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