[Libreoffice-bugs] [Bug 118045] New: FILESAVE Exporting ODP to PPTX does not get paragraph style line spacing proportional correct

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=118045

            Bug ID: 118045
           Summary: FILESAVE Exporting ODP to PPTX does not get paragraph
                    style line spacing proportional correct
           Product: LibreOffice
           Version: 6.0.4.2 release
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: UNCONFIRMED
          Severity: normal
          Priority: medium
         Component: Impress
          Assignee: libreoffice-bugs at lists.freedesktop.org
          Reporter: J.Zaitseff at zap.org.au

Description:
I have created a presentation file (ODP) under LibreOffice 6.0.4.2 (Ubuntu PPA)
that I use for song lyrics.  Text boxes on each slide use styles like "Song
lyrics" and "Song title" for formatting.  The style "Song lyrics" has a
paragraph style that makes line spacing to be Proportional 110%.  This all
works for the ODP file and exporting to PDF.

When exported to Microsoft PowerPoint 2007-2013 XML (PPTX) and then opened up
in either Microsoft Office 2010 Professional or 2016 Professional, none of the
text boxes retain the line spacing attribute: these go back to line spacing
Single.  Opening the same PPTX file in LibreOffice shows the same problem.

Exporting to PPT (PowerPoint 97-2003) and opening in MS Office 2010 or 2016
works as expected, although spacing goes from Multiple 1.1 to 1.12 for some
reason--a relatively minor concern.

Using MS Office 2010 or 2016 to convert from PPT to PPTX (ALT-F, then the
Compatibility Mode button) works as expected, although the resulting PPTX file
is about double the size of the one generated by LibreOffice.

Steps to Reproduce:
1. Open the ODP file at https://www.zap.org.au/~john/links/lyrics-template.odp
(Note that although this is called a template, it is NOT an ODF Presentation
Template!).  The slides use Verdana as the font.
2. Check that the paragraph attribute Line spacing is Proportional 110%.
3. Save the file as Microsoft PowerPoint 2007-2013 XML (PPTX).
4. Reopen the ODP file and as as Microsoft PowerPoint 97-2003 (PPT).
5. Open the PPTX and PPT files in Microsoft PowerPoint 2010 or later.
6. Observe that the PPTX version has incorrect line spacing while the PPT file
has correct spacing.

Actual Results:  
The paragraph attribute Line Spacing is set to Single in the PPTX file.

Expected Results:
The paragraph attribute Line Spacing should be Line Spacing Multiple 1.1.


Reproducible: Always


User Profile Reset: Yes



Additional Info:
Sample ODP file is at https://www.zap.org.au/~john/links/lyrics-template.odp. 
The PPT and PPTX files generated by LibreOffice 6.0.4.2 are at
https://www.zap.org.au/~john/links/lyrics-template.ppt and
https://www.zap.org.au/~john/links/lyrics-template.pptx respectively.

The results of converting PPT or ODP to PPTX under MS Office 2010 and 2016 are
at:

https://www.zap.org.au/~john/links/lyrics-template-from-odp-o2010.pptx (Using
Save As)
https://www.zap.org.au/~john/links/lyrics-template-from-odp-o2016.pptx (Using
Save As)
https://www.zap.org.au/~john/links/lyrics-template-from-ppt-o2010.pptx (Using
the Compatibility Mode button)
https://www.zap.org.au/~john/links/lyrics-template-from-ppt-o2010-using-saveas.pptx
(Using Save As)
https://www.zap.org.au/~john/links/lyrics-template-from-ppt-o2016.pptx (Using
the Compatibility Mode button)


Version: 6.0.4.2
Build ID: 1:6.0.4~rc2-0ubuntu0.18.04.1
CPU threads: 8; OS: Linux 4.15; UI render: default; VCL: kde4; 
Locale: en-AU (en_AU.UTF-8); Calc: group



User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:60.0) Gecko/20100101
Firefox/60.0

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