Animation paintop, bad performance

[Dmitry Kazakov]

>
>  use the COMPOSITE_COPY composite op.
>
> Reason #1 Avoid duplicating existing functionnality :) Especially since
> there might be optimization
>
> Reason #2 In your case, there will be a limited amount of memcpy, and
> memory usuage, as tiles will be shared between src and dst
>
> And in any case, avoid using deprecated iterators in new code.
>
>
Well, the problem here is that KisPainter::bitBlt doe not allow to read from
oldRawData. I think the interface should be modified somehow.

-- 
Dmitry Kazakov
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