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Diffstat (limited to 'lib/Python/Lib/PIL/CurImagePlugin.py')
-rw-r--r-- | lib/Python/Lib/PIL/CurImagePlugin.py | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/lib/Python/Lib/PIL/CurImagePlugin.py b/lib/Python/Lib/PIL/CurImagePlugin.py new file mode 100644 index 000000000..0178957ee --- /dev/null +++ b/lib/Python/Lib/PIL/CurImagePlugin.py @@ -0,0 +1,87 @@ +# +# 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" + +from PIL import Image, BmpImagePlugin, _binary + + +# +# -------------------------------------------------------------------- + +i8 = _binary.i8 +i16 = _binary.i16le +i32 = _binary.i32le + + +def _accept(prefix): + return prefix[:4] == b"\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 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 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 "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") |