72 lines
2.3 KiB
C++
72 lines
2.3 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 RASTER_DATASOURCE_HPP
|
|
#define RASTER_DATASOURCE_HPP
|
|
|
|
// mapnik
|
|
#include <mapnik/datasource.hpp>
|
|
#include <mapnik/params.hpp>
|
|
#include <mapnik/query.hpp>
|
|
#include <mapnik/feature.hpp>
|
|
#include <mapnik/box2d.hpp>
|
|
#include <mapnik/coord.hpp>
|
|
#include <mapnik/feature_layer_desc.hpp>
|
|
|
|
// boost
|
|
#include <boost/optional.hpp>
|
|
#include <boost/shared_ptr.hpp>
|
|
|
|
// stl
|
|
#include <vector>
|
|
#include <string>
|
|
|
|
|
|
class raster_datasource : public mapnik::datasource
|
|
{
|
|
public:
|
|
raster_datasource(const mapnik::parameters& params, bool bind=true);
|
|
virtual ~raster_datasource();
|
|
datasource::datasource_t type() const;
|
|
static const char * name();
|
|
mapnik::featureset_ptr features(const mapnik::query& q) const;
|
|
mapnik::featureset_ptr features_at_point(mapnik::coord2d const& pt, double tol = 0) const;
|
|
mapnik::box2d<double> envelope() const;
|
|
boost::optional<mapnik::datasource::geometry_t> get_geometry_type() const;
|
|
mapnik::layer_descriptor get_descriptor() const;
|
|
bool log_enabled() const;
|
|
void bind() const;
|
|
|
|
private:
|
|
mapnik::layer_descriptor desc_;
|
|
std::string filename_;
|
|
std::string format_;
|
|
mapnik::box2d<double> extent_;
|
|
bool extent_initialized_;
|
|
bool multi_tiles_;
|
|
unsigned tile_size_;
|
|
unsigned tile_stride_;
|
|
mutable unsigned width_;
|
|
mutable unsigned height_;
|
|
};
|
|
|
|
#endif // RASTER_DATASOURCE_HPP
|