public Brush SubtractValues(Brush a, Brush b)
{
BrushAnimationInput transformedInput = BrushAnimationInputTransformer.Transform(a, b);
a = transformedInput.From;
b = transformedInput.To;
return(GetAnimationHelperForBrush(a)
.SubtractValues(a, b));
}
public Brush InterpolateValue(Brush from, Brush to, double progress)
{
BrushAnimationInput transformedInput = BrushAnimationInputTransformer.Transform(from, to);
from = transformedInput.From;
to = transformedInput.To;
return(GetAnimationHelperForBrush(from)
.InterpolateValue(from, to, progress));
}
/// <summary>
/// Adds the values of the two specified brushes
/// and returns a new brush, which represents the addition's
/// result.
/// </summary>
/// <param name="a">the first brush.</param>
/// <param name="b">The second brush.</param>
/// <returns>
/// The result of the addition.
/// </returns>
protected override sealed Brush AddValues(Brush a, Brush b)
{
BrushAnimationInput transformedInput = BrushAnimationInputTransformer.Transform(a, b);
a = transformedInput.From;
b = transformedInput.To;
BrushAnimationValidator.ValidateBrushes(a, b);
return(BrushAnimationHelper.Instance.AddValues(a, b));
}
