Bug 56932 - (Writer) While scrolling text is distorted and some parts of the glyphs are horizontally split/disappearing
Summary: (Writer) While scrolling text is distorted and some parts of the glyphs are h...
Status: NEW
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: Writer (show other bugs)
Version: unspecified
Hardware: All Mac OS X (All)
: high normal
Assignee: Not Assigned
QA Contact: Jorendc
URL:
Whiteboard:
Keywords:
Depends on: 42000 coretext 60267
Blocks: 42082 71732 41990
  Show dependency tree / graph
 
Reported: 2012-11-09 19:52 UTC by Emir Sarı (away)
Modified: 2014-12-22 21:14 UTC (History)
5 users (show)

See Also:
i915 platform:
i915 features:

Attachments
sample text (11.82 KB, image/png)
2012-11-09 19:52 UTC, Emir Sarı (away) 		Details
Liberation serif bold rendering issue (7.88 KB, image/png)
2012-11-11 19:28 UTC, Emir Sarı (away) 		Details
another rendering problem (10.91 KB, image/png)
2012-11-12 19:59 UTC, Emir Sarı (away) 		Details
Text rendering sample from v4.0.3.3 (192.57 KB, image/jpeg)
2013-06-04 18:52 UTC, Handyman 		Details
Text rendering sample from v4.1.0.0 beta 1 (234.37 KB, image/jpeg)
2013-06-04 18:53 UTC, Handyman 		Details
View All

Description Emir Sarı (away) 2012-11-09 19:52:02 UTC 
Created attachment 69834 [details]
sample text

Hello,

Current OS: 10.7.5, latest LO version. Problem is present since the first version of LO. 

As can be seen on the attachment, while scrolling Writer sometimes leaves text distorted and leaves some parts of the glyphs disappeared (distinguishable by not equal height text rows) in some cases. Selecting the text or scrolling till that part leaves the screen and scrolling back up restores the text. 

Not a major issue, but definitely inferior behaviour compared to MS Word or Pages. Plus, it leaves the impression that Writer is not a competent software, even not able to render simple text properly. 

I will continue to add relevant screenshots as problem reoccurs.
Comment 1 Emir Sarı (away) 2012-11-11 19:28:43 UTC 
Created attachment 69907 [details]
Liberation serif bold rendering issue

Compare bel and irtme parts. Bel is definitely bolder than the rest of the word
Comment 2 Emir Sarı (away) 2012-11-12 19:59:19 UTC 
Created attachment 69960 [details]
another rendering problem

Compare rendering between two lines.
Comment 3 Jorendc 2012-11-17 18:09:59 UTC 
I sometimes can confirm this bug. But I've got not that 'big' render issues. In most cases just a 'render error' like yours (see attachment  Liberation serif bold rendering issue (7.88 KB, image/png) 2012-11-11 19:28 UTC, Emir Sarı). 

I'm setting this bug as confirmed, but not that many or big as of Emir Sarı. Thanks for adding this bug.

Technical info: Mac OSX 10.8.2; LibreOffice 3.6.1 RC1 ((Build ID: a9a0717)
Comment 4 Jorendc 2013-01-31 23:58:34 UTC 
*** Bug 60031 has been marked as a duplicate of this bug. ***
Comment 5 Jorendc 2013-02-01 00:00:27 UTC 
(In reply to comment #4)
> *** Bug 60031 has been marked as a duplicate of this bug. ***

Because this bug was reported using Linux, therefore I mark bug platform as 'ALL'.
Comment 6 Jorendc 2013-02-01 13:51:32 UTC 
*** Bug 58358 has been marked as a duplicate of this bug. ***
Comment 7 Emir Sarı (away) 2013-02-01 16:06:48 UTC 
Thanks for the bug-chase Joren!

This is one of the cosmetic issues that makes LO look unprofessional. I thought this was only a Mac only issue, but seeing it present on Linux also surprised me. I hope this will get fixed soon.
Comment 8 Handyman 2013-03-18 21:12:59 UTC 
NeoOffice has apparently solved this issue. In comparison, the fonts in LibreOffice are fuzzy to my eye, especially at smaller sizes.
Comment 9 Heinz Repp 2013-04-11 14:31:15 UTC 
> *** Bug 60031 has been marked as a duplicate of this bug. ***
> *** Bug 58358 has been marked as a duplicate of this bug. ***

I am definitely not happy having seeing those to bugs being marked as duplicates of this one. Bug 60031 is definitely a duplicate of my bug 58358, but they describe a much more severe failure than the more cosmetic failures described here.

When 58358 or 60031 surface, any editing of a longer writer document is impossible. It is the sole reason that kept me from updating my 3.5.7 installation to any 3.6 version. It occurs only with rare combinations (of graphic driver, setting, what else?), but on my main system I found no workaround.
Comment 10 Ahmad Harthi 2013-05-29 13:06:10 UTC 
There is a new text engine used for Mac but still incomplete, please help us completing it by downloading LO 4.1 Beta1 and see if this bug still there.

Link to download LO Beta http://www.libreoffice.org/download/pre-releases/

Note: I've changed the title of the bug from "(Writer) Onscreen text rendering issues"
Comment 11 Emir Sarı (away) 2013-05-29 15:11:04 UTC 
I'd love to give some feedback but since newly moved abroad I only have limited internet capabilities, will test soon!
Comment 12 Emir Sarı (away) 2013-06-01 07:08:33 UTC 
Bug 42000 is still reproducible. This is rather a specific issue regarding accents. 

Bug 60267 seems to be fixed for the moment.
Comment 13 Handyman 2013-06-01 19:26:16 UTC 
Text is still fuzzy in LO 4.1 beta1. I see no change from 4.0. Text in NeoOffice is still sharper. 

I am viewing with a Macbook Air (non-retina screen) I imagine folks with Retina screen Macbooks are noticing very fuzzy text.

Has Coretext been implemented in LO? This is badly needed. Please invest in this improvement for all Apple users!
Comment 14 Emir Sarı (away) 2013-06-02 01:55:10 UTC 
@Handyman

Could you attach a sample file and screenshots from 4.0 and 4.1 respectively?
Comment 15 Handyman 2013-06-04 18:52:49 UTC 
Created attachment 80304 [details]
Text rendering sample from v4.0.3.3
Comment 16 Handyman 2013-06-04 18:53:32 UTC 
Created attachment 80305 [details]
Text rendering sample from v4.1.0.0 beta 1
Comment 17 Emir Sarı (away) 2013-06-04 19:13:30 UTC 
I think I can see what you mean. Under low zoom levels and small font sizes, text in NeoOffice seems more crisp.
Comment 18 Emir Sarı (away) 2013-09-20 13:14:47 UTC 
Fuzzy text problem still continue with 4.2 master builds as well.
Comment 19 Cédric Bosdonnat 2014-01-20 08:57:17 UTC 
Restricted my LibreOffice hacking area
Comment 20 Emir Sarı (away) 2014-07-24 22:54:43 UTC 
Increasing importance to high, since LibreOffice/AOO is the only GUI word processor left on Mac platform, which has inferior/bad text rendering. Literally every other word processor/text editor out there has crisp clear text rendering, except LibreOffice/AOO. 

Other Mac users would agree I presume.
Comment 21 V Stuart Foote 2014-12-22 13:27:45 UTC 
Moving this back to OS X only, the scrolling issue only on Linux is bug 58358--this issue has diverged a bit.

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