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Direktori : /usr/lib/python3/dist-packages/PIL/ |
Current File : //usr/lib/python3/dist-packages/PIL/PcdImagePlugin.py |
# # 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): # 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")