261 lines
6.6 KiB
C++
Executable File
261 lines
6.6 KiB
C++
Executable File
// 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) : Andreas Fabri
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#ifndef CGAL_ISO_RECTANGLE_2_H
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#define CGAL_ISO_RECTANGLE_2_H
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#include <CGAL/assertions.h>
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#include <boost/type_traits/is_same.hpp>
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#include <CGAL/Kernel/Return_base_tag.h>
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#include <CGAL/Bbox_2.h>
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#include <CGAL/Dimension.h>
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#include <CGAL/result_of.h>
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namespace CGAL {
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template <class R_>
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class Iso_rectangle_2 : public R_::Kernel_base::Iso_rectangle_2
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{
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typedef typename R_::RT RT;
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typedef typename R_::FT FT;
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typedef typename R_::Point_2 Point_2;
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typedef typename R_::Aff_transformation_2 Aff_transformation_2;
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typedef Iso_rectangle_2 Self;
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CGAL_static_assertion((boost::is_same<Self, typename R_::Iso_rectangle_2>::value));
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public:
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typedef Dimension_tag<2> Ambient_dimension;
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typedef Dimension_tag<2> Feature_dimension;
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typedef typename R_::Kernel_base::Iso_rectangle_2 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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Iso_rectangle_2() {}
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Iso_rectangle_2(const Rep& r)
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: Rep(r) {}
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Iso_rectangle_2(const Point_2 &p, const Point_2 &q, int)
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: Rep(typename R::Construct_iso_rectangle_2()(Return_base_tag(), p, q, 0)) {}
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Iso_rectangle_2(const Point_2 &p, const Point_2 &q)
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: Rep(typename R::Construct_iso_rectangle_2()(Return_base_tag(), p, q)) {}
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Iso_rectangle_2(const Point_2 &left, const Point_2 &right,
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const Point_2 &bottom, const Point_2 &top)
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: Rep(typename R::Construct_iso_rectangle_2()(Return_base_tag(), left, right, bottom, top)) {}
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Iso_rectangle_2(const RT& min_hx, const RT& min_hy,
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const RT& max_hx, const RT& max_hy)
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: Rep(typename R::Construct_iso_rectangle_2()(Return_base_tag(), min_hx, min_hy, max_hx, max_hy)) {}
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Iso_rectangle_2(const RT& min_hx, const RT& min_hy,
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const RT& max_hx, const RT& max_hy, const RT& hw)
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: Rep(typename R::Construct_iso_rectangle_2()(Return_base_tag(), min_hx, min_hy, max_hx, max_hy, hw)) {}
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Iso_rectangle_2(const Bbox_2& bbox)
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: Rep(typename R::Construct_iso_rectangle_2()(Return_base_tag(), bbox.xmin(), bbox.ymin(), bbox.xmax(), bbox.ymax())) {}
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typename cpp11::result_of<typename R::Construct_min_vertex_2( Iso_rectangle_2 )>::type
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min BOOST_PREVENT_MACRO_SUBSTITUTION () const
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{
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return R().construct_min_vertex_2_object()(*this);
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}
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typename cpp11::result_of<typename R::Construct_max_vertex_2( Iso_rectangle_2 )>::type
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max BOOST_PREVENT_MACRO_SUBSTITUTION () const
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{
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return R().construct_max_vertex_2_object()(*this);
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}
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bool
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operator==(const Iso_rectangle_2 &i) const
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{
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return R().equal_2_object()(*this, i);
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}
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bool
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operator!=(const Iso_rectangle_2 &i) const
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{
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return ! (*this == i);
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}
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typename cpp11::result_of<typename R::Construct_vertex_2( Iso_rectangle_2, int )>::type
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vertex(int i) const
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{
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return R().construct_vertex_2_object()(*this,i);
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}
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typename cpp11::result_of<typename R::Construct_vertex_2( Iso_rectangle_2, int )>::type
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operator[](int i) const
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{
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return R().construct_vertex_2_object()(*this,i);
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}
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typename cpp11::result_of<typename R::Compute_xmin_2( Iso_rectangle_2 )>::type
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xmin() const
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{
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return R().compute_xmin_2_object()(*this);
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}
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typename cpp11::result_of<typename R::Compute_xmax_2( Iso_rectangle_2 )>::type
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xmax() const
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{
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return R().compute_xmax_2_object()(*this);
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}
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typename cpp11::result_of<typename R::Compute_ymin_2( Iso_rectangle_2 )>::type
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ymin() const
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{
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return R().compute_ymin_2_object()(*this);
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}
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typename cpp11::result_of<typename R::Compute_ymax_2( Iso_rectangle_2 )>::type
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ymax() const
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{
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return R().compute_ymax_2_object()(*this);
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}
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typename cpp11::result_of<typename R::Compute_xmin_2( Iso_rectangle_2 )>::type
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min_coord(int i) const
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{
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CGAL_kernel_precondition( i == 0 || i == 1 );
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if (i == 0)
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return xmin();
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else
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return ymin();
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}
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typename cpp11::result_of<typename R::Compute_xmin_2( Iso_rectangle_2 )>::type
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max_coord(int i) const
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{
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CGAL_kernel_precondition( i == 0 || i == 1 );
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if (i == 0)
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return xmax();
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else
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return ymax();
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}
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FT
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area() const
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{
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return R().compute_area_2_object()(*this);
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}
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bool
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has_on_boundary(const Point_2 &p) const
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{
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return R().has_on_boundary_2_object()(*this,p);
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}
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bool
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has_on_bounded_side(const Point_2 &p) const
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{
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return R().has_on_bounded_side_2_object()(*this,p);
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}
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bool
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has_on_unbounded_side(const Point_2 &p) const
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{
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return R().has_on_unbounded_side_2_object()(*this,p);
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}
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Bounded_side
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bounded_side(const Point_2 &p) const
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{
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return R().bounded_side_2_object()(*this,p);
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}
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bool
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is_degenerate() const
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{
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return R().is_degenerate_2_object()(*this);
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}
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Bbox_2
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bbox() const
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{
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return R().construct_bbox_2_object()(*this);
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}
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Iso_rectangle_2 transform(const Aff_transformation_2 &t) const
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{
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// FIXME : We need a precondition like this!!!
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// CGAL_kernel_precondition(t.is_axis_preserving());
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return Iso_rectangle_2(t.transform(min BOOST_PREVENT_MACRO_SUBSTITUTION ()),
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t.transform(max BOOST_PREVENT_MACRO_SUBSTITUTION ()));
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}
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};
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template < class R >
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std::ostream &
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operator<<(std::ostream &os, const Iso_rectangle_2<R> &r)
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{
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switch(get_mode(os)) {
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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_rectangle_2(" << (r.min)() << ", " << (r.max)() << ")";
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}
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}
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template < class R >
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std::istream &
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operator>>(std::istream &is, Iso_rectangle_2<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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if (is)
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r = Iso_rectangle_2<R>(p, q);
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return is;
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}
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} //namespace CGAL
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#endif // CGAL_ISO_RECTANGLE_2_H
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