cutpic.java

来自「Java源代码,使用JBulider开发的上传类,可以上传图片,铃声.」· Java 代码 · 共 48 行

package com.owner.demo;

import java.io.File;
import java.io.FileOutputStream;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.image.BufferedImage;
import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGImageEncoder;

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2006</p>
 * <p>Company: </p>
 * @author not attributable
 * @version 1.0
 */

public class CutPic {
  public CutPic() {
  }

  public void cutSize() {
    try {
      File file = new File("C://tempphoto//post-15-1144514217.jpg");
      Image src = javax.imageio.ImageIO.read(file); //构造Image对象
      int wideth = src.getWidth(null); //得到源图宽
      int height = src.getHeight(null); //得到源图长
      BufferedImage tag = new BufferedImage(128,128,BufferedImage.TYPE_INT_RGB);

      tag.getGraphics().drawImage(src,0,0,128,128,null);
      FileOutputStream out = new FileOutputStream("C://tempphoto//post1.jpg");
      JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
      encoder.encode(tag);
      out.close();
    }
    catch(Exception ex) {
      ex.printStackTrace();
    }
  }

  public static void main(String[] args) {
    CutPic cutPic1 = new CutPic();
    cutPic1.cutSize();
  }

}