You can convert the generated dot file with the dot utility (http://www.graphviz.org/):
dot -Tpng workflow.dot > workflow.png
/**
* {@inheritdoc}
*/
protected function execute(InputInterface $input, OutputInterface $output)
{
$workflow = $this->getContainer()->get('workflow.' . $input->getArgument('name'));
$definition = $this->getProperty($workflow, 'definition');
$dumper = new GraphvizDumper();
$marking = new Marking();
foreach ($input->getArgument('marking') as $place) {
$marking->mark($place);
}
$output->writeln($dumper->dump($definition, $marking));
}
/**
* {@inheritdoc}
*/
protected function execute(InputInterface $input, OutputInterface $output)
{
$container = $this->getContainer();
$serviceId = $input->getArgument('name');
if ($container->has('workflow.' . $serviceId)) {
$workflow = $container->get('workflow.' . $serviceId);
} elseif ($container->has('state_machine.' . $serviceId)) {
$workflow = $container->get('state_machine.' . $serviceId);
} else {
throw new \InvalidArgumentException(sprintf('No service found for "workflow.%1$s" nor "state_machine.%1$s".', $serviceId));
}
$dumper = new GraphvizDumper();
$marking = new Marking();
foreach ($input->getArgument('marking') as $place) {
$marking->mark($place);
}
$output->writeln($dumper->dump($workflow->getDefinition(), $marking));
}
