0b6a182c
 Hu Chunming
添加无鉴权注册和注销
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// Boost.Polygon library point_traits.hpp header file
// Copyright (c) Intel Corporation 2008.
// Copyright (c) 2008-2012 Simonson Lucanus.
// Copyright (c) 2012-2012 Andrii Sydorchuk.
// See http://www.boost.org for updates, documentation, and revision history.
// Use, modification and distribution is subject to the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_POLYGON_POINT_TRAITS_HPP
#define BOOST_POLYGON_POINT_TRAITS_HPP
#include "isotropy.hpp"
namespace boost {
namespace polygon {
template <typename PointType>
struct point_traits {
typedef PointType point_type;
typedef typename point_type::coordinate_type coordinate_type;
static coordinate_type get(
const point_type& point, orientation_2d orient) {
return point.get(orient);
}
};
template <typename PointType>
struct point_mutable_traits {
typedef PointType point_type;
typedef typename point_type::coordinate_type coordinate_type;
static void set(
point_type& point, orientation_2d orient, coordinate_type value) {
point.set(orient, value);
}
static point_type construct(coordinate_type x, coordinate_type y) {
return point_type(x, y);
}
};
} // polygon
} // boost
#endif // BOOST_POLYGON_POINT_TRAITS_HPP
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