[Libreoffice-bugs] [Bug 101599] [EDITING] Inserting certain Unicode combining characters causes text in paragraph to appear corrupted , when using OpenGL

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=101599

Buovjaga  changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |FIXED

--- Comment #15 from Buovjaga  ---
Let's close as fixed.

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[Libreoffice-bugs] [Bug 101599] [EDITING] Inserting certain Unicode combining characters causes text in paragraph to appear corrupted , when using OpenGL

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=101599

Aron Budea  changed:

   What|Removed |Added

   See Also||https://bugs.documentfounda
   ||tion.org/show_bug.cgi?id=10
   ||4212
 Blocks|103729  |
 Depends on||89870

--- Comment #14 from Aron Budea  ---
I opened bug 104212 as advised.
Can this be closed, as the original issue is gone with the new layout engine?


Referenced Bugs:

https://bugs.documentfoundation.org/show_bug.cgi?id=89870
[Bug 89870] Unify text layout to use HarfBuzz on all platforms
https://bugs.documentfoundation.org/show_bug.cgi?id=103729
[Bug 103729] [META] tracker HarfBuzz common text layout regressions
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[Libreoffice-bugs] [Bug 101599] [EDITING] Inserting certain Unicode combining characters causes text in paragraph to appear corrupted , when using OpenGL

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=101599

--- Comment #13 from Khaled Hosny  ---
The second line is:
Everything is fine, until I combin \u20dd\u0364.

U+20DD is a combining circle, and U+0364 is a combining superscript e. So
seeing a circle there is expect, but it looks misplaced in your screenshot.
Either way, I don’t see what is the regression here if pre-HarfBuzz was
completely broken, at best this is a new bug, and not likely related to the
original one.

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[Libreoffice-bugs] [Bug 101599] [EDITING] Inserting certain Unicode combining characters causes text in paragraph to appear corrupted , when using OpenGL

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=101599

--- Comment #12 from Aron Budea  ---
Now I wonder what the difference in the sample is, and why that doesn't work.

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[Libreoffice-bugs] [Bug 101599] [EDITING] Inserting certain Unicode combining characters causes text in paragraph to appear corrupted , when using OpenGL

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=101599

V Stuart Foote  changed:

   What|Removed |Added

 CC||vstuart.fo...@utsa.edu

--- Comment #11 from V Stuart Foote  ---
On Windows builds, with recent master and new HarfBuzz based text layout, I do
not see this effect of the combining character.

Version: 5.3.0.0.alpha1+
Build ID: 0f3861e65d8e652dcc31cf9a2f2b5c1a0a73b86d
CPU Threads: 8; OS Version: Windows 6.2; UI Render: GL; Layout Engine: new; 
TinderBox: Win-x86@62-merge-TDF, Branch:MASTER, Time: 2016-11-19_23:33:29
Locale: en-US (en_US); Calc: CL

This sample text with Default style's Libreation Serif font...

Everything is fine, until I combine.
Everything is fine, until I combinU+0364.

The combined super script e appends to the n. No other glitch.

Same rendering with OpenGL or with default rendering.

But if I disable new HarfBuzz based text layout and revert to old DirectWrite
based layout I see the issue with OpenGL rendering (again not with default
GDI).


And on the 5.2.3 release with the old DirectWrite based layout and OpenGL
rendering I do see corruption. There also with default GDI rendering I do not.

Version: 5.2.3.3 (x64)
Build ID: d54a8868f08a7b39642414cf2c8ef2f228f780cf
CPU Threads: 8; OS Version: Windows 6.19; UI Render: GL; 
Locale: en-US (en_US); Calc: group

So, this only affects the DirectWrite based "old" layout of OpenGL rendering.

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[Libreoffice-bugs] [Bug 101599] [EDITING] Inserting certain Unicode combining characters causes text in paragraph to appear corrupted , when using OpenGL

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=101599

--- Comment #10 from Aron Budea  ---
With the common layout the issue exists both with and without OpenGL, and
appears somewhat similar to what it looks like in Linux (and has looked like
before, too), where there's a circle around the tiny, superscripted e.

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[Libreoffice-bugs] [Bug 101599] [EDITING] Inserting certain Unicode combining characters causes text in paragraph to appear corrupted , when using OpenGL

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=101599

--- Comment #9 from Aron Budea  ---
Created attachment 128979
  --> https://bugs.documentfoundation.org/attachment.cgi?id=128979=edit
Screenshot with both layout engines

Sure, here it is.

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[Libreoffice-bugs] [Bug 101599] [EDITING] Inserting certain Unicode combining characters causes text in paragraph to appear corrupted , when using OpenGL

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=101599

Khaled Hosny  changed:

   What|Removed |Added

 CC||khaledho...@eglug.org

--- Comment #8 from Khaled Hosny  ---
(In reply to Aron Budea from comment #7)
> It looks wrong in a different way in 5.3 with the common layout engine, so
> I'll be adding to HarfBuzz regressions metabug, even though it wasn't
> actually correct before.

Do you have a screenshot? I doubt there is anything layout engine-related here.

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[Libreoffice-bugs] [Bug 101599] [EDITING] Inserting certain Unicode combining characters causes text in paragraph to appear corrupted , when using OpenGL

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=101599

Aron Budea  changed:

   What|Removed |Added

  Component|Writer  |graphics stack

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[Libreoffice-bugs] [Bug 101599] [EDITING] Inserting certain Unicode combining characters causes text in paragraph to appear corrupted , when using OpenGL

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=101599

Aron Budea  changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
 Blocks||103729
 Ever confirmed|0   |1


Referenced Bugs:

https://bugs.documentfoundation.org/show_bug.cgi?id=103729
[Bug 103729] [META] tracker HarfBuzz common text layout regressions
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[Libreoffice-bugs] [Bug 101599] [EDITING] Inserting certain Unicode combining characters causes text in paragraph to appear corrupted , when using OpenGL

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=101599

Aron Budea  changed:

   What|Removed |Added

 CC||ba...@caesar.elte.hu

--- Comment #7 from Aron Budea  ---
Created attachment 128978
  --> https://bugs.documentfoundation.org/attachment.cgi?id=128978=edit
Test document with combined characters

Reproduced with 5.2.3.3 and 5.3 daily build / Windows 7.
I created a test document based on the description (replaced the last "e" in
the second line with the combining character).

It looks wrong in a different way in 5.3 with the common layout engine, so I'll
be adding to HarfBuzz regressions metabug, even though it wasn't actually
correct before.

Version: 5.3.0.0.alpha1+
Build ID: c03c77ef4f46b81cd000ea26c4ef154044322535
CPU Threads: 4; OS Version: Windows 6.1; UI Render: GL; Layout Engine: new; 
TinderBox: Win-x86@39, Branch:master, Time: 2016-11-17_00:29:08
Locale: hu-HU (hu_HU); Calc: CL

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[Libreoffice-bugs] [Bug 101599] [EDITING] Inserting certain Unicode combining characters causes text in paragraph to appear corrupted , when using OpenGL

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=101599

--- Comment #6 from Michael von Preußen  ---
DriverVersion: 10.18.13.6839
DriverDate: 6-2-2016
DeviceID: PCI\VEN_10DE_11C0_84221043_A1
AdapterVendorID: 0x10de
AdapterDeviceID: 0x11c0
AdapterSubsysID: 0x84221043
DeviceKey:
System\CurrentControlSet\Control\Video\{3D6DF5E8-3961-410D-84F3-B0858AFC8FDB}\
DeviceString: NVIDIA GeForce GTX 660

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[Libreoffice-bugs] [Bug 101599] [EDITING] Inserting certain Unicode combining characters causes text in paragraph to appear corrupted , when using OpenGL

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=101599

Buovjaga  changed:

   What|Removed |Added

   See Also||https://bugs.documentfounda
   ||tion.org/show_bug.cgi?id=96
   ||266
 Blocks||93529
Summary|[EDITING] Inserting certain |[EDITING] Inserting certain
   |Unicode combining   |Unicode combining
   |characters causes text in   |characters causes text in
   |paragraph to appear |paragraph to appear
   |corrupted.  |corrupted, when using
   ||OpenGL


Referenced Bugs:

https://bugs.documentfoundation.org/show_bug.cgi?id=93529
[Bug 93529] [META] VCL/OpenGL tracker bug for 5.0+
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[Libreoffice-bugs] [Bug 101599] [EDITING] Inserting certain Unicode combining characters causes text in paragraph to appear corrupted.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=101599

--- Comment #5 from Buovjaga  ---
Great! It is clearly still a bug, we don't want to sweep it under the rug.
Now we can look for duplicates.

Meanwhile, you could open this file in a text editor and copy & paste the
contents to a comment:
C:\Users\User\AppData\Roaming\LibreOffice\4\cache\opengl_device.log
Then developers can see, what graphics card and driver you use.

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[Libreoffice-bugs] [Bug 101599] [EDITING] Inserting certain Unicode combining characters causes text in paragraph to appear corrupted.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=101599

--- Comment #4 from Michael von Preußen  ---
Well here's a bizarre twist: when I opened LibreOffice to give this a shot, the
bug was not present, and upon looking at Option > View, I saw that the OpenGL
option was, in fact, unchecked, and About LibreOffice now showed 'Render:
default.'

I have no idea why this setting magically changed as though in anticipation of
your suggestion, but reenabling it caused the bug to reappear, so OpenGL would
indeed appear to be the culprit.

I'm not sure how this should impact the status of the bug, so I'm leaving it
UNCONFIRMED for now.

Thank you very much for the assistance!

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[Libreoffice-bugs] [Bug 101599] [EDITING] Inserting certain Unicode combining characters causes text in paragraph to appear corrupted.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=101599

--- Comment #3 from Buovjaga  ---
(In reply to Michael von Preußen from comment #2)
> Version: 5.2.1.2
> Build ID: 31dd62db80d4e60af04904455ec9c9219178d620
> CPU Threads: 4; OS Version: Windows 6.2; UI Render: GL; 
> Locale: en-US (en_US); Calc: group

Thanks! I see you have Render: GL :)

What if you disable this setting:
Tools - Options - LibreOffice - View - Use OpenGL for all rendering

(and restart LibreOffice) Does it make the problem go away?

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[Libreoffice-bugs] [Bug 101599] [EDITING] Inserting certain Unicode combining characters causes text in paragraph to appear corrupted.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=101599

Michael von Preußen  changed:

   What|Removed |Added

 Status|NEEDINFO|UNCONFIRMED
 Ever confirmed|1   |0

--- Comment #2 from Michael von Preußen  ---
Version: 5.2.1.2
Build ID: 31dd62db80d4e60af04904455ec9c9219178d620
CPU Threads: 4; OS Version: Windows 6.2; UI Render: GL; 
Locale: en-US (en_US); Calc: group



I initially encountered the bug in version 5.2.0.4 (which is what I filed this
bug under); it has persisted with my upgrade to version 5.2.1.2.

I am adjusting the status back to UNCONFIRMED per the recommendation.

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[Libreoffice-bugs] [Bug 101599] [EDITING] Inserting certain Unicode combining characters causes text in paragraph to appear corrupted.

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=101599

Buovjaga  changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEEDINFO
 CC||todven...@suomi24.fi
 Ever confirmed|0   |1

--- Comment #1 from Buovjaga  ---
Can you copy and paste to a comment the contents of your Help - About
LibreOffice?

Set to NEEDINFO.
Change back to UNCONFIRMED after you have provided the information.

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