Ler QR Code

import cv2
from pyzbar import pyzbar
cap = cv2.VideoCapture(0)
while True:
    ret, frame = cap.read()
    frame = cv2.resize(frame, (600, 600))
    font = cv2.FONT_HERSHEY_SIMPLEX
    cv2.putText(frame, 'Press q to close camera', (15, 25),
                font, 0.6, (0, 255, 255), 1)
    data = pyzbar.decode(frame)
    for xywh in data:
        (x, y, w, h) = xywh.rect
        cv2.rectangle(frame, (x, y), (x + w, y + h), (255, 0, 255), 2)
        text = data[0].data.decode('utf-8')
        cv2.putText(frame, text, (x, y - 50), font, 0.8, (255, 0, 255), 2)
    cv2.imshow("QR code scanner", frame)
    if cv2.waitKey(1) == ord('q'):
        break
cap.release()
cv2.destroyAllWindows()