mapnik/include/mapnik/memory_datasource.hpp
2012-02-01 17:53:35 -08:00

57 lines
1.8 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 MAPNIK_MEMORY_DATASOURCE_HPP
#define MAPNIK_MEMORY_DATASOURCE_HPP
// mapnik
#include <mapnik/datasource.hpp>
#include <mapnik/feature_layer_desc.hpp>
// stl
#include <vector>
namespace mapnik {
class MAPNIK_DECL memory_datasource : public datasource
{
friend class memory_featureset;
public:
memory_datasource();
virtual ~memory_datasource();
void push(feature_ptr feature);
datasource::datasource_t type() const;
featureset_ptr features(const query& q) const;
featureset_ptr features_at_point(coord2d const& pt) const;
box2d<double> envelope() const;
boost::optional<geometry_t> get_geometry_type() const;
layer_descriptor get_descriptor() const;
size_t size() const;
void clear();
private:
std::vector<feature_ptr> features_;
mapnik::layer_descriptor desc_;
};
}
#endif // MAPNIK_MEMORY_DATASOURCE_HPP