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Contents
require 'barby/barcode'
require 'java'
require 'Pdf417lib'
import 'Pdf417lib'
module Barby
class Pdf417 < Barcode2D
DEFAULT_OPTIONS = {
:options => 0,
:y_height => 3,
:aspect_ratio => 0.5,
:error_level => 0,
:len_codewords => 0,
:code_rows => 0,
:code_columns => 0
}
# Creates a new Pdf417 barcode. The +options+ argument
# can use the same keys as DEFAULT_OPTIONS. Please consult
# the source code of Pdf417lib.java for details about values
# that can be used.
def initialize(data, options={})
@pdf417 = Java::Pdf417lib.new
self.data = data
DEFAULT_OPTIONS.merge(options).each{|k,v| send("#{k}=", v) }
end
def options=(options)
@options = options
end
def y_height=(y_height)
@pdf417.setYHeight(y_height)
end
def aspect_ratio=(aspect_ratio)
@pdf417.setAspectRatio(aspect_ratio)
end
def error_level=(error_level)
@pdf417.setErrorLevel(error_level)
end
def len_codewords=(len_codewords)
@pdf417.setLenCodewords(len_codewords)
end
def code_rows=(code_rows)
@pdf417.setCodeRows(code_rows)
end
def code_columns=(code_columns)
@pdf417.setCodeColumns(code_columns)
end
def data=(data)
@pdf417.setText(data)
end
def encoding
@pdf417.paintCode()
cols = (@pdf417.getBitColumns() - 1) / 8 + 1
enc = []
row = nil
@pdf417.getOutBits.each_with_index do |byte, n|
if n%cols == 0
row = ""
enc << row
end
row << sprintf("%08b", (byte & 0xff) | 0x100)
end
enc
end
end
end
Version data entries
24 entries across 24 versions & 3 rubygems