On 20/08/2011 03:43 PM, Darren New wrote:
> On 8/20/2011 4:11, Warp wrote:
>> Drawing an accurate antialiased line (of certain width) is not a trivial
>> problem. Basically for each pixel you need to calculate how much of it is
>> covered by the line. Doing this accurately with integer math only can be
>> complicated.
>
> I am not sure you can do it accurately with integer math at all, given
> that there's a "portion of a pixel" involved in there somewhere. At best
> you'd be working in scaled fixed-point.

You realise that all of the quantities involved are rational, right? And 
that a rational number is just two integers?

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