Bug 114875

Summary:

[Mac] ComplexTextController is slow with large numbers of text runs.

Product:

WebKit

Reporter:

Andreas Kling <kling>

Component:

Text

Assignee:

Andreas Kling <kling>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

kling, mitz, ned

Priority:

Keywords:

InRadar, Performance

Version:

528+ (Nightly build)

Hardware:

Unspecified

OS:

Unspecified

Attachments:

Description	Flags
Proposed patch	mitz: review+

Description Andreas Kling 2013-04-19 07:33:01 PDT

<rdar://problem/13337036>

For content with long spans of complex text, we sometimes get stuck in ComplexTextController::indexOfCurrentRun() for a while, specifically in the loop that finds the leftmost glyph at the end.

Comment 1 Andreas Kling 2013-04-19 08:26:15 PDT

Created attachment 198856 [details]
Proposed patch

Comment 2 Andreas Kling 2013-04-19 09:16:35 PDT

Committed r148750: <http://trac.webkit.org/changeset/148750>