/***************************************************************************** * * 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 SHAPE_HPP #define SHAPE_HPP // mapnik #include #include #include #include #include #include #include #include #include // stl #include #include "shape_io.hpp" using mapnik::coord2d; using mapnik::datasource; using mapnik::featureset_ptr; using mapnik::layer_descriptor; using mapnik::parameters; using mapnik::query; DATASOURCE_PLUGIN_DEF(shape_datasource_plugin, shape); class shape_datasource : public datasource { public: shape_datasource(parameters const& params); virtual ~shape_datasource(); datasource::datasource_t type() const override; static const char* name(); featureset_ptr features(query const& q) const override; featureset_ptr features_at_point(coord2d const& pt, double tol = 0) const override; box2d envelope() const override; std::optional get_geometry_type() const override; layer_descriptor get_descriptor() const override; private: void init(shape_io& shape); datasource::datasource_t type_; std::string shape_name_; shape_io::shapeType shape_type_; long file_length_; box2d extent_; bool indexed_; const int row_limit_; layer_descriptor desc_; }; #endif // SHAPE_HPP