给图片加水印图片

package org.bcndyl.util;

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

public class WaterMark ...{
    
    /** *//**
     * 
     * @param pressImg  水印文件，最好用gif或者png可以支持透明
     * @param scourceImg   原始图片文件
     * @param targetImg    生成图片文件
     * @param x  水印的横坐标
     * @param y  水印的纵坐标
     */
    public final static void pressImage(String pressImg, String scourceImg, String targetImg, int x, int y) ...{
        try ...{
            // 目标文件
            File _file = new File(scourceImg);
            Image src = ImageIO.read(_file);
            int width = src.getWidth(null);
            int height = src.getHeight(null);
            BufferedImage image = new BufferedImage(width, height,
                    BufferedImage.TYPE_INT_RGB);
            Graphics g = image.createGraphics();
            g.drawImage(src, 0, 0, width, height, null);
            // 水印文件
            File _filebiao = new File(pressImg);
            Image src_biao = ImageIO.read(_filebiao);
            int width_biao = src_biao.getWidth(null);
            int height_biao = src_biao.getHeight(null);
            g.drawImage(src_biao, width - width_biao - x, height - height_biao
                    - y, width_biao, height_biao, null);
            // g.drawImage(src_biao, (width - width_biao) / 2 - x,
            // (height - height_biao) / 2 - y, wideth_biao, height_biao, null);
            // 水印文件结束
            g.dispose();
            FileOutputStream out = new FileOutputStream(targetImg);
            JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
            encoder.encode(image);
            out.close();
        } catch (Exception e) ...{
            e.printStackTrace();
        }
    }
    
    public static void main(String[] args)...{
        
        //测试方法
        WaterMark.pressImage("c:/press.png", "c:/source.jpg", "c:/target.jpg", 0, 0);
    }
}