def _channels_data_to_image(channels_data, mode, size, depth):
if size == (0, 0):
return
num_channels = mode.length
assert depth == 8
assert len(channels_data) == num_channels
total_size = size[0] * size[1] * num_channels
image_bytes = array.array(str("B"), [0] * total_size)
for index, channel in enumerate(channels_data):
data = channel.data # zip and zip-with-prediction data is already decoded
if channel.compression == Compression.PACK_BITS:
data = packbits.decode(data)
image_bytes[index::num_channels] = array.array(str("B"), data)
pixels = get_pixel_array(image_bytes, size[0], size[1], mode.length)
return Image(pixels, mode)
