iOS: Update pixel density (PPI) logic to detect new iOS devices

Since the iPhone 6(S) Plus devices have a PPI of 401, we change the
logic from storing the unscaled PPI to storing the scaled PPI, and
applying that to a scaled geometry when computing the physical size.

Task-number: QTBUG-49467
Change-Id: I1741ff075749a301d2434cd35f642fcc9ea4b581
Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@theqtcompany.com>
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@theqtcompany.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/plugins/platforms/ios/qiosscreen.h b/src/plugins/platforms/ios/qiosscreen.h
index a0aa922a31..f31be9756c 100644
--- a/src/plugins/platforms/ios/qiosscreen.h
+++ b/src/plugins/platforms/ios/qiosscreen.h
@@ -73,7 +73,7 @@ private:
     QRect m_geometry;
     QRect m_availableGeometry;
     int m_depth;
-    uint m_unscaledDpi;
+    uint m_pixelDensity;
     QSizeF m_physicalSize;
     QIOSOrientationListener *m_orientationListener;
 };