From 911b037fe8141aa915a9e350a2651be01a22971a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Gr=C3=A4=C3=9Flin?= <mgraesslin@kde.org>
Date: Sat, 14 May 2011 21:02:11 +0200
Subject: [PATCH] Add another pixmap safety check in Shadow creation

Do not only check for null pixmaps but also that the
pixmap contains a 32 bit depth as we don't want shadows
without alpha.
---
 shadow.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/shadow.cpp b/shadow.cpp
index b229b13a30..537f464f49 100644
--- a/shadow.cpp
+++ b/shadow.cpp
@@ -100,7 +100,7 @@ bool Shadow::init(const QVector< long > &data)
 {
     for (int i=0; i<ShadowElementsCount; ++i) {
         QPixmap pix = QPixmap::fromX11Pixmap(data[i]);
-        if (pix.isNull()) {
+        if (pix.isNull() || pix.depth() != 32) {
             return false;
         }
         m_shadowElements[i] = pix.copy(0, 0, pix.width(), pix.height());