diff options
Diffstat (limited to 'PIL/DcxImagePlugin.py')
-rw-r--r-- | PIL/DcxImagePlugin.py | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/PIL/DcxImagePlugin.py b/PIL/DcxImagePlugin.py deleted file mode 100644 index 3a0df01..0000000 --- a/PIL/DcxImagePlugin.py +++ /dev/null @@ -1,78 +0,0 @@ -# -# The Python Imaging Library. -# $Id: DcxImagePlugin.py 2134 2004-10-06 08:55:20Z fredrik $ -# -# DCX file handling -# -# DCX is a container file format defined by Intel, commonly used -# for fax applications. Each DCX file consists of a directory -# (a list of file offsets) followed by a set of (usually 1-bit) -# PCX files. -# -# History: -# 1995-09-09 fl Created -# 1996-03-20 fl Properly derived from PcxImageFile. -# 1998-07-15 fl Renamed offset attribute to avoid name clash -# 2002-07-30 fl Fixed file handling -# -# Copyright (c) 1997-98 by Secret Labs AB. -# Copyright (c) 1995-96 by Fredrik Lundh. -# -# See the README file for information on usage and redistribution. -# - -__version__ = "0.2" - -import Image, ImageFile - -from PcxImagePlugin import PcxImageFile - -MAGIC = 0x3ADE68B1 # QUIZ: what's this value, then? - -def i32(c): - return ord(c[0]) + (ord(c[1])<<8) + (ord(c[2])<<16) + (ord(c[3])<<24) - -def _accept(prefix): - return i32(prefix) == MAGIC - -## -# Image plugin for the Intel DCX format. - -class DcxImageFile(PcxImageFile): - - format = "DCX" - format_description = "Intel DCX" - - def _open(self): - - # Header - s = self.fp.read(4) - if i32(s) != MAGIC: - raise SyntaxError, "not a DCX file" - - # Component directory - self._offset = [] - for i in range(1024): - offset = i32(self.fp.read(4)) - if not offset: - break - self._offset.append(offset) - - self.__fp = self.fp - self.seek(0) - - def seek(self, frame): - if frame >= len(self._offset): - raise EOFError("attempt to seek outside DCX directory") - self.frame = frame - self.fp = self.__fp - self.fp.seek(self._offset[frame]) - PcxImageFile._open(self) - - def tell(self): - return self.frame - - -Image.register_open("DCX", DcxImageFile, _accept) - -Image.register_extension("DCX", ".dcx") |