220 lines
7.4 KiB
C++
220 lines
7.4 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) 2015 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_ADAPTERS_HPP
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#define MAPNIK_GEOMETRY_ADAPTERS_HPP
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#include <mapnik/config.hpp>
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// undef B0 to workaround https://svn.boost.org/trac/boost/ticket/10467
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#pragma GCC diagnostic push
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#include <mapnik/warning_ignore.hpp>
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#undef B0
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#include <boost/geometry/geometries/register/linestring.hpp>
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#include <boost/geometry/geometries/register/point.hpp>
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#include <boost/geometry/geometries/register/ring.hpp>
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// NOTE: ideally we would not include all of boost/geometry here to save on compile time
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// however we need to pull in <boost/geometry/multi/multi.hpp> for things to work
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// and once we do that the compile time is == to just including boost/geometry.hpp
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#include <boost/geometry.hpp>
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#pragma GCC diagnostic pop
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#include <mapnik/geometry.hpp>
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#include <mapnik/coord.hpp>
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#include <mapnik/box2d.hpp>
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#include <cstdint>
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// register point
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BOOST_GEOMETRY_REGISTER_POINT_2D (mapnik::geometry::point<double>, double, boost::geometry::cs::cartesian, x, y)
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BOOST_GEOMETRY_REGISTER_POINT_2D (mapnik::geometry::point<std::int64_t>, std::int64_t, boost::geometry::cs::cartesian, x, y)
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// ring
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BOOST_GEOMETRY_REGISTER_RING_TEMPLATED(mapnik::geometry::linear_ring)
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// needed by box2d<double>
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BOOST_GEOMETRY_REGISTER_POINT_2D(mapnik::coord2d, double, boost::geometry::cs::cartesian, x, y)
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namespace boost {
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template <typename CoordinateType>
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struct range_iterator<mapnik::geometry::line_string<CoordinateType> >
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{
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using type = typename mapnik::geometry::line_string<CoordinateType>::iterator;
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};
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template <typename CoordinateType>
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struct range_const_iterator<mapnik::geometry::line_string<CoordinateType> >
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{
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using type = typename mapnik::geometry::line_string<CoordinateType>::const_iterator;
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};
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template <typename CoordinateType>
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inline typename mapnik::geometry::line_string<CoordinateType>::iterator
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range_begin(mapnik::geometry::line_string<CoordinateType> & line) {return line.begin();}
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template <typename CoordinateType>
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inline typename mapnik::geometry::line_string<CoordinateType>::iterator
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range_end(mapnik::geometry::line_string<CoordinateType> & line) {return line.end();}
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template <typename CoordinateType>
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inline typename mapnik::geometry::line_string<CoordinateType>::const_iterator
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range_begin(mapnik::geometry::line_string<CoordinateType> const& line) {return line.begin();}
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template <typename CoordinateType>
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inline typename mapnik::geometry::line_string<CoordinateType>::const_iterator
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range_end(mapnik::geometry::line_string<CoordinateType> const& line) {return line.end();}
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namespace geometry { namespace traits {
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// register mapnik::box2d<double>
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template<> struct tag<mapnik::box2d<double> > { using type = box_tag; };
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template<> struct point_type<mapnik::box2d<double> > { using type = mapnik::coord2d; };
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template <>
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struct indexed_access<mapnik::box2d<double>, min_corner, 0>
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{
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using ct = coordinate_type<mapnik::coord2d>::type;
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static inline ct get(mapnik::box2d<double> const& b) { return b.minx();}
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static inline void set(mapnik::box2d<double> &b, ct const& value) { b.set_minx(value); }
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};
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template <>
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struct indexed_access<mapnik::box2d<double>, min_corner, 1>
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{
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using ct = coordinate_type<mapnik::coord2d>::type;
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static inline ct get(mapnik::box2d<double> const& b) { return b.miny();}
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static inline void set(mapnik::box2d<double> &b, ct const& value) { b.set_miny(value); }
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};
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template <>
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struct indexed_access<mapnik::box2d<double>, max_corner, 0>
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{
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using ct = coordinate_type<mapnik::coord2d>::type;
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static inline ct get(mapnik::box2d<double> const& b) { return b.maxx();}
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static inline void set(mapnik::box2d<double> &b, ct const& value) { b.set_maxx(value); }
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};
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template <>
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struct indexed_access<mapnik::box2d<double>, max_corner, 1>
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{
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using ct = coordinate_type<mapnik::coord2d>::type;
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static inline ct get(mapnik::box2d<double> const& b) { return b.maxy();}
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static inline void set(mapnik::box2d<double> &b , ct const& value) { b.set_maxy(value); }
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};
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// mapnik::geometry::line_string
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template<typename CoordinateType>
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struct tag<mapnik::geometry::line_string<CoordinateType> >
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{
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using type = linestring_tag;
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};
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// mapnik::geometry::polygon
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template<typename CoordinateType>
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struct tag<mapnik::geometry::polygon<CoordinateType> >
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{
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using type = polygon_tag;
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};
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template <typename CoordinateType>
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struct point_order<mapnik::geometry::linear_ring<CoordinateType> >
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{
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static const order_selector value = counterclockwise;
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};
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template<typename CoordinateType>
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struct tag<mapnik::geometry::multi_point<CoordinateType> >
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{
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using type = multi_point_tag;
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};
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template<typename CoordinateType>
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struct tag<mapnik::geometry::multi_line_string<CoordinateType> >
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{
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using type = multi_linestring_tag;
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};
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template<typename CoordinateType>
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struct tag<mapnik::geometry::multi_polygon<CoordinateType> >
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{
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using type = multi_polygon_tag;
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};
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// ring
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template <typename CoordinateType>
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struct ring_const_type<mapnik::geometry::polygon<CoordinateType> >
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{
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using type = typename mapnik::geometry::linear_ring<CoordinateType> const&;
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};
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template <typename CoordinateType>
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struct ring_mutable_type<mapnik::geometry::polygon<CoordinateType> >
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{
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using type = typename mapnik::geometry::linear_ring<CoordinateType>&;
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};
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// interior
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template <typename CoordinateType>
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struct interior_const_type<mapnik::geometry::polygon<CoordinateType> >
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{
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using type = typename mapnik::geometry::polygon<CoordinateType>::rings_container const&;
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};
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template <typename CoordinateType>
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struct interior_mutable_type<mapnik::geometry::polygon<CoordinateType> >
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{
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using type = typename mapnik::geometry::polygon<CoordinateType>::rings_container&;
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};
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// exterior
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template <typename CoordinateType>
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struct exterior_ring<mapnik::geometry::polygon<CoordinateType> >
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{
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static mapnik::geometry::linear_ring<CoordinateType> & get(mapnik::geometry::polygon<CoordinateType> & p)
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{
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return p.exterior_ring;
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}
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static mapnik::geometry::linear_ring<CoordinateType> const& get(mapnik::geometry::polygon<CoordinateType> const& p)
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{
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return p.exterior_ring;
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}
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};
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template <typename CoordinateType>
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struct interior_rings<mapnik::geometry::polygon<CoordinateType> >
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{
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using holes_type = typename mapnik::geometry::polygon<CoordinateType>::rings_container;
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static holes_type& get(mapnik::geometry::polygon<CoordinateType> & p)
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{
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return p.interior_rings;
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}
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static holes_type const& get(mapnik::geometry::polygon<CoordinateType> const& p)
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{
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return p.interior_rings;
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}
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};
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}}}
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#endif //MAPNIK_GEOMETRY_ADAPTERS_HPP
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