public ExtendOption(bool extend, GravityOption option = null)
{
Extend = extend;
GravityOption = option;
if (option != null && option.Type == GravityTypes.Smart)
{
throw new ArgumentException(nameof(option));
}
}
public CropOption(float width, float height, GravityOption option = null)
{
Width = width;
Height = height;
GravityOption = option;
}