mapnik/plugins/input/shape/shape_io.hpp
2011-04-07 13:44:57 +00:00

98 lines
2.8 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2006 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 "dbfile.hpp"
#include "shapefile.hpp"
#include "shp_index.hpp"
// boost
#include <boost/utility.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/iostreams/stream.hpp>
#include <boost/iostreams/device/file.hpp>
#include <boost/iostreams/device/mapped_file.hpp>
struct shape_io : boost::noncopyable
{
static const std::string SHP;
static const std::string SHX;
static const std::string DBF;
static const std::string INDEX;
unsigned type_;
shape_file shp_;
shape_file shx_;
dbf_file dbf_;
boost::shared_ptr<shape_file> index_;
unsigned reclength_;
unsigned id_;
box2d<double> cur_extent_;
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(const std::string& shape_name, bool open_index=true);
~shape_io();
shape_file& shp();
shape_file& shx();
dbf_file& dbf();
inline boost::shared_ptr<shape_file>& index()
{
return index_;
}
inline bool has_index() const
{
return (index_ && index_->is_open());
}
void move_to(int id);
int type() const;
const box2d<double>& current_extent() const;
mapnik::geometry_type * read_polyline();
mapnik::geometry_type * read_polylinem();
mapnik::geometry_type * read_polylinez();
mapnik::geometry_type * read_polygon();
mapnik::geometry_type * read_polygonm();
mapnik::geometry_type * read_polygonz();
};
#endif //SHAPE_IO_HPP