- From: Leonard R. Kasday <kasday@acm.org>
- Date: Mon, 07 Feb 2000 10:00:52 -0500
- To: Wendy A Chisholm <wendy@w3.org>, w3c-wai-er-ig@w3.org
I don't see any point converting GIF to PNG, at least as long as we're using ALT or LONGDESC. Unless... we want to use the text string part of PNG. That's a guidelines issue. Len At 05:17 PM 1/31/00 -0500, Wendy A Chisholm wrote: >Michael wrote: ><blockquote> >Checkpoint 11.1 - Use W3C technologies when they are available and >appropriate for a task and use the latest versions when supported >New Technique: ask ></blockquote> > >I propose (note the many @@'s, i.e. questions and unfinished work: ><blockquote> >Technique 11.1.1 [priority 2] Verify that W3C technologies are used. >Discussion Status: >awaiting discussion >Evaluation: >Check for uses of non-W3C technologies such as: PDF, Flash, GIF images, >JPG images, proprietary HTML elements (@@other major ones??). >@@See 1.1.1 for images used for mathematical equations. >Note. I left out JavaScript because there is not a W3C equivalent >technology yet. >Example Language: >Non-W3C technology used: W3C technologies have been reviewed for >accessibility issues throughout the design phase and have accessibility >built-in. Many non-W3C formats require specific applications (often called >plug-ins) that are inaccessible or do not work well with assistive >technologies. Using W3C technologies will tend to make pages more >accessible to more people using a wider variety of hardware and software. >If inaccessible technologies (proprietary or not) must be used, equivalent >accessible pages must be provided. >Repair Technique: >Suggest that where appropriate, the author: >convert quicktime movies (others?) into SMIL presentations. >convert GIF and JPG images to PNG or SVG. >convert Flash animations to a combination of valid HTML, SMIL, and PNG or SVG. >@@convert images of math equations to MathML. >@@Note: many of these W3C formats are not widely supported >yet. Therefore, how do we deal with this in the meantime? Present the >info and let the author decide? >Use a text-only page generator to create an equivalent accessible page. >Test Files and Discussion Files: ></blockquote> >-- >wendy a chisholm >world wide web consortium >web accessibility initiative >madison, wi usa >tel: +1 608 663 6346 >/-- > ------- Leonard R. Kasday, Ph.D. Institute on Disabilities/UAP, and Department of Electrical Engineering Temple University 423 Ritter Annex, Philadelphia, PA 19122 kasday@acm.org http://astro.temple.edu/~kasday (215) 204-2247 (voice) (800) 750-7428 (TTY)
Received on Monday, 7 February 2000 11:58:41 UTC