111 lines
3.8 KiB
C++
111 lines
3.8 KiB
C++
// Copyright (c) 2003-2008 INRIA Sophia-Antipolis (France).
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// 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/Circular_kernel_2/include/CGAL/Circular_kernel_intersections.h $
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// $Id: Circular_kernel_intersections.h 0779373 2020-03-26T13:31:46+01:00 Sébastien Loriot
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// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
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//
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// Author(s) : Monique Teillaud, Sylvain Pion, Pedro Machado
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// Partially supported by the IST Programme of the EU as a Shared-cost
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// RTD (FET Open) Project under Contract No IST-2000-26473
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// (ECG - Effective Computational Geometry for Curves and Surfaces)
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// and a STREP (FET Open) Project under Contract No IST-006413
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// (ACS -- Algorithms for Complex Shapes)
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#ifndef CGAL_CIRCULAR_KERNEL_INTERSECTIONS_H
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#define CGAL_CIRCULAR_KERNEL_INTERSECTIONS_H
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#include <CGAL/license/Circular_kernel_2.h>
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#include <vector>
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#include <CGAL/Circle_2.h>
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#include <CGAL/Circular_arc_2.h>
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#include <CGAL/Line_arc_2.h>
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#include <CGAL/Line_2.h>
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#include <CGAL/Circular_arc_point_2.h>
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#include <CGAL/Circular_kernel_2/Intersection_traits.h>
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namespace CGAL {
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#define CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_(A,B) \
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template < class OutputIterator, class K > \
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OutputIterator \
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intersection(const A <K> &c1, const B <K> &c2, OutputIterator res) \
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{ \
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return typename K::Intersect_2()(c1, c2, res); \
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} \
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namespace Intersections { \
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namespace internal { \
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template <class K> \
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inline \
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bool \
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do_intersect(const typename K::A &c1, const typename K::B &c2, const K&) \
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{ \
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std::vector< typename CK2_Intersection_traits<K, typename K::A, typename K::B>::type > res; \
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typename K::Intersect_2()(c1,c2,std::back_inserter(res)); \
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return !res.empty(); \
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} \
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} \
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} \
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template <class K> \
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inline \
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bool \
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do_intersect(const A <K> &c1, const B <K> &c2) \
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{ \
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return typename K::Do_intersect_2()(c1, c2); \
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}
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// Circle_2 Circle_2 already has its do_intersect
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// so it needs only the global intersection
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template < class OutputIterator, class K >
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OutputIterator
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intersection(const Circle_2 <K> &c1, const Circle_2 <K> &c2, OutputIterator res)
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{
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return typename K::Intersect_2()(c1, c2, res);
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}
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template < class OutputIterator, class K >
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OutputIterator
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intersection(const Circle_2 <K> &c1, const Line_2 <K> &c2, OutputIterator res)
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{
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return typename K::Intersect_2()(c1, c2, res);
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}
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template < class OutputIterator, class K >
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OutputIterator
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intersection(const Line_2 <K> &c1, const Circle_2 <K> &c2, OutputIterator res)
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{
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return typename K::Intersect_2()(c1, c2, res);
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}
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template < class OutputIterator, class K >
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OutputIterator
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intersection(const Line_2 <K> &c1, const Line_2 <K> &c2, OutputIterator res)
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{
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return typename K::Intersect_2()(c1, c2, res);
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}
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CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_(Circular_arc_2, Circular_arc_2)
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CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_(Line_arc_2, Line_arc_2)
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CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_(Line_arc_2, Circle_2)
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CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_(Circle_2, Line_arc_2)
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CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_(Circular_arc_2, Circle_2)
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CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_(Circle_2, Circular_arc_2)
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CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_(Line_arc_2, Circular_arc_2)
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CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_(Circular_arc_2, Line_arc_2)
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CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_(Line_2, Circular_arc_2)
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CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_(Line_2, Line_arc_2)
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CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_(Circular_arc_2, Line_2)
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CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_(Line_arc_2, Line_2)
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} //namespace CGAL
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#undef CGAL_CIRCULAR_KERNEL_MACRO_GLOBAL_FUNCTION_INTERSECTION_
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#endif // CGAL_CIRCULAR_KERNEL_INTERSECTIONS_H
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