mapnik/bindings/python/mapnik_shield_symbolizer.cpp

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/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2006 Artem Pavlenko, Jean-Francois Doyon
* Copyright (C) 2006 10East Corp.
*
* 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
*
*****************************************************************************/
//$Id$
#include <boost/python.hpp>
#include <mapnik/shield_symbolizer.hpp>
#include <mapnik/image_util.hpp>
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#include <mapnik/path_expression_grammar.hpp>
using mapnik::color;
using mapnik::shield_symbolizer;
using mapnik::text_symbolizer;
using mapnik::symbolizer_with_image;
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using mapnik::path_processor_type;
using mapnik::path_expression_ptr;
using mapnik::guess_type;
using mapnik::expression_ptr;
struct shield_symbolizer_pickle_suite : boost::python::pickle_suite
{
static boost::python::tuple
getinitargs(const shield_symbolizer& s)
{
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std::string filename = path_processor_type::to_string(*s.get_filename());
//(name, font name, font size, font color, image file, image type, width, height)
return boost::python::make_tuple( "TODO",//s.get_name(),
s.get_face_name(),s.get_text_size(),s.get_fill(),filename,guess_type(filename));
}
static boost::python::tuple
getstate(const shield_symbolizer& s)
{
return boost::python::make_tuple(s.get_halo_fill(),s.get_halo_radius());
}
// TODO add lots more...
static void
setstate (shield_symbolizer& s, boost::python::tuple state)
{
using namespace boost::python;
/*if (len(state) != 1)
{
PyErr_SetObject(PyExc_ValueError,
("expected 1-item tuple in call to __setstate__; got %s"
% state).ptr()
);
throw_error_already_set();
}*/
s.set_halo_fill(extract<color>(state[0]));
s.set_halo_radius(extract<float>(state[1]));
}
};
void export_shield_symbolizer()
{
using namespace boost::python;
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class_< shield_symbolizer, bases<text_symbolizer> >("ShieldSymbolizer",
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init<expression_ptr, std::string const&, unsigned, mapnik::color const&,
path_expression_ptr>("TODO"))
//.def_pickle(shield_symbolizer_pickle_suite())
;
}