16. 47. 1. 全屏操作 Full screen mode

import java.awt.Frame; import java.awt.Graphics; import java.awt.GraphicsDevice; import java.awt.GraphicsEnvironment; import java.awt.Window; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.awt.image.BufferedImage; import java.io.File; import javax.imageio.ImageIO; //Window 对象是一个没有边界和菜单栏的顶层窗口。窗口的默认布局是 BorderLayout。 public class FullScreenTest extends Window{ private BufferedImage pic;//具有可访问图像数据缓冲区的 Image。 public static void main(String[] args) { //GraphicsEnvironment在特定平台上可用的 GraphicsDevice 对象和 Font 对象的集合。 GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment(); //GraphicsDevice可以在特定图形环境中使用的图形设备。这些设备包括屏幕和打印机设备。 GraphicsDevice screen = ge.getDefaultScreenDevice(); screen.setFullScreenWindow(null); if(!screen.isFullScreenSupported()){//本机是否支持全屏 System.out.println("不支持全屏"); System.exit(1); } try{ BufferedImage loadepic = ImageIO.read(new File("D:\\mm\\mm.jpg")); screen.setFullScreenWindow(new FullScreenTest(loadepic)); }catch(Exception e){ e.printStackTrace(); } } public FullScreenTest(BufferedImage pic){ super(new Frame()); this.pic = pic; addMouseListener(new MouseAdapter() {//鼠标点后退出 public void mouseClicked(MouseEvent e) { System.exit(0); } }); } public void paint(Graphics g){ g.drawImage(pic, 0, 0, getWidth(), getHeight(), this); } }