Intent to Ship: Support stroke-box, content-box and border-box in the transform-box CSS property
Fredrik Söderquist
Contact emails
f...@opera.com
Explainer
None (see summary)
Specification
https://www.w3.org/TR/css-transforms-1/#transform-box
Summary
Allows changing how the reference box for the 'transform' property is computed. This adds additional capabilities that will allow creating transforms/graphical effects where - for example - the width of the border of an element does not influence the result (e.g rotation around a point in the content box) or the stroke of an (SVG) element should influence the result (e.g rotating a stroked shape around its center - including the stroke).
Blink component
Blink>SVG
TAG review
None
TAG review status
Not applicable
Risks
Interoperability and Compatibility
Low interoperability risk. The feature being part of Interop2023 gives it a decent chance of becoming interoperable - at least within the subset that is tested in that scope.
Gecko: No signal This is small change that is in scope of Interop2023
WebKit: Shipped/Shipping (https://webkit.org/blog/10247/new-webkit-features-in-safari-13-1) Implemented since TP 96
Web developers: Positive (https://crbug.com/924472) 9+ stars in the bug tracker
Other signals:
Low interoperability risk. The feature being part of Interop2023 gives it a decent chance of becoming interoperable - at least within the subset that is tested in that scope.
Gecko: No signal This is small change that is in scope of Interop2023
WebKit: Shipped/Shipping (https://webkit.org/blog/10247/new-webkit-features-in-safari-13-1) Implemented since TP 96
Web developers: Positive (https://crbug.com/924472) 9+ stars in the bug tracker
Other signals:
WebView application risks
Minimal (adds a couple of new keywords to an existing property)
Minimal (adds a couple of new keywords to an existing property)
Debuggability
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?
Yes
Flag name on chrome://flags
Finch feature name
CSSTransformBoxAdditionalKeywords
Requires code in //chrome?
False
Sample links
https://developer.mozilla.org/en-US/docs/Web/CSS/transform-box
Estimated milestones
| Shipping on desktop | 117 |
| Shipping on Android | 117 |
| Shipping on WebView | 117 |
Anticipated spec changes
None
Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/6208828575580160
Links to previous Intent discussions
Original I2S for the transform-box property: https://groups.google.com/a/chromium.org/g/blink-dev/c/4ZWHz8tCONI/m/XBTvQtw2BAAJ
This intent message was generated by Chrome Platform Status.
Yoav Weiss
Mike Taylor
LGTM2
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Daniel Bratell
LGTM2
/Daniel
--
Daniel Bratell
Make that LGTM3
(What are the chances of three people looking at the same intent in the same minute? Well it seem to have happened)
/Daniel
To view this discussion on the web visit https://groups.google.com/a/chromium.org/d/msgid/blink-dev/92ec16e1-5db2-03fb-1936-f46832a1619e%40gmail.com.