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38 lines
1.5 KiB
C++
38 lines
1.5 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) 2017 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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// mapnik
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#include <mapnik/util/geometry_to_geojson.hpp>
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#include <mapnik/json/geometry_generator_grammar.hpp>
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namespace mapnik { namespace util {
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bool to_geojson(std::string & json, mapnik::geometry::geometry<double> const& geom)
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{
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using sink_type = std::back_insert_iterator<std::string>;
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static const mapnik::json::geometry_generator_grammar<sink_type, mapnik::geometry::geometry<double> > grammar;
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sink_type sink(json);
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return boost::spirit::karma::generate(sink, grammar, geom);
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}
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}}
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