72 lines
2.4 KiB
C++
72 lines
2.4 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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* 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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//$Id$
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// boost
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#include <boost/python.hpp>
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#include <boost/python/def.hpp>
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#include <boost/python/exception_translator.hpp>
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#include <boost/python/manage_new_object.hpp>
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// mapnik
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#include <mapnik/geometry.hpp>
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#include <mapnik/wkt/wkt_factory.hpp>
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namespace {
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using mapnik::from_wkt;
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using mapnik::geometry_type;
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geometry_type * make_from_wkt(std::string const& wkt)
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{
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std::pair<bool,geometry_type*> result = from_wkt(wkt);
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if (result.first)
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{
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return result.second;
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}
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throw std::runtime_error("Failed to parse WKT");
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}
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}
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void export_geometry()
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{
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using namespace boost::python;
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enum_<mapnik::eGeomType>("GeometryType")
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.value("Point",mapnik::Point)
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.value("LineString",mapnik::LineString)
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.value("Polygon",mapnik::Polygon)
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.value("MultiPoint",mapnik::MultiPoint)
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.value("MultiLineString",mapnik::MultiLineString)
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.value("MultiPolygon",mapnik::MultiPolygon)
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;
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using mapnik::geometry_type;
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class_<geometry_type, std::auto_ptr<geometry_type>,boost::noncopyable>("Geometry2d",no_init)
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// factory method
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.def("from_wkt",make_from_wkt,return_value_policy<manage_new_object>())
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.staticmethod("from_wkt")
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.def("envelope",&geometry_type::envelope)
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// .def("__str__",&geometry_type::to_string)
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.def("type",&geometry_type::type)
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.def("area",&geometry_type::area)
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// TODO add other geometry_type methods
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;
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}
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