code: def __init__(
      self, name=DEFAULT_MP_NAME, root="~/.insightface", insfa=None
  ):
      # if insfa is None, enter render_only mode
      self.mp_name = name
      self.root = root
      self.insfa = insfa
      model_dir = get_model_dir(name, root)
      bfm_file = osp.join(model_dir, "BFM.mat")
      assert osp.exists(
          bfm_file
      ), "should contains BFM.mat in your model directory"
      self.bfm = face3d.morphable_model.MorphabelModel(bfm_file)
      self.index_ind = self.bfm.kpt_ind
      bfm_uv_file = osp.join(model_dir, "BFM_UV.mat")
      assert osp.exists(
          bfm_uv_file
      ), "should contains BFM_UV.mat in your model directory"
      uv_coords = face3d.morphable_model.load.load_uv_coords(
          bfm_uv_file
      )
      self.uv_size = (224, 224)
      self.mask_stxr = 0.1
      self.mask_styr = 0.33
      self.mask_etxr = 0.9
      self.mask_etyr = 0.7
      self.tex_h, self.tex_w, self.tex_c = (
          self.uv_size[1],
          self.uv_size[0],
          3,
      )
      texcoord = np.zeros_like(uv_coords)
      texcoord[:, 0] = uv_coords[:, 0] * (self.tex_h - 1)
      texcoord[:, 1] = uv_coords[:, 1] * (self.tex_w - 1)
      texcoord[:, 1] = self.tex_w - texcoord[:, 1] - 1
      self.texcoord = np.hstack(
          (texcoord, np.zeros((texcoord.shape[0], 1)))
      )
      self.X_ind = self.bfm.kpt_ind
      self.mask_image_names = [
          "mask_white",
          "mask_blue",
          "mask_black",
          "mask_green",
      ]
      self.mask_aug_probs = [0.4, 0.4, 0.1, 0.1]
  
imports: import os, sys, datetime
  import numpy
  import os.path
  import albumentations
  from albumentations.core.transforms_interface import ImageOnlyTransform
  from .face_analysis import FaceAnalysis
  from ..utils import get_model_dir
  from ..thirdparty import face3d
  from ..data import get_image
  from ..utils import DEFAULT_MP_NAME
  import cv2
label_desc: Use image node_id 1 to create a new MaskRenderer object  with example: obj = MaskRenderer(name, root, insfa)