[cairo] inner bevel and other similar filters

Gerdus van Zyl gerdusvanzyl at gmail.com
Mon Jul 28 09:23:11 PDT 2008

The best way is to get a good book or academic paper of course. But I
have always found that reading code is a better way to learn how to

some links in order of relevance:


On Mon, Jul 28, 2008 at 5:11 PM, Michael Gurnett <gurnett at glocalnet.net> wrote:
> Are there any books or web pages that discuss the mathematics behind various
> filter effects that one finds in photoshop, gimp and similar.
> Thanks
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