From cdfafec01bc13bfe730a30893a5ade5fd2d238e6 Mon Sep 17 00:00:00 2001 From: Kai Uwe Broulik Date: Fri, 15 May 2020 14:15:33 +0200 Subject: QTreeView: Use devicePixelRatioF for cached animation pixmap Ensures it stays crisp also when using fractional scaling. Change-Id: I4a319929bca0e2dc4810c2c07d06f98b7f4e10b4 Pick-to: 5.15 Reviewed-by: Liang Qi --- src/widgets/itemviews/qtreeview.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'src/widgets') diff --git a/src/widgets/itemviews/qtreeview.cpp b/src/widgets/itemviews/qtreeview.cpp index aaac56afb1..e3d957d83c 100644 --- a/src/widgets/itemviews/qtreeview.cpp +++ b/src/widgets/itemviews/qtreeview.cpp @@ -3233,8 +3233,8 @@ void QTreeViewPrivate::drawAnimatedOperation(QPainter *painter) const QPixmap QTreeViewPrivate::renderTreeToPixmapForAnimation(const QRect &rect) const { Q_Q(const QTreeView); - QPixmap pixmap(rect.size() * q->devicePixelRatio()); - pixmap.setDevicePixelRatio(q->devicePixelRatio()); + QPixmap pixmap(rect.size() * q->devicePixelRatioF()); + pixmap.setDevicePixelRatio(q->devicePixelRatioF()); if (rect.size().isEmpty()) return pixmap; pixmap.fill(Qt::transparent); //the base might not be opaque, and we don't want uninitialized pixels. -- cgit v1.2.3