/// <summary>
/// Initiate rendering process with the given <see cref="CXO2.Charting.Chart"/>.
/// </summary>
/// <param name="chart"><see cref="Charting.Chart"/> to render.</param>
public async void Render(Chart chart)
{
// Wait task to complete and dispose current chart
if (task?.Status == TaskStatus.Running)
{
await task;
}
// Validate chart
Chart = chart;
if (Chart == null || Chart.Events == null || Chart.Events.Length == 0)
{
throw new Exception("No events to be rendered.");
}
// Reset stats
Measure = 0;
Beat = 0;
Cell = 0;
Elapsed = TimeSpan.Zero;
Duration = Chart.Duration;
BPM = Chart.BPM;
IsRendering = true;
startTick = DateTime.Now.Ticks;
bpmOffset = 0;
timeOffset = 0;
pausedOffset = 0;
RenderStart?.Invoke(this, EventArgs.Empty);
}
/// <summary>
/// Raises event 'RenderStart'
/// </summary>
protected virtual void OnRenderStart()
{
if (RenderStart != null)
{
RenderStart.Invoke(this, System.EventArgs.Empty);
}
}
