 &
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Iso_rectangleH2<R>::max() const
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{ return get(base).e1; }
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template < class R >
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CGAL_KERNEL_INLINE
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Bounded_side
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Iso_rectangleH2<R>::
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bounded_side(const typename Iso_rectangleH2<R>::Point_2& p) const
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{
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Oriented_side wrt_min = _where_wrt_L_wedge(min(),p);
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Oriented_side wrt_max = _where_wrt_L_wedge(p,max());
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if (( wrt_min == ON_NEGATIVE_SIDE )||( wrt_max == ON_NEGATIVE_SIDE))
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{
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return ON_UNBOUNDED_SIDE;
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}
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if ( ( wrt_min == ON_ORIENTED_BOUNDARY )
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||( wrt_max == ON_ORIENTED_BOUNDARY ) )
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{
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return ON_BOUNDARY;
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}
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return ON_BOUNDED_SIDE;
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}
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#ifndef CGAL_NO_OSTREAM_INSERT_ISO_RECTANGLEH2
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template < class R >
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std::ostream& operator<<(std::ostream& os, const Iso_rectangleH2<R>& r)
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{
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switch(os.iword(IO::mode))
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{
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case IO::ASCII :
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return os << r.min() << ' ' << r.max();
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case IO::BINARY :
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return os << r.min() << r.max();
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default:
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return os << "Iso_rectangleH2(" << r.min() << ", " << r.max() << ")";
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}
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}
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#endif // CGAL_NO_OSTREAM_INSERT_ISO_RECTANGLEH2
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#ifndef CGAL_NO_ISTREAM_EXTRACT_ISO_RECTANGLEH2
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template < class R >
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std::istream& operator>>(std::istream& is, Iso_rectangleH2<R>& r)
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{
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typename R::Point_2 p, q;
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is >> p >> q;
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r = Iso_rectangleH2<R>(p, q);
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return is;
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}
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#endif // CGAL_NO_ISTREAM_EXTRACT_ISO_RECTANGLEH2
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CGAL_END_NAMESPACE
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#endif // CGAL_ISO_RECTANGLEH2_H
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