/usr/include/mapnik/svg_renderer.hpp is in libmapnik2-dev 2.0.0+ds1-3build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2006 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
*
*****************************************************************************/
//$Id$
#ifndef SVG_RENDERER_HPP
#define SVG_RENDERER_HPP
// mapnik
#include <mapnik/feature_style_processor.hpp>
#include <mapnik/map.hpp>
#include <mapnik/svg/svg_generator.hpp>
#include <mapnik/svg/svg_output_attributes.hpp>
// stl
#include <string>
namespace mapnik
{
// parameterized with the type of output iterator it will use for output.
// output iterators add more flexibility than streams, because iterators
// can target many other output destinations besides streams.
template <typename OutputIterator>
class MAPNIK_DECL svg_renderer : public feature_style_processor<svg_renderer<OutputIterator> >,
private boost::noncopyable
{
public:
svg_renderer(Map const& m, OutputIterator& output_iterator, unsigned offset_x=0, unsigned offset_y=0);
~svg_renderer();
void start_map_processing(Map const& map);
void end_map_processing(Map const& map);
void start_layer_processing(layer const& lay);
void end_layer_processing(layer const& lay);
/*!
* @brief Overloads that process each kind of symbolizer individually.
*/
void process(point_symbolizer const& sym,
Feature const& feature,
proj_transform const& prj_trans);
void process(line_symbolizer const& sym,
Feature const& feature,
proj_transform const& prj_trans);
void process(line_pattern_symbolizer const& sym,
Feature const& feature,
proj_transform const& prj_trans);
void process(polygon_symbolizer const& sym,
Feature const& feature,
proj_transform const& prj_trans);
void process(polygon_pattern_symbolizer const& sym,
Feature const& feature,
proj_transform const& prj_trans);
void process(raster_symbolizer const& sym,
Feature const& feature,
proj_transform const& prj_trans);
void process(shield_symbolizer const& sym,
Feature const& feature,
proj_transform const& prj_trans);
void process(text_symbolizer const& sym,
Feature const& feature,
proj_transform const& prj_trans);
void process(building_symbolizer const& sym,
Feature const& feature,
proj_transform const& prj_trans);
void process(markers_symbolizer const& sym,
Feature const& feature,
proj_transform const& prj_trans);
void process(glyph_symbolizer const& sym,
Feature const& feature,
proj_transform const& prj_trans);
/*!
* @brief Overload that process the whole set of symbolizers of a rule.
* @return true, meaning that this renderer can process multiple symbolizers.
*/
bool process(rule::symbolizers const& syms,
Feature const& feature,
proj_transform const& prj_trans);
void painted(bool painted)
{
// nothing to do
}
inline OutputIterator& get_output_iterator()
{
return output_iterator_;
}
inline const OutputIterator& get_output_iterator() const
{
return output_iterator_;
}
private:
OutputIterator& output_iterator_;
const int width_;
const int height_;
CoordTransform t_;
svg::svg_generator<OutputIterator> generator_;
svg::path_output_attributes path_attributes_;
bool painted_;
/*!
* @brief Visitor that makes the calls to process each symbolizer when stored in a boost::variant.
* This object follows the model of that found in feature_style_processor. It appears here, because
* the logic that iterates over the set of symbolizer has been moved to an SVG renderer's internal
* method.
*/
struct symbol_dispatch : public boost::static_visitor<>
{
symbol_dispatch(svg_renderer<OutputIterator>& processor,
Feature const& feature,
proj_transform const& prj_trans)
: processor_(processor),
feature_(feature),
prj_trans_(prj_trans) {}
template <typename Symbolizer>
void operator()(Symbolizer const& sym) const
{
processor_.process(sym, feature_, prj_trans_);
}
svg_renderer<OutputIterator>& processor_;
Feature const& feature_;
proj_transform const& prj_trans_;
};
};
}
#endif //SVG_RENDERER_HPP
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