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/*****************************************************************************
*
* 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_map.cc 17 2005-03-08 23:58:43Z pavlenko $
#include <boost/python.hpp>
#include <boost/python/detail/api_placeholder.hpp>
#include <boost/python/suite/indexing/vector_indexing_suite.hpp>
#include <mapnik/layer.hpp>
#include <mapnik/map.hpp>
#include "python_optional.hpp"
using mapnik::Color;
using mapnik::coord;
using mapnik::Envelope;
using mapnik::Layer;
using mapnik::Map;
struct map_pickle_suite : boost::python::pickle_suite
{
static boost::python::tuple
getinitargs(const Map& m)
{
return boost::python::make_tuple(m.getWidth(),m.getHeight(),m.srs());
}
static boost::python::tuple
getstate(const Map& m)
{
boost::python::list l;
for (unsigned i=0;i<m.layerCount();++i)
{
l.append(m.getLayer(i));
}
return boost::python::make_tuple(m.getCurrentExtent(),m.background(),l);
}
static void
setstate (Map& m, boost::python::tuple state)
{
using namespace boost::python;
if (len(state) != 3)
{
PyErr_SetObject(PyExc_ValueError,
("expected 3-item tuple in call to __setstate__; got %s"
% state).ptr()
);
throw_error_already_set();
}
Envelope<double> ext = extract<Envelope<double> >(state[0]);
Color bg = extract<Color>(state[1]);
m.zoomToBox(ext);
m.set_background(bg);
boost::python::list l=extract<boost::python::list>(state[2]);
for (int i=0;i<len(l);++i)
{
m.addLayer(extract<Layer>(l[i]));
}
}
};
std::vector<Layer>& (Map::*layers_nonconst)() = &Map::layers;
std::vector<Layer> const& (Map::*layers_const)() const = &Map::layers;
void export_map()
{
using namespace boost::python;
python_optional<mapnik::Color> ();
class_<std::vector<Layer> >("Layers")
.def(vector_indexing_suite<std::vector<Layer> >())
;
class_<Map>("Map","The map object.",init<int,int,optional<std::string const&> >())
.add_property("width",&Map::getWidth, &Map::setWidth, "The width of the map.")
.add_property("height",&Map::getHeight, &Map::setHeight, "The height of the map.")
.add_property("srs",make_function(&Map::srs,return_value_policy<copy_const_reference>()),
&Map::set_srs,"Spatial reference in proj4 format e.g. \"+proj=latlong +datum=WGS84\"")
.add_property("background",make_function
(&Map::background,return_value_policy<copy_const_reference>()),
&Map::set_background, "The background color of the map.")
.def("envelope",make_function(&Map::getCurrentExtent,
return_value_policy<copy_const_reference>()),
"The current extent of the map")
.def("scale", &Map::scale)
.def("zoom_all",&Map::zoom_all,
"Set the geographical extent of the map "
"to the combined extents of all active layers")
.def("zoom_to_box",&Map::zoomToBox, "Set the geographical extent of the map.")
.def("pan",&Map::pan)
.def("zoom",&Map::zoom)
.def("zoom_all",&Map::zoom_all)
.def("pan_and_zoom",&Map::pan_and_zoom)
.def("append_style",&Map::insert_style)
.def("remove_style",&Map::remove_style)
.def("query_point",&Map::query_point)
.def("query_map_point",&Map::query_map_point)
.add_property("layers",make_function
(layers_nonconst,return_value_policy<reference_existing_object>()),
"Get the list of layers in this map.")
.def("find_style",&Map::find_style,return_value_policy<copy_const_reference>())
.def_pickle(map_pickle_suite())
;
}
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