PDF documents are not correctly written out.

#include <QtGui>

int main(int argc, char *argv[])
{
   QApplication app(argc, argv);
   QPrinter printer;
   QPrintDialog printDialog(&printer, 0);
   if (printDialog.exec() == QDialog::Accepted) {
      QPainter painter(&printer);
      painter.setPen(Qt::green); 
      painter.setBrush(QBrush(Qt::red));
      painter.drawRect(QRectF(0.0, 0.0, 10.0, 10.0));
      painter.setMatrix(QMatrix(100000000000.0, 0.0, 0.0, 100000000000.0, 0.0, 0.0));
      painter.setPen(Qt::blue); 
      painter.setBrush(QBrush(Qt::yellow));
      painter.drawRect(QRectF(0.0000000002, 0.0, 0.0000000001, 0.0000000001));
      painter.setPen(Qt::blue);
      painter.setBrush(QBrush(Qt::black));
      painter.drawRect(QRectF(0.0000000004, 0.0, 0.0000000001, 0.0000000001));
      painter.end();
   }
   return 0;
}