99 lines
3.6 KiB
C++
99 lines
3.6 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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#include <mapnik/utils.hpp>
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#include <mapnik/marker.hpp>
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#include <mapnik/marker_cache.hpp>
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#include <mapnik/graphics.hpp>
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// boost
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#include <boost/make_shared.hpp>
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#include <boost/python.hpp>
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#include <boost/noncopyable.hpp>
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namespace {
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bool add_marker_from_image(mapnik::marker_cache & cache, std::string const& uri, mapnik::image_32 const& im)
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{
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boost::optional<mapnik::image_ptr> imagep(boost::make_shared<mapnik::image_data_32>(im.data()));
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return cache.insert_marker(uri,boost::make_shared<mapnik::marker>(imagep),true);
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}
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bool add_marker_from_svg(mapnik::marker_cache & cache, std::string const& uri, mapnik::svg_storage_type const& svg)
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{
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mapnik::svg_path_ptr marker_path(boost::make_shared<mapnik::svg_storage_type>(svg));
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return cache.insert_marker(uri,boost::make_shared<mapnik::marker>(marker_path),true);
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}
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boost::python::object get_marker(boost::shared_ptr<mapnik::marker_cache> const& cache, std::string const& uri)
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{
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mapnik::marker_cache::iterator_type itr = cache->search(uri);
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mapnik::marker_cache::iterator_type end = cache->end();
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if (itr != end)
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{
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if (itr->second->is_bitmap())
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{
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mapnik::image_data_32 const& im = *itr->second->get_bitmap_data()->get();
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return boost::python::object(boost::make_shared<mapnik::image_32>(im));
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}
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return boost::python::object(*(itr->second->get_vector_data()));
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}
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return boost::python::object();
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}
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boost::python::list get_keys(boost::shared_ptr<mapnik::marker_cache> const& cache)
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{
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boost::python::list l;
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mapnik::marker_cache::iterator_type itr = cache->begin();
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mapnik::marker_cache::iterator_type end = cache->end();
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for (;itr != end; ++itr)
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{
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l.append(itr->first);
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}
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return l;
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}
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}
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void export_marker_cache()
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{
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using mapnik::marker_cache;
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using mapnik::singleton;
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using mapnik::CreateUsingNew;
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using namespace boost::python;
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class_<singleton<marker_cache,CreateUsingNew>,boost::noncopyable>("Singleton",no_init)
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.def("instance",&singleton<marker_cache,CreateUsingNew>::instance,
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return_value_policy<reference_existing_object>())
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.staticmethod("instance")
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;
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class_<marker_cache,bases<singleton<marker_cache,CreateUsingNew> >,
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boost::noncopyable>("MarkerCache",no_init)
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.def("clear",&marker_cache::clear)
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.def("remove",&marker_cache::remove)
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.def("size",&marker_cache::size)
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.def("put",&add_marker_from_image)
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.def("put",&add_marker_from_svg)
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.def("get",&get_marker)
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.def("keys",&get_keys)
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;
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}
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