JAVA给图片加上水印

import java.awt.Color;      

import java.awt.Font;      

import java.awt.Graphics;      

import java.awt.Image;      

import java.awt.image.BufferedImage;      

import java.io.File;      

import java.io.FileOutputStream;      

import com.sun.image.codec.jpeg.JPEGCodec;

import com.sun.image.codec.jpeg.JPEGImageEncoder;     

import javax.imageio.ImageIO;      

/** 

* 给图片加水印 

*/     

public final class Main {      

     public Main() {      

        

     }  

     /**    

      * 把图片印刷到图片上    

      *     

      * @param pressImg 

      *            水印文件    

      * @param targetImg    

      *            目标文件    

      * @param x    

      * @param y    

      */     

     public final static void pressImage(String pressImg, String targetImg,      

             int x, int y) {      

         try {      

             File _file = new File(targetImg);      

             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(pressImg);      

             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 - wideth_biao - x, height      

                     - height_biao - y, wideth_biao, height_biao, null);      

             g.dispose();      

             FileOutputStream out = new FileOutputStream(targetImg);      

             JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);      

             encoder.encode(image);      

             out.close();      

         } catch (Exception e) {      

             e.printStackTrace();      

         }      

     }      

        

     /**    

      * 打印文字水印图片    

      *     

      * @param pressText    

      *             --文字    

      * @param targetImg  

      *             --目标图片    

      * @param fontName  

      *             --字体名    

      * @param fontStyle  

      *             --字体样式    

      * @param color     

      *             --字体颜色    

      * @param fontSize     

      *             --字体大小    

      * @param x     

      *             --X偏移量    

      * @param y 

      *             --Y偏移量    

      */     

        

     public static void pressText(String pressText, String targetImg,      

             String fontName, int fontStyle, int color, int fontSize, int x,      

             int y) {      

         try {      

             File _file = new File(targetImg);      

             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(fontName, fontStyle, fontSize));      

        

             g.drawString(pressText,fontSize+x,fontSize      

                      +y);      

             g.dispose();      

             FileOutputStream out = new FileOutputStream(targetImg);      

             JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);      

             encoder.encode(image);      

             out.close();      

         } catch (Exception e) {      

             System.out.println(e);      

         }      

     }      

        

     public static void main(String[] args) {      

         pressImage("f:/1.jpg", "f:/2.jpg", 20, 20);      

         pressText("Java教程网", "f:/1.jpg","宋体",10,10,100,50, 50);  

     }      

}