When exporting 5 layer PPT. Images on layer 4 and 5 with the decorative flag aren't omitted or converted to artifact. They are then reported in an accessibility check.
Images with decorative flags from background layers. They aren't omitted. They are converted into figure tags with an empty alt text.
It should be omitted at all. Or do not convert to figure with empty alt text.
User Profile Reset: No
Version: 220.127.116.11 / 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
Created attachment 170504 [details]
From the Navigator I can see what you mean, stuff like Picture 6. Please explain what is a decorative flag and how I can see it in the picture in the document.
Impress does not have layers as such. You are referring to the stacking order. So you are requesting that data loss would happen for elements that are underneath other elements.
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Dear Miroslav Michalek,
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I looked at this again, I unzipped the .pptx file and found these tags in the file ppt/slides/slide1.xml:
<adec:decorative xmlns:adec="http://schemas.microsoft.com/office/drawing/2017/decorative" val="1"/>
Bubli mentioned in the dev chat:
an image labelled that way should be exported as PDF /Artifact s.a. https://www.w3.org/WAI/WCAG20/Techniques/pdf/PDF4
Let's put this to NEW.