ccontext:PaintWithAlpha -- paint current source with alpha
Synopsis
ccontext:PaintWithAlpha(alpha)
Function
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 ccontext:Paint(), but the drawing
is faded out using the alpha value.
Inputs
alpha
alpha value, between 0 (transparent) and 1 (opaque)