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// Boost.Geometry (aka GGL, Generic Geometry Library)
// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
// (geolib/GGL), copyright (c) 1995-2010 Geodan, 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_SECTIONS_RANGE_BY_SECTION_HPP
#define BOOST_GEOMETRY_MULTI_ALGORITHMS_DETAIL_SECTIONS_RANGE_BY_SECTION_HPP
#include <boost/assert.hpp>
#include <boost/range.hpp>
#include <boost/geometry/multi/core/tags.hpp>
#include <boost/geometry/multi/core/ring_type.hpp>
#include <boost/geometry/algorithms/detail/sections/range_by_section.hpp>
namespace boost { namespace geometry
{
#ifndef DOXYGEN_NO_DETAIL
namespace detail { namespace section
{
template
<
typename MultiGeometry,
typename Section,
typename Policy
>
struct full_section_multi
{
static inline typename ring_return_type<MultiGeometry const>::type apply(
MultiGeometry const& multi, Section const& section)
{
BOOST_ASSERT
(
section.ring_id.multi_index >= 0
&& section.ring_id.multi_index < boost::size(multi)
);
return Policy::apply(multi[section.ring_id.multi_index], section);
}
};
}} // namespace detail::section
#endif
#ifndef DOXYGEN_NO_DISPATCH
namespace dispatch
{
template <typename MultiPolygon, typename Section>
struct range_by_section<multi_polygon_tag, MultiPolygon, Section>
: detail::section::full_section_multi
<
MultiPolygon,
Section,
detail::section::full_section_polygon
<
typename boost::range_value<MultiPolygon>::type,
Section
>
>
{};
} // namespace dispatch
#endif
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_MULTI_ALGORITHMS_DETAIL_SECTIONS_RANGE_BY_SECTION_HPP
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