def open(self):
self.set_esize(self.resolution)
args = self.get_size()
if not args:
return
h, w = args[1].value, args[0].value
shape = (h, w)
if self.bits == 8:
dtype = uint8
else:
dtype = uint32
self._data = zeros(shape, dtype=dtype)
self._cnt = 0
def get_frame(nEvent, ctx):
if nEvent == TOUPCAM_EVENT_IMAGE:
w, h = ctypes.c_uint(), ctypes.c_uint()
bits = ctypes.c_int(self.bits)
lib.Toupcam_PullImage(self.cam, ctypes.c_void_p(self._data.ctypes.data), bits,
ctypes.byref(w),
ctypes.byref(h))
elif nEvent == TOUPCAM_EVENT_STILLIMAGE:
w, h = self.get_size()
h, w = h.value, w.value
dtype = uint32
shape = (h, w)
still = zeros(shape, dtype=dtype)
bits = ctypes.c_int(self.bits)
lib.Toupcam_PullStillImage(self.cam, ctypes.c_void_p(still.ctypes.data), bits, None, None)
self._do_save(still)
CB = ctypes.CFUNCTYPE(None, ctypes.c_uint, ctypes.c_void_p)
self._frame_fn = CB(get_frame)
result = lib.Toupcam_StartPullModeWithCallback(self.cam, self._frame_fn)
return success(result)
def get_esize(self):
res = ctypes.c_long()
result = lib.Toupcam_get_eSize(self.cam, ctypes.byref(res))
if success(result):
return res
def get_size(self):
w, h = ctypes.c_long(), ctypes.c_long()
result = lib.Toupcam_get_Size(self.cam, ctypes.byref(w), ctypes.byref(h))
if success(result):
return w, h
def get_hardware_version(self):
hw = ctypes.create_string_buffer(16)
result = lib.Toupcam_get_HwVersion(self.cam, hw)
if success(result):
return hw.value
def get_firmware_version(self):
fw = ctypes.create_string_buffer(16)
result = lib.Toupcam_get_FwVersion(self.cam, fw)
if success(result):
return fw.value
def get_serial(self):
sn = ctypes.create_string_buffer(32)
result = lib.Toupcam_get_SerialNumber(self.cam, sn)
if success(result):
sn = sn.value
return sn
def get_auto_exposure(self):
expo_enabled = ctypes.c_bool()
result = lib.Toupcam_get_AutoExpoEnable(self.cam, ctypes.byref(expo_enabled))
if success(result):
return expo_enabled.value
def _lib_func(self, func, *args, **kw):
ff = getattr(lib, 'Toupcam_{}'.format(func))
result = ff(self.cam, *args, **kw)
return success(result)