import java.applet.*;
import java.awt.*;

public class Mandel_7 extends Frame{
 public Mandel_7(String t){
  setTitle(t);
 }
 public void init(){
  setLayout(new BorderLayout());
  m7Canvas c=new m7Canvas();
  add("Center",c);
  show();
  Dimension d=getToolkit().getScreenSize();
  resize(409,449);
 }
 public boolean handleEvent(Event e){
  if(e.id==Event.WINDOW_DESTROY){
   dispose();
  }
  return true;
 }
}
class m7Canvas extends Canvas{
 public void paint(Graphics g){
  int hx,hy;
  double a=8.0;
  double x=-1.4;
  double y=0.0;
  double zr,zi,z,p,r;
  for(double j=-1.0/a+y;j<1.0/a+y;j=j+0.005/a){
   for(double i=-1.0/a+x;i<1.0/a+x;i=i+0.005/a){
    hx=(int)(200-200*x*a+i*200*a);
    hy=(int)(200-200*y*a+j*200*a);
    zr=0;zi=0;
    for(int k=0;k<255;k++){
     z=zr*zr-zi*zi+i;
     p=2*zr*zi+j;
     r=z*z+p*p;
     if(r>=4&&k<25){
      g.setColor(new Color(0,k*10,255-k*10));
      g.fillRect(hx,hy,1,1);
      break;
     }else if(r>=4&&k>=25&&k<=50){
      g.setColor(new Color(k*5,255-k*5,0));
      g.fillRect(hx,hy,1,1);
      break;
     }else if(r>=4&&k>50){
      g.setColor(new Color(255-k,0,k));
      g.fillRect(hx,hy,1,1);
      break;
     }else if(r<4&&k>=254){
      g.setColor(Color.black);
      g.fillRect(hx,hy,1,1);
      break;
     }
     zr=z;zi=p;
    }
   }
  }
 }
}