58 lines
1.2 KiB
C++
58 lines
1.2 KiB
C++
// Boost.Geometry
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// Copyright (c) 2021, Oracle and/or its affiliates.
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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// Licensed under the Boost Software License version 1.0.
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// http://www.boost.org/users/license.html
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#ifndef BOOST_GEOMETRY_STRATEGY_CARTESIAN_AREA_BOX_HPP
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#define BOOST_GEOMETRY_STRATEGY_CARTESIAN_AREA_BOX_HPP
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#include <boost/geometry/core/access.hpp>
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#include <boost/geometry/strategy/area.hpp>
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namespace boost { namespace geometry
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{
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namespace strategy { namespace area
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{
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template
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<
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typename CalculationType = void
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>
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class cartesian_box
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{
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public:
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template <typename Box>
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struct result_type
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: strategy::area::detail::result_type
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<
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Box,
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CalculationType
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>
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{};
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template <typename Box>
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static inline auto apply(Box const& box)
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{
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typedef typename result_type<Box>::type return_type;
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return return_type(get<max_corner, 0>(box) - get<min_corner, 0>(box))
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* return_type(get<max_corner, 1>(box) - get<min_corner, 1>(box));
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}
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};
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}} // namespace strategy::area
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_STRATEGY_CARTESIAN_AREA_BOX_HPP
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