Sha256: ae4b4c6d7f2dca5328a56de073041048296b0028ec745b16be3ec24725b2ae9b
Contents?: true
Size: 983 Bytes
Versions: 22
Compression:
Stored size: 983 Bytes
Contents
#!/usr/bin/env ruby
#--
# Copyright 2004 by Duncan Robertson (duncan@whomwah.com).
# All rights reserved.
# Permission is granted for use, copying, modification, distribution,
# and distribution of modified versions of this work as long as the
# above copyright notice is included.
#++
module RQRCode
class QRBitBuffer
attr_reader :buffer
def initialize
@buffer = []
@length = 0
end
def get( index )
buf_index = (index / 8).floor
(( (@buffer[buf_index]).rszf(7 - index % 8)) & 1) == 1
end
def put( num, length )
( 0...length ).each do |i|
put_bit((((num).rszf(length - i - 1)) & 1) == 1)
end
end
def get_length_in_bits
@length
end
def put_bit( bit )
buf_index = ( @length / 8 ).floor
if @buffer.size <= buf_index
@buffer << 0
end
if bit
@buffer[buf_index] |= ((0x80).rszf(@length % 8))
end
@length += 1
end
end
end
Version data entries
22 entries across 22 versions & 4 rubygems