protected override void EnableProperties()
{
Color.IsVisibleWhen(ColorMode, p => p.CurrentValue == SolidBrushColorMode.Static);
Colors.IsHiddenWhen(ColorMode, p => p.CurrentValue == SolidBrushColorMode.Static);
GradientPosition.IsVisibleWhen(ColorMode, p => p.CurrentValue == SolidBrushColorMode.GradientPosition);
AnimationSpeed.IsVisibleWhen(ColorMode, p => p.CurrentValue == SolidBrushColorMode.GradientAnimation);
}
protected virtual void OnGradientPositionChanged(GradientPosition Value)
{
var Point = default(Point);
switch (GradientType)
{
case GradientType.Linear:
switch (Value)
{
case GradientPosition.End:
Point = Gradient.As <LinearGradientBrush>().EndPoint;
break;
case GradientPosition.Start:
Point = Gradient.As <LinearGradientBrush>().StartPoint;
break;
}
break;
case GradientType.Radial:
switch (Value)
{
case GradientPosition.End:
Point = Gradient.As <RadialGradientBrush>().Center;
break;
case GradientPosition.Start:
Point = Gradient.As <RadialGradientBrush>().GradientOrigin;
break;
}
break;
}
AngleChangeHandled = true;
var x = Math.Acos(Point.X);
Angle = x / Math.PI / (1d / 180d);
AngleChangeHandled = false;
OnGradientChanged(new EventArgs <Brush>(Gradient));
}