public static double RelativeAgeOf(this ITimeSpanContainer timeSpanContainer, DateTime dateTime)
{
var age = dateTime.Subtract(timeSpanContainer.Start);
var maxAge = timeSpanContainer.Stop.Subtract(timeSpanContainer.Start);
double relativeAge = age.TotalHours / maxAge.TotalHours;
return(relativeAge);
}
public AgeGradient(ITimeSpanContainer timeSpanContainer)
{
_timeSpanContainer = timeSpanContainer;
}
