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Re: Quickdraw
- To: comp-lang-lisp-mcl@services.cambridge.apple.com
- Subject: Re: Quickdraw
- From: Tom McDougal <mcdougal@cs.uchicago.edu>
- Date: Fri, 12 Aug 1994 19:31:16 GMT
- Newsgroups: comp.lang.lisp.mcl
- Organization: Univ. of Chicago Computer Science
- References: <CtxFps.Cqp@undergrad.math.uwaterloo.ca>
- Sender: news@bluebird.uchicago.edu (News System)
In article <CtxFps.Cqp@undergrad.math.uwaterloo.ca> Bruce Jakeway,
pbjakewa@barrow.uwaterloo.ca writes:
>I want to draw two colour rectangles which partially overlap on each
side, so
>that the part that overlap are set to the background colour and the rest
is in
>the foreground colour.
You could calculate the intersection (using INTERSECT-RECT) and
color it yourself.
There's probably a good reason you aren't doing this, but I hope
it doesn't hurt for me to mention it.
--
Tom McDougal mcdougal@cs.uchicago.edu +1 (312) 702-9923
University of Chicago Artificial Intelligence
- References:
- Quickdraw
- From: pbjakewa@barrow.uwaterloo.ca (Bruce Jakeway)