[cairo] drawing tons of circles

[Chris Wilson]

Excerpts from Mami's message of Mon Oct 05 19:22:06 +0100 2009:
> that is definately faster. I need to play a bit to correctly position the
> circles but I seem to be on track.

I should also mention that scaling artefacts may cause uglies if the
mask is more than 2x the size of the resultant circle. Just a word of
warning.
-ickle
-- 
Chris Wilson, Intel Open Source Technology Centre