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-rw-r--r--src/gui/kernel/qplatformscreen.cpp12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/gui/kernel/qplatformscreen.cpp b/src/gui/kernel/qplatformscreen.cpp
index 211a9650dc..ab2fdfa409 100644
--- a/src/gui/kernel/qplatformscreen.cpp
+++ b/src/gui/kernel/qplatformscreen.cpp
@@ -161,6 +161,18 @@ QDpi QPlatformScreen::logicalDpi() const
}
/*!
+ Reimplement this function in subclass to return the device pixel
+ ratio for the screen. This is the ratio between physical pixels
+ and device-independent pixels.
+
+ \sa QPlatformWindow::devicePixelRatio();
+*/
+qreal QPlatformScreen::devicePixelRatio() const
+{
+ return 1.0;
+}
+
+/*!
Reimplement this function in subclass to return the vertical refresh rate
of the screen, in Hz.