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38 lines (34 loc) · 1.1 KB
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Copy pathclickControl.py
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38 lines (34 loc) · 1.1 KB
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import numpy as np
import cv2 as cv
def getClikePointColor(img,x,y):
#真坑啊，数组的x,y和鼠标回调坐标是调过来的
B,G,R = img[y,x]
return B,G,R
def clickFunction (event,x,y,flags,param):
if event == cv.EVENT_LBUTTONDOWN:
print(x, y)
img = param
B,G,R = getClikePointColor(img,x,y)
text = 'R:'+str(R)+' G:'+str(G)+' B:'+str(B)
cv.putText(img,text,(x+5,y-5),cv.FONT_HERSHEY_SIMPLEX,0.5,(0,0,255))
cv.circle(img,(x,y),1,(255,0,0))
def main():
cap = cv.VideoCapture(0)
cap.set(cv.CAP_PROP_FRAME_WIDTH, 800)
cap.set(cv.CAP_PROP_FRAME_HEIGHT, 600)
_, img = cap.read()
# img = cv.imread('temp.jpg')
img_temp = img.copy()
cv.namedWindow('image')
cv.setMouseCallback('image',clickFunction,img)
while True:
cv.imshow('image',img)
if cv.waitKey(20) & 0xFF == 27:
break
#清屏
if cv.waitKey(20) & 0xFF == ord('c'):
img = img_temp.copy()
cv.setMouseCallback('image', clickFunction, img)
cv.destroyAllWindows()
if __name__ == '__main__':
main()