MainClass.java Source code

Java tutorial

Introduction

Here is the source code for MainClass.java

Source

import java.awt.Graphics;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.awt.image.BufferedImageOp;
import java.awt.image.ConvolveOp;
import java.awt.image.Kernel;

import javax.swing.JFrame;
import javax.swing.JPanel;

public class MainClass extends JPanel {

    public void paint(Graphics g) {
        BufferedImage img = createImage();

        float ninth = 1.0f / 9.0f;

        float[] blurKernel = { ninth, ninth, ninth, ninth, ninth, ninth, ninth, ninth, ninth };

        BufferedImageOp blurOp = new ConvolveOp(new Kernel(3, 3, blurKernel));

        BufferedImage clone = blurOp.filter(img, null);

        g.drawImage(clone, 20, 20, this);
    }

    private BufferedImage createImage() {
        BufferedImage bufferedImage = new BufferedImage(200, 200, BufferedImage.TYPE_INT_RGB);
        Graphics g = bufferedImage.getGraphics();
        g.drawString("www.java2s.com", 20, 20);

        return bufferedImage;
    }

    public static void main(String[] args) {
        JFrame frame = new JFrame();
        frame.getContentPane().add(new MainClass());

        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(200, 200);
        frame.setVisible(true);
    }

}