samples/postscript/postscript.go
func Draw(gc draw2d.GraphicContext, filename string) {
	// Open the postscript
	src, err := os.OpenFile(filename, 0, 0)
	if err != nil {
		panic(err)
	}
	defer src.Close()
	bytes, err := ioutil.ReadAll(src)
	reader := strings.NewReader(string(bytes))

	// Initialize and interpret the postscript
	interpreter := ps.NewInterpreter(gc)
	interpreter.Execute(reader)
}
func Draw(gc draw2d.GraphicContext, filename string) {
	// Open the postscript
	src, err := os.OpenFile(filename, 0, 0)
	if err != nil {
		panic(err)
	}
	defer src.Close()
	bytes, err := ioutil.ReadAll(src)
	reader := strings.NewReader(string(bytes))

	// Initialize and interpret the postscript
	interpreter := ps.NewInterpreter(gc)
	interpreter.Execute(reader)
}
// Draw a tiger