113 lines
3.3 KiB
C
113 lines
3.3 KiB
C
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// Copyright (c) 1999
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// Utrecht University (The Netherlands),
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// ETH Zurich (Switzerland),
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// INRIA Sophia-Antipolis (France),
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// Max-Planck-Institute Saarbruecken (Germany),
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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; either version 3 of the License,
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// or (at your option) any later version.
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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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// SPDX-License-Identifier: LGPL-3.0+
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//
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//
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// Author(s) : Stefan Schirra
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#ifndef CGAL_KERNEL_TO_KERNEL_H
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#define CGAL_KERNEL_TO_KERNEL_H
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#include <CGAL/config.h>
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#ifdef CGAL_USE_LEDA
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#include <CGAL/LEDA_basic.h>
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#include <CGAL/leda_integer.h>
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#include <LEDA/geo/rat_point.h>
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#endif
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#include <CGAL/Point_2.h>
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#include <CGAL/Segment_2.h>
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#include <CGAL/Cartesian.h>
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#include <CGAL/Homogeneous.h>
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namespace CGAL {
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template <class NumberType>
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struct Cartesian_double_to_Homogeneous
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{
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typedef Point_2< Homogeneous< NumberType> > Point2;
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typedef Segment_2< Homogeneous< NumberType> > Segment;
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Cartesian_double_to_Homogeneous() {}
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Point2
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operator()( const Point_2<Cartesian<double> >& p) const
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{ return Point2( NumberType(p.x()), NumberType(p.y()) ); }
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Segment
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operator()( const Segment_2<Cartesian<double> >& s) const
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{
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return Segment( Point2( NumberType(s.source().x()),
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NumberType(s.source().y()) ),
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Point2( NumberType(s.target().x()),
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NumberType(s.target().y()) ) );
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}
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};
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#ifdef CGAL_USE_LEDA
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struct Cartesian_double_to_H_double_int
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{
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typedef Point_2< Homogeneous< double> > Point2;
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typedef Segment_2< Homogeneous< double> > Segment;
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Segment
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operator()( const Segment_2< Cartesian< double> >& s) const
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{
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leda_rat_point rs = leda_point(s.source().x(), s.source().y());
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leda_rat_point rt = leda_point(s.target().x(), s.target().y());
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return Segment(
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Point2(CGAL_LEDA_SCOPE::to_double(rs.X()),
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CGAL_LEDA_SCOPE::to_double(rs.Y()),
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CGAL_LEDA_SCOPE::to_double(rs.W())),
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Point2(CGAL_LEDA_SCOPE::to_double(rt.X()),
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CGAL_LEDA_SCOPE::to_double(rt.Y()),
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CGAL_LEDA_SCOPE::to_double(rt.W())) );
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}
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};
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struct Cartesian_float_to_H_double_int
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{
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typedef Point_2< Homogeneous< double> > Point2;
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typedef Segment_2< Homogeneous< double> > Segment;
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Segment
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operator()( const Segment_2< Cartesian< float> >& s) const
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{
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leda_rat_point rs = leda_point(s.source().x(), s.source().y());
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leda_rat_point rt = leda_point(s.target().x(), s.target().y());
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return Segment(
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Point2(CGAL_LEDA_SCOPE::to_double(rs.X()),
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CGAL_LEDA_SCOPE::to_double(rs.Y()),
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CGAL_LEDA_SCOPE::to_double(rs.W())),
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Point2(CGAL_LEDA_SCOPE::to_double(rt.X()),
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CGAL_LEDA_SCOPE::to_double(rt.Y()),
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CGAL_LEDA_SCOPE::to_double(rt.W())) );
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}
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};
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#endif // CGAL_USE_LEDA
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} //namespace CGAL
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#endif // CGAL_KERNEL_TO_KERNEL_H
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