Class: Chords::PDFFormatter

Inherits:
Object
  • Object
show all
Defined in:
lib/chords/pdf_formatter.rb

Instance Method Summary collapse

Constructor Details

#initialize(fretboard) ⇒ PDFFormatter

Returns a new instance of PDFFormatter.



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# File 'lib/chords/pdf_formatter.rb', line 9

def initialize(fretboard)
  @fretboard = fretboard
end

Instance Method Details



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# File 'lib/chords/pdf_formatter.rb', line 13

def print(title, fingerings, opts={})
  @pdf = Prawn::Document.new(:top_margin => 50)
  @pdf.draw_text "#{title}", :at => [@pdf.margin_box.left, @pdf.margin_box.top + 30]
  @max_dist = opts[:max_fret_distance] || Fingering::DEFAULT_MAX_FRET_DISTANCE
  
  if fingerings.empty?
    @pdf.text 'No fingerings found.'
  else
    @pdf.define_grid(:columns => 4, :rows => 6, :gutter => 40)
    
    fingerings.each_with_index do |f, i|
      print_fingering(f, i)
    end
  end
  
  if opts[:inline]
    @pdf.render
  else
    @pdf.render_file('chords.pdf')
    puts "Wrote chords.pdf"
  end
end