@Override
  public int print(Graphics g, PageFormat pf, int page) throws PrinterException {
    if (page > 0) {
      return NO_SUCH_PAGE;
    }

    int i = pf.getOrientation();

    // get the size of the page
    double pageWidth = pf.getImageableWidth();
    double pageHeight = pf.getImageableHeight();
    double myWidth = this.getWidth(); // - borderWidth * 2;
    double myHeight = this.getHeight(); // - borderWidth * 2;
    double scaleX = pageWidth / myWidth;
    double scaleY = pageHeight / myHeight;
    double minScale = Math.min(scaleX, scaleY);

    Graphics2D g2d = (Graphics2D) g;
    g2d.translate(pf.getImageableX(), pf.getImageableY());
    g2d.scale(minScale, minScale);

    drawPlot(g);

    return PAGE_EXISTS;
  }
 /** This method is required to implement the Printable interface */
 public int print(Graphics g, PageFormat pageFormat, int pageIndex) throws PrinterException {
   if (pageIndex >= 1) {
     return NO_SUCH_PAGE;
   }
   Graphics2D g2 = (Graphics2D) g;
   Dimension cs = printTarget.getSize();
   g2.translate(pageFormat.getImageableX(), pageFormat.getImageableY());
   double imageableWidth = pageFormat.getImageableWidth();
   double imageableHeight = pageFormat.getImageableHeight();
   double scale = 1;
   if (cs.width >= imageableWidth) {
     scale = imageableWidth / cs.width;
   }
   g2.scale(scale, scale);
   // g2.translate((imageableWidth - cs.width)*scale/2,
   //             (imageableHeight - cs.height)*scale/2);
   printTarget.paintAll(g2);
   return Printable.PAGE_EXISTS;
 }