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Re: WCAG 2.0 SC 1.4.4 - Text Zoom Vs Browser Zoom

for

From: Karl Groves
Date: Sep 16, 2014 9:05AM

Rakesh,

You might want to take a look at prior conversations on this list and
the WAI-IG list, as I recall two pretty informative discussions on
this topic.

Also, this comprehensive post by Denis Boudreau
http://www.denisboudreau.org/blog/2013/07/why-browser-zoom-testing-sucks-for-accessibility/


On Tue, Sep 16, 2014 at 4:24 AM, Rakesh P < <EMAIL REMOVED> > wrote:
> Dear All,
>
> We have a web application where content on the site is getting
> restructured if we use global zoom to magnify the content.
> In one of the page, there is a chart image with image hot spots
> (functional links) as indicator of some chart value. When we do global
> zoom, the entire chart (with image hot shots) is getting re-sized and
> no distortion is happening. But with Text Zoom (using Text Zoom option
> in Firefox browser), only the text is re-sizing and not the chart
> image, so the position of image hot spots are getting distorted and
> this will definitely create some difficulty for user using text zoom
> (low vision user).
> As per WCAG SC 1.4.4 (Text Re-size), the content of the page should
> not be clipped, truncated or obscured with 200% Text Zoom.
> We want to understand, in a scenario like this, where Global Zoom is
> handled efficiently and doesn't cause any loss of information or
> horizontal scroll, is it really required to handle distortion caused
> by browser text zoom? Is the global zoom a sufficient way to execute
> and test S.C 1.4.4?
>
> Thanks & Regards
> Rakesh Paladugula
> > > --

Karl Groves
www.karlgroves.com
@karlgroves
http://www.linkedin.com/in/karlgroves
Phone: +1 410.541.6829

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