/***************************************************************************** * * This file is part of Mapnik (c++ mapping toolkit) * * Copyright (C) 2015 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_IO_HPP #define SHAPE_IO_HPP // mapnik #include <mapnik/box2d.hpp> #include <mapnik/util/noncopyable.hpp> // boost #include <boost/optional.hpp> // stl #include <memory> #include "dbfile.hpp" #include "shapefile.hpp" struct shape_io : mapnik::util::noncopyable { public: enum shapeType { shape_null = 0, shape_point = 1, shape_polyline = 3, shape_polygon = 5, shape_multipoint = 8, shape_pointz = 11, shape_polylinez = 13, shape_polygonz = 15, shape_multipointz = 18, shape_pointm = 21, shape_polylinem = 23, shape_polygonm = 25, shape_multipointm = 28, shape_multipatch = 31 }; shape_io(std::string const& shape_name, bool open_index=true); ~shape_io(); shape_file& shp(); dbf_file& dbf(); inline boost::optional<shape_file&> index() { if (index_) return boost::optional<shape_file&>(*index_); return boost::optional<shape_file&>(); } inline bool has_index() const { return (index_ && index_->is_open()); } void move_to(std::streampos pos); static void read_bbox(shape_file::record_type & record, mapnik::box2d<double> & bbox); static mapnik::geometry::geometry<double> read_polyline(shape_file::record_type & record); static mapnik::geometry::geometry<double> read_polygon(shape_file::record_type & record); shapeType type_; shape_file shp_; dbf_file dbf_; std::unique_ptr<shape_file> index_; unsigned reclength_; unsigned id_; box2d<double> cur_extent_; static const std::string SHP; static const std::string DBF; static const std::string INDEX; }; #endif //SHAPE_IO_HPP