| // Boost.Geometry (aka GGL, Generic Geometry Library) |
| |
| // 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) |
| |
| #ifndef BOOST_GEOMETRY_STRATEGIES_CONCEPTS_SEGMENT_INTERSECT_CONCEPT_HPP |
| #define BOOST_GEOMETRY_STRATEGIES_CONCEPTS_SEGMENT_INTERSECT_CONCEPT_HPP |
| |
| |
| //NOT FINISHED! |
| |
| #include <boost/concept_check.hpp> |
| |
| |
| namespace boost { namespace geometry { namespace concept |
| { |
| |
| |
| /*! |
| \brief Checks strategy for segment intersection |
| \ingroup segment_intersection |
| */ |
| template <typename Strategy> |
| class SegmentIntersectStrategy |
| { |
| #ifndef DOXYGEN_NO_CONCEPT_MEMBERS |
| |
| // 1) must define return_type |
| typedef typename Strategy::return_type return_type; |
| |
| // 2) must define point_type (of segment points) |
| //typedef typename Strategy::point_type point_type; |
| |
| // 3) must define segment_type 1 and 2 (of segment points) |
| typedef typename Strategy::segment_type1 segment_type1; |
| typedef typename Strategy::segment_type2 segment_type2; |
| |
| |
| struct check_methods |
| { |
| static void apply() |
| { |
| Strategy const* str; |
| |
| return_type* rt; |
| //point_type const* p; |
| segment_type1 const* s1; |
| segment_type2 const* s2; |
| |
| // 4) must implement a method apply |
| // having two segments |
| *rt = str->apply(*s1, *s2); |
| |
| } |
| }; |
| |
| |
| public : |
| BOOST_CONCEPT_USAGE(SegmentIntersectStrategy) |
| { |
| check_methods::apply(); |
| } |
| #endif |
| }; |
| |
| |
| |
| }}} // namespace boost::geometry::concept |
| |
| #endif // BOOST_GEOMETRY_STRATEGIES_CONCEPTS_SEGMENT_INTERSECT_CONCEPT_HPP |