java-图片加水印，文字水印

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 javax.imageio.ImageIO;  
 
import com.sun.image.codec.jpeg.JPEGCodec;  
import com.sun.image.codec.jpeg.JPEGImageEncoder;  
 
public final class ImageUtils {  
    public ImageUtils() {   
 
    }  
 
    /** 
     * 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 -- 
     *            偏移量 
     * @param y 
     */ 
 
    public static void pressText(String pressText, String targetImg,  
            String fontName, int fontStyle, int fontSize, int x,  
            int y) {  
        try {  
            File _file = new File(targetImg);  
            Image src = ImageIO.read(_file);  
            int wideth = src.getWidth(null);
   System.out.println(wideth);//142
            int height = src.getHeight(null);  
   System.out.println(height);//49
            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, 5, 20);   //wideth:142 height:49
            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("d:/test/22.jpg", "d:/test/11.jpg",20,20);
  pressText("www.cctgood.com","d:/test/22.jpg","Times New Roman",Font.PLAIN,18,50,-20);
    }  
}