SimpleScreenManager

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

/**
The SimpleScreenManager class manages initializing and
displaying full screen graphics modes.
*/
public class SimpleScreenManager {

private GraphicsDevice device;

/**
Creates a new SimpleScreenManager object.
*/
public SimpleScreenManager() {
GraphicsEnvironment environment =
GraphicsEnvironment.getLocalGraphicsEnvironment();
device = environment.getDefaultScreenDevice();
}


/**
Enters full screen mode and changes the display mode.
*/
public void setFullScreen(DisplayMode displayMode,
JFrame window)
{
window.setUndecorated(true);
window.setResizable(false);

device.setFullScreenWindow(window);
if (displayMode != null &&
device.isDisplayChangeSupported())
{
try {
device.setDisplayMode(displayMode);
}
catch (IllegalArgumentException ex) {
// ignore - illegal mode for this device
}
}
}


/**
Returns the window currently used in full screen mode.
*/
public Window getFullScreenWindow() {
return device.getFullScreenWindow();
}


/**
Restores the screen's display mode.
*/
public void restoreScreen() {
Window window = device.getFullScreenWindow();
if (window != null) {
window.dispose();
}
device.setFullScreenWindow(null);
}

}