[whatwg] Enabling LCD Text and antialiasing in canvas

Robert O'Callahan robert at ocallahan.org
Sun Mar 17 13:40:51 PDT 2013


On Sat, Mar 16, 2013 at 5:52 PM, Gregg Tavares <gman at google.com> wrote:

> Let me ask again in a different way ;-)  Specifically about LCD style
> antialiasing.
>
> What about a context attribute "antialiasRenderingQualityHint" for now with
> 2 settings "default" and "displayDependent"
>
>    context.antialiasRenderingQualityHint = "displayDependent"
>

How would this interact with canvas opacity? E.g. if the author uses
displayDependent and then draws text over transparent pixels in the canvas,
what is the UA supposed to do?

Rob
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