Bug 113290 - RTL: Animations that work letter-by-letter dont show diacritics during animation
Summary: RTL: Animations that work letter-by-letter dont show diacritics during animation
Status: NEW
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: Impress (show other bugs)
Version:
(earliest affected)
Inherited From OOo
Hardware: All All
: medium normal
Assignee: Not Assigned
URL:
Whiteboard:
Keywords:
Depends on:
Blocks: RTL-CTL Object-Animations
  Show dependency tree / graph
 
Reported: 2017-10-20 13:24 UTC by Yousuf Philips (jay) (retired)
Modified: 2021-07-02 07:54 UTC (History)
2 users (show)

See Also:
Crash report or crash signature:

Attachments
sample (18.06 KB, application/vnd.oasis.opendocument.presentation)
2017-10-20 13:25 UTC, Yousuf Philips (jay) (retired) 		Details
sample including latin script (17.33 KB, application/vnd.oasis.opendocument.presentation)
2017-10-21 09:13 UTC, Shai Berger 		Details
View All Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Yousuf Philips (jay) (retired) 2017-10-20 13:24:46 UTC 
steps:
1. open attachment
2. notice the arabic diacritics in title text textbox (slanted line the first letter from the right and the circle over the second letter from the right)
3. notice the hebrew diacritics in text frame textbox (the dot in the center of the first letter from the right, that looks like an n)
3. start slide show
4. notice that the letters appear without these diacritics

Version: 6.0.0.0.alpha1+
Build ID: 143c482b3189cb084fbdf5e6f78f15b43f099e24
CPU threads: 2; OS: Linux 4.4; UI render: default; VCL: gtk2; 
Locale: en-US (en_US.UTF-8); Calc: group
Comment 1 Yousuf Philips (jay) (retired) 2017-10-20 13:25:32 UTC 
Created attachment 137142 [details]
sample
Comment 2 Shai Berger 2017-10-21 09:11:58 UTC 
Notes: 

A) When I test it, the letters do have the diacritics in the end -- it's only during the animation that they're missing them. This is in line with the bug title, just not completely clear in the description.

B) At least on my version, the diacritics are missing during the animation also for Latin script (attachment forthcoming -- note the double dots, dieresis, above 'G' and 'e') so this bug may not be an RTL-specific issue

C) However, what is RTL specific is that during the animation, the letters are ordered LTR. It's a bit of on oddity in Hewbrew where letters are not connected, I believe it's quite a mess in connected scripts like Arabic.




Version: 5.4.1.2.0+
Build ID: 1:5.4.1-1
CPU threads: 4; OS: Linux 4.13; UI render: default; VCL: gtk3; 
Locale: en-US (en_IL.UTF-8); Calc: group
Comment 3 Shai Berger 2017-10-21 09:13:42 UTC 
Created attachment 137180 [details]
sample including latin script
Comment 4 Yousuf Philips (jay) (retired) 2017-10-21 21:09:36 UTC 
(In reply to Shai Berger from comment #2)
> B) At least on my version, the diacritics are missing during the animation
> also for Latin script (attachment forthcoming -- note the double dots,
> dieresis, above 'G' and 'e') so this bug may not be an RTL-specific issue

I wouldnt really call those diacritics for latin, as when i tested characters like ë (U+EB) from U+C0 to U+2AF, they worked just fine.

> C) However, what is RTL specific is that during the animation, the letters
> are ordered LTR. It's a bit of on oddity in Hewbrew where letters are not
> connected, I believe it's quite a mess in connected scripts like Arabic.

Yes that is already reported in bug 55361.
Comment 5 Shai Berger 2017-11-02 08:02:59 UTC 
(In reply to Yousuf Philips (jay) from comment #4)
> (In reply to Shai Berger from comment #2)
> > B) At least on my version, the diacritics are missing during the animation
> > also for Latin script (attachment forthcoming -- note the double dots,
> > dieresis, above 'G' and 'e') so this bug may not be an RTL-specific issue
> 
> I wouldnt really call those diacritics for latin, as when i tested
> characters like ë (U+EB) from U+C0 to U+2AF, they worked just fine.
> 

There are two ways to represent such letters: You can use the "combined" code point, like U+EB, or you can use the separate code points for a letter and the dieresis (U+A8). As far as I recall, combined code points exist for vowels only, so you couldn't write the G with dieresis this way.

RTL languages happen to have much more diverse use of diacritics than Latin scripts, but the document I attached proves that the problem is not actually RTL related. I believe you'll find Thai, which also uses combining characters heavily, to have the same problem although it's LTR.
Comment 6 Omer Zak 2017-11-15 08:21:10 UTC 
Still happens in:

Version: 6.0.0.0.alpha1+
Build ID: 9050854c35c389466923f0224a36572d36cd471a
CPU threads: 8; OS: Linux 4.9; UI render: default; VCL: gtk3; 
Locale: en-US (en_US.utf8); Calc: group

OS: Debian 64bit Stretch (Debian 9.2, with some backported packages)
Comment 7 QA Administrators 2018-11-16 03:42:57 UTC Comment hidden (obsolete)
Comment 8 Shai Berger 2018-12-08 22:22:32 UTC 
Version: 6.1.3.2
Build ID: 1:6.1.3-1
CPU threads: 4; OS: Linux 4.18; UI render: default; VCL: gtk3_kde5; 
Locale: en-US (en_IL.UTF-8); Calc: group threaded

(Not sure it's quite the last version, but it's what I have -- it's the current version on Debian testing)

Still happens as described. One more thing I noted now,  which I don't see in the descriptions:

Before starting the animation, note in the Arabic text, the diacritic of the letter Meem (a slanted line under the left end of the right-side word). Now start slide show. When the animation ends, other diacritics show up, but this one does not.
Comment 9 QA Administrators 2019-12-09 03:39:08 UTC Comment hidden (obsolete)
Comment 10 Buovjaga 2020-11-17 18:52:49 UTC 
Still repro

Arch Linux 64-bit
Version: 7.1.0.0.alpha1+
Build ID: bd3aeaefff5e7bdef10c4702d1f388083557614e
CPU threads: 8; OS: Linux 5.9; UI render: default; VCL: kf5
Locale: fi-FI (fi_FI.UTF-8); UI: en-US
Calc: threaded
Built on 15 November 2020
Comment 11 tomber 2021-07-02 07:54:24 UTC Comment hidden (spam)