Contact emailskhushalsa...@chromium.org, tabatk...@chromium.org,
vmp...@chromium.org

Explainerhttps://github.com/w3c/csswg-drafts/issues/7058

Specificationhttps://drafts.csswg.org/css-images-4/#the-object-view-box

Summary

object-view-box allows the author to specify a subset within an image that
should draw within the content box of the target replaced element. This
enables an author to create an image with a custom glow or shadow applied,
with proper ink-overflow behavior like a CSS shadow would have.

Blink componentBlink
<https://bugs.chromium.org/p/chromium/issues/list?q=component:Blink>

TAG reviewhttps://github.com/w3ctag/design-reviews/issues/740

TAG review statusPending

Risks

Interoperability and Compatibility


Gecko: Worth prototyping (
https://github.com/mozilla/standards-positions/issues/626)

WebKit: No signal (
https://lists.webkit.org/pipermail/webkit-dev/2022-March/032166.html)

Web developers: Positive
This property is a pre-requisite for Shared Element Transitions () which
has positive feedback from developers (source
<https://twitter.com/jaffathecake/status/1524782819431555074?t=itU6B0wo6SbjomGiSKLmGQ&s=19>).
Multiple
customers who are excited about SET need this feature to achieve their
desired UX, since their designs have visual overflows such as shadows.

Other signals:

WebView application risks

None



Debuggability

The property can be debugged in the devtools style panel similar to other
CSS properties.


Is this feature fully tested by web-platform-tests
<https://chromium.googlesource.com/chromium/src/+/main/docs/testing/web_platform_tests.md>
?Yes

Flag nameCSSObjectViewBox

Requires code in //chrome?False

Tracking bughttps://bugs.chromium.org/p/chromium/issues/detail?id=1303102

Estimated milestones

M104

Anticipated spec changesNone

Link to entry on the Chrome Platform Status
https://chromestatus.com/feature/5213032857731072

Links to previous Intent discussionsIntent to prototype:
https://groups.google.com/a/chromium.org/d/msgid/blink-dev/CAMLuWUz11QzapF4BEX_QTu2FKsT2CEhphkyq%2BnorFgWA_G4qQw%40mail.gmail.com
<https://groups.google.com/a/chromium.org/d/msgid/blink-dev/camluwuz11qzapf4bex_qtu2fkst2cehphkyq+norfgwa_g4...@mail.gmail.com>


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

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