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/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2011 Artem Pavlenko
*
* 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
*
*****************************************************************************/
// mapnik
#include <mapnik/feature_type_style.hpp>
#include <mapnik/map.hpp>
#include <mapnik/feature.hpp>
#include <mapnik/layer.hpp>
#include <mapnik/rule.hpp>
#include <mapnik/symbolizer.hpp>
#include <mapnik/params.hpp>
#include <mapnik/datasource_cache.hpp>
#include <mapnik/util/deepcopy.hpp>
// boost
#include <boost/optional.hpp>
#include <boost/foreach.hpp>
namespace mapnik { namespace util {
// poor man's deepcopy implementation
void deepcopy(Map const& map_in, Map & map_out)
{
// * width_(rhs.width_),
// * height_(rhs.height_),
// * srs_(rhs.srs_),
// * buffer_size_(rhs.buffer_size_),
// * background_(rhs.background_),
// * background_image_(rhs.background_image_),
// * styles_(rhs.styles_),
// fontsets_(rhs.fontsets_),
// * layers_(rhs.layers_),
// aspectFixMode_(rhs.aspectFixMode_),
// current_extent_(rhs.current_extent_),
// * maximum_extent_(rhs.maximum_extent_),
// * base_path_(rhs.base_path_),
// extra_attr_(rhs.extra_attr_),
// extra_params_(rhs.extra_params_)
// width, height
map_out.resize(map_in.width(), map_in.height());
// srs
map_out.set_srs(map_in.srs());
// buffer_size
map_out.set_buffer_size(map_in.buffer_size());
// background
boost::optional<color> background = map_in.background();
if (background)
{
map_out.set_background(*background);
}
// background_image
boost::optional<std::string> background_image = map_in.background_image();
if (background_image)
{
map_out.set_background_image(*background_image);
}
// maximum extent
boost::optional<box2d<double> > max_extent = map_in.maximum_extent();
if (max_extent)
{
map_out.set_maximum_extent(*max_extent);
}
// base_path
map_out.set_base_path(map_in.base_path());
// fontsets
typedef std::map<std::string,font_set> fontsets;
BOOST_FOREACH ( fontsets::value_type const& kv,map_in.fontsets())
{
map_out.insert_fontset(kv.first,kv.second);
}
BOOST_FOREACH ( layer const& lyr_in, map_in.layers())
{
layer lyr_out(lyr_in);
datasource_ptr ds_in = lyr_in.datasource();
if (ds_in)
{
parameters p(ds_in->params());
// TODO : re-use datasource extent if already set.
datasource_ptr ds_out = datasource_cache::create(p);
if (ds_out)
{
lyr_out.set_datasource(ds_out);
}
}
map_out.addLayer(lyr_out);
}
typedef std::map<std::string, feature_type_style> style_cont;
typedef style_cont::value_type value_type;
style_cont const& styles = map_in.styles();
BOOST_FOREACH ( value_type const& kv, styles )
{
feature_type_style const& style_in = kv.second;
feature_type_style style_out(style_in,true); // deep copy
map_out.insert_style(kv.first, style_out);
}
}
}}
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