private void OnTouchEnded(object sender, EventArgs e)
{
TouchStroke stroke = CurrentStroke;
CurrentStroke = null;
if (stroke != null)
{
StrokeFinished?.Invoke(this, new TouchStrokeEventArgs(stroke));
}
}
private void OnTouchMoved(object sender, RawTouchEventArgs e)
{
TouchStroke stroke = CurrentStroke;
if (stroke != null)
{
stroke.AddPoint(e.Location);
StrokeChanged?.Invoke(this, EventArgs.Empty);
}
}
private void OnTouchStarted(object sender, EventArgs e)
{
CurrentStroke = new TouchStroke(TouchArea);
_strokes.Add(CurrentStroke);
}
/// <summary>
/// Clears all stored strokes.
/// </summary>
public void ClearStrokes()
{
CurrentStroke = null;
_strokes.Clear();
}