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

63 lines
2.1 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_PROJ_TRANSFORM_HPP
#define MAPNIK_PROJ_TRANSFORM_HPP
// mapnik
#include <mapnik/projection.hpp>
#include <mapnik/box2d.hpp>
// boost
#include <boost/utility.hpp>
namespace mapnik {
class MAPNIK_DECL proj_transform : private boost::noncopyable
{
public:
proj_transform(projection const& source,
projection const& dest);
bool equal() const;
bool forward (double& x, double& y , double& z) const;
bool backward (double& x, double& y , double& z) const;
bool forward (double *x, double *y , double *z, int point_count) const;
bool backward (double *x, double *y , double *z, int point_count) const;
bool forward (box2d<double> & box) const;
bool backward (box2d<double> & box) const;
bool forward (box2d<double> & box, int points) const;
bool backward (box2d<double> & box, int points) const;
mapnik::projection const& source() const;
mapnik::projection const& dest() const;
private:
projection const source_;
projection const dest_;
bool is_source_longlat_;
bool is_dest_longlat_;
bool is_source_equal_dest_;
bool wgs84_to_merc_;
};
}
#endif // MAPNIK_PROJ_TRANSFORM_HPP