Source code for PIL.GbrImagePlugin

#
# The Python Imaging Library
# $Id$
#
# load a GIMP brush file
#
# History:
#       96-03-14 fl     Created
#
# Copyright (c) Secret Labs AB 1997.
# Copyright (c) Fredrik Lundh 1996.
#
# See the README file for information on usage and redistribution.
#

from PIL import Image, ImageFile, _binary

i32 = _binary.i32be

def _accept(prefix):
    return i32(prefix) >= 20 and i32(prefix[4:8]) == 1

##
# Image plugin for the GIMP brush format.

[docs]class GbrImageFile(ImageFile.ImageFile): format = "GBR" format_description = "GIMP brush file" def _open(self): header_size = i32(self.fp.read(4)) version = i32(self.fp.read(4)) if header_size < 20 or version != 1: raise SyntaxError("not a GIMP brush") width = i32(self.fp.read(4)) height = i32(self.fp.read(4)) bytes = i32(self.fp.read(4)) if width <= 0 or height <= 0 or bytes != 1: raise SyntaxError("not a GIMP brush") comment = self.fp.read(header_size - 20)[:-1] self.mode = "L" self.size = width, height self.info["comment"] = comment # Since the brush is so small, we read the data immediately self.data = self.fp.read(width * height)
[docs] def load(self): if not self.data: return # create an image out of the brush data block self.im = Image.core.new(self.mode, self.size) self.im.frombytes(self.data) self.data = b"" # # registry
Image.register_open("GBR", GbrImageFile, _accept) Image.register_extension("GBR", ".gbr")