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Direktori : /usr/lib/python3/dist-packages/PIL/ |
Current File : //usr/lib/python3/dist-packages/PIL/GimpPaletteFile.py |
# # 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 ._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": 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) 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