/// <summary>
/// Creates the actual animator instance
/// </summary>
private static IValueAnimator CreateDouble(Timeline timeline, double startingValue, double targetValue)
{
if (timeline.GetIsDurationZero())
{
// Avoid unnecessary JS interop in the case of a zero-duration animation
return(new ImmediateAnimator <double>(startingValue, targetValue));
}
return(new RenderingLoopFloatAnimator((float)startingValue, (float)targetValue));
}
/// <summary>
/// Creates the actual animator instance
/// </summary>
private static IValueAnimator CreateDouble(Timeline timeline, double startingValue, double targetValue)
{
if (timeline.GetIsDependantAnimation() || timeline.GetIsDurationZero())
{
return(new NativeValueAnimatorAdapter(ValueAnimator.OfFloat((float)startingValue, (float)targetValue)));
}
else
{
return(timeline.GetGPUAnimator(startingValue, targetValue));
}
}
private static IValueAnimator CreateColor(Timeline timeline, ColorOffset startingValue, ColorOffset targetValue)
{
if (timeline.GetIsDurationZero())
{
// Avoid unnecessary JS interop in the case of a zero-duration animation
return(new ImmediateAnimator <ColorOffset>(startingValue, targetValue));
}
// TODO: GPU-bound color animations - https://github.com/unoplatform/uno/issues/2947
return(new RenderingLoopColorAnimator(startingValue, targetValue));
}
/// <summary>
/// Gets a value indicating whether this instance is a dependant animation.
///
/// https://msdn.microsoft.com/en-uS/office/office365/jj819807.aspx#dependent
/// </summary>
/// <value><c>true</c> if this instance is dependant animation; otherwise, <c>false</c>.</value>
internal static bool GetIsDependantAnimation(this Timeline timeline)
{
if (timeline.GetIsDurationZero() || !timeline.IsTargetPropertyDependant())
{
//is not dependant if the target is a transform or duration is zero
return(false);
}
if (timeline.Log().IsEnabled(Microsoft.Extensions.Logging.LogLevel.Debug))
{
timeline.Log().Debug("This Dependant animation will not run, EnableDependentAnimation is set to false");
}
return(true); //is dependant
}
/// <summary> /// Animation should be hardware-bound if it is neither dependent, nor zero-duration. /// </summary> internal static bool GetIsHardwareAnimated(this Timeline timeline) => !timeline.GetIsDependantAnimation() && !timeline.GetIsDurationZero();