Initial commit

client/qr_scan2.py

@@ -0,0 +1,44 @@
+import cv2
+from pyzbar import pyzbar
+
+
+def read_barcodes(frame):
+	barcodes = pyzbar.decode(frame)
+	found = False
+	for barcode in barcodes:
+		x, y , w, h = barcode.rect
+		
+
+		barcode_info = barcode.data.decode('utf-8')
+		cv2.rectangle(frame, (x, y),(x+w, y+h), (0, 255, 0), 2)
+		
+		font = cv2.FONT_HERSHEY_DUPLEX
+		cv2.putText(frame, barcode_info, (x + 6, y - 6), font, 0.5, (255, 255, 255), 1)
+		print(barcode_info, end="")
+		found = len(barcode_info) != 0
+		
+	return frame, found
+
+
+def main() -> None:
+	# Set video capture
+	camera = cv2.VideoCapture(0)
+	ret, frame = camera.read()
+
+	# Run decoding until 'Esc' pressed
+	while ret:
+		ret, frame = camera.read()
+		frame, found = read_barcodes(frame)
+		cv2.imshow("", frame)
+		if found:
+			break
+		if cv2.waitKey(1) & 0xFF == 27:
+			break
+
+	# Release camera and close app	
+	camera.release()
+	cv2.destroyAllWindows()
+
+
+if __name__ == "__main__":
+	main()