Adding watermark to an image : Image « 2D Graphics GUI « Java

Adding watermark to an image


import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.image.BufferedImage;

import javax.imageio.ImageIO;

public class WaterMark {
    public static final String DEFAULT_FORMAT = "jpg";
    public static final Color DEFAULT_COLOR = Color.LIGHT_GRAY;
    public static final Font DEFAULT_FONT = new Font("Arial", Font.BOLD, 18);
    public static String makeWaterMark(String fileName, String ctx)
        throws Exception {
        try {
            String dest = execute(ctx + "/" + fileName,"dest","Water", DEFAULT_COLOR, DEFAULT_FONT);
            return dest.substring(ctx.length());
        } catch (Exception ex) {
            return fileName;
    public static String execute(String src, String dest, String text,
        Color color, Font font) throws Exception {
        BufferedImage srcImage = File(src));

        int width = srcImage.getWidth(null);
        int height = srcImage.getHeight(null);
        BufferedImage destImage = new BufferedImage(width, height,
        Graphics g = destImage.getGraphics();

        g.drawImage(srcImage, 0, 0, width, height, null);
        g.fillRect(0, 0, 50, 50);
        g.drawString(text, width / 5, height - 10);

        ImageIO.write(destImage, DEFAULT_FORMAT, new File("dest.jpg"));
        return dest;


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