History of Alpha compositing
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Revision 2
. . September 27, 2001 10:50 am by
Levork
[use greek letters where appropriate]
Revision 1
. . September 27, 2001 8:10 am by
Levork
Difference (from prior major revision)
(no other diffs)
Changed: 39c39
C
o
= C
a
+ C
b
x (1 - A
a
)
C
o
= C
a
+ C
b
x (1 - α
a
)
Changed: 43c43
pixel in element B, and A
a
is the alpha of the pixel in
pixel in element B, and α
a
is the alpha of the pixel in
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