java_图片_文字_加水印

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileOutputStream;

import javax.imageio.ImageIO;
import javax.swing.ImageIcon;

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

public class Test{
 
   public static void main(String arg[]){
     
     // pressImage("E:/2.png", "E:/1.jpg", 0, 0);   //图片
      pressText("文字", "E:/1.jpg", "", 1, Color.RED,30, 60, 50); //文字
    }
 
  
     /**
      * 把图片印刷到图片上
      *
      * @param pressImg --
      *            水印文件
      * @param targetImg --
      *            目标文件
      * @param x
      *            --x坐标
      * @param y
      *            --y坐标
      */
     public final static void pressImage(String pressImg, String targetImg,
             int x, int y) {
         try {
             //目标文件
             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) / 2,
                     (height - height_biao) / 2, 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();
         }
     }

     /**
      * 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, Color 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);
             // String s="www.qhd.com.cn";
             g.setColor(color);
             g.setFont(new Font(fontName, fontStyle, fontSize));
             g.drawString(pressText, x, 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);
         }
     } 
  
 
}

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