docs: def init(canvas_size=(512, 512), max_depth=12, face_color=None, background_color=None):
      """Initializes global state"""
      global _background_color
      _background_color = background_color
      global _ctx
      global cnt_elements
      global MAX_DEPTH
      global WIDTH
      global HEIGHT
  
      _init_state()
      sys.setrecursionlimit(20000)
      MAX_DEPTH = max_depth
      WIDTH, HEIGHT = canvas_size
  
      if face_color is not None:
          r, g, b = htmlcolor_to_rgb(face_color)
          _state["ctx"].set_source_rgb(r, g, b)
          hue, saturation, brightness = colorsys.rgb_to_hsv(r, g, b)
          _state["color"] = (hue, saturation, brightness, 1)
      logger.debug("Init done")