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
@@ -69,6 +69,6 @@ if __name__ == '__main__':
        vis = a.copy()
        draw_str(vis, (20, 20), 'frame %d' % frame_i)
        cv2.imshow('a', vis)
-        if 0xFF & cv2.waitKey(5) == 27:
+        if cv2.waitKey(5) == 27:
            break
    cv2.destroyAllWindows()