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81 lines
2.0 KiB
81 lines
2.0 KiB
// Boost.Geometry (aka GGL, Generic Geometry Library) |
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// Copyright (c) 2007-2011 Barend Gehrels, Amsterdam, the Netherlands. |
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// Copyright (c) 2008-2011 Bruno Lalande, Paris, France. |
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// Copyright (c) 2009-2011 Mateusz Loskot, London, UK. |
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// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library |
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// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands. |
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// Use, modification and distribution is subject to the Boost Software License, |
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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// http://www.boost.org/LICENSE_1_0.txt) |
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#ifndef BOOST_GEOMETRY_MULTI_ALGORITHMS_NUM_POINTS_HPP |
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#define BOOST_GEOMETRY_MULTI_ALGORITHMS_NUM_POINTS_HPP |
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#include <boost/range.hpp> |
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#include <boost/geometry/multi/core/tags.hpp> |
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#include <boost/geometry/algorithms/num_points.hpp> |
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namespace boost { namespace geometry |
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{ |
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#ifndef DOXYGEN_NO_DETAIL |
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namespace detail { namespace num_points |
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{ |
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template <typename MultiGeometry> |
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struct multi_count |
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{ |
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static inline size_t apply(MultiGeometry const& geometry, bool add_for_open) |
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{ |
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typedef typename boost::range_value<MultiGeometry>::type geometry_type; |
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typedef typename boost::range_iterator |
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< |
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MultiGeometry const |
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>::type iterator_type; |
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std::size_t n = 0; |
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for (iterator_type it = boost::begin(geometry); |
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it != boost::end(geometry); |
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++it) |
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{ |
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n += dispatch::num_points |
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< |
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typename tag<geometry_type>::type, |
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geometry_type |
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>::apply(*it, add_for_open); |
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} |
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return n; |
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} |
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}; |
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}} // namespace detail::num_points |
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#endif |
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#ifndef DOXYGEN_NO_DISPATCH |
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namespace dispatch |
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{ |
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template <typename Geometry> |
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struct num_points<multi_tag, Geometry> |
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: detail::num_points::multi_count<Geometry> {}; |
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} // namespace dispatch |
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#endif |
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}} // namespace boost::geometry |
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#endif // BOOST_GEOMETRY_MULTI_ALGORITHMS_NUM_POINTS_HPP
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