diff -r 56cd8111b7f7 -r 41300fa6a67c src/gui/itemviews/qitemdelegate.cpp
--- a/src/gui/itemviews/qitemdelegate.cpp	Tue Jan 26 12:42:25 2010 +0200
+++ b/src/gui/itemviews/qitemdelegate.cpp	Tue Feb 02 00:43:10 2010 +0200
@@ -255,7 +255,7 @@
     \row    \o \l Qt::BackgroundRole \o QBrush
     \row    \o \l Qt::BackgroundColorRole \o QColor (obsolete; use Qt::BackgroundRole instead)
     \row    \o \l Qt::CheckStateRole \o Qt::CheckState
-    \row    \o \l Qt::DecorationRole \o QIcon and QColor
+    \row    \o \l Qt::DecorationRole \o QIcon, QPixmap and QColor
     \row    \o \l Qt::DisplayRole \o QString and types with a string representation
     \row    \o \l Qt::EditRole \o See QItemEditorFactory for details
     \row    \o \l Qt::FontRole \o QFont
@@ -1059,7 +1059,7 @@
         painter.end();
 
         QPixmap selected = QPixmap(QPixmap::fromImage(img));
-        int n = (img.numBytes() >> 10) + 1;
+        int n = (img.byteCount() >> 10) + 1;
         if (QPixmapCache::cacheLimit() < n)
             QPixmapCache::setCacheLimit(n);