StrToFontSize

function StrToFontSize(

  const Str: ThtString;

  const FontConvBase: ThtFontConvBase;

  DefaultFontSize: Double;

  Base: Double;

  Default: Double;

  PixelsPerInch: Integer

):Double; overload;

function StrToFontSize(

  const Str: ThtString;

  const FontConv: ThtFontConv;

  Base: Double;

  Default: Double;

  PixelsPerInch: Integer

):Double; overload;