line
fun line(p0: Point, p1: Point, color0: RGBA = color, color1: RGBA = color0, m: Matrix = currentMatrix)
fun line(x0: Double, y0: Double, x1: Double, y1: Double, color0: RGBA = color, color1: RGBA = color0, m: Matrix = currentMatrix)
fun line(x0: Int, y0: Int, x1: Int, y1: Int, color0: RGBA = color, color1: RGBA = color0, m: Matrix = currentMatrix)