# File lib/cairo/color.rb, line 168 def initialize(c, m, y, k, a=1.0) super(a) assert_in_range(c, "cyan") assert_in_range(m, "magenta") assert_in_range(y, "yellow") assert_in_range(k, "key plate") @cyan = c @magenta = m @yellow = y @key_plate = k end