Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!umich!samsung!uunet!mcsun!inria!irisa!boissier
From: boissier@irisa.irisa.fr (franck boissiere)
Newsgroups: comp.lang.smalltalk
Subject: Smalltalk 80 strange behavior
Keywords: smalltalk-80, bitblt, bug
Message-ID: <1907@irisa.irisa.fr>
Date: 10 Jan 90 12:50:14 GMT
Organization: IRISA, Rennes (Fr)
Lines: 25

I just noticed a strange behavior of Smalltalk-80 Version 2.5 on
a SparcStation 1.

It seems to be slower to draw lines directly onto the Display rather
than writing to a temporary instance of Form and to display it
afterwards.

Another pb is that line drawing on the screen is buggy. About all the
lines I have drawn up to now do not show up correctly there are parts missing.
A good way to see it it to load the 3D goodies from Pieter Van Der Meulen.

Did anyone noticed it already?

Are there any fixes

Thanks in advance

Franck
******

-- 
Franck BOISSIERE                        boissier@irisa.irisa.fr
Prototyping Lab Manager                 boissier@ccettix.UUCP
C.C.E.T.T.   B.P. 59                    boissier%irisa.irisa.fr@uunet.uu.net
35512 CESSON SEVIGNE CEDEX  FRANCE