/***************************************************************************** * * This file is part of Mapnik (c++ mapping toolkit) * * Copyright (C) 2011 Artem Pavlenko * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * *****************************************************************************/ #ifndef OSM_DATASOURCE_HPP #define OSM_DATASOURCE_HPP // mapnik #include <mapnik/datasource.hpp> #include <mapnik/box2d.hpp> #include "osm.h" using mapnik::datasource; using mapnik::parameters; using mapnik::query; using mapnik::featureset_ptr; using mapnik::layer_descriptor; using mapnik::coord2d; using mapnik::box2d; class osm_datasource : public datasource { public: osm_datasource(const parameters& params, bool bind = true); virtual ~osm_datasource(); mapnik::datasource::datasource_t type() const; featureset_ptr features(const query& q) const; featureset_ptr features_at_point(coord2d const& pt) const; box2d<double> envelope() const; boost::optional<mapnik::datasource::geometry_t> get_geometry_type() const; layer_descriptor get_descriptor() const; static std::string name(); void bind() const; private: mutable box2d<double> extent_; mutable osm_dataset* osm_data_; mapnik::datasource::datasource_t type_; mutable layer_descriptor desc_; // no copying osm_datasource(const osm_datasource&); osm_datasource& operator=(const osm_datasource&); }; #endif // OSM_DATASOURCE_HPP