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Diffstat (limited to 'src/gui/kernel/qwindow.cpp')
| -rw-r--r-- | src/gui/kernel/qwindow.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/gui/kernel/qwindow.cpp b/src/gui/kernel/qwindow.cpp index c24609e886..aaf2b25ad4 100644 --- a/src/gui/kernel/qwindow.cpp +++ b/src/gui/kernel/qwindow.cpp @@ -806,6 +806,24 @@ Qt::ScreenOrientation QWindow::orientation() const } /*! + Returns the ratio between physical pixels and device-independent pixels + for the window. This value is dependent on the screen the window is on, + and may change when the window is moved. + + Common values are 1.0 on normal displays and 2.0 on Apple "retina" displays. + + \sa QWindow::devicePixelRatio(); + \sa QGuiApplicaiton::devicePixelRatio(); +*/ +qreal QWindow::devicePixelRatio() const +{ + Q_D(const QWindow); + if (!d->platformWindow) + return 1.0; + return d->platformWindow->devicePixelRatio(); +} + +/*! \brief set the screen-occupation state of the window The window \a state represents whether the window appears in the |