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RGtk2 (version 2.20.31)
cairoPaintWithAlpha: cairoPaintWithAlpha
Description
A drawing operator that paints the current source everywhere within the current clip region using a mask of constant alpha value
alpha
. The effect is similar to
cairoPaint
, but the drawing is faded out using the alpha value.
Usage
cairoPaintWithAlpha(cr, alpha)
Arguments
cr
[
Cairo
] a cairo context
alpha
[numeric] alpha value, between 0 (transparent) and 1 (opaque)