[Bug 921555] Re: Plasma panel and menu don't follow font hinting
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Thu May 17 07:32:16 UTC 2012
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On 2009-04-25T15:54:25+00:00 alecs1 wrote:
Version: (using KDE 4.2.2)
Installed from: Debian testing/unstable Packages
Plasma applets and kwin Decoration feature sub-pixel hinting, altough it
is not explicitly enabled in systemsettings.
So i would like to be able to enable only simple antialias, without sub pixel hinting.
The attached pictures show the difference.
Reply at: https://bugs.launchpad.net/kdebase-
workspace/+bug/921555/comments/0
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On 2009-04-25T15:56:24+00:00 alecs1 wrote:
Created attachment 33091
Plasma and kwin colour fringes
Notice that the taskbar has colour fringes, the decoration too, but the
inside of Kate window does not.
Reply at: https://bugs.launchpad.net/kdebase-
workspace/+bug/921555/comments/1
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On 2009-04-25T15:58:07+00:00 alecs1 wrote:
Created attachment 33092
KWin menu and Kate
Notice that the decoration menu (Alt+F3) has colour fringes, while Kate
menu does not. You may need to magnify the image.
Reply at: https://bugs.launchpad.net/kdebase-
workspace/+bug/921555/comments/2
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On 2009-05-06T03:46:10+00:00 Jonathan Thomas wrote:
*** Bug 190905 has been marked as a duplicate of this bug. ***
Reply at: https://bugs.launchpad.net/kdebase-
workspace/+bug/921555/comments/3
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On 2009-05-25T09:53:31+00:00 aseigo wrote:
*** Bug 194000 has been marked as a duplicate of this bug. ***
Reply at: https://bugs.launchpad.net/kdebase-
workspace/+bug/921555/comments/4
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On 2009-07-02T02:04:39+00:00 Handzisk wrote:
Created attachment 34984
Blue fringes in the window title, while menu is OK
I can confirm the bug on KDE 4.2.4 on Fedora 11. The subpixel rendering
is disabled on the system but the window title shows very nasty blue
fringe. The menu text is correct, using only grayscale.
Reply at: https://bugs.launchpad.net/kdebase-
workspace/+bug/921555/comments/5
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On 2009-07-02T17:16:41+00:00 Christoph-maxiom wrote:
This may be a bug in Qt that forces subpixel hinting for ARGB windows.
Could you test application "Konsole" and report your findings?
Reply at: https://bugs.launchpad.net/kdebase-
workspace/+bug/921555/comments/6
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On 2009-07-03T09:51:07+00:00 Vpiotr wrote:
Created attachment 35011
konsole test
Tested with konsole, see attachment:
* image on the left - subpixel rendering switched off
* image on the right - subpixel rendering set to RGB in system settings
Environment:
Qt: 4.5.2
KDE: 4.2.4
Konsole: 2.2.3
X.Org X Server 1.5.3
X.Org opensource ati driver 6.12.1 (with RV280 [Radeon 9200 PRO])
Additional note:
I don't experience this issue on a machine with the same set of software
but running on NVidia GeForce 6600 with nvidia binary driver
Reply at: https://bugs.launchpad.net/kdebase-
workspace/+bug/921555/comments/7
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On 2009-11-09T18:08:49+00:00 Taras Puchko wrote:
On Kubuntu 9.10 with KDE 4.3.2, the same is on Fedora 21 beta:
1. Sub-pixel rendering enabled and the air theme selected: black text on
gray taskbar is using grayscale rendering.
2. Sub-pixel rendering disabled and the oxygen theme selected: white
text on dark taskbar is using sub-pixel rendering.
Reply at: https://bugs.launchpad.net/kdebase-
workspace/+bug/921555/comments/8
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On 2010-01-02T15:21:26+00:00 Holymeloon wrote:
I could reproduce this bug using KDE SC 4.3.4 and Qt 4.5.3
Reply at: https://bugs.launchpad.net/kdebase-
workspace/+bug/921555/comments/9
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On 2010-01-02T15:43:33+00:00 Christoph-maxiom wrote:
A few days ago I tried screen rotation with xrandr. Since this will
change RGB subpixel order, I changed from RGB to BGR in systemsettings.
However, newly started applications did not pick up that change. Then I
changed it back to RGB, and suddenly, newly started applications
appeared in BGR! Changing back to BGR made them appear in RGB again.
When I hit "Apply" without changing anything, then the "nothing changed"
is still picked up, and applications start with the last set mode.
So in total, it looks like there is some caching done inside fontconfig,
which makes it respect settings delayed. It could be an upstream issue.
Reply at: https://bugs.launchpad.net/kdebase-
workspace/+bug/921555/comments/10
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On 2010-01-02T15:47:04+00:00 Christoph-maxiom wrote:
Additional notes: This would also explain differing font sizes in KWin
with respect to other applications. When settings are applied delayed,
KWin as the first application that uses fonts might get different
settings than all other applications started later. I remember there was
a bug report, but cannot remember right now.
Reply at: https://bugs.launchpad.net/kdebase-
workspace/+bug/921555/comments/11
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On 2010-01-13T14:03:16+00:00 Christoph-maxiom wrote:
I was referring to bug 179962.
Reply at: https://bugs.launchpad.net/kdebase-
workspace/+bug/921555/comments/12
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On 2010-03-02T10:41:31+00:00 Andrey Cherepanov wrote:
*** This bug has been confirmed by popular vote. ***
Reply at: https://bugs.launchpad.net/kdebase-
workspace/+bug/921555/comments/13
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On 2010-06-07T01:17:09+00:00 Neoclust-kde wrote:
Can you reproduce using KDE 4.4.4 or 4.5beta?
Reply at: https://bugs.launchpad.net/kdebase-
workspace/+bug/921555/comments/14
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On 2010-06-07T16:06:52+00:00 Taras Puchko wrote:
Created attachment 47783
KDE 4.4.4 - menu & task manager - air_subpixel
Reply at: https://bugs.launchpad.net/kdebase-
workspace/+bug/921555/comments/15
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On 2010-06-07T16:07:57+00:00 Taras Puchko wrote:
Created attachment 47784
KDE 4.4.4 - menu & task manager - air_grayscale
Reply at: https://bugs.launchpad.net/kdebase-
workspace/+bug/921555/comments/16
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On 2010-06-07T16:08:55+00:00 Taras Puchko wrote:
Created attachment 47786
KDE 4.4.4 - menu & task manager - oxygen_subpixel
Reply at: https://bugs.launchpad.net/kdebase-
workspace/+bug/921555/comments/17
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On 2010-06-07T16:09:39+00:00 Taras Puchko wrote:
Created attachment 47787
KDE 4.4.4 - menu & task manager - oxygen_grayscale
Reply at: https://bugs.launchpad.net/kdebase-
workspace/+bug/921555/comments/18
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On 2010-06-07T16:10:29+00:00 Taras Puchko wrote:
I'm running KDE 4.4.4 on Kubuntu 10.4 with Intel graphics.
I've attached 4 screenshots of the bottom left corner of the screen: air_subpixel.png, air_grayscale.png, oxygen_subpixel.png, and oxygen_grayscale.png.
There you can see an application launcher menu, a task manager and a part of a running application (Krusader).
The application (text "F4 Edit") is always rendered correctly according to the subpixel settings.
The menu does not depend on the settings - the application descriptions are always grayscale and everything else is subpixel-antialiased.
The task manager antialiasing depends on the current theme - it's grayscale on Air and subpixel-antialiased on Oxygen.
Reply at: https://bugs.launchpad.net/kdebase-
workspace/+bug/921555/comments/19
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On 2011-01-02T11:53:46+00:00 rs wrote:
On my system (KDE 4.5.4, Qt 4.7.1, Oxygen theme, subpixel rendering
enabled, infinality subpixel patchset) I also observed that all ARGB
related texts (i.e. those from plasma desktop in taskbar/desktop
widgets) only had grayscale AA, but no subpixel AA.
After the assumption regarding an ARGB related bug, played a bit with
ARGB test code. It looked as if the raster backend has difficulties with
subpixel rendered texts. After changing Qt to the old native backend,
all fonts were rendered correctly on my KDE desktop!
- Do you have the new Qt raster backend enabled?
- Can you please revert to the old native backend, for testing?
My guess is all of this is related to the raster backend. This ticket might have to do with it:
http://bugreports.qt.nokia.com/browse/QTBUG-11268
Reply at: https://bugs.launchpad.net/kdebase-
workspace/+bug/921555/comments/20
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On 2011-01-21T00:58:25+00:00 Christoph-maxiom wrote:
Re comment #19 and comment #20:
What you are seeing is indeed a problem of the way text is rendered in
Plasma. Some text (for example in the taskbar) is first rendered to an
image to apply shadow and halo effects on it. Since with an image you do
not know where it is displayed, and Qt cannot apply sub pixel hinting to
text.
This bug, however, is about a completely unrelated issue. The first
application(s) that uses text (usually the Plasma Workspace or KWin)
completely ignores font related settings from .fonts.conf file, such as
anti aliasing settings or font sizes. As the title says, it is therefor
even possible that those applications _have_ sub pixel hinting enabled,
while it is disabled in System Settings. I still think it is an upstream
bug, see comment #10.
Reply at: https://bugs.launchpad.net/kdebase-
workspace/+bug/921555/comments/21
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On 2011-12-06T18:18:39+00:00 Yasuna wrote:
I can confirm this in kde 4.6.5..
The inside of the application windows seem to honor the setting..
But every thing else plasma-related seems to have sub-pixel enabled, even though I have it disabled, and it looks ugly.. For example, the title-bar texts, and any menu related to plasma, like if I right-click on the desktop background, or task bar or system tray icons etc..
Weirdly, I think this only started happening now that I switched to the
open-source radeon driver.. I was using nvidia proprietary for a while,
and then I switched to an ATI card and started using fglrx......And
finally, today I switched to the open-source radeon driver, and I am
almost completely positive that this issue didn't happen on non-free
nvidia, or the fglrx, but only after I started using radeon driver..
Otherwise I would have looked this bug up before today because sub-pixel
hinting is very obvious (and very ugly) to me..
Reply at: https://bugs.launchpad.net/kdebase-
workspace/+bug/921555/comments/22
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On 2012-05-16T18:56:26+00:00 Yasuna wrote:
I am now on KDE 4.7.4 and this issue still remains for me for plasma-related stuff.. (I am also still using open-source radeon driver, not sure if that has any thing to do with it or not..)
I am using debian testing..
Reply at: https://bugs.launchpad.net/kdebase-
workspace/+bug/921555/comments/26
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Plasma panel and menu don't follow font hinting
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