[cairo] Pixels Are Not Little Squares

Lawrence D'Oliveiro ldo at geek-central.gen.nz
Wed Jun 22 01:48:07 UTC 2016

On Fri, 22 Apr 2016 13:22:19 -0700, Krzysztof Kosiński wrote:

> The little square model is OK for Cairo, since it uses a box filter...

Just in case there is any confusion over this point, the “box” shape for
a filter is the shape in the frequency domain. In the sample domain,
the dual of this is the sinc function, which looks nothing like a little

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