BWAPI: SPAR/AIModule/BWTA/vendors/CGAL/CGAL/Point_2_Iso_rectangle_2

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00001 // Copyright (c) 2000  Utrecht University (The Netherlands),
00002 // ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
00003 // INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
00004 // (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
00005 // and Tel-Aviv University (Israel).  All rights reserved.
00006 //
00007 // This file is part of CGAL (www.cgal.org); you can redistribute it and/or
00008 // modify it under the terms of the GNU Lesser General Public License as
00009 // published by the Free Software Foundation; version 2.1 of the License.
00010 // See the file LICENSE.LGPL distributed with CGAL.
00011 //
00012 // Licensees holding a valid commercial license may use this file in
00013 // accordance with the commercial license agreement provided with the software.
00014 //
00015 // This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
00016 // WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00017 //
00018 // $URL: svn+ssh://scm.gforge.inria.fr/svn/cgal/branches/CGAL-3.5-branch/Intersections_2/include/CGAL/Point_2_Iso_rectangle_2_intersection.h $
00019 // $Id: Point_2_Iso_rectangle_2_intersection.h 39776 2007-08-08 15:15:20Z spion $
00020 // 
00021 //
00022 // Author(s)     : Geert-Jan Giezeman
00023 
00024 
00025 #ifndef CGAL_POINT_2_ISO_RECTANGLE_2_INTERSECTION_H
00026 #define CGAL_POINT_2_ISO_RECTANGLE_2_INTERSECTION_H
00027 
00028 #include <CGAL/Iso_rectangle_2.h>
00029 #include <CGAL/Point_2.h>
00030 #include <CGAL/Object.h>
00031 
00032 CGAL_BEGIN_NAMESPACE
00033 
00034 namespace CGALi {
00035 
00036 template <class K>
00037 inline 
00038 bool
00039 do_intersect(const typename K::Point_2 &pt,
00040              const typename K::Iso_rectangle_2 &iso,
00041              const K&)
00042 {
00043     return !iso.has_on_unbounded_side(pt);
00044 }
00045 
00046 template <class K>
00047 inline 
00048 bool
00049 do_intersect(const typename K::Iso_rectangle_2 &iso,
00050              const typename K::Point_2 &pt,
00051              const K&)
00052 {
00053     return !iso.has_on_unbounded_side(pt);
00054 }
00055 
00056 template <class K>
00057 Object
00058 intersection(const typename K::Point_2 &pt,
00059              const typename K::Iso_rectangle_2 &iso,
00060              const K& k)
00061 {
00062   if (CGALi::do_intersect(pt,iso,k)) {
00063     return make_object(pt);
00064     }
00065     return Object();
00066 }
00067 
00068 
00069 template <class K>
00070 Object
00071 intersection(const typename K::Iso_rectangle_2 &iso,
00072              const typename K::Point_2 &pt,
00073              const K& k)
00074 {
00075   if (CGALi::do_intersect(pt,iso,k)) {
00076     return make_object(pt);
00077     }
00078     return Object();
00079 }
00080 
00081 } // namespace CGALi
00082 
00083 
00084 template <class K>
00085 inline 
00086 bool
00087 do_intersect(const Iso_rectangle_2<K> &iso,
00088              const Point_2<K> &pt)
00089 {
00090   typedef typename K::Do_intersect_2 Do_intersect;
00091   return Do_intersect()(pt, iso);
00092 }
00093 
00094 template <class K>
00095 inline 
00096 bool
00097 do_intersect(const Point_2<K> &pt,
00098              const Iso_rectangle_2<K> &iso)
00099 {
00100   typedef typename K::Do_intersect_2 Do_intersect;
00101   return Do_intersect()(pt, iso);
00102 }
00103 
00104 template <class K>
00105 inline 
00106 Object
00107 intersection(const Iso_rectangle_2<K> &iso,
00108              const Point_2<K> &pt)
00109 {
00110   typedef typename K::Intersect_2 Intersect;
00111   return Intersect()(pt, iso);
00112 }
00113 
00114 template <class K>
00115 inline 
00116 Object
00117 intersection(const Point_2<K> &pt,
00118              const Iso_rectangle_2<K> &iso)
00119 {
00120   typedef typename K::Intersect_2 Intersect;
00121   return Intersect()(pt, iso);
00122 }
00123 
00124 CGAL_END_NAMESPACE
00125 
00126 #endif