diff options
author | Liang Qi <liang.qi@qt.io> | 2018-11-10 11:36:18 +0100 |
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committer | Liang Qi <liang.qi@qt.io> | 2018-11-10 11:38:40 +0100 |
commit | 58437fb125f60c11ba8e97c914fa8db8c89c7373 (patch) | |
tree | f47ed59073984ec76034155bc04d3d987b192d2e /src/widgets/kernel/qwidget.cpp | |
parent | 76bb804405f424708fffec502788995ea91206b8 (diff) | |
parent | b20c15f2041205a1cab98fbaf9560a3e2e0d6367 (diff) |
Merge remote-tracking branch 'origin/5.12' into dev
Conflicts:
src/corelib/serialization/qcborcommon.h
src/corelib/tools/qlocale_data_p.h
tests/auto/network/ssl/qsslsocket/tst_qsslsocket.cpp
Done-with: Edward Welbourne <edward.welbourne@qt.io>
Change-Id: Ibed987f6d77a0294f78f67d78625237616082416
Diffstat (limited to 'src/widgets/kernel/qwidget.cpp')
-rw-r--r-- | src/widgets/kernel/qwidget.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/widgets/kernel/qwidget.cpp b/src/widgets/kernel/qwidget.cpp index 4300d83e9c..85a89b717e 100644 --- a/src/widgets/kernel/qwidget.cpp +++ b/src/widgets/kernel/qwidget.cpp @@ -5861,7 +5861,11 @@ QPixmap QWidgetEffectSourcePrivate::pixmap(Qt::CoordinateSystem system, QPoint * pixmapOffset -= effectRect.topLeft(); - const qreal dpr = context->painter->device()->devicePixelRatioF(); + qreal dpr(1.0); + if (const auto *paintDevice = context->painter->device()) + dpr = paintDevice->devicePixelRatioF(); + else + qWarning("QWidgetEffectSourcePrivate::pixmap: Painter not active"); QPixmap pixmap(effectRect.size() * dpr); pixmap.setDevicePixelRatio(dpr); |