/**
 * GeomShapeDriver.java
 * 
 * Demonstrates how to create and use objects that implement 
 * the GeomShape interface.
 * 
 * @author Scot Drysdale on 4/9/00.  Modified 1/7/2012
 */

public class GeomShapeDriver {
 
  public static void main(String [] args) {  
    GeomShape [] shapes = new GeomShape[2]; 
    shapes[0] = new Circle(300, 200, 75);
    shapes[1] = new Rectangle(100, 200, 50.0, 75.0);
    
    // Notice the polymorphism.  The first time through the loop,
    // shapes[i] is a Circle, and the second time shapes[i] is a Rectangle. 
    for (int i = 0; i < 2; i++) { 
      System.out.println("Original shape: " + shapes[i] + " has area: "
                          + shapes[i].areaOf());
      shapes[i].move(-5, -35);
      System.out.println("Shape after move: " + shapes[i]);
      shapes[i].scale(2);
      System.out.println("Shape after scale: " + shapes[i]);
      if(shapes[i] instanceof Rectangle) {
      	((Rectangle) shapes[i]).flip();
      	System.out.println("Rectangle after flip: " + shapes[i]);
      }
    }
  }
}