// Boost.Geometry (aka GGL, Generic Geometry Library) // Copyright (c) 2011-2012 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 examples #ifndef CREATE_SVG_TWO_HPP #define CREATE_SVG_TWO_HPP #include <fstream> #include <boost/algorithm/string.hpp> #if defined(HAVE_SVG) # include <boost/geometry/io/svg/svg_mapper.hpp> #endif template <typename Geometry1, typename Geometry2> void create_svg(std::string const& filename, Geometry1 const& a, Geometry2 const& b) { #if defined(HAVE_SVG) std::cout << std::endl << "[$img/algorithms/" << boost::replace_all_copy(filename, ".svg", ".png") << "]" << std::endl << std::endl; 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(a); mapper.add(b); mapper.map(a, "fill-opacity:0.5;fill:rgb(153,204,0);stroke:rgb(153,204,0);stroke-width:2"); if (boost::geometry::geometry_id<Geometry2>::value == 1) { mapper.map(b, "fill:rgb(255,128,0);stroke:rgb(0,0,100);stroke-width:1"); } else { mapper.map(b, "opacity:0.8;fill:none;stroke:rgb(255,128,0);stroke-width:4;stroke-dasharray:1,7;stroke-linecap:round"); } #else boost::ignore_unused_variable_warning(filename); boost::ignore_unused_variable_warning(a); boost::ignore_unused_variable_warning(b); #endif } // NOTE: convert manually from svg to png using Inkscape ctrl-shift-E // and copy png to html/img/algorithms/ #endif // CREATE_SVG_TWO_HPP