MainClass.java Source code

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Here is the source code for MainClass.java

Source

import java.awt.Color;
import java.awt.Container;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.RenderingHints;
import java.awt.TexturePaint;
import java.awt.image.BufferedImage;

import javax.swing.JComponent;
import javax.swing.JFrame;

public class MainClass {
    public static void main(String[] args) {
        JFrame jf = new JFrame("Demo");
        Container cp = jf.getContentPane();
        MyCanvas tl = new MyCanvas();
        cp.add(tl);
        jf.setSize(300, 200);
        jf.setVisible(true);
    }
}

class MyCanvas extends JComponent {

    public void paint(Graphics g) {
        BufferedImage bim;

        TexturePaint tp;

        String mesg = "www.java2s.com";

        Font myFont = new Font("Lucida Regular", Font.BOLD, 72);

        Color[] colors = { Color.red, Color.blue, Color.yellow, };

        int width = 8, height = 8;
        bim = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
        Graphics2D g2 = bim.createGraphics();
        for (int i = 0; i < width; i++) {
            g2.setPaint(colors[(i / 2) % colors.length]);
            g2.drawLine(0, i, i, 0);
            g2.drawLine(width - i, height, width, height - i);
        }
        Rectangle r = new Rectangle(0, 0, bim.getWidth(), bim.getHeight());
        tp = new TexturePaint(bim, r);

        Graphics2D g2d = (Graphics2D) g;
        g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        g2d.setPaint(tp);
        g2d.setFont(myFont);
        g2d.drawString(mesg, 20, 100);
    }
}