class_docstr: The renderer handles all the drawing primitives using a graphics
  context instance that controls the colors/styles
class_docstr_tok: ["The","renderer","handles","all","the","drawing","primitives","using","a","graphics","context","instance","that","controls","the","colors\/styles"]
code: def buffer_rgba(self):
      return memoryview(self._renderer)
  
imports: from contextlib import nullcontext
  from math import radians, cos, sin
  import numpy
  import matplotlib
  from matplotlib import _api, cbook
  from matplotlib.backend_bases import _Backend, FigureCanvasBase, FigureManagerBase, RendererBase
  from matplotlib.font_manager import fontManager, get_font
  from matplotlib.ft2font import LOAD_FORCE_AUTOHINT, LOAD_NO_HINTING, LOAD_DEFAULT, LOAD_NO_AUTOHINT
  from matplotlib.mathtext import MathTextParser
  from matplotlib.path import Path
  from matplotlib.transforms import Bbox, BboxBase
  from matplotlib.backends._backend_agg import RendererAgg
label_desc: Use image node_id 13 for calling the RendererAgg obj's underlying member method code with example usage: obj.buffer_rgba() and returns: memoryview