Printing a form made with components on a JPanel
1 posts in topic
Flat View  Flat View
TOPIC ACTIONS:
 

Posted By:   Rajive_Jain
Posted On:   Tuesday, September 3, 2002 02:34 AM

Hi - I have made a form using JTextField and JLabel components etc. on a JPanel (using absolute positioning). I would like to print this form now as a paper-based form of what I see on screen. Is this possible, and if so what is the way. Thanks for your help.

Re: Printing a form made with components on a JPanel

Posted By:   Anonymous  
Posted On:   Thursday, September 5, 2002 03:10 AM


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

/* theCompnent is the frame or panel or ani thing u want to print.
use following code in ur program
* PrintUtilities printHelper = new PrintUtilities(theComponent);
*
* then later do printHelper.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();
} catch(PrinterException pe) {
System.out.println("Error printing: " + pe);
}
}

public int print(Graphics g, PageFormat pageFormat, int pageIndex) {
if (pageIndex > 0) {
return(NO_SUCH_PAGE);
} else {
Graphics2D g2d = (Graphics2D)g;
g2d.translate(pageFormat.getImageableX(), pageFormat.getImageableY());
disableDoubleBuffering(componentToBePrinted);
componentToBePrinted.paint(g2d);
enableDoubleBuffering(componentToBePrinted);
return(PAGE_EXISTS);
}
}

/** The speed and quality of printing suffers dramatically if
* any of the containers have double buffering turned on.
* So this turns if off globally.
* @see enableDoubleBuffering
*/
public static void disableDoubleBuffering(Component c) {
RepaintManager currentManager = RepaintManager.currentManager(c);
currentManager.setDoubleBufferingEnabled(false);
}

/** Re-enables double buffering globally. */

public static void enableDoubleBuffering(Component c) {
RepaintManager currentManager = RepaintManager.currentManager(c);
currentManager.setDoubleBufferingEnabled(true);
}
}
About | Sitemap | Contact