From dc40eeacdca375ac03e5d7b6a6c183609c6b9889 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B8rn=20Erik=20Nilsen?= <bjorn.nilsen@nokia.com>
Date: Mon, 24 Aug 2009 19:30:19 +0200
Subject: Make sure QGraphicsOpacityEffect::opacity is bound between 0.0 and
 1.0

---
 src/gui/effects/qgraphicseffect.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/gui/effects/qgraphicseffect.cpp b/src/gui/effects/qgraphicseffect.cpp
index 2fe0964..ab02999 100644
--- a/src/gui/effects/qgraphicseffect.cpp
+++ b/src/gui/effects/qgraphicseffect.cpp
@@ -907,8 +907,11 @@ qreal QGraphicsOpacityEffect::opacity() const
 void QGraphicsOpacityEffect::setOpacity(qreal opacity)
 {
     Q_D(QGraphicsOpacityEffect);
+    opacity = qBound(qreal(0.0), opacity, qreal(1.0));
+
     if (qFuzzyCompare(d->opacity, opacity))
         return;
+
     d->opacity = opacity;
     emit opacityChanged(opacity);
 }
-- 
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