diff -r b72c6db6890b -r 5dc02b23752f src/gui/text/qtextengine_p.h
--- a/src/gui/text/qtextengine_p.h	Wed Jun 23 19:07:03 2010 +0300
+++ b/src/gui/text/qtextengine_p.h	Tue Jul 06 15:10:48 2010 +0300
@@ -389,7 +389,7 @@
     mutable uint gridfitted : 1;
     uint hasTrailingSpaces : 1;
     uint leadingIncluded : 1;
-    QFixed height() const { return ascent + descent + 1
+    QFixed height() const { return (ascent + descent).ceil() + 1
                             + (leadingIncluded?  qMax(QFixed(),leading) : QFixed()); }
     QFixed base() const { return ascent
                           + (leadingIncluded ? qMax(QFixed(),leading) : QFixed()); }