import cv2
import numpy as np 
def nothing(x):
	pass

#create black image
img =np.zeros((300,512,3),np.uint8)
cv2.namedWindow('image')

cv2.createTrackbar('R','image',0,255,nothing)
cv2.createTrackbar('G','image',0,255,nothing)
cv2.createTrackbar('B','image',0,255,nothing)

switch = '0:ODD\n1:ON'
cv2.createTrackbar(switch,'image',0,1,nothing)

while (1):
	cv2.imshow('image',img)
	k=cv2.waitKey(1)
	if k == ord('q'):
		break

	r = cv2.getTrackbarPos('R','image')
	g = cv2.getTrackbarPos('G','image')
	b = cv2.getTrackbarPos('B','image')
	s = cv2.getTrackbarPos(switch,'image')

	if s == 0:
		img[:]=0
	else:
		img[:]=[r,g,b]
cv2.destroyAllWindows()