Can you explain what 'the QuickDraw region algorithm' is/does?! Any pointers
would be very much appreciated.

  A.

> -----Original Message-----
> From: Lawson English [mailto:english at primenet.com]
> Sent: Tuesday, February 01, 2000 12:50 PM
> To: squeak at cs.uiuc.edu; Lex Spoon
> Cc: recipient list not shown
> Subject: Squeak regions (Was Re: Irregularly shaped main window
> 
> 
> 
> On Tue, Feb 1, 2000 10:34 AM, Lex Spoon <lex at cc.gatech.edu> wrote:
> >It's doable on Unix as well.  So the big three are covered.  We just
> >need a primitive to specify where the shape bitmap is.
> >
> >Lex
> 
> 
> 
> Has anyone looked at implementing the QuickDraw region algorithm in
> Squeak?
> 
> The patent has *certainly* run out since it has been more 
> than 15 years
> since the Mac was introduced. I'm willing to bet that QD regions are
> STILL
> the most efficient and fastest way to describe an irregular 
> region, and
> it
> would likely speed up Squeak graphics by a good bit to use 
> the algorithm
> as
> a primitive, which is no longer covered by any patent, AFAIK.
> 
> --------------------------------------------------------------
> ----------
> -
> Lawson English. Squeak, snore, etc.
> Check out <http://www.squeak.org>
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>