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#include <iostream>
#include <opencv2/core.hpp>
#include <opencv2/highgui.hpp>
#include <opencv2/imgproc.hpp>
using namespace std;
using namespace cv;
#include <opencv2/wechat_qrcode.hpp>
int main(int argc, char* argv[]) {
cout << endl << argv[0] << endl << endl;
cout << "A demo program of WeChat QRCode Detector: " << endl;
Mat img;
int camIdx = -1;
if (argc > 1) {
bool live = strcmp(argv[1], "-camera") == 0;
if (live) {
camIdx = argc > 2 ? atoi(argv[2]) : 0;
} else {
img = imread(argv[1]);
}
} else {
cout << " Usage: " << argv[0] << " <input_image>" << endl;
return 0;
}
// The model is downloaded to ${CMAKE_BINARY_DIR}/downloads/wechat_qrcode if cmake runs without warnings,
// otherwise you can download them from https://github.com/WeChatCV/opencv_3rdparty/tree/wechat_qrcode.
Ptr<wechat_qrcode::WeChatQRCode> detector;
try {
detector = makePtr<wechat_qrcode::WeChatQRCode>("", "", "", "");
} catch (const std::exception& e) {
cout <<
"\n---------------------------------------------------------------\n"
"Failed to initialize WeChatQRCode.\n"
"---------------------------------------------------------------\n";
cout << e.what() << endl;
return 0;
}
string prevstr = "";
vector<Mat> points;
if (camIdx < 0) {
auto res = detector->detectAndDecode(img, points);
for (const auto& t : res) cout << t << endl;
} else {
VideoCapture cap(camIdx);
for(;;) {
cap >> img;
if (img.empty())
break;
auto res = detector->detectAndDecode(img, points);
for (const auto& t : res) {
if (t != prevstr)
cout << t << endl;
}
if (!res.empty())
prevstr = res.back();
imshow("image", img);
if (waitKey(30) >= 0)
break;
}
}
return 0;
}
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