Ticket #743: patch2.diff

src/org/openstreetmap/josm/data/osm/visitor/MapPaintVisitor.java

@@ -403 +403 @@
                 int y = (p1.y+p2.y)/2 + 4;
 
                 Rectangle screen = g.getClipBounds();
-                if (screen.contains(x,y)) {
+                if (screen != null && screen.contains(x,y)) {
                         Color c = g.getColor();
                         g.setColor(backgroundColor);
                         g.fillRect(x-1, y-12, 8*strlen+1, 14);