[Libreoffice-bugs] [Bug 96266] Combining Diacritics will not stack when open file (arial)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=96266

Khaled Hosny  changed:

   What|Removed |Added

 Whiteboard||target:5.3.0

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[Libreoffice-bugs] [Bug 96266] Combining Diacritics will not stack when open file (arial)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=96266
Bug 96266 depends on bug 89870, which changed state.

Bug 89870 Summary: Unify text layout to use HarfBuzz on all platforms
https://bugs.documentfoundation.org/show_bug.cgi?id=89870

   What|Removed |Added

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

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[Libreoffice-bugs] [Bug 96266] Combining Diacritics will not stack when open file (arial)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=96266
Bug 96266 depends on bug 89870, which changed state.

Bug 89870 Summary: [META] HarfBuzz common text layout implementation tracker
https://bugs.documentfoundation.org/show_bug.cgi?id=89870

   What|Removed |Added

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

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[Libreoffice-bugs] [Bug 96266] Combining Diacritics will not stack when open file (arial)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=96266

Khaled Hosny  changed:

   What|Removed |Added

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

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[Libreoffice-bugs] [Bug 96266] Combining Diacritics will not stack when open file (arial)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=96266
Bug 96266 depends on bug 89870, which changed state.

Bug 89870 Summary: Unify text layout to use HarfBuzz on all platforms
https://bugs.documentfoundation.org/show_bug.cgi?id=89870

   What|Removed |Added

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

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[Libreoffice-bugs] [Bug 96266] Combining Diacritics will not stack when open file (arial)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=96266

Khaled Hosny  changed:

   What|Removed |Added

 Depends on||89870

--- Comment #15 from Khaled Hosny  ---
No handling mark stacking correctly on Windows is expected since we do not
currently do any OpenType layout for Latin script, and should be fixed with bug
89870.

The OpenGL bug seems to be completely unrelated and should be reported
seperately if not already.


Referenced Bugs:

https://bugs.documentfoundation.org/show_bug.cgi?id=89870
[Bug 89870] Unify text layout to use HarfBuzz on all platforms
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[Libreoffice-bugs] [Bug 96266] Combining Diacritics will not stack when open file (arial)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=96266

V Stuart Foote  changed:

   What|Removed |Added

 Status|NEEDINFO|NEW
 OS|All |Windows (All)

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[Libreoffice-bugs] [Bug 96266] Combining Diacritics will not stack when open file (arial)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=96266

--- Comment #14 from V Stuart Foote  ---
Created attachment 128084
  --> https://bugs.documentfoundation.org/attachment.cgi?id=128084=edit
combining diacritics on Windows -- with default Graphics

Going to call this Windows only. Handling the combined diacritics are really
ugly with OpenGL rendereing enabled in a recent build of 5.3.0 master. But also
with default graphics the combined diacritics do not stack--so some font layout
issues in both WinLayout and SimpleWinLayout.

See new clips of the sample test file--attachment 121043 with current 5.3.0
master.

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[Libreoffice-bugs] [Bug 96266] Combining Diacritics will not stack when open file (arial)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=96266

--- Comment #13 from V Stuart Foote  ---
Created attachment 128083
  --> https://bugs.documentfoundation.org/attachment.cgi?id=128083=edit
combining diacritics on Windows -- with OpenGL

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[Libreoffice-bugs] [Bug 96266] Combining Diacritics will not stack when open file (arial)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=96266

Khaled Hosny  changed:

   What|Removed |Added

 Status|NEW |NEEDINFO

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[Libreoffice-bugs] [Bug 96266] Combining Diacritics will not stack when open file (arial)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=96266

Khaled Hosny  changed:

   What|Removed |Added

 CC||khaledho...@eglug.org

--- Comment #12 from Khaled Hosny  ---
So again, is this a Windows or Linux bug or both? I can’t reproduce this on
Linux with or without OpenGL.

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[Libreoffice-bugs] [Bug 96266] Combining Diacritics will not stack when open file (arial)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=96266

Buovjaga  changed:

   What|Removed |Added

   See Also||https://bugs.documentfounda
   ||tion.org/show_bug.cgi?id=10
   ||1599

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[Libreoffice-bugs] [Bug 96266] Combining Diacritics will not stack when open file (arial)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=96266

V Stuart Foote  changed:

   What|Removed |Added

 OS|Linux (All) |All

--- Comment #11 from V Stuart Foote  ---
The OpenGL issue with "stacking" of glyphs does affect all OS.

On Windows with
Version: 5.2.0.0.alpha0+
Build ID: fe37d93a110cb9941c61fed0c71369a21a7d2765
CPU Threads: 8; OS Version: Windows 6.2; UI Render: GL; 
TinderBox: Win-x86@62-merge-TDF, Branch:MASTER, Time: 2015-12-30_23:13:15
Locale: en-US (en_US)

OpenGL issue remains.

With OpenGL enabled, the non-Graphite fonts (so the Uniscribe composition on
Windows) remains garbled when glyphs are combined. (Checked Arial and
Liberation Sans).  Disabling OpenGL permits the glyps to stack correctly.

Things have improved for the Graphite fonts, where stacking glyphs as combined
diacritics appear the same with or without OpenGL active--the stacking remains
incorrect in either mode, but they are now consistent and at the same scale.
(Checked Linux Biolinum G and Linux Libertine G).

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[Libreoffice-bugs] [Bug 96266] Combining Diacritics will not stack when open file (arial)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=96266

--- Comment #10 from martin_hos...@sil.org ---
There are two bugs here.

1. OpenGL causing diacritics to shift even for non-Graphite fonts.
2. Graphite on Windows having diacritics shift at zooms below something silly
due to a bug in GDI.

I suggest we make this bug be about the OpenGL problem. We're working on that
one and just need to get D2D to play ball.

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[Libreoffice-bugs] [Bug 96266] Combining Diacritics will not stack when open file (arial)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=96266

--- Comment #9 from V Stuart Foote  ---
Created attachment 121347
  --> https://bugs.documentfoundation.org/attachment.cgi?id=121347=edit
combining diacticits is correct on Windows Arial without OpenGL

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[Libreoffice-bugs] [Bug 96266] Combining Diacritics will not stack when open file (arial)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=96266

--- Comment #8 from V Stuart Foote  ---
Created attachment 121346
  --> https://bugs.documentfoundation.org/attachment.cgi?id=121346=edit
combining diacritics on Windows Arial not correct with OpenGL

@Tor,  no stacking/combining diacritics not work for Arial on Windows if OpenGL
is enabled.

See the two attachments I'm adding.  Arial is incorrect on Windows when OpenGL
enabled and one where Arial is correct on Windows when OpenGL is disabled.

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[Libreoffice-bugs] [Bug 96266] Combining Diacritics will not stack when open file (arial)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=96266

--- Comment #5 from Tor Lillqvist  ---
Graphite fonts don't go through the Uniscribe code path at all.

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[Libreoffice-bugs] [Bug 96266] Combining Diacritics will not stack when open file (arial)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=96266

--- Comment #6 from Tor Lillqvist  ---
So is this a Linux or Windows bug? Metadata says Linux, but comments talk about
Windows.

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[Libreoffice-bugs] [Bug 96266] Combining Diacritics will not stack when open file (arial)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=96266

--- Comment #7 from Tor Lillqvist  ---
I guess here it is best to disregard any talk about Windows and really treat
this as a Linux specific bug, as that is what the initial bug submission says.
It even says the corresponding thing works fine on Windows.

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[Libreoffice-bugs] [Bug 96266] Combining Diacritics will not stack when open file (arial)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=96266

V Stuart Foote  changed:

   What|Removed |Added

 Blocks||71732

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[Libreoffice-bugs] [Bug 96266] Combining Diacritics will not stack when open file (arial)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=96266

raal  changed:

   What|Removed |Added

 CC||r...@post.cz

--- Comment #1 from raal  ---
Created attachment 121044
  --> https://bugs.documentfoundation.org/attachment.cgi?id=121044=edit
correct

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[Libreoffice-bugs] [Bug 96266] Combining Diacritics will not stack when open file (arial)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=96266

raal  changed:

   What|Removed |Added

   Hardware|All |x86-64 (AMD64)
 OS|All |Linux (All)

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[Libreoffice-bugs] [Bug 96266] Combining Diacritics will not stack when open file (arial)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=96266

--- Comment #2 from raal  ---
Created attachment 121045
  --> https://bugs.documentfoundation.org/attachment.cgi?id=121045=edit
incorrect

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[Libreoffice-bugs] [Bug 96266] Combining Diacritics will not stack when open file (arial)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=96266

--- Comment #3 from raal  ---
Created attachment 121046
  --> https://bugs.documentfoundation.org/attachment.cgi?id=121046=edit
LO 3.5, linux

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[Libreoffice-bugs] [Bug 96266] Combining Diacritics will not stack when open file (arial)

[bugzilla-daemon]

https://bugs.documentfoundation.org/show_bug.cgi?id=96266

V Stuart Foote  changed:

   What|Removed |Added

 Status|UNCONFIRMED |NEW
 CC||vstuart.fo...@utsa.edu
 Blocks||93529
 Ever confirmed|0   |1

--- Comment #4 from V Stuart Foote  ---
Believe this mishandling of the Arial TTF is an OpenGL composition issue. 

Disable OpenGL and the Arial combined diacritics will stack. 

But, the Graphite based glyphs composed with Uniscribe on Windows are corrupt
even with OpenGL disabled. Unreadable when it is enabled.

=-=-=

On Windows 10 Pro, with nVidia GTX-750ti

Version: 5.2.0.0.alpha0+
Build ID: f34b4844473d08c0c264ba4453a875e32f5c326b
Threads 8; Ver: Windows 6.19; Render: default; 

TinderBox: Win-x86@39, Branch:master, Time: 2015-12-01_06:36:58
Locale: en-US (en_US)

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