mapnik/plugins/input/kismet/kismet_datasource.hpp
Manel Clos 8f7083d14d Add tolerance parameter to features_at_point
Make map.query_point() always pass tolerance to datasources
2012-09-28 15:12:10 +02:00

74 lines
2.4 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 KISMET_DATASOURCE_HPP
#define KISMET_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>
#include <boost/thread.hpp>
// stl
#include <list>
#include <vector>
#include <string>
#include "kismet_types.hpp"
class kismet_datasource : public mapnik::datasource
{
public:
kismet_datasource(mapnik::parameters const& params, bool bind = true);
virtual ~kismet_datasource ();
datasource::datasource_t type() const;
static const char * name();
mapnik::featureset_ptr features(mapnik::query const& 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;
void bind() const;
private:
void run (std::string const& host, const unsigned int port);
mapnik::box2d<double> extent_;
bool extent_initialized_;
std::string host_;
unsigned int port_;
mapnik::datasource::datasource_t type_;
std::string srs_;
mutable mapnik::layer_descriptor desc_;
boost::shared_ptr<boost::thread> kismet_thread;
};
#endif // KISMET_DATASOURCE_HPP