setColor Color red
drawLine int 100 int 100 int 200 int 200
#flush
setColor Color yellow
fillOval int 50 int 50 int 75 int 75
#flush
drawPolygon int[] 100 100 200 200 int[] 100 200 200 100 int 4
setColor Color black
drawString String 'Hello, \'JVizServer\' world!' int 300 int 200
h begin 100 100 graphviz neato
digraph G {
	bgcolor = "transparent";
	1 -> 2;
	2 -> 3;
	3 -> 1;
}
h end 100 100 graphviz neato