解决保存图片为空的错误

2024-09-23 21:34:49 +08:00
parent c8648c04a4
commit 75018880b4
2 changed files with 16 additions and 12 deletions
@@ -1,11 +1,15 @@
 from pickletools import uint8
 import cv2 as cv
 import numpy as np
-img=np.ones((512,512))
+img = np.ones((512, 512, 3), dtype=np.uint8) * 255
 def draw_circle(event, x, y, flags, param):
    if event == cv.EVENT_LBUTTONDOWN:
-        cv.circle(img,(x,y),20,0,-1)
+        cv.circle(img, (x, y), 20, (0, 0, 0), -1)
 cv.namedWindow('show_img')