myimage.java

郑州市公交线路管理查询系统

package com.ljz.gongJiaoSearch;
import javax.swing.*;
import java.net.*;
import java.awt.*;
import java.io.Serializable;
public class MyImage extends JPanel implements Serializable{
	private Image img;
	private String imgName;
	private boolean stretched;
	private int x;
	private int y;
	public MyImage(String name){
		this.setImgName(name);
	}
	public static Image creatImage(String imgName,Object obj){
		URL url=obj.getClass().getResource(imgName);
		return new ImageIcon(url).getImage();
	}
	protected void paintComponent(Graphics g){
		super.paintComponent(g);
		if(img!=null)
			g.drawImage(img,0,0,this.getWidth(),this.getHeight(),this);
	}
	public void setImgName(String s){
		this.imgName=s;
		img=this.creatImage(s,this);
		repaint();
		
	}
	public void repaint(Graphics g){
		super.paintComponent(g);
		if(img!=null)
			g.drawImage(img,0,0,this.getWidth(),this.getHeight(),this);
	}
}