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camOffline.py
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camOffline.py
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import cv2
import numpy as np
import os
import track_hands as TH
class VideoCamera():
def __init__(self,overlay_image=[],draw_color =(255,200,100)):
self.cap = cv2.VideoCapture(0,cv2.CAP_DSHOW)
self.cap.set(3, 1280)
self.cap.set(4,720)
self.xp =0
self.yp =0
self.x1 = 0
self.y1 = 0
self.x2= 0
self.y2 = 0
self.brush_thickness =15
self.eraser_thickness =100
self.overlay_image = overlay_image
self.draw_color = draw_color
self.detector = TH.handDetector(min_detection_confidence=0.85)
self.image_canvas = np.zeros((720,1280,3), np.uint8)
self.default_overlay = overlay_image[0]
def __del__(self):
self.cap.release()
def set_overlay(self,frame, overlay_image):
self.default_overlay = overlay_image[0]
frame[0:125,0:1280] = self.default_overlay
return frame
def get_frame(self, frame, overlay_image):
frame[0:125,0:1280] = self.default_overlay
frame = self.detector.findHands(frame, draw=True)
landmark_list = self.detector.findPosition(frame, draw =False)
if(len(landmark_list)!=0):
self.x1, self.y1 =(landmark_list[8][1:]) #index
self.x2, self.y2 = landmark_list[12][1:] #middle
my_fingers = self.detector.fingerStatus()
if (my_fingers[1]and my_fingers[2]):
self.xp, self.yp = 0,0
if (self.y1<125):
if(200<self.x1<340):
self.default_overlay = overlay_image[0]
frame[0:125,0:1280] = self.default_overlay
self.draw_color = (255,0,0)
elif (340<self.x1<500):
self.default_overlay = overlay_image[1]
self.draw_color = (47,225,245)
frame[0:125,0:1280] = self.default_overlay
elif (500<self.x1<640):
self.default_overlay = overlay_image[2]
self.draw_color = (197,47,245)
frame[0:125,0:1280] = self.default_overlay
elif (640<self.x1<780):
self.default_overlay = overlay_image[3]
self.draw_color = (53,245,47)
frame[0:125,0:1280] = self.default_overlay
elif (1100<self.x1<1280):
self.default_overlay = overlay_image[4]
self.draw_color = (0,0,0)
frame[0:125,0:1280] = self.default_overlay
cv2.putText(frame, 'Color Selector Mode', (900,680), fontFace=cv2.FONT_HERSHEY_COMPLEX, color= (0,255,255), thickness=2, fontScale=1)
cv2.line(frame, (self.x1,self.y1), (self.x2,self.y2), color=self.draw_color, thickness=3)
if (my_fingers[1] and not my_fingers[2]):
cv2.putText(frame, "Writing Mode", (900,680), fontFace= cv2.FONT_HERSHEY_COMPLEX, color= (255,255,0), thickness=2, fontScale=1)
cv2.circle(frame, (self.x1,self.y1),15, self.draw_color, thickness=-1)
if self.xp ==0 and self.yp ==0:
self.xp =self.x1
self.yp =self.y1
if self.draw_color == (0,0,0):
cv2.line(frame, (self.xp,self.yp),(self.x1,self.y1),color= self.draw_color, thickness=self.eraser_thickness)
cv2.line(self.image_canvas, (self.xp,self.yp),(self.x1,self.y1),color= self.draw_color, thickness=self.eraser_thickness)
else:
cv2.line(frame, (self.xp,self.yp),(self.x1,self.y1),color= self.draw_color, thickness=self.brush_thickness)
cv2.line(self.image_canvas, (self.xp,self.yp),(self.x1,self.y1),color= self.draw_color, thickness=self.brush_thickness)
self.xp , self.yp = self.x1, self.y1
frame[0:125,0:1280] = self.default_overlay
img_gray = cv2.cvtColor(self.image_canvas, cv2.COLOR_BGR2GRAY)
_, imginv= cv2.threshold(img_gray, 50, 255, cv2.THRESH_BINARY_INV)
imginv = cv2.cvtColor(imginv, cv2.COLOR_GRAY2BGR)
frame = cv2.bitwise_and(frame, imginv)
frame =cv2.bitwise_or(frame, self.image_canvas)
def main():
overlay_image=[]
header_img = "Images"
header_img_list = os.listdir(header_img)
for i in header_img_list:
image = cv2.imread(f'{header_img}/{i}')
overlay_image.append(image)
cam1 = VideoCamera(overlay_image=overlay_image)
while True:
ret, input_img = cam1.cap.read()
input_img = cv2.flip(input_img,1)
my_frame = cam1.get_frame(frame=input_img, overlay_image= overlay_image)
cv2.imshow('out', my_frame)
cv2.waitKey(1)
if __name__ =="__main__" :
main()