_to_rgba_no_colorcycle(c, alpha=None)
If alpha is given, force the alpha value of the returned RGBA tuple to alpha. Otherwise, the alpha value from c is used, if it has alpha information, or defaults to 1.
alpha is ignored for the color value "none"
(case-insensitive), which always maps to (0, 0, 0, 0)
.
Convert c to an RGBA color, with no support for color-cycle syntax.
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