Created
July 6, 2019 05:09
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import cv2 | |
import numpy as np | |
import time | |
drawing = False # true if mouse is pressed | |
ix,iy = -1,-1 | |
# mouse callback function | |
def draw_circle(event,x,y,flags,param): | |
global ix,iy,drawing | |
if event == cv2.EVENT_LBUTTONDOWN: | |
drawing = True | |
ix,iy = x,y | |
elif event == cv2.EVENT_MOUSEMOVE: | |
if drawing == True: | |
cv2.circle(img,(x,y),2,(0,0,255),-1) | |
elif event == cv2.EVENT_LBUTTONUP: | |
drawing = False | |
cv2.circle(img,(x,y),5,(0,0,255),-1) | |
# capture time and do whatever you like with time.time() - start | |
print(time.time() - start) | |
img = np.zeros((512,512,3), np.uint8) | |
cv2.namedWindow('image') | |
cv2.setMouseCallback('image',draw_circle) | |
#capture starting time. | |
start = time.time() | |
while(1): | |
cv2.imshow('image',img) | |
k = cv2.waitKey(1) & 0xFF | |
cv2.destroyAllWindows() |
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