MainClass.java Source code

Introduction

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.Image;
import java.awt.RenderingHints;
import java.awt.font.GraphicAttribute;
import java.awt.font.ImageGraphicAttribute;
import java.awt.font.TextAttribute;
import java.awt.image.BufferedImage;
import java.text.AttributedString;

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) {
        Graphics2D g2 = (Graphics2D) g;

        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        Font serifFont = new Font("Serif", Font.PLAIN, 32);

        AttributedString as = new AttributedString("www.java2s.com");
        as.addAttribute(TextAttribute.FONT, serifFont);

        Image image = createImage();
        ImageGraphicAttribute imageAttribute = new ImageGraphicAttribute(image, GraphicAttribute.TOP_ALIGNMENT);
        as.addAttribute(TextAttribute.CHAR_REPLACEMENT, imageAttribute, 5, 6);

        g2.drawString(as.getIterator(), 20, 120);

    }

    private BufferedImage createImage() {
        BufferedImage bim;

        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);
        }
        return bim;
    }
}