95 lines
2.7 KiB
C
95 lines
2.7 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)
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//
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// $URL: https://github.com/CGAL/cgal/blob/v5.1/Homogeneous_kernel/include/CGAL/Homogeneous/Iso_rectangleH2.h $
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// $Id: Iso_rectangleH2.h 0779373 2020-03-26T13:31:46+01:00 Sébastien Loriot
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// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
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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/array.h>
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namespace CGAL {
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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 std::array<Point_2, 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(CGAL::make_array(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 BOOST_PREVENT_MACRO_SUBSTITUTION () const;
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const Point_2 & max BOOST_PREVENT_MACRO_SUBSTITUTION () 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 BOOST_PREVENT_MACRO_SUBSTITUTION () const
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{ return get_pointee_or_identity(base)[0]; }
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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 BOOST_PREVENT_MACRO_SUBSTITUTION () const
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{ return get_pointee_or_identity(base)[1]; }
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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((this->min)(),p);
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Oriented_side wrt_max = _where_wrt_L_wedge(p,(this->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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} //namespace CGAL
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#endif // CGAL_ISO_RECTANGLEH2_H
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