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135 lines
3.8 KiB
C++
135 lines
3.8 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
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// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
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// Copyright (c) 2009-2012 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_GEOMETRIES_POINT_XY_HPP
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#define BOOST_GEOMETRY_GEOMETRIES_POINT_XY_HPP
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#include <cstddef>
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#include <boost/config.hpp>
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#include <boost/mpl/int.hpp>
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#include <boost/geometry/core/cs.hpp>
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#include <boost/geometry/geometries/point.hpp>
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namespace boost { namespace geometry
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{
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namespace model { namespace d2
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{
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/*!
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\brief 2D point in Cartesian coordinate system
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\tparam CoordinateType numeric type, for example, double, float, int
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\tparam CoordinateSystem coordinate system, defaults to cs::cartesian
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\qbk{[include reference/geometries/point_xy.qbk]}
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\qbk{before.synopsis,
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[heading Model of]
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[link geometry.reference.concepts.concept_point Point Concept]
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}
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\qbk{[include reference/geometries/point_assign_warning.qbk]}
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*/
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template<typename CoordinateType, typename CoordinateSystem = cs::cartesian>
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class point_xy : public model::point<CoordinateType, 2, CoordinateSystem>
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{
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public:
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#ifndef BOOST_NO_CXX11_DEFAULTED_FUNCTIONS
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/// \constructor_default_no_init
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point_xy() = default;
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#else
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/// \constructor_default_no_init
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inline point_xy()
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{}
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#endif
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/// Constructor with x/y values
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inline point_xy(CoordinateType const& x, CoordinateType const& y)
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: model::point<CoordinateType, 2, CoordinateSystem>(x, y)
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{}
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/// Get x-value
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inline CoordinateType const& x() const
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{ return this->template get<0>(); }
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/// Get y-value
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inline CoordinateType const& y() const
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{ return this->template get<1>(); }
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/// Set x-value
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inline void x(CoordinateType const& v)
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{ this->template set<0>(v); }
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/// Set y-value
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inline void y(CoordinateType const& v)
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{ this->template set<1>(v); }
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};
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}} // namespace model::d2
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// Adapt the point_xy to the concept
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#ifndef DOXYGEN_NO_TRAITS_SPECIALIZATIONS
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namespace traits
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{
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template <typename CoordinateType, typename CoordinateSystem>
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struct tag<model::d2::point_xy<CoordinateType, CoordinateSystem> >
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{
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typedef point_tag type;
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};
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template<typename CoordinateType, typename CoordinateSystem>
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struct coordinate_type<model::d2::point_xy<CoordinateType, CoordinateSystem> >
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{
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typedef CoordinateType type;
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};
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template<typename CoordinateType, typename CoordinateSystem>
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struct coordinate_system<model::d2::point_xy<CoordinateType, CoordinateSystem> >
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{
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typedef CoordinateSystem type;
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};
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template<typename CoordinateType, typename CoordinateSystem>
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struct dimension<model::d2::point_xy<CoordinateType, CoordinateSystem> >
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: boost::mpl::int_<2>
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{};
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template<typename CoordinateType, typename CoordinateSystem, std::size_t Dimension>
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struct access<model::d2::point_xy<CoordinateType, CoordinateSystem>, Dimension >
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{
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static inline CoordinateType get(
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model::d2::point_xy<CoordinateType, CoordinateSystem> const& p)
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{
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return p.template get<Dimension>();
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}
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static inline void set(model::d2::point_xy<CoordinateType, CoordinateSystem>& p,
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CoordinateType const& value)
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{
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p.template set<Dimension>(value);
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}
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};
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} // namespace traits
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#endif // DOXYGEN_NO_TRAITS_SPECIALIZATIONS
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_GEOMETRIES_POINT_XY_HPP
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