Contact emails
[email protected]

Specification
https://drafts.csswg.org/css-shapes/#shape-outside-property


Summary
Adds support for the path() and shape() shape functions in the CSS 
shape-outside property. These functions allow developers to define float 
exclusion shapes using rectangle coordinates, aligning Chrome with Firefox and 
Safari which already support this feature.


Blink component
Blink>CSS


Web Feature ID
shape-outside


Motivation
The CSS shape-outside property currently accepts basic shape functions 
(circle(), ellipse(), inset(), polygon()) and the url() function for 
image-based shapes, but it does not support path() or the newer shape() 
function. This is an inconsistency in the CSS Shapes specification, since 
path() and shape() are already supported in other CSS properties such as 
clip-path and offset-path. Web developers who want to wrap text around complex, 
arbitrary shapes are forced to work around this limitation by using image-based 
workarounds (eg, transparent PNG images with url()), which are less ergonomic, 
harder to maintain, not responsive, and not animatable. There is no way today 
to use an SVG-style path string or a shape() command directly in shape-outside. 
Supporting path() and shape() in shape-outside brings parity with clip-path and 
offset-path, reduces the need for image-based hacks, and enables developers to 
define complex text-wrapping shapes inline in CSS. It also enables shape 
animation when combined with CSS transitions and animations, improving the 
expressiveness and capability of CSS layout.


Initial public proposal
No information provided


TAG review
No information provided


TAG review status
Not applicable


Goals for experimentation
None


Risks




Interoperability and Compatibility
No information provided

Gecko: Shipped/Shipping (https://bugzilla.mozilla.org/show_bug.cgi?id=2017356)

WebKit: No signal

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?
No information provided



Debuggability
No information provided


Will this feature be supported on all six Blink platforms (Windows, Mac, Linux, 
ChromeOS, Android, and Android WebView)?
No


Is this feature fully tested by web-platform-tests?
Yes



Flag name on about://flags
No information provided


Finch feature name
CSSShapeOutsidePathAndShapeSupport


Rollout plan
Will ship enabled for all users


Requires code in //chrome?
False


Tracking bug
https://issues.chromium.org/u/2/issues/502328208


Estimated milestones


Shipping on desktop 149

Shipping on Android 149

Shipping on WebView 149

Shipping on iOS 149




Anticipated spec changes

Open questions about a feature may be a source of future web compat or interop 
issues. Please list open issues (eg links to known github issues in the project 
for the feature specification) whose resolution may introduce web 
compat/interop risk (eg, changing to naming or structure of the API in a 
non-backward-compatible way).
No information provided


Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5080980370096128?gate=6491820889604096


Links to previous Intent discussions
Intent to Prototype: 
https://groups.google.com/a/chromium.org/d/msgid/blink-dev/69de62f9.050a0220.b4a7a.0053.GAE%40google.com



This intent message was generated by Chrome Platform Status.

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