osu-lazer/osu.Game/Screens/Edit/Components/Timelines/Summary/Visualisations/DurationVisualisation.cs

using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Shapes;

namespace osu.Game.Screens.Edit.Components.Timelines.Summary.Visualisations
{
    /// <summary>
    /// Represents a spanning point on a timeline part.
    /// </summary>
    internal class DurationVisualisation : Container
    {
        protected DurationVisualisation(double startTime, double endTime)
        {
            Masking = true;
            CornerRadius = 5;

            RelativePositionAxes = Axes.X;
            RelativeSizeAxes = Axes.Both;
            X = (float)startTime;
            Width = (float)(endTime - startTime);

            AddInternal(new Box { RelativeSizeAxes = Axes.Both });
        }
    }
}