private void FetchProperties()
{
if (_animation.SpeedRatio < 0d)
{
throw new ArgumentOutOfRangeException("SpeedRatio value should not be negative.");
}
if (_animation.Duration.TotalSeconds <= 0)
{
throw new InvalidOperationException("Duration value cannot be negative or zero.");
}
_easeFunc = _animation.Easing;
_speedRatioConv = 1d / _animation.SpeedRatio;
_initialDelay = _animation.Delay;
_duration = _animation.Duration;
_iterationDelay = _animation.DelayBetweenIterations;
if (_animation.IterationCount.RepeatType == IterationType.Many)
{
_iterationCount = _animation.IterationCount.Value;
}
else
{
_iterationCount = null;
}
_playbackDirection = _animation.PlaybackDirection;
_fillMode = _animation.FillMode;
}
public AnimationInstance(Animation animation, Animatable control, Animator <T> animator, IClock baseClock, Action OnComplete, Func <double, T, T> Interpolator)
{
if (animation.SpeedRatio <= 0)
{
throw new InvalidOperationException("Speed ratio cannot be negative or zero.");
}
if (animation.Duration.TotalSeconds <= 0)
{
throw new InvalidOperationException("Duration cannot be negative or zero.");
}
_parent = animator;
_easeFunc = animation.Easing;
_targetControl = control;
_neutralValue = (T)_targetControl.GetValue(_parent.Property);
_speedRatio = animation.SpeedRatio;
_delay = animation.Delay;
_duration = animation.Duration;
_iterationDelay = animation.DelayBetweenIterations;
switch (animation.RepeatCount.RepeatType)
{
case RepeatType.None:
_repeatCount = 1;
break;
case RepeatType.Loop:
_isLooping = true;
break;
case RepeatType.Repeat:
_repeatCount = (long)animation.RepeatCount.Value;
break;
}
_animationDirection = animation.PlaybackDirection;
_fillMode = animation.FillMode;
_onCompleteAction = OnComplete;
_interpolator = Interpolator;
_baseClock = baseClock;
}
public override object ConvertFrom(ITypeDescriptorContext?context, CultureInfo?culture, object value)
{
return(Easing.Parse((string)value));
}
