private void Perform(Staff staff, Measure measure, ScoreRendererBase renderer)
{
//Draw missing stems / Dorysuj brakujące ogonki:
Note lastNoteInBeam = null;
Note firstNoteInBeam = null;
foreach (Note note in staff.Elements.OfType <Note>())
{
//Search for the end of the beam / Przeszukaj i znajdź koniec belki:
if (note.BeamList.Count == 0)
{
continue;
}
if (note.BeamList[0] == NoteBeamType.End)
{
continue;
}
if (note.BeamList[0] == NoteBeamType.Start)
{
firstNoteInBeam = note;
continue;
}
if (note.BeamList[0] != NoteBeamType.Continue)
{
continue;
}
if (note.HasCustomStemEndPosition)
{
continue;
}
lastNoteInBeam = GetLastNoteInBeam(note, staff);
double newStemEndPosition = Math.Abs(note.StemEndLocation.X -
firstNoteInBeam.StemEndLocation.X) *
((Math.Abs(lastNoteInBeam.StemEndLocation.Y - firstNoteInBeam.StemEndLocation.Y)) /
(Math.Abs(lastNoteInBeam.StemEndLocation.X - firstNoteInBeam.StemEndLocation.X)));
//Jeśli ostatnia nuta jest wyżej, to odejmij y zamiast dodać
//If the last note is higher, subtract y instead of adding
if (lastNoteInBeam.StemEndLocation.Y < firstNoteInBeam.StemEndLocation.Y)
{
newStemEndPosition *= -1;
}
Point newStemEndPoint = new Point(note.StemEndLocation.X, firstNoteInBeam.StemEndLocation.Y + newStemEndPosition);
if (measure != null && note.Measure != measure)
{
continue; //Odśwież tylko stemy z wybranego taktu w trybie odświeżania jednego taktu
}
if (note.StemDirection == VerticalDirection.Down)
{
var chord = NoteRenderStrategy.GetChord(note, staff);
var highestNoteInChord = chord.Last();
renderer.DrawLine(new Point(note.StemEndLocation.X, highestNoteInChord.TextBlockLocation.Y), new Point(newStemEndPoint.X, newStemEndPoint.Y), new Pen(renderer.CoalesceColor(note), renderer.Settings.DefaultStemThickness), note);
}
else
{
renderer.DrawLine(new Point(note.StemEndLocation.X, note.TextBlockLocation.Y), new Point(newStemEndPoint.X, newStemEndPoint.Y), new Pen(renderer.CoalesceColor(note), renderer.Settings.DefaultStemThickness), note);
}
if (lastNoteInBeam == null)
{
continue;
}
}
}
