Source code for PIL.CurImagePlugin

#
# 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.
#
from . import BmpImagePlugin, Image
from ._binary import i16le as i16
from ._binary import i32le as i32

#
# --------------------------------------------------------------------


def _accept(prefix):
    return prefix[:4] == b"\0\0\2\0"


##
# Image plugin for Windows Cursor files.


[docs]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 a CUR file") # pick the largest cursor in the file m = b"" for i in range(i16(s, 4)): s = self.fp.read(16) if not m: m = s elif s[0] > m[0] and s[1] > m[1]: m = s if not m: raise TypeError("No cursors were found") # 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(CurImageFile.format, CurImageFile, _accept) Image.register_extension(CurImageFile.format, ".cur")