public static Note CombineNote(Note firstLyric, Note secondLyric)
{
if (firstLyric.ParentLyric != secondLyric.ParentLyric)
{
throw new InvalidOperationException($"{nameof(firstLyric.ParentLyric)} and {nameof(secondLyric.ParentLyric)} should be same.");
}
if (firstLyric.StartIndex != secondLyric.StartIndex)
{
throw new InvalidOperationException($"{nameof(firstLyric.StartIndex)} and {nameof(secondLyric.StartIndex)} should be same.");
}
if (firstLyric.EndIndex != secondLyric.EndIndex)
{
throw new InvalidOperationException($"{nameof(firstLyric.EndIndex)} and {nameof(secondLyric.EndIndex)} should be same.");
}
var startTime = Math.Min(firstLyric.StartTime, secondLyric.StartTime);
var endTime = Math.Max(firstLyric.EndTime, secondLyric.EndTime);
return(NoteUtils.CopyByTime(firstLyric, startTime, endTime - startTime));
}
public static Tuple <Note, Note> SplitNote(Note note, double percentage = 0.5)
{
if (percentage < 0 || percentage > 1)
{
throw new ArgumentOutOfRangeException(nameof(Note));
}
if (percentage == 0 || percentage == 1)
{
throw new InvalidOperationException($"{nameof(percentage)} cannot be {0} or {1}.");
}
var firstNoteStartTime = note.StartTime;
var firstNoteDuration = note.Duration * percentage;
var secondNoteStartTime = firstNoteStartTime + firstNoteDuration;
var secondNoteDuration = note.Duration * (1 - percentage);
var firstNote = NoteUtils.CopyByTime(note, firstNoteStartTime, firstNoteDuration);
var secondNote = NoteUtils.CopyByTime(note, secondNoteStartTime, secondNoteDuration);
return(new Tuple <Note, Note>(firstNote, secondNote));
}
