From 49491dd678071661db2e34133c051cb176a83e0b Mon Sep 17 00:00:00 2001 From: David Edmundson Date: Mon, 13 Jun 2016 17:56:49 +0200 Subject: Handle device pixel ratio in QTreeWidget animations MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit As we are rendering into a new paint device we need to copy the device pixel ratio from the widget. Task-number: QTBUG-50207 Change-Id: I2fe08052c4ab589cb871f4c95440b7d63f79beb9 Reviewed-by: Morten Johan Sørvig --- src/widgets/itemviews/qtreeview.cpp | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/src/widgets/itemviews/qtreeview.cpp b/src/widgets/itemviews/qtreeview.cpp index cecaa4d8fb..d2e1a10566 100644 --- a/src/widgets/itemviews/qtreeview.cpp +++ b/src/widgets/itemviews/qtreeview.cpp @@ -3232,7 +3232,8 @@ void QTreeViewPrivate::drawAnimatedOperation(QPainter *painter) const QPixmap QTreeViewPrivate::renderTreeToPixmapForAnimation(const QRect &rect) const { Q_Q(const QTreeView); - QPixmap pixmap(rect.size()); + QPixmap pixmap(rect.size() * q->devicePixelRatio()); + pixmap.setDevicePixelRatio(q->devicePixelRatio()); 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