Bug 166753 – Text highlight causes Yoon Gothic webfont to reflow.

• Component: Layout and Rendering
• Status: RESOLVED FIXED

[alan]

Simple line layout does not honor CJK keep-all word wrapping.

[alan]

rdar://problem/29778563

[alan]

Created attachment 298176 [details]
Patch

[Build Bot]

Comment on attachment 298176 [details]
Patch

Attachment 298176 [details] did not pass mac-wk2-ews (mac-wk2):
Output: http://webkit-queues.webkit.org/results/2842403

Number of test failures exceeded the failure limit.

[Build Bot]

Created attachment 298180 [details]
Archive of layout-test-results from ews104 for mac-elcapitan-wk2

The attached test failures were seen while running run-webkit-tests on the mac-wk2-ews.
Bot: ews104  Port: mac-elcapitan-wk2  Platform: Mac OS X 10.11.6

[alan]

(In reply to comment #3)
> Comment on attachment 298176 [details]
> Patch
> 
> Attachment 298176 [details] did not pass mac-wk2-ews (mac-wk2):
> Output: http://webkit-queues.webkit.org/results/2842403
> 
> Number of test failures exceeded the failure limit.
It looks more like an EWS failure -> "Failed to run PrettyPatch, see error log."

[alan]

Created attachment 298215 [details]
Patch

[alan]

Created attachment 298217 [details]
Patch

[Darin Adler]

Comment on attachment 298217 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=298217&action=review

> Source/WebCore/rendering/SimpleLineLayoutTextFragmentIterator.cpp:133
> +    auto nextBreakablePositionForSegment = [this] (unsigned startPosition, bool breakNBSP, bool keepAllWordsForCJK) {
> +        if (keepAllWordsForCJK) {
> +            if (breakNBSP)
> +                return nextBreakablePositionKeepingAllWords(m_lineBreakIterator, startPosition);
> +            return nextBreakablePositionKeepingAllWordsIgnoringNBSP(m_lineBreakIterator, startPosition);
> +        }
> +
> +        if (m_lineBreakIterator.isLooseCJKMode()) {
> +            if (breakNBSP)
> +                return nextBreakablePositionLoose(m_lineBreakIterator, startPosition);
> +            return nextBreakablePositionIgnoringNBSPLoose(m_lineBreakIterator, startPosition);
> +        }
> +        
> +        if (breakNBSP)
> +            return WebCore::nextBreakablePosition(m_lineBreakIterator, startPosition);
> +        return nextBreakablePositionIgnoringNBSP(m_lineBreakIterator, startPosition);
> +    };

Seems like this could be done with a pointer-to-member function instead of a lambda.

[alan]

Created attachment 298229 [details]
Patch

[alan]

or since I only need the lazyiterator from 'this', I could just come up with a static function.

[WebKit Commit Bot]

Comment on attachment 298229 [details]
Patch

Clearing flags on attachment: 298229

Committed r210456: <http://trac.webkit.org/changeset/210456>

[WebKit Commit Bot]

All reviewed patches have been landed.  Closing bug.