// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2007-2012 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_DETAIL_OVERLAY_OVERLAY_TYPE_HPP
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#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_OVERLAY_TYPE_HPP
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namespace boost { namespace geometry
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{
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// TODO: move to detail
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enum overlay_type
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{
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overlay_union,
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overlay_intersection,
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overlay_difference,
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overlay_buffer,
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overlay_dissolve
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};
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#ifndef DOXYGEN_NO_DETAIL
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namespace detail { namespace overlay
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{
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enum operation_type
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{
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operation_none,
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operation_union,
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operation_intersection,
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operation_blocked,
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operation_continue,
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operation_opposite
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};
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template <overlay_type OverlayType>
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struct operation_from_overlay
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{
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};
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template <>
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struct operation_from_overlay<overlay_union>
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{
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static const operation_type value = operation_union;
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};
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template <>
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struct operation_from_overlay<overlay_buffer>
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{
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static const operation_type value = operation_union;
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};
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template <>
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struct operation_from_overlay<overlay_intersection>
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{
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static const operation_type value = operation_intersection;
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};
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template <>
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struct operation_from_overlay<overlay_difference>
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{
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static const operation_type value = operation_intersection;
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};
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template <>
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struct operation_from_overlay<overlay_dissolve>
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{
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static const operation_type value = operation_union;
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};
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}} // namespace detail::overlay
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#endif //DOXYGEN_NO_DETAIL
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAY_OVERLAY_TYPE_HPP
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