code: def forward(self, x):
      out_dict = dict()
      x = self._pad2d(x)
      out_dict["in_conv"] = self._in_conv.forward(x)
      out_dict["down1"] = self._down1.forward(out_dict["in_conv"])
      out_dict["down2"] = self._down2.forward(out_dict["down1"])
      out_dict["down3"] = self._down3.forward(out_dict["down2"])
      out_dict["res_blocks"] = self._conv_blocks.forward(
          out_dict["down3"]
      )
      return out_dict
  
file_path: PaddleOCR/StyleText/arch/encoder.py
imports: import paddle
  import paddle.nn
  from arch.base_module import SNConv, SNConvTranspose, ResBlock
label_desc: Use image node_id 2 for calling the Encoder obj's underlying member method code with example usage: obj.forward(x) and returns: out_dict