mapnik/bindings/python/mapnik_line_pattern_symbolizer.cpp

/*****************************************************************************
 *
 * 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
 *
 *****************************************************************************/
//$Id$

#include <boost/python.hpp>

#include <mapnik/line_pattern_symbolizer.hpp>
#include <mapnik/parse_path.hpp>
#include <mapnik/image_util.hpp>
#include "mapnik_svg.hpp"

using mapnik::line_pattern_symbolizer;
using mapnik::path_processor_type;
using mapnik::path_expression_ptr;
using mapnik::guess_type;
using mapnik::parse_path;


namespace {
using namespace boost::python;

const std::string get_filename(line_pattern_symbolizer const& t)
{
    return path_processor_type::to_string(*t.get_filename());
}

void set_filename(line_pattern_symbolizer & t, std::string const& file_expr)
{
    t.set_filename(parse_path(file_expr));
}

}

struct line_pattern_symbolizer_pickle_suite : boost::python::pickle_suite
{
    static boost::python::tuple
    getinitargs(const line_pattern_symbolizer& l)
    {
        std::string filename = path_processor_type::to_string(*l.get_filename());
        // FIXME : Do we need "type" parameter at all ?
        return boost::python::make_tuple(filename, guess_type(filename));
    }
};

void export_line_pattern_symbolizer()
{
    using namespace boost::python;

    class_<line_pattern_symbolizer>("LinePatternSymbolizer",
                                    init<path_expression_ptr>
                                    ("<image file expression>"))
        //.def_pickle(line_pattern_symbolizer_pickle_suite())
        .add_property("transform",
                      mapnik::get_svg_transform<line_pattern_symbolizer>,
                      mapnik::set_svg_transform<line_pattern_symbolizer>)
        .add_property("filename",
                      &get_filename,
                      &set_filename)
        ;
}