Class: Pdf::Label::Length

Inherits:
Object
  • Object
show all
Defined in:
lib/pdf/label/length_node.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(value) ⇒ Length

Returns a new instance of Length.



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# File 'lib/pdf/label/length_node.rb', line 8

def initialize(value)
	@value = value
	@number = value.match(/[\d\.]*/)[0].to_f
	@unit = value.delete("#{number}").strip
end

Instance Attribute Details

#number ⇒ Object

Returns the value of attribute number.



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# File 'lib/pdf/label/length_node.rb', line 6

def number
  @number
end

#unit ⇒ Object

Returns the value of attribute unit.



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# File 'lib/pdf/label/length_node.rb', line 6

def unit
  @unit
end

#value ⇒ Object

Returns the value of attribute value.



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# File 'lib/pdf/label/length_node.rb', line 6

def value
  @value
end

Instance Method Details

#as_pts ⇒ Object

Return the numeric portion as a Points



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# File 'lib/pdf/label/length_node.rb', line 15

def as_pts
	if @unit =~ /pt/
		return @number
	elsif @unit =~ /in/
		return @number * 72 #72.270 
	elsif @unit =~ /mm/
		return @number * 2.83464566929134
	elsif @unit =~ /cm/
		return @number * 28.3464566929134
	elsif @unit =~ /pc/
		return 1.0 * @number / 12
	elsif @unit == ''
		return @number
	else
		raise "Unit #{unit} unknown"
	end
end