/*
 *  File:  Quadrilateral.java
 *
 *  Quadrilateral class
 *
 *  Copyright:  Northeast Parallel Architectures Center
 *  
 */

import java.awt.Point;

// A quadrilateral is a polygon with four sides:
public class Quadrilateral extends MovablePolygon {

   // Quadrilateral constructor #1:
   public Quadrilateral() {
      // invoke the no-argument constructor of the superclass:
      super();
   }

   // Quadrilateral constructor #2:
   public Quadrilateral( int x1, int y1, 
                         int x2, int y2, 
                         int x3, int y3, 
                         int x4, int y4  ) {
 
      // invoke the no-argument constructor of the superclass:
      super();
 
      // the 'this' reference is optional:
      this.addPoint( x1, y1 );
      this.addPoint( x2, y2 );
      this.addPoint( x3, y3 );
      this.addPoint( x4, y4 );
 
   }

   // Quadrilateral constructor #3:
   public Quadrilateral( Point p1, Point p2, Point p3, Point p4 ) {
 
      // invoke Quadrilateral constructor #2:
      this( p1.x, p1.y, p2.x, p2.y, p3.x, p3.y, p4.x, p4.y  );
 
   }

}