[net.micro] fill routine

PELLEGRINO@cmu-cs-c.arpa (04/15/83)

I think it would be useful for Mr. kivolowitz to post his polygon filler. 
(maybe by this time he has...) I am also aware of another algorithm which
has a vector as wide as the polygon scan down the figure. Everytime the vector
intersects with a pixel, it toggles that bit. As it is scanning it lights the
pixels under the vector bits that are toggled on.
Of course, with this method you could not have any stray pixels lit inside
the border of the figure, but typicaly you probably wouldn't.

				bob pellegrino
				pellegrino@cmu-cs-c
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