From 1a0384cb15f7a2194341ec4b102948fa9337f5cf Mon Sep 17 00:00:00 2001 From: David Edmundson Date: Sun, 16 Aug 2015 15:09:51 +0100 Subject: Support device pixel ratio in QWidget graphic effects MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Change-Id: Ie20bd30328ae353ace82fbeee5808546f0568703 Reviewed-by: Christoph Cullmann Reviewed-by: Morten Johan Sørvig --- src/widgets/kernel/qwidget.cpp | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'src/widgets') diff --git a/src/widgets/kernel/qwidget.cpp b/src/widgets/kernel/qwidget.cpp index ba0fcf75d0..49da4d1faf 100644 --- a/src/widgets/kernel/qwidget.cpp +++ b/src/widgets/kernel/qwidget.cpp @@ -5828,7 +5828,10 @@ QPixmap QWidgetEffectSourcePrivate::pixmap(Qt::CoordinateSystem system, QPoint * pixmapOffset -= effectRect.topLeft(); - QPixmap pixmap(effectRect.size()); + const qreal dpr = context->painter->device()->devicePixelRatio(); + QPixmap pixmap(effectRect.size() * dpr); + pixmap.setDevicePixelRatio(dpr); + pixmap.fill(Qt::transparent); m_widget->render(&pixmap, pixmapOffset, QRegion(), QWidget::DrawChildren); return pixmap; -- cgit v1.2.3