File size: 1,601 Bytes
9c6594c |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 |
#
# The Python Imaging Library.
# $Id$
#
# PCD file handling
#
# History:
# 96-05-10 fl Created
# 96-05-27 fl Added draft mode (128x192, 256x384)
#
# Copyright (c) Secret Labs AB 1997.
# Copyright (c) Fredrik Lundh 1996.
#
# See the README file for information on usage and redistribution.
#
from __future__ import annotations
from . import Image, ImageFile
##
# Image plugin for PhotoCD images. This plugin only reads the 768x512
# image from the file; higher resolutions are encoded in a proprietary
# encoding.
class PcdImageFile(ImageFile.ImageFile):
format = "PCD"
format_description = "Kodak PhotoCD"
def _open(self) -> None:
# rough
assert self.fp is not None
self.fp.seek(2048)
s = self.fp.read(2048)
if not s.startswith(b"PCD_"):
msg = "not a PCD file"
raise SyntaxError(msg)
orientation = s[1538] & 3
self.tile_post_rotate = None
if orientation == 1:
self.tile_post_rotate = 90
elif orientation == 3:
self.tile_post_rotate = -90
self._mode = "RGB"
self._size = 768, 512 # FIXME: not correct for rotated images!
self.tile = [ImageFile._Tile("pcd", (0, 0) + self.size, 96 * 2048)]
def load_end(self) -> None:
if self.tile_post_rotate:
# Handle rotated PCDs
self.im = self.im.rotate(self.tile_post_rotate)
self._size = self.im.size
#
# registry
Image.register_open(PcdImageFile.format, PcdImageFile)
Image.register_extension(PcdImageFile.format, ".pcd")
|