def fromarray(obj, mode=None):"""Creates an image memory from an object exporting the array interface(using the buffer protocol).從導(dǎo)出陣列接口的對(duì)象創(chuàng)建圖像存儲(chǔ)器（使用緩沖協(xié)議）。If **obj** is not contiguous, then the tobytes method is calledand :py:func:`~PIL.Image.frombuffer` is used.如果** obj **不連續(xù)，則調(diào)用tobytes方法和：py：func：`?PIL.Image.frombuffer`被使用。If you have an image in NumPy::from PIL import Imageimport numpy as npim = Image.open('hopper.jpg')a = np.asarray(im)Then this can be used to convert it to a Pillow image::im = Image.fromarray(a):param obj: Object with array interface:param mode: Mode to use (will be determined from type if None)See: :ref:`concept-modes`.:returns: An image object... versionadded:: 1.1.6"""arr = obj.__array_interface__shape = arr['shape']ndim = len(shape)strides = arr.get('strides', None)if mode is None:try:typekey = (1, 1) + shape[2:], arr['typestr']mode, rawmode = _fromarray_typemap[typekey]except KeyError:raise TypeError("Cannot handle this data type")else:rawmode = modeif mode in ["1", "L", "I", "P", "F"]:ndmax = 2elif mode == "RGB":ndmax = 3else:ndmax = 4if ndim > ndmax:raise ValueError("Too many dimensions: %d > %d." % (ndim, ndmax))size = shape[1], shape[0]if strides is not None:if hasattr(obj, 'tobytes'):obj = obj.tobytes()else:obj = obj.tostring()return frombuffer(mode, size, obj, "raw", rawmode, 0, 1)

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