import sqlite3

conn = sqlite3.connect('info.db')
c = conn.cursor()
print ("数据库打开成功")
strs = "INSERT INTO XYZ VALUES ("


import cv2
import mediapipe as mp

mp_drawing = mp.solutions.drawing_utils
mp_drawing_styles = mp.solutions.drawing_styles
mp_hands = mp.solutions.hands

num = 0
# For webcam input:
cap = cv2.VideoCapture(0)

with mp_hands.Hands(
    model_complexity=0,
    max_num_hands=2,
    min_detection_confidence=0.5,
    min_tracking_confidence=0.5) as hands:
  while cap.isOpened():
    success, image = cap.read()
    if not success:
      print("Ignoring empty camera frame.")
      # If loading a video, use 'break' instead of 'continue'.
      continue

    # To improve performance, optionally mark the image as not writeable to
    # pass by reference.
    image.flags.writeable = False
    image = cv2.cvtColor(image, cv2.COLOR_BGR2RGB)
    results = hands.process(image)

    # Draw the hand annotations on the image.
    image.flags.writeable = True
    image = cv2.cvtColor(image, cv2.COLOR_RGB2BGR)
    aa=0
    if results.multi_hand_landmarks:
      wt = []
      for i in range(42 * 3):
        wt.append(0)
      for i,hand_landmarks in enumerate(results.multi_hand_landmarks):
        if (results.multi_handedness[i].classification[0].label)=="Left":
            num = 0
        else:
            num =1
        for j,handlms in enumerate(hand_landmarks.landmark):
            wt[num*21*3+j*3],wt[num*21*3+j*3+1],wt[num*21*3+j*3+2] = handlms.x, handlms.y, handlms.z
        mp_drawing.draw_landmarks(
            image,
            hand_landmarks,
            mp_hands.HAND_CONNECTIONS,
            mp_drawing_styles.get_default_hand_landmarks_style(),
            mp_drawing_styles.get_default_hand_connections_style())
    # Flip the image horizontally for a selfie-view display.
    cv2.imshow('MediaPipe Hands', cv2.flip(image, 1))
    ctl = cv2.waitKey(5)
    if ctl == ord('q'):
      break
    elif ctl==ord('s'):
        strs = "INSERT INTO XYZ VALUES ("
        word = "\'"+input()+"\',"
        strs+=word
        print(aa)
        for i in wt:
            strs+=str(i)[:7]+","
        strs = strs[:-1] + ");"
        print(strs)
        c.execute(strs)
cap.release()
conn.commit()

print ("数据插入成功")
conn.close()