[Gimp-user] bizarre behavior of tracing tools with GIMP 2.3

2007-07-14 Thread Olivier Lecarme
I installed version 2.3.18 on two similar computers: Debian Sid and
kernel 2.6.21. The problem occurs only on one of the computers, not the
other. It does not occur at all with version 2.2.

With all the tracing tools that use a brush (pencil, brush, eraser,
dodge and burn, etc.) but only with them, as soon as the pointer is in
the image window, there appears a series of images of the current brush,
light green. They don't modify the image itself, as simply redrawing it
makes the images to disappear.

An example can be seen on http://pierredelune.i3s.unice.fr/bizarre.png

Since this problem makes Gimp 2.3 pretty unusable for me, I would very
much like to find a solution. What other information would be useful?

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Olivier Lecarme
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Re: [Gimp-user] bizarre behavior of tracing tools with GIMP 2.3

2007-07-14 Thread Olivier Lecarme
David Gowers [EMAIL PROTECTED] wrote:

 On 7/14/07, Olivier Lecarme [EMAIL PROTECTED] wrote:
  I installed version 2.3.18 on two similar computers: Debian Sid and
  kernel 2.6.21. The problem occurs only on one of the computers, not the
  other. It does not occur at all with version 2.2.
 
  With all the tracing tools that use a brush (pencil, brush, eraser,
  dodge and burn, etc.) but only with them, as soon as the pointer is in
  the image window, there appears a series of images of the current brush,
  light green. They don't modify the image itself, as simply redrawing it
  makes the images to disappear.
 
  An example can be seen on http://pierredelune.i3s.unice.fr/bizarre.png
 
  Since this problem makes Gimp 2.3 pretty unusable for me, I would very
  much like to find a solution. What other information would be useful?
 
 I don't know. But this is a bug in your X server; it does not handle
 XOR drawing correctly. You may be able to configure X to work around
 the bug. You should probably ask this question on the appropriate list
 for XFree86 or X.org, whichever you are using, and provide the
 contents of the Device section for your video card (found in
 /etc/X11/XF86Config-4 or /etc/X11/Xorg.conf depending on whether you
 use XF86 or Xorg)

Maybe a bug in the X server, but then, why does it occur only in Gimp
version 2.3, not 2.2, and in no other graphic tool ? Moreover, I have
the same version of Xorg on both computers, and the problem occurs on
only one. Still moreover, is not XOR drawing used for moving the pointer
image anywhere on the screen?

Thus I'm asking what could be specific to Gimp 2.3.

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Re: [Gimp-user] bizarre behavior of tracing tools with GIMP 2.3

2007-07-14 Thread Olivier Lecarme
David Gowers [EMAIL PROTECTED] wrote:

 On 7/14/07, Olivier Lecarme [EMAIL PROTECTED] wrote:
  David Gowers [EMAIL PROTECTED] wrote:
   I don't know. But this is a bug in your X server; it does not handle
   XOR drawing correctly. You may be able to configure X to work around
   the bug. You should probably ask this question on the appropriate list
   for XFree86 or X.org, whichever you are using, and provide the
   contents of the Device section for your video card (found in
   /etc/X11/XF86Config-4 or /etc/X11/Xorg.conf depending on whether you
   use XF86 or Xorg)
 
  Maybe a bug in the X server, but then, why does it occur only in Gimp
  version 2.3, not 2.2, and in no other graphic tool ? Moreover, I have
 The drawing color changed (and I think the way GDK implements the
 draw, which matters because GIMP increased the version of GTK they
 require (GTK includes GDK)) between 2.2 and 2.3
  the same version of Xorg on both computers, and the problem occurs on
  only one.
 The version of Xorg is irrelevant -- that comparison only makes sense
 if you have the same *video card* in both systems. This bug has been
 reported several times, and it's directly related to X's driver for
 your video card.

OK. The video cards are different:
- on the computer where it works correctly: ATI Technologies Inc RV 370
5B60 [Radeon X300 (PCIE)]
- on the computer where it fails:  ATI Technologies Inc Radeon RV100 QY
[Radeon 7000/VE]

But the X driver is the same in both cases, i.e. ati. Should I try the
proprietary fglrx driver?

Anyway, thanks a lot for answering me questions not really relevant to
this list!

-- 


Olivier Lecarme
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Re: [Gimp-user] bizarre behavior of tracing tools with GIMP 2.3

2007-07-14 Thread David Gowers
On 7/15/07, Olivier Lecarme [EMAIL PROTECTED] wrote:
 David Gowers [EMAIL PROTECTED] wrote:
  The version of Xorg is irrelevant -- that comparison only makes sense
  if you have the same *video card* in both systems. This bug has been
  reported several times, and it's directly related to X's driver for
  your video card.

 OK. The video cards are different:
 - on the computer where it works correctly: ATI Technologies Inc RV 370
 5B60 [Radeon X300 (PCIE)]
I'll add that here, I have an 'ATI Technologies Inc RV280 [Radeon 9200 PRO]'
running under the normal X.org ATI driver (X.org version 7.0.0) with
no XOR problems.

 - on the computer where it fails:  ATI Technologies Inc Radeon RV100 QY
 [Radeon 7000/VE]

 But the X driver is the same in both cases, i.e. ati. Should I try the
 proprietary fglrx driver?
Yes, that would probably be wise.


 Anyway, thanks a lot for answering me questions not really relevant to
 this list!
No problem.
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