code: def _get_font_ttf(self, prop):
      fnames = font_manager.fontManager._find_fonts_by_props(prop)
      font = font_manager.get_font(fnames)
      font.clear()
      font.set_size(prop.get_size_in_points(), 72)
      return font
  
imports: from io import BytesIO
  import functools
  from fontTools import subset
  import matplotlib
  from ..None import font_manager, ft2font
  from .._afm import AFM
  from ..backend_bases import RendererBase
label_desc: Use image node_id 8 for calling the RendererPDFPSBase obj's underlying member method code with example usage: obj._get_font_ttf(prop) and returns: font