Added boost header
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Christophe Riccio
284
test/external/boost/geometry/algorithms/union.hpp
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284
test/external/boost/geometry/algorithms/union.hpp
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// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2007-2011 Barend Gehrels, 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_ALGORITHMS_UNION_HPP
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#define BOOST_GEOMETRY_ALGORITHMS_UNION_HPP
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#include <boost/mpl/if.hpp>
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#include <boost/range/metafunctions.hpp>
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#include <boost/geometry/core/is_areal.hpp>
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#include <boost/geometry/core/point_order.hpp>
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#include <boost/geometry/core/reverse_dispatch.hpp>
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#include <boost/geometry/geometries/concepts/check.hpp>
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#include <boost/geometry/algorithms/detail/overlay/overlay.hpp>
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namespace boost { namespace geometry
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{
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#ifndef DOXYGEN_NO_DISPATCH
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namespace dispatch
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{
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template
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<
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// tag dispatching:
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typename TagIn1, typename TagIn2, typename TagOut,
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// metafunction finetuning helpers:
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bool Areal1, bool Areal2, bool ArealOut,
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// real types
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typename Geometry1, typename Geometry2,
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bool Reverse1, bool Reverse2, bool ReverseOut,
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typename OutputIterator,
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typename GeometryOut,
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typename Strategy
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>
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struct union_insert
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{
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BOOST_MPL_ASSERT_MSG
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(
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false, NOT_OR_NOT_YET_IMPLEMENTED_FOR_THIS_GEOMETRY_TYPES
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, (types<Geometry1, Geometry2, GeometryOut>)
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);
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};
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template
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<
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typename TagIn1, typename TagIn2, typename TagOut,
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typename Geometry1, typename Geometry2,
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bool Reverse1, bool Reverse2, bool ReverseOut,
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typename OutputIterator,
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typename GeometryOut,
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typename Strategy
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>
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struct union_insert
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<
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TagIn1, TagIn2, TagOut,
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true, true, true,
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Geometry1, Geometry2,
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Reverse1, Reverse2, ReverseOut,
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OutputIterator, GeometryOut,
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Strategy
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> : detail::overlay::overlay
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<Geometry1, Geometry2, Reverse1, Reverse2, ReverseOut, OutputIterator, GeometryOut, overlay_union, Strategy>
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{};
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template
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<
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typename GeometryTag1, typename GeometryTag2, typename GeometryTag3,
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bool Areal1, bool Areal2, bool ArealOut,
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typename Geometry1, typename Geometry2,
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bool Reverse1, bool Reverse2, bool ReverseOut,
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typename OutputIterator, typename GeometryOut,
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typename Strategy
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>
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struct union_insert_reversed
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{
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static inline OutputIterator apply(Geometry1 const& g1,
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Geometry2 const& g2, OutputIterator out,
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Strategy const& strategy)
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{
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return union_insert
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<
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GeometryTag2, GeometryTag1, GeometryTag3,
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Areal2, Areal1, ArealOut,
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Geometry2, Geometry1,
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Reverse2, Reverse1, ReverseOut,
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OutputIterator, GeometryOut,
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Strategy
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>::apply(g2, g1, out, strategy);
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}
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};
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} // namespace dispatch
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#endif // DOXYGEN_NO_DISPATCH
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#ifndef DOXYGEN_NO_DETAIL
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namespace detail { namespace union_
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{
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template
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<
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typename GeometryOut,
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typename Geometry1, typename Geometry2,
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typename OutputIterator,
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typename Strategy
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>
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inline OutputIterator insert(Geometry1 const& geometry1,
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Geometry2 const& geometry2,
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OutputIterator out,
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Strategy const& strategy)
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{
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return boost::mpl::if_c
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<
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geometry::reverse_dispatch<Geometry1, Geometry2>::type::value,
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dispatch::union_insert_reversed
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<
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typename tag<Geometry1>::type,
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typename tag<Geometry2>::type,
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typename tag<GeometryOut>::type,
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geometry::is_areal<Geometry1>::value,
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geometry::is_areal<Geometry2>::value,
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geometry::is_areal<GeometryOut>::value,
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Geometry1, Geometry2,
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overlay::do_reverse<geometry::point_order<Geometry1>::value>::value,
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overlay::do_reverse<geometry::point_order<Geometry2>::value>::value,
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overlay::do_reverse<geometry::point_order<GeometryOut>::value>::value,
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OutputIterator, GeometryOut,
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Strategy
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>,
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dispatch::union_insert
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<
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typename tag<Geometry1>::type,
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typename tag<Geometry2>::type,
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typename tag<GeometryOut>::type,
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geometry::is_areal<Geometry1>::value,
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geometry::is_areal<Geometry2>::value,
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geometry::is_areal<GeometryOut>::value,
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Geometry1, Geometry2,
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overlay::do_reverse<geometry::point_order<Geometry1>::value>::value,
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overlay::do_reverse<geometry::point_order<Geometry2>::value>::value,
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overlay::do_reverse<geometry::point_order<GeometryOut>::value>::value,
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OutputIterator, GeometryOut,
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Strategy
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>
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>::type::apply(geometry1, geometry2, out, strategy);
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}
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/*!
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\brief_calc2{union} \brief_strategy
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\ingroup union
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\details \details_calc2{union_insert, spatial set theoretic union}
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\brief_strategy. details_insert{union}
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\tparam GeometryOut output geometry type, must be specified
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\tparam Geometry1 \tparam_geometry
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\tparam Geometry2 \tparam_geometry
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\tparam OutputIterator output iterator
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\tparam Strategy \tparam_strategy_overlay
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\param geometry1 \param_geometry
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\param geometry2 \param_geometry
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\param out \param_out{union}
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\param strategy \param_strategy{union}
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\return \return_out
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\qbk{distinguish,with strategy}
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*/
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template
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<
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typename GeometryOut,
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typename Geometry1,
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typename Geometry2,
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typename OutputIterator,
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typename Strategy
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>
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inline OutputIterator union_insert(Geometry1 const& geometry1,
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Geometry2 const& geometry2,
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OutputIterator out,
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Strategy const& strategy)
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{
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concept::check<Geometry1 const>();
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concept::check<Geometry2 const>();
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concept::check<GeometryOut>();
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return detail::union_::insert<GeometryOut>(geometry1, geometry2, out, strategy);
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}
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/*!
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\brief_calc2{union}
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\ingroup union
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\details \details_calc2{union_insert, spatial set theoretic union}.
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\details_insert{union}
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\tparam GeometryOut output geometry type, must be specified
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\tparam Geometry1 \tparam_geometry
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\tparam Geometry2 \tparam_geometry
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\tparam OutputIterator output iterator
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\param geometry1 \param_geometry
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\param geometry2 \param_geometry
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\param out \param_out{union}
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\return \return_out
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*/
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template
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<
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typename GeometryOut,
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typename Geometry1,
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typename Geometry2,
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typename OutputIterator
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>
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inline OutputIterator union_insert(Geometry1 const& geometry1,
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Geometry2 const& geometry2,
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OutputIterator out)
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{
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concept::check<Geometry1 const>();
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concept::check<Geometry2 const>();
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concept::check<GeometryOut>();
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typedef strategy_intersection
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<
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typename cs_tag<GeometryOut>::type,
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Geometry1,
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Geometry2,
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typename geometry::point_type<GeometryOut>::type
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> strategy;
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return union_insert<GeometryOut>(geometry1, geometry2, out, strategy());
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}
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}} // namespace detail::union_
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#endif // DOXYGEN_NO_DETAIL
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/*!
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\brief Combines two geometries which each other
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\ingroup union
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\details \details_calc2{union, spatial set theoretic union}.
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\tparam Geometry1 \tparam_geometry
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\tparam Geometry2 \tparam_geometry
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\tparam Collection output collection, either a multi-geometry,
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or a std::vector<Geometry> / std::deque<Geometry> etc
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\param geometry1 \param_geometry
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\param geometry2 \param_geometry
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\param output_collection the output collection
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\note Called union_ because union is a reserved word.
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\qbk{[include reference/algorithms/union.qbk]}
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*/
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template
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<
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typename Geometry1,
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typename Geometry2,
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typename Collection
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>
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inline void union_(Geometry1 const& geometry1,
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Geometry2 const& geometry2,
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Collection& output_collection)
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{
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concept::check<Geometry1 const>();
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concept::check<Geometry2 const>();
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typedef typename boost::range_value<Collection>::type geometry_out;
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concept::check<geometry_out>();
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detail::union_::union_insert<geometry_out>(geometry1, geometry2,
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std::back_inserter(output_collection));
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}
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_ALGORITHMS_UNION_HPP
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