88 lines
2 KiB
Python
88 lines
2 KiB
Python
#
|
|
# The Python Imaging Library.
|
|
# $Id$
|
|
#
|
|
# Windows Cursor 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"
|
|
|
|
import Image, BmpImagePlugin
|
|
|
|
|
|
#
|
|
# --------------------------------------------------------------------
|
|
|
|
def i16(c):
|
|
return ord(c[0]) + (ord(c[1])<<8)
|
|
|
|
def i32(c):
|
|
return ord(c[0]) + (ord(c[1])<<8) + (ord(c[2])<<16) + (ord(c[3])<<24)
|
|
|
|
|
|
def _accept(prefix):
|
|
return prefix[:4] == "\0\0\2\0"
|
|
|
|
##
|
|
# Image plugin for Windows Cursor files.
|
|
|
|
class CurImageFile(BmpImagePlugin.BmpImageFile):
|
|
|
|
format = "CUR"
|
|
format_description = "Windows Cursor"
|
|
|
|
def _open(self):
|
|
|
|
offset = self.fp.tell()
|
|
|
|
# check magic
|
|
s = self.fp.read(6)
|
|
if not _accept(s):
|
|
raise SyntaxError, "not an CUR file"
|
|
|
|
# pick the largest cursor in the file
|
|
m = ""
|
|
for i in range(i16(s[4:])):
|
|
s = self.fp.read(16)
|
|
if not m:
|
|
m = s
|
|
elif ord(s[0]) > ord(m[0]) and ord(s[1]) > ord(m[1]):
|
|
m = s
|
|
#print "width", ord(s[0])
|
|
#print "height", ord(s[1])
|
|
#print "colors", ord(s[2])
|
|
#print "reserved", ord(s[3])
|
|
#print "hotspot x", i16(s[4:])
|
|
#print "hotspot y", i16(s[6:])
|
|
#print "bytes", i32(s[8:])
|
|
#print "offset", i32(s[12:])
|
|
|
|
# load as bitmap
|
|
self._bitmap(i32(m[12:]) + offset)
|
|
|
|
# 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("CUR", CurImageFile, _accept)
|
|
|
|
Image.register_extension("CUR", ".cur")
|