uc480_h.py 文件源码

def create_camera_list(dwCount):
    """Returns an instance of the UC480_CAMERA_LIST structure having the properly scaled UC480_CAMERA_INFO array.

    :param ULONG dwCount: Number of camera info structures requested.
    :returns: UC480_CAMERA_LIST

    :var ULONG dwCount: Size of uci.
    :var UC480_CAMERA_INFO[dwCount] uci: List of camera info structures.
    """
    class UC480_CAMERA_LIST(ctypes.Structure):
        _fields_ = [("dwCount", wt.ULONG),
                    ("uci", UC480_CAMERA_INFO * dwCount)]
    a_list = UC480_CAMERA_LIST()
    a_list.dwCount = dwCount
    return a_list

#  ----------------------------------------------------------------------------
#  the  following defines are the status bits of the dwStatus member of
#  the UC480_CAMERA_INFO structure