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- #
- # 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 . 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):
- # rough
- self.fp.seek(2048)
- s = self.fp.read(2048)
- if s[:4] != 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 = [("pcd", (0, 0) + self.size, 96 * 2048, None)]
- def load_end(self):
- 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")
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