Re: Graphics2D in a DefaultStyleDocument

Knute Johnson <>
Sun, 21 Feb 2010 20:10:59 -0800
On 2/21/2010 7:45 PM, Elliot wrote:

If you are already drawing it to print, just draw it on a JComponent of
some variety. I do that all the time for print preview only in reverse.

Are you saying to extend JComponent in my print() method?

No. What I'm saying is to use the code in your current print() method
to draw on a JComponent. In the example below, the method draw() is
used to draw on the JPanel as well as in the print() method to draw on
paper. Needless to say, I have left out printing margins and PageFormat
and all of that.

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

public class test4 extends JPanel implements Printable {
     public test4() {
         setPreferredSize(new Dimension(400,300));

     public void paintComponent(Graphics g) {

     public void draw(Graphics g) {

     public int print(Graphics g, PageFormat pf, int index) {
         if (index == 0) {
             return Printable.PAGE_EXISTS;
         } else
             return Printable.NO_SUCH_PAGE;

     public static void main(String[] args) {
         EventQueue.invokeLater(new Runnable() {
             public void run() {
                 JFrame f = new JFrame();
                 final test4 t4 = new test4();
                 JButton b = new JButton("Print");
                 b.addActionListener(new ActionListener() {
                     public void actionPerformed(ActionEvent ae) {
                         PrinterJob pj = PrinterJob.getPrinterJob();
                         if (pj.printDialog())
                             try {
                             } catch (PrinterException pe) {


Knute Johnson
email s/nospam/knute2010/

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