c++生成二维码

#include <iostream>
#include "qrencode.h"
using namespace std;
int main(int argc, char *argv[])
{
    QRcode *qr=QRcode_encodeString("http://www.cnblogs.com/verstin/",1,QR_ECLEVEL_L,  QR_MODE_8,1);

    int width=qr->width;
    int height=width;
    for (int y=0;y<height;y++)
    {
        for (int x=0;x<width;x++)
        {
            if(qr->data[y*width+x]&0x01)
                cout<<"##";
            else
                cout<<"  ";

        }
        cout<<endl;
    }
    QRcode_free(qr);

    cin.get();
}