package com.sm.framework.util.qrcode;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.File;
import javax.imageio.ImageIO;
import com.swetake.util.Qrcode;
public class Sample {
/**
* ������
*
* @param
* @param
* @return void
* ����12:54:59 ����
**/
public static void main(String[] args) {
String imgPath = "F:/TDDOWNLOAD/Michael_QRCode.png";
String encoderContent = "������"+"\n"+"����Ů"+"\n"+"�����ж�����";
Sample handler = new Sample();
handler.encoderQRCode(encoderContent, imgPath);
System.out.println("ok");
}
private BufferedImage qRCodeCommon(String content, String imgType, int size) {
BufferedImage bufImg = null;
try {
Qrcode qrcodeHandler = new Qrcode();
// ���ö�ά���Ŵ��ʣ���ѡL(7%)��M(15%)��Q(25%)��H(30%)���Ŵ���Խ�߿ɴ洢����ϢԽ�٣����Զ�ά�������ȵ�Ҫ��ԽС
qrcodeHandler.setQrcodeErrorCorrect('M');
qrcodeHandler.setQrcodeEncodeMode('B');
// �������ö�ά��ߴ磬ȡֵ��Χ1-40��ֵԽ��ߴ�Խ�ɴ洢����ϢԽ��
qrcodeHandler.setQrcodeVersion(size);
// ������ݵ��ֽ����飬���ñ����ʽ
byte[] contentBytes = content.getBytes("utf-8");
// ͼƬ�ߴ�
int imgSize = 67 + 12 * (size - 1);
bufImg = new BufferedImage(imgSize, imgSize, BufferedImage.TYPE_INT_RGB);
Graphics2D gs = bufImg.createGraphics();
// ���ñ�����ɫ
gs.setBackground(Color.WHITE);
gs.clearRect(0, 0, imgSize, imgSize);
// �趨ͼ����ɫ> BLACK
gs.setColor(Color.BLACK);
// ����ƫ�����������ÿ��ܵ��½�������
int pixoff = 2;
// �������> ����
if (contentBytes.length > 0 && contentBytes.length < 800) {
boolean[][] codeOut = qrcodeHandler.calQrcode(contentBytes);
for (int i = 0; i < codeOut.length; i++) {
for (int j = 0; j < codeOut.length; j++) {
if (codeOut[j][i]) {
gs.fillRect(j * 3 + pixoff, i * 3 + pixoff, 3, 3);
}
}
}
} else {
throw new Exception("QRCode content bytes length = " + contentBytes.length + " not in [0, 800].");
}
gs.dispose();
bufImg.flush();
} catch (Exception e) {
e.printStackTrace();
}
return bufImg;
}
public void encoderQRCode(String content, String imgPath, String imgType, int size) {
try {
BufferedImage bufImg = this.qRCodeCommon(content, imgType, size);
File imgFile = new File(imgPath);
// ���ɶ�ά��QRCodeͼƬ
ImageIO.write(bufImg, imgType, imgFile);
} catch (Exception e) {
e.printStackTrace();
}
}
public void encoderQRCode(String content, String imgPath) {
this.encoderQRCode(content, imgPath, "png", 7);
}
}