Method getToneForText

packages/alphatab/src/model/ModelUtils.ts:177–237

(note: string)

    }

    public static getToneForText(note: string): TuningParseResultTone | null {
        const noteName = note.substring(0, 1);
        const accidental = note.substring(1);

        let noteValue: number;
        let noteAccidenalMode: NoteAccidentalMode;

        switch (noteName.toLowerCase()) {
            case 'c':
                noteValue = 0;
                break;
            case 'd':
                noteValue = 2;
                break;
            case 'e':
                noteValue = 4;
                break;
            case 'f':
                noteValue = 5;
                break;
            case 'g':
                noteValue = 7;
                break;
            case 'a':
                noteValue = 9;
                break;
            case 'b':
                noteValue = 11;
                break;
            default:
                return null;
        }

        if (!ModelUtils.accidentalModeMapping.has(accidental)) {
            return null;
        }

        noteAccidenalMode = ModelUtils.parseAccidentalMode(accidental);
        switch (noteAccidenalMode) {
            case NoteAccidentalMode.Default:
                break;
            case NoteAccidentalMode.ForceNone:
                break;
            case NoteAccidentalMode.ForceNatural:
                break;
            case NoteAccidentalMode.ForceSharp:
                noteValue++;
                break;
            case NoteAccidentalMode.ForceDoubleSharp:
                noteValue += 2;
                break;
            case NoteAccidentalMode.ForceFlat:
                noteValue--;
                break;
            case NoteAccidentalMode.ForceDoubleFlat:
                noteValue -= 2;
                break;
        }