diff -r 56cd8111b7f7 -r 41300fa6a67c src/gui/painting/qpdf.cpp
--- a/src/gui/painting/qpdf.cpp	Tue Jan 26 12:42:25 2010 +0200
+++ b/src/gui/painting/qpdf.cpp	Tue Feb 02 00:43:10 2010 +0200
@@ -78,8 +78,8 @@
     unsigned int ival = (unsigned int) val;
     qreal frac = val - (qreal)ival;
 
-    int ifrac = (int)(frac * 1000000);
-    if (ifrac == 1000000) {
+    int ifrac = (int)(frac * 1000000000);
+    if (ifrac == 1000000000) {
         ++ival;
         ifrac = 0;
     }
@@ -90,7 +90,7 @@
         ++i;
         ival /= 10;
     }
-    int fact = 100000;
+    int fact = 100000000;
     if (i == 0) {
         *(buf++) = '0';
     } else {
@@ -145,7 +145,7 @@
             fileBackingActive(false),
             handleDirty(false)
     {
-        dev->open(QIODevice::ReadWrite);
+        dev->open(QIODevice::ReadWrite | QIODevice::Append);
     }
 
     ByteStream::ByteStream(bool fileBacking)