class Magick::RVG::PathData

def arc(abs, rx, ry, x_axis_rotation, large_arc_flag, sweep_flag, x, y)
  @path << sprintf('%s%g,%g %g %d %d %g,%g ', (abs ? 'A' : 'a'), rx, ry, x_axis_rotation, large_arc_flag, sweep_flag, x, y)
end