diff options
| -rw-r--r-- | src/gui/image/qicon.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/gui/image/qicon.cpp b/src/gui/image/qicon.cpp index e0af130d13..826627359d 100644 --- a/src/gui/image/qicon.cpp +++ b/src/gui/image/qicon.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2016 The Qt Company Ltd. +** Copyright (C) 2020 The Qt Company Ltd. ** Copyright (C) 2015 Olivier Goffart <ogoffart@woboq.com> ** Contact: https://www.qt.io/licensing/ ** @@ -894,7 +894,15 @@ QSize QIcon::actualSize(const QSize &size, Mode mode, State state) const { if (!d) return QSize(); - return actualSize(nullptr, size, mode, state); + + const qreal devicePixelRatio = qApp->devicePixelRatio(); + + // Handle the simple normal-dpi case: + if (!(devicePixelRatio > 1.0)) + return d->engine->actualSize(size, mode, state); + + const QSize actualSize = d->engine->actualSize(size * devicePixelRatio, mode, state); + return actualSize / d->pixmapDevicePixelRatio(devicePixelRatio, size, actualSize); } /*! |