/usr/include/CGAL/grabbers.h is in libcgal-dev 4.7-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 | // Copyright (c) 2009 INRIA Sophia-Antipolis (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 3 of the License,
// or (at your option) any later version.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL$
// $Id$
//
//
// Author(s) : Sebastien Loriot, Sylvain Pion
#ifndef CGAL_GRABBER_H
#define CGAL_GRABBER_H
#include <boost/function_output_iterator.hpp>
namespace CGAL{
template <class Kernel, class Container>
class Polygon_2;
template <class P, class W>
class Weighted_point;
namespace internal{
template <class Kernel, class output_iterator>
class Point_grabber{
output_iterator out;
public:
Point_grabber(output_iterator it):out(it){}
void operator()(const typename Kernel::Point_2& p){
*out++=p;
}
void operator()(const typename Kernel::Segment_2& s){
*out++=s[0];
*out++=s[1];
}
template<class Container>
void operator()(const CGAL::Polygon_2<Kernel,Container>& p){
for(typename CGAL::Polygon_2<Kernel,Container>::Vertex_iterator it=
p.vertices_begin();it!=p.vertices_end();++it)
*out++= *it;
}
};
template<class Kernel,class output_iterator>
boost::function_output_iterator<Point_grabber<Kernel,output_iterator> >
point_grabber(output_iterator it){
return boost::make_function_output_iterator(Point_grabber<Kernel,output_iterator>(it));
}
//Segments
template <class Kernel, class output_iterator>
class Segment_grabber{
output_iterator out;
public:
Segment_grabber(output_iterator it):out(it){}
void operator()(const typename Kernel::Segment_2& s){
*out++=s;
}
template<class Container>
void operator()(const CGAL::Polygon_2<Kernel,Container>& p){
for(typename CGAL::Polygon_2<Kernel,Container>::Edge_const_iterator
it=p.edges_begin();it!=p.edges_end();++it)
*out++= *it;
}
};
template<class Kernel,class output_iterator>
boost::function_output_iterator<Segment_grabber<Kernel,output_iterator> >
segment_grabber(output_iterator it){
return boost::make_function_output_iterator(Segment_grabber<Kernel,output_iterator>(it));
}
//Weighted points
template <class Kernel,class output_iterator>
class Wpoint_grabber{
output_iterator out;
typedef CGAL::Weighted_point<typename Kernel::Point_2,typename Kernel::FT> Self;
public:
Wpoint_grabber(output_iterator it):out(it){}
void operator()(const Self& p){
*out++=p;
}
void operator()(const typename Kernel::Point_2& p){
*out++=Self(p,0);
}
void operator()(const typename Kernel::Circle_2& c){
*out++=Self(c.center(),c.squared_radius());
}
void operator()(const typename Kernel::Segment_2& s){
*out++=Self(s[0],0);
*out++=Self(s[1],0);
}
template<class Container>
void operator()(const CGAL::Polygon_2<Kernel,Container>& p){
for(typename CGAL::Polygon_2<Kernel,Container>::Vertex_iterator
it=p.vertices_begin();it!=p.vertices_end();++it)
*out++= Self(*it,0);
}
};
template<class Kernel,class output_iterator>
boost::function_output_iterator<Wpoint_grabber<Kernel,output_iterator> >
wpoint_grabber(output_iterator it){
return boost::make_function_output_iterator(Wpoint_grabber<Kernel,output_iterator>(it));
}
}//internal
}//CGAL
#endif //CGAL_GRABBER_H
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