Merge branch 'Roshan-master-patch-18440' into 'master'

QR Code python

See merge request !12

qrprocess.py

+import cv2
+
+# set up camera object
+cap = cv2.VideoCapture(0)
+
+# QR code detection object
+detector = cv2.QRCodeDetector()
+
+while True:
+    # get the image
+    _, img = cap.read()
+    # get bounding box coords and data
+    data, bbox, _ = detector.detectAndDecode(img)
+    
+    # if there is a bounding box, draw one, along with the data
+    if(bbox is not None):
+        for i in range(len(bbox)):
+            cv2.line(img, tuple(bbox[i][0]), tuple(bbox[(i+1) % len(bbox)][0]), color=(255,
+                     0, 255), thickness=2)
+        cv2.putText(img, data, (int(bbox[0][0][0]), int(bbox[0][0][1]) - 10), cv2.FONT_HERSHEY_SIMPLEX,
+                    0.5, (0, 255, 0), 2)
+        if data:
+            print("data found: ", data)
+    # display the image preview
+    cv2.imshow("code detector", img)
+    if(cv2.waitKey(1) == ord("q")):
+        break
+# free camera object and exit
+cap.release()
+cv2.destroyAllWindows()