Bug 254790

Summary:	[CSS Fonts] Implement the from-font value for font-size-adjust
Product:	WebKit	Reporter:	ChangSeok Oh <changseok>
Component:	CSS	Assignee:	ChangSeok Oh <changseok>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified

Description ChangSeok Oh 2023-03-30 17:51:46 PDT

The 'from-font' value is newly added to CSS Font Module Level 5 [1], which allows the browser to automatically decide a font-size-value based on the primary font. We implement it here.

[1] https://www.w3.org/TR/css-fonts-5/#valdef-font-size-adjust-from-font

Comment 1 ChangSeok Oh 2023-04-02 21:21:02 PDT

Pull request: https://github.com/WebKit/WebKit/pull/12303

Comment 2 Radar WebKit Bug Importer 2023-04-06 17:52:23 PDT

<rdar://problem/107735982>

Comment 3 EWS 2023-04-10 19:18:26 PDT

Committed 262800@main (0f2621d76216): <https://commits.webkit.org/262800@main>

Reviewed commits have been landed. Closing PR #12303 and removing active labels.