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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)