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logoDisp.py
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import cv2
WAIT_TIME = 1
STEP = 0.2
#Wait time (ms)
FULLDISP_TIME = 3000
def fadeIn(logo, bg):
i = 0
while i <= 1:
res = cv2.addWeighted(logo, i, bg, 1 - i, 0)
i += STEP
cv2.imshow('logo', res)
cv2.waitKey(WAIT_TIME)
def fadeOut(logo, bg):
i = 0
while i <= 1:
res = cv2.addWeighted(logo, 1 - i, bg, i, 0)
i += STEP
cv2.imshow('logo', res)
cv2.waitKey(WAIT_TIME)
def main():
#cv2.namedWindow('logo', cv2.WINDOW_AUTOSIZE)
cv2.namedWindow('logo', cv2.WINDOW_NORMAL)
cv2.setWindowProperty('logo', cv2.WND_PROP_FULLSCREEN, cv2.WINDOW_FULLSCREEN)
logo = cv2.imread('./img/logo.png')
bg = cv2.imread('./img/background.png')
cv2.imshow('logo', bg)
cv2.waitKey(1)
fadeIn(logo, bg)
cv2.imshow('logo', logo)
cv2.waitKey(FULLDISP_TIME)
fadeOut(logo, bg)
cv2.imshow('logo', bg)
cv2.waitKey(1)
cv2.destroyAllWindows()
if __name__ == "__main__":
main()