109 lines
3.5 KiB
C++
109 lines
3.5 KiB
C++
/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2006 Artem Pavlenko, Jean-Francois Doyon
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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// boost
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#include <boost/python.hpp>
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#include <boost/python/suite/indexing/vector_indexing_suite.hpp>
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// mapnik
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#include "mapnik_enumeration.hpp"
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#include <mapnik/feature_type_style.hpp>
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using mapnik::feature_type_style;
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using mapnik::rules;
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using mapnik::rule;
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struct style_pickle_suite : boost::python::pickle_suite
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{
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static boost::python::tuple
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getstate(const feature_type_style& s)
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{
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boost::python::list rule_list;
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rules::const_iterator it = s.get_rules().begin();
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rules::const_iterator end = s.get_rules().end();
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for (; it != end; ++it)
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{
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rule_list.append( *it );
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}
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return boost::python::make_tuple(rule_list);
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}
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static void
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setstate (feature_type_style& s, boost::python::tuple state)
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{
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using namespace boost::python;
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if (len(state) != 1)
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{
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PyErr_SetObject(PyExc_ValueError,
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("expected 1-item tuple in call to __setstate__; got %s"
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% state).ptr()
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);
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throw_error_already_set();
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}
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boost::python::list rules = extract<boost::python::list>(state[0]);
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for (int i=0; i<len(rules); ++i)
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{
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s.add_rule(extract<rule>(rules[i]));
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}
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}
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};
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void export_style()
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{
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using namespace boost::python;
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mapnik::enumeration_<mapnik::filter_mode_e>("filter_mode")
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.value("ALL",mapnik::FILTER_ALL)
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.value("FIRST",mapnik::FILTER_FIRST)
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;
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class_<rules>("Rules",init<>("default ctor"))
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.def(vector_indexing_suite<rules>())
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;
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class_<feature_type_style>("Style",init<>("default style constructor"))
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.def_pickle(style_pickle_suite()
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)
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.add_property("rules",make_function
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(&feature_type_style::get_rules,
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return_value_policy<reference_existing_object>()),
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"List of rules belonging to a style as rule objects.\n"
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"\n"
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"Usage:\n"
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">>> for r in m.find_style('style 1').rules:\n"
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">>> print r\n"
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"<mapnik._mapnik.Rule object at 0x100549910>\n"
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"<mapnik._mapnik.Rule object at 0x100549980>\n"
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)
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.add_property("filter_mode",
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&feature_type_style::get_filter_mode,
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&feature_type_style::set_filter_mode,
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"Set/get the placement of the label")
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;
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}
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