Convert email address to image with Java code

EmailImage

package org.ostree.utils;
import javax.imageio.ImageIO;

import java.awt.*;
import java.awt.font.FontRenderContext;
import java.awt.font.GlyphVector;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.Random;

public class EmailImage {
    public static void main(String[] args) throws IOException {
        long start = System.currentTimeMillis();
        String email = "email2image@gmail.com";
        BufferedImage image = renderWord(email, 200, 20);
        ImageIO.write(image, "png", new File("/home/joe/email2image.png"));
        long l = System.currentTimeMillis() - start;
        System.out.println(l);
    }

    public static BufferedImage renderWord(String word, int width, int height) {
        int fontSize = 14;
        width=10*word.length();
        Font[] fonts = new Font[]{
                new Font("Arial", Font.BOLD, fontSize), new Font("Courier", Font.BOLD, fontSize)
        };
        Color color = Color.BLACK;
        int charSpace = 3;
        BufferedImage image = new BufferedImage(width, height,
                BufferedImage.TYPE_INT_ARGB);
        Graphics2D g2D = image.createGraphics();
        g2D.setColor(color);
        RenderingHints hints = new RenderingHints(
                RenderingHints.KEY_ANTIALIASING,
                RenderingHints.VALUE_ANTIALIAS_ON);
        hints.add(new RenderingHints(RenderingHints.KEY_RENDERING,
                RenderingHints.VALUE_RENDER_QUALITY));
        g2D.setRenderingHints(hints);

        FontRenderContext frc = g2D.getFontRenderContext();

        Random random = new Random();

        int startPosY = (height - fontSize) / 5 + fontSize;

        char[] wordChars = word.toCharArray();
        Font[] chosenFonts = new Font[wordChars.length];
        int[] charWidths = new int[wordChars.length];
        int widthNeeded = 0;
        for (int i = 0; i < wordChars.length; i++) {
            chosenFonts[i] = fonts[random.nextInt(fonts.length)];

            char[] charToDraw = new char[]{
                    wordChars[i]
            };
            GlyphVector gv = chosenFonts[i].createGlyphVector(frc, charToDraw);
            charWidths[i] = (int) gv.getVisualBounds().getWidth();
            if (i > 0) {
                widthNeeded = widthNeeded + 2;
            }
            widthNeeded = widthNeeded + charWidths[i];
        }

        int startPosX = (width - widthNeeded) / 2;
        for (int i = 0; i < wordChars.length; i++) {
            g2D.setFont(chosenFonts[i]);
            char[] charToDraw = new char[]{
                    wordChars[i]
            };
            g2D.drawChars(charToDraw, 0, charToDraw.length, startPosX, startPosY);
            startPosX = startPosX + (int) charWidths[i] + charSpace;
        }

        return image;
    }
}