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# # 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 i8, i16le as i16, i32le as i32 # # -------------------------------------------------------------------- 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 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")