arrowhead.rb in ruby-graphviz-0.9.2

- old
+ new

@@ -3,13 +3,13 @@
 $:.unshift( "../lib" );
 require "graphviz"
 
 g = nil
 if ARGV[0]
-  g = GraphViz::new( "G", "output" => "png", "path" => ARGV[0] )
+  g = GraphViz::new( "G", "path" => ARGV[0] )
 else
-  g = GraphViz::new( "G", "output" => "png" )
+  g = GraphViz::new( "G" )
 end
 
 g["rankdir"] = "LR"
 g.node["shape"] = "ellipse"
 g.edge["arrowhead"] = "normal"
@@ -92,6 +92,6 @@
   g.add_node( p, "shape" => "point" )
   g.add_node( s )
   g.add_edge( p, s, "arrowhead" => s )
 }
 
-g.output( :file => "#{$0}.png" )
+g.output( :png => "#{$0}.png" )