MainClass.java Source code

Introduction

Here is the source code for MainClass.java

Source

import java.awt.AlphaComposite;
import java.awt.Canvas;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.Toolkit;

import javax.swing.JFrame;

public class MainClass extends JFrame {
    public static void main(String args[]) {
        MainClass app = new MainClass();
    }

    public MainClass() {
        super("Draw2D");
        add("Center", new MyCanvas());

        setSize(400, 400);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setVisible(true);
    }

    class MyCanvas extends Canvas {
        public void paint(Graphics graphics) {
            Graphics2D g = (Graphics2D) graphics;
            float alpha = 0.5f;
            AlphaComposite composite = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha);
            g.setComposite(composite);
            Toolkit toolkit = Toolkit.getDefaultToolkit();
            Image image0 = toolkit.getImage("image0.gif");
            Image image1 = toolkit.getImage("image1.gif");
            g.drawImage(image0, 200, 100, this);
            g.drawImage(image1, 100, 150, this);
        }
    }
}