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Contents
require "zebra/epl/printable"
module Zebra
module Epl
class Barcode
include Printable
class InvalidNarrowBarWidthError < StandardError; end
class InvalidWideBarWidthError < StandardError; end
attr_accessor :height
attr_reader :type, :narrow_bar_width, :wide_bar_width
attr_writer :print_human_readable_code
def type=(type)
BarcodeType.validate_barcode_type(type)
@type = type
end
def narrow_bar_width=(width)
raise InvalidNarrowBarWidthError unless (1..10).include?(width.to_i)
@narrow_bar_width = width
end
def wide_bar_width=(width)
raise InvalidWideBarWidthError unless (2..30).include?(width.to_i)
@wide_bar_width = width
end
def print_human_readable_code
@print_human_readable_code || false
end
def to_epl
check_attributes
human_readable = print_human_readable_code ? "B" : "N"
["B#{x}", y, rotation, type, narrow_bar_width, wide_bar_width, height, human_readable, "\"#{data}\""].join(",")
end
private
def check_attributes
super
raise MissingAttributeError.new("the barcode type to be used is not given") unless @type
raise MissingAttributeError.new("the height to be used is not given") unless @height
raise MissingAttributeError.new("the narrow bar width to be used is not given") unless @narrow_bar_width
raise MissingAttributeError.new("the wide bar width to be used is not given") unless @wide_bar_width
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems