160 lines
4.5 KiB
C++
160 lines
4.5 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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//$Id$
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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.hh"
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#include "polygon_symbolizer.hh"
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#include "line_symbolizer.hh"
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#include "image_symbolizer.hh"
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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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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 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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//BEGIN quick hack
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ref_ptr<Symbolizer> create_point_symbolizer(const std::string& file,unsigned w,unsigned h)
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{
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return ref_ptr<Symbolizer>(new ImageSymbolizer(file,"png",w,h));
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}
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ref_ptr<Symbolizer> create_line_symbolizer(const Color& stroke,double minScale,double maxScale)
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{
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return ref_ptr<Symbolizer>(new LineSymbolizer(stroke,minScale,maxScale));
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}
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ref_ptr<Symbolizer> create_polygon_symbolizer(const Color& stroke,const Color& fill,double minScale,double maxScale)
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{
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return ref_ptr<Symbolizer>(new PolygonSymbolizer(fill,minScale,maxScale));
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}
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//END
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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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export_parameters();
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export_color();
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export_envelope();
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export_image();
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class_<Style>("style",init<>("Style default constructor"))
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.def(init<ref_ptr<Symbolizer> >())
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.def("add",&Style::add)
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;
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class_<Symbolizer,boost::noncopyable> ("symbolizer",no_init)
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;
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export_layer();
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class_<singleton<datasource_cache,CreateStatic>,boost::noncopyable>("singleton",no_init)
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.def("instance",&singleton<datasource_cache,CreateStatic>::instance,
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return_value_policy<reference_existing_object>())
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.staticmethod("instance")
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;
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class_<datasource_cache,bases<singleton<datasource_cache,CreateStatic> >,
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boost::noncopyable>("datasource_cache",no_init)
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.def("create",&datasource_cache::create)
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.staticmethod("create")
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;
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class_<singleton<style_cache,CreateStatic>,boost::noncopyable>("singleton",no_init)
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.def("instance",&singleton<style_cache,CreateStatic>::instance,
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return_value_policy<reference_existing_object>())
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.staticmethod("instance")
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;
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class_<style_cache,bases<singleton<style_cache,CreateStatic> >,
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boost::noncopyable>("style_cache",no_init)
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.def("insert",&style_cache::insert)
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.staticmethod("insert")
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.def("remove",&style_cache::remove)
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.staticmethod("remove")
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;
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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("create_point_symbolizer",&create_point_symbolizer);
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def("create_line_symbolizer",&create_line_symbolizer);
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def("create_polygon_symbolizer",&create_polygon_symbolizer);
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register_ptr_to_python<ref_ptr<Symbolizer> >();
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}
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