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71 lines
2.6 KiB
C++
71 lines
2.6 KiB
C++
/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2021 Artem Pavlenko
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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#ifndef MAPNIK_PROJ_TRANSFORM_HPP
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#define MAPNIK_PROJ_TRANSFORM_HPP
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// mapnik
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#include <mapnik/config.hpp>
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#include <mapnik/util/noncopyable.hpp>
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#include <mapnik/geometry/point.hpp>
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#include <mapnik/projection.hpp>
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// stl
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#include <vector>
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namespace mapnik {
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template <typename T> class box2d;
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class MAPNIK_DECL proj_transform : private util::noncopyable
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{
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public:
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proj_transform(projection const& source, projection const& dest);
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~proj_transform();
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bool equal() const;
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bool is_known() const;
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bool forward (double& x, double& y , double& z) const;
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bool backward (double& x, double& y , double& z) const;
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bool forward (double *x, double *y , double *z, std::size_t point_count, std::size_t offset = 1) const;
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bool backward (double *x, double *y , double *z, std::size_t point_count, std::size_t offset = 1) const;
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bool forward (geometry::point<double> & p) const;
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bool backward (geometry::point<double> & p) const;
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unsigned int forward (std::vector<geometry::point<double>> & ls) const;
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unsigned int backward (std::vector<geometry::point<double>> & ls) const;
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bool forward (box2d<double> & box) const;
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bool backward (box2d<double> & box) const;
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bool forward (box2d<double> & box, std::size_t points) const;
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bool backward (box2d<double> & box, std::size_t points) const;
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std::string definition() const;
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private:
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PJ_CONTEXT* ctx_ = nullptr;
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PJ* transform_ = nullptr;
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bool is_source_longlat_;
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bool is_dest_longlat_;
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bool is_source_equal_dest_;
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bool wgs84_to_merc_;
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bool merc_to_wgs84_;
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};
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}
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#endif // MAPNIK_PROJ_TRANSFORM_HPP
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