On Wed, Oct 4, 2023 at 11:08 AM Rune Lillesveen <[email protected]> wrote:
> Contact [email protected], [email protected] > > ExplainerNone > > Specification > https://drafts.css-houdini.org/css-properties-values-api-1/#syntax-strings > > Summary > > Supports using the <image> syntax for custom properties registered with > @property or registerProperty(). The <image> syntax can be used to restrict > values of the custom property to url() values and generated images like > gradients. > > > This syntax was initially excluded from the valid syntaxes mainly because > images were not interpolable and that it would add to the usefulness of the > syntax to be able to interpolate directly on the custom property. The other > engines have shipped the image syntax without supporting interpolation. > There are two interpolation methods in css-image-4, cross-fade() and per > stop interpolation for gradients. The gradient interpolation is not shipped > by any browser (even for standard properties). Safari ships a non-standard > compliant cross-fade() interpolation for standard properties (at least for > background-image), but not for the registered custom properties. > > > We have an OKR to look into cross-fade() for Q4. If we end up shipping > that, it will work for both registered custom properties and standard > properties. > > > The <image> syntax for registered custom properties is part of Interop > 2023. > > > Blink componentBlink>CSS > <https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink%3ECSS> > > TAG reviewNone > > TAG review statusNot applicable > > Risks > > > Interoperability and Compatibility > > None > > > *Gecko*: Shipped/Shipping Does not support interpolation > Sorry, this is not correct. It's implemented behind a flag, not shipping yet. *WebKit*: Shipped/Shipping Does not support interpolation > > *Web developers*: No signals > > *Other signals*: > > 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 > > No additional devtools support necessary compared to existing syntaxes. > > > Will this feature be supported on all six Blink platforms (Windows, Mac, > Linux, Chrome OS, 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/css/css-properties-values-api/at-property.html > https://wpt.fyi/css/css-properties-values-api/register-property-syntax-parsing.html > https://wpt.fyi/css/css-properties-values-api/typedom.html > > > Flag name on chrome://flags#enable-experimental-web-platform-features > > Finch feature nameCSSVariables2ImageValues > > Requires code in //chrome?False > > Estimated milestones > Shipping on desktop 120 > DevTrial on desktop 115 > Shipping on Android 120 > DevTrial on Android 115 > > Anticipated spec changes > > Open questions about a feature may be a source of future web compat or > interop issues. Please list open issues (e.g. links to known github issues > in the project for the feature specification) whose resolution may > introduce web compat/interop risk (e.g., changing to naming or structure of > the API in a non-backward-compatible way). > None > > Link to entry on the Chrome Platform Status > https://chromestatus.com/feature/5142205606133760 > > This intent message was generated by Chrome Platform Status > <https://chromestatus.com/>. > > -- > Rune Lillesveen > > -- Rune Lillesveen -- You received this message because you are subscribed to the Google Groups "blink-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CACuPfeRpL_rGG0%2BuaCiozmx6PoShU4H4SY8HaZwCKs8aReKnUg%40mail.gmail.com.
