Source code for PIL.PixarImagePlugin

#
# The Python Imaging Library.
# $Id$
#
# PIXAR raster support for PIL
#
# history:
#       97-01-29 fl     Created
#
# notes:
#       This is incomplete; it is based on a few samples created with
#       Photoshop 2.5 and 3.0, and a summary description provided by
#       Greg Coats <gcoats@labiris.er.usgs.gov>.  Hopefully, "L" and
#       "RGBA" support will be added in future versions.
#
# Copyright (c) Secret Labs AB 1997.
# Copyright (c) Fredrik Lundh 1997.
#
# See the README file for information on usage and redistribution.
#

from . import Image, ImageFile
from ._binary import i16le as i16

__version__ = "0.1"


#
# helpers

def _accept(prefix):
    return prefix[:4] == b"\200\350\000\000"


##
# Image plugin for PIXAR raster images.

[docs]class PixarImageFile(ImageFile.ImageFile): format = "PIXAR" format_description = "PIXAR raster image" def _open(self): # assuming a 4-byte magic label s = self.fp.read(4) if s != b"\200\350\000\000": raise SyntaxError("not a PIXAR file") # read rest of header s = s + self.fp.read(508) self._size = i16(s[418:420]), i16(s[416:418]) # get channel/depth descriptions mode = i16(s[424:426]), i16(s[426:428]) if mode == (14, 2): self.mode = "RGB" # FIXME: to be continued... # create tile descriptor (assuming "dumped") self.tile = [("raw", (0, 0)+self.size, 1024, (self.mode, 0, 1))]
# # -------------------------------------------------------------------- Image.register_open(PixarImageFile.format, PixarImageFile, _accept) Image.register_extension(PixarImageFile.format, ".pxr")