\NeedsTeXFormat{LaTeX2e}
\def\fileversion{1.03}
\def\filedate{2023/08/21}
\ProvidesPackage{notomath}
    [\filedate\space v\fileversion.\space (Michael Sharpe)  Supports Noto text and math fonts for LaTeX usage.]

\RequirePackage{fontenc,fontaxes,mweights}
\RequirePackage{xkeyval,textcomp}
%\PassOptionsToPackage{proportional,pf,oldstyle,osf,type1}{noto-serif}
%\PassOptionsToPackage{proportional,pf,oldstyle,osf,type1,sfdefault}{noto-sans}
%\PassOptionsToPackage{}{newtxmath}
%\PassOptionsToPackage{varbb,vvarbb,upint,noamssymbols,slantedGreek,frenchmath,nosymbolsc,subscriptcorrection,timesmathacc,uprightscript,smallerops,useBImacros,noOT1}{newtxmath}
% This seems to pass options that were not specified
% Have to handle less efficiently by parsing args 

\newcommand*{\NotoMath@scale}{1}
\newcommand*{\NotoText@scale}{1}
\newif\ifnoto@sfdefault \noto@sfdefaultfalse
%\newif\ifnoto@pf \noto@pffalse
%\newif\ifnoto@osf \noto@osffalse
%\newcommand*{\NotoSerifMono@scale}{1}
\newcommand{\noto@MO}[1]{\PassOptionsToPackage{#1}{newtxmath}}% pass math option
\newcommand{\noto@TO}[1]{\PassOptionsToPackage{#1}{noto-serif}\PassOptionsToPackage{#1}{noto-sans}
}% pass text option to each possible text font
\newcommand{\noto@TTO}[1]{\PassOptionsToPackage{#1}{noto-mono}}
\noto@TTO{type1}
\DeclareOptionX{scaled}{\renewcommand*{\NotoMath@scale}{#1}}
\DeclareOptionX{scale}{\renewcommand*{\NotoMath@scale}{#1}}

\newif\ifnotomath@mono \notomath@monofalse

\DeclareOptionX{sfdefault}{\noto@sfdefaulttrue}
\DeclareOptionX{proportional}{\noto@TO{pf}}
\DeclareOptionX{pf}{\noto@TO{pf}}
\DeclareOptionX{oldstyle}{\noto@TO{osf}}
\DeclareOptionX{osf}{\noto@TO{osf}}
\DeclareOptionX{mono}{\notomath@monotrue}
\DeclareOptionX{varbb}{\noto@MO{varbb}}
\DeclareOptionX{vvarbb}{\noto@MO{vvarbb}}
\DeclareOptionX{upint}{\noto@MO{upint}}
\DeclareOptionX{noamssymbols}{\noto@MO{noamssymbols}}
\DeclareOptionX{slantedGreek}{\noto@MO{slantedGreek}}
\DeclareOptionX{frenchmath}{\noto@MO{frenchmath}}
\DeclareOptionX{nosymbolsc}{\noto@MO{nosymbolsc}}
\DeclareOptionX{subscriptcorrection}{\noto@MO{subscriptcorrection}}
\DeclareOptionX{timesmathacc}{\noto@MO{timesmathacc}}
\DeclareOptionX{uprightscript}{\noto@MO{uprightscript}}
\DeclareOptionX{smallerops}{\noto@MO{smallerops}}
\DeclareOptionX{useBImacros}{\noto@MO{useBImacros}}
\DeclareOptionX{noOT1}{\noto@MO{noOT1}}

\ProcessOptionsX\relax

\ifnoto@sfdefault{\noto@MO{notosans}\else\noto@MO{noto}\fi
%\edef\noto@mopt{scale=\NotoMath@scale,\noto@mopt}
\newdimen\notomath@dima
% use the scale for math to set noto text scale factors
\notomath@dima=\NotoMath@scale\p@
\notomath@dima=.9\notomath@dima
\edef\NotoText@scale{\strip@pt\notomath@dima}

\noto@TO{scale=\NotoText@scale}
\noto@TTO{scale=\NotoText@scale}
\noto@MO{scale=\NotoMath@scale}

\ifnotomath@mono\usepackage{noto-mono}\fi
\usepackage{noto-serif}
\ifnoto@sfdefault\noto@TO{sfdefault}\fi
\usepackage{noto-sans}
\usepackage{newtxmath}
\def\seriesdefault{\mdseries@rm}
\def\mdseries@rm{m}
\def\bfseries@rm{b}

\endinput