protected override void PaintGrouped(float cx, float cy, float endX, ICanvas canvas)
{
var startX = cx + X;
var height = Height * Scale;
canvas.BeginPath();
if (_crescendo == CrescendoType.Crescendo)
{
canvas.MoveTo(endX, cy + Y);
canvas.LineTo(startX, cy + Y + height / 2);
canvas.LineTo(endX, cy + Y + height);
}
else
{
canvas.MoveTo(cx + X, cy + Y);
canvas.LineTo(endX, cy + Y + (height / 2));
canvas.LineTo(cx + X, cy + Y + height);
}
canvas.Stroke();
}