1 100 1 1 10 False 6 Aging False True 0 0 dialog False vertical 12 False end gtk-ok True True True True True True False True 0 gtk-cancel True True True True False True 1 gtk-help True True True True False True 2 True False True end 0 True False True True 0 none True False True True 6 12 True False True True 24 True False True True never never in True False True False True True 1 0 True False 6 True True adjustment1 Specifies the number of colors to which the image is to be reduced. 0 1 True False Aging degree: True value 0 0 0 0 0 True False Parameters False True 1 ok cancel help All pixels are set to their gray values, and then the green and blue color channels are reduced by the amount you specify. The red color channel is not changed.