/* 
 * This is a class that draws a recursive squares.  Fill in the method
 * drawSquares. 
 * 
 * Laura Toma, csci 210
 */
import javax.swing.*;
import java.awt.*;

public class Squares extends JFrame {
    public static final int WINDOW_SIZE = 500; 
    public static final int THRESHOLD = 40;

    //the upper-left corner of the first square and the side of the square
    public static int ul_x, ul_y, side;
    
    public Squares() {
	super("Squares"); 
	setSize(WINDOW_SIZE, WINDOW_SIZE);
	
	//set initial square coordinates based on window size
	ul_x =  (int)getSize().getWidth()/3;
	ul_y =  ul_x; 

	//set initial square side 
	side = ((int)getSize().getWidth() - 2*ul_x); 

	setVisible(true);
	setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }
    
    public void paint(Graphics g) {
	//clear the canvas and draw all ancestors
	super.paint(g);
	
	//draw the recursive squares
	drawSquares(ul_x, ul_y, side); 
    }

    //draw recursivey a square with the upper left corner at (ul_x, ul_y) 
    //and given side
    public void drawSquares(int ul_x, int ul_y, int side) {
	
	//termination condition: if the square is smaller than THRESHOLD stop
	if (side < THRESHOLD) return; 
	
	
	//else  draw the current triangle
	Graphics g = getGraphics(); 
	g.setColor(Color.RED); 

	//FILL IN YOUR CODE 
	
    }

    public static void main(String[] args) {
	Squares sq = new Squares(); 			
    }
}