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46 lines
1.2 KiB
46 lines
1.2 KiB
// Boost.Geometry (aka GGL, Generic Geometry Library) |
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// Copyright (c) 2007-2011 Barend Gehrels, Amsterdam, the Netherlands. |
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// Copyright (c) 2008-2011 Bruno Lalande, Paris, France. |
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// Copyright (c) 2009-2011 Mateusz Loskot, London, UK. |
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// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library |
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// (geolib/GGL), copyright (c) 1995-2010 Geodan, 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_UTIL_ORDER_AS_DIRECTION_HPP |
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#define BOOST_GEOMETRY_UTIL_ORDER_AS_DIRECTION_HPP |
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#include <boost/geometry/core/point_order.hpp> |
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#include <boost/geometry/views/reversible_view.hpp> |
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namespace boost { namespace geometry |
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{ |
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template<order_selector Order> |
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struct order_as_direction |
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{}; |
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template<> |
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struct order_as_direction<clockwise> |
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{ |
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static const iterate_direction value = iterate_forward; |
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}; |
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template<> |
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struct order_as_direction<counterclockwise> |
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{ |
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static const iterate_direction value = iterate_reverse; |
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}; |
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}} // namespace boost::geometry |
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#endif // BOOST_GEOMETRY_UTIL_ORDER_AS_DIRECTION_HPP
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