109 lines
3.7 KiB
C++
109 lines
3.7 KiB
C++
/*****************************************************************************
|
|
*
|
|
* This file is part of Mapnik (c++ mapping toolkit)
|
|
*
|
|
* Copyright (C) 2014 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
|
|
*
|
|
*****************************************************************************/
|
|
|
|
#if defined(SVG_RENDERER)
|
|
|
|
// mapnik
|
|
#include <mapnik/debug.hpp>
|
|
#include <mapnik/svg/output/svg_renderer.hpp>
|
|
#include <mapnik/map.hpp>
|
|
#include <mapnik/layer.hpp>
|
|
#include <mapnik/label_collision_detector.hpp>
|
|
#include <mapnik/feature_type_style.hpp>
|
|
#include <mapnik/font_set.hpp>
|
|
|
|
// stl
|
|
#include <ostream>
|
|
|
|
namespace mapnik
|
|
{
|
|
|
|
template <typename T>
|
|
svg_renderer<T>::svg_renderer(Map const& m, T & output_iterator, double scale_factor, unsigned offset_x, unsigned offset_y) :
|
|
feature_style_processor<svg_renderer>(m, scale_factor),
|
|
output_iterator_(output_iterator),
|
|
generator_(output_iterator),
|
|
painted_(false),
|
|
common_(m, attributes(), offset_x, offset_y, m.width(), m.height(), scale_factor)
|
|
{}
|
|
|
|
template <typename T>
|
|
svg_renderer<T>::svg_renderer(Map const& m, request const& req, attributes const& vars, T & output_iterator, double scale_factor, unsigned offset_x, unsigned offset_y) :
|
|
feature_style_processor<svg_renderer>(m, scale_factor),
|
|
output_iterator_(output_iterator),
|
|
generator_(output_iterator),
|
|
painted_(false),
|
|
common_(m, req, vars, offset_x, offset_y, req.width(), req.height(), scale_factor)
|
|
{}
|
|
|
|
template <typename T>
|
|
svg_renderer<T>::~svg_renderer() {}
|
|
|
|
template <typename T>
|
|
void svg_renderer<T>::start_map_processing(Map const& map)
|
|
{
|
|
MAPNIK_LOG_DEBUG(svg_renderer) << "svg_renderer: Start map processing";
|
|
|
|
// generate XML header.
|
|
generator_.generate_header();
|
|
|
|
// generate SVG root element opening tag.
|
|
// the root element defines the size of the image,
|
|
// which is taken from the map's dimensions.
|
|
svg::root_output_attributes root_attributes(common_.width_, common_.height_);
|
|
generator_.generate_opening_root(root_attributes);
|
|
|
|
boost::optional<color> const& bgcolor = map.background();
|
|
if(bgcolor)
|
|
{
|
|
// generate background color as a rectangle that spans the whole image.
|
|
svg::rect_output_attributes bg_attributes(0, 0, common_.width_, common_.height_, *bgcolor);
|
|
generator_.generate_rect(bg_attributes);
|
|
}
|
|
}
|
|
|
|
template <typename T>
|
|
void svg_renderer<T>::end_map_processing(Map const&)
|
|
{
|
|
// generate SVG root element closing tag.
|
|
generator_.generate_closing_root();
|
|
MAPNIK_LOG_DEBUG(svg_renderer) << "svg_renderer: End map processing";
|
|
}
|
|
|
|
template <typename T>
|
|
void svg_renderer<T>::start_layer_processing(layer const& lay, box2d<double> const&)
|
|
{
|
|
generator_.generate_opening_group(lay.name());
|
|
MAPNIK_LOG_DEBUG(svg_renderer) << "svg_renderer: Start layer processing=" << lay.name();
|
|
}
|
|
|
|
template <typename T>
|
|
void svg_renderer<T>::end_layer_processing(layer const& lay)
|
|
{
|
|
generator_.generate_closing_group();
|
|
MAPNIK_LOG_DEBUG(svg_renderer) << "svg_renderer: End layer processing=" << lay.name();
|
|
}
|
|
|
|
template class svg_renderer<std::ostream_iterator<char> >;
|
|
}
|
|
|
|
#endif
|