- From: Bruce Lawson <brucel@opera.com>
- Date: Tue, 22 Sep 2009 10:29:01 +0100
- To: "Adam Connors" <adamconnors@google.com>, "Mobile Web Best Practices Working Group WG" <public-bpwg@w3.org>
On Mon, 21 Sep 2009 21:41:00 +0100, Adam Connors <adamconnors@google.com> wrote: > New draft uploaded: > > http://www.w3.org/2005/MWI/BPWG/Group/Drafts/BestPractices-2.0/ED-mobile-bp2-20090917 > > Major changes: > - Added text on Canvas & SVG. "Canvas is best suited for cases where a static bitmap is sufficient (e.g. drawing a scatter-chart, visual effects, reflections etc). In most cases Canvas is faster and should be preferred if it meets requirements." I think we should explicitly call out that canvas is currently inaccessible, as it's just pixels and there is no DOM for assistive technologies to interrogate. It's a moving <img> tag. So it should be used for decoration, or supplementing information on the screen, not as the sole way of conveying information. 3.5.10.2 How to do it See http://www.w3schools.com/tags/html5_canvas.asp for information on how to use the Canvas tag. I don't think we should link to w3schools as we shouldn't "bless" one single commericial site; the spec for canvas is at http://dev.w3.org/html5/spec/Overview.html#the-canvas-element which is where I believe we should link to. > - Added text and reference for ARIA. Groovy.
Received on Tuesday, 22 September 2009 09:37:42 UTC