Granite.Drawing.Color.set_alpha – granite Reference Manual
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granite
Granite
Drawing
Color
alpha_from_int
blue_from_int
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Color
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darken_val
get_hue
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set_alpha
set_hue
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set_max_val
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set_sat
set_val
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A
B
G
R
set_alpha
Description:
public
Color
set_alpha
(
double
alpha)