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Fix color fonts with DirectWrite backend 

The logic to detect color fonts in the GDI font database was never
implemented in the DirectWrite database, causing emojis to look
monochrome. The patch moves this into the font engine itself instead,
along with the other initialization code.

Fixes: QTBUG-122168
Change-Id: I6f5dad579bd987149e613b8071821aaf70a89bc2
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>
(cherry picked from commit 6bd85d4a27)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
This commit is contained in:
Eskil Abrahamsen Blomfeldt 2024-02-26 09:29:00 +01:00 committed by Qt Cherry-pick Bot
parent 233ce5b018
commit 84bbfd9c62
2 changed files with 4 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
src/gui/text/windows/qwindowsfontdatabase.cpp
View File

@ -1256,9 +1256,6 @@ QFontEngine *QWindowsFontDatabase::createEngine(const QFontDef &request, const Q
QFontDef fontDef = request;
fontDef.families = QStringList(QString::fromWCharArray(n));
if (isColorFont)
fedw->glyphFormat = QFontEngine::Format_ARGB;
fedw->initFontInfo(fontDef, dpi);
fe = fedw;
}

4
src/gui/text/windows/qwindowsfontenginedirectwrite.cpp
View File

@ -1030,6 +1030,10 @@ void QWindowsFontEngineDirectWrite::initFontInfo(const QFontDef &request,
names->Release();
}
// Color font
if (face3->GetPaletteEntryCount() > 0)
glyphFormat = QFontEngine::Format_ARGB;
face3->Release();
}
#endif