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

);

}

}