private static void ConvertGradientColorStops(Compositor compositor, CompositionGradientBrush compositionBrush, GradientStopCollection gradientStops, double opacity)
{
compositionBrush.ColorStops.Clear();
foreach (var stop in gradientStops)
{
compositionBrush.ColorStops.Add(compositor.CreateColorGradientStop((float)stop.Offset, stop.Color.WithOpacity(opacity)));
}
}
static void OptimizeGradientBrush(CompositionGradientBrush obj)
{
if (obj.AnchorPoint == Vector2.Zero)
{
obj.AnchorPoint = null;
}
if (obj.CenterPoint == Vector2.Zero)
{
obj.CenterPoint = null;
}
if (obj.ExtendMode == CompositionGradientExtendMode.Clamp)
{
obj.ExtendMode = null;
}
if (obj.InterpolationSpace == CompositionColorSpace.Rgb)
{
obj.InterpolationSpace = null;
}
if (obj.MappingMode == CompositionMappingMode.Relative)
{
obj.MappingMode = null;
}
if (obj.Offset == Vector2.Zero)
{
obj.Offset = null;
}
if (obj.RotationAngleInDegrees == 0)
{
obj.RotationAngleInDegrees = null;
}
if (obj.Scale == Vector2.One)
{
obj.Scale = null;
}
if (obj.TransformMatrix == Matrix3x2.Identity)
{
obj.TransformMatrix = null;
}
}
