At 08:21 PM 1/26/2000 , you wrote:
>On 26-Jan-00 Christian Vandendorpe wrote:
>
> > Yes, flood fill, I was missing the term. I thought about it a bit more and
> > will just do "arc fill" that means that to draw a pie wedge of a certain
> > color, I'll just draw many lines of that color from the center to the outer
> > limits of the pie throughout the angle of the wedge.
> >
> > It seems like overkill to do a rectangle fill of a pie wedge, at least to
> > me that sounds pretty complicated!
>
>There are lots of older graphics books that show how to do concave polygon
>fills by counting the edges.. i.e. go raster by raster and determine whether
>you are inside or outside of the polygon by counting how many lines you cross
>from left to right.. or something like that.
>
yes but for this you need to be able to look at the display and see if a
pixel is on or not, right? I dont think there is any function in the Palm
OS to see if a pixel is on. That's the problem.
Chris
---
Christian Vandendorpe ([EMAIL PROTECTED])
http://www.zorglub.com
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