diff options
author | Biswakalyan Bhuyan <biswa@surgot.in> | 2022-11-13 23:46:45 +0530 |
---|---|---|
committer | Biswakalyan Bhuyan <biswa@surgot.in> | 2022-11-13 23:46:45 +0530 |
commit | 9468226a9e2e2ab8cdd599f1d8538e860ca86120 (patch) | |
tree | 0a77ada226d6db80639f96b438bf83e4e756edb5 /env/lib/python3.10/site-packages/PIL/GbrImagePlugin.py | |
download | idcard-9468226a9e2e2ab8cdd599f1d8538e860ca86120.tar.gz idcard-9468226a9e2e2ab8cdd599f1d8538e860ca86120.tar.bz2 idcard-9468226a9e2e2ab8cdd599f1d8538e860ca86120.zip |
id card generator
Diffstat (limited to 'env/lib/python3.10/site-packages/PIL/GbrImagePlugin.py')
-rw-r--r-- | env/lib/python3.10/site-packages/PIL/GbrImagePlugin.py | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/env/lib/python3.10/site-packages/PIL/GbrImagePlugin.py b/env/lib/python3.10/site-packages/PIL/GbrImagePlugin.py new file mode 100644 index 0000000..4caeda8 --- /dev/null +++ b/env/lib/python3.10/site-packages/PIL/GbrImagePlugin.py @@ -0,0 +1,98 @@ +# +# 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 . 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: + raise SyntaxError("not a GIMP brush") + version = i32(self.fp.read(4)) + if version not in (1, 2): + raise SyntaxError(f"Unsupported GIMP brush version: {version}") + + 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: + raise SyntaxError("not a GIMP brush") + if color_depth not in (1, 4): + raise SyntaxError(f"Unsupported GIMP brush color depth: {color_depth}") + + 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": + raise SyntaxError("not a GIMP brush, bad magic number") + 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") |