149 lines
4.1 KiB
C++
149 lines
4.1 KiB
C++
/* This file is part of python_mapnik (c++/python mapping toolkit)
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* Copyright (C) 2005 Artem Pavlenko
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*
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* Mapnik is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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//$Id: mapnik_python.cc 27 2005-03-30 21:45:40Z pavlenko $
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#include <boost/get_pointer.hpp>
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#include <boost/python.hpp>
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#include <boost/python/detail/api_placeholder.hpp>
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#include "mapnik.hpp"
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#include "image_symbolizer.hpp"
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using namespace mapnik;
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namespace boost
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{
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namespace python
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{
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template <typename T,
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template <typename T> class DeallocPolicy>
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T* get_pointer(ref_ptr< T , DeallocPolicy> const& ptr)
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{
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return ( T* )ptr.get();
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}
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template <typename T>
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struct pointee<ref_ptr<T> >
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{
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typedef T type;
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};
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template <> struct pointee<ref_ptr<datasource,datasource_delete> >
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{
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typedef datasource type;
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};
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}
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}
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void export_color();
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void export_layer();
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void export_parameters();
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void export_envelope();
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void export_image();
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void export_map();
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void export_python();
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void export_filter();
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void export_rule();
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void export_style();
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void export_stroke();
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void export_datasource_cache();
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void render_to_file(const Map& map,const std::string& file,const std::string& format)
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{
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Image32 image(map.getWidth(),map.getHeight());
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Renderer<Image32>::render(map,image);
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image.saveToFile(file,format);
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}
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void render(const Map& map,Image32& image)
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{
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Renderer<Image32>::render(map,image);
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}
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ref_ptr<symbolizer> create_point_symbolizer(std::string const& file,unsigned w,unsigned h)
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{
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return ref_ptr<symbolizer>(new image_symbolizer(file,"png",w,h));
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}
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ref_ptr<symbolizer> create_line_symbolizer(const Color& pen,float width)
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{
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return ref_ptr<symbolizer>(new line_symbolizer(pen,width));
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}
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ref_ptr<symbolizer> create_line_symbolizer2(stroke const& strk)
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{
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return ref_ptr<symbolizer>(new line_symbolizer(strk));
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}
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ref_ptr<symbolizer> create_polygon_symbolizer(const Color& fill)
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{
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return ref_ptr<symbolizer>(new polygon_symbolizer(fill));
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}
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ref_ptr<symbolizer> create_polygon_symbolizer2(std::string const& file,unsigned w,unsigned h)
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{
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return ref_ptr<symbolizer>(new pattern_symbolizer(file,"png",w,h));
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}
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BOOST_PYTHON_MODULE(_mapnik)
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{
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using namespace boost::python;
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class_<datasource,ref_ptr<datasource,datasource_delete>,
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boost::noncopyable>("datasource",no_init)
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.def("envelope",&datasource::envelope,
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return_value_policy<reference_existing_object>())
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;
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class_<symbolizer,boost::noncopyable> ("symbolizer_",no_init)
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;
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class_<ref_ptr<symbolizer,mapnik::DefaultDeletePolicy>,
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boost::noncopyable>("symbolizer",no_init)
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;
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export_parameters();
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export_color();
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export_envelope();
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export_image();
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export_filter();
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export_rule();
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export_style();
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export_layer();
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export_stroke();
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export_datasource_cache();
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class_<coord<double,2> >("coord",init<double,double>())
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.def_readwrite("x", &coord<double,2>::x)
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.def_readwrite("y", &coord<double,2>::y)
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;
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export_map();
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def("render_to_file",&render_to_file);
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def("render",&render);
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def("point_symbolizer",&create_point_symbolizer);
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def("line_symbolizer",&create_line_symbolizer);
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def("line_symbolizer",&create_line_symbolizer2);
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def("polygon_symbolizer",&create_polygon_symbolizer);
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def("polygon_symbolizer",&create_polygon_symbolizer2);
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register_ptr_to_python<ref_ptr<symbolizer> >();
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register_ptr_to_python<filter_ptr>();
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}
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