[duxhelp] Re: More on screen corruption

  • From: "Peter Sullivan" <peter@xxxxxxxxxx>
  • To: <duxhelp@xxxxxxxxxxxxx>
  • Date: Wed, 29 Mar 2006 21:54:08 -0500


I'm sorry about the delay getting back to you on this thread.  Your report
below is more than detailed enough.  I've no problem at all seeing the same

I've re-opened problem #1535, which describes a problem with DBT's choice of
initial scroll positions when a document is first opened.  The problem had
been moved from my pile to Bob's, because I thought that we had things
working just before beta 1 was posted.  But your description points out that
the improvements I have made aren't always applied.  So I'll try again.

This is something that I'll probably work on tomorrow; I'll be offline for
the evening.  This problem appears to be just the kind of thing to occupy me
for an hour or so of quiet time away.  So I do hope that we'll have it fixed
for beta 4.

- Peter 

-----Original Message-----
From: Joanmarie Diggs [mailto:joanmarie.diggs@xxxxxxxxxxx]
Sent: Monday, March 20, 2006 2:28 PM
To: peter@xxxxxxxxxx
Subject: DBT Beta: More on screen corruption

Hi all.  When Peter indicated that the screen corruption issue was a new
one, I wasn't sure if he meant the particular reported instance of the
dialog box, or in general.  Therefore, just in case, I present the following
for your consideration....  
1.  I created a new, simple print document in Duxbury, typed some text out
so that I had several lines, translated it into braille and saved it.  That
file is attached as test.dxb.  
2. I quit Duxbury and relaunched it because I seem to see the screen
corruption upon opening braille files I receive from folks.  
3. I resized the window so that not all of the braille would fit on screen
horizontally.  See the first screen shot in the attached Word document.
4. I used the mouse to drag the horizontal scroll bar to the right.  I
immediately got screen corruption.  See the second screen shot in the
attached Word document (as an aside, when I've seen screen corruption in
other software, you can't capture it in a screen shot.  I got these with a
simple Alt Print Screen. I'm not sure what that means <smile> but I think
it's worth noting)
5. I used the mouse to drag the horizontal scroll bar to the left.  More
screen corruption.  See the third screen shot in the attached Word document.
Note that all this is taking place without any assistive technology being
used. Also, while the screen shots were taken from my Desktop computer, I
get very similar results on my laptop computer so I don't think it's unique
to one particular card/setup.  Although both cards are based on the ATI
chipset.... Speaking of which:
Desktop Video Card: VisionTek Xtasy 9200SE 128MB (set to 32 bit color,
1280x1024, dual monitors enabled and in use) Laptop Display Adapter: ATI
Mobility Radeon X600 (set to 32 bit color, 1280x800)
Both computers are using the Windows XP theme modified (I changed the
background image on each).  Both systems have JAWS 7.x on them, but not
running at the time of this experiment. 
In addition, both systems are running XP SP2, fully patched.  Desktop is
Pro; laptop is Home.  Both systems have 1G RAM. 
I hope that's enough to go on.  If not, or you'd like me to try something,
let me know. 
Take care.

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  • » [duxhelp] Re: More on screen corruption