123BUM123
import cv2
from cvzone.HandTrackingModule import HandDetector
class Button:
def __init__(self, pos, width, height, value):
self.pos = pos
self.width = width
self.height = height
self.value = value
def draw(self, img):
cv2.rectangle(img, self.pos, (self.pos[0] + self.width, self.pos[1] + self.height),
(225, 225, 225), cv2.FILLED)
cv2.rectangle(img, self.pos, (self.pos[0] + self.width, self.pos[1] + self.height),
(50, 50, 50), 3)
cv2.putText(img, self.value, (self.pos[0] + 30, self.pos[1] + 70), cv2.FONT_HERSHEY_PLAIN,
2, (50, 50, 50), 2)
def checkClick(self, x, y):
if self.pos[0] < x < self.pos[0] + self.width and \
self.pos[1] < y < self.pos[1] + self.height:
cv2.rectangle(img, (self.pos[0] + 3, self.pos[1] + 3),
(self.pos[0] + self.width - 3, self.pos[1] + self.height - 3),
(255, 255, 255), cv2.FILLED)
cv2.putText(img, self.value, (self.pos[0] + 25, self.pos[1] + 80), cv2.FONT_HERSHEY_PLAIN,
5, (0, 0, 0), 5)
return True
else:
return False
# Buttons
buttonListValues = [['7', '8', '9', '*'],
['4', '5', '6', '-'],
['1', '2', '3', '+'],
['0', '/', '.', '=']]
buttonList = []
for x in range(4):
for y in range(4):
xpos = x * 100 + 800
ypos = y * 100 + 150
buttonList.append(Button((xpos, ypos), 100, 100, buttonListValues[y][x]))
# Variables
myEquation = ''
delayCounter = 0
# Webcam
cap = cv2.VideoCapture(0)
detector = HandDetector(detectionCon=0.8, maxHands=1)
while True:
# Get image frame
success, img = cap.read()
img = cv2.flip(img, 1)
hands, img = detector.findHands(img)
# Draw All
cv2.rectangle(img, (800, 70), (800 + 400, 70 + 100),
(225, 225, 225), cv2.FILLED)
cv2.rectangle(img, (800, 70), (800 + 400, 70 + 100),
(50, 50, 50), 3)
for button in buttonList:
button.draw(img)
# Check for Hand
if hands:
# Find distance between fingers
lmList = hands[0]['lmList']
length, _, img = detector.findDistance(lmList[8], lmList[12], img)
print(length)
x, y = lmList[8]
# If clicked check which button and perform action
if length < 50 and delayCounter == 0:
for i, button in enumerate(buttonList):
if button.checkClick(x, y):
myValue = buttonListValues[int(i % 4)][int(i / 4)] # get correct number
if myValue == '=':
myEquation = str(eval(myEquation))
else:
myEquation += myValue
delayCounter = 1
# to avoid multiple clicks
if delayCounter != 0:
delayCounter += 1
if delayCounter > 10:
delayCounter = 0
# Write the Final answer
cv2.putText(img, myEquation, (810, 130), cv2.FONT_HERSHEY_PLAIN,
3, (0, 0, 0), 3)
# Display
key = cv2.waitKey(1)
cv2.imshow("Image", img)
if key == ord('c'):
myEquation = ''
Januth Peiris