import cv2
cap = cv2.VideoCapture(0) #打开摄像头
cap.set(cv2.CAP_PROP_FRAME_WIDTH,5000)
cap.set(cv2.CAP_PROP_FRAME_HEIGHT,5000)
#size = (int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT)), int(cap.get(cv2.CAP_PROP_FRAME_WIDTH)))
size = (int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT)), 2000)
print(size)
while(1):
ret, frame = cap.read()
img = cv2.resize(frame,size)
cv2.namedWindow('img1', cv2.WINDOW_AUTOSIZE)
cv2.resizeWindow('img1',(500,500))
cv2.imshow('img1',img)
if cv2.waitKey(1) & 0xFF == ord('q'): #如果按下q 就截图保存并退出
cv2.imwrite("test3.bmp", img) #保存路径
break
cap.release()
cv2.destroyAllWindows()
因为img像素很大设置完window大小后显示还是沾满屏幕,该怎么做