[cairo] Concerns about using filters for downscaling

[Owen Taylor]

On Tue, 2014-03-25 at 16:39 -0400, Owen Taylor wrote:

> The other consideration is things look actually like, of course.
> I've put up samples of the different downscaling methods on different
> images at:
> 
>  http://fishsoup.net/misc/downscaling/samples.html

Turned out that some box filtering crept into the Mipmap/Trilinear
samples - I've fixed that now, but if you looked at the images
immediately after I posted the link and drew any conclusions, you should
reload the page and look again.

- Owen