mapnik/include/mapnik/memory_datasource.hpp
2007-10-08 18:10:31 +00:00

51 lines
1.7 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
*
*****************************************************************************/
//$Id$
#ifndef MEMORY_DATASOURCE_HPP
#define MEMORY_DATASOURCE_HPP
#include <mapnik/datasource.hpp>
#include <vector>
namespace mapnik {
class memory_datasource : public datasource
{
friend class memory_featureset;
public:
memory_datasource();
virtual ~memory_datasource();
void push(feature_ptr feature);
int type() const;
featureset_ptr features(const query& q) const;
featureset_ptr features_at_point(coord2d const& pt) const;
Envelope<double> envelope() const;
layer_descriptor get_descriptor() const;
size_t size() const;
private:
std::vector<mapnik::feature_ptr> features_;
};
}
#endif // MEMORY_DATASOURCE_HPP