PrintUtilities.java

import java.awt.*;
import javax.swing.*;
import java.awt.print.*;

public class PrintUtilities implements Printable
{
	private Component componentToBePrinted;

  	public static void printComponent(Component c)
  	{
    	new PrintUtilities(c).print();
  	}

  	public PrintUtilities(Component componentToBePrinted)
  	{
  		this.componentToBePrinted = componentToBePrinted;
  	}
	
	public void print()
	{
	    PrinterJob printJob = PrinterJob.getPrinterJob();
	    printJob.setPrintable(this);
	    if (printJob.printDialog())
	    {
		    try
		    {
		        printJob.print();
		        JOptionPane.showMessageDialog(null, "Form Printed");
		    }
		    catch (PrinterException pe)
		    {
		    	JOptionPane.showMessageDialog(null, "Error printing form");
		    }
	    }
	}
	
	public int print(Graphics g, PageFormat pf, int pageIndex)
	{
	    int response = NO_SUCH_PAGE;
	
	    Graphics2D g2 = (Graphics2D) g;
	
	    disableDoubleBuffering(componentToBePrinted);
	
	    Dimension d = componentToBePrinted.getSize();
	    double panelWidth = d.width;
	    double panelHeight = d.height;
	
	    double pageHeight = pf.getImageableHeight();
	    double pageWidth = pf.getImageableWidth();
	
	    double scale = (pageWidth / panelWidth) * 0.88;
	    int totalNumPages = (int) Math.ceil(scale * panelHeight / pageHeight);
	
	    if (pageIndex >= totalNumPages)
	    {
	    	response = NO_SUCH_PAGE;
	    }
	    else
	    {
	      g2.translate(pf.getImageableX(), pf.getImageableY());
	
	      g2.translate(0f, -pageIndex * pageHeight);
	
	      g2.scale(scale, scale);
	
	      componentToBePrinted.paint(g2);
	
	      enableDoubleBuffering(componentToBePrinted);
	      response = Printable.PAGE_EXISTS;
	    }
	    return response;
	}
	
	public static void disableDoubleBuffering(Component c)
	{
	    RepaintManager currentManager = RepaintManager.currentManager(c);
	    currentManager.setDoubleBufferingEnabled(false);
	}
	
	public static void enableDoubleBuffering(Component c)
	{
	    RepaintManager currentManager = RepaintManager.currentManager(c);
	    currentManager.setDoubleBufferingEnabled(true);
	}
}