https://bugs.documentfoundation.org/show_bug.cgi?id=165336

            Bug ID: 165336
           Summary: FILESAVE PPTX:wrong picture/shape horizontal alignment
                    which overrides paragraph alignment - seen only in
                    PowerPoint
           Product: LibreOffice
           Version: 25.2.0.0 alpha0+
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Keywords: bibisected, bisected, regression
          Severity: normal
          Priority: medium
         Component: Writer
          Assignee: [email protected]
          Reporter: [email protected]
                CC: [email protected], [email protected]

Created attachment 199322
  --> https://bugs.documentfoundation.org/attachment.cgi?id=199322&action=edit
forum-mso-en-11064.pptx_export-compare-1.png: RED=25.8 master(today), BLUE=25.2
oldest, grayscale=MSO

As reported in bug 165261 comment 3 - which ends up being a separate issue...

I'm seeing LOTS of examples where content is shifted when using PowerPoint as
the viewer of the round-tripped files.

For example, when viewed in PowerPoint 2010 and 2019, attachment 199289
(forum-mso-en-11064.pptx) : the label "Click these to see the options" is
right-aligned, but after LO round trips it, it is centred. The positioning
seems to be controlled by "Picture properties" and the "textbox vertical
alignment" is still blank as before (an unknown display value I guess), but
when set to "Top" it moves the text left to the expected place.

This started in 25.2 with commit 1d9ce0a67a71e51569cd33c26270eeece587a354
Author: Balazs Varga on Sun Oct 13 20:58:17 2024 +0200
    tdf#162571 - sd: Text box expands or shrinks on left or right or
    both sides, depending on the text alignment. Set the text anchor
    position based on the first paragraph alignment.

It appears to me that the shape/picture properties optionally override the
paragraph alignment properties. This is probably something that LO does not
currently support - and the change has just exposed missing functionality?

Also seen only in PowerPoint with:
- Thomas carte.pptx (attachment 130416 [details] from bug 105329) "It is my
birthday"
- tabs.pptx (attachment 129920 [details] from bug 104909)
- R-L.pptx (attachment 114856 [details] from bug 90673)

and I assume it is the same problem with fdo75409-1, fdo76129-2, fdo78308-1,
forum-mso-en-5867,lp734726-2, novell464996-2, 622163-2,
ooo119898-1,ooo119899-1, tdf77881-9, tdf95345-1, tdf100662-1, tdf103936-1,
tdf107516-1, tdf125072-2, tdf129372-2, tdf77691-1, and tdf68759-1.

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