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1 | // Boost.Geometry (aka GGL, Generic Geometry Library) |
2 | ||
3 | // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands. | |
4 | // Copyright (c) 2008-2012 Bruno Lalande, Paris, France. | |
5 | // Copyright (c) 2009-2012 Mateusz Loskot, London, UK. | |
6 | ||
7 | // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library | |
8 | // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands. | |
9 | ||
10 | // Use, modification and distribution is subject to the Boost Software License, | |
11 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
12 | // http://www.boost.org/LICENSE_1_0.txt) | |
13 | ||
14 | #ifndef BOOST_GEOMETRY_STRATEGIES_CONCEPTS_SEGMENT_INTERSECT_CONCEPT_HPP | |
15 | #define BOOST_GEOMETRY_STRATEGIES_CONCEPTS_SEGMENT_INTERSECT_CONCEPT_HPP | |
16 | ||
17 | ||
18 | //NOT FINISHED! | |
19 | ||
20 | #include <boost/concept_check.hpp> | |
21 | ||
22 | ||
23 | namespace boost { namespace geometry { namespace concepts | |
24 | { | |
25 | ||
26 | ||
27 | /*! | |
28 | \brief Checks strategy for segment intersection | |
29 | \ingroup segment_intersection | |
30 | */ | |
31 | template <typename Strategy> | |
32 | class SegmentIntersectStrategy | |
33 | { | |
34 | #ifndef DOXYGEN_NO_CONCEPT_MEMBERS | |
35 | ||
36 | // 1) must define return_type | |
37 | typedef typename Strategy::return_type return_type; | |
38 | ||
39 | // 2) must define point_type (of segment points) | |
40 | //typedef typename Strategy::point_type point_type; | |
41 | ||
42 | // 3) must define segment_type 1 and 2 (of segment points) | |
43 | typedef typename Strategy::segment_type1 segment_type1; | |
44 | typedef typename Strategy::segment_type2 segment_type2; | |
45 | ||
46 | ||
47 | struct check_methods | |
48 | { | |
49 | static void apply() | |
50 | { | |
51 | Strategy const* str; | |
52 | ||
53 | return_type* rt; | |
54 | //point_type const* p; | |
55 | segment_type1 const* s1; | |
56 | segment_type2 const* s2; | |
57 | ||
58 | // 4) must implement a method apply | |
59 | // having two segments | |
60 | *rt = str->apply(*s1, *s2); | |
61 | ||
62 | } | |
63 | }; | |
64 | ||
65 | ||
66 | public : | |
67 | BOOST_CONCEPT_USAGE(SegmentIntersectStrategy) | |
68 | { | |
69 | check_methods::apply(); | |
70 | } | |
71 | #endif | |
72 | }; | |
73 | ||
74 | ||
75 | ||
76 | }}} // namespace boost::geometry::concepts | |
77 | ||
78 | #endif // BOOST_GEOMETRY_STRATEGIES_CONCEPTS_SEGMENT_INTERSECT_CONCEPT_HPP |