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Diffstat (limited to 'boost/geometry/multi/algorithms/detail/sections/range_by_section.hpp')
-rw-r--r-- | boost/geometry/multi/algorithms/detail/sections/range_by_section.hpp | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/boost/geometry/multi/algorithms/detail/sections/range_by_section.hpp b/boost/geometry/multi/algorithms/detail/sections/range_by_section.hpp new file mode 100644 index 0000000000..cf4bf5d83b --- /dev/null +++ b/boost/geometry/multi/algorithms/detail/sections/range_by_section.hpp @@ -0,0 +1,90 @@ +// 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 |