Bug 143044 - Alternative text for shapes is omitted upon exporting to PDF
Summary: Alternative text for shapes is omitted upon exporting to PDF
Status: NEW
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: Printing and PDF export (show other bugs)
(earliest affected) release
Hardware: All All
: medium normal
Assignee: Not Assigned
Keywords: accessibility
Depends on:
Blocks: PDF-Export
  Show dependency treegraph
Reported: 2021-06-24 11:09 UTC by Miroslav Michalek
Modified: 2021-07-28 10:16 UTC (History)
2 users (show)

See Also:
Crash report or crash signature:

document for reproducing the issue (2.77 MB, application/vnd.openxmlformats-officedocument.presentationml.presentation)
2021-06-24 11:10 UTC, Miroslav Michalek

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Description Miroslav Michalek 2021-06-24 11:09:27 UTC
Alternative texts for shapes in the PPTX document are omitted during the export to PDF.
Resulted tags don't preserve the alternative text, especially for the shapes listed below.

CTShape - 2D shapes(rectangle, circle, heart, user drawings, etc.)
CTConnector - various lines, arrows in diagrams.

Steps to Reproduce:
1.Open the attached document or create a new PPTX with shapes in it and provide alt texts.
2.Export to PDF
3.Inspect resulted tags for missing alt texts.

Actual Results:
Alternative texts are missing for resulted tags.

Expected Results:
Alternative texts are preserved.

Reproducible: Always

User Profile Reset: No

Additional Info:
Version: / LibreOffice Community
Build ID: f6099ecf3d29644b5008cc8f48f42f4a40986e4c
CPU threads: 12; OS: Mac OS X 10.16; UI render: default; VCL: osx
Locale: ar-SA (en_CZ.UTF-8); UI: en-US
Calc: threaded
Comment 1 Miroslav Michalek 2021-06-24 11:10:52 UTC
Created attachment 173158 [details]
document for reproducing the issue
Comment 2 Buovjaga 2021-07-19 16:02:02 UTC
I guess this is right-click - Description. I don't see this working with ODP documents either. Does it work for you?

Version: / LibreOffice Community
Build ID: b1df9c67349cf4cc5be4128d797aefb87f50e38f
CPU threads: 16; OS: Linux 5.13; UI render: default; VCL: x11
Locale: fi-FI (fi_FI.UTF-8); UI: en-US
Calc: threaded
Comment 3 Miroslav Michalek 2021-07-19 16:17:15 UTC
Nice find. It doesn't work for me with ODP either.