Bug Hunting Session
Bug 123182 - Very Bad Character Kerning in Verdana pt11 in writer especially Letter 'm' (depending on zoom level)
Summary: Very Bad Character Kerning in Verdana pt11 in writer especially Letter 'm' (d...
Status: NEW
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: Writer (show other bugs)
Version:
(earliest affected)
Inherited From OOo
Hardware: x86-64 (AMD64) Windows (All)
: medium trivial
Assignee: Not Assigned
URL:
Whiteboard:
Keywords:
Depends on:
Blocks: Font-Rendering Zoom-Issues
  Show dependency treegraph
 
Reported: 2019-02-05 12:57 UTC by Pete
Modified: 2019-06-14 16:32 UTC (History)
1 user (show)

See Also:
Crash report or crash signature:


Attachments
screenshot kerning compared to G**gle Office writer (28.02 KB, image/png)
2019-02-05 13:02 UTC, Pete
Details

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Description Pete 2019-02-05 12:57:02 UTC
Description:
The character spacing/kerning in Verdana in Pt.11 is way too large for some letters.
Especially the letter 'm' followed by another letter. its nearly as wide as a space.

I've tried other writing editors on the same machine, it's specifically a problem of LO.


Steps to Reproduce:
1.open new document

2.write some Text containing the letter 'm' followed by another letter
or use some blind text

3.apply 'Verdana' and in steps the size pt.9 to pt. 14 to it.

Actual Results:
the kerning differs a lot between these sizes and gets on pt.11 nearly as big as a space

Expected Results:
same kerning for all sizes or nearly proportional


Reproducible: Always


User Profile Reset: Yes


OpenGL enabled: Yes

Additional Info:
Version: 6.1.4.2 (x64)
Build-ID: 9d0f32d1f0b509096fd65e0d4bec26ddd1938fd3
CPU-Threads: 2; BS: Windows 10.0; UI-Render: Standard; 
Gebietsschema: de-DE (de_DE); Calc: CL

Graphics:
Renderer: AMD Radeon(TM) R4 Graphics
Vendor: ATI Technologies Inc.
Memory: 512 MB
Version: 4.5.13476 Core Profile Forward-Compatible Context 22.19.180.513
Shading language version: 4.50
Comment 1 Pete 2019-02-05 13:02:19 UTC
Created attachment 148906 [details]
screenshot kerning compared to G**gle Office writer
Comment 2 Pete 2019-02-05 13:08:35 UTC
the property 'pairwise kerning' in:
Format -> character -> position
doesnt effect this.
Comment 3 Dieter Praas 2019-02-05 13:27:49 UTC
I get the same result, but it depends on the zoom level:
100% O.K.
110% could be improved

Pete, do you also get different result with zoom in or out?
Comment 4 Telesto 2019-02-05 17:23:42 UTC
(In reply to Dieter Praas from comment #3)
> I get the same result, but it depends on the zoom level:
> 100% O.K.
> 110% could be improved

Already in
LibreOffice 3.3.0 
OOO330m19 (Build:6)
tag libreoffice-3.3.0.4
Comment 5 Pete 2019-02-06 12:07:28 UTC
(In reply to Dieter Praas from comment #3)
> I get the same result, but it depends on the zoom level:
> 100% O.K.
> 110% could be improved
> 
> Pete, do you also get different result with zoom in or out?

true,
in my opinion:

90% worst
100% ok
110% could be improved
Comment 6 Dieter Praas 2019-02-06 12:54:54 UTC
(In reply to Pete from comment #5)
> true,
> in my opinion:
> 
> 90% worst
> 100% ok
> 110% could be improved

=> NEW
Comment 7 Khaled Hosny 2019-06-14 12:14:41 UTC
This is likely caused by the same issue outlined in bug 103322.