Source code for PIL.GimpPaletteFile

#
# Python Imaging Library
# $Id$
#
# stuff to read GIMP palette files
#
# History:
# 1997-08-23 fl     Created
# 2004-09-07 fl     Support GIMP 2.0 palette files.
#
# Copyright (c) Secret Labs AB 1997-2004.  All rights reserved.
# Copyright (c) Fredrik Lundh 1997-2004.
#
# See the README file for information on usage and redistribution.
#
from __future__ import annotations

import re
from typing import IO

from ._binary import o8


[docs] class GimpPaletteFile: """File handler for GIMP's palette format.""" rawmode = "RGB" def __init__(self, fp: IO[bytes]) -> None: palette = [o8(i) * 3 for i in range(256)] if fp.readline()[:12] != b"GIMP Palette": msg = "not a GIMP palette file" raise SyntaxError(msg) for i in range(256): s = fp.readline() if not s: break # skip fields and comment lines if re.match(rb"\w+:|#", s): continue if len(s) > 100: msg = "bad palette file" raise SyntaxError(msg) v = tuple(map(int, s.split()[:3])) if len(v) != 3: msg = "bad palette entry" raise ValueError(msg) palette[i] = o8(v[0]) + o8(v[1]) + o8(v[2]) self.palette = b"".join(palette)
[docs] def getpalette(self) -> tuple[bytes, str]: return self.palette, self.rawmode