mapnik/plugins/input/geos/geos_featureset.hpp

66 lines
2.1 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2011 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 GEOS_FEATURESET_HPP
#define GEOS_FEATURESET_HPP
// mapnik
#include <mapnik/feature.hpp>
#include <mapnik/datasource.hpp>
#include <mapnik/unicode.hpp>
#include <mapnik/geom_util.hpp>
// boost
#include <boost/scoped_ptr.hpp>
// geos
#include <geos_c.h>
#include "geos_feature_ptr.hpp"
class geos_featureset : public mapnik::Featureset
{
public:
geos_featureset(GEOSGeometry* geometry,
GEOSGeometry* extent,
mapnik::value_integer feature_id,
std::string const& field,
std::string const& field_name,
std::string const& encoding);
virtual ~geos_featureset();
mapnik::feature_ptr next();
private:
GEOSGeometry* geometry_;
boost::scoped_ptr<mapnik::transcoder> tr_;
geos_feature_ptr extent_;
mapnik::value_integer feature_id_;
std::string field_;
std::string field_name_;
bool already_rendered_;
mapnik::context_ptr ctx_;
geos_featureset(const geos_featureset&);
const geos_featureset& operator=(const geos_featureset&);
};
#endif // GEOS_FEATURESET_HPP