Simple demo main program.
final JFrame f = new JFrame("Printing Test Dummy Frame");
// Construct the object we want to print. Contrived:
// this object would already exist in a real program.
final GfxDemoCanvas thing = new GfxDemoCanvas(500, 300);
f.getContentPane().add(thing, BorderLayout.CENTER);
JButton printButton = new JButton("Print");
f.getContentPane().add(printButton, BorderLayout.SOUTH);
printButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
PrintJob pjob = Toolkit.getDefaultToolkit().getPrintJob(f,
"Printing Test", null);
if (pjob == null)
return; // user cancelled
// Fetch the Print Graphics object
Graphics pg = pjob.getGraphics();
// Now (drum roll please), ask "thing" to paint itself
// on the printer, by calling its paint() method with
// a Printjob Graphics instead of a Window Graphics.
thing.paint(pg);
pg.dispose(); // end of this page
pjob.end(); // end of print job.
}
});
f.pack();
f.setVisible(true);
