135 lines
4.5 KiB
C++
135 lines
4.5 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) 2011 Artem Pavlenko
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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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// mapnik
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#include <mapnik/feature_type_style.hpp>
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#include <mapnik/map.hpp>
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#include <mapnik/feature.hpp>
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#include <mapnik/layer.hpp>
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#include <mapnik/params.hpp>
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#include <mapnik/datasource_cache.hpp>
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#include <mapnik/util/deepcopy.hpp>
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#include <mapnik/rule.hpp>
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#include <mapnik/symbolizer.hpp>
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#include <mapnik/building_symbolizer.hpp>
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#include <mapnik/line_symbolizer.hpp>
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#include <mapnik/line_pattern_symbolizer.hpp>
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#include <mapnik/polygon_symbolizer.hpp>
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#include <mapnik/polygon_pattern_symbolizer.hpp>
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#include <mapnik/point_symbolizer.hpp>
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#include <mapnik/raster_symbolizer.hpp>
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#include <mapnik/shield_symbolizer.hpp>
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#include <mapnik/text_symbolizer.hpp>
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#include <mapnik/markers_symbolizer.hpp>
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#include <mapnik/debug_symbolizer.hpp>
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// boost
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#include <boost/optional.hpp>
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#include <boost/foreach.hpp>
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namespace mapnik { namespace util {
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// poor man's deepcopy implementation
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void deepcopy(Map const& map_in, Map & map_out)
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{
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// * width_(rhs.width_),
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// * height_(rhs.height_),
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// * srs_(rhs.srs_),
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// * buffer_size_(rhs.buffer_size_),
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// * background_(rhs.background_),
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// * background_image_(rhs.background_image_),
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// * styles_(rhs.styles_),
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// fontsets_(rhs.fontsets_),
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// * layers_(rhs.layers_),
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// aspectFixMode_(rhs.aspectFixMode_),
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// current_extent_(rhs.current_extent_),
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// * maximum_extent_(rhs.maximum_extent_),
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// * base_path_(rhs.base_path_),
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// extra_attr_(rhs.extra_attr_),
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// extra_params_(rhs.extra_params_)
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// width, height
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map_out.resize(map_in.width(), map_in.height());
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// srs
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map_out.set_srs(map_in.srs());
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// buffer_size
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map_out.set_buffer_size(map_in.buffer_size());
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// background
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boost::optional<color> background = map_in.background();
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if (background)
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{
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map_out.set_background(*background);
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}
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// background_image
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boost::optional<std::string> background_image = map_in.background_image();
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if (background_image)
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{
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map_out.set_background_image(*background_image);
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}
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// maximum extent
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boost::optional<box2d<double> > max_extent = map_in.maximum_extent();
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if (max_extent)
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{
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map_out.set_maximum_extent(*max_extent);
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}
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// base_path
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map_out.set_base_path(map_in.base_path());
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// fontsets
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typedef std::map<std::string,font_set> fontsets;
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BOOST_FOREACH ( fontsets::value_type const& kv,map_in.fontsets())
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{
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map_out.insert_fontset(kv.first,kv.second);
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}
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BOOST_FOREACH ( layer const& lyr_in, map_in.layers())
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{
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layer lyr_out(lyr_in);
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datasource_ptr ds_in = lyr_in.datasource();
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if (ds_in)
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{
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parameters p(ds_in->params());
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// TODO : re-use datasource extent if already set.
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datasource_ptr ds_out = datasource_cache::instance().create(p);
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if (ds_out)
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{
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lyr_out.set_datasource(ds_out);
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}
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}
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map_out.addLayer(lyr_out);
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}
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typedef std::map<std::string, feature_type_style> style_cont;
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typedef style_cont::value_type value_type;
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style_cont const& styles = map_in.styles();
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BOOST_FOREACH ( value_type const& kv, styles )
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{
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feature_type_style const& style_in = kv.second;
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feature_type_style style_out(style_in,true); // deep copy
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map_out.insert_style(kv.first, style_out);
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}
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}
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}}
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