From 67736c1a1564fb2ef88ce67ab4266bfe31f44e19 Mon Sep 17 00:00:00 2001
From: "Aaron J. Seigo" <aseigo@kde.org>
Date: Thu, 23 Sep 2010 19:51:39 +0000
Subject: [PATCH] fill our pixmaps with nothingness

svn path=/trunk/KDE/kdelibs/; revision=1178747
---
 paintutils.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/paintutils.cpp b/paintutils.cpp
index 0dd614f62..ea81c810b 100644
--- a/paintutils.cpp
+++ b/paintutils.cpp
@@ -194,12 +194,13 @@ QPixmap transition(const QPixmap &from, const QPixmap &to, qreal amount)
     QColor color;
     color.setAlphaF(amount);
 
-
     // If the native paint engine supports Porter/Duff compositing and CompositionMode_Plus
     QPaintEngine *paintEngine = from.paintEngine();
     if (paintEngine && 
         paintEngine->hasFeature(QPaintEngine::PorterDuff) &&
         paintEngine->hasFeature(QPaintEngine::BlendModes)) {
+        startPixmap.fill(Qt::transparent);
+        targetPixmap.fill(Qt::transparent);
 
         QPainter p;
         p.begin(&targetPixmap);