/*

Laura Toma
csci 101
*/

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.lang.Math;


public class  FractalDriver extends JComponent {
    private int pad = 5; //space between images
    private int preferredNumImages;
 
    static Sierpinski s; 
    

    public FractalDriver(int preferredNumImages, int pad) {
        if (preferredNumImages > 0) {
            this.preferredNumImages = preferredNumImages;
        }
        if (pad >= 0) {
            this.pad = pad;
        }
        
        //Set a reasonable default border.
        if (this.pad > 0) {
            setBorder(BorderFactory.createEmptyBorder(this.pad,
                                                      this.pad,
                                                      this.pad,
                                                      this.pad));
        }
    }
    

    public Dimension getPreferredSize() {
	return new Dimension(700, 500);
    }
    
    public Dimension getMinimumSize() {
	return new Dimension(0,0);
    }
    
    private int min(int a, int b) {
	if(a < b) {
	    return a;
	} else {
	    return b;
	}
    }
   
    
    protected void paintComponent(Graphics g) {
	Insets insets = getInsets();
	
	//must not mess up the graphics context, so copy it
	Graphics2D g2d = (Graphics2D)g.create();
	
	int width = getWidth() - insets.left - insets.right;
	int height = getHeight() - insets.top - insets.bottom;
	g2d.translate(insets.left, insets.bottom);
	
	g2d.setColor(Color.black);
	
	//compute coordinates of triangle based on window size
	double d, h;
	double x = width/ 2;
	double y = height / 2;
	if(height > width * Math.sin(Math.PI/3)) { // width limited
	    d = width;
	    h = d * Math.sin(Math.PI/3);
	} else {
	    d = height / Math.sin(Math.PI/3);
	    h = height;
	}
	int x1, x2, x3, y1, y2, y3;
	x1 = (int)(x);
	x2 = (int)(x - d / 2);
	x3 = (int)(x + d / 2);
	y1 = (int)(y - h / 2);
	y2 = y3 = (int)(y + h / 2);
	
	s.main(x1, y1, x2, y2, x3, y3, g2d);
	
	g2d.dispose();
    }
    
    
    /**
     * Create the GUI and show it.  For thread safety,
     * this method should be invoked from the
     * event-dispatching thread.
     */
    private static void createAndShowGUI() {
        //Make sure we have nice window decorations.
        JFrame.setDefaultLookAndFeelDecorated(true);
	
        //Create and set up the window.
        JFrame frame = new JFrame("FractalDriver");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	
        //Create and set up the content pane.
        FractalDriver id = new FractalDriver(5, -1);
        frame.getContentPane().add(id, BorderLayout.CENTER);
	
        //Display the window.
        frame.pack();
        frame.setVisible(true);
    }


    public static void main(String[] args) {
	
	s = new Sierpinski(args);

        //creating and showing this application's GUI.
        javax.swing.SwingUtilities.invokeLater(new Runnable() {
		public void run() {
		    createAndShowGUI();
		}
	    });
    }
}