图片加水印JAVA实现

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 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.RED);

g.setFont(new Font(fontName, fontStyle, fontSize));

g.drawString(pressText, wideth - fontSize - x, height - fontSize

/ 2 - 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("d:/test/22.jpg", "d:/test/11.jpg", 20, 20);

}

}