mapnik/bindings/python/mapnik_svg.hpp
Mickey Rose bd9609c370 new feature: transform expressions are now dynamic
(cherry picked from commit 173c402b5c142310087246b0ea54dbec54edcac8)

Conflicts:

	include/mapnik/vertex_converters.hpp
	src/agg/process_markers_symbolizer.cpp
	src/agg/process_point_symbolizer.cpp
	src/agg/process_polygon_pattern_symbolizer.cpp
	src/load_map.cpp
2012-06-06 17:34:26 +02:00

65 lines
2.1 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2010 Robert Coup
*
* 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
*
*****************************************************************************/
#ifndef MAPNIK_PYTHON_BINDING_SVG_INCLUDED
#define MAPNIK_PYTHON_BINDING_SVG_INCLUDED
// mapnik
#include <mapnik/parse_transform.hpp>
#include <mapnik/symbolizer.hpp>
#include <mapnik/svg/svg_path_parser.hpp>
#include <mapnik/value_error.hpp>
// boost
#include <boost/make_shared.hpp>
// agg
#include "agg_trans_affine.h"
namespace mapnik {
using namespace boost::python;
template <class T>
const std::string get_svg_transform(T& symbolizer)
{
return symbolizer.get_image_transform_string();
}
template <class T>
void set_svg_transform(T& symbolizer, std::string const& transform_wkt)
{
agg::trans_affine tr;
if (!mapnik::svg::parse_transform(transform_wkt.c_str(), tr))
{
std::stringstream ss;
ss << "Could not parse transform from '"
<< transform_wkt
<< "', expected SVG transform attribute";
throw mapnik::value_error(ss.str());
}
transform_list_ptr trans = boost::make_shared<transform_list>();
trans->push_back(matrix_node(tr));
symbolizer.set_image_transform(trans);
}
} // end of namespace mapnik
#endif // MAPNIK_PYTHON_BINDING_SVG_INCLUDED