code: public void drawImage (final PDImageXObject image, final float x, final float y) throws IOException
    {
      drawImage (image, x, y, image.getWidth (), image.getHeight ());
    }
docs: Draw an image at the x,y coordinates, with the default size of the image.
  
  @param image
  The image to draw.
  @param x
  The x-coordinate to draw the image.
  @param y
  The y-coordinate to draw the image.
  @throws IOException
  If there is an error writing to the stream.