104 lines
3.7 KiB
C++
104 lines
3.7 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/debug.hpp>
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#include <mapnik/svg/output/svg_renderer.hpp>
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#include <mapnik/map.hpp>
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#include <mapnik/label_collision_detector.hpp>
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#include <mapnik/feature_type_style.hpp>
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#include <mapnik/font_set.hpp>
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// stl
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#include <ostream>
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namespace mapnik
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{
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template <typename T>
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svg_renderer<T>::svg_renderer(Map const& m, T & output_iterator, double scale_factor, unsigned offset_x, unsigned offset_y) :
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feature_style_processor<svg_renderer>(m, scale_factor),
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output_iterator_(output_iterator),
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generator_(output_iterator),
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painted_(false),
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common_(m, offset_x, offset_y, m.width(), m.height(), scale_factor)
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{}
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template <typename T>
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svg_renderer<T>::svg_renderer(Map const& m, request const& req, T & output_iterator, double scale_factor, unsigned offset_x, unsigned offset_y) :
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feature_style_processor<svg_renderer>(m, scale_factor),
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output_iterator_(output_iterator),
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generator_(output_iterator),
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painted_(false),
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common_(req, offset_x, offset_y, req.width(), req.height(), scale_factor)
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{}
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template <typename T>
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svg_renderer<T>::~svg_renderer() {}
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template <typename T>
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void svg_renderer<T>::start_map_processing(Map const& map)
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{
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MAPNIK_LOG_DEBUG(svg_renderer) << "svg_renderer: Start map processing";
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// generate XML header.
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generator_.generate_header();
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// generate SVG root element opening tag.
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// the root element defines the size of the image,
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// which is taken from the map's dimensions.
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svg::root_output_attributes root_attributes(common_.width_, common_.height_);
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generator_.generate_opening_root(root_attributes);
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boost::optional<color> const& bgcolor = map.background();
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if(bgcolor)
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{
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// generate background color as a rectangle that spans the whole image.
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svg::rect_output_attributes bg_attributes(0, 0, common_.width_, common_.height_, *bgcolor);
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generator_.generate_rect(bg_attributes);
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}
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}
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template <typename T>
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void svg_renderer<T>::end_map_processing(Map const& map)
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{
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// generate SVG root element closing tag.
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generator_.generate_closing_root();
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MAPNIK_LOG_DEBUG(svg_renderer) << "svg_renderer: End map processing";
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}
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template <typename T>
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void svg_renderer<T>::start_layer_processing(layer const& lay, box2d<double> const& query_extent)
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{
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generator_.generate_opening_group(lay.name());
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MAPNIK_LOG_DEBUG(svg_renderer) << "svg_renderer: Start layer processing=" << lay.name();
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}
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template <typename T>
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void svg_renderer<T>::end_layer_processing(layer const& lay)
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{
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generator_.generate_closing_group();
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MAPNIK_LOG_DEBUG(svg_renderer) << "svg_renderer: End layer processing=" << lay.name();
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}
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template class svg_renderer<std::ostream_iterator<char> >;
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}
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