mapnik/bindings/python/mapnik_python.cpp
Artem Pavlenko d959701d5a 1. added boost::optional<T> to/form Python converter
2. make background color optional (Map object)
3. exposed 'blend' method for Image object
2007-08-01 09:59:23 +00:00

148 lines
4.3 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2006 Artem Pavlenko, Jean-Francois Doyon
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*****************************************************************************/
//$Id: mapnik_python.cc 27 2005-03-30 21:45:40Z pavlenko $
#include <boost/python.hpp>
#include <boost/get_pointer.hpp>
#include <boost/python/detail/api_placeholder.hpp>
void export_color();
void export_coord();
void export_layer();
void export_parameters();
void export_envelope();
void export_query();
void export_image();
void export_image_view();
void export_map();
void export_python();
void export_filter();
void export_rule();
void export_style();
void export_stroke();
void export_feature();
void export_featureset();
void export_datasource();
void export_datasource_cache();
void export_point_symbolizer();
void export_line_symbolizer();
void export_line_pattern_symbolizer();
void export_polygon_symbolizer();
void export_polygon_pattern_symbolizer();
void export_raster_symbolizer();
void export_text_symbolizer();
void export_shield_symbolizer();
void export_font_engine();
void export_projection();
#include <mapnik/map.hpp>
#include <mapnik/agg_renderer.hpp>
#include <mapnik/graphics.hpp>
#include <mapnik/load_map.hpp>
#include <mapnik/save_map.hpp>
void render(const mapnik::Map& map,mapnik::Image32& image, unsigned offset_x = 0, unsigned offset_y = 0)
{
mapnik::agg_renderer<mapnik::Image32> ren(map,image,offset_x, offset_y);
ren.apply();
}
void render2(const mapnik::Map& map,mapnik::Image32& image)
{
mapnik::agg_renderer<mapnik::Image32> ren(map,image);
ren.apply();
}
void render_tile_to_file(const mapnik::Map& map, unsigned offset_x, unsigned offset_y,
unsigned width, unsigned height,
const std::string& file,
const std::string& format)
{
mapnik::Image32 image(width,height);
render(map,image,offset_x, offset_y);
image.saveToFile(file,format);
}
void render_to_file(const mapnik::Map& map,
const std::string& file,
const std::string& format)
{
render_tile_to_file(map,0,0,map.getWidth(),map.getHeight(),file,format);
}
double scale_denominator(mapnik::Map const &map, bool geographic)
{
return mapnik::scale_denominator(map, geographic);
}
BOOST_PYTHON_MODULE(_mapnik)
{
using namespace boost::python;
using mapnik::load_map;
using mapnik::save_map;
export_query();
export_feature();
export_featureset();
export_datasource();
export_parameters();
export_color();
export_envelope();
export_image();
export_image_view();
export_filter();
export_rule();
export_style();
export_layer();
export_stroke();
export_datasource_cache();
export_point_symbolizer();
export_line_symbolizer();
export_line_pattern_symbolizer();
export_polygon_symbolizer();
export_polygon_pattern_symbolizer();
export_raster_symbolizer();
export_text_symbolizer();
export_shield_symbolizer();
export_font_engine();
export_projection();
export_coord();
export_map();
def("render_to_file",&render_to_file);
def("render_tile_to_file",&render_tile_to_file);
def("render",&render);
def("render",&render2);
def("scale_denominator", &scale_denominator);
def("load_map",&load_map,"load Map object from XML");
def("save_map",&load_map,"sace Map object to XML");
using mapnik::symbolizer;
class_<symbolizer>("Symbolizer",no_init)
;
register_ptr_to_python<mapnik::filter_ptr>();
}