| // Boost.Geometry (aka GGL, Generic Geometry Library) |
| |
| // Copyright (c) 2007-2011 Barend Gehrels, 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_MULTI_ALGORITHMS_DETAIL_OVERLAY_COPY_SEGMENTS_HPP |
| #define BOOST_GEOMETRY_MULTI_ALGORITHMS_DETAIL_OVERLAY_COPY_SEGMENTS_HPP |
| |
| |
| #include <boost/assert.hpp> |
| #include <boost/range.hpp> |
| |
| #include <boost/geometry/algorithms/detail/overlay/copy_segments.hpp> |
| |
| #include <boost/geometry/multi/core/ring_type.hpp> |
| #include <boost/geometry/multi/core/tags.hpp> |
| |
| |
| namespace boost { namespace geometry |
| { |
| |
| #ifndef DOXYGEN_NO_DETAIL |
| namespace detail { namespace copy_segments |
| { |
| |
| |
| template |
| < |
| typename MultiGeometry, |
| typename SegmentIdentifier, |
| typename RangeOut, |
| typename Policy |
| > |
| struct copy_segments_multi |
| { |
| static inline void apply(MultiGeometry const& multi_geometry, |
| SegmentIdentifier const& seg_id, int to_index, |
| RangeOut& current_output) |
| { |
| |
| BOOST_ASSERT |
| ( |
| seg_id.multi_index >= 0 |
| && seg_id.multi_index < boost::size(multi_geometry) |
| ); |
| |
| // Call the single-version |
| Policy::apply(multi_geometry[seg_id.multi_index], |
| seg_id, to_index, current_output); |
| } |
| }; |
| |
| |
| }} // namespace detail::copy_segments |
| #endif // DOXYGEN_NO_DETAIL |
| |
| |
| #ifndef DOXYGEN_NO_DISPATCH |
| namespace dispatch |
| { |
| |
| |
| template |
| < |
| typename MultiPolygon, |
| bool Reverse, |
| typename SegmentIdentifier, |
| typename RangeOut |
| > |
| struct copy_segments |
| < |
| multi_polygon_tag, |
| MultiPolygon, |
| Reverse, |
| SegmentIdentifier, |
| RangeOut |
| > |
| : detail::copy_segments::copy_segments_multi |
| < |
| MultiPolygon, |
| SegmentIdentifier, |
| RangeOut, |
| detail::copy_segments::copy_segments_polygon |
| < |
| typename boost::range_value<MultiPolygon>::type, |
| Reverse, |
| SegmentIdentifier, |
| RangeOut |
| > |
| > |
| {}; |
| |
| |
| } // namespace dispatch |
| #endif // DOXYGEN_NO_DISPATCH |
| |
| |
| }} // namespace boost::geometry |
| |
| |
| #endif // BOOST_GEOMETRY_MULTI_ALGORITHMS_DETAIL_OVERLAY_COPY_SEGMENTS_HPP |