import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import javax.io.IOException;

public class SpriteTest extends MIDlet implements CommandListener,Runnable{
 private static int SHIP_FRAME_WIDTH=16;
 private static int SHIP_FRAME_HEIGHT=16;

 private MyCanvas myCanvas;
 private Command quit;
 private Image[] shipFrames;
 private boolean running;
 private int currentFrame;

class MyCanvas extends Canvas{
 protected void paint(Graphics graphics){
 graphics.setColor(0);
 graphics.fillRect(0,0,getWidth(),getHeight());
 
 graphics.drawImage(shipFrames[currentFrame],getWidth()/2,getHeight

()/2,Graphics.HCENTER|Graphics.VCENTER);
              }
        }
 public SpriteTest()
{
 try{Image shipImage=Image.createImage("/005-Fighter05.png");
  shipFrames.ImageSet.extractFrames

(shipImage,4*SHIP_FRAME_WIDTH,0,4,4,SHIP_FRAME_WIDTH,SHIP_FRAME_HEIGHT);
    }
 catch(IOException ioe){System.out.println(unable to load image);}
 myCanvas=new MyCanvas();
 
 quit=new Command("Quit",Command.EXIT.2);
 myCanvas.addCommand(quit);
 
 myCanbas.setCommandListener(this);
 running=true;
 Thread t=new Thread(this);
 t.start(); 
}
////////////////////////////////////////////
 public final static Image[] extractFrame(Image sourceImage,int sourceX,int sourceY,int

framesWide,int framesHigh,int frameWidth,int frameHeight)
{ Image[] frames=new Image[framesWide*framesHigh];
 int frameCount=0;
 for(int fy=0;fy<framesHigh;fy++)
  for(int fx=0;fx<framesWide;fx++)
   frame[frameCount++]=getImageRegion(sourceImage,sourceX+

(fx*frameWidth),sourceY+(fy*frameHeight),frameWidth,frameHeight);
 return frames;
 
}
////////////////////////////////////////////
 public void run()
{
 while(running){
 currentFrame++;
 if(currentFrame>15)
 currentFrame=0;
 
 myCanvas.repaint();
 try{
 Thread.sleep(1000);
    }
 catch(InterruptedException e){}
           }
}
 protected void startApp() throws MIDletStateChangeException
 { Display.getDisplay(this).setCurrent(myCanvas);
 }
 protected void pauseApp(){}
 protected void destroyApp(boolean unconditional) throws MIDletStateChangeException{}
 
 public void commandAction(Command command,Displayable displayable)
 {
  try{
   if(command==quit)
   {running=false;
    destroyApp(true);
    notifyDestroyed();
   }
     }
  catch(MIDletStateChangeException me){System.out.println(me+"caught");}
 }

           }

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