public void readEMFRecord(Record rec) throws IOException {
   m_xExt = rec.getIntAt(EMF_X_OFFSET);
   m_yExt = rec.getIntAt(EMF_Y_OFFSET);
 }
 public void readWMFRecord(Record rec) throws IOException {
   m_xExt = rec.getShortAt(WMF_X_OFFSET);
   m_yExt = rec.getShortAt(WMF_Y_OFFSET);
 }