projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | // Boost.Geometry (aka GGL, Generic Geometry Library) |
| 2 | ||
| 3 | // Copyright (c) 2007-2012 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_OVERLAY_SEGMENT_IDENTIFIER_HPP | |
| 10 | #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_SEGMENT_IDENTIFIER_HPP | |
| 11 | ||
| 12 | ||
| 13 | #if defined(BOOST_GEOMETRY_DEBUG_OVERLAY) | |
| 14 | # define BOOST_GEOMETRY_DEBUG_SEGMENT_IDENTIFIER | |
| 15 | #endif | |
| 16 | ||
| 17 | #if defined(BOOST_GEOMETRY_DEBUG_SEGMENT_IDENTIFIER) | |
| 18 | #include <iostream> | |
| 19 | #endif | |
| 20 | ||
| 21 | ||
| 22 | #include <boost/geometry/algorithms/detail/signed_size_type.hpp> | |
| 23 | ||
| 24 | ||
| 25 | namespace boost { namespace geometry | |
| 26 | { | |
| 27 | ||
| 28 | ||
| 29 | ||
| 30 | // Internal struct to uniquely identify a segment | |
| 31 | // on a linestring,ring | |
| 32 | // or polygon (needs ring_index) | |
| 33 | // or multi-geometry (needs multi_index) | |
| 34 | struct segment_identifier | |
| 35 | { | |
| 36 | inline segment_identifier() | |
| 37 | : source_index(-1) | |
| 38 | , multi_index(-1) | |
| 39 | , ring_index(-1) | |
| 40 | , segment_index(-1) | |
| 41 | , piece_index(-1) | |
| 42 | {} | |
| 43 | ||
| 44 | inline segment_identifier(signed_size_type src, | |
| 45 | signed_size_type mul, | |
| 46 | signed_size_type rin, | |
| 47 | signed_size_type seg) | |
| 48 | : source_index(src) | |
| 49 | , multi_index(mul) | |
| 50 | , ring_index(rin) | |
| 51 | , segment_index(seg) | |
| 52 | , piece_index(-1) | |
| 53 | {} | |
| 54 | ||
| 55 | inline bool operator<(segment_identifier const& other) const | |
| 56 | { | |
| 57 | return source_index != other.source_index ? source_index < other.source_index | |
| 58 | : multi_index !=other.multi_index ? multi_index < other.multi_index | |
| 59 | : ring_index != other.ring_index ? ring_index < other.ring_index | |
| 60 | : segment_index < other.segment_index | |
| 61 | ; | |
| 62 | } | |
| 63 | ||
| 64 | inline bool operator==(segment_identifier const& other) const | |
| 65 | { | |
| 66 | return source_index == other.source_index | |
| 67 | && segment_index == other.segment_index | |
| 68 | && ring_index == other.ring_index | |
| 69 | && multi_index == other.multi_index | |
| 70 | ; | |
| 71 | } | |
| 72 | ||
| 73 | #if defined(BOOST_GEOMETRY_DEBUG_SEGMENT_IDENTIFIER) | |
| 74 | friend std::ostream& operator<<(std::ostream &os, segment_identifier const& seg_id) | |
| 75 | { | |
| 76 | os | |
| 77 | << "s:" << seg_id.source_index | |
| 78 | << ", v:" << seg_id.segment_index // v:vertex because s is used for source | |
| 79 | ; | |
| 80 | if (seg_id.ring_index >= 0) os << ", r:" << seg_id.ring_index; | |
| 81 | if (seg_id.multi_index >= 0) os << ", m:" << seg_id.multi_index; | |
| 82 | return os; | |
| 83 | } | |
| 84 | #endif | |
| 85 | ||
| 86 | signed_size_type source_index; | |
| 87 | signed_size_type multi_index; | |
| 88 | signed_size_type ring_index; | |
| 89 | signed_size_type segment_index; | |
| 90 | ||
| 91 | // For buffer - todo: move this to buffer-only | |
| 92 | signed_size_type piece_index; | |
| 93 | }; | |
| 94 | ||
| 95 | ||
| 96 | ||
| 97 | }} // namespace boost::geometry | |
| 98 | ||
| 99 | #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_SEGMENT_IDENTIFIER_HPP |