static IReadOnlyList <ImmutableGradientStop> CreateStopsFromSolidColorBrush(ISolidColorBrush solidColorBrush, IReadOnlyList <IGradientStop> baseStops)
{
var stops = new ImmutableGradientStop[baseStops.Count];
for (int index = 0; index < baseStops.Count; index++)
{
stops[index] = new ImmutableGradientStop(baseStops[index].Offset, solidColorBrush.Color);
}
return(stops);
}
private IReadOnlyList <ImmutableGradientStop> InterpolateStops(double progress, IReadOnlyList <IGradientStop> oldValue, IReadOnlyList <IGradientStop> newValue)
{
var resultCount = Math.Max(oldValue.Count, newValue.Count);
var stops = new ImmutableGradientStop[resultCount];
for (int index = 0, oldIndex = 0, newIndex = 0; index < resultCount; index++)
{
stops[index] = new ImmutableGradientStop(
s_doubleAnimator.Interpolate(progress, oldValue[oldIndex].Offset, newValue[newIndex].Offset),
ColorAnimator.InterpolateCore(progress, oldValue[oldIndex].Color, newValue[newIndex].Color));
if (oldIndex < oldValue.Count - 1)
{
oldIndex++;
}
if (newIndex < newValue.Count - 1)
{
newIndex++;
}
}
return(stops);
}
