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Example 1 with MeasureAddUpTo

use of com.xenoage.zong.commands.core.music.MeasureAddUpTo in project Zong by Xenoage.

the class ScoreReader method readToScore.

public void readToScore(Score score, ErrorHandling errorHandling) {
    Context context = new Context(score, new ReaderSettings(errorHandling));
    // create the measures of the parts
    It<MxlPart> mxlParts = it(doc.getParts());
    for (MxlPart mxlPart : mxlParts) {
        // create measures
        execute(new MeasureAddUpTo(score, mxlPart.getMeasures().size()));
        // initialize each measure with a C clef
        Part part = score.getStavesList().getParts().get(mxlParts.getIndex());
        StavesRange stavesRange = score.getStavesList().getPartStaffIndices(part);
        for (int staff : stavesRange.getRange()) {
            execute(new MeasureElementWrite(new Clef(ClefType.Companion.getClefTreble()), score.getMeasure(MP.atMeasure(staff, 0)), Companion.get_0()));
        }
    }
    // write a 4/4 measure and C key signature in the first measure
    execute(new ColumnElementWrite(new TimeSignature(TimeType.Companion.getTime_4_4()), score.getColumnHeader(0), Companion.get_0(), null));
    execute(new ColumnElementWrite(new TraditionalKey(0), score.getColumnHeader(0), Companion.get_0(), null));
    // read the parts
    mxlParts = it(doc.getParts());
    for (MxlPart mxlPart : mxlParts) {
        // clear part-dependent context values
        context.beginNewPart(mxlParts.getIndex());
        // read the measures
        It<MxlMeasure> mxlMeasures = it(mxlPart.getMeasures());
        for (MxlMeasure mxlMeasure : mxlMeasures) {
            try {
                MeasureReader.readToContext(mxlMeasure, mxlMeasures.getIndex(), context);
            } catch (MusicReaderException ex) {
                throw new RuntimeException("Error at " + ex.getContext().toString(), ex);
            } catch (Exception ex) {
                throw new RuntimeException("Error (roughly) around " + context.toString(), ex);
            }
        }
    }
    // remove unclosed elements
    context.removeUnclosedWedges();
    // go through the whole score, and fill empty measures (that means, measures where
    // voice 0 has no single VoiceElement) with rests
    Fraction measureDuration = Companion.fr(1, 4);
    for (int iStaff = 0; iStaff < score.getStavesCount(); iStaff++) {
        Staff staff = score.getStaff(atStaff(iStaff));
        for (int iMeasure : range(staff.getMeasures())) {
            Measure measure = staff.getMeasure(iMeasure);
            TimeSignature newTime = score.getHeader().getColumnHeader(iMeasure).getTime();
            if (newTime != null) {
                // time signature has changed
                measureDuration = newTime.getType().getMeasureBeats();
            }
            if (measureDuration == null) {
                // senza misura
                // use whole rest
                measureDuration = Companion.fr(4, 4);
            }
            Voice voice0 = measure.getVoice(0);
            if (voice0.isEmpty()) {
                // TODO: "whole rests" or split. currently, also 3/4 rests are possible
                MP mp = atElement(iStaff, iMeasure, 0, 0);
                new VoiceElementWrite(score.getVoice(mp), mp, new Rest(measureDuration), null).execute();
            }
        }
    }
}
Also used : VoiceElementWrite(com.xenoage.zong.commands.core.music.VoiceElementWrite) MP.atStaff(com.xenoage.zong.core.position.MP.atStaff) Staff(com.xenoage.zong.core.music.Staff) ColumnElementWrite(com.xenoage.zong.commands.core.music.ColumnElementWrite) MxlPart(com.xenoage.zong.musicxml.types.partwise.MxlPart) Clef(com.xenoage.zong.core.music.clef.Clef) TraditionalKey(com.xenoage.zong.core.music.key.TraditionalKey) MxlMeasure(com.xenoage.zong.musicxml.types.partwise.MxlMeasure) MeasureAddUpTo(com.xenoage.zong.commands.core.music.MeasureAddUpTo) StavesRange(com.xenoage.zong.core.music.group.StavesRange) Rest(com.xenoage.zong.core.music.rest.Rest) MxlMeasure(com.xenoage.zong.musicxml.types.partwise.MxlMeasure) Measure(com.xenoage.zong.core.music.Measure) MP(com.xenoage.zong.core.position.MP) MusicReaderException(com.xenoage.zong.io.musicxml.in.util.MusicReaderException) Fraction(com.xenoage.utils.math.Fraction) MusicReaderException(com.xenoage.zong.io.musicxml.in.util.MusicReaderException) TimeSignature(com.xenoage.zong.core.music.time.TimeSignature) MxlPart(com.xenoage.zong.musicxml.types.partwise.MxlPart) Part(com.xenoage.zong.core.music.Part) MeasureElementWrite(com.xenoage.zong.commands.core.music.MeasureElementWrite) Voice(com.xenoage.zong.core.music.Voice)

Aggregations

Fraction (com.xenoage.utils.math.Fraction)1 ColumnElementWrite (com.xenoage.zong.commands.core.music.ColumnElementWrite)1 MeasureAddUpTo (com.xenoage.zong.commands.core.music.MeasureAddUpTo)1 MeasureElementWrite (com.xenoage.zong.commands.core.music.MeasureElementWrite)1 VoiceElementWrite (com.xenoage.zong.commands.core.music.VoiceElementWrite)1 Measure (com.xenoage.zong.core.music.Measure)1 Part (com.xenoage.zong.core.music.Part)1 Staff (com.xenoage.zong.core.music.Staff)1 Voice (com.xenoage.zong.core.music.Voice)1 Clef (com.xenoage.zong.core.music.clef.Clef)1 StavesRange (com.xenoage.zong.core.music.group.StavesRange)1 TraditionalKey (com.xenoage.zong.core.music.key.TraditionalKey)1 Rest (com.xenoage.zong.core.music.rest.Rest)1 TimeSignature (com.xenoage.zong.core.music.time.TimeSignature)1 MP (com.xenoage.zong.core.position.MP)1 MP.atStaff (com.xenoage.zong.core.position.MP.atStaff)1 MusicReaderException (com.xenoage.zong.io.musicxml.in.util.MusicReaderException)1 MxlMeasure (com.xenoage.zong.musicxml.types.partwise.MxlMeasure)1 MxlPart (com.xenoage.zong.musicxml.types.partwise.MxlPart)1