code: private void writeAffineTransform (final AffineTransform transform) throws IOException
    {
      final double [] values = new double [6];
      transform.getMatrix (values);
      for (final double v : values)
      {
        writeOperand ((float) v);
      }
    }
docs: Writes an AffineTransform to the content stream as an array.
  
  @param transform
  the transform to use
  @throws IOException
  In case of IO error