22 lines
491 B
Python
22 lines
491 B
Python
import cv2 as cv
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# 1
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img=cv.imread("sample.jpg",cv.IMREAD_GRAYSCALE)
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# 2
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def draw_circle(event,x,y,flags,param):
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if event==cv.EVENT_LBUTTONDOWN:
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cv.circle(img,(x,y),10,0,-1)
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#3
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cv.namedWindow('modify_sample')
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cv.setMouseCallback('modify_sample',draw_circle)
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#4
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alpha=0.3
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beta=80
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while(1):
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cv.imshow('modify_sample',img)
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pressedKey=cv.waitKey(5)
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# 5
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if pressedKey==ord('q'):
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break
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if pressedKey==ord('s'):
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cv.imwrite('modified_sample.jpg',img) |