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-rw-r--r--PIL/GimpPaletteFile.py61
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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