Code.py

# This app will use your built-in webcam to control your slides presentation.

import win32com.client
from cvzone.HandTrackingModule import HandDetector
import cv2
import os
import numpy as np
import aspose.slides as slides
import aspose.pydrawing as drawing
Application = win32com.client.Dispatch("PowerPoint.Application" )
Presentation = Application.Presentations.Open("C:\\Users\\ujair shaha\\Desktop\\3rd year Notes\\DBMS\ADBMS CA\\ADBMS presentation.pptx")
print(Presentation.Name)
Presentation.SlideShowSettings.Run()

# Parameters
width, height = 900, 720
gestureThreshold = 300
maxZoomFactor = 2
minZoomFactor = 1
zoomFactor = 1


# Camera Setup
cap = cv2.VideoCapture(0)
cap.set(3, width)
cap.set(4, height) 

# Hand Detector
detectorHand = HandDetector(detectionCon=0.8, maxHands=1)

# Variables
imgList = []
delay = 30
buttonPressed = False
counter = 0
drawMode = False
imgNumber = 20
delayCounter = 0
annotations = [[]]
annotationNumber = -1
annotationStart = False


while True:
    # Get image frame
    success, img = cap.read()
    imgCurrent = img.copy()
    # Find the hand and its landmarks
    hands, img = detectorHand.findHands(img)  # with draw
    if hands and buttonPressed is False:  # If hand is detected
        hand = hands[0]
        cx, cy = hand["center"]
        lmList = hand["lmList"]  # List of 21 Landmark points
        fingers = detectorHand.fingersUp(hand)  # List of which fingers are up
        if cy <= gestureThreshold:  # If hand is at the height of the face
            if fingers == [1, 1, 1, 1, 1]:
                print("Next")
                buttonPressed = True
                if imgNumber > 0:
                    Presentation.SlideShowWindow.View.Next()
                    annotations = [[]]
                    annotationNumber = -1
                    annotationStart = False
            if fingers == [1, 0, 0, 0, 0]:
                print("Previous")
                buttonPressed = True
                if imgNumber >0 :
                    Presentation.SlideShowWindow.View.Previous()
                    imgNumber += 1
                    annotations = [[]]
                    annotationNumber = -1
                    annotationStart = False
 
    else:
        annotationStart = False
 
    if buttonPressed:
        counter += 1
        if counter > delay:
            counter = 0
            buttonPressed = False
 
    for i, annotation in enumerate(annotations):
        for j in range(len(annotation)):
            if j != 0:
                cv2.line(imgCurrent, annotation[j - 1], annotation[j], (0, 0, 200), 12)
 
    cv2.imshow("Image", img)
 
    key = cv2.waitKey(1)
    if key == ord('q'):
        break