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// Boost.Geometry (aka GGL, Generic Geometry Library)
// Copyright (c) 2014 Barend Gehrels, Amsterdam, the Netherlands.
// Use, modification and distribution is subject to the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// Code to create SVG for buffer examples
#ifndef CREATE_SVG_BUFFER_HPP
#define CREATE_SVG_BUFFER_HPP
#include <fstream>
#if defined(HAVE_SVG)
# include <boost/geometry/io/svg/svg_mapper.hpp>
#endif
template <typename Geometry1, typename Geometry2>
void create_svg_buffer(std::string const& filename, Geometry1 const& original, Geometry2 const& buffer)
{
#if defined(HAVE_SVG)
typedef typename boost::geometry::point_type<Geometry1>::type point_type;
std::ofstream svg(filename.c_str());
boost::geometry::svg_mapper<point_type> mapper(svg, 400, 400);
mapper.add(original);
mapper.add(buffer);
// Draw buffer at bottom
mapper.map(buffer, "fill-opacity:0.6;fill:rgb(255,255,64);stroke:rgb(255,128,0);stroke-width:3");
// Draw original on top
mapper.map(original, "fill-opacity:0.6;fill:rgb(51,51,153);stroke:rgb(51,51,153);stroke-width:2");
#else
boost::ignore_unused_variable_warning(filename);
boost::ignore_unused_variable_warning(original);
boost::ignore_unused_variable_warning(buffer);
#endif
}
// NOTE: convert manually from svg to png using Inkscape ctrl-shift-E
// and copy png to html/img/...
#endif // CREATE_SVG_BUFFER_HPP
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