%%
%% This is file `adjcalc.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% adjustbox.dtx  (with options: `adjcalc')
%% 
%% Copyright (C) 2011 by Martin Scharrer <martin@scharrer-online.de>
%% 
%% This work may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%% The latest version of this license is in
%% 
%%    http://www.latex-project.org/lppl.txt
%% 
%% and version 1.3c or later is part of all distributions of LaTeX
%% version 2008/05/04 or later.
%% 
%% This work has the LPPL maintenance status `maintained'.
%% 
%% The Current Maintainer of this work is Martin Scharrer.
%% 
%% This work consists of the files adjustbox.dtx and adjustbox.ins
%% and the derived files adjustbox.sty, adjcalc.sty, adjpgf.def and
%% adjgrfx.sty.
%% 
\begingroup
\def\@tempa{adjcalc}
\expandafter
\endgroup
\ifx\@tempa\@currname
    \ProvidesPackage{adjcalc}[2011/08/07 v1.0 Provides advanced setlength with multiple back-ends (calc, etex, pgfmath)]
    \RequirePackage{xkeyval}
\fi
\AtEndOfPackage{\adjcalc@atend}
\def\adjcalc@atend{%
\begingroup
\expandafter\ifx\csname eTeXversion\endcsname\relax
    \endgroup
    \RequirePackage{calc}%
    \adjcalc@calc
    \def\adjcalc@etex{\PackageError{adjcalc}{e-TeX not available for current compiler!}}%
\else
    \endgroup
    \adjcalc@etex
\fi
}
\def\adjcalc@pgfmath{\AtEndOfPackage{\RequirePackage{pgf}}\def\adjcalc@atend{\adjcalc@pgfmath}}
\def\adjcalc@etex{\def\adjcalc@atend{\adjcalc@etex}}
\def\adjcalc@calc{\AtEndOfPackage{\RequirePackage{calc}}\def\adjcalc@atend{\adjcalc@calc}}
\def\adjcalc@overwrite{\AtEndOfPackage{\adjcalc@overwrite}}
\DeclareOptionX<adjbox>{pgfmath}{\adjcalc@pgfmath}
\DeclareOptionX<adjbox>{etex}{\adjcalc@etex}
\DeclareOptionX<adjbox>{calc}{\adjcalc@calc}
\DeclareOptionX<adjbox>{none}{\let\adjcalc@atend\relax\def\adjsetlength{\setlength}\let\adjcalc@overwrite\relax}
\DeclareOptionX<adjbox>{overwrite}{\adjcalc@overwrite}
\ProcessOptionsX*<adjbox>
\disable@keys{adjbox}{none}
\def\adjcalc@etex{%
    \protected\def\adjsetlength##1##2{%
        ##1=\glueexpr(##2)\relax
    }%
    \protected\def\adjaddtolength##1##2{%
        \advance##1 by \glueexpr(##2)\relax
    }%
    \protected\def\adjsetcounter##1##2{%
        \@ifundefined{c@##1}%
            {\@nocounterr{##1}}%
            {\global\csname c@##1\endcsname\numexpr(##2)\relax}%
    }%
    \protected\def\adjaddtocounter##1##2{%
        \@ifundefined{c@##1}%
            {\@nocounterr{##1}}%
            {\global\advance\csname c@##1\endcsname\numexpr(##2)\relax}%
    }%
    \def\adjbox@default##1##2{%
        \@defaultunits##1=\glueexpr##2 \adjbox@defaultunit\relax\@nnil
    }%
}
\def\adjcalc@calc{%
    \DeclareRobustCommand\adjsetlength{\calc@assign@skip}%
    \DeclareRobustCommand\adjaddtolength[1]{\calc@assign@skip{\advance ##1}}%
    \DeclareRobustCommand\adjsetcounter[2]{\@ifundefined{c@##1}{\@nocounterr{##1}}{\calc@assign@count{\global\csname c@##1\endcsname}{##2}}}%
    \DeclareRobustCommand\adjaddtocounter[2]{\@ifundefined{c@##1}{\@nocounterr{##1}}{\calc@assign@count{\global\advance\csname c@##1\endcsname}{##2}}}%
    \def\adjbox@checkdefault##1\@nnil##2##3{%
        \ifx\relax##1\relax\else
            \calc@assign@skip{##2}{##3}%
        \fi
    }%
}
\def\adjcalc@pgfmath{%
    \DeclareRobustCommand\adjsetlength{\pgfmathsetlength}%
    \DeclareRobustCommand\adjaddtolength{\pgfmathaddtolength}%
    \DeclareRobustCommand\adjsetcounter{\pgfmathsetcounter}%
    \DeclareRobustCommand\adjaddtocounter{\pgfmathaddtocounter}%
    \def\adjbox@default##1##2{%
        \edef\pgfmathresultunitscale{1\adjbox@defaultunit}%
        \let\pgfmathpostparse\pgfmathscaleresult
        \pgfmathparse{##2}%
        ##1=\pgfmathresult pt\relax
    }%
}
\def\adjcalc@overwrite{%
    \let\setlength\adjsetlength
    \let\addtolength\adjaddtolength
    \let\setcounter\adjsetcounter
    \let\addtocounter\adjaddtocounter
}
\endinput
%%
%% End of file `adjcalc.sty'.
