[whatwg] Synchronizing Canvas updates in a worker to DOM changes in the UI thread
Robert O'Callahan
robert at ocallahan.org
Tue Oct 22 09:55:38 PDT 2013
On Tue, Oct 22, 2013 at 4:37 PM, Glenn Maynard <glenn at zewt.org> wrote:
> On Tue, Oct 22, 2013 at 2:48 AM, Robert O'Callahan <robert at ocallahan.org
> >wrote:
>
> > This code actually does something potentially useful which can't easily
> be
> > done with attachToCanvas: generating a series of images as fast as
> possible
> > which will be processed on another thread in some way other than just
> > rendering them on the screen. (E.g., be encoded into an animated image or
> > video file.)
> >
>
> (This is a proposal for attachToCanvas--now setContext--not against
> transferToImageBitmap, if there are use cases that transferToImageBitmap
> solves best in its own right. It seems like toBlob already handles this,
> though.)
>
It doesn't, because toBlob encodes to an image format.
Rob
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