Features changelog for Calligra 2.4 Beta

Boudewijn Rempt boud at valdyas.org
Fri Oct 7 11:07:03 UTC 2011


On Friday 07 October 2011 Oct, Sven Langkamp wrote:

> I did now run the mypaintop through vtune, which allows to profile while
> painting. Turns out there is one major bottleneck and that is
> KoColorSpace::convertPixelsTo. That's used because the paintop works in the
> MyPaint pixel format, so we convert into the MyPaint format and back (in
> MyPaintSurface). The function is much much more expensive than anything else
> and we need to find a way to avoid it if we want a functional MyPaint
> paintop.

hm... yes, well, that _should_ be possible if we figure out the maths behind the mypaint blending code and implement those in our colorspaces.
-- 
Boudewijn Rempt
http://www.valdyas.org, http://www.krita.org, http://www.boudewijnrempt.nl



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