https://bugzilla.novell.com/show_bug.cgi?id=735824
https://bugzilla.novell.com/show_bug.cgi?id=735824#c13
--- Comment #13 from Johannes Meixner 2012-01-12 08:33:55 UTC ---
Reimar Imhof,
many thanks for testing it!
The YaST test page /usr/share/YaST2/data/testprint.ps
is the CUPS 1.3 test page. It is plain simple PostScript.
Juergen Weigert tested the package named "ghostscript"
from "home:jsmeix" which is plain upstream Ghostscript 9.04
without any patches or changes.
This shows that those regressions are neither caused nor fixed
by our patches but are new bugs in upstream Ghostscript 9.04.
Therefore I would really appreciate it if both of you
Reimar and Juergen coud report those issues
directly to upstream Ghostscript via
http://bugs.ghostscript.com/
Please attach the YaST test page and also the Ghostscript
command line which is run by the CUPS filtering system
so that the Ghostscript upstream authors have a chance
to reproduce the issue.
You find the Ghostscript command line which is run by
the CUPS filtering system in the CUPS debug messages, see
"Get CUPS debug messages if it does not work" in
http://en.opensuse.org/SDB:CUPS_in_a_Nutshell
When you have "LogLevel debug" in /etc/cups/cupsd.conf
you can get the Ghostscript command lines using
# grep 'sDEVICE=' /var/log/cups/error_log
Many thanks in advance for your contribution!
It seems it depends on the Ghostscript output device
whether or not those regressions happen.
For example for me the YaST test page prints well on
my HP JaserJet 1220 b/w PostScript/PCL printer using
the Ghostscript output device "ljet4" and
the HPIJS driver wich uses the Ghostscript output device "ijs" and
the HPCUPS and Gutenprint drivers wich use the Ghostscript
output device "cups".
The interesting point is that for me it works even with the
Ghostscript output device "cups" but not for Reimar and Juergen
who also use the output device "cups" for their printer drivers
so that those regressions depend on something else.
I see wrong colors in the "Color Wheel" in the YaST test page
when I show it via the various Ghostscript output devices "x11..." using
--------------------------------------------------------------------------
for d in x11 x11alpha x11cmyk x11cmyk2 x11cmyk4 x11cmyk8 \
x11gray2 x11gray4 x11mono ; \
do echo $d ; \
gs -sDEVICE=$d -r50x50 \
-dBATCH /usr/share/YaST2/data/testprint.ps &>/dev/null ; \
done
--------------------------------------------------------------------------
(press [Enter] to go to the next one)
I see wrong colors in the "Color Wheel" for the Ghostscript
output devices "x11cmyk2" and "x11cmyk4".
Therefore it seems those regressions depend on the color model
which is used by the particular Ghostscript output device.
I am not at all an expert in this area so that I cannot debug
such issues in Ghostscript.
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