http://blog.csdn.net/njchenyi/article/details/447554

 

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2005-08-07 10:07 4739人阅读 (2)  

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JAVA（158） 

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//记录屏幕、类似录像

package com.wnetw.project.media;

 

import java.awt.*;

import java.awt.image.*;

import com.sun.image.codec.jpeg.*;

import java.io.*;

 

public class WnetWScreenRecorder extends Thread{

  private Dimension screenSize;

  private Rectangle rectangle;

  private Robot robot;

  private long i = 0;

  private JPEGImageEncoder encoder;

 

  public WnetWScreenRecord() {

    screenSize = Toolkit.getDefaultToolkit().getScreenSize();

    rectangle = new Rectangle(screenSize);//可以指定捕获屏幕区域

    try{

      robot = new Robot();

    }catch(Exception e){

      e.printStackTrace();

      System.out.println(e);

    }

  }

 

  public static void main(String[] args) {

    new WnetWScreenRecord().start();

  }

 

  public void run(){

    FileOutputStream fos = null;

    while (true){

      try{

        BufferedImage image = robot.createScreenCapture(rectangle);//捕获制定屏幕矩形区域

        fos = new FileOutputStream("C://records//" + i + ".jpg");

        JPEGCodec.createJPEGEncoder(fos).encode(image);//图像编码成JPEG

        fos.close();

        i = i + 1;

        Thread.sleep(40);//每秒25帧

      }catch(Exception e){

        e.printStackTrace();

        System.out.println(e);

        try{

          if (fos != null)fos.close();

        }catch(Exception e1){}

      }

    }

  }

}

 

//播放屏幕录像

package com.wnetw.project.media;

import java.awt.*;

import javax.swing.*;

import java.io.*;

public class WnetWScreenRecordPlayer extends JFrame{

  BorderLayout borderLayout1 = new BorderLayout();

  Dimension screenSize;

  public WnetWScreenRecordPlayer() {

 super();

    screenSize = Toolkit.getDefaultToolkit().getScreenSize();

    this.setSize(screenSize);

    Screen p = new Screen();

    Container c = this.getContentPane();

    c.setLayout(borderLayout1);

    c.add(p,"Center");

    new Thread(p).start();

    this.show();

  }

  public static void main(String[] args){

    new WnetWScreenRecordPlayer();

  }

}

class Screen extends JPanel implements Runnable{

  private BorderLayout borderLayout1 = new BorderLayout();

  private Image cimage;

  public void run(){

 int i = 0;

    while(true){

      try{

        cimage = loadImage(i + ".jpg");

        i = i + 1;

        repaint();

        Thread.sleep(40);//与录像时每秒帧数一致

      }catch(Exception e){

        e.printStackTrace();

        System.out.println(e);

      }

    }

  }

  public Image loadImage(String name) {

    Toolkit tk = Toolkit.getDefaultToolkit();

    Image image = null;

    image = tk.getImage("C:/records/" + name);

    MediaTracker mt = new MediaTracker(this);

    mt.addImage(image, 0);

    try {

      mt.waitForID(0);

    }catch (Exception e) {

      e.printStackTrace();

      System.out.println(e);

    }

    return image;

  }

  public Screen() {

    super();

    this.setLayout(null);

  }

  public void paint(Graphics g){

    super.paint(g);

    Graphics2D g2 = (Graphics2D) g;

    g2.drawImage(cimage, 0, 0, null);

  }

}