?? staticgenerator.java
字號:
//file: StaticGenerator.javaimport java.awt.*;import java.awt.event.*;import java.awt.image.*;import java.util.Random;import javax.swing.*;public class StaticGenerator extends JComponent implements Runnable { byte[] data; BufferedImage image; Random random; public void initialize( ) { int w = getSize().width, h = getSize( ).height; int length = ((w + 7) * h) / 8; data = new byte[length]; DataBuffer db = new DataBufferByte(data, length); WritableRaster wr = Raster.createPackedRaster(db, w, h, 1, null); ColorModel cm = new IndexColorModel(1, 2, new byte[] { (byte)0, (byte)255 }, new byte[] { (byte)0, (byte)255 }, new byte[] { (byte)0, (byte)255 }); image = new BufferedImage(cm, wr, false, null); random = new Random( ); new Thread(this).start( ); } public void run( ) { while (true) { random.nextBytes(data); repaint( ); try { Thread.sleep(1000 / 24); } catch( InterruptedException e ) { /* die */ } } } public void paint(Graphics g) { if (image == null) initialize( ); g.drawImage(image, 0, 0, this); } public static void main(String[] args) { JFrame f = new JFrame("StaticGenerator"); f.getContentPane().add(new StaticGenerator( )); f.setSize(300, 300); f.setLocation(100, 100); f.addWindowListener(new WindowAdapter( ) { public void windowClosing(WindowEvent e) { System.exit(0); } }); f.setVisible(true); }}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -