2011

Table Of Contents
(a) Composition output view (b) Tool output view (Keyer)
When a stroke is added to the front image (in this case using black), the stroke
is constrained to the white part of the alpha, and since the alpha was not
selected, no change to the alpha was made.
(a) Black stroke contained within boundaries set by alpha
When the alpha is painted with a black stroke, the resulting output image is
also altered; more of it becomes transparent.
Layer Behavior | 581