boost/libs/graph/example/write_graphviz.cpp
2021-10-05 21:37:46 +02:00

63 lines
1.8 KiB
C++

// Copyright 2007 Trustees of Indiana University
// 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)
// A simple example of using write_graphviz to output a BGL adjacency_list
// graph in GraphViz Dot format.
// Author: Doug Gregor
#include <boost/graph/graphviz.hpp>
enum files_e
{
dax_h,
yow_h,
boz_h,
zow_h,
foo_cpp,
foo_o,
bar_cpp,
bar_o,
libfoobar_a,
zig_cpp,
zig_o,
zag_cpp,
zag_o,
libzigzag_a,
killerapp,
N
};
const char* name[] = { "dax.h", "yow.h", "boz.h", "zow.h", "foo.cpp", "foo.o",
"bar.cpp", "bar.o", "libfoobar.a", "zig.cpp", "zig.o", "zag.cpp", "zag.o",
"libzigzag.a", "killerapp" };
int main(int, char*[])
{
typedef std::pair< int, int > Edge;
Edge used_by[] = { Edge(dax_h, foo_cpp), Edge(dax_h, bar_cpp),
Edge(dax_h, yow_h), Edge(yow_h, bar_cpp), Edge(yow_h, zag_cpp),
Edge(boz_h, bar_cpp), Edge(boz_h, zig_cpp), Edge(boz_h, zag_cpp),
Edge(zow_h, foo_cpp), Edge(foo_cpp, foo_o), Edge(foo_o, libfoobar_a),
Edge(bar_cpp, bar_o), Edge(bar_o, libfoobar_a),
Edge(libfoobar_a, libzigzag_a), Edge(zig_cpp, zig_o),
Edge(zig_o, libzigzag_a), Edge(zag_cpp, zag_o),
Edge(zag_o, libzigzag_a), Edge(libzigzag_a, killerapp) };
const int nedges = sizeof(used_by) / sizeof(Edge);
int weights[nedges];
std::fill(weights, weights + nedges, 1);
using namespace boost;
typedef adjacency_list< vecS, vecS, directedS,
property< vertex_color_t, default_color_type >,
property< edge_weight_t, int > >
Graph;
Graph g(used_by, used_by + nedges, weights, N);
write_graphviz(std::cout, g, make_label_writer(name));
}