java图片的缩放

到http://code.google.com/p/thumbnailator/downloads/list下载最新的thumbnailator的jar包。

源码如下：

package com.wyebd.hsms.utils;

import java.io.File;

import java.io.IOException;

import javax.imageio.ImageIO;

import net.coobird.thumbnailator.Thumbnails;

import net.coobird.thumbnailator.geometry.Positions;

public class PicUtil {

/**

* @param args

*/

public static void main(String[] args) {

// TODO Auto-generated method stub

try {

Thumbnails.of(new File("D:/background.jpg")).size(160, 160).rotate(0).watermark(Positions.BOTTOM_RIGHT, ImageIO.read(new File("D:/background.jpg")), 0.5f).outputQuality(0.8f).toFile(new File("D:/mark.jpg"));

} catch (IOException e) {

e.printStackTrace();

}

}

}