]>
Commit | Line | Data |
---|---|---|
7c673cae FG |
1 | // Boost.Geometry (aka GGL, Generic Geometry Library) |
2 | ||
3 | // Copyright (c) 2007-2015 Barend Gehrels, Amsterdam, the Netherlands. | |
4 | ||
5 | // This file was modified by Oracle on 2015, 2016. | |
6 | // Modifications copyright (c) 2015-2016 Oracle and/or its affiliates. | |
7 | // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle | |
8 | ||
9 | // Use, modification and distribution is subject to the Boost Software License, | |
10 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
11 | // http://www.boost.org/LICENSE_1_0.txt) | |
12 | ||
13 | #ifndef BOOST_GEOMETRY_STRATEGIES_INTERSECTION_RESULT_HPP | |
14 | #define BOOST_GEOMETRY_STRATEGIES_INTERSECTION_RESULT_HPP | |
15 | ||
16 | #if defined(HAVE_MATRIX_AS_STRING) | |
17 | #include <string> | |
18 | #endif | |
19 | ||
20 | #include <cstddef> | |
21 | ||
22 | ||
23 | ||
24 | namespace boost { namespace geometry | |
25 | { | |
26 | ||
27 | template <typename SegmentRatio> | |
28 | struct fraction_type | |
29 | { | |
30 | SegmentRatio robust_ra; // TODO this can be renamed now to "ra" | |
31 | SegmentRatio robust_rb; | |
32 | ||
33 | bool initialized; | |
34 | inline fraction_type() | |
35 | : initialized(false) | |
36 | {} | |
37 | ||
38 | template <typename Info> | |
39 | inline void assign(Info const& info) | |
40 | { | |
41 | initialized = true; | |
42 | robust_ra = info.robust_ra; | |
43 | robust_rb = info.robust_rb; | |
44 | } | |
45 | ||
46 | inline void assign(SegmentRatio const& a, SegmentRatio const& b) | |
47 | { | |
48 | initialized = true; | |
49 | robust_ra = a; | |
50 | robust_rb = b; | |
51 | } | |
52 | ||
53 | }; | |
54 | ||
55 | // | |
56 | /*! | |
57 | \brief return-type for segment-intersection | |
58 | \note Set in intersection_points.hpp, from segment_intersection_info | |
59 | */ | |
60 | template <typename Point, typename SegmentRatio> | |
61 | struct segment_intersection_points | |
62 | { | |
63 | std::size_t count; // The number of intersection points | |
64 | ||
65 | // TODO: combine intersections and fractions in one struct | |
66 | Point intersections[2]; | |
67 | fraction_type<SegmentRatio> fractions[2]; | |
68 | typedef Point point_type; | |
69 | ||
70 | segment_intersection_points() | |
71 | : count(0) | |
72 | {} | |
73 | }; | |
74 | ||
75 | }} // namespace boost::geometry | |
76 | ||
77 | ||
78 | #endif // BOOST_GEOMETRY_STRATEGIES_INTERSECTION_RESULT_HPP |