Class: Languages::Zpl2::Font

Inherits:
Object
  • Object
show all
Defined in:
lib/languages/zpl2/font.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(opts = {}) ⇒ Font

Returns a new instance of Font.



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# File 'lib/languages/zpl2/font.rb', line 6

def initialize(opts = {})
  # defaults
  @name     = opts[:name] || "B"
  @rotation = opts.include?(:rotation) ? font_rotation(opts[:rotation]) : font_rotation(:by_0)
  @height   = opts[:height] || 15
  @width    = opts[:width] || 12
  @name, @height, @width = font_size(opts[:size]) if opts.include?(:size)
  @code = "^CF"
end

Instance Attribute Details

#height ⇒ Object (readonly)

Returns the value of attribute height.



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# File 'lib/languages/zpl2/font.rb', line 4

def height
  @height
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/languages/zpl2/font.rb', line 4

def name
  @name
end

#rotation ⇒ Object (readonly)

Returns the value of attribute rotation.



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# File 'lib/languages/zpl2/font.rb', line 4

def rotation
  @rotation
end

#width ⇒ Object (readonly)

Returns the value of attribute width.



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# File 'lib/languages/zpl2/font.rb', line 4

def width
  @width
end

Instance Method Details

#font_args(opts = {}) ⇒ Object 



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# File 'lib/languages/zpl2/font.rb', line 16

def font_args(opts={})
  @name = font_size(opts[:size]) if opts.include? :size
end

#font_rotation(amount) ⇒ Object 



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# File 'lib/languages/zpl2/font.rb', line 35

def font_rotation(amount)
@rotation = case(amount)
                    when :by_90
                      "R"
                    when :by_180
                      "I"
                    when :by_270
                      "B"
                    else
                      "N"
                    end        
end

#font_size(val) ⇒ Object 



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# File 'lib/languages/zpl2/font.rb', line 20

def font_size(val)
  case val
  when :normal
    ["0",25,25]
  when :small
    ["0",20,20]
  when :large
    ["0",40,40]
  when :x_large
    ["0",60,60]
  else
    ["0",25,25]
  end
end

#render ⇒ Object 



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# File 'lib/languages/zpl2/font.rb', line 47

def render
  "^CF#{@name}#{@rotation},#{@height},#{@width}\n"
end