/// <inheritdoc/>
protected override IAnimationBuilder OnSize(Axis axis, double?from, double to, Easing ease)
{
if (!(TargetElement is FrameworkElement element))
{
throw new InvalidOperationException("Can't animate the size of an item that's not a framework element");
}
AnimationFactories.Add(duration =>
{
switch (axis)
{
case Axis.X: return(TargetElement.CreateDoubleAnimation(nameof(FrameworkElement.Width), double.IsNaN(element.Width) ? element.ActualWidth : from, to, duration, ease, true));
case Axis.Y: return(TargetElement.CreateDoubleAnimation(nameof(FrameworkElement.Height), double.IsNaN(element.Height) ? element.ActualHeight : from, to, duration, ease, true));
default: throw new ArgumentException($"Invalid axis: {axis}", nameof(axis));
}
});
return(this);
}
/// <inheritdoc/>
protected override IAnimationBuilder OnOpacity(double?from, double to, Easing ease)
{
AnimationFactories.Add(duration => TargetElement.CreateDoubleAnimation(nameof(UIElement.Opacity), from, to, duration, ease));
return(this);
}