src/com/lzw/SendImageThread.java

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/**
 * 
 */
package com.lzw;

import java.awt.AWTException;
import java.awt.Dimension;
import java.awt.Image;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.image.BufferedImage;
import java.io.*;
import java.net.Socket;

import javax.swing.*;

import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGEncodeParam;
import com.sun.image.codec.jpeg.JPEGImageEncoder;

class SendImageThread implements Runnable {
	/**
	 * 
	 */
	private final MainFrame frame;
	private Socket socket;

	Dimension screenSize;
	private Rectangle rectangle;
	Robot robot;
	private BufferedImage image;

	/**
	 * @param mainFrame
	 * @param socket
	 */
	SendImageThread(MainFrame mainFrame, Socket socket) {
		frame = mainFrame;
		this.socket = socket;
		try {
			socket.setSendBufferSize(1024 * 1024);
			socket.setTcpNoDelay(true);
			socket.setOOBInline(true);
			robot = new Robot();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	public void run() {
		Toolkit toolkit = Toolkit.getDefaultToolkit(); // 获取工具类的实例对象
		screenSize = toolkit.getScreenSize(); // 获取屏幕大小
		rectangle = new Rectangle(screenSize); // 创建屏幕大小的矩形对象
		OutputStream outputStream = null;
		BufferedOutputStream bout = null;
		try {
			outputStream = socket.getOutputStream(); // 获取网络输出流
			bout = new BufferedOutputStream(outputStream);// 创建带缓冲的网络输出流
		} catch (Exception e1) {