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%%
%% This is file `sctkzsym-base.sty', part of scsnowman package.
%% Maintained on GitHub:
%% https://github.com/aminophen/scsnowman
%%
%% Copyright (c) 2015-2023 Hironobu Yamashita
%% Email : h.y.acetaminophen[a t]gmail.com
%% GitHub : https://github.com/aminophen
%% Blog : http://acetaminophen.hatenablog.com/
%% Twitter : @aminophen
%%
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{sctkzsym-base}
[2023/02/23 v1.3c Base for emoji variants using TikZ]
\RequirePackage{tikz}% pgfutil-latex.def requires everyshi
\RequirePackage{keyval}
%
\ifx\pfmtversion\@undefined\else
\ifx\@EveryShipout@Output\@undefined
% LaTeX2e 2020-10-01: an emulation by ``everyshi-ltx.sty''
% => pLaTeX2e 2020-10-01 natively supports it
\else
% older: the real ``everyshi.sty'' is loaded
\IfFileExists{pxeveryshi.sty}{\RequirePackage{pxeveryshi}}{}
\fi
\fi
%
% prepare for options
\newif\ifsctkzsym@document
\newif\ifsctkzsym@qed
\newif\ifsctkzsym@item
%
% options
\DeclareOption{documentX}{\sctkzsym@documenttrue}
\DeclareOption{nodocumentX}{\sctkzsym@documentfalse}
\DeclareOption{qedX}{\sctkzsym@qedtrue}
\DeclareOption{noqedX}{\sctkzsym@qedfalse}
\DeclareOption{itemX}{\sctkzsym@itemtrue}
\DeclareOption{noitemX}{\sctkzsym@itemfalse}
\ExecuteOptions{documentX,qedX,itemX}
\ProcessOptions\relax
%
% save QED symbol before change (joke)
\ifsctkzsym@qed
\def\sctkzsym@saving@qedsymbol{%
\ifx\qedsymbol\@undefined\else
\let\sctkzsym@saved@qedsymbol\qedsymbol
\fi
}
% if `amsthm' is already loaded, save it now
\sctkzsym@saving@qedsymbol
% otherwise, saving is delayed till \begin{document}
% (hope \makeqed... is not already executed...)
\ifx\sctkzsym@saved@qedsymbol\@undefined
\AtBeginDocument{\sctkzsym@saving@qedsymbol}
\fi
\newcommand{\makeqedother}{%
\let\qedsymbol\sctkzsym@saved@qedsymbol
}
\fi
%
% save item label before change (joke)
\ifsctkzsym@item
\let\sctkzsym@saved@labelitemi\labelitemi
\let\sctkzsym@saved@labelitemii\labelitemii
\let\sctkzsym@saved@labelitemiii\labelitemiii
\let\sctkzsym@saved@labelitemiv\labelitemiv
\newcommand{\makeitemother}{%
\let\labelitemi\sctkzsym@saved@labelitemi
\let\labelitemii\sctkzsym@saved@labelitemii
\let\labelitemiii\sctkzsym@saved@labelitemiii
\let\labelitemiv\sctkzsym@saved@labelitemiv
}
\fi
%
% key definitions
% * any value; if none, 'true' is assumed
\newcommand{\sctkzsym@define@key@withbool}[2]{%
\define@key{sctkzsym@#1}{#2}[true]{\expandafter\def\csname sctkzsym@#1@#2\endcsname{##1}}%
\expandafter\newif\csname ifsctkzsym@#1@#2\endcsname
}
% * any value; if none, an error will be raised
\newcommand{\sctkzsym@define@key@wodefault}[2]{%
\define@key{sctkzsym@#1}{#2}{\expandafter\def\csname sctkzsym@#1@#2\endcsname{##1}}%
}
% * one from arg #3; arg #3 should be comma-separated list of candidates
\newcommand{\sctkzsym@define@key@withword}[3]{%
\define@key{sctkzsym@#1}{#2}{\expandafter\def\csname sctkzsym@#1@#2\endcsname{##1}}%
% register known values (used in key handling)
\sctkzsym@hndlcnt\z@
\edef\@tempa{\zap@space#3 \@empty}%
\@for\@tempa:=\@tempa\do{%
\advance\sctkzsym@hndlcnt\@ne
\expandafter\let\csname sctkzsym@#1@#2@\romannumeral\sctkzsym@hndlcnt\endcsname\@tempa}%
}
% other known values (used in key handling)
\def\sctkzsym@true{true} % for bool strcmp
\def\sctkzsym@false{false} % for bool strcmp
%
% key handling
\newcount\sctkzsym@hndlcnt % for withword loop
\let\sctkzsym@status\relax % for withword status
\newcommand{\sctkzsym@hndl@key@withbool}[2]{%
\expandafter\ifx\csname sctkzsym@#1@#2\endcsname\sctkzsym@false\relax
\csname sctkzsym@#1@#2false\endcsname % <key>=false
\else
\csname sctkzsym@#1@#2true\endcsname % <key>=true/<color>
\expandafter\ifx\csname sctkzsym@#1@#2\endcsname\sctkzsym@true\relax
% <key>=true; <default-color>
\expandafter\def\csname sctkzsym@#1@#2\endcsname{\sctkzsym@defaultcolor}%
\fi
\fi
}
\newcommand{\sctkzsym@hndl@key@onlybool}[2]{%
\expandafter\ifx\csname sctkzsym@#1@#2\endcsname\sctkzsym@false\relax
\csname sctkzsym@#1@#2false\endcsname % <key>=false
\else
\expandafter\ifx\csname sctkzsym@#1@#2\endcsname\sctkzsym@true\relax
\csname sctkzsym@#1@#2true\endcsname % <key>=true
\else
\PackageError{sc#1}{Only true/false allowed for key `#2'}\@ehc
\csname sctkzsym@#1@#2false\endcsname % <key>=false
\fi
\fi
}
\newcommand{\sctkzsym@hndl@key@withword}[2]{{%
% initialize
\@tempcnta\@ne
\let\sctkzsym@status\relax
% check through the registered candidate values
\loop\expandafter\ifx\csname sctkzsym@#1@#2@\romannumeral\@tempcnta\endcsname\relax\else
\ifx\sctkzsym@status\relax
\expandafter\ifx\csname sctkzsym@#1@#2\expandafter\endcsname
\csname sctkzsym@#1@#2@\romannumeral\@tempcnta\endcsname\relax
\def\sctkzsym@status{0}%
\fi
\fi
\advance\@tempcnta\@ne
\repeat
% if the status is still not zero, user-specified value is invalid; throw an error
\ifx\sctkzsym@status\relax
\PackageError{sc#1}{Unsupported value `\csname sctkzsym@#1@#2\endcsname' for #2}\@ehc
\fi
}}
%
% setup for tikzpicture
\newlength{\sctkzsym@coord@baseline}
\newlength{\sctkzsym@coord@scl}
\newcommand*{\set@sctkzsym@coord@scl}[1]{\pgfmathsetlength{\sctkzsym@coord@scl}{#1\p@}}
\newcommand{\sctkzsym@beginyokobox}{\ifx\tate\@undefined\else\leavevmode\hbox\bgroup\yoko\fi}
\newcommand{\sctkzsym@endyokobox}{\ifx\tate\@undefined\else\egroup\fi}
\newcommand{\sctkzsym@defaultcolor}{}
\newcommand{\sctkzsym@defaultanticolor}{white}
%
\endinput
%%
%% End of file `sctkzsym-base.sty'.
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