'Render the figure using RendererWx instance renderer, or using a
previously defined renderer if none is specified.'

def draw(self, drawDC=None):

    DEBUG_MSG(u'draw()', 1, self)
    self.renderer = RendererWx(self.bitmap, self.figure.dpi)
    self.figure.draw(self.renderer)
    self._isDrawn = True
    self.gui_repaint(drawDC=drawDC)
