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+#
+# The Python Imaging Library.
+# $Id: PixarImagePlugin.py 2134 2004-10-06 08:55:20Z fredrik $
+#
+# 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.
+#
+
+__version__ = "0.1"
+
+import Image, ImageFile
+
+#
+# helpers
+
+def i16(c):
+ return ord(c[0]) + (ord(c[1])<<8)
+
+def i32(c):
+ return ord(c[0]) + (ord(c[1])<<8) + (ord(c[2])<<16) + (ord(c[3])<<24)
+
+##
+# Image plugin for PIXAR raster images.
+
+class PixarImageFile(ImageFile.ImageFile):
+
+ format = "PIXAR"
+ format_description = "PIXAR raster image"
+
+ def _open(self):
+
+ # assuming a 4-byte magic label (FIXME: add "_accept" hook)
+ s = self.fp.read(4)
+ if s != "\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("PIXAR", PixarImageFile)
+
+#
+# FIXME: what's the standard extension?