- From: Shawn Henry <shawn@w3.org>
- Date: Tue, 3 Nov 2015 14:01:28 -0600
- To: public-low-vision-a11y-tf@w3.org
Laura Carlson wrote: > WCAG has Technique F3: Failure of Success Criterion 1.1.1 due to using CSS to include images that convey important information Right! Thanks for the reminder. So this issue is not specific to low vision. ~Shawn Laura Carlson wrote: > 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> >>>> >>>> >>> >>> >> >> > >
Received on Tuesday, 3 November 2015 20:01:54 UTC