Discussion:
[9fans] xor draw
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Yaroslav
2013-02-14 18:51:19 UTC
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we can't do XOR drawing with draw(2) like with bitblt, can we?
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- Yaroslav
erik quanstrom
2013-02-14 19:10:07 UTC
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Post by Yaroslav
we can't do XOR drawing with draw(2) like with bitblt, can we?
if there's a trivial α channel, it's possible. otherwise one
runs the risk of α multiplication.

- erik
Yaroslav
2013-02-14 20:31:56 UTC
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Post by Yaroslav
we can't do XOR drawing with draw(2) like with bitblt, can we?
if there's a trivial α channel, it's possible. otherwise one
runs the risk of α multiplication.
No alpha there - I'd like to learn the trick please.

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