/***************************************************************************** * * This file is part of Mapnik (c++ mapping toolkit) * * Copyright (C) 2021 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 RASTER_DATASOURCE_HPP #define RASTER_DATASOURCE_HPP // mapnik #include #include #include #include #include #include #include #include // boost #include #include // stl #include #include DATASOURCE_PLUGIN_DEF(raster_datasource_plugin, raster); class raster_datasource : public mapnik::datasource { public: raster_datasource(const mapnik::parameters& params); virtual ~raster_datasource(); datasource::datasource_t type() const; static const char* name(); mapnik::featureset_ptr features(const mapnik::query& q) const; mapnik::featureset_ptr features_at_point(mapnik::coord2d const& pt, double tol = 0) const; mapnik::box2d envelope() const; boost::optional get_geometry_type() const; mapnik::layer_descriptor get_descriptor() const; bool log_enabled() const; private: mapnik::layer_descriptor desc_; std::string filename_; std::string format_; mapnik::box2d extent_; bool extent_initialized_; bool multi_tiles_; unsigned tile_size_; unsigned tile_stride_; unsigned width_; unsigned height_; }; #endif // RASTER_DATASOURCE_HPP