On 4/4/24 4:29 AM, Fredrik Söderquist wrote:
On Thu, Apr 4, 2024 at 1:22 AM Mike Taylor <miketa...@chromium.org> wrote:

    Hi Fredrik,

    Just to confim - this is adding support for a new
    `color-interpolation` property value, yes (vs a bugfix or behavior
    change to an existing feature)? If so, can you send an Intent to
    Ship rather than a PSA?

No, it's applying an existing property value ('linearRGB') in yet another context (SVG gradients). Previously it was applied within SVG <mask> elements.

Thanks - I did misunderstand then. That said, this will still need an Intent to Ship, as we're exposing new functionality that did not previously exist in Chromium.

thanks,
Mike



/fs

    thanks,
    Mike

    On 4/3/24 10:15 AM, Fredrik Söderquist wrote:


            Contact emails

    f...@opera.com


            Specification

    https://svgwg.org/svg2-draft/painting.html#ColorInterpolation


            Summary

    Allows SVG gradients to interpolate in a linear-light sRGB color
    space. Currently all SVG gradients interpolate in a gamma-encoded
    sRGB color space.



            Blink component

    Blink>SVG
    <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3ESVG>


            TAG review

    None. This feature (property-value pair) has been specified for
    ~20 years by now.


            TAG review status

    Not applicable


            Risks



            Interoperability and Compatibility

    The risk along both axes is fairly low since the difference is in
    rendering only (even if the rendering can differ quite
    significantly).



    /Gecko/: Shipped/Shipping
    (https://www.mozilla.org/en-US/firefox/123.0/releasenotes)

    /WebKit/: No signal (Implementation bug,
    https://bugs.webkit.org/show_bug.cgi?id=234783, was pinged)

    /Web developers/: No signals

    /Other signals/:


            WebView application risks

    None



            Debuggability

    Nothing specific need, this feature just changes how colors are
    interpolated



            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

    
https://wpt.fyi/results/svg/pservers/reftests/gradient-color-interpolation.svg



            Flag name on chrome://flags

    None


            Finch feature name

    SvgGradientColorInterpolationLinearRgbSupport


            Requires code in //chrome?

    No


            Estimated milestones

    Shipping on desktop         125

    Shipping on Android         125

    Shipping on WebView         125

    Shipping on WebView         125



            Anticipated spec changes

    None


            Link to entry on the Chrome Platform Status

    https://chromestatus.com/feature/5120997943672832?gate=5096917471330304

    This intent message was generated by Chrome Platform Status
    <https://chromestatus.com/>.
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