Java图片添加水印

import javaawt*;

import javaawtimage*;

import javaio*;

import javaxswing*;

import decjpeg*;

public class WaterMark {

/**

* 给图片添加水印

* @param filePath 需要添加水印的图片的路径

* @param markContent 水印的文字

* @param markContentColor 水印文字的颜色

* @param qualNum 图片质量

* @return

*/

public boolean createMark(String filePathString markContentColor markContentColorfloat qualNumString watermark)

{

ImageIcon imgIcon=new ImageIcon(filePath);

Image theImg =imgIcongetImage();

int width=theImggetWidth(null);

int height= theImggetHeight(null);

//ImageIcon waterIcon=new ImageIcon(watermark);

// Image waterImg =waterIcongetImage();

BufferedImage bimage = new BufferedImage(widthheight BufferedImageTYPE_INT_RGB);

Font font = new Font(新宋体 FontPLAIN );

GraphicsD g=bimagecreateGraphics();

gsetColor(markContentColor);

gsetFont(font);

gsetBackground(Colorwhite);

gdrawImage(theImg null );

// gdrawImage(waterImg width* height null );

gdrawString(markContentwidthheight); //添加水印的文字和设置水印文字出现的内容

gdispose();

try{

FileOutputStream out=new FileOutputStream(filePath);

JPEGImageEncoder encoder =JPEGCodeccreateJPEGEncoder(out);

JPEGEncodeParam param = encodergetDefaultJPEGEncodeParam(bimage);

paramsetQuality(qualNum true);

encoderencode(bimage param);

outclose();

}catch(Exception e)

{ return false; }

return true;

}

public static void main(String arg[]){

WaterMark wk=new WaterMark();

if(wkcreateMark(F:\\资料整理\\图片\\网上图片\\ffcccebdjpgColorREDf)){

Systemoutprintln(制作成功);

}else{

Systemoutprintln(我失败了！);

}

}

}