/*****************************************************************************
 * 
 * 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: raster_datasource.hh 44 2005-04-22 18:53:54Z pavlenko $

#ifndef RASTER_DATASOURCE_HH
#define RASTER_DATASOURCE_HH 

#include <mapnik/envelope.hpp>
#include <mapnik/feature.hpp>
#include <mapnik/datasource.hpp>

using namespace mapnik;

class raster_datasource : public datasource
{
private:
    std::string                  filename_;
    std::string                  format_;
    mapnik::Envelope<double>     extent_;
    layer_descriptor             desc_;
    static std::string           name_;  
public:
    raster_datasource(const parameters& params);
    virtual ~raster_datasource();
    int type() const;
    static std::string name();
    featureset_ptr features(const query& q) const;
    featureset_ptr features_at_point(coord2d const& pt) const;
    mapnik::Envelope<double> envelope() const;
    layer_descriptor get_descriptor() const;
private:
    //no copying
    raster_datasource(const raster_datasource&);
    raster_datasource& operator=(const raster_datasource&);
    //
};

#endif //RASTER_DATASOURCE_H