screenshot.py 文件源码

def trim(im):
    pixel = (255, 255, 255)  # ????????????? ?? ????? ????
    # pixel = im.getpixel((0,0))  # ????????????? ?? ??????? ? ?????? ???????? ????
    bg = Image.new(im.mode, im.size, pixel)
    diff = ImageChops.difference(im, bg)
    diff = ImageChops.add(diff, diff, 2.0, -100)
    bbox = diff.getbbox()
    logger.info(bbox)
    if bbox:
        return im.crop(bbox)
    else:
        return im