java实现把文字和图片合成一张图片

import java.awt.*;
import java.io.*;
import java.awt.image.*;
import com.sun.image.codec.jpeg.*;
import javax.imageio.*;

public class ImgBean{
public void ImgBean(){}
public static void ImgYin(String s,String ImgName){
    byte[] bytes = null;
    try{
        String str = s;
        File _file = new File(ImgName);
        Image src = ImageIO.read(_file);
        int wideth=src.getWidth(null);
        int height=src.getHeight(null);
        BufferedImage image=new BufferedImage(wideth,height,BufferedImage.TYPE_INT_RGB);
        Graphics g=image.createGraphics();
        g.drawImage(src,0,0,wideth,height,null);
        g.setColor(Color.RED);
        g.setFont(new Font("宋体",Font.PLAIN,20));
        Font aa=new Font("宋体",Font.PLAIN,20);

        g.drawString(str,wideth-150,height-10);
        g.dispose();
        ByteArrayOutputStream out1 = new ByteArrayOutputStream();
        saveImage(image, out1);
        bytes = out1.toByteArray();
        out1.close();
        FileOutputStream out2 = new FileOutputStream(ImgName);
        out2.write(bytes);
        out2.close();
    }
    catch(Exception e){
        System.out.println(e);
    }
}
public static void saveImage(BufferedImage img, OutputStream out1) throws Exception {
    JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out1);
    encoder.encode(img);
}

public static void main(String[] args){
    ImgYin("我要加的水印" , "d:/11.jpg");
}
}