https://issues.apache.org/ooo/show_bug.cgi?id=122965
Bug ID: 122965
Issue Type: DEFECT
Summary: ACCESSIBILITY: Impress PDF export loses image Title
and Description
Product: Impress
Version: AOO 4.0.0
Hardware: All
OS: All
Status: CONFIRMED
Severity: normal
Priority: P3
Component: viewing
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Images in Impress lose their text alternatives when a presentation is exported
as PDF. Images inserted in presentations can have a Title and Description
("text alternatives"). This is an accessibility requirement for users of screen
readers (blind users) and for exporting to non-visual formats such as audio
books (e.g. in DAISY format) and Braille.
To reproduce the issue, follow these steps:
1. Create a presentation in Impress; add a picture to a slide.
2. Right-click on the picture and select Description from the context menu.
3. Add a short description in the Title field and a longer description in the
Description field.
4. Save the presentation; then export it as PDF. In the PDF Options dialog,
check at least "Tagged PDF" (the PDF is mostly inaccessible without those
tags).
5. Open the resulting PDF file in a program that allows you to check the
accessibility of the PDF, e.g. Acobe Acrobat Pro (Adobe Reader can only check
whether PDF is tagged or not, it can't perform a full accessibility
evaluation), the free PDF Accessibility Checker (PAC) by access-for-all.ch, or
the online PDF checker at http://accessibility.egovmon.no/en/pdfcheck/. The
accessibility report will say that an image is missing a text alternative.
Notes:
1. Writer does not lose text alternatives on images when exporting to PDF.
2. You can go through the above steps using three variations: give the image
only a title, give the image only a description, give the image both a title
and a description. In each of these cases, the images in the PDF file will have
no text alternative.
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