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// 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