Re: Question about Full screen exclusive mode

From:
Soren <javaguy@tlen.pl>
Newsgroups:
comp.lang.java.programmer
Date:
Mon, 04 Dec 2006 17:14:05 +0100
Message-ID:
<el1lfo$m2n$1@mx1.internetia.pl>
I tryied to prepare working SSCCE version
and made it as shorter as i could.
I hope it will work ;]
There are 2 files
    - Test( with main method ) 42 lines
    - ScreenManager 52 lines

----------------- Test.java ------------------
public class Test
{
    ScreenManager screen = null;
    java.awt.DisplayMode oldMode = null;
    java.awt.DisplayMode testedMode = null;

    private Test()
    {
        screen = new ScreenManager();
    }

    public static void main( String[] args ) {
        Test.Run( 1024, 768, 32, 70);
        Test.Run( 1280, 960, 32, 70);
    }

    public static void Run( int width, int height, int bitDepth, int
refreshRate )
    {
        Test test = new Test();;
        test.testedMode = new java.awt.DisplayMode( width, height, bitDepth,
refreshRate );
        test.oldMode = test.screen.getCurrentDisplayMode();
        try
        {
            test.screen.setFullScreen( test.testedMode );
            try
            {
                Thread.sleep( 5000 );
            }catch( InterruptedException ex ) { /*...*/ }
        }
        catch( Throwable t )
        {
            t.printStackTrace( System.err );
        }
        finally
        {
            test.screen.restoreScreen();
            test.screen.setFullScreen( test.oldMode );
            test.screen.restoreScreen();
        }
    }

}
----------------- Test.java ---------------------------
and...
----------------- ScreenManager.java ------------------
import java.awt.DisplayMode;
import java.awt.GraphicsDevice;
import java.awt.*;
import java.awt.GraphicsEnvironment;
import javax.swing.JFrame;

public class ScreenManager {
    private GraphicsDevice device;
    private DisplayMode basicMode;

    public ScreenManager() {
    GraphicsEnvironment environment =
    GraphicsEnvironment.getLocalGraphicsEnvironment();
    device = environment.getDefaultScreenDevice();
    basicMode = device.getDisplayMode();
    }

    public DisplayMode getCurrentDisplayMode() {
    return device.getDisplayMode();
    }

    public void setFullScreen(DisplayMode displayMode) {
    JFrame frame = new JFrame();
    frame.setUndecorated(true);
    frame.setIgnoreRepaint(true);
    frame.setResizable(false);
    device.setFullScreenWindow(frame);

    if (displayMode != null &&
    device.isDisplayChangeSupported())
    {
    try {
    device.setDisplayMode(displayMode);
    }
    catch (IllegalArgumentException ex) { }
    }
    frame.createBufferStrategy(2);
    }

    public Window getFullScreenWindow() {
    return device.getFullScreenWindow();
    }

    public void restoreScreen() {
    device.setDisplayMode( basicMode );
    Window window = device.getFullScreenWindow();
    if (window != null) {
    window.dispose();
    }
    device.setFullScreenWindow( null );
    }
}
----------------- ScreenManager.java ------------------

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