56 lines
1.1 KiB
Python
56 lines
1.1 KiB
Python
|
#
|
||
|
# 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
|
||
|
|
||
|
##
|
||
|
# File handler for Teragon-style palette files.
|
||
|
|
||
|
|
||
|
class PaletteFile:
|
||
|
|
||
|
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[0:1] == b"#":
|
||
|
continue
|
||
|
if len(s) > 100:
|
||
|
raise SyntaxError("bad palette file")
|
||
|
|
||
|
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
|