Wc.ExpressionAnimation GetExpressionAnimation(Wd.ExpressionAnimation obj)
{
#if ReuseExpressionAnimation
// Reset and reuse the same ExpressionAnimation each time.
var result = _expressionAnimation;
result.Comment = obj.Comment ?? string.Empty;
// If there is a Target set it. Note however that the Target isn't used for anything
// interesting in this scenario, and there is no way to reset the Target to an
// empty string (the Target API disallows empty). In reality, for all our uses
// the Target will not be set and it doesn't matter if it was set previously.
if (!string.IsNullOrWhiteSpace(obj.Target))
{
result.Target = obj.Target;
}
result.Expression = obj.Expression.Simplified.ToString();
result.ClearAllParameters();
foreach (var parameter in obj.ReferenceParameters)
{
result.SetReferenceParameter(parameter.Key, GetCompositionObject(parameter.Value));
}
#else
if (GetExisting(obj, out Wc.ExpressionAnimation result))
{
return(result);
}
result = CacheAndInitializeAnimation(obj, _c.CreateExpressionAnimation(obj.Expression));
#endif
StartAnimations(obj, result);
return(result);
}
ExpressionAnimation(ExpressionAnimation other, Expression expression)
: base(other)
{
Expression = expression;
}