simple.py 文件源码

def render(self, stream, value):
        im = self.im.copy()
        im2 = self.im.copy()
        x = 0
        r_i = sum(ord(c) for c in value)  # ????????????????
        for c in value:
            fgimg = Image.new('RGBA', self.size, self.font_color)
            charimg = Image.new('L', self.font.getsize(c), '#000000')

            draw = ImageDraw.Draw(charimg)
            draw.text((0, 0), c, font=self.font, fill='#ffffff')

            r = (int(time()) / 1000 + ord(c) + r_i) % 40 - 20  # ???????????????
            charimg = charimg.rotate(r, expand=1, resample=Image.BICUBIC)
            charimg = charimg.crop(charimg.getbbox())

            maskimg = Image.new('L', self.size)
            y = (im2.size[1] - charimg.size[1]) / 2
            maskimg.paste(charimg, (x, y, charimg.size[0] + x, charimg.size[1] + y))

            im2 = Image.composite(fgimg, im2, maskimg)
            x += charimg.size[0] - 5  # - X???

        # ??????? x ??
        center = (im.size[0] - x) / 2
        im.paste(im2, (center, 0, im2.size[0]+center, im2.size[1]))

        im.save(stream, self.image_type)