mirror of https://github.com/CGAL/cgal
84 lines
2.5 KiB
C++
84 lines
2.5 KiB
C++
// Copyright (c) 2000
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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) : Geert-Jan Giezeman
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#ifndef CGAL_RAY_2_BBOX_2_INTERSECTION_H
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#define CGAL_RAY_2_BBOX_2_INTERSECTION_H
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#include <CGAL/Bbox_2.h>
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#include <CGAL/Ray_2.h>
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#include <CGAL/kernel_assertions.h>
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#include <CGAL/number_utils.h>
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namespace CGAL {
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class Bbox_2_Ray_2_pair_impl;
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class CGAL_EXPORT Bbox_2_Ray_2_pair {
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public:
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enum Intersection_results {NO_INTERSECTION, POINT, SEGMENT};
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~Bbox_2_Ray_2_pair() ;
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Bbox_2_Ray_2_pair() ;
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Bbox_2_Ray_2_pair(Bbox_2_Ray_2_pair const &o) ;
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Bbox_2_Ray_2_pair(Bbox_2 const &box,
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double x, double y, double dx, double dy) ;
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Bbox_2_Ray_2_pair& operator=(Bbox_2_Ray_2_pair const &o) ;
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Intersection_results intersection_type() const;
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bool intersection(double &x, double &y) const;
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bool intersection(double &x1, double &y1, double &x2, double &y2) const;
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protected:
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Bbox_2_Ray_2_pair_impl *pimpl;
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};
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CGAL_EXPORT bool do_intersect_ray_2(
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const Bbox_2 &box, double x, double y, double dx, double dy);
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template <class Ray>
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bool do_intersect_ray_2(
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const Bbox_2 &box,
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const Ray &ray)
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{
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double startx = to_double(ray->start().x());
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double starty = to_double(ray->start().y());
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double dx = to_double(ray->direction().to_vector().x());
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double dy = to_double(ray->direction().to_vector().y());
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return do_intersect_ray_2(box, startx, starty, dx, dy);
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}
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template <class Ray>
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inline bool do_intersect_ray_2(
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const Ray &ray,
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const Bbox_2 &box)
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{
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return do_intersect_ray_2(box, ray);
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}
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} //namespace CGAL
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#ifdef CGAL_HEADER_ONLY
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#include <CGAL/Ray_2_Bbox_2_intersection_impl.h>
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#endif // CGAL_HEADER_ONLY
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#endif
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