Bug 230566

Summary:	Allow feature detection of font color palettes
Product:	WebKit	Reporter:	Myles C. Maxfield <mmaxfield>
Component:	Text	Assignee:	Nobody <webkit-unassigned>
Status:	RESOLVED DUPLICATE
Severity:	Normal	CC:	mmaxfield, webkit-bug-importer
Priority:	P2	Keywords:	InRadar
Version:	WebKit Nightly Build
Hardware:	Unspecified
OS:	Unspecified
Bug Depends on:
Bug Blocks:	230446

Description Myles C. Maxfield 2021-09-21 11:01:31 PDT

Provide mechanism for graceful degradation of color palettes

Comment 1 Radar WebKit Bug Importer 2021-09-21 11:01:58 PDT

<rdar://problem/83359700>

Comment 2 Myles C. Maxfield 2021-09-24 00:43:54 PDT

It should do the right thing, because no element can have a font family of "". I should write a test to do this. This should be a part of https://github.com/web-platform-tests/wpt/pull/30910.

Comment 3 Myles C. Maxfield 2021-09-24 00:44:26 PDT

Whoops, disregard that last comment, it's meant for a different bug.

Comment 4 Myles C. Maxfield 2021-09-24 01:39:45 PDT

https://drafts.csswg.org/css-fonts-4/#font-face-src-parsing

<font-technology> = [features(<font-feature-technology>) | variations
| color(<color-font-technology>) | palettes
| incremental ]

Comment 5 Myles C. Maxfield 2021-09-24 02:02:55 PDT

Now that I think about it, people can feature-detect the font-palette property. So I should just use that.

*** This bug has been marked as a duplicate of bug 230394 ***