unisa.sty

% Custom Beamer Style File
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{mystyle}[2024/12/11 Custom Beamer Style]

% Required packages
\RequirePackage{tikz}
\usetikzlibrary{positioning}
\RequirePackage{xcolor}
\RequirePackage{graphicx}
\usepackage{adjustbox}

% Color definitions
\definecolor{progressblue}{HTML}{00008B}  % Dark Blue
\definecolor{progressgrey}{HTML}{D3D3D3} % Light Grey
\definecolor{footerorange}{HTML}{FFA500} % Orange

% Command for footer text
\newcommand{\footertext}[1]{%
    \gdef\customfoottext{\vspace*{-0.4cm}#1}%
}
\footertext{} % Default empty footer text

% Full-page image title slide with dark orange background
\newcommand{\titlebackground}[1]{%
    {
        \setbeamertemplate{background canvas}{%
            \begin{tikzpicture}[remember picture,overlay]
                % Set dark orange background color for the first slide
                \fill[progressblue] (current page.south west) rectangle (current page.north east);
                \node[anchor=center, opacity=0.9] at (current page.center) {\includegraphics[height=\paperheight]{#1}};
                \node[anchor=north east, xshift=-10pt, yshift=-10pt] at (current page.north east) {\includegraphics[width=150px]{unisa.png}};
            \end{tikzpicture}
        }%
        \begin{frame}[plain]
            \begin{tikzpicture}[remember picture, overlay]
                % Rectangle positioned at x=0, y=50% of the page height
                \path (current page.south west) ++(0, 0.5\paperheight) coordinate (top-left);
                \path (top-left) ++(\paperwidth, -0.25\paperheight) coordinate (bottom-right);
        
                % Draw rectangle using calculated coordinates with dark orange fill
                \fill[footerorange, opacity=0.7] (top-left) rectangle (bottom-right);
                %\draw[thick] (top-left) rectangle (bottom-right);
        
                % Add minipage inside the rectangle, auto-sized using adjustbox
                \node[anchor=north west, text width=\paperwidth, inner sep=1em] at (top-left) {
                    \adjustbox{valign=m,minipage=\paperwidth}{%
                        \centering
                        \textbf{\Huge \color{white} \usebeamerfont{title}\inserttitle\\[0.5em]}
                        \usebeamerfont{author}\insertauthor\\[0.5em]
                        \usebeamerfont{date}\insertdate\\
                    }
                };
            \end{tikzpicture}


        \end{frame}
        \setbeamertemplate{background canvas}[default] % Reset template
    }
}

% Section title page with subtle blue tint
\newcommand{\makesection}[1]{%
    \begin{frame}[plain]
        \begin{tikzpicture}[remember picture,overlay]
            \fill[footerorange,opacity=0.9] (current page.south west) rectangle (current page.north east);
        \end{tikzpicture}
        \begin{center}
            \usebeamerfont{frametitle}
            \Large\textbf{#1}
        \end{center}
    \end{frame}
}

% Add footer and progress bar to footline
\makeatletter
\setbeamertemplate{footline}{%
    % Orange footer box (adjust width to \paperwidth)
    \begin{beamercolorbox}[wd=\paperwidth,ht=0.7cm,dp=0.3cm,leftskip=0.3cm,rightskip=0.3cm]{footerorange} % Ensure footer spans entire width
        % Text on the left side
        \begin{minipage}[t]{0.8\paperwidth} % Adjust width for text (leaving space for image)
            \raggedright
            \usebeamerfont{footline}\customfoottext
        \end{minipage}%
        % Image on the right side
        \begin{minipage}[c]{0.15\paperwidth} % Adjust width for the image
            \raggedleft
            \raisebox{-0.25cm}[0cm][0cm]{\insertframenumber{} of \inserttotalframenumber\includegraphics[height=0.85cm]{unisa_color.png}} % Fine-tune vertical position of the image
        \end{minipage}
    \end{beamercolorbox}%
    % Progress bar using TikZ
    \begin{tikzpicture}[remember picture,overlay]
        \fill[progressgrey] (0,0) rectangle (\paperwidth,0.05cm); % Grey background
        \fill[progressblue] (0,0) rectangle ({\paperwidth * \insertframenumber / \inserttotalframenumber},0.05cm); % Blue progress
    \end{tikzpicture}%
}
\makeatother


% Color theme
\setbeamercolor{background canvas}{bg=white}
\setbeamercolor{footerorange}{fg=black,bg=footerorange}
\setbeamercolor{progressblue}{bg=progressblue}
\setbeamercolor{progressgrey}{bg=progressgrey}
\setbeamercolor*{normal text}{fg=black}
\setbeamercolor*{alerted text}{fg=red}
\setbeamercolor*{example text}{fg=green!50!black}

\mode<presentation>

\endinput