yakumo-proj

#!/usr/bin/ruby

# Copyright (C) 2020  Yakumo Sayo, Susanoo Lab. All rights reserved.
# 
# This program is free software; you can redistribute it and/or modify 
# it under the terms of the GNU General Public License as published by 
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but

yakumo-proj

#!/usr/bin/ruby -Ku

=begin
-----------------------------------------------------------------------
BSD-2-Clause

Copyright (c)2020, Yakumo Sayo, Susanoo Lab. All rights reserved.

Redistribution and use in source and binary forms, with or without 
modification, are permitted provided that the following conditions are met:

yakumo-proj

#!/usr/bin/ruby -Ks
buf = File.open(ARGV[0], "rb")
header = buf.read(8)

p header
return 1 if header.bytes != "\x89PNG\r\n\x1A\n".bytes

chunk_reader = ->(buffer) {
    length = buffer.read(4).bytes.inject(0){|s,i| s*256 + i}
    tags = buffet.read(4)