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| #
| # Python Imaging Library
| # $Id$
| #
| # stuff to read simple, teragon-style palette files
| #
| # History:
| # 97-08-23 fl Created
| #
| # Copyright (c) Secret Labs AB 1997.
| # Copyright (c) Fredrik Lundh 1997.
| #
| # See the README file for information on usage and redistribution.
| #
|
| from ._binary import o8
|
|
| class PaletteFile:
| """File handler for Teragon-style palette files."""
|
| rawmode = "RGB"
|
| def __init__(self, fp):
| self.palette = [(i, i, i) for i in range(256)]
|
| while True:
| s = fp.readline()
|
| if not s:
| break
| if s[:1] == b"#":
| continue
| if len(s) > 100:
| msg = "bad palette file"
| raise SyntaxError(msg)
|
| v = [int(x) for x in s.split()]
| try:
| [i, r, g, b] = v
| except ValueError:
| [i, r] = v
| g = b = r
|
| if 0 <= i <= 255:
| self.palette[i] = o8(r) + o8(g) + o8(b)
|
| self.palette = b"".join(self.palette)
|
| def getpalette(self):
| return self.palette, self.rawmode
|
|
