import javax.imageio.*;
import javax.swing.*;
import java.awt.*;
import java.awt.image.*;
import java.io.*;

public class circleProgrammingQuestion {
    private static long time = System.nanoTime();

    public static void main(String[] args) throws IOException{
        int imageWidth = 1000;
        int imageHeight = imageWidth;
        BufferedImage image = new BufferedImage(imageWidth, imageHeight, BufferedImage.TYPE_INT_RGB);
        Graphics2D graphics2D = image.createGraphics();
        graphics2D.setColor(Color.WHITE);
        graphics2D.fillRect(0,0,imageWidth,imageHeight);
        graphics2D.setColor(Color.BLUE);
        for (int i = 0; i < 5; i++) {
            int x = (int)(Math.random()*(1+imageWidth));
            int y = (int)(Math.random()*(1+imageHeight));
            int rad = (int)(Math.random()*(.4*(imageWidth+imageHeight)/2+1)+(.1*(imageWidth+imageHeight)/2));
            graphics2D.fillOval(x-(rad/2),y-(rad/2),rad,rad);
        }
        ImageIO.write(image,"png", new File("image.png"));
        DisplayImage(imageWidth, imageHeight, "image.png");
        int filledCount = 0;
        int pixelCount = 0;
        for (int i = 0; i < imageHeight; i++) {
            for (int j = 0; j < imageWidth; j++) {
                if(image.getRGB(i,j)!=-1)
                    filledCount++;
                pixelCount++;
            }
        }
        System.out.print("Area: ");
        System.out.printf("%.2f",((double)filledCount/pixelCount)*100);
        System.out.println("%");
        double timeTaken = System.nanoTime()-time;
        System.out.println("Time taken: "+timeTaken/1000000000+" Seconds");
    }
    public static void DisplayImage(int x, int y, String s) throws IOException
    {
        BufferedImage img=ImageIO.read(new File(s));
        ImageIcon icon=new ImageIcon(img);
        JFrame frame=new JFrame("circleProgrammingQuestion");
        frame.setResizable(false);
        frame.setLayout(new FlowLayout());
        frame.setSize(x,y);
        JLabel lbl=new JLabel();
        lbl.setIcon(icon);
        frame.add(lbl);
        frame.setVisible(true);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    }
}