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1 | // Boost.Geometry (aka GGL, Generic Geometry Library) |
2 | ||
3 | // Copyright (c) 2015 Barend Gehrels, Amsterdam, the Netherlands. | |
4 | ||
5 | // Use, modification and distribution is subject to the Boost Software License, | |
6 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
7 | // http://www.boost.org/LICENSE_1_0.txt) | |
8 | ||
9 | #ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_SECTIONS_SECTION_BOX_POLICIES_HPP | |
10 | #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_SECTIONS_SECTION_BOX_POLICIES_HPP | |
11 | ||
12 | ||
13 | #include <boost/geometry/algorithms/detail/disjoint/box_box.hpp> | |
14 | #include <boost/geometry/algorithms/expand.hpp> | |
15 | ||
16 | ||
17 | namespace boost { namespace geometry | |
18 | { | |
19 | ||
20 | #ifndef DOXYGEN_NO_DETAIL | |
21 | namespace detail { namespace section | |
22 | { | |
23 | ||
24 | struct get_section_box | |
25 | { | |
26 | template <typename Box, typename Section> | |
27 | static inline void apply(Box& total, Section const& section) | |
28 | { | |
29 | geometry::expand(total, section.bounding_box); | |
30 | } | |
31 | }; | |
32 | ||
33 | struct overlaps_section_box | |
34 | { | |
35 | template <typename Box, typename Section> | |
36 | static inline bool apply(Box const& box, Section const& section) | |
37 | { | |
38 | return ! detail::disjoint::disjoint_box_box(box, section.bounding_box); | |
39 | } | |
40 | }; | |
41 | ||
42 | ||
43 | }} // namespace detail::section | |
44 | #endif | |
45 | ||
46 | ||
47 | }} // namespace boost::geometry | |
48 | ||
49 | #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_SECTIONS_SECTION_BOX_POLICIES_HPP |