Fixed database typo and removed unnecessary class identifier.

venv/Lib/site-packages/PIL/GdImageFile.py

@@ -0,0 +1,89 @@
+#
+# The Python Imaging Library.
+# $Id$
+#
+# GD file handling
+#
+# History:
+# 1996-04-12 fl   Created
+#
+# Copyright (c) 1997 by Secret Labs AB.
+# Copyright (c) 1996 by Fredrik Lundh.
+#
+# See the README file for information on usage and redistribution.
+#
+
+
+"""
+.. note::
+    This format cannot be automatically recognized, so the
+    class is not registered for use with :py:func:`PIL.Image.open()`.  To open a
+    gd file, use the :py:func:`PIL.GdImageFile.open()` function instead.
+
+.. warning::
+    THE GD FORMAT IS NOT DESIGNED FOR DATA INTERCHANGE.  This
+    implementation is provided for convenience and demonstrational
+    purposes only.
+"""
+
+
+from . import ImageFile, ImagePalette, UnidentifiedImageError
+from ._binary import i8, i16be as i16, i32be as i32
+
+
+class GdImageFile(ImageFile.ImageFile):
+    """
+    Image plugin for the GD uncompressed format.  Note that this format
+    is not supported by the standard :py:func:`PIL.Image.open()` function.  To use
+    this plugin, you have to import the :py:mod:`PIL.GdImageFile` module and
+    use the :py:func:`PIL.GdImageFile.open()` function.
+    """
+
+    format = "GD"
+    format_description = "GD uncompressed images"
+
+    def _open(self):
+
+        # Header
+        s = self.fp.read(1037)
+
+        if not i16(s[:2]) in [65534, 65535]:
+            raise SyntaxError("Not a valid GD 2.x .gd file")
+
+        self.mode = "L"  # FIXME: "P"
+        self._size = i16(s[2:4]), i16(s[4:6])
+
+        trueColor = i8(s[6])
+        trueColorOffset = 2 if trueColor else 0
+
+        # transparency index
+        tindex = i32(s[7 + trueColorOffset : 7 + trueColorOffset + 4])
+        if tindex < 256:
+            self.info["transparency"] = tindex
+
+        self.palette = ImagePalette.raw(
+            "XBGR", s[7 + trueColorOffset + 4 : 7 + trueColorOffset + 4 + 256 * 4]
+        )
+
+        self.tile = [
+            ("raw", (0, 0) + self.size, 7 + trueColorOffset + 4 + 256 * 4, ("L", 0, 1))
+        ]
+
+
+def open(fp, mode="r"):
+    """
+    Load texture from a GD image file.
+
+    :param filename: GD file name, or an opened file handle.
+    :param mode: Optional mode.  In this version, if the mode argument
+        is given, it must be "r".
+    :returns: An image instance.
+    :raises OSError: If the image could not be read.
+    """
+    if mode != "r":
+        raise ValueError("bad mode")
+
+    try:
+        return GdImageFile(fp)
+    except SyntaxError as e:
+        raise UnidentifiedImageError("cannot identify this image file") from e