Hi Chris,

Have the spec changes for this landed, or are there open PRs?

Best regards,
Philip

On Wed, Apr 9, 2025 at 5:54 PM Daniel Bratell <bratel...@gmail.com> wrote:

> LGTM2 because I don't believe that there are no web developer signals.
> Surely there is demand for this?
>
> /Daniel
> On 2025-04-09 17:33, Chris Harrelson wrote:
>
> LGTM1
>
> On Tue, Apr 8, 2025 at 3:09 AM ccameron chromium <ccame...@chromium.org>
> wrote:
>
>> Hello blink-dev!
>>
>> Floating-point support for 2D canvas and for ImageData is now here 🎉.
>> This is the last API that needed support (after WebGPU and WebGL added it
>> in previous years). This will enable unified high bit depth (e.g, medical)
>> and high dynamic range (e.g, shiny) application support across all canvas
>> APIs, and across all of the (wildly varying) operating systems that Blink
>> ships on.
>>
>> Contact emails ccame...@chromium.org, yi...@chromium.org
>>
>> Explainer
>> https://github.com/ccameron-chromium/ColorWeb-CG/blob/canvas2d_float/canvas_float.md
>>
>> Specification
>> https://github.com/w3c/ColorWeb-CG/blob/master/canvas_float.md
>>
>> Summary
>>
>> Introduce the ability to use floating point pixel formats (as opposed to
>> 8-bit fixed point) with CanvasRenderingContext2D,
>> OffscreenCanvasRenderingContext2D, and ImageData. This is necessary for
>> high precision applications (e.g, medical visualization), high dynamic
>> range content, and linear working color spaces.
>>
>>
>> Blink component Blink>Canvas
>> <https://issues.chromium.org/issues?q=customfield1222907:%22Blink%3ECanvas%22>
>>
>> TAG review https://github.com/w3ctag/design-reviews/issues/1030
>>
>> TAG review status Issues addressed
>>
>> Risks
>>
>>
>> Interoperability and Compatibility
>>
>> None.
>>
>>
>> *Gecko*: Positive (
>> https://github.com/mozilla/standards-positions/issues/708)
>>
>> *WebKit*: No signal (
>> https://github.com/WebKit/standards-positions/issues/91) Updates off-bug
>> has been positive.
>>
>> *Web developers*: No signals
>>
>> *Other signals*:
>>
>> Ergonomics
>>
>> This will frequently be used with the (under development) HDR canvas
>> support.
>>
>>
>> WebView application risks
>>
>> Does this intent deprecate or change behavior of existing APIs, such that
>> it has potentially high risk for Android WebView-based applications?
>>
>> None
>>
>>
>> Debuggability
>>
>> Will this feature be supported on all six Blink platforms (Windows, Mac,
>> Linux, ChromeOS, Android, and Android WebView)? Yes
>>
>> Is this feature fully tested by web-platform-tests
>> <https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>
>> ? Yes
>>
>> Flag name on about://flags None
>>
>> Finch feature name CanvasFloatingPoint
>>
>> Rollout plan Will ship enabled for all users
>>
>> Requires code in //chrome? False
>>
>> Tracking bug https://crbug.com/40245602
>>
>> Availability expectation Feature is available on Web Platform Baseline
>> within <<12 months of launch in Chrome.
>>
>> Adoption expectation Feature is used by specific partner(s) to provide
>> functionality within <<12 months of launch in Chrome.
>>
>> Estimated milestones
>> Shipping on desktop 137
>> Shipping on Android 137
>> Shipping on WebView 137
>>
>> Anticipated spec changes No future spec changes.
>>
>> Link to entry on the Chrome Platform Status
>> https://chromestatus.com/feature/5086141338877952?gate=5074492622110720
>>
>> Links to previous Intent discussions Intent to Prototype:
>> https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAGnfxj_7FCH9mmGGB3Q3ZKJqP1EamLGUpOzjSpZYHXVkVOWW_w%40mail.gmail.com
>>
>>
>> This intent message was generated by Chrome Platform Status
>> <https://chromestatus.com/>.
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>>
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