Bug 308389

Summary:

[IFC] Inflated glyph overflow leads to line shifts when paginated

Product:

WebKit

Reporter:

alan <zalan>

Component:

New Bugs

Assignee:

alan <zalan>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

csaavedra, koivisto, webkit-bug-importer

Priority:

Keywords:

InRadar

Version:

WebKit Nightly Build

Hardware:

Unspecified

OS:

Unspecified

See Also:

https://bugs.webkit.org/show_bug.cgi?id=308087

Attachments:

Description	Flags
Patch	none
Patch	none
[fast-cq]Patch	none

alan

Reported 2026-02-21 06:14:06 PST

see bug 308087

Attachments
Patch (29.40 KB, patch) 2026-02-21 06:36 PST, alan	no flags	Details Formatted Diff Diff
Patch (30.97 KB, patch) 2026-02-21 07:59 PST, alan	no flags	Details Formatted Diff Diff
[fast-cq]Patch (30.31 KB, patch) 2026-02-21 08:08 PST, alan	no flags	Details Formatted Diff Diff
Show Obsolete (2) View All Add attachment proposed patch, testcase, etc.

alan

Comment 1 2026-02-21 06:36:23 PST

Created attachment 478434 [details] Patch

Claudio Saavedra

Comment 2 2026-02-21 07:24:59 PST

Comment on attachment 478434 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=478434&action=review > LayoutTests/platform/glib/fast/repaint/emoji-glyph-overflow-repaint-fail-expected.txt:5 > + (rect 8 -5 784 13) > + (rect 8 -5 784 13) > + (rect 0 -5 800 5) Not really necessary apparently? https://ews-build.s3-us-west-2.amazonaws.com/GTK-WK2-Tests-EWS/478434-120465-repeat-failures/fast/repaint/emoji-glyph-overflow-repaint-fail-diff.txt

alan

Comment 3 2026-02-21 07:59:01 PST

Created attachment 478435 [details] Patch

alan

Comment 4 2026-02-21 08:02:51 PST

(In reply to Claudio Saavedra from comment #2) > Comment on attachment 478434 [details] > Patch > > View in context: > https://bugs.webkit.org/attachment.cgi?id=478434&action=review > > > LayoutTests/platform/glib/fast/repaint/emoji-glyph-overflow-repaint-fail-expected.txt:5 > > + (rect 8 -5 784 13) > > + (rect 8 -5 784 13) > > + (rect 0 -5 800 5) > > Not really necessary apparently? > https://ews-build.s3-us-west-2.amazonaws.com/GTK-WK2-Tests-EWS/478434-120465- > repeat-failures/fast/repaint/emoji-glyph-overflow-repaint-fail-diff.txt I wonder what makes it platform specific. Anyway will rebaseline it before landing. Thank you.

alan

Comment 5 2026-02-21 08:08:02 PST

Created attachment 478436 [details] [fast-cq]Patch

alan

Comment 6 2026-02-21 08:09:40 PST

> I wonder what makes it platform specific. Anyway will rebaseline it before landing. Thank you. Nope, not platform specific. It's simply not needed.

Antti Koivisto

Comment 7 2026-02-23 04:02:58 PST

Comment on attachment 478436 [details] [fast-cq]Patch View in context: https://bugs.webkit.org/attachment.cgi?id=478436&action=review > Source/WebCore/layout/formattingContexts/inline/InlineLine.h:153 > + uint8_t bottom: 3 { 0 }; : placement!

EWS

Comment 8 2026-02-23 05:04:55 PST

Committed 308037@main (b7dcd15f16d4): <https://commits.webkit.org/308037@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 478436 [details].

Radar WebKit Bug Importer

Comment 9 2026-02-23 05:05:13 PST

<rdar://problem/170975010>

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