diff -r 56cd8111b7f7 -r 41300fa6a67c src/gui/image/qpixmap_raster.cpp
--- a/src/gui/image/qpixmap_raster.cpp	Tue Jan 26 12:42:25 2010 +0200
+++ b/src/gui/image/qpixmap_raster.cpp	Tue Feb 02 00:43:10 2010 +0200
@@ -119,7 +119,7 @@
     is_null = (w <= 0 || h <= 0);
 
     if (pixelType() == BitmapType && !image.isNull()) {
-        image.setNumColors(2);
+        image.setColorCount(2);
         image.setColor(0, QColor(Qt::color0).rgba());
         image.setColor(1, QColor(Qt::color1).rgba());
     }