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List: kde-kimageshop
Subject: Re: Patch for speeding up the painting of the autobrush
From: "LukasT.dev () gmail ! com" <lukast ! dev () gmail ! com>
Date: 2010-02-03 7:47:33
Message-ID: 201002030847.33608.LukasT.dev () gmail ! com
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On Tuesday 02 February 2010 17:16:30 Cyrille Berger wrote:
> On Tuesday 02 February 2010, LukasT.dev@gmail.com wrote:
> > Here are the results:
> > http://lukast.mediablog.sk/i/AutoBrush_70px_rotated-new-randomLines.png
> > http://lukast.mediablog.sk/i/AutoBrush_70px_rotated-old-randomLines.png
>
> What bother me is that when I draw at 1600%, I can't see a difference
> between valueAt and interpolatedValueAt (of course I do that with small
> mask, could the problem only appear with bigger mask ?).
Can't or can?
> >
> > computing the brush mask unrotated and rotate when compositing
>
> What would be the benefit of that ?
Allows to do mipmapping which would not work with rotation.
As I said on IRC, mip-mapping does not work for rotation.
With this we could easily add support for rotation of the gimp brushes.
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