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[Bug 18384] Consider adding an adaptive image element

From: <bugzilla@jessica.w3.org>
Date: Tue, 24 Jul 2012 13:04:19 +0000
Message-Id: <E1Stemh-0006Y7-B2@jessica.w3.org>
To: public-html-bugzilla@w3.org
https://www.w3.org/Bugs/Public/show_bug.cgi?id=18384

Laura Carlson <laura.lee.carlson@gmail.com> changed:

           What    |Removed                     |Added
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           Keywords|                            |a11y_text-alt
                 CC|                            |public-html-a11y@w3.org

--- Comment #1 from Laura Carlson <laura.lee.carlson@gmail.com> 2012-07-24 13:04:19 UTC ---
Two things that may be worth consideration: 

1. The possibility of responsive text alternatives that could parallel the
responsive images if needed. The <picture> proposal allows for different
sources for images at different sizes. But authors could use different images
at different sizes and not just a cropped down version of a single image. No
text alternative mechanism is provided for that use case. Allowing alt on
<source> could provide for that use case. Something like the following might
work:

<picture>
<source src="mobile.jpg  alt="text alternative">
<source src="medium.jpg"  alt="text alternative" media="min-width: 600px">
<source src="fullsize.jpg"  alt="text alternative" media="min-width: 900px">
<img src="mobile.jpg" alt="text alternative">
</picture>

2. A picture element could allow for semantic programmatically determinable
in-page rich text long description, if a description element was added to the
proposal:

<picture>
<img src="image.jpg" alt="text alternative">
<desc>structured rich text description with headings, lists, tables,
etc.</desc>
</picture>

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Received on Tuesday, 24 July 2012 13:04:28 GMT

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