ShapesPanel.java

import javax.swing.*;
import java.awt.*;


public class ShapesPanel extends JPanel{
    private SmartEllipse _ellipse;
    private SmartRectangle _rectangle;
    private SmartRectangle _diamond;
    private Polygon _triangle;
    private SmartRectangle _star1;
    private SmartRectangle _star2;
    
    public ShapesPanel(){
        _ellipse = new SmartEllipse(java.awt.Color.BLUE);
        _ellipse.setLocation(200,200);
        _ellipse.setSize(50,50);
        
        _rectangle = new SmartRectangle(java.awt.Color.RED);
        _rectangle.setLocation(300,250);
        _rectangle.setSize(70,100);
        
        _diamond = new SmartRectangle(java.awt.Color.GREEN);
        _diamond.setLocation(86, 75);
        _diamond.setSize(30,30);
        _diamond.setRotation(150);
        
        _star1 = new SmartRectangle(java.awt.Color.GRAY);
        _star1.setLocation(500,100);
        _star1.setSize(60,60);
        _star1.setRotation(150);
        
        _star2 = new SmartRectangle(java.awt.Color.GRAY);
        _star2.setLocation(500,100);
        _star2.setSize(60,60);
        
        
        
    }
    public void paintComponent(java.awt.Graphics aBrush) {
        super.paintComponent(aBrush);
        java.awt.Graphics2D aBetterBrush = (java.awt.Graphics2D) aBrush;
        _ellipse.fill(aBetterBrush);
        _rectangle.fill(aBetterBrush);
        _diamond.fill(aBetterBrush);
        _star1.fill(aBetterBrush);
        _star2.fill(aBetterBrush);
        int[] tr1 = {10, 20, 30};
        int[] tr2 = {60, 50, 60};
        _triangle = new Polygon(tr1, tr2, 3);
        aBrush.setColor(Color.yellow); 
        aBrush.fillPolygon(_triangle);
    }
}