up follow livre

venv/lib/python3.13/site-packages/PIL/MicImagePlugin.py

@@ -0,0 +1,102 @@
+#
+# The Python Imaging Library.
+# $Id$
+#
+# Microsoft Image Composer support for PIL
+#
+# Notes:
+#       uses TiffImagePlugin.py to read the actual image streams
+#
+# History:
+#       97-01-20 fl     Created
+#
+# Copyright (c) Secret Labs AB 1997.
+# Copyright (c) Fredrik Lundh 1997.
+#
+# See the README file for information on usage and redistribution.
+#
+from __future__ import annotations
+
+import olefile
+
+from . import Image, TiffImagePlugin
+
+#
+# --------------------------------------------------------------------
+
+
+def _accept(prefix: bytes) -> bool:
+    return prefix.startswith(olefile.MAGIC)
+
+
+##
+# Image plugin for Microsoft's Image Composer file format.
+
+
+class MicImageFile(TiffImagePlugin.TiffImageFile):
+    format = "MIC"
+    format_description = "Microsoft Image Composer"
+    _close_exclusive_fp_after_loading = False
+
+    def _open(self) -> None:
+        # read the OLE directory and see if this is a likely
+        # to be a Microsoft Image Composer file
+
+        try:
+            self.ole = olefile.OleFileIO(self.fp)
+        except OSError as e:
+            msg = "not an MIC file; invalid OLE file"
+            raise SyntaxError(msg) from e
+
+        # find ACI subfiles with Image members (maybe not the
+        # best way to identify MIC files, but what the... ;-)
+
+        self.images = [
+            path
+            for path in self.ole.listdir()
+            if path[1:] and path[0].endswith(".ACI") and path[1] == "Image"
+        ]
+
+        # if we didn't find any images, this is probably not
+        # an MIC file.
+        if not self.images:
+            msg = "not an MIC file; no image entries"
+            raise SyntaxError(msg)
+
+        self.frame = -1
+        self._n_frames = len(self.images)
+        self.is_animated = self._n_frames > 1
+
+        self.__fp = self.fp
+        self.seek(0)
+
+    def seek(self, frame: int) -> None:
+        if not self._seek_check(frame):
+            return
+        filename = self.images[frame]
+        self.fp = self.ole.openstream(filename)
+
+        TiffImagePlugin.TiffImageFile._open(self)
+
+        self.frame = frame
+
+    def tell(self) -> int:
+        return self.frame
+
+    def close(self) -> None:
+        self.__fp.close()
+        self.ole.close()
+        super().close()
+
+    def __exit__(self, *args: object) -> None:
+        self.__fp.close()
+        self.ole.close()
+        super().__exit__()
+
+
+#
+# --------------------------------------------------------------------
+
+Image.register_open(MicImageFile.format, MicImageFile, _accept)
+
+Image.register_extension(MicImageFile.format, ".mic")