|
import java.awt.Color;
import java.awt.DisplayMode;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.Rectangle;
import java.awt.image.BufferStrategy;
public class FullScreen {
private static int counter = 0;
private static final int MAX = 50;
private static DisplayMode MODES[] = new DisplayMode[] {
new DisplayMode(640, 480, 32, 0), new DisplayMode(640, 480, 16, 0),
new DisplayMode(640, 480, 8, 0) };
private static DisplayMode getBestDisplayMode(GraphicsDevice device) {
for (int x = 0, xn = MODES.length; x < xn; x++) {
DisplayMode[] modes = device.getDisplayModes();
for (int i = 0, in = modes.length; i < in; i++) {
if (modes[i].getWidth() == MODES[x].getWidth()
&& modes[i].getHeight() == MODES[x].getHeight()
&& modes[i].getBitDepth() == MODES[x].getBitDepth()) {
return MODES[x];
}
}
}
return null;
}
public static void main(String args[]) {
GraphicsEnvironment graphicsEnvironment = GraphicsEnvironment
.getLocalGraphicsEnvironment();
GraphicsDevice graphicsDevice = graphicsEnvironment
.getDefaultScreenDevice();
DisplayMode originalDisplayMode = graphicsDevice.getDisplayMode();
try {
Frame frame = new Frame();
frame.setUndecorated(true);
frame.setIgnoreRepaint(true);
graphicsDevice.setFullScreenWindow(frame);
if (graphicsDevice.isDisplayChangeSupported()) {
graphicsDevice
.setDisplayMode(getBestDisplayMode(graphicsDevice));
}
frame.createBufferStrategy(2); // 2 buffers
Rectangle bounds = frame.getBounds();
BufferStrategy bufferStrategy = frame.getBufferStrategy();
while (!done()) {
Graphics g = null;
try {
g = bufferStrategy.getDrawGraphics();
if ((counter <= 2)) { // 2 buffers
g.setColor(Color.CYAN);
g.fillRect(0, 0, bounds.width, bounds.height);
}
g.setColor(Color.RED);
// redraw prior line, too, since 2 buffers
if (counter != 1) {
g.drawLine(counter - 1, (counter - 1) * 5,
bounds.width, bounds.height);
}
g.drawLine(counter, counter * 5, bounds.width,
bounds.height);
bufferStrategy.show();
} finally {
if (g != null) {
g.dispose();
}
}
try {
Thread.sleep(250);
} catch (InterruptedException ignored) {
}
}
} finally {
graphicsDevice.setDisplayMode(originalDisplayMode);
graphicsDevice.setFullScreenWindow(null);
}
System.exit(0);
}
private static boolean done() {
return (counter++ == MAX);
}
}
|
