animal.java

《Java课程设计》第二版

import javax.swing.*;
import java.awt.*;
import java.io.*;
public class Animal extends JPanel{
   Point point;
   boolean isLeft;
   Toolkit tool;
   File leftImage,rightImage; 
   Animal(){
       tool=getToolkit();
   }
   public void setLeftImage(File f){
       leftImage=f;
   }
 
   public void setRightImage(File f){
       rightImage=f;
   }
   public void setIsLeft(boolean boo){
       isLeft=boo;
   }
   public boolean  getIsLeft(){
       return isLeft;
   }
   public void setAtPoint(Point p){
      point=p;
   }
   public Point getAtPoint(){
      return point;
   }
   public void paintComponent(Graphics g){
      super.paintComponent(g);  
      int w=getBounds().width;
      int h=getBounds().height;
      try{ 
         if(isLeft==true){
            Image image=tool.getImage(leftImage.toURI().toURL());    
            g.drawImage(image,0,0,w,h,this);
         }
         else{       
            Image image=tool.getImage(rightImage.toURI().toURL());
            g.drawImage(image,0,0,w,h,this); 
         }
      }
      catch(Exception exp){}
   }

}