[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94737

Buovjaga  changed:

   What|Removed |Added

 Resolution|--- |WORKSFORME
 Status|NEW |RESOLVED
   Keywords|bibisectRequest |

--- Comment #35 from Buovjaga  ---
(In reply to S. from comment #14)
> Created attachment 119296 [details]
> 4.4.5 85% good rendering PNG

I now get this result with master. Tried gen & gtk2 backends in addition to
gtk3 just in case it would make a difference.

Closing as WFM.

Arch Linux 64-bit
Version: 6.2.0.0.alpha0+
Build ID: bd394492c165d27c96a44495d9ca694a242acb8f
CPU threads: 8; OS: Linux 4.17; UI render: default; VCL: gtk3; 
Locale: fi-FI (fi_FI.UTF-8); Calc: group threaded
Built on July 11th 2018

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[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94737

--- Comment #34 from QA Administrators  ---
** Please read this message in its entirety before responding **

To make sure we're focusing on the bugs that affect our users today,
LibreOffice QA is asking bug reporters and confirmers to retest open, confirmed
bugs which have not been touched for over a year.

There have been thousands of bug fixes and commits since anyone checked on this
bug report. During that time, it's possible that the bug has been fixed, or the
details of the problem have changed. We'd really appreciate your help in
getting confirmation that the bug is still present.

If you have time, please do the following:

Test to see if the bug is still present with the latest version of LibreOffice
from https://www.libreoffice.org/download/

If the bug is present, please leave a comment that includes the information
from Help - About LibreOffice.

If the bug is NOT present, please set the bug's Status field to
RESOLVED-WORKSFORME and leave a comment that includes the information from Help
- About LibreOffice.

Please DO NOT

Update the version field
Reply via email (please reply directly on the bug tracker)
Set the bug's Status field to RESOLVED - FIXED (this status has a particular
meaning that is not 
appropriate in this case)


If you want to do more to help you can test to see if your issue is a
REGRESSION. To do so:
1. Download and install oldest version of LibreOffice (usually 3.3 unless your
bug pertains to a feature added after 3.3) from
http://downloadarchive.documentfoundation.org/libreoffice/old/

2. Test your bug
3. Leave a comment with your results.
4a. If the bug was present with 3.3 - set version to 'inherited from OOo';
4b. If the bug was not present in 3.3 - add 'regression' to keyword


Feel free to come ask questions or to say hello in our QA chat:
https://kiwiirc.com/nextclient/irc.freenode.net/#libreoffice-qa

Thank you for helping us make LibreOffice even better for everyone!

Warm Regards,
QA Team

MassPing-UntouchedBug

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[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94737

Buovjaga  changed:

   What|Removed |Added

 Status|RESOLVED|NEW
 Resolution|WORKSFORME  |---

--- Comment #33 from Buovjaga  ---
I'm still seeing this. Note that this is not restricted to Arch: in 2015 I
reproduced with Ubuntu.
If I double-click in a cell with the bad kerning and then defocus, it gets
correct. Save & reload brings the badness back.

Arch Linux 64-bit, KDE Plasma 5
Version: 5.5.0.0.alpha0+
Build ID: 6b5fc059543c16759abd5eec2576b5b68e96883a
CPU threads: 8; OS: Linux 4.10; UI render: default; VCL: kde4; 
Locale: fi-FI (fi_FI.UTF-8); Calc: group
Built on May 21st 2017

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[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94737

S.  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |WORKSFORME

--- Comment #32 from S.  ---
I now use LibreOffice 5.3 on openSUSE Tumbleweed, and this bug doesn't appear
to be present, so I'm marking it as fixed. But if any Arch/Manjaro users are
still seeing this problem feel free to jump in.

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[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94737

--- Comment #31 from QA Administrators  ---
** Please read this message in its entirety before responding **

To make sure we're focusing on the bugs that affect our users today,
LibreOffice QA is asking bug reporters and confirmers to retest open, confirmed
bugs which have not been touched for over a year.

There have been thousands of bug fixes and commits since anyone checked on this
bug report. During that time, it's possible that the bug has been fixed, or the
details of the problem have changed. We'd really appreciate your help in
getting confirmation that the bug is still present.

If you have time, please do the following:

Test to see if the bug is still present on a currently supported version of
LibreOffice 
(5.2.7 or 5.3.3  https://www.libreoffice.org/download/

If the bug is present, please leave a comment that includes the version of
LibreOffice and 
your operating system, and any changes you see in the bug behavior

If the bug is NOT present, please set the bug's Status field to
RESOLVED-WORKSFORME and leave 
a short comment that includes your version of LibreOffice and Operating System

Please DO NOT

Update the version field
Reply via email (please reply directly on the bug tracker)
Set the bug's Status field to RESOLVED - FIXED (this status has a particular
meaning that is not 
appropriate in this case)


If you want to do more to help you can test to see if your issue is a
REGRESSION. To do so:
1. Download and install oldest version of LibreOffice (usually 3.3 unless your
bug pertains to a feature added after 3.3)

http://downloadarchive.documentfoundation.org/libreoffice/old/

2. Test your bug
3. Leave a comment with your results.
4a. If the bug was present with 3.3 - set version to "inherited from OOo";
4b. If the bug was not present in 3.3 - add "regression" to keyword


Feel free to come ask questions or to say hello in our QA chat:
http://webchat.freenode.net/?channels=libreoffice-qa

Thank you for helping us make LibreOffice even better for everyone!

Warm Regards,
QA Team

MassPing-UntouchedBug-20170522

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[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94737

--- Comment #30 from Buovjaga  ---
I started bibisecting this, but the problem is already in 4.3 alpha (oldest of
44max repo). I did it under Ubuntu 16.04.

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[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94737

--- Comment #29 from Chris Sherlock  ---
S. - any chance you could bibisect this?

Unfortunately the tar file is massive, but it would help to pinpoint where
things started going wrong. 

https://wiki.documentfoundation.org/QA/Bibisect/Linux

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[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

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https://bugs.documentfoundation.org/show_bug.cgi?id=94737

--- Comment #28 from Chris Sherlock  ---
Beluga, S. - I'm running this in a VM that doesn't have GL acceleration and I'm
not seeing the problem you are evidentally seeing. I've tried with GTK, GTK3
and KDE, fonts look fine. 

Unfortunately I don't have access to a Linux system that can use accelerated
OpenGL graphics. 

Perhaps someone else could bibisect this one?

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[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

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https://bugs.documentfoundation.org/show_bug.cgi?id=94737

--- Comment #27 from S.  ---
Thanks a lot Chris for looking into this!

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[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

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https://bugs.documentfoundation.org/show_bug.cgi?id=94737

--- Comment #26 from Chris Sherlock  ---
Created attachment 122812
  --> https://bugs.documentfoundation.org/attachment.cgi?id=122812=edit
screenshot 110% zoom on master - Ubuntu Linux

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[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

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https://bugs.documentfoundation.org/show_bug.cgi?id=94737

--- Comment #25 from Chris Sherlock  ---
Created attachment 122811
  --> https://bugs.documentfoundation.org/attachment.cgi?id=122811=edit
screenshot 85% zoom on master - Ubuntu Linux

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[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

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https://bugs.documentfoundation.org/show_bug.cgi?id=94737

--- Comment #24 from Chris Sherlock  ---
Sorry this is taking so long, I'm having some bibisect problems.

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[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

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https://bugs.documentfoundation.org/show_bug.cgi?id=94737

--- Comment #23 from Chris Sherlock  ---
OK, I'm grabbing the bibisect tar file. Will see where this started to occur.

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[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

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https://bugs.documentfoundation.org/show_bug.cgi?id=94737

--- Comment #22 from Chris Sherlock  ---
OS X build on slightly old copy of master doesn't actually seem to be picking
up the Ubuntu font on my workstation... investigating.

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[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=94737

Beluga  changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
 CC||todven...@suomi24.fi
 Ever confirmed|0   |1
 Whiteboard||bibisectRequest
   Severity|normal  |minor

--- Comment #18 from Beluga  ---
Repro on Kubuntu 15.04 64-bit, LibO 5.0.2.2 (KDE integration).
I get the ugly result with 85% zoom no matter what vcl export I use.

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[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

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https://bugs.documentfoundation.org/show_bug.cgi?id=94737

--- Comment #20 from Beluga  ---
(In reply to S. from comment #19)
> As for the importance of "minor" assigned to this bug, I think that for
> those of us who spend the entire day or even longer staring at a LibreOffice
> screen, lack of good font rendering is hardly a "minor" concern. :)

Here is the flowchart for determining those:
https://wiki.documentfoundation.org/images/0/06/Prioritizing_Bugs_Flowchart.jpg
In general it is quite hard to prioritize and determine severity. That is why
we restrict the fields from regular users.

We do need new QA people desperately as the report flow is not slowing down.
Please consider contributing:
https://wiki.documentfoundation.org/QA/Triage_For_Beginners

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[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

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https://bugs.documentfoundation.org/show_bug.cgi?id=94737

--- Comment #19 from S.  ---
As for the importance of "minor" assigned to this bug, I think that for those
of us who spend the entire day or even longer staring at a LibreOffice screen,
lack of good font rendering is hardly a "minor" concern. :)

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[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

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https://bugs.documentfoundation.org/show_bug.cgi?id=94737

--- Comment #17 from S.  ---
Even stranger, the font rendering seems to be affected by what interface LibO
is using. When I start LibreOffice like...

SAL_USE_VCLPLUGIN=gtk3 lowriter

... it produces the bad rendering I explained here.

But when I start it like...

SAL_USE_VCLPLUGIN=gtk lowriter

... the rendering is good, even in LibreOffice 5.0.

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[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

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https://bugs.documentfoundation.org/show_bug.cgi?id=94737

--- Comment #14 from S.  ---
Created attachment 119296
  --> https://bugs.documentfoundation.org/attachment.cgi?id=119296=edit
4.4.5 85% good rendering PNG

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[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

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--- Comment #15 from S.  ---
Created attachment 119297
  --> https://bugs.documentfoundation.org/attachment.cgi?id=119297=edit
4.4.5 90% good rendering PNG

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[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

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https://bugs.documentfoundation.org/show_bug.cgi?id=94737

--- Comment #16 from S.  ---
Created attachment 119298
  --> https://bugs.documentfoundation.org/attachment.cgi?id=119298=edit
4.4.5 110% good rendering PNG

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[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

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--- Comment #6 from S.  ---
Thanks. Intel i915 graphics.

I should mention that the bug is much more noticeable on the original document,
which of course contained other characters besides xxx :)

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[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

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--- Comment #7 from Adolfo Jayme  ---
JPEG screenshots are useless to look for artifacts.

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[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

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--- Comment #8 from S.  ---
Sorry for the screenshots, they were originally PNG then I cropped them and
accidentally saved them as JPG. But it's really quite obvious, the characters
than look "thicker" and lighter are correctly hinted, and the "thinner" lighter
letters are not correctly hinted.

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[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

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tommy27  changed:

   What|Removed |Added

   Keywords||regression
 CC||ba...@quipo.it
Summary|[LibO 5.x regression] Poor  |Poor subpixel rendering on
   |subpixel rendering on Linux |Linux

--- Comment #5 from tommy27  ---
edited summary notes and moved regression from summary to keywords

please tell the model of your graphic card as well

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[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

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--- Comment #9 from tommy27  ---
please post a PNG screenshot then

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[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

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--- Comment #10 from S.  ---
Created attachment 119288
  --> https://bugs.documentfoundation.org/attachment.cgi?id=119288=edit
fresh 85%

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--- Comment #12 from S.  ---
Created attachment 119290
  --> https://bugs.documentfoundation.org/attachment.cgi?id=119290=edit
fresh 100%

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--- Comment #11 from S.  ---
Created attachment 119289
  --> https://bugs.documentfoundation.org/attachment.cgi?id=119289=edit
fresh 95%

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[Libreoffice-bugs] [Bug 94737] Poor subpixel rendering on Linux

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--- Comment #13 from S.  ---
Created attachment 119291
  --> https://bugs.documentfoundation.org/attachment.cgi?id=119291=edit
fresh 110%

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