- From: Adam Connors <adamconnors@google.com>
- Date: Tue, 22 Sep 2009 10:30:18 +0100
- To: Bruce Lawson <brucel@opera.com>
- Cc: Mobile Web Best Practices Working Group WG <public-bpwg@w3.org>
Received on Tuesday, 22 September 2009 09:31:03 UTC
Thanks Bruce. Both good points. Will update. On Tue, Sep 22, 2009 at 10:29 AM, Bruce Lawson <brucel@opera.com> wrote: > 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 09:31:03 UTC