画像に文字を書く。※標準で、短く、どこでもいける感じに？

ImageStringDrawTest.java

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

import javax.imageio.ImageIO;

import org.junit.Before;
import org.junit.Test;

public class ImageStringDrawTest {

    @Test
    public final void test() {
        BufferedImage img = null;
        try {
            String text = "へもかわ";

            File gif = new File("logo.gif");
            img = ImageIO.read(gif);
            Graphics g = img.createGraphics();

            Rectangle rectText = g.getFontMetrics().getStringBounds(text, g)
                    .getBounds();
            int x = (img.getWidth() - rectText.width) / 2;

            g.setColor(Color.RED);
            g.drawString(text, x, 56);

            if (!ImageIO.write(img, "gif", gif)) {
                System.out.println("書き込みに失敗しました");
            }
        } catch (Exception e) {
        }

    }
}