decorations.sty

%%%%%%%%%%%% LOGO COMMANDS %%%%%%%%%%%%%%%%%%
%
% Usage: \adddarkmodelogo[optional/path/to/special/titlepage/logo/for/dark/mode]{path/to/logo/for/dark/mode}
\NewDocumentCommand{\adddarkmodelogo}{O{#2} m}%
{%
    \iflatexpresents@dark%
        \addtitlelogo{#1}%
        \addfootlogo{#2}%
    \fi%
}%
% Usage: \addlightmodelogo[optional/path/to/special/titlepage/logo/for/light/mode]{path/to/logo/for/light/mode}
\NewDocumentCommand{\addlightmodelogo}{O{#2} m}%
{%
    \iflatexpresents@dark%
    \else
        \addtitlelogo{#1}%
        \addfootlogo{#2}%
    \fi%
}%
% Usage: \addlogo[optional/path/to/special/titlepage/logo]{path/to/logo}
\NewDocumentCommand{\addlogo}{O{#2} m}%
{%
    \addtitlelogo{#1}%
    \addfootlogo{#2}%
}%
\NewDocumentCommand{\savelogos}{}{\savetitlelogos{}\savefootlogos{}}%
\NewDocumentCommand{\resetlogos}{}{\resettitlelogos{}\resetfootlogos{}}%
\NewDocumentCommand{\clearlogos}{}{\cleartitlelogos{}\clearfootlogos{}}%

%%% TITLE LOGOS %%%
% https://tex.stackexchange.com/questions/451/when-to-use-edef-noexpand-and-expandafter
%
% Usage: \addtitlelogo{path/to/titlelogo}
\def\latexpresents@titlelogos{}%
\def\latexpresents@defaulttitlelogos{}%
\NewDocumentCommand{\addtitlelogo}{m}%
{%
    \edef\latexpresents@titlelogos%
    {%
        \ifx\latexpresents@titlelogos\empty%
        \else%
            \latexpresents@titlelogos%
            \hskip\latexpresents@titlelogo@sep%
        \fi%
        \includegraphics[height=\latexpresents@titlelogo@maxheight]{#1}%
    }%
}%
% Usage: \resettitlelogo{}
\NewDocumentCommand{\savetitlelogos}{}%
{%
    \edef\latexpresents@defaulttitlelogos{\latexpresents@titlelogos}%
}%
% Usage: \savetitlelogo{}
\NewDocumentCommand{\resettitlelogos}{}%
{%
    \edef\latexpresents@titlelogos{\latexpresents@defaulttitlelogos}%
}%
% Usage: \cleartitlelogo{}
\NewDocumentCommand{\cleartitlelogos}{}%
{%
    \def\latexpresents@titlelogos{}%
}%

%%% FOOT LOGOS %%%
%
% Usage: \addfootlogo{path/to/footerlogo}
\def\latexpresents@footlogos{}%
\def\latexpresents@defaultfootlogos{}%
\NewDocumentCommand{\addfootlogo}{m}%
{%
    \edef\latexpresents@footlogos%
    {%
        \ifx\latexpresents@footlogos\empty%
        \else%
            \latexpresents@footlogos%
            \hskip\latexpresents@footlogo@sep%
        \fi%
        \includegraphics[height=\latexpresents@footlogo@height]{#1}%
    }%
    \settowidth{\latexpresents@footlogo@width}{\latexpresents@footlogos}%
}%
% Usage: \savefootlogo{}
\NewDocumentCommand{\savefootlogos}{}%
{%
    \edef\latexpresents@defaultfootlogos{\latexpresents@footlogos}%
}%
% Usage: \resetfootlogo{}
\NewDocumentCommand{\resetfootlogos}{}%
{%
    \edef\latexpresents@footlogos{\latexpresents@defaultfootlogos}%
    \settowidth{\latexpresents@footlogo@width}{\latexpresents@footlogos}%
}%
% Usage: \clearfootlogo{}
\NewDocumentCommand{\clearfootlogos}{}%
{%
    \def\latexpresents@footlogos{}%
    \setlength{\latexpresents@footlogo@width}{0pt}%
}%
%%%%%%%%%%%% END LOGO COMMANDS %%%%%%%%%%%%%%%%%%



%%%%%%%%%%%% BIO PHOTO COMMANDS %%%%%%%%%%%%%%%%%%
%
% Usage: \addperson{path/to/bio}
\def\latexpresents@bios{}%
\NewDocumentCommand\addperson{m}%
{%
    \edef\latexpresents@bios%
    {%
        \includegraphics[height=\latexpresents@bio@height]{#1}%
        \ifx\latexpresents@bios\empty%
        \else%
            \hskip\latexpresents@bio@sep%
            \latexpresents@bios%
        \fi%
    }%
    \settowidth{\latexpresents@bio@width}{\latexpresents@bios}%
}%
% Usage: \clearpeople{}
\NewDocumentCommand{\clearpeople}{}%
{%
    \def\latexpresents@bios{}%
    \setlength{\latexpresents@bio@width}{0pt}%
}%
%%%%%%%%%%%% END BIO PHOTO COMMANDS %%%%%%%%%%%%%%%%%%



%%%%%%%%%%%% FRAME DECORATIONS %%%%%%%%%%%%
%%% Frame decorations with control of front/back relative to content%%%
%
% Usage: \setbackdecorations[debug]{}
%
\definecomplementarykeys{latexpresents}{setbackdecorations}{nodebug}{debug}%
%\define@boolkey[latexpresents]{setbackdecorations}{debug}[true]{}%
\NewDocumentCommand{\setbackdecorations}{O{}}%
{%
    \begingroup% Sets "scope" so settings/keys don't leak.
        \presetkeys[latexpresents]{setbackdecorations}{debug=false}{}%
        \setkeys[latexpresents]{setbackdecorations}{#1}%

        \iflatexpresents@setbackdecorations@debug%
            \TPoptions{showboxes = true}%
        \fi%

        % Footer logos
        \ifx\latexpresents@footlogos\@empty%
        \else%
            \begin{textblock*}{\latexpresents@footlogo@width}(\latexpresents@border@left, \paperheight - \latexpresents@border@bottom - \latexpresents@footlogo@height)%
                \iflatexpresents@setbackdecorations@debug%
                    \textblockcolour{GREEN!25!BACKGROUND}%
                \fi%

                \begin{minipage}[t][\latexpresents@footlogo@height]{\latexpresents@footlogo@width}%
                    \usebeamercolor{logo}%
                    \usebeamerfont{logo}%
                    \latexpresents@footlogos{}%
                \end{minipage}%
            \end{textblock*}%
        \fi%
    \endgroup%
}%
%
% Usage: setfrontdecorations[debug]{}
%
\definecomplementarykeys{latexpresents}{setfrontdecorations}{nodebug}{debug}%
%\define@boolkey[latexpresents]{setfrontdecorations}{debug}[true]{}%
\NewDocumentCommand{\setfrontdecorations}{O{}}%
{%
    \begingroup% Sets "scope" so settings/keys don't leak.
        \presetkeys[latexpresents]{setfrontdecorations}{debug=false}{}
        \setkeys[latexpresents]{setfrontdecorations}{#1}%

        \iflatexpresents@setfrontdecorations@debug%
            \TPoptions{showboxes = true}%
        \fi%

        % Frame title
        \begin{textblock*}{\latexpresents@slide@frametitle@width}(\latexpresents@border@left, \latexpresents@border@top)%
            \usebeamercolor{frametitle}%

            \iflatexpresents@setfrontdecorations@debug%
                \textblockcolour{RED!25!BACKGROUND}%
            \fi%

            \begin{minipage}[t][\latexpresents@slide@frametitle@height][t]{\latexpresents@slide@frametitle@width}%
                \setframetitle[\insertframetitle{}][\insertframesubtitle{}]%
            \end{minipage}%
        \end{textblock*}%

        %Bio block
        \ifx\latexpresents@bios\@empty%
        \else%
            \begin{textblock*}{\latexpresents@bio@width}(\paperwidth - \latexpresents@bio@width - \latexpresents@border@right, \latexpresents@border@top)%
                \iflatexpresents@setfrontdecorations@debug%
                    \textblockcolour{ORANGE!25!BACKGROUND}%
                \fi%

                \begin{minipage}[t][\latexpresents@bio@height][t]{\latexpresents@bio@width}%
                    \usebeamercolor{bio}%
                    \usebeamerfont{bio}%
                    \latexpresents@bios%
                \end{minipage}
            \end{textblock*}%
        \fi%

        % Slide number
        \begin{textblock*}{\latexpresents@slide@pgnum@width}(\paperwidth - \latexpresents@slide@pgnum@width - \latexpresents@border@right, \paperheight - \latexpresents@border@bottom - \latexpresents@slide@pgnum@height)%
            \iflatexpresents@setfrontdecorations@debug%
                \textblockcolour{YELLOW!25!BACKGROUND}%
            \fi%

            \begin{minipage}[t][\latexpresents@slide@pgnum@height][t]{\latexpresents@slide@pgnum@width}%
                \hfill\usebeamertemplate*{page number in head/foot}%
            \end{minipage}
        \end{textblock*}%
    \endgroup%
}%
%%%%%%%%%%%% END FRAME DECORATIONS %%%%%%%%%%%%