From 64d38ba23b4acc46fdb9145f1953315573e3f8dc Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Samuel=20R=C3=B8dal?= Date: Thu, 5 Nov 2009 16:55:36 +0100 Subject: Fixed uninitialized background artifacts in QWidget::render. We need to use isOpaque to check whether the widget has an opaque background, it's not enough to just check the palette (it doesn't check Qt::NoSystemBackground for example). Task-number: QTBUG-5012 Reviewed-by: Gunnar Sletta --- src/gui/kernel/qwidget.cpp | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/src/gui/kernel/qwidget.cpp b/src/gui/kernel/qwidget.cpp index 386bf71..271b939 100644 --- a/src/gui/kernel/qwidget.cpp +++ b/src/gui/kernel/qwidget.cpp @@ -5171,8 +5171,7 @@ void QWidgetPrivate::render_helper(QPainter *painter, const QPoint &targetOffset return; QPixmap pixmap(size); - if (!(renderFlags & QWidget::DrawWindowBackground) - || !q->palette().brush(q->backgroundRole()).isOpaque()) + if (!(renderFlags & QWidget::DrawWindowBackground) || !isOpaque) pixmap.fill(Qt::transparent); q->render(&pixmap, QPoint(), toBePainted, renderFlags); -- cgit v0.12