update samples: waitKey() usage

Original commit is a5f19f7dd6ae5bc93f73e0417a9e0bfd34c01672
2016-08-12 15:11:30 +02:00
parent 4e7b521438
commit 6d34d6b47e
76 changed files with 142 additions and 154 deletions
@@ -77,7 +77,7 @@ if __name__ == '__main__':
    cv2.imshow('src', src)
    update()
    while True:
-        ch = 0xFF & cv2.waitKey()
+        ch = cv2.waitKey()
        if ch == ord(' '):
            update()
        if ch == 27: