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1 | //======================================================================= |
2 | // Copyright 2001 Jeremy G. Siek, Andrew Lumsdaine, Lie-Quan Lee, | |
3 | // | |
4 | // Distributed under the Boost Software License, Version 1.0. (See | |
5 | // accompanying file LICENSE_1_0.txt or copy at | |
6 | // http://www.boost.org/LICENSE_1_0.txt) | |
7 | //======================================================================= | |
8 | #include <boost/config.hpp> | |
9 | #include <fstream> | |
10 | #include <map> | |
11 | #include <string> | |
12 | #include <boost/graph/strong_components.hpp> | |
13 | #include <boost/graph/graphviz.hpp> | |
14 | ||
15 | int | |
16 | main() | |
17 | { | |
18 | using namespace boost; | |
19 | GraphvizDigraph g; | |
20 | read_graphviz("figs/scc.dot", g); | |
21 | ||
22 | typedef graph_traits < GraphvizDigraph >::vertex_descriptor vertex_t; | |
23 | std::map < vertex_t, int >component; | |
24 | ||
25 | strong_components(g, make_assoc_property_map(component)); | |
26 | ||
27 | property_map < GraphvizDigraph, vertex_attribute_t >::type | |
28 | vertex_attr_map = get(vertex_attribute, g); | |
29 | std::string color[] = { | |
30 | "white", "gray", "black", "lightgray"}; | |
31 | graph_traits < GraphvizDigraph >::vertex_iterator vi, vi_end; | |
32 | for (boost::tie(vi, vi_end) = vertices(g); vi != vi_end; ++vi) { | |
33 | vertex_attr_map[*vi]["color"] = color[component[*vi]]; | |
34 | vertex_attr_map[*vi]["style"] = "filled"; | |
35 | if (vertex_attr_map[*vi]["color"] == "black") | |
36 | vertex_attr_map[*vi]["fontcolor"] = "white"; | |
37 | } | |
38 | write_graphviz("figs/scc-out.dot", g); | |
39 | ||
40 | return EXIT_SUCCESS; | |
41 | } |