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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.
- // Copyright (c) 2014 Adam Wulkiewicz, Lodz, Poland.
- // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
- // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
- // This file was modified by Oracle on 2016.
- // Modifications copyright (c) 2016 Oracle and/or its affiliates.
- // Contributed and/or modified by Vissarion Fysikopoulos, on behalf of Oracle
- // 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_ALGORITHMS_DETAIL_CALCULATE_SUM_HPP
- #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_CALCULATE_SUM_HPP
- #include <boost/range.hpp>
- namespace boost { namespace geometry
- {
- #ifndef DOXYGEN_NO_DETAIL
- namespace detail
- {
- class calculate_polygon_sum
- {
- template <typename ReturnType, typename Policy, typename Rings, typename Strategy>
- static inline ReturnType sum_interior_rings(Rings const& rings, Strategy const& strategy)
- {
- ReturnType sum = ReturnType(0);
- for (typename boost::range_iterator<Rings const>::type
- it = boost::begin(rings); it != boost::end(rings); ++it)
- {
- sum += Policy::apply(*it, strategy);
- }
- return sum;
- }
- public :
- template <typename ReturnType, typename Policy, typename Polygon, typename Strategy>
- static inline ReturnType apply(Polygon const& poly, Strategy const& strategy)
- {
- return Policy::apply(exterior_ring(poly), strategy)
- + sum_interior_rings<ReturnType, Policy>(interior_rings(poly), strategy)
- ;
- }
- };
- } // namespace detail
- #endif // DOXYGEN_NO_DETAIL
- }} // namespace boost::geometry
- #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_CALCULATE_SUM_HPP
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