[Pixman] [cairo] Supersampling - 2nd attempt

[Arjen Nienhuis]

On Fri, Aug 13, 2010 at 4:31 PM, Behdad Esfahbod
<behdad.esfahbod at gmail.com>wrote:

> On 08/13/10 01:09, Soeren Sandmann wrote:
> > Krzysztof Kosiński <tweenk.pl at gmail.com> writes:
> >
> >> This is the second attempt at bitmap supersampling in Pixman.
> >
> > For people who are curious, this is a big quality improvement:
> >
> > original image (3200 x 2000):
> > http://www.daimi.au.dk/~sandmann/house.jpg
>
> Great image for testing.
>
>
> > without patch:
> > http://www.daimi.au.dk/~sandmann/house-before.png
> >
> > with patch:
> > http://www.daimi.au.dk/~sandmann/house-after.png
>
> Interesting that there's still aliasing going on, but blurred.


I think any algorithm will show some sort of aliasing for some images. Look
at this page for some comparisons:

http://www.xs4all.nl/~bvdwolf/main/foto/down_sample/down_sample.htm

The algorithm that he implemented is certainly not the best, but its
certainly better than what we have now...
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