05/14 끝

Homework/QRCode/main.cpp

@@ -0,0 +1,44 @@
+#include <iostream>
+#include "opencv2/opencv.hpp"
+
+using namespace std;
+using namespace cv;
+
+int main() {
+	VideoCapture cap(0);
+
+	if (!cap.isOpened()) {
+		cerr << "Camera open failed!" << endl;
+		return 0;
+	}
+
+	QRCodeDetector detector;
+
+	Mat frame;
+	while (true) {
+		cap >> frame;
+		if (frame.empty())
+			break;
+
+		vector<Point> points;
+		Mat straightQRCode;
+		string info = detector.detectAndDecode(frame, points, straightQRCode);
+		resize(straightQRCode, straightQRCode, Size(200, 200));
+
+		if (!info.empty()) {
+			polylines(frame, points, true, Scalar(0, 0, 255), 2);
+			putText(frame, info, Point(10, 30), FONT_HERSHEY_DUPLEX, 1, Scalar(0, 0, 255));
+			imshow("QR", straightQRCode);
+		}
+		else {
+			destroyWindow("QR");
+		}
+
+		imshow("frame", frame);
+
+		if (waitKey(10) == 27)
+			break;
+	}
+
+	return 0;
+}