[Libreoffice-bugs] [Bug 141759] New: FILEOPEN PPTX Changing table font name and size then background color reduces font size

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=141759

            Bug ID: 141759
           Summary: FILEOPEN PPTX Changing table font name and size then
                    background color reduces font size
           Product: LibreOffice
           Version: 5.0.0.5 release
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Keywords: bibisected, bisected, filter:pptx, regression
          Severity: normal
          Priority: medium
         Component: Impress
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: libreoffice at nisz.hu
                CC: caolanm at redhat.com, nemeth at numbertext.org,
                    varga.balazs3 at nisz.hu
            Blocks: 139899

Created attachment 171282
  --> https://bugs.documentfoundation.org/attachment.cgi?id=171282&action=edit
Example file from PowerPoint

Attached simple PP-made presentation contains a table with Arial narrow, bold,
36 pt font set.
Selecting this table in Impress, changing font type and size, then setting a
slide background somehow changes the font size to 18 pt.

The same strange behavior does not happen with an odp file.

Steps to reproduce:
    1. Open attached file
    2. Select the whole table
    3. Change the font with the Text Formatting toolbar, I used Linux Libertine
G
    4. Change the font size, I used 40 pt
    5. Unselect the table, right click on the slide, select Slide Properties
    6. On the Background tab set a new color

Actual results:
The font size used by the characters (check in the Character properties)
becomes 18 pt.
Selecting the whole table still displays 40 pt font on the Text Formatting
toolbar, or in the Table Properties dialog.

Expected results:
The font size does not change.
The problem may stem from the different table / character font settings: in PP
there is no way to set font size on the table level, only at the character
level. 
Impress allows setting both character level and table level font properties.

LibreOffice details:
Version: 7.2.0.0.alpha0+ (x64) / LibreOffice Community
Build ID: a809b2ab2553e946431699d9d7ac3f6209cbdd6b
CPU threads: 4; OS: Windows 10.0 Build 18363; UI render: Skia/Raster; VCL: win
Locale: en-US (hu_HU); UI: en-US
Calc: CL

Also happens in 7.0, 6.0, 5.0.

But not yet in
Version: 4.4.0.3
Build ID: de093506bcdc5fafd9023ee680b8c60e3e0645d7
Locale: hu_HU

Additional Information: 

Bibisected using bibisect-win32-5.0 to:
URL:
https://cgit.freedesktop.org/libreoffice/core/commit/?id=b14259b946686c753c0df42c519fc2537e871601

author  Caolán McNamara <caolanm at redhat.com>    2015-02-18 15:04:45 +0000
committer       Caolán McNamara <caolanm at redhat.com>    2015-02-18 16:14:00
+0000

Resolves: rhbz#1193971 clear hard-coded char props in table cells...

Adding CC to: Caolán McNamara

Observation: before this commit changing the font and size on the Text
Formatting toolbar was not applied to the existing text in the table, after
this one they started to apply.


Referenced Bugs:

https://bugs.documentfoundation.org/show_bug.cgi?id=139899
[Bug 139899] [META] PPTX Table issues
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