v = get_value(x, y)



set_value(x, y, v)


r, g, b = get_rgb(x, y)


set_rgb(x, y, r, g, B)


r, g, b, a = get_rgba(x, y)


set_rgba(x, y)


h, s, v = get_hsv(x, y)


set_hsv(x, y, h, s, v)


h, s, l = get_hsl(x, y)


set_hsl(x, y, h, s, l)


l, a, b = get_lab(x, y)


set_lab(x, y)


c, m, y, k = get_cmyk(x, y)


set_cmyk(x, y, c, m, y, k)


flush()

progress(v) // only a stub, progress is not shown in TwistedBrush