Main.java Source code

Introduction

Here is the source code for Main.java

Source

import java.awt.Color;
import java.awt.Dimension;
import java.awt.EventQueue;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.image.BufferedImage;
import java.io.File;

import javax.imageio.ImageIO;
import javax.swing.JFrame;
import javax.swing.JPanel;

public class Main {
    public static void main(String[] args) {
        EventQueue.invokeLater(new Runnable() {
            @Override
            public void run() {
                JFrame frame = new JFrame();
                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                frame.add(new TestPane());
                frame.pack();
                frame.setVisible(true);
            }
        });
    }
}

class TestPane extends JPanel {
    private BufferedImage myImage;
    private Rectangle myOffice = new Rectangle(150, 50, 30, 20);

    public TestPane() {
        try {
            myImage = ImageIO.read(new File("test.png"));
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }

    @Override
    public Dimension getPreferredSize() {
        return myImage == null ? new Dimension(200, 200) : new Dimension(myImage.getWidth(), myImage.getHeight());
    }

    @Override
    protected void paintComponent(Graphics g) {
        super.paintComponent(g);
        Graphics2D g2d = (Graphics2D) g.create();
        if (myImage != null) {
            int x = (getWidth() - myImage.getWidth()) / 2;
            int y = (getHeight() - myImage.getHeight()) / 2;
            g2d.drawImage(myImage, x, y, this);

            g2d.setColor(Color.RED);
            g2d.translate(x, y);
            g2d.draw(myOffice);
        }
        g2d.dispose();
    }
}