给图片打水印 - 黑马程序员技术交流社区

import java.awt.*;
import java.io.*;
import java.awt.image.*;
import com.sun.image.codec.jpeg.*;
import javax.imageio.*;
public class ImgBean_i{
public void ImgBean_i(){
}
public void ImgYin(String Imagename_biao,String ImgName){
try{
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);
//水印文件
File _filebiao = new File(Imagename_biao);
Image src_biao = ImageIO.read(_filebiao);
int wideth_biao=src_biao.getWidth(null);
int height_biao=src_biao.getHeight(null);
g.drawImage(src_biao,wideth-110,height-110,wideth_biao,height_biao,null);
//水印文件在原图片文件的位置，原图片文件的右下角为wideth-0,height-0
g.dispose();
FileOutputStream out=new FileOutputStream(ImgName);
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
encoder.encode(image);
out.close();
}catch(Exception e){
System.out.println(e);
}
}
public static void main(String args[]){
ImgBean_i ib=new ImgBean_i();
ib.ImgYin("logo.gif","pic1339.gif");
}
}

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