Import matplotlib

commit_hash:d59c2338025ef8fd1e1f961ed9d8d5fd52d0bd96

1 files changed, 103 insertions, 0 deletions

diff --git a/contrib/python/Pillow/py3/PIL/GbrImagePlugin.py b/contrib/python/Pillow/py3/PIL/GbrImagePlugin.py
new file mode 100644
index 00000000000..6722fa2b144
--- /dev/null
+++ b/contrib/python/Pillow/py3/PIL/GbrImagePlugin.py
@@ -0,0 +1,103 @@
+#
+# The Python Imaging Library
+#
+# load a GIMP brush file
+#
+# History:
+#       96-03-14 fl     Created
+#       16-01-08 es     Version 2
+#
+# Copyright (c) Secret Labs AB 1997.
+# Copyright (c) Fredrik Lundh 1996.
+# Copyright (c) Eric Soroos 2016.
+#
+# See the README file for information on usage and redistribution.
+#
+#
+# See https://github.com/GNOME/gimp/blob/mainline/devel-docs/gbr.txt for
+# format documentation.
+#
+# This code Interprets version 1 and 2 .gbr files.
+# Version 1 files are obsolete, and should not be used for new
+#   brushes.
+# Version 2 files are saved by GIMP v2.8 (at least)
+# Version 3 files have a format specifier of 18 for 16bit floats in
+#   the color depth field. This is currently unsupported by Pillow.
+from __future__ import annotations
+
+from . import Image, ImageFile
+from ._binary import i32be as i32
+
+
+def _accept(prefix):
+    return len(prefix) >= 8 and i32(prefix, 0) >= 20 and i32(prefix, 4) in (1, 2)
+
+
+##
+# Image plugin for the GIMP brush format.
+
+
+class GbrImageFile(ImageFile.ImageFile):
+    format = "GBR"
+    format_description = "GIMP brush file"
+
+    def _open(self):
+        header_size = i32(self.fp.read(4))
+        if header_size < 20:
+            msg = "not a GIMP brush"
+            raise SyntaxError(msg)
+        version = i32(self.fp.read(4))
+        if version not in (1, 2):
+            msg = f"Unsupported GIMP brush version: {version}"
+            raise SyntaxError(msg)
+
+        width = i32(self.fp.read(4))
+        height = i32(self.fp.read(4))
+        color_depth = i32(self.fp.read(4))
+        if width <= 0 or height <= 0:
+            msg = "not a GIMP brush"
+            raise SyntaxError(msg)
+        if color_depth not in (1, 4):
+            msg = f"Unsupported GIMP brush color depth: {color_depth}"
+            raise SyntaxError(msg)
+
+        if version == 1:
+            comment_length = header_size - 20
+        else:
+            comment_length = header_size - 28
+            magic_number = self.fp.read(4)
+            if magic_number != b"GIMP":
+                msg = "not a GIMP brush, bad magic number"
+                raise SyntaxError(msg)
+            self.info["spacing"] = i32(self.fp.read(4))
+
+        comment = self.fp.read(comment_length)[:-1]
+
+        if color_depth == 1:
+            self._mode = "L"
+        else:
+            self._mode = "RGBA"
+
+        self._size = width, height
+
+        self.info["comment"] = comment
+
+        # Image might not be small
+        Image._decompression_bomb_check(self.size)
+
+        # Data is an uncompressed block of w * h * bytes/pixel
+        self._data_size = width * height * color_depth
+
+    def load(self):
+        if not self.im:
+            self.im = Image.core.new(self.mode, self.size)
+            self.frombytes(self.fp.read(self._data_size))
+        return Image.Image.load(self)
+
+
+#
+# registry
+
+
+Image.register_open(GbrImageFile.format, GbrImageFile, _accept)
+Image.register_extension(GbrImageFile.format, ".gbr")