mapnik/bindings/python/mapnik_style.cpp
Dane Springmeyer 39d199aa49 code formatting
2011-11-13 19:54:32 -08:00

108 lines
3.5 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
*
*****************************************************************************/
//$Id$
#include <boost/python.hpp>
#include <boost/python/suite/indexing/vector_indexing_suite.hpp>
#include "mapnik_enumeration.hpp"
#include <mapnik/feature_type_style.hpp>
using mapnik::feature_type_style;
using mapnik::rules;
using mapnik::rule;
struct style_pickle_suite : boost::python::pickle_suite
{
static boost::python::tuple
getstate(const feature_type_style& s)
{
boost::python::list rule_list;
rules::const_iterator it = s.get_rules().begin();
rules::const_iterator end = s.get_rules().end();
for (; it != end; ++it)
{
rule_list.append( *it );
}
return boost::python::make_tuple(rule_list);
}
static void
setstate (feature_type_style& 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();
}
boost::python::list rules = extract<boost::python::list>(state[0]);
for (int i=0; i<len(rules); ++i)
{
s.add_rule(extract<rule>(rules[i]));
}
}
};
void export_style()
{
using namespace boost::python;
mapnik::enumeration_<mapnik::filter_mode_e>("filter_mode")
.value("ALL",mapnik::FILTER_ALL)
.value("FIRST",mapnik::FILTER_FIRST)
;
class_<rules>("Rules",init<>("default ctor"))
.def(vector_indexing_suite<rules>())
;
class_<feature_type_style>("Style",init<>("default style constructor"))
.def_pickle(style_pickle_suite()
)
.add_property("rules",make_function
(&feature_type_style::get_rules,
return_value_policy<reference_existing_object>()),
"List of rules belonging to a style as rule objects.\n"
"\n"
"Usage:\n"
">>> for r in m.find_style('style 1').rules:\n"
">>> print r\n"
"<mapnik2._mapnik2.Rule object at 0x100549910>\n"
"<mapnik2._mapnik2.Rule object at 0x100549980>\n"
)
.add_property("filter_mode",
&feature_type_style::get_filter_mode,
&feature_type_style::set_filter_mode,
"Set/get the placement of the label")
;
}