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Re[2]: SVG, Style, Resizing, Etc.

From: Al Gilman <asgilman@iamdigex.net>
Date: Fri, 06 Oct 2000 10:49:22 -0400
Message-Id: <200010061427.KAA1083787@smtp2.mail.iamworld.net>
To: Jon Gunderson <jongund@ux1.cso.uiuc.edu>, <w3c-wai-ua@w3.org>
Cc: kasday@ACM.org, Bruce_Bailey@ed.gov, chris@w3.org
At 09:09 AM 2000-10-06 -0500, Jon Gunderson wrote:
>The colors user for rendering the graphic is often more important than size 
>for some people with visual impairments.  It depends on what part of the 
>eye is affected.  So we need to include foreground and background color in 
>the mix for full consideration of accessibility for people with low vision.

Well, this requires a detailed walk through the details, but if the User
Agent supports CSS on the mother document, it is supposed to support CSS on
the embedded SVG; which, if it all works, should be giving the user
foreground/background color control over the drawlines in general.

Unless the CSS requirement is only on the text.  Have to check.  But we may
be covered.


>At 10:24 PM 10/5/2000 -0400, Al Gilman wrote:
>>[Len, Bruce: the reference thread is at
>>  http://lists.w3.org/Archives/Public/w3c-wai-ua/2000OctDec/thread.html#4 ]
>>According to Bruce Bailey's report
>>   http://lists.w3.org/Archives/Public/w3c-wai-ig/2000OctDec/0012.html
>>if you can force the text up in size you have solved the P2 problem.  Icons
>>don't seem to be the same severity of problem.
>>This would sound as though, modulo a possible P3 gap, you are probably
>>covered as is.
>>I am copying Len and Bruce on this as I feel a bit over my depth.  I don't
>>have that good a background in low vision.
>>On second thought that bit about icons is not so strange.  Icons are analog
>>encoding.  This means you would expect them to degrade gradually on
>>low-pass filtering where all you get is an outline, more or less.  Text
>>doesn't look like it sounds.  You have to correctly identify the letters.
>>Fuzz text and all the letters without ascenders or descenders look alike;
>>that's an awful lot of them!  Symbolic codes have better error rejection
>>for low error rates.  That's why digital and FM before it deliver high
>>fidelity.  But like the little girl with the little curl; when they are
>>bad... watch out!
>Jon Gunderson, Ph.D., ATP
>Coordinator of Assistive Communication and Information Technology
>Division of Rehabilitation - Education Services
>College of Applied Life Studies
>University of Illinois at Urbana/Champaign
>1207 S. Oak Street, Champaign, IL  61820
>Voice: (217) 244-5870
>Fax: (217) 333-0248
>E-mail: jongund@uiuc.edu
>WWW: http://www.staff.uiuc.edu/~jongund
>WWW: http://www.w3.org/wai/ua
Received on Friday, 6 October 2000 10:27:23 UTC

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