/// <summary>
/// Convert a string of characters to corresponding font segments
/// </summary>
/// <param name="input">input string</param>
/// <returns>list of corresponding character fonts</returns>
public static Font[] GetString(string input)
{
var fonts = new Font[input.Length];
if (fonts.Length > 0)
{
ConvertString(input.AsSpan(), fonts.AsSpan());
}
return(fonts);
}