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OT: Need a graphics algorithm

Any ideas on this?...

In a rectangular 24bit RGB pixel field, two areas A & B, both are contiguous
(no islands), but B is an island within A. Given a point in B, find the
straight line distance to the nearest point in A... And do it quickly.

What I am ultimately trying to do is antialias the edge of a "blob" (B). I
figure if I can find the distance to the edge I can just adjust the
transparency when it gets within 2 pixels or so. Maybe there is a better
way, but this was my initial thought.

Thanks for any suggestions.

Trygve
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 >Re: What do we want in Carbon? (was Modern C++) (From: Laurence Harris <email@hidden>)



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