Class: Jpegsan::Jpeg::JpegMarker

Inherits:
Struct
  • Object
show all
Defined in:
lib/jpegsan/jpeg.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#code_suffix ⇒ Object

Returns the value of attribute code_suffix

Returns:

  • (Object) —

    the current value of code_suffix



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# File 'lib/jpegsan/jpeg.rb', line 5

def code_suffix
  @code_suffix
end

#data_sequence ⇒ Object

Returns the value of attribute data_sequence

Returns:

  • (Object) —

    the current value of data_sequence



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# File 'lib/jpegsan/jpeg.rb', line 5

def data_sequence
  @data_sequence
end

#description ⇒ Object

Returns the value of attribute description

Returns:

  • (Object) —

    the current value of description



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# File 'lib/jpegsan/jpeg.rb', line 5

def description
  @description
end

#symbol ⇒ Object

Returns the value of attribute symbol

Returns:

  • (Object) —

    the current value of symbol



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# File 'lib/jpegsan/jpeg.rb', line 5

def symbol
  @symbol
end

Instance Method Details

#code ⇒ Object 



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# File 'lib/jpegsan/jpeg.rb', line 6

def code
  "\xff#{code_suffix}".b
end

#sequence_in_hex ⇒ Object 



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# File 'lib/jpegsan/jpeg.rb', line 14

def sequence_in_hex
  if data_sequence.nil?
    return nil
  end
  data_sequence.unpack('H*').first.chars.each_slice(2).map(&:join).join(' ')
end

#to_bytes ⇒ Object 



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# File 'lib/jpegsan/jpeg.rb', line 10

def to_bytes
  "#{code}#{data_sequence}".b
end