이미지 복사 워터마크

        String src = "img.jpg"; //  
        String dec = "img_1.jpg";//  

        /* * 1.   * 2.  Image  * 3.  Image  */
        InputStream in = new BufferedInputStream(new FileInputStream(src));
        BufferedImage image = ImageIO.read(in);
        in.close();

        Graphics g = image.getGraphics(); //  
        g.setColor(new Color(0x55ffffff, true));
        g.setFont(new Font(" ", 1, 32));
        Date date = new Date();
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd");
        g.drawString(sdf.format(date), 30, 30);
        OutputStream out = new BufferedOutputStream(new FileOutputStream(dec));
        ImageIO.write(image, "jpg", out);
        out.close();