From dd52fd0024600d3beffc82d6da02b4239a62d725 Mon Sep 17 00:00:00 2001 From: Jocelyn Turcotte Date: Tue, 17 Jan 2017 17:05:00 +0100 Subject: Ensure a pixel density of at least 1 for Qt::AA_EnableHighDpiScaling Very large 1080p TVs or any display which is running at an abnormally low resolution can have a DPI lower than 48, which means that qRound(dpi/96) will result in a 0 pixel density, causing critical issues for applications using Qt::AA_EnableHighDpiScaling. Make sure that we always have a pixel density of at least 1 to allow applications not having to worry about such displays. Task-number: QTBUG-56140 Change-Id: I1dafbf7794a99ae6f872984c0337d8ff0d1fc1c0 Reviewed-by: Shawn Rutledge Reviewed-by: Friedemann Kleint --- src/plugins/platforms/winrt/qwinrtscreen.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'src/plugins/platforms/winrt/qwinrtscreen.cpp') diff --git a/src/plugins/platforms/winrt/qwinrtscreen.cpp b/src/plugins/platforms/winrt/qwinrtscreen.cpp index f87ae9fd24..2a4b6c8907 100644 --- a/src/plugins/platforms/winrt/qwinrtscreen.cpp +++ b/src/plugins/platforms/winrt/qwinrtscreen.cpp @@ -647,7 +647,7 @@ QDpi QWinRTScreen::logicalDpi() const qreal QWinRTScreen::pixelDensity() const { Q_D(const QWinRTScreen); - return qRound(d->logicalDpi / 96); + return qMax(1, qRound(d->logicalDpi / 96)); } qreal QWinRTScreen::scaleFactor() const -- cgit v1.2.3