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