[whatwg] canvas context "alpha" attribute
cabanier at gmail.com
Wed Mar 12 10:53:22 PDT 2014
On Wed, Mar 12, 2014 at 10:49 AM, Ian Hickson <ian at hixie.ch> wrote:
> On Wed, 12 Mar 2014, Rik Cabanier wrote:
> > About a year ago, Google and mozilla proposed the "alpha" attribute as an
> > option when you create the canvas context. The wiki explains the feature
> > very well. 
> > Since then, Google has implemented and shipped this . There is a
> > proposal to implement  and a patch  for firefox.
> > An author can "feature test" by setting alpha to false and reading a
> > in the context. If the pixel comes back with an alpha of 0, it means that
> > it is not supported.
> > Could this be added to the HTML specification? 
> It's being tracked here:
> It's awaiting interest from a second vendor. It's not clear to me from the
> Mozilla bug whether Mozilla engineers actually support this.
See roc's reply here:
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