On Thu, 30 Jul 2009 14:50:45 +0200, Richard Schwerdtfeger <schwer@us.ibm.com> wrote: > In order to make canvas accessible we will need: > > An object model to which authors can apply an accessibility API. Doesn't this defeat the whole idea of <canvas>? If you want an object model you could use SVG. > A collection of callback interfaces that can be applied to objects to > support an accessibility API mapping on each browser and platform and > potentially a vehicle to fire events to ATs. I'm not quite I follow this point. > A provision for equivalent alternative references that allow a canvas > author to specify an alternative resource for drawing that cannot be > made accessible through traditional API. This is already possible. Just include content between the two tags of the element. > [...] For those who do not know this WCAG 1 required that you be > accessible with Script and CSS turned off in the browser. <canvas> is still compatible with that model as fallback must be shown if JavaScript is disabled. Having said that, since JavaScript is part of the semantics of a page that seems like an odd restriction to make, though probably in line with best practices of its time. -- Anne van Kesteren http://annevankesteren.nl/Received on Thursday, 30 July 2009 13:11:36 GMT
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