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58 lines
2.2 KiB
C++
58 lines
2.2 KiB
C++
//=======================================================================
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// Copyright 2001 Jeremy G. Siek, Andrew Lumsdaine, Lie-Quan Lee,
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//
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// This file is part of the Boost Graph Library
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//
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// You should have received a copy of the License Agreement for the
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// Boost Graph Library along with the software; see the file LICENSE.
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// If not, contact Office of Research, Indiana University,
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// Bloomington, IN 47405.
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//
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// Permission to modify the code and to distribute the code is
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// granted, provided the text of this NOTICE is retained, a notice if
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// the code was modified is included with the above COPYRIGHT NOTICE
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// and with the COPYRIGHT NOTICE in the LICENSE file, and that the
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// LICENSE file is distributed with the modified code.
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//
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// LICENSOR MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED.
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// By way of example, but not limitation, Licensor MAKES NO
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// REPRESENTATIONS OR WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY
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// PARTICULAR PURPOSE OR THAT THE USE OF THE LICENSED SOFTWARE COMPONENTS
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// OR DOCUMENTATION WILL NOT INFRINGE ANY PATENTS, COPYRIGHTS, TRADEMARKS
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// OR OTHER RIGHTS.
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//=======================================================================
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#include <boost/config.hpp>
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#include <fstream>
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#include <map>
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#include <string>
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#include <boost/graph/strong_components.hpp>
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#include <boost/graph/graphviz.hpp>
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int
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main()
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{
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using namespace boost;
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GraphvizDigraph g;
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read_graphviz("figs/scc.dot", g);
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typedef graph_traits < GraphvizDigraph >::vertex_descriptor vertex_t;
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std::map < vertex_t, int >component;
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strong_components(g, make_assoc_property_map(component));
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property_map < GraphvizDigraph, vertex_attribute_t >::type
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vertex_attr_map = get(vertex_attribute, g);
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std::string color[] = {
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"white", "gray", "black", "lightgray"};
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graph_traits < GraphvizDigraph >::vertex_iterator vi, vi_end;
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for (tie(vi, vi_end) = vertices(g); vi != vi_end; ++vi) {
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vertex_attr_map[*vi]["color"] = color[component[*vi]];
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vertex_attr_map[*vi]["style"] = "filled";
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if (vertex_attr_map[*vi]["color"] == "black")
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vertex_attr_map[*vi]["fontcolor"] = "white";
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}
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write_graphviz("figs/scc-out.dot", g);
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return EXIT_SUCCESS;
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}
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