| // Boost.Geometry (aka GGL, Generic Geometry Library) |
| // Unit Test |
| |
| // Copyright (c) 2007-2011 Barend Gehrels, Amsterdam, the Netherlands. |
| // Copyright (c) 2008-2011 Bruno Lalande, Paris, France. |
| // Copyright (c) 2009-2011 Mateusz Loskot, London, UK. |
| |
| // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library |
| // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands. |
| |
| // 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) |
| |
| |
| #include <boost/geometry/core/cs.hpp> |
| #include <boost/geometry/geometries/concepts/check.hpp> |
| |
| struct ro_point |
| { |
| float x, y; |
| }; |
| |
| |
| struct rw_point |
| { |
| float x, y; |
| }; |
| |
| |
| namespace boost { namespace geometry { namespace traits { |
| |
| template <> struct tag<ro_point> { typedef point_tag type; }; |
| template <> struct coordinate_type<ro_point> { typedef float type; }; |
| template <> struct coordinate_system<ro_point> { typedef cs::cartesian type; }; |
| template <> struct dimension<ro_point> { enum { value = 2 }; }; |
| |
| template <> struct access<ro_point, 0> |
| { |
| static float get(ro_point const& p) { return p.x; } |
| }; |
| |
| template <> struct access<ro_point, 1> |
| { |
| static float get(ro_point const& p) { return p.y; } |
| }; |
| |
| |
| |
| |
| template <> struct tag<rw_point> { typedef point_tag type; }; |
| template <> struct coordinate_type<rw_point> { typedef float type; }; |
| template <> struct coordinate_system<rw_point> { typedef cs::cartesian type; }; |
| template <> struct dimension<rw_point> { enum { value = 2 }; }; |
| |
| template <> struct access<rw_point, 0> |
| { |
| static float get(rw_point const& p) { return p.x; } |
| static void set(rw_point& p, float value) { p.x = value; } |
| }; |
| |
| template <> struct access<rw_point, 1> |
| { |
| static float get(rw_point const& p) { return p.y; } |
| static void set(rw_point& p, float value) { p.y = value; } |
| }; |
| |
| |
| }}} // namespace bg::traits |
| |
| |
| int main() |
| { |
| boost::geometry::concept::check<const ro_point>(); |
| boost::geometry::concept::check<rw_point>(); |
| } |