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macOS + FreeType: fix crash with non printable unicode

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Task-number: QTBUG-84096
Pick-to: 5.15
Pick-to: 5.12
Change-Id: Ia60b7094ef9e82cf24f5a8b7995000ae65bb379a
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
This commit is contained in:
Anton Kudryavtsev 2020-10-30 11:16:57 +03:00 committed by Tor Arne Vestbø
parent 4edcea762d
commit ebfd0b14aa
1 changed files with 4 additions and 1 deletions
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5
src/gui/text/coretext/qcoretextfontdatabase.mm
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@ -406,7 +406,10 @@ QFontEngine *QCoreTextFontDatabaseEngineFactory<QFontEngineFT>::fontEngine(const
faceId.filename = QString::fromNSString(url.path).toUtf8();
return QFontEngineFT::create(fontDef, faceId);
}
Q_UNREACHABLE();
// We end up here with a descriptor does not contain Qt font data or kCTFontURLAttribute.
// Since the FT engine can't deal with a descriptor with just a NSFontNameAttribute,
// we should return nullptr.
return nullptr;
}
#endif