[whatwg] Enabling LCD Text and antialiasing in canvas

[Robert O'Callahan]

On Tue, Mar 12, 2013 at 7:53 AM, Stephen White <senorblanco at chromium.org>wrote:

> All other canvas functionality behaves as normal, including operations
> which modify the alpha values of the backing store.  However, any such
> transparency values will be ignored when compositing the canvas into the
> page, and the canvas will be treated as if every pixel has an alpha of 1.0.
>

That would mean getImageData can return non-1.0 alpha values, which is
probably not what you want to implement.

Rob
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