public static async Task <Rect> DrawTie(IRootElementRenderer rootRenderer, Beat from, Beat to, IEnumerable <int> stringIndices, Core.Style.VerticalDirection tiePosition)
{
if (to.IsRest || from.IsRest)
{
return(default(Rect));
}
Debug.Assert(from.VoicePart == to.VoicePart);
var toContext = rootRenderer.GetRenderer <Beat, BeatRenderer>(to).RenderingContext;
var fromContext = rootRenderer.GetRenderer <Beat, BeatRenderer>(from).RenderingContext;
var bounds = new BoundingBoxUnion();
foreach (var stringIndex in stringIndices)
{
var currentBounds = toContext.GetNoteBoundingBox(to.OwnerColumn.ColumnIndex, stringIndex);
var previousBounds = fromContext.GetNoteBoundingBox(from.OwnerColumn.ColumnIndex, stringIndex);
Debug.Assert(currentBounds != null, "currentBounds != null");
Debug.Assert(previousBounds != null, "previousBounds != null");
var fromX = previousBounds.Value.Right + toContext.Style.NoteMargin;
var toX = currentBounds.Value.Left - toContext.Style.NoteMargin;
if (toContext.Owner == fromContext.Owner) // both in same row
{
bounds.AddBounds(await toContext.Owner.DrawTie(fromX, toX, stringIndex, tiePosition, null, 0));
}
else
{
bounds.AddBounds(await toContext.Owner.DrawTie(toContext.Owner.Location.X + toContext.Owner.HeaderWidth,
toX, stringIndex, tiePosition, null, 0));
await fromContext.Owner.DrawTie(fromX,
fromContext.Owner.BottomRight.X,
stringIndex, tiePosition, null, 0);
}
}
Debug.Assert(bounds.HasAnyBounds);
return(bounds.Bounds);
}
public static async Task <Rect> DrawGliss(IRootElementRenderer rootRenderer, Beat beat,
IEnumerable <int> stringIndices,
GlissDirection direction)
{
var beatRenderer = rootRenderer.GetRenderer <Beat, BeatRenderer>(beat);
var renderingContext = beatRenderer.RenderingContext;
var bounds = new BoundingBoxUnion();
foreach (var stringIndex in stringIndices)
{
var noteBounds = renderingContext.GetNoteBoundingBox(beat.OwnerColumn.ColumnIndex, stringIndex);
Debug.Assert(noteBounds != null);
double x;
switch (direction)
{
case GlissDirection.FromHigher:
case GlissDirection.FromLower:
x = noteBounds.Value.Left - renderingContext.Style.NoteMargin;
break;
case GlissDirection.ToHigher:
case GlissDirection.ToLower:
x = noteBounds.Value.Right + renderingContext.Style.NoteMargin;
break;
default:
throw new InvalidOperationException();
}
bounds.AddBounds(await renderingContext.DrawGliss(x, stringIndex, direction, beat.VoicePart));
}
Debug.Assert(bounds.HasAnyBounds);
return(bounds.Bounds);
}