code: def draw_text(
      self, gc, x, y, s, prop, angle, ismath=False, mtext=None
  ):
      x, y = int(x), int(y)
  
      if x < 0 or y < 0:  # window has shrunk and text is off the edge
          return
  
      if angle not in (0, 90):
          warnings.warn(
              "backend_gdk: unable to draw text at angles "
              + "other than 0 or 90"
          )
      elif ismath:
          self._draw_mathtext(gc, x, y, s, prop, angle)
  
      elif angle == 90:
          self._draw_rotated_text(gc, x, y, s, prop, angle)
  
      else:
          layout, inkRect, logicalRect = self._get_pango_layout(s, prop)
          l, b, w, h = inkRect
          if x + w > self.width or y + h > self.height:
              return
  
          self.gdkDrawable.draw_layout(gc.gdkGC, x, y - h - b, layout)
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import six
  import warnings
  import gobject
  import gtk
  import pango
  import numpy
  import matplotlib
  from matplotlib import rcParams
  from matplotlib._pylab_helpers import Gcf
  from matplotlib.backend_bases import _Backend, FigureCanvasBase, FigureManagerBase, GraphicsContextBase, RendererBase
  from matplotlib.cbook import warn_deprecated
  from matplotlib.mathtext import MathTextParser
  from matplotlib.transforms import Affine2D
  from matplotlib.backends._backend_gdk import pixbuf_get_pixels_array
label_desc: Use image node_id 6 for calling the RendererGDK obj's underlying member method code with example usage: obj.draw_text(gc, x, y, s, prop, angle, ismath, mtext) without return types