ImImagePlugin.py 文件源码

def _save(im, fp, filename, check=0):

    try:
        image_type, rawmode = SAVE[im.mode]
    except KeyError:
        raise ValueError("Cannot save %s images as IM" % im.mode)

    try:
        frames = im.encoderinfo["frames"]
    except KeyError:
        frames = 1

    if check:
        return check

    fp.write(("Image type: %s image\r\n" % image_type).encode('ascii'))
    if filename:
        fp.write(("Name: %s\r\n" % filename).encode('ascii'))
    fp.write(("Image size (x*y): %d*%d\r\n" % im.size).encode('ascii'))
    fp.write(("File size (no of images): %d\r\n" % frames).encode('ascii'))
    if im.mode == "P":
        fp.write(b"Lut: 1\r\n")
    fp.write(b"\000" * (511-fp.tell()) + b"\032")
    if im.mode == "P":
        fp.write(im.im.getpalette("RGB", "RGB;L"))  # 768 bytes
    ImageFile._save(im, fp, [("raw", (0, 0)+im.size, 0, (rawmode, 0, -1))])

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