diff -r 56cd8111b7f7 -r 41300fa6a67c src/gui/image/qimagepixmapcleanuphooks_p.h
--- a/src/gui/image/qimagepixmapcleanuphooks_p.h	Tue Jan 26 12:42:25 2010 +0200
+++ b/src/gui/image/qimagepixmapcleanuphooks_p.h	Tue Feb 02 00:43:10 2010 +0200
@@ -61,14 +61,15 @@
 typedef void (*_qt_pixmap_cleanup_hook_pm)(QPixmap*);
 
 class QImagePixmapCleanupHooks;
-extern QImagePixmapCleanupHooks* qt_image_and_pixmap_cleanup_hooks;
 
 class Q_GUI_EXPORT QImagePixmapCleanupHooks
 {
 public:
-    QImagePixmapCleanupHooks();
+    static QImagePixmapCleanupHooks *instance();
 
-    static QImagePixmapCleanupHooks *instance();
+    static void enableCleanupHooks(const QImage &image);
+    static void enableCleanupHooks(const QPixmap &pixmap);
+    static void enableCleanupHooks(QPixmapData *pixmapData);
 
     // Gets called when a pixmap is about to be modified:
     void addPixmapModificationHook(_qt_pixmap_cleanup_hook_pm);