mirror of
https://github.com/python-pillow/Pillow.git
synced 2024-12-26 18:06:18 +03:00
85 lines
1.8 KiB
Python
85 lines
1.8 KiB
Python
#
|
|
# The Python Imaging Library.
|
|
# $Id$
|
|
#
|
|
# Windows Icon support for PIL
|
|
#
|
|
# Notes:
|
|
# uses BmpImagePlugin.py to read the bitmap data.
|
|
#
|
|
# History:
|
|
# 96-05-27 fl Created
|
|
#
|
|
# Copyright (c) Secret Labs AB 1997.
|
|
# Copyright (c) Fredrik Lundh 1996.
|
|
#
|
|
# See the README file for information on usage and redistribution.
|
|
#
|
|
|
|
|
|
__version__ = "0.1"
|
|
|
|
from . import Image, BmpImagePlugin, _binary
|
|
|
|
|
|
#
|
|
# --------------------------------------------------------------------
|
|
|
|
i8 = _binary.i8
|
|
i16 = _binary.i16le
|
|
i32 = _binary.i32le
|
|
|
|
|
|
def _accept(prefix):
|
|
return prefix[:4] == b"\0\0\1\0"
|
|
|
|
##
|
|
# Image plugin for Windows Icon files.
|
|
|
|
class IcoImageFile(BmpImagePlugin.BmpImageFile):
|
|
|
|
format = "ICO"
|
|
format_description = "Windows Icon"
|
|
|
|
def _open(self):
|
|
|
|
# check magic
|
|
s = self.fp.read(6)
|
|
if not _accept(s):
|
|
raise SyntaxError("not an ICO file")
|
|
|
|
# pick the largest icon in the file
|
|
m = b""
|
|
for i in range(i16(s[4:])):
|
|
s = self.fp.read(16)
|
|
if not m:
|
|
m = s
|
|
elif i8(s[0]) > i8(m[0]) and i8(s[1]) > i8(m[1]):
|
|
m = s
|
|
#print "width", i8(s[0])
|
|
#print "height", i8(s[1])
|
|
#print "colors", i8(s[2])
|
|
#print "reserved", i8(s[3])
|
|
#print "planes", i16(s[4:])
|
|
#print "bitcount", i16(s[6:])
|
|
#print "bytes", i32(s[8:])
|
|
#print "offset", i32(s[12:])
|
|
|
|
# load as bitmap
|
|
self._bitmap(i32(m[12:]))
|
|
|
|
# patch up the bitmap height
|
|
self.size = self.size[0], self.size[1]//2
|
|
d, e, o, a = self.tile[0]
|
|
self.tile[0] = d, (0,0)+self.size, o, a
|
|
|
|
return
|
|
|
|
|
|
#
|
|
# --------------------------------------------------------------------
|
|
|
|
Image.register_open("ICO", IcoImageFile, _accept)
|
|
|
|
Image.register_extension("ICO", ".ico")
|