[cairo] Where are the stroking (and filling) guts?
M Joonas Pihlaja
jpihlaja at cc.helsinki.fi
Thu Jul 1 01:24:25 PDT 2010
On Thu, 1 Jul 2010, Nigel Tao wrote:
> I'd be curious to know how it compares with other rasterization
> algorithms (in quality as well as performance) whether from research
> literature or from other graphics libraries.
David Turner ran a comparison of various rasteriser implementations in
2007 you might be interested in. The gory details are in the rather
long thread here:
In a nutshell, the results indicate that the method you've implemented
is consistently the fastest among the antialiasing rasterizers he
tested. It's main weakness is that summed area/cover computations
don't account for intrapixel intersections correctly, so you get a
certain amount of sparkle if there are many such pixels. In practice
you probably wouldn't notice it unless it was pointed out though.
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