import java.awt.Graphics;

import javax.swing.JFrame;

public class Histogram {
    private Image img;
    private Graphics g;
    private int height = 600;
    private int width = 600;
    private JFrame frame;

    public Histogram(Image img) {
        this.img = img;
        this.frame = new JFrame("Histogram");

        this.initHistogram(true);
    }

    private void initHistogram(boolean visiblity) {
        this.frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        this.frame.setBounds(0, 0, this.width, this.height);
        this.frame.setVisible(visiblity);

        this.g = this.frame.getGraphics();
        // this.g.drawImage(this.img.getImage(), 0, 0, null);

        this.g.drawRect(10, 10, 100, 100);
    }
}