package bin;

import java.lang.*;
import java.lang.Math;
import java.util.*;
import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import javax.swing.*;
import java.io.File;
import java.io.FileOutputStream;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.image.BufferedImage;
import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGImageEncoder;

  //在面板上顯示圖像
public class ImagePanel extends JPanel 
{
		private BufferedImage captureImage;//刷新用的圖像
		
		//初始化
		ImagePanel(BufferedImage captureImage){
			this.captureImage=captureImage;
		}
		ImagePanel(){captureImage=null;}
		//重新設置圖像
		public void setImage(BufferedImage captureImage){
			this.captureImage=captureImage;
		}
		
		//更新圖像
		public void update(Graphics g)
        {
        	if (captureImage != null)
       		{
           		g.drawImage(captureImage, 0, 0, this);
        	}
    	}
    	
    	public void paint(Graphics g)
    	{
        	update(g);
    	}
}