New implementation of an Experimental Brush

[Lukast dev]

Hi Dmitry,

2012/11/18 Dmitry Kazakov <dimula73 at gmail.com>:
> Hi!
>
> As many of you know from IRC, I've been working on the experimental brush
> for a couple of days. And now it is ready for testing!
>
> What have changed:
> 1) It became much-much-much faster! You can paint with it on really big
> images and it'll still be responsive.

Great work!

> 2) Smoothing is now configurable

It was configurable even before. What has changed?

> 3) Speed option now generates much smoother results. Now it feels more like
> painting in Alchemy.

Cool!

> 4) I decided to drop the support of 'Displacement' option, because it is not
> so trivial to implement it in efficient (and responsive) way. But if the
> artists think they really need this option I can spend some more time on
> doing this.

I would like not to drop this feature. You don't have to optimize it really,
just leave the un-optimized version there, please.

Lukas