code: def get_type_and_shape(cls, bitmap):
      w = _FI.FreeImage_GetWidth(bitmap)
      h = _FI.FreeImage_GetHeight(bitmap)
      fi_type = _FI.FreeImage_GetImageType(bitmap)
      if not fi_type:
          raise ValueError(
              "mahotas.freeimage: unknown image pixel type"
          )
      dtype = cls.dtypes[fi_type]
      if fi_type == cls.FIT_BITMAP:
          bpp = _FI.FreeImage_GetBPP(bitmap)
          if bpp == 1:
              # This is a special case
              return "bit", None
          elif bpp == 8:
              extra_dims = []
          elif bpp == 16:
              extra_dims = []
              dtype = np.uint16
          elif bpp == 24:
              extra_dims = [3]
          elif bpp == 32:
              extra_dims = [4]
          else:
              raise ValueError(
                  "mahotas.freeimage: cannot convert %d BPP bitmap"
                  % bpp
              )
      else:
          extra_dims = cls.extra_dims[fi_type]
      return np.dtype(dtype), extra_dims + [w, h]
  
imports: import sys
  import os
  import ctypes
  import ctypes.util
  import numpy
label_desc: Use image node_id 1 for calling the FI_TYPES obj's underlying member method code with example usage: obj.get_type_and_shape(cls, bitmap) and returns: np,  unknown, str,  None