Bug 82930 - CJK: "TakaoPGothic" font disappears at some zoom factors in vertical text
Summary: CJK: "TakaoPGothic" font disappears at some zoom factors in vertical text
Status: RESOLVED WORKSFORME
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: Writer (show other bugs)
Version:
(earliest affected)
3.5.7.2 release
Hardware: Other Linux (All)
: medium normal
Assignee: Not Assigned
URL:
Whiteboard:
Keywords: preBibisect, regression
Depends on:
Blocks: CJK Vertical-Text
  Show dependency treegraph
 
Reported: 2014-08-22 02:25 UTC by Matthew Francis
Modified: 2024-07-25 13:13 UTC (History)
2 users (show)

See Also:
Crash report or crash signature:


Attachments
Video of bug (211.29 KB, video/mp4)
2014-08-22 02:26 UTC, Matthew Francis
Details
Sample document (9.17 KB, application/vnd.oasis.opendocument.text)
2014-08-22 02:26 UTC, Matthew Francis
Details

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Description Matthew Francis 2014-08-22 02:25:48 UTC
Observed on:
  Ubuntu 14.04 / LO master
  Fedora 20 / LO 4.2.6.2

(Fedora doesn't come with the Takao fonts, but they can be installed from
http://rpm.pbone.net/index.php3/stat/4/idpl/23803159/dir/fedora_19/com/takao-fonts-003.02.01-11.1.noarch.rpm.html )

At a zoom factor of 454-460%, 12 point TakaoPGothic vertical text disappears completely. See attached video and document


The state of vertical text in general isn't that great at the moment, so this could be another bug in that category, or just possibly something in fontconfig etc.
Comment 1 Matthew Francis 2014-08-22 02:26:24 UTC
Created attachment 105070 [details]
Video of bug
Comment 2 Matthew Francis 2014-08-22 02:26:57 UTC
Created attachment 105071 [details]
Sample document
Comment 3 Yousuf Philips (jay) (retired) 2014-09-06 12:31:39 UTC
Confirmed in 4.2.6 and master that at 454% the text is invisible. This is a regression as this doesnt happen in 3.3.0.
Comment 4 Matthew Francis 2015-02-13 07:36:11 UTC
This is a regression before the start of the 43all bibiset repository - setting Whiteboard:preBibisect
Comment 5 Robinson Tryon (qubit) 2015-12-14 05:40:02 UTC Comment hidden (obsolete)
Comment 6 QA Administrators 2017-01-03 19:49:03 UTC Comment hidden (obsolete)
Comment 7 QA Administrators 2019-12-03 14:19:44 UTC Comment hidden (obsolete)
Comment 8 QA Administrators 2021-12-03 04:32:05 UTC Comment hidden (obsolete)
Comment 9 QA Administrators 2023-12-04 03:16:27 UTC Comment hidden (obsolete)
Comment 10 Jonathan Clark 2024-07-25 13:13:59 UTC
I tried to reproduce this issue with 24.2.5.2, but was unable to do so.

There have been many changes to text rendering since this bug was originally filed. It's likely this issue has been fixed by another change. I'm therefore closing this bug as WORKSFORME.