img.py 文件源码

def _paint_line_number_bg(self, im):
        """
        Paint the line number background on the image.
        """
        if not self.line_numbers:
            return
        if self.line_number_fg is None:
            return
        draw = ImageDraw.Draw(im)
        recth = im.size[-1]
        rectw = self.image_pad + self.line_number_width - self.line_number_pad
        draw.rectangle([(0, 0),
                        (rectw, recth)],
             fill=self.line_number_bg)
        draw.line([(rectw, 0), (rectw, recth)], fill=self.line_number_fg)
        del draw