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authorFriedemann Kleint <Friedemann.Kleint@digia.com>2013-04-18 13:43:31 +0200
committerThe Qt Project <gerrit-noreply@qt-project.org>2013-04-18 22:02:18 +0200
commitb3bed2c8deb8c4f09ac7b5023cfc24a69a95ad46 (patch)
tree7d37fdc40e3368dc5d7c6284dfa90c4810550a47
parentb9826799405293ee5969015eed37957daad198ee (diff)
Fix format for alpha drawing.
Task-number: QTBUG-28531 Change-Id: Ie97953950cad26776724848adc5751c861903cf7 Reviewed-by: Gunnar Sletta <gunnar.sletta@digia.com>
-rw-r--r--src/plugins/platforms/windows/qwindowsbackingstore.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/plugins/platforms/windows/qwindowsbackingstore.cpp b/src/plugins/platforms/windows/qwindowsbackingstore.cpp
index b40aefa225..dfbbe3069c 100644
--- a/src/plugins/platforms/windows/qwindowsbackingstore.cpp
+++ b/src/plugins/platforms/windows/qwindowsbackingstore.cpp
@@ -146,7 +146,7 @@ void QWindowsBackingStore::resize(const QSize &size, const QRegion &region)
#endif
QImage::Format format = QWindowsNativeImage::systemFormat();
if (format == QImage::Format_RGB32 && rasterWindow()->window()->format().hasAlpha())
- format = QImage::Format_ARGB32;
+ format = QImage::Format_ARGB32_Premultiplied;
m_image.reset(new QWindowsNativeImage(size.width(), size.height(), format));
}
}