/// <summary>
/// Helper extension method to get <see cref="ConversionMetadataKeys.WhitePoint" />
/// </summary>
public static XYZColor GetWhitePointRequired(this IConversionMetadata node)
=> node.GetWhitePoint() ?? throw new MissingConversionMetadataException("White point is not specified, but is required for the conversion.", ConversionMetadataKeys.WhitePoint);
/// <summary> /// Helper extension method to get <see cref="ConversionMetadataKeys.WhitePoint" /> as Key-Value pair. /// </summary> public static KeyValuePair <string, object> GetWhitePointItem(this IConversionMetadata node) => new KeyValuePair <string, object>(ConversionMetadataKeys.WhitePoint, node.GetWhitePoint());