\ProvidesPackage{Alegreya}[%
   2015/09/02 (Bob Tennent)  Supports Alegreya and AlegreyaSC fonts for all LaTeX engines. ] 

\RequirePackage{ifxetex,ifluatex,textcomp}

\newif\ifAlegreya@ttf
\ifxetex
  \Alegreya@ttftrue
\else\ifluatex
  \Alegreya@ttftrue
\else  % [pdf]LaTeX
  \Alegreya@ttffalse
\fi\fi

\newif\ifAlegreya@lining \Alegreya@liningtrue
\newif\ifAlegreya@tabular \Alegreya@tabularfalse
\newif\ifAlegreya@black \Alegreya@blackfalse

\newcommand*{\Alegreya@scale}{1}  
\RequirePackage{xkeyval}
\DeclareOptionX{scaled}{\renewcommand*{\Alegreya@scale}{#1}}
\DeclareOptionX{scale}{\renewcommand*{\Alegreya@scale}{#1}}

\DeclareOptionX{type1}{\Alegreya@ttffalse}

\DeclareOptionX{lining}[true]{%
\@nameuse{if#1}%
  \Alegreya@liningtrue
\else
  \Alegreya@liningfalse
\fi
}
\DeclareOptionX{lf}[true]{%
\@nameuse{if#1}%
  \Alegreya@liningtrue
\else
  \Alegreya@liningfalse
\fi
}
\DeclareOptionX{oldstyle}[true]{%
\@nameuse{if#1}%
  \Alegreya@liningfalse
\else
  \Alegreya@liningtrue
\fi
}

\DeclareOptionX{osf}[true]{%
\@nameuse{if#1}%
  \Alegreya@liningfalse
\else
  \Alegreya@liningtrue
\fi
}

\DeclareOptionX{tabular}[true]{%
\@nameuse{if#1}%
  \Alegreya@tabulartrue
\else
  \Alegreya@tabularfalse
\fi
}
\DeclareOptionX{tf}[true]{%
\@nameuse{if#1}%
  \Alegreya@tabulartrue
\else
  \Alegreya@tabularfalse
\fi
}
\DeclareOptionX{proportional}[true]{%
\@nameuse{if#1}%
  \Alegreya@tabularfalse
\else
  \Alegreya@tabulartrue
\fi
}

\DeclareOptionX{pf}[true]{%
\@nameuse{if#1}%
  \Alegreya@tabularfalse
\else
  \Alegreya@tabulartrue
\fi
}

\def\bfseries@sf{b}\def\Alegreya@boldstyle{Bold}
\DeclareOptionX{black}{\edef\bfseries@sf{k}\edef\Alegreya@boldstyle{Black}}

\ProcessOptionsX\relax

\ifAlegreya@ttf
  \ifAlegreya@lining
    \def\Alegreya@figurestyle{Lining}
  \else
    \def\Alegreya@figurestyle{OldStyle}
  \fi
  \ifAlegreya@tabular
    \def\Alegreya@figurealign{Monospaced}
  \else
    \def\Alegreya@figurealign{Proportional}
  \fi

\else % type1

  \ifAlegreya@lining
    \def\Alegreya@figurestyle{LF} 
  \else
    \def\Alegreya@figurestyle{OsF} 
  \fi
  \ifAlegreya@tabular
    \def\Alegreya@figurealign{T}
  \else
    \def\Alegreya@figurealign{}
  \fi
\fi


\ifAlegreya@ttf
  \RequirePackage{fontspec}
\else
  \RequirePackage{fontenc,fontaxes,mweights}
\fi

\ifAlegreya@ttf
  \ifxetex\XeTeXtracingfonts=1\fi
  \defaultfontfeatures{
     Ligatures = TeX ,
     Extension = .ttf ,
     Scale     = \Alegreya@scale ,
  }
  \setmainfont
      [ Numbers = {\Alegreya@figurealign,\Alegreya@figurestyle},
        UprightFont    = *-Regular ,
        ItalicFont     = *-Italic ,
        BoldFont       = *-\Alegreya@boldstyle , 
        BoldItalicFont = *-\Alegreya@boldstyle Italic ]
      {Alegreya}
  % grab current family in case of subsequent change:
  \let\Alegreyafamily\rmdefault 
  \def\useosf{%
    \edef\Alegreya@figurestyle{OldStyle}
    \defaultfontfeatures{
       Ligatures = TeX ,
       Extension = .ttf ,
       Scale = \Alegreya@scale ,
    }
    \setmainfont
        [ Numbers = {\Alegreya@figurealign,\Alegreya@figurestyle},
          UprightFont    = *-Regular ,
          ItalicFont     = *-Italic ,
          BoldFont       = *-\Alegreya@boldstyle , 
          BoldItalicFont = *-\Alegreya@boldstyle Italic ]
        {Alegreya}
    \def\rmfamily{\Alegreya@OsF\def\scshape{\AlegreyaSC}}
    \rmfamily
    \defaultfontfeatures{}
  }
  \newfontfamily\Alegreya
      [ Numbers = {\Alegreya@figurealign,\Alegreya@figurestyle},
        UprightFont    = *-Regular ,
        ItalicFont     = *-Italic ,
        BoldFont       = *-\Alegreya@boldstyle , 
        BoldItalicFont = *-\Alegreya@boldstyle Italic ]
      {Alegreya}
  \newfontfamily\AlegreyaOsF
        [ Numbers = {Proportional,OldStyle},
        UprightFont    = *-Regular ,
        ItalicFont     = *-Italic ,
        BoldFont       = *-\Alegreya@boldstyle , 
        BoldItalicFont = *-\Alegreya@boldstyle Italic ]
      {Alegreya}
  \newfontfamily\AlegreyaLF
        [ Numbers = {Proportional,Lining},
        UprightFont    = *-Regular ,
        ItalicFont     = *-Italic ,
        BoldFont       = *-\Alegreya@boldstyle , 
        BoldItalicFont = *-\Alegreya@boldstyle Italic ]
      {Alegreya}
  \newfontfamily\AlegreyaTOsF
        [ Numbers = {Monospaced,OldStyle},
        UprightFont    = *-Regular ,
        ItalicFont     = *-Italic ,
        BoldFont       = *-\Alegreya@boldstyle , 
        BoldItalicFont = *-\Alegreya@boldstyle Italic ]
      {Alegreya}
  \newfontfamily\Alegreya@OsF  % for \useosf
        [ Numbers = {\Alegreya@figurealign, OldStyle},
        UprightFont    = *-Regular ,
        ItalicFont     = *-Italic ,
        BoldFont       = *-\Alegreya@boldstyle , 
        BoldItalicFont = *-\Alegreya@boldstyle Italic ]
      {Alegreya}
  \newfontfamily\AlegreyaTLF
        [ Numbers = {Monospaced,Lining},
        UprightFont    = *-Regular ,
        ItalicFont     = *-Italic ,
        BoldFont       = *-\Alegreya@boldstyle , 
        BoldItalicFont = *-\Alegreya@boldstyle Italic ]
      {Alegreya}
  \newfontfamily\AlegreyaBlack
      [ Numbers = {\Alegreya@figurealign,\Alegreya@figurestyle},
        UprightFont    = *-Black ,
        ItalicFont     = *-BlackItalic ,
        BoldFont       = *-Black ,
        BoldItalicFont = *-BlackItalic ]
      {Alegreya}
  \newfontfamily\AlegreyaSC
      [ UprightFont    = *-Regular ,
        ItalicFont     = *-Italic ,
        BoldFont       = *-\Alegreya@boldstyle , 
        BoldItalicFont = *-\Alegreya@boldstyle Italic ]
      {AlegreyaSC}

  \def\rmfamily{\Alegreya\def\scshape{\AlegreyaSC}}
  \rmfamily
  \providecommand\sufigures{\addfontfeatures{VerticalPosition=Superior}}  
  \providecommand\infigures{\addfontfeatures{VerticalPosition=ScientificInferior}}


\else % type1

  \def\Alegreyafamily{Alegreya-\Alegreya@figurealign \Alegreya@figurestyle}
  \def\Alegreya{\fontfamily{\Alegreyafamily}\selectfont}
  \def\AlegreyaLF{\fontfamily{Alegreya-LF}\selectfont}
  \def\AlegreyaOsF{\fontfamily{Alegreya-OsF}\selectfont}
  \def\AlegreyaTLF{\fontfamily{Alegreya-TLF}\selectfont}
  \def\AlegreyaTOsF{\fontfamily{Alegreya-TOsF}\selectfont}
  \def\AlegreyaBlack{\fontfamily{\Alegreyafamily}\fontseries{k}\selectfont}
  \def\AlegreyaSC{\fontfamily{AlegreyaSC-TLF}\selectfont}

  \fa@naming@exception{figures}{{superior}{proportional}}{Sup}
  \fa@naming@exception{figures}{{superior}{tabular}}{Sup}
  \providecommand\sufigures{\@nomath\sufigures\fontfigurestyle{superior}\selectfont}

  \fa@naming@exception{figures}{{inferior}{proportional}}{Inf}
  \fa@naming@exception{figures}{{inferior}{tabular}}{Inf}
  \providecommand\infigures{\@nomath\infigures\fontfigurestyle{inferior}\selectfont}

  \def\rmdefault{\Alegreyafamily}
  \def\rmfamily{\fontfamily{\Alegreyafamily}\selectfont\def\scshape{\AlegreyaSC}}
  \rmfamily
  \def\useosf{\edef\Alegreya@figurestyle{OsF}\renewcommand*{\rmdefault}{Alegreya-\Alegreya@figurealign OsF}}

\fi

\DeclareTextFontCommand{\textsu}{\sufigures}
\DeclareTextFontCommand{\textin}{\infigures}

% turn off defaults in case other fonts are selected:
\ifAlegreya@ttf
  \defaultfontfeatures{}
\fi

\endinput