Java 为图片添加水印(图片水印，文字水印)

2014-07-28·WeaponX

5267 次浏览

```java

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

*            --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 filePress = new File(pressImg);

Image srcPress = ImageIO.read(filePress);

int wideth_biao = srcPress.getWidth(null);

int height_biao = srcPress.getHeight(null);

g.drawImage(srcPress, (wideth - wideth_biao), (height - height_biao), 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, 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("E:/logo.png", "E:/ceshi.jpg", 0, 0);

}

}

```