[mcclim-devel] incremental redisplay and with-first-quadrant-coordinates

[Robert Strandh]

rpgoldman at real-time.com writes:
 > I find it hard to think of an ability to draw curved lines as an
 > extension.  I think it should be in the core of any modern GUI
 > toolkit.  Especially since it's going to be tempting to use
 > curve-drawing in higher level facilities (e.g. in drawing graph
 > edges).
 > 
 > Adding this seems like a big win, and adding it as an extension only
 > seems like a lose, because for portability one would have to provide a
 > straight-line alternative to anything that involves curves.  Not a
 > happy solution, IMHO.

You do have to think about consequences to output recording,
specifically testing whether two regions overlap, etc. 

-- 
Robert Strandh

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Greenspun's Tenth Rule of Programming: any sufficiently complicated C
or Fortran program contains an ad hoc informally-specified bug-ridden
slow implementation of half of Common Lisp.
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