Problems with "embedded" transparency masks onto adj. layers

[Dmitry Kazakov]

>
>
> It used to work just fine in 1.6, where we used an alpha8 colorspace and
>> COMPOSITE_OVER to paint on selections, I'm not sure I understand why this
>> would not work in 2.x. I definitely don't believe we need to double the
>> memory
>> requirements of selections to be able to paint on them: I think using a
>> different composite op should be enough.
>>
>
> How are you intending to describe the shape of the brush without a separate
> alpha channel?
>

Well, i don't mean we "must" use a separate alpha channel inside(!)
KisSelection. This channel must be present in paintOp's dab. The problem is
when we use different CS'es for paint device and paintOp's dab - compositing
becomes quite tricky.

-- 
Dmitry Kazakov
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