- From: Travis Leithead <travis.leithead@microsoft.com>
- Date: Tue, 11 Sep 2012 16:12:25 +0000
- To: Robin Berjon <robin@w3.org>, Dean Jackson <dino@apple.com>
- CC: "public-html@w3.org" <public-html@w3.org>
On the other hand, you could change the way that the 3d context is obtained from the canvas element, to better allow feature detection... if (canvas.context3d) { ... } ?? > -----Original Message----- > From: Robin Berjon [mailto:robin@w3.org] > Sent: Tuesday, September 11, 2012 1:41 AM > To: Dean Jackson > Cc: public-html@w3.org > Subject: Re: [Canvas] proposal for supportsContext > > Hi Dean, > > On 10/09/2012 20:11 , Dean Jackson wrote: > > I propose adding a new method to HTMLCanvasElement: > > > > interface HTMLCanvasElement : HTMLElement { > > boolean supportsContext(DOMString contextId, any... arguments); > > }; > > > > supportsContext takes the same parameters as getContext, and simply > returns > > true if the corresponding call to getContext would have returned a valid > > context, false otherwise. > > I like it. My only concern is about why this would work when > hasFeature() failed so miserably. I guess that it covers a sufficiently > limited set that it will be done right. > > -- > Robin Berjon - http://berjon.com/ - @robinberjon >
Received on Tuesday, 11 September 2012 16:13:00 UTC