Module: Musa::Datasets::Score::ToMXML

Included in:
Musa::Datasets::Score
Defined in:
lib/musa-dsl/datasets/score/to-mxml/to-mxml.rb,
lib/musa-dsl/datasets/score/to-mxml/process-ps.rb,
lib/musa-dsl/datasets/score/to-mxml/process-pdv.rb,
lib/musa-dsl/datasets/score/to-mxml/process-time.rb

Instance Method Summary collapse

Instance Method Details

#to_mxml(beats_per_bar, ticks_per_beat, bpm: nil, title: nil, creators: nil, encoding_date: nil, parts:, logger: nil, do_log: nil) ⇒ Object



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# File 'lib/musa-dsl/datasets/score/to-mxml/to-mxml.rb', line 14

def to_mxml(beats_per_bar, ticks_per_beat,
            bpm: nil,
            title: nil,
            creators: nil,
            encoding_date: nil,
            parts:,
            logger: nil,
            do_log: nil)

  bpm ||= 90
  title ||= 'Untitled'
  creators ||= { composer: 'Unknown' }

  if logger.nil?
    logger = Musa::Logger::Logger.new
    logger.debug! if do_log
  end

  do_log ||= nil

  mxml = Musa::MusicXML::Builder::ScorePartwise.new do |_|
    _.work_title title
    _.creators **creators
    _.encoding_date encoding_date if encoding_date

    parts.each_pair do |id, part_info|
      _.part id,
             name: part_info&.[](:name),
             abbreviation: part_info&.[](:abbreviation) do |_|

        _.measure do |_|
          _.attributes do |_|
            _.divisions ticks_per_beat

            i = 0
            (part_info&.[](:clefs) || { g: 2 }).each_pair do |clef, line|
              i += 1
              _.clef i, sign: clef.upcase, line: line
              _.time i, beats: beats_per_bar, beat_type: 4
            end
          end

          _.metronome placement: 'above', beat_unit: 'quarter', per_minute: bpm
        end
      end
    end
  end

  if do_log
    logger.debug ""
    logger.debug"score.to_mxml log:"
    logger.debug"------------------"
  end

  parts.each_key do |part_id|
    fill_part mxml.parts[part_id],
              beats_per_bar * ticks_per_beat,
              (parts.size > 1 ? part_id : nil),
              logger, do_log
  end

  mxml
end