Examples with MxlGraceNote com.xenoage.zong.musicxml.types.choice.MxlGraceNote used on opensource projects

Example 1 with MxlGraceNote

use of com.xenoage.zong.musicxml.types.choice.MxlGraceNote in project Zong by Xenoage.

the class ChordReader method readFirstNote.

private void readFirstNote() {
    mxlFirstNote = mxlNotes.get(0);
    MxlNoteContentType mxlFirstNoteType = mxlFirstNote.getContent().getNoteContentType();
    // type of chord/rest
    // (unpitched is still unsupported)
    MxlFullNote mxlFirstFullNote = mxlFirstNote.getContent().getFullNote();
    MxlNormalNote mxlFirstNormalNote = null;
    MxlCueNote mxlFirstCueNote = null;
    MxlGraceNote mxlFirstGraceNote = null;
    boolean isCue = false;
    boolean isGrace = false;
    if (mxlFirstNoteType == MxlNoteContentType.Normal) {
        mxlFirstNormalNote = (MxlNormalNote) mxlNotes.get(0).getContent();
    } else if (mxlFirstNoteType == MxlNoteContentType.Cue) {
        mxlFirstCueNote = (MxlCueNote) mxlNotes.get(0).getContent();
        isCue = true;
    } else if (mxlFirstNoteType == MxlNoteContentType.Grace) {
        mxlFirstGraceNote = (MxlGraceNote) mxlNotes.get(0).getContent();
        isGrace = true;
        // may also be true later, see (TODO) "Zong-Library/Discussions/MusicXML/Note - cue vs grace.txt"
        isCue = false;
    }
    MxlFullNoteContentType mxlFNCType = mxlFirstFullNote.getContent().getFullNoteContentType();
    // duration. here, the first duration is the duration of the whole chord.
    Fraction duration = Companion.get_0();
    if (mxlFirstNormalNote != null) {
        duration = readDuration(mxlFirstNormalNote.getDuration(), context.getDivisions());
    } else if (mxlFirstCueNote != null) {
        duration = readDuration(mxlFirstCueNote.getDuration(), context.getDivisions());
    }
    // when duration of normal note is 0, ignore the chord
    if (false == isGrace && false == duration.isGreater0()) {
        context.reportError("duration of chord is 0");
        return;
    }
    // create new chord or rest
    if (mxlFNCType == MxlFullNoteContentType.Pitch || mxlFNCType == MxlFullNoteContentType.Unpitched) {
        // create a chord
        Pitch pitch;
        if (mxlFNCType == MxlFullNoteContentType.Pitch)
            pitch = ((MxlPitch) mxlFirstFullNote.getContent()).getPitch();
        else
            // TODO (ZONG-96): better support for unpitched notes
            pitch = Pitch.Companion.pi(0, 4);
        Grace grace = null;
        if (mxlFirstGraceNote != null) {
            // read grace duration from note-type ("eighth", "16th", ...)
            Fraction graceDuration = Companion.fr(1, 8);
            if (mxlFirstNote.getNoteType() != null)
                graceDuration = mxlFirstNote.getNoteType().getDuration();
            boolean slash = mxlFirstGraceNote.getSlash() == MxlYesNo.Yes;
            grace = new Grace(slash, graceDuration);
            chord = new Chord(alist(new Note(pitch)), grace);
        } else {
            chord = new Chord(alist(new Note(pitch)), duration);
        }
        chord.setCue(isCue);
        chordOrRest = chord;
    } else if (mxlFNCType == MxlFullNoteContentType.Rest) {
        // create a rest
        Rest rest = new Rest(duration);
        rest.setCue(isCue);
        chordOrRest = rest;
    }
}