1// Boost.Polygon library point_traits.hpp header file
2
3// Copyright (c) Intel Corporation 2008.
4// Copyright (c) 2008-2012 Simonson Lucanus.
5// Copyright (c) 2012-2012 Andrii Sydorchuk.
6
7// See http://www.boost.org for updates, documentation, and revision history.
8// Use, modification and distribution is subject to the Boost Software License,
9// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
10// http://www.boost.org/LICENSE_1_0.txt)
11
12#ifndef BOOST_POLYGON_POINT_TRAITS_HPP
13#define BOOST_POLYGON_POINT_TRAITS_HPP
14
15#include "isotropy.hpp"
16
17namespace boost {
18namespace polygon {
19
20template <typename PointType>
21struct point_traits {
22 typedef PointType point_type;
23 typedef typename point_type::coordinate_type coordinate_type;
24
25 static coordinate_type get(
26 const point_type& point, orientation_2d orient) {
27 return point.get(orient);
28 }
29};
30
31template <typename PointType>
32struct point_mutable_traits {
33 typedef PointType point_type;
34 typedef typename point_type::coordinate_type coordinate_type;
35
36 static void set(
37 point_type& point, orientation_2d orient, coordinate_type value) {
38 point.set(orient, value);
39 }
40
41 static point_type construct(coordinate_type x, coordinate_type y) {
42 return point_type(x, y);
43 }
44};
45} // polygon
46} // boost
47
48#endif // BOOST_POLYGON_POINT_TRAITS_HPP
49

source code of boost/boost/polygon/point_traits.hpp