[cairo] [Pixman] Supersampling - 2nd attempt

[Krzysztof Kosiński]

2010/8/13 Arjen Nienhuis <a.g.nienhuis at gmail.com>:
> 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...

I would say that this is expected, because a box filter is used to
combine the subpixel values. A more advanced resampling filter like
tent, Gaussian or Lanczos could give better results.

Regards, Krzysztof