有没有一种简单的方法可以使用OpenCv打开图像,并保持其打开状态直到被单击,然后返回像素坐标并销毁图像,就像使用WaitKey()一样,只是带有返回键,然后单击作为触发器?
这应该做您想要的:
#!/usr/bin/env python3
import cv2
import numpy as np
def onClick(event,x,y,flags,param):
"""Called whenever user left clicks"""
global Running
if event == cv2.EVENT_LBUTTONDOWN:
print(f'I saw you click at {x},{y}')
Running = False
# Create window
wname = "Funky Image"
cv2.namedWindow(winname=wname)
cv2.setMouseCallback(wname, onClick)
# Load an image
img = cv2.imread('image.jpg')
Running = True
while Running:
cv2.imshow(wname,img)
cv2.waitKey(1)
cv2.destroyAllWindows