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// Copyright (c) 1999 Utrecht University (The Netherlands),
// ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
// INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
// (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
// 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; version 2.1 of the License.
// See the file LICENSE.LGPL distributed with CGAL.
//
// 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: svn+ssh://scm.gforge.inria.fr/svn/cgal/branches/CGAL-3.5-branch/Kernel_23/include/CGAL/Aff_transformation_2.h $
// $Id: Aff_transformation_2.h 42932 2008-04-17 10:13:31Z spion $
//
// Author(s) : Andreas Fabri, Stefan Schirra
#ifndef CGAL_AFF_TRANSFORMATION_2_H
#define CGAL_AFF_TRANSFORMATION_2_H
#include <CGAL/basic.h>
#include <CGAL/Dimension.h>
CGAL_BEGIN_NAMESPACE
template <class R_>
class Aff_transformation_2 : public R_::Kernel_base::Aff_transformation_2
{
typedef typename R_::RT RT;
typedef typename R_::FT FT;
typedef typename R_::Line_2 Line_2;
typedef typename R_::Direction_2 Direction_2;
typedef typename R_::Vector_2 Vector_2;
typedef typename R_::Kernel_base::Aff_transformation_2 RAff_transformation_2;
public:
typedef CGAL::Dimension_tag<2> Ambient_dimension;
typedef R_ R;
Aff_transformation_2() {}
Aff_transformation_2(const RAff_transformation_2& t)
: RAff_transformation_2(t)
{}
Aff_transformation_2(const Identity_transformation tag)
: RAff_transformation_2(tag)
{}
Aff_transformation_2(const Translation tag, const Vector_2 &v)
: RAff_transformation_2(tag, v)
{}
// Rational Rotation:
Aff_transformation_2(const Rotation tag,
const Direction_2 &d,
const RT &num,
const RT &den = RT(1))
: RAff_transformation_2(tag, d, num, den)
{}
Aff_transformation_2(const Rotation tag,
const RT &sin,
const RT &cos,
const RT &den = RT(1))
: RAff_transformation_2(tag, sin, cos, den)
{}
Aff_transformation_2(const Reflection tag, const Line_2& l )
: RAff_transformation_2(tag, l)
{}
Aff_transformation_2(const Scaling tag,
const RT &s,
const RT &w= RT(1))
: RAff_transformation_2(tag, s, w)
{}
// The general case:
Aff_transformation_2(const RT & m11,
const RT & m12,
const RT & m13,
const RT & m21,
const RT & m22,
const RT & m23,
const RT &w= RT(1))
: RAff_transformation_2(m11, m12, m13,
m21, m22, m23,
w)
{}
Aff_transformation_2(const RT & m11, const RT & m12,
const RT & m21, const RT & m22,
const RT &w = RT(1))
: RAff_transformation_2(m11, m12,
m21, m22,
w)
{}
};
#ifndef CGAL_NO_OSTREAM_INSERT_AFF_TRANSFORMATION_2
template < class R >
std::ostream &
operator<<(std::ostream &os, const CGAL::Aff_transformation_2<R> &t)
{
typedef typename R::Kernel_base::Aff_transformation_2 RAff_transformation_2;
return os << static_cast<const RAff_transformation_2&>(t);
}
#endif // CGAL_NO_OSTREAM_INSERT_AFF_TRANSFORMATION_2
#ifndef CGAL_NO_ISTREAM_EXTRACT_AFF_TRANSFORMATION_2
template < class R >
std::istream &
operator>>(std::istream &is, CGAL::Aff_transformation_2<R> &t)
{
typedef typename R::Kernel_base::Aff_transformation_2 RAff_transformation_2;
return is >> static_cast<RAff_transformation_2&>(t);
}
#endif // CGAL_NO_ISTREAM_EXTRACT_AFF_TRANSFORMATION_2
CGAL_END_NAMESPACE
#endif // CGAL_AFF_TRANSFORMATION_2_H
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