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- #
- # 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.
- #
- import re
- from ._binary import o8
- class GimpPaletteFile:
- """File handler for GIMP's palette format."""
- rawmode = "RGB"
- def __init__(self, fp):
- self.palette = [o8(i) * 3 for i in range(256)]
- if fp.readline()[:12] != b"GIMP Palette":
- raise SyntaxError("not a GIMP palette file")
- for i in range(256):
- s = fp.readline()
- if not s:
- break
- # skip fields and comment lines
- if re.match(br"\w+:|#", s):
- continue
- if len(s) > 100:
- raise SyntaxError("bad palette file")
- v = tuple(map(int, s.split()[:3]))
- if len(v) != 3:
- raise ValueError("bad palette entry")
- self.palette[i] = o8(v[0]) + o8(v[1]) + o8(v[2])
- self.palette = b"".join(self.palette)
- def getpalette(self):
- return self.palette, self.rawmode
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