# File gtk/sample/gtk-demo/cairo-dash.rb, line 19
    def draw(cr)
      dashes = [
        0.20,  # in
        0.05,  # skip
        0.05,  # ink
        0.05,  # skip
      ]

      offset = -0.2

      cr.set_dash(dashes, offset)

      cr.move_to(0.5, 0.1)
      cr.line_to(0.9, 0.9)
      cr.rel_line_to(-0.4, 0.0)
      cr.curve_to(0.2, 0.9, 0.2, 0.5, 0.5, 0.5)
      
      cr.stroke
    end