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;


public class test
{


public void jpgTset() throws Exception
{
File _file = new File("c:\\memo.jpg"); //讀入文件
Image src = javax.imageio.ImageIO.read(_file); //構造Image對象
int wideth=src.getWidth(null); //得到源圖寬
int height=src.getHeight(null); //得到源圖長


/**//*
* //繪制縮小后的圖
BufferedImage tag = new BufferedImage(wideth/2,height/2,BufferedImage.TYPE_INT_RGB);
tag.getGraphics().drawImage(src,0,0,wideth/2,height/2,null); //繪制縮小后的圖
*/

BufferedImage tag = new BufferedImage(wideth,height,BufferedImage.TYPE_INT_RGB);
tag.getGraphics().drawImage(src,0,0,wideth,height,null);
FileOutputStream out=new FileOutputStream("c:\\youfilename.jpg"); //輸出到文件流
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
encoder.encode(tag); //JPEG編碼
out.close();
}


public static void main(String[] args)
{

try
{
new test().jpgTset();

}catch(Exception e)
{
e.printStackTrace();
}

}

posted on 2008-09-26 13:55
biiau 閱讀(4306)
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