/*********************************************************

*

* Created on 2007年3月1日

*

* Program : QRCodeDecoderTest.java

* @author : ryanpai

* Java平臺 : J2SDK 1.4.9

* OS : XP

* 1. 下載使用 (http://sourceforge.jp/projects/qrcode/ ) qrcode.jar

*       => (SourceForge Open Source QR Code Decode Library)

* 2. 修改官方 Sample => QRCodeDecoderCUIExample.java

* 3. 將上述下載的 jar 增加至classpath

*

********************************************************/



import jp.sourceforge.qrcode.codec.QRCodeDecoder;

import jp.sourceforge.qrcode.codec.data.QRCodeImage;

import jp.sourceforge.qrcode.codec.exception.DecodingFailedException;

import jp.sourceforge.qrcode.codec.exception.InvalidVersionInfoException;



import java.awt.image.BufferedImage;

import javax.imageio.ImageIO;

import java.io.File;

import java.io.IOException;



/******************************************

*

* @author  RYANPAI

*

******************************************/



public class QRCodeDecoderTest {



/** Creates a new instance of QRCodeDecoderTest */

public QRCodeDecoderTest() {

}



/**

* @param args the command line arguments

*/

public static void main(String[] args) {



// TODO code application logic here

QRCodeDecoder decoder = new QRCodeDecoder();



// 設定讀取QR Code圖檔路徑

File imageFile = new File("D:\\TestQRCode.jpg");



// 設定 BufferedImage

BufferedImage image = null;



try {

image = ImageIO.read(imageFile);

} catch (IOException e) {

System.out.println("Error: "+ e.getMessage());

}

try {

String decodedData 

= new String(decoder.decode(new J2SEImage(image)));

System.out.println(decodedData);

} catch (DecodingFailedException dfe) {

System.out.println("Error: " + dfe.getMessage());

}





}

}



class J2SEImage implements QRCodeImage {

BufferedImage image;



public J2SEImage(BufferedImage image) {

this.image = image;

}



public int getWidth() {

return image.getWidth();

}



public int getHeight() {

return image.getHeight();

}



public int getPixel(int x, int y) {

return image.getRGB(x, y);

}



}



} // end main





}