class Musicality::ScoreEngraver
Constants
- LILYPOND_VERSION
Public Class Methods
figure_part_titles(parts)
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# File lib/musicality/printing/lilypond/score_engraver.rb, line 23 def self.figure_part_titles parts instr_name_totals = Hash.new(0) instr_name_used = Hash.new(0) part_titles = Hash[ parts.map do |part_name, part| instr_name = part.lilypond_settings.instrument_name instr_name_totals[instr_name] += 1 [part_name, instr_name] end ] needs_number = parts.keys.select {|part_name| instr_name_totals[part_titles[part_name]] > 1 } needs_number.each do |part_name| title = part_titles[part_name] part_titles[part_name] = "#{title} #{instr_name_used[title] += 1}" end return part_titles end
header(title, composer)
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Generate a Lilypond header for the score
# File lib/musicality/printing/lilypond/score_engraver.rb, line 44 def self.header title, composer output = "\\version \"#{LILYPOND_VERSION}\"\n" output += "\\header {\n" if title output += " title = \"#{title}\"\n" end if composer output += " composer = \"#{composer}\"\n" end output += "}\n" return output end
new(score)
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# File lib/musicality/printing/lilypond/score_engraver.rb, line 6 def initialize score @start_meter = score.start_meter @meter_changes = score.meter_changes @start_key = score.start_key @key_changes = score.key_changes @parts = score.collated? ? score.parts : ScoreCollator.new(score).collate_parts @parts.each do |part_name, part| unless part.lilypond_settings part.settings.push LilypondSettings.new(part_name) end end @header = ScoreEngraver.header score.title, score.composer @part_titles = ScoreEngraver.figure_part_titles @parts end
Public Instance Methods
make_lilypond(selected_parts = @parts.keys)
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# File lib/musicality/printing/lilypond/score_engraver.rb, line 58 def make_lilypond selected_parts = @parts.keys output = @header output += "{\n <<\n" master = true selected_parts.each do |part_name| part = @parts[part_name] part_title = @part_titles[part_name] pe = PartEngraver.new(part, part_title) output += pe.make_lilypond(@start_key, @start_meter, key_changes: @key_changes, meter_changes: @meter_changes, master: master) master = false if master end output += " >>\n}\n" return output end