private void PerformOnBeamGroups(IEnumerable <BeamGroup> beamGroups, ScoreRendererBase renderer)
{
foreach (var beamGroup in beamGroups)
{
Note previousNote = null;
foreach (var member in beamGroup.Members)
{
var currentNote = member as Note;
if (currentNote == null)
{
continue;
}
var beamPen = renderer.CreatePenFromDefaults(currentNote, "beamThickness", s => s.DefaultBeamThickness);
beamPen.Color = currentNote.CoalesceColor(renderer);
var beamSpacing = renderer.GetEngravingDefault("beamSpacing") ?? beamPen.Thickness * 0.6;
var beamNumber = 1;
foreach (var beamType in currentNote.BeamList)
{
var beamOffset = (beamPen.Thickness + beamSpacing) * (beamNumber - 1) * (currentNote.StemDirection == VerticalDirection.Up ? 1 : -1);
var stemEnd = beamGroup.Start.TranslateHorizontallyAndMaintainAngle(beamGroup.Angle, currentNote.StemEndLocation.X - beamGroup.Start.X);
currentNote.StemStartLocation = stemEnd;
if (beamType == NoteBeamType.ForwardHook || beamType == NoteBeamType.BackwardHook)
{
var hookLength = beamType == NoteBeamType.ForwardHook ? 6 : -6;
var hookEnd = stemEnd.TranslateByAngleOld(beamGroup.Angle, hookLength);
renderer.DrawLine(stemEnd.Translate(0, beamOffset), hookEnd.Translate(0, beamOffset),
beamPen, beamGroup);
}
else if (previousNote != null && beamType != NoteBeamType.Single && previousNote.BeamList.Count >= beamNumber)
{
var stemEnd1 = beamGroup.Start.TranslateHorizontallyAndMaintainAngle(beamGroup.Angle, previousNote.StemEndLocation.X - beamGroup.Start.X);
renderer.DrawLine(stemEnd1.Translate(0, beamOffset), stemEnd.Translate(0, beamOffset),
beamPen, beamGroup);
}
beamNumber++;
}
previousNote = currentNote;
}
}
}
