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- #
- # Python Imaging Library
- # $Id: GimpPaletteFile.py 2134 2004-10-06 08:55:20Z fredrik $
- #
- # 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, string
-
- ##
- # File handler for GIMP's palette format.
-
- class GimpPaletteFile:
-
- rawmode = "RGB"
-
- def __init__(self, fp):
-
- self.palette = map(lambda i: chr(i)*3, range(256))
-
- if fp.readline()[:12] != "GIMP Palette":
- raise SyntaxError, "not a GIMP palette file"
-
- i = 0
-
- while i <= 255:
-
- s = fp.readline()
-
- if not s:
- break
- # skip fields and comment lines
- if re.match("\w+:|#", s):
- continue
- if len(s) > 100:
- raise SyntaxError, "bad palette file"
-
- v = tuple(map(int, string.split(s)[:3]))
- if len(v) != 3:
- raise ValueError, "bad palette entry"
-
- if 0 <= i <= 255:
- self.palette[i] = chr(v[0]) + chr(v[1]) + chr(v[2])
-
- i = i + 1
-
- self.palette = string.join(self.palette, "")
-
-
- def getpalette(self):
-
- return self.palette, self.rawmode
-