[Bug 334657] Re: Subpixel/Lcd mode with VRGB/VBGR makes qt4 applications on Jaunty unreadable
Jonathan Thomas
echidnaman at kubuntu.org
Wed Apr 29 17:46:44 UTC 2009
** Description changed:
- I have rare fonts in some programs like smplayer, ktorrent and amarok. I
- have a fresh install of Jaunty 9.04.
+ *Below added by Jonathan Thomas*
+ Stable Release Update (SRU) infos:
+ -Impact: Many Gnome users who have VRGB or VBGR hinting enabled will be hit with completely corrupted fonts in Qt apps
+ -Addressed by: This bug has been addressed by adding a patch from OpenSuse that disables the new, buggy font filter and falls back to the old method.
+ -Testcase: In Gnome, open System>Preferences>Appearance>Fonts. Choose vertical RGB or BGR LCD hinting. Qt applications using this fonting scheme will now sport corrupted fonts.
+ -Patch/regression potential: None. Fonts are completely broken otherwise, so falling back to the old hinting method can't make it any worse. A proper fix has been made in Qt 4.5.1, but we are not ready to backport that version at this time.
+ #######################################################################
+ I have corrupted fonts in some programs like smplayer, ktorrent and amarok. I have a fresh install of Jaunty 9.04.
I've attached some screenshots of the problem.
[update from Caspar Clemens Mierau / damokles]
This bug is about a problem with using Gnome's lcd/subpixel mode in
System>Preferences>Appearance>Fonts. When this is enabled in conjunction
with VRGB or VBGR, qt4 applications are not readable any more. Please
note, that you need to close all qt4 applications before changing this,
so the change gets applied to next opened qt4 application.
--
Subpixel/Lcd mode with VRGB/VBGR makes qt4 applications on Jaunty unreadable
https://bugs.launchpad.net/bugs/334657
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