java中裁剪图（处理位图）

package test;

import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.GridLayout;
import java.awt.Image;
import java.awt.Point;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.awt.image.CropImageFilter;
import java.awt.image.FilteredImageSource;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;

import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;
import javax.swing.Timer;

public class GetImage implements ActionListener{
	JFrame jf=null;
	Image image=null;
	JPanel jp=null;
	Toolkit tool;
	JLabel jb=null;
	Point xy=new Point(0,0);
	int currentFrame=2;
	int countFrame=7;
	int direction=0;
	int singleActionWidth=80;
	int singleActionHeight=91;
	Timer uiTimer;
	int speed=50;
	JTextField jfiled;
	public GetImage(){
		jp=new JPanel();
		jf=new JFrame("rpg ha");
		jb=new JLabel("exportImage");
		
		jp.add(jb,BorderLayout.NORTH);
		JPanel buttons=new JPanel();
		buttons.setLayout(new GridLayout(3,4));
		
		JButton jb1=new MyButton("上",3);
		JButton jb2=new MyButton("下",0);
		MyButton jb3=new MyButton("左",1);
		MyButton jb4=new MyButton("右",2);
		MyButton jb5=new MyButton("左上",6);
		MyButton jb6=new MyButton("左下",4);
		MyButton jb7=new MyButton("右上",7);
		MyButton jb8=new MyButton("右下",5);
		//MyButton jb9=new MyButton("停止",9);
		
		jfiled=new JTextField(this.speed);
		jfiled.addPropertyChangeListener(new PropertyChangeListener(){

			@Override
			public void propertyChange(PropertyChangeEvent evt) {
				try {
					speed=Integer.parseInt(GetImage.this.jfiled.getText());
				} catch (NumberFormatException e) {
					//jfiled.setText("请输入正确的整数");
					e.printStackTrace();
				}
				
			}
			
		});
		addButtons(buttons,jb1,jb2,jb3,jb4,jb5,jb6,jb7,jb8);
		
		JButton jb9=new JButton("行走");
		JButton jb10=new JButton("停止");
		
		buttons.add(jb9);
		buttons.add(jb10);
	//	buttons.add(this.jfiled);
		jb9.addActionListener(new ActionListener(){

			@Override
			public void actionPerformed(ActionEvent e) {
				GetImage.this.walk();
			}
			
		});
		jb10.addActionListener(new ActionListener(){

			@Override
			public void actionPerformed(ActionEvent e) {
					stop();
			}
			
		});
			
		
		
		jp.add(buttons,BorderLayout.CENTER);
		jf.add(jp,BorderLayout.CENTER);
		jp.setToolTipText("hello");
		this.tool=Toolkit.getDefaultToolkit();
		image=Toolkit.getDefaultToolkit().createImage("E:\\test\\part1\\javaImage\\src\\h1.png");
		
		//imageAction();
		//cutImage();
		initTimer();
	}
	public void addButtons(JPanel ct,Component ...args){
		for(Component cpc:args){
			ct.add(cpc);
			
			cpc.addMouseListener(new MouseAdapter(){
				
				public void mouseClicked(MouseEvent e){
					System.out.println("click");
					MyButton jb=(MyButton) e.getComponent();
					GetImage.this.direction=jb.direction;
					
				}
			});
		}
	}
	public void imageAction(){
		
		Runnable action=new Runnable(){

			@Override
			public void run() {
				while(true){
					currentFrame=currentFrame+1;
				    if(currentFrame>countFrame){
						currentFrame=0;
				    }
				    	cutImage();
				
			    	try {
					   Thread.sleep(50);
			      	} catch (InterruptedException e) {
					
				    	e.printStackTrace();
			    	}
				}
				
			}
		};
		Thread tr=new Thread(action);
		tr.start();
		
		
	}
	
	public void cutImage(){
	
		CropImageFilter cif=new CropImageFilter(singleActionWidth*currentFrame, this.direction*singleActionHeight, singleActionWidth,singleActionHeight);
		
		FilteredImageSource fis=new FilteredImageSource(this.image.getSource(),cif);
		Image newImage=tool.createImage(fis);//类似flex copypiely
		ImageIcon newIcon=new ImageIcon();
		newIcon.setImage(newImage);
		
		jb.setIcon(newIcon);
		
		
	}
	
	public void initTimer(){
		this.uiTimer=new Timer(speed,this);
		this.uiTimer.start();
	}
	public void walk(){
		if(!uiTimer.isRunning()){
			uiTimer.start();
		}
	}
	public void stop(){
		if(uiTimer.isRunning()){
			uiTimer.stop();
		}
	}
	public void show(){
		jf.setVisible(true);
		jf.setSize(400, 400);
		jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	}
	public static void main(String args[]){
		GetImage gi=new GetImage();
		gi.show();
		
	}
	@Override
	public void actionPerformed(ActionEvent e) {
		currentFrame=currentFrame+1;
	    if(currentFrame>countFrame){
			currentFrame=0;
	    }
	    	cutImage();	
	}
	
}
class MyButton extends JButton{
	int direction=0;
	boolean addAction=true;
	public MyButton(String name,int direction){
		this(name,direction,true);
	}
	public MyButton(String name,int direction,boolean addAction){
		super(name);
		this.direction=direction;
		this.addAction=addAction;
	}
}