Java全屏带分辨率设置

import java.awt.Color;
import java.awt.DisplayMode;
import java.awt.Font;
import java.awt.Graphics;
import javax.swing.JFrame;

public class FullScreenTest extends JFrame {

    public static void main(String[] args) {

        DisplayMode displayMode;

        if (args.length == 3) {
            displayMode = new DisplayMode(
                Integer.parseInt(args[0]),
                Integer.parseInt(args[1]),
                Integer.parseInt(args[2]),
                DisplayMode.REFRESH_RATE_UNKNOWN);
        }
        else {
            displayMode = new DisplayMode(800, 600, 16,
                DisplayMode.REFRESH_RATE_UNKNOWN);
        }

        FullScreenTest test = new FullScreenTest();
        test.run(displayMode);
    }

    private static final long DEMO_TIME = 5000;


    public void run(DisplayMode displayMode) {
        setBackground(Color.blue);
        setForeground(Color.white);
        setFont(new Font("Dialog", Font.PLAIN, 24));

        SimpleScreenManager screen = new SimpleScreenManager();
        try {
            screen.setFullScreen(displayMode, this);
            try {
                Thread.sleep(DEMO_TIME);
            }
            catch (InterruptedException ex) { }
        }
        finally {
             screen.restoreScreen();
        }
    }

    public void paint(Graphics g) {
        g.drawString("Hello World!", 20, 50);
    }
}

 

import java.awt.DisplayMode;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.Window;
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);
	}

}

 

总共两个类