Package: gdk

Accessor gdk:rgba-alpha

Lambda List

gdk:rgba-alpha (instance)

Syntax

(gdk:rgba-alpha instance) => alpha
(setf (gdk:rgba-alpha instance) alpha)

Arguments

instance -- a gdk:rgba instance
alpha -- a number coerced to a single float for the opacity of the color from 0.0 for completely translucent to 1.0 for opaque

Details

The accessor for the alpha slot gets the opacity.
 

See also

gdk:rgba
2026-08-01