Class: Zebra::Zpl::Barcode

Inherits:
Object
  • Object
show all
Includes:
Printable
Defined in:
lib/zebra/zpl/barcode.rb

Defined Under Namespace

Classes: InvalidNarrowBarWidthError, InvalidRatioError, InvalidWideBarWidthError

Instance Attribute Summary collapse

Attributes included from Printable

#data, #margin, #position, #x, #y

Instance Method Summary collapse

Methods included from Printable

#initialize, #justification, #justification=, #rotation, #rotation=

Instance Attribute Details

#height ⇒ Object

Returns the value of attribute height.



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# File 'lib/zebra/zpl/barcode.rb', line 12

def height
  @height
end

#mode ⇒ Object

Returns the value of attribute mode.



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# File 'lib/zebra/zpl/barcode.rb', line 12

def mode
  @mode
end

#narrow_bar_width ⇒ Object

Returns the value of attribute narrow_bar_width.



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# File 'lib/zebra/zpl/barcode.rb', line 13

def narrow_bar_width
  @narrow_bar_width
end

#print_human_readable_code ⇒ Object 



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# File 'lib/zebra/zpl/barcode.rb', line 52

def print_human_readable_code
  @print_human_readable_code || false
end

#print_text_above ⇒ Object 



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# File 'lib/zebra/zpl/barcode.rb', line 56

def print_text_above
  @print_text_above || false
end

#ratio ⇒ Object

Returns the value of attribute ratio.



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# File 'lib/zebra/zpl/barcode.rb', line 13

def ratio
  @ratio
end

#type ⇒ Object

Returns the value of attribute type.



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# File 'lib/zebra/zpl/barcode.rb', line 13

def type
  @type
end

#wide_bar_width ⇒ Object

Returns the value of attribute wide_bar_width.



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# File 'lib/zebra/zpl/barcode.rb', line 13

def wide_bar_width
  @wide_bar_width
end

Instance Method Details

#to_zpl ⇒ Object 



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# File 'lib/zebra/zpl/barcode.rb', line 60

def to_zpl
  check_attributes

  barcode = case type
  when BarcodeType::CODE_39
    # Code 39 Bar Code: ^B3o,e,h,f,g

    "^B3#{rotation},,,#{interpretation_line},#{interpretation_line_above}"
  when BarcodeType::CODE_93
    # Code 93 Bar Code: ^BAo,h,f,g,e

    "^BA#{rotation},,#{interpretation_line},#{interpretation_line_above}"
  when BarcodeType::CODE_128_AUTO
    # Code 128 Bar Code: ^BCo,h,f,g,e,m

    "^BC#{rotation},,#{interpretation_line},#{interpretation_line_above},,#{mode}"
  when BarcodeType::CODABAR
    # ANSI Codabar Bar Code: ^BKo,e,h,f,g,k,l

    "^BK#{rotation},,,#{interpretation_line},#{interpretation_line_above}"
  when BarcodeType::CODE_AZTEC
    # Aztec Bar Code Parameters: ^B0a,b,c,d,e,f,g

    "^B0#{rotation},6"
  when BarcodeType::CODE_AZTEC_PARAMS
    # Aztec Bar Code Parameters: ^BOa,b,c,d,e,f,g

    "^BO#{rotation},6"
  when BarcodeType::CODE_UPS_MAXICODE
    # UPS MaxiCode Bar Code: ^BDm,n,t

    "^BD"
  when BarcodeType::CODE_QR
    # QR Code Bar Code: ^BQa,b,c,d,e

    "^BQ#{rotation}"
  when BarcodeType::CODE_UPCA
    # UPC-A Bar Code: ^BUo,h,f,g,e

  when BarcodeType::CODE_UPCE
    # UPC-E Bar Code: ^B9o,h,f,g,e

    "^B9#{rotation},,#{interpretation_line},#{interpretation_line_above}"
  when BarcodeType::CODE_EAN8
    # EAN-8 Bar Code: ^B8o,h,f,g

    "^B8#{rotation},,#{interpretation_line},#{interpretation_line_above}"
  when BarcodeType::CODE_EAN13
    # EAN-13 Bar Code: ^BEo,h,f,g

    "^BE#{rotation},,#{interpretation_line},#{interpretation_line_above}"
  else
    raise BarcodeType::InvalidBarcodeTypeError
  end

  "^FW#{rotation}^FO#{x},#{y}^BY#{width},#{ratio},#{height}#{barcode}^FD#{data}^FS"
end

#width ⇒ Object 



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# File 'lib/zebra/zpl/barcode.rb', line 20

def width
  @width || @narrow_bar_width || @wide_bar_width || 0
end

#width=(value) ⇒ Object 



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# File 'lib/zebra/zpl/barcode.rb', line 16

def width=(value)
  @width = value || 0
end