[webkit-dev] Request for position: Canvas 2D display-p3 support

Sam Weinig weinig at apple.com
Wed Jun 9 18:59:45 PDT 2021

Hi Christopher,

We are in favor of this proposal.

- Sam

> On Jun 9, 2021, at 6:39 PM, Christopher Cameron via webkit-dev <webkit-dev at lists.webkit.org> wrote:
> Hi webkit-dev,
> (and sorry for the duplicate post here, I mangled the headers on the previous post!)
> This is a request for WebKit's position on display-p3 support for Canvas 2D. This is already being tracked in bugs.webkit.org <http://bugs.webkit.org/> here <https://bugs.webkit.org/show_bug.cgi?id=225140>.
> Summary:
> Adds a color space parameter to CanvasRenderingContext2DSettings, which defaults to "srgb" and can take on the value of "display-p3". Adds ImageDataSettings, which allows specifying a color space parameter to getImageData/createImageData and related constructors.
> Spec:
> WhatWG spec changes merged in this PR <https://github.com/whatwg/html/commit/85cb202a052c462bd6830b3dda96e7edbd1dcd75>.
> Tests:
> https://github.com/web-platform-tests/wpt/tree/master/html/canvas/element/wide-gamut-canvas <https://github.com/web-platform-tests/wpt/tree/master/html/canvas/element/wide-gamut-canvas>
> Includes tests of ImageData (get and put), and ensuring no loss when doing toBlob and toDataURL round-trips.
> Thank you for your feedback!
> Christopher
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