import com.stevesoft.phreida.*;
import java.awt.*;
import java.io.*;
import java.net.*;

public class Test5 {
  public static void main(String[] args) throws Exception {
    // Create the graphics object.  Page size is about the
    // same as a paperback novel.
    PGraphics pg = new PGraphics("test5.pdf",0,0,300,460);

    Toolkit tk = Toolkit.getDefaultToolkit();

    // This program is the same as Test4, but there's a clip
    pg.setClip(makeStar(125,125,50,80));

    URL url = Test5.class.getResource("onintro.gif");
    Image im = tk.getImage(url);
    pg.drawImage(im,65,95,null);
    int del = 4;
    int radius = 50;
    int x = 100, y = 100;
    for(int i=0;i <= 460;i+=20) {
      radius += 2*del;
      y -= del;
      x -= del;
      pg.setColor(Color.green);
      pg.drawArc(x,y,radius,radius,i,300);
      pg.setColor(Color.blue);
      pg.drawArc(x,y,radius,radius,i+300,60);
    }

    // Finish
    pg.dispose(); // writes out file
    System.exit(0); // Graphics thread is running still
  }
  public static Polygon makeStar(int xc,int yc,int r1,int r2) {
    int[] xpoints = new int[10];
    int[] ypoints = new int[10];
    for(int i=0;i<10;i++) {
      double a = Math.PI/5*i+Math.PI/10;
      double r = r1+r2*(i%2);
      xpoints[i] = xc+(int)(r*Math.cos(a)+.5);
      ypoints[i] = yc+(int)(r*Math.sin(a)+.5);
    }
    return new Polygon(xpoints,ypoints,10);
  }
}