1 // Boost.Geometry (aka GGL, Generic Geometry Library)
2
3 // Copyright (c) 2011-2012 Barend Gehrels, Amsterdam, the Netherlands.
4
5 // Use, modification and distribution is subject to the Boost Software License,
6 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
7 // http://www.boost.org/LICENSE_1_0.txt)
8
9 // Code to create SVG for examples
10
11 #ifndef CREATE_SVG_TWO_HPP
12 #define CREATE_SVG_TWO_HPP
13
14 #include <fstream>
15 #include <boost/algorithm/string.hpp>
16 #include <boost/core/ignore_unused.hpp>
17 #if defined(HAVE_SVG)
18 # include <boost/geometry/io/svg/svg_mapper.hpp>
19 #endif
20
21 template <typename Geometry1, typename Geometry2>
create_svg(std::string const & filename,Geometry1 const & a,Geometry2 const & b)22 void create_svg(std::string const& filename, Geometry1 const& a, Geometry2 const& b)
23 {
24 #if defined(HAVE_SVG)
25 std::cout << std::endl << "[$img/algorithms/" << boost::replace_all_copy(filename, ".svg", ".png") << "]" << std::endl << std::endl;
26
27 typedef typename boost::geometry::point_type<Geometry1>::type point_type;
28 std::ofstream svg(filename.c_str());
29
30 boost::geometry::svg_mapper<point_type> mapper(svg, 400, 400);
31 mapper.add(a);
32 mapper.add(b);
33
34 mapper.map(a, "fill-opacity:0.5;fill:rgb(153,204,0);stroke:rgb(153,204,0);stroke-width:2");
35 if (boost::geometry::geometry_id<Geometry2>::value == 1)
36 {
37 mapper.map(b, "fill:rgb(255,128,0);stroke:rgb(0,0,100);stroke-width:1");
38 }
39 else
40 {
41 mapper.map(b, "opacity:0.8;fill:none;stroke:rgb(255,128,0);stroke-width:4;stroke-dasharray:1,7;stroke-linecap:round");
42 }
43 #else
44 boost::ignore_unused(filename, a, b);
45 #endif
46 }
47
48 // NOTE: convert manually from svg to png using Inkscape ctrl-shift-E
49 // and copy png to html/img/algorithms/
50
51
52 #endif // CREATE_SVG_TWO_HPP
53
54