Return layout information for slide

def draw_slide(self, slide):
        """ Return layout information for slide """

        image = Image.new('RGB', (WIDTH, HEIGHT), 'black')
        draw = ImageDraw.Draw(image)
        draw.font = self.font
        
        self.draw_slide_text(draw, slide)

        self.draw_slide_images(draw, slide, image)

        return image