private static double GetAverageStemLength(IEnumerable <Note> notes, IMeasurementService measurementService)
{
var elementsUnderTupletForAverageStemLength = notes.Where(n => MusicalSymbol.DirectionToPlacement(n.StemDirection) == measurementService.TupletState.TupletPlacement).ToList();
double averageStemLength = elementsUnderTupletForAverageStemLength.Count == 0 ? 0 : elementsUnderTupletForAverageStemLength.Average(n => n.ActualStemLength);
averageStemLength += 10; //Add space
return(averageStemLength);
}
public static void TupletMark(IMeasurementService measurementService, IScoreService scoreService, ScoreRendererBase renderer, NoteOrRest element, int beamLoop)
{
if (measurementService.TupletState == null)
{
throw new Exception("DrawTupletMark was called but no tuplet is currently open in staff.");
}
Staff staff = scoreService.CurrentStaff;
NoteOrRest firstElementInTuplet = staff.Peek <NoteOrRest>(element, PeekType.BeginningOfTuplet);
int index = staff.Elements.IndexOf(firstElementInTuplet);
List <MusicalSymbol> elementsUnderTuplet = staff.Elements.GetRange(index, staff.Elements.IndexOf(element) - index);
var elementsUnderTupletForAverageStemLength = elementsUnderTuplet.OfType <Note>().Where(n => MusicalSymbol.DirectionToPlacement(n.StemDirection) == measurementService.TupletState.TupletPlacement).ToList();
double averageStemLength = elementsUnderTupletForAverageStemLength.Count == 0 ? 0 : elementsUnderTupletForAverageStemLength.Average(n => n.ActualStemLength);
averageStemLength += 10; //Add space
int placementMod = measurementService.TupletState.TupletPlacement == VerticalPlacement.Above ? -1 : 1;
double tupletBracketStartXPosition = firstElementInTuplet.TextBlockLocation.X + 6;
double tupletBracketStartYPosition = firstElementInTuplet.TextBlockLocation.Y + 25 + averageStemLength * placementMod;
double tupletBracketEndXPosition = element.TextBlockLocation.X + 12;
double tupletBracketEndYPosition = element.TextBlockLocation.Y + 25 + averageStemLength * placementMod;
if (measurementService.TupletState.AreSingleBeamsPresentUnderTuplet) //Draw tuplet bracket
{
renderer.DrawLine(new Point(tupletBracketStartXPosition, tupletBracketStartYPosition),
new Point(tupletBracketEndXPosition, tupletBracketEndYPosition), element);
renderer.DrawLine(new Point(tupletBracketStartXPosition, tupletBracketStartYPosition),
new Point(tupletBracketStartXPosition, firstElementInTuplet.TextBlockLocation.Y + 25 + (averageStemLength - 4) * placementMod), element);
renderer.DrawLine(new Point(tupletBracketEndXPosition, tupletBracketEndYPosition),
new Point(tupletBracketEndXPosition, element.TextBlockLocation.Y + 25 + (averageStemLength - 4) * placementMod), element);
}
double numberOfNotesYTranslation = 0;
if (measurementService.TupletState.TupletPlacement == VerticalPlacement.Above)
{
numberOfNotesYTranslation -= 18; //If text should appear above the tuplet, move a bit to up
}
//If bracket is not drawn, move up or down to fill space
if (!measurementService.TupletState.AreSingleBeamsPresentUnderTuplet)
{
numberOfNotesYTranslation += 10 * (measurementService.TupletState.TupletPlacement == VerticalPlacement.Above ? 1 : -1);
}
var allElementsUnderTuplet = elementsUnderTuplet.OfType <NoteOrRest>().ToList();
allElementsUnderTuplet.Add(element);
var tupletNumber = CalculateTupletNumber(allElementsUnderTuplet);
renderer.DrawString(Convert.ToString(tupletNumber), MusicFontStyles.LyricsFont,
new Point(tupletBracketStartXPosition + (tupletBracketEndXPosition - tupletBracketStartXPosition) / 2 - 6,
tupletBracketStartYPosition + (tupletBracketEndYPosition - tupletBracketStartYPosition) / 2 + numberOfNotesYTranslation), element);
}
