86 lines
2.6 KiB
C++
86 lines
2.6 KiB
C++
/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2017 Artem Pavlenko
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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#ifndef MAPNIK_GEOMETRY_HPP
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#define MAPNIK_GEOMETRY_HPP
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// mapnik
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#include <mapnik/geometry/point.hpp>
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#include <mapnik/geometry/line_string.hpp>
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#include <mapnik/geometry/polygon.hpp>
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#include <mapnik/geometry/multi_point.hpp>
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#include <mapnik/geometry/multi_line_string.hpp>
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#include <mapnik/geometry/multi_polygon.hpp>
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//
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#include <mapnik/util/variant.hpp>
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// stl
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#include <vector>
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#include <deque>
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#include <type_traits>
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#include <cstddef>
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namespace mapnik { namespace geometry {
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template <typename T, template <typename...> class Cont = std::vector>
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struct geometry_collection;
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struct geometry_empty {};
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template <typename T>
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using geometry_base = mapnik::util::variant<geometry_empty,
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point<T>,
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line_string<T>,
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polygon<T>,
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multi_point<T>,
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multi_line_string<T>,
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multi_polygon<T>,
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geometry_collection<T> >;
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template <typename T>
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struct geometry : geometry_base<T>
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{
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using coordinate_type = T;
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#if __cpp_inheriting_constructors >= 200802
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using geometry_base<T>::geometry_base;
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#else
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geometry() = default;
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template <typename G>
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geometry(G && geom)
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: geometry_base<T>(std::forward<G>(geom)) {}
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#endif
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};
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template <typename T, template <typename...> class Cont>
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struct geometry_collection : Cont<geometry<T>>
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{
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using coordinate_type = T;
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};
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}}
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#endif //MAPNIK_GEOMETRY_HPP
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