mirror of https://github.com/CGAL/cgal
155 lines
3.9 KiB
C++
155 lines
3.9 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) : Andreas Fabri
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// Stefan Schirra
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#ifndef CGAL_LINE_3_H
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#define CGAL_LINE_3_H
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CGAL_BEGIN_NAMESPACE
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template <class R_>
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class Line_3 : public R_::Kernel_base::Line_3
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{
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typedef typename R_::RT RT;
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typedef typename R_::Point_3 Point_3;
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typedef typename R_::Ray_3 Ray_3;
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typedef typename R_::Segment_3 Segment_3;
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typedef typename R_::Direction_3 Direction_3;
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typedef typename R_::Vector_3 Vector_3;
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typedef typename R_::Plane_3 Plane_3;
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typedef typename R_::Aff_transformation_3 Aff_transformation_3;
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public:
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typedef typename R_::Kernel_base::Line_3 Rep;
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const Rep& rep() const
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{
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return *this;
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}
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Rep& rep()
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{
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return *this;
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}
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typedef R_ R;
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Line_3() {}
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// conversion impl -> interface class
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Line_3(const Rep& l)
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: Rep(l) {}
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Line_3(const Point_3 & p, const Point_3 & q)
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: Rep(typename R::Construct_line_3()(p, q).rep()) {}
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Line_3(const Segment_3 & s)
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: Rep(typename R::Construct_line_3()(s).rep()) {}
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Line_3(const Ray_3 & r)
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: Rep(typename R::Construct_line_3()(r).rep()) {}
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Line_3(const Point_3 & p, const Direction_3 & d)
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: Rep(typename R::Construct_line_3()(p, d).rep()) {}
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Line_3(const Point_3 & p, const Vector_3 & v)
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: Rep(typename R::Construct_line_3()(p, v).rep()) {}
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Line_3 transform(const Aff_transformation_3 &t) const
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{
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return Line_3(t.transform(this->point()), t.transform(this->direction()));
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}
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Vector_3 to_vector() const
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{
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return R().construct_vector_3_object()(*this);
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}
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Direction_3 direction() const
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{
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return R().construct_direction_3_object()(*this);
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}
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bool has_on(const Point_3 &p) const
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{
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return R().has_on_3_object()(*this, p);
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//return has_on_boundary(p);
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}
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Point_3 point() const
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{
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return R().construct_point_on_3_object()(*this, 0);
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}
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Point_3 point(int i) const
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{
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return R().construct_point_on_3_object()(*this, i);
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}
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Line_3 opposite() const
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{
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return R().construct_opposite_line_3_object()(*this);
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}
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Plane_3 perpendicular_plane(const Point_3 &p) const
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{
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return R().construct_perpendicular_plane_3_object()(*this, p);
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}
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Point_3 projection(const Point_3 &p) const
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{
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return R().construct_projected_point_3_object()(*this, p);
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}
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bool is_degenerate() const
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{
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return R().is_degenerate_3_object()(*this);
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}
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};
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#ifndef CGAL_NO_OSTREAM_INSERT_LINE_3
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template < class R >
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std::ostream&
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operator<<(std::ostream& os, const Line_3<R>& l)
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{
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typedef typename R::Kernel_base::Line_3 Rep;
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return os << static_cast<const Rep&>(l);
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}
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#endif // CGAL_NO_OSTREAM_INSERT_LINE_3
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#ifndef CGAL_NO_ISTREAM_EXTRACT_LINE_3
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template < class R >
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std::istream&
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operator>>(std::istream & is, Line_3<R> & p)
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{
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typedef typename R::Kernel_base::Line_3 Rep;
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is >> static_cast<Rep&>(p);
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return is;
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}
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#endif // CGAL_NO_ISTREAM_EXTRACT_LINE_3
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CGAL_END_NAMESPACE
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#endif // CGAL_LINE_3_H
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