- From: Laura Carlson <laura.lee.carlson@gmail.com>
- Date: Thu, 29 Oct 2015 06:24:33 -0500
- To: Shawn Henry <shawn@w3.org>
- Cc: public-low-vision-a11y-tf@w3.org
Hi Shawn, The fundamental user issue is that CSS background images in HCM vanish and are not perceivable. It could potentially be solved by any of the 3. WCAG has Technique F3: Failure of Success Criterion 1.1.1 due to using CSS to include images that convey important information http://www.w3.org/TR/WCAG20-TECHS/F3.html Kindest Regards, Laura On 10/28/15, Shawn Henry <shawn@w3.org> wrote: > Re below: Is the fundamental issue that: > 1. images that provide contextual information should not be included via CSS > background? > *or* > 2. high contrast mode (HCM) and other setting should not turn off background > images? > *or* > 3. users should have the option of turning background images on or off in > HCM and other settings? > *or* > 4. other... > > > > On 10/28/2015 10:52 AM, Laura Carlson wrote: >> Hi Shawn Jon, and all, >> >> Good catch, Jon. That is one of our use cases page. It is currently >> the second point under color and contrast with the unique identifier >> [Laura, UC-7] . >> https://www.w3.org/WAI/GL/low-vision-a11y-tf/wiki/User_stories_-_use_cases#Color_and_Contrast >> >> It might be good to include the unique identifier [Person, UC-#] from >> the "User stories - use cases" on the user requirements table for >> reference, mapping and to be sure we don't miss others, which should >> be included. > > Done (after I post the up date :-). > ~Shawn > >> >> Thanks. >> >> Best Regards, >> Laura >> >> On 10/28/15, Jonathan Avila <jon.avila@ssbbartgroup.com> wrote: >>> Shawn, I wanted to discuss another potential item for the user >>> requirements >>> - what about removal of background/non-decorative images. That is a11y >>> features such as High contrast in Windows will remove background images >>> that >>> are seen as decorative from the page content. This is an issue when >>> background image techniques are incorrectly used by developers with >>> meaningful images and then content is missing. If this is already >>> covered - >>> please excuse this note. >>> >>> Best Regards, >>> >>> Jonathan >>> >>> -- >>> Jonathan Avila >>> Chief Accessibility Officer >>> SSB BART Group >>> jon.avila@ssbbartgroup.com<mailto:jon.avila@ssbbartgroup.com> >>> Phone 703.637.8957 >>> Follow us: Facebook<http://www.facebook.com/#!/ssbbartgroup> | >>> Twitter<http://twitter.com/#!/SSBBARTGroup> | >>> LinkedIn<http://www.linkedin.com/company/355266?trk=tyah> | >>> Blog<http://www.ssbbartgroup.com/blog> | >>> Newsletter<http://eepurl.com/O5DP> >>> >>> >> >> > > -- Laura L. Carlson
Received on Thursday, 29 October 2015 11:25:02 UTC