Class: Languages::Epl2

Inherits:
Object
  • Object
show all
Defined in:
lib/languages/epl2.rb,
lib/languages/epl2/font.rb,
lib/languages/epl2/text.rb,
lib/languages/epl2/barcode.rb,
lib/languages/epl2/document.rb,
lib/languages/epl2/position.rb

Defined Under Namespace

Classes: Barcode1D, Barcode2D, BarcodeFactory, Document, Font, Position, Text

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Epl2

Returns a new instance of Epl2.



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# File 'lib/languages/epl2.rb', line 11

def initialize
  @document = Epl2::Document.new
  #defaults
  @font = Epl2::Font.new
  @position = Epl2::Position[0,0]
end

Instance Method Details

#barcode(*args) ⇒ Object 



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# File 'lib/languages/epl2.rb', line 54

def barcode(*args)
  opts = args.extract_options!
  code,text = args.pop 2
  
  opts = opts.merge({:font => font,:text =>text})
  if opts.include? :at
    opts[:at] = (@position + Epl2::Position.from_array(opts[:at])).to_a
  end
  
  b = Epl2::BarcodeFactory.create_barcode code,opts
  @document << b.render
end

#document ⇒ Object 



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# File 'lib/languages/epl2.rb', line 18

def document
  @document.render
end

#font(opts = {}, &block) ⇒ Object 



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# File 'lib/languages/epl2.rb', line 42

def font(opts={},&block)
  if opts.include? :size
    @font = Epl2::Font.new(opts)
  end
  if block_given?
    save = @font
    @font = Epl2::Font.new(opts)
    self.instance_eval(&block)
    @font = save
  end
end

#position(x, y, &block) ⇒ Object 



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# File 'lib/languages/epl2.rb', line 67

def position(x,y,&block)
  if block_given?
    save = @position
    @position = Epl2::Position[x,y]
    self.instance_eval(&block)
    @position = save
  else
    @position = Epl2::Position[x,y]
  end
end

#rotate(amount, &block) ⇒ Object 



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# File 'lib/languages/epl2.rb', line 31

def rotate(amount,&block)
  if block_given?
    save = @font
    @font.font_rotation amount
    self.instance_eval(&block)
    @font = save
  else
    @font.font_rotation amount
  end
end

#text(value, opts = {}) ⇒ Object 



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# File 'lib/languages/epl2.rb', line 22

def text(value,opts={})
  if opts.include? :at
    opts[:at] = (@position + Epl2::Position.from_array(opts[:at])).to_a
  else
    opts[:at] = @position.to_a
  end
  @document << Epl2::Text.new(:font => @font, :at => opts[:at], :text => value)
end