#100 improve canvas line performance

[Don Porter]

Back in 1993, Scott Schwartz <schwartz@bio.cse.psu.edu>
posted to CLT a patch to hve better drawing
performance of line segments on a canvas. Idea
is to make fewer X library calls and have each call
do more. See:

http://groups.google.com/groups?q=group:comp.lang.tcl+author:Scott+author:Schwartz&hl=en&selm=CA4DwF.3uF%40cs.psu.edu&rnum=90

There may be ideas in that patch worth exploiting.

[Jeffrey Hobbs]

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The more succint URL is:

http://groups.google.com/groups?selm=CA4DwF.3uF%40cs.psu.edu

I'm leaving this unassigned for someone else to pick up
should they want. While it is nice to have things gaster,
given the 9 year difference since the first note, and the
CPU doubling rate, computers are 2^6 faster on average now,
so perhaps this is moot.