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boost.geometry <-- mapnik-geometry adapters
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include/mapnik/geometry_adapters.hpp
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include/mapnik/geometry_adapters.hpp
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/*****************************************************************************
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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 <boost/geometry.hpp>
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#include <boost/geometry/geometries/register/point.hpp>
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#include <boost/geometry/geometries/register/linestring.hpp>
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#include <boost/geometry/geometries/register/ring.hpp>
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#include <boost/range.hpp>
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#include <boost/range/iterator_range_core.hpp>
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#include <boost/geometry/core/mutable_range.hpp>
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#include <boost/geometry/core/tag.hpp>
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#include <boost/geometry/core/tags.hpp>
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// register point
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BOOST_GEOMETRY_REGISTER_POINT_2D (mapnik::new_geometry::point, double, cs::cartesian, x, y)
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// ring
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BOOST_GEOMETRY_REGISTER_RING(mapnik::new_geometry::linear_ring)
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namespace boost {
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template <>
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struct range_iterator<mapnik::new_geometry::line_string>
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{
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using type = mapnik::new_geometry::line_string::iterator_type;
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};
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template <>
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struct range_const_iterator<mapnik::new_geometry::line_string>
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{
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using type = mapnik::new_geometry::line_string::const_iterator_type;
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};
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inline mapnik::new_geometry::line_string::iterator_type
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range_begin(mapnik::new_geometry::line_string & line) {return line.begin();}
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inline mapnik::new_geometry::line_string::iterator_type
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range_end(mapnik::new_geometry::line_string & line) {return line.end();}
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inline mapnik::new_geometry::line_string::const_iterator_type
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range_begin(mapnik::new_geometry::line_string const& line) {return line.begin();}
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inline mapnik::new_geometry::line_string::const_iterator_type
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range_end(mapnik::new_geometry::line_string const& line) {return line.end();}
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// register polygon
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namespace geometry { namespace traits {
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template<> struct tag<mapnik::new_geometry::bounding_box> { using type = box_tag; };
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template<> struct point_type<mapnik::new_geometry::bounding_box> { using type = mapnik::new_geometry::point; };
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template <>
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struct indexed_access<mapnik::new_geometry::bounding_box, min_corner, 0>
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{
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static inline double get(mapnik::new_geometry::bounding_box const& b) { return b.p0.x;}
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static inline void set(mapnik::new_geometry::bounding_box& b, double value) { b.p0.x = value; }
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};
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template <>
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struct indexed_access<mapnik::new_geometry::bounding_box, min_corner, 1>
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{
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static inline double get(mapnik::new_geometry::bounding_box const& b) { return b.p0.y;}
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static inline void set(mapnik::new_geometry::bounding_box& b, double value) { b.p0.y = value; }
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};
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template <>
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struct indexed_access<mapnik::new_geometry::bounding_box, max_corner, 0>
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{
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static inline double get(mapnik::new_geometry::bounding_box const& b) { return b.p1.x;}
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static inline void set(mapnik::new_geometry::bounding_box& b, double value) { b.p1.x = value; }
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};
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template <>
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struct indexed_access<mapnik::new_geometry::bounding_box, max_corner, 1>
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{
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static inline double get(mapnik::new_geometry::bounding_box const& b) { return b.p1.y;}
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static inline void set(mapnik::new_geometry::bounding_box& b, double value) { b.p1.y = value; }
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};
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template<>
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struct tag<mapnik::new_geometry::line_string>
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{
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using type = ring_tag;
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};
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// polygon 2
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template<> struct tag<mapnik::new_geometry::polygon2>
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{
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using type = polygon_tag;
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};
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// ring
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template<> struct ring_const_type<mapnik::new_geometry::polygon2>
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{
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using type = mapnik::new_geometry::line_string::cont_type const&;
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};
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template<> struct ring_mutable_type<mapnik::new_geometry::polygon2>
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{
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using type = mapnik::new_geometry::line_string::cont_type&;
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};
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// interior
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template<> struct interior_const_type<mapnik::new_geometry::polygon2>
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{
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using rings_type = std::vector<mapnik::new_geometry::line_string::cont_type>;
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using type = boost::iterator_range<rings_type::const_iterator> const;
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};
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template<> struct interior_mutable_type<mapnik::new_geometry::polygon2>
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{
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using rings_type = std::vector<mapnik::new_geometry::line_string::cont_type>;
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using type = boost::iterator_range<rings_type::iterator>;
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};
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// exterior
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template<>
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struct exterior_ring<mapnik::new_geometry::polygon2>
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{
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static mapnik::new_geometry::line_string::cont_type& get(mapnik::new_geometry::polygon2 & p)
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{
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return p.rings.front();
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}
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static mapnik::new_geometry::line_string::cont_type const& get(mapnik::new_geometry::polygon2 const& p)
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{
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return p.rings.front();
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}
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};
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template<>
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struct interior_rings<mapnik::new_geometry::polygon2>
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{
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using ring_iterator = std::vector<mapnik::new_geometry::line_string::cont_type>::iterator;
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using const_ring_iterator = std::vector<mapnik::new_geometry::line_string::cont_type>::const_iterator;
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using holes_type = boost::iterator_range<ring_iterator>;
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using const_holes_type = boost::iterator_range<const_ring_iterator>;
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static holes_type get(mapnik::new_geometry::polygon2 & p)
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{
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return boost::make_iterator_range(p.rings.begin() + 1, p.rings.end());
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}
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static const_holes_type get(mapnik::new_geometry::polygon2 const& p)
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{
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return boost::make_iterator_range(p.rings.begin() + 1, p.rings.end());
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}
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};
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// mapnik::new_geometry::polygon3
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template<> struct tag<mapnik::new_geometry::polygon3>
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{
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using type = polygon_tag;
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};
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template<> struct tag<mapnik::new_geometry::multi_point>
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{
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using type = multi_point_tag;
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};
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template<> struct tag<mapnik::new_geometry::multi_line_string>
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{
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using type = multi_linestring_tag;
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};
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template<> struct tag<mapnik::new_geometry::multi_polygon>
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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<> struct ring_const_type<mapnik::new_geometry::polygon3>
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{
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using type = mapnik::new_geometry::linear_ring const&;
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};
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template<> struct ring_mutable_type<mapnik::new_geometry::polygon3>
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{
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using type = mapnik::new_geometry::linear_ring&;
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};
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// interior
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template<> struct interior_const_type<mapnik::new_geometry::polygon3>
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{
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using type = std::vector<mapnik::new_geometry::linear_ring> const&;
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};
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template<> struct interior_mutable_type<mapnik::new_geometry::polygon3>
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{
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using type = std::vector<mapnik::new_geometry::linear_ring>&;
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};
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// exterior
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template<>
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struct exterior_ring<mapnik::new_geometry::polygon3>
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{
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static mapnik::new_geometry::linear_ring& get(mapnik::new_geometry::polygon3 & p)
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{
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return p.exterior_ring;
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}
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static mapnik::new_geometry::linear_ring const& get(mapnik::new_geometry::polygon3 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<>
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struct interior_rings<mapnik::new_geometry::polygon3>
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{
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using holes_type = std::vector<mapnik::new_geometry::linear_ring>;
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static holes_type& get(mapnik::new_geometry::polygon3 & 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::new_geometry::polygon3 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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