beamercolorthemejku.sty

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%% 
%% LaTeX Beamer Color Palette for Johannes Kepler University Linz
%% 
%% Copyright (C) 2021-2024  Michael Roland
%% 
%% This is a rewrite of the JKU theme originally by
%% Susanne Hametner, Doris Pargfrieder, and Pieter-Jan Hoedt.
%% 
%% This Source Code Form is subject to the terms of the Mozilla Public
%% License, v. 2.0. If a copy of the MPL was not distributed with this
%% file, You can obtain one at https://mozilla.org/MPL/2.0/.
%% 
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\NeedsTeXFormat{LaTeX2e}[1995/12/01]

\ProvidesPackage{beamercolorthemejku}[2023/07/11 v3.0+git JKU Linz Beamer Theme (color theme)]


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%% 
%% Dependencies
%% 

\RequirePackage{etoolbox}
\RequirePackage{xkeyval}
\RequirePackage{graphicx}
\RequirePackage{xcolor}

%% 
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%% 
%% Options & Parameters
%% 

% Option darkmode: use dark color mode by default
\newbool{jkubeamer@darkmode}
\DeclareOptionBeamer{darkmode}[true]{\setbool{jkubeamer@darkmode}{#1}}

% Option mac: use adapted color palette for screen display on Mac
\newbool{jkubeamer@maccolors}
\DeclareOptionBeamer{mac}[true]{\setbool{jkubeamer@maccolors}{#1}}

% DEPRECATED options: these options no longer have any effect
\DeclareOptionBeamer{greyText}{%
    \PackageWarning{beamercolorthemejku}{Option `greyText' deprecated, option has no effect!}%
}

\ProcessOptionsBeamer

%% 
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%% 
%% JKU base colors
%% 
\ifbool{jkubeamer@maccolors}{%
    %TODO: Where do those color values come from? Are they still correct?
    
    %BLUE
    \definecolor{jkuBlue}{RGB}{0,120,170}
    %CYAN
    \definecolor{jkuCyan}{RGB}{100,180,190}
    \colorlet{jkuLightBlue}{jkuCyan}
    %YELLOW
    \definecolor{jkuYellow}{RGB}{230,195,35}
    %GREY
    \definecolor{jkuGrey}{RGB}{125,130,140}
    \colorlet{jkuGray}{jkuGrey}
    %DARKGREY
    \definecolor{jkuDarkGrey}{RGB}{51,51,51}
    \colorlet{jkuDarkGray}{jkuDarkGrey}
    %LIGHTGREEN
    \definecolor{jkuLightGreen}{RGB}{195,215,75}
    %GREEN
    \definecolor{jkuGreen}{RGB}{115,180,85}
    %PURPLE
    \definecolor{jkuPurple}{RGB}{145,75,130}
    %RED
    \definecolor{jkuRed}{RGB}{205,90,80}
}{%
    %BLUE
    \definecolor{jkuBlue}{RGB}{4,110,152}
    %CYAN
    \definecolor{jkuCyan}{RGB}{92,207,203}
    \colorlet{jkuLightBlue}{jkuCyan}
    %YELLOW
    \definecolor{jkuYellow}{RGB}{251,186,0}
    %GREY
    \definecolor{jkuGrey}{RGB}{128,130,136}
    \colorlet{jkuGray}{jkuGrey}
    %DARKGREY
    \definecolor{jkuDarkGrey}{RGB}{90,90,90}
    \colorlet{jkuDarkGray}{jkuDarkGrey}
    %LIGHTGREEN
    \definecolor{jkuLightGreen}{RGB}{187,208,50}
    %GREEN
    \definecolor{jkuGreen}{RGB}{76,172,78}
    %PURPLE
    \definecolor{jkuPurple}{RGB}{156,71,123}
    %RED
    \definecolor{jkuRed}{RGB}{231,55,41}
}
%% 
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%% 
%% JKU base colors commands
%% 

\newcommand{\crBlue}{\color{jkuBlue}}
\newcommand{\cBlue}[1]{{\crBlue{#1}}}
\newcommand{\cjkuBlue}[1]{{\crBlue{#1}}}

\newcommand{\crCyan}{\color{jkuCyan}}
\newcommand{\cCyan}[1]{{\crCyan{#1}}}
\newcommand{\cjkuCyan}[1]{{\crCyan{#1}}}
\newcommand{\crLightBlue}{\crCyan}
\newcommand{\cLightBlue}[1]{{\crCyan{#1}}}
\newcommand{\cjkuLightBlue}[1]{{\crCyan{#1}}}

\newcommand{\crYellow}{\color{jkuYellow}}
\newcommand{\cYellow}[1]{{\crYellow{#1}}}
\newcommand{\cjkuYellow}[1]{{\crYellow{#1}}}

\newcommand{\crGrey}{\color{jkuGrey}}
\newcommand{\cGrey}[1]{{\crGrey{#1}}}
\newcommand{\cjkuGrey}[1]{{\crGrey{#1}}}
\newcommand{\crGray}{\crGrey}
\newcommand{\cGray}[1]{{\crGrey{#1}}}
\newcommand{\cjkuGray}[1]{{\crGrey{#1}}}

\newcommand{\crDarkGrey}{\color{jkuDarkGrey}}
\newcommand{\cDarkGrey}[1]{{\crDarkGrey{#1}}}
\newcommand{\cjkuDarkGrey}[1]{{\crDarkGrey{#1}}}
\newcommand{\crDarkGray}{\crDarkGrey}
\newcommand{\cDarkGray}[1]{{\crDarkGrey{#1}}}
\newcommand{\cjkuDarkGray}[1]{{\crDarkGrey{#1}}}

\newcommand{\crLightGreen}{\color{jkuLightGreen}}
\newcommand{\cLightGreen}[1]{{\crLightGreen{#1}}}
\newcommand{\cjkuLightGreen}[1]{{\crLightGreen{#1}}}

\newcommand{\crGreen}{\color{jkuGreen}}
\newcommand{\cGreen}[1]{{\crGreen{#1}}}
\newcommand{\cjkuGreen}[1]{{\crGreen{#1}}}

\newcommand{\crPurple}{\color{jkuPurple}}
\newcommand{\cPurple}[1]{{\crPurple{#1}}}
\newcommand{\cjkuPurple}[1]{{\crPurple{#1}}}

\newcommand{\crRed}{\color{jkuRed}}
\newcommand{\cRed}[1]{{\crRed{#1}}}
\newcommand{\cjkuRed}[1]{{\crRed{#1}}}

%% 
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%% 
%% Color palettes
%% 
\setbeamercolor*{palette primary}{bg=white,fg=black}
\setbeamercolor*{palette jku}{bg=white,fg=jkuGrey}
\setbeamercolor*{palette med}{bg=white,fg=jkuYellow}
\setbeamercolor*{palette re}{bg=white,fg=jkuRed}
\setbeamercolor*{palette sowi}{bg=white,fg=jkuGreen}
\setbeamercolor*{palette tnf}{bg=white,fg=jkuBlue}
\setbeamercolor*{palette lit}{parent=palette tnf}
\setbeamercolor*{palette soe}{bg=white,fg=jkuPurple}
\setbeamercolor*{palette bus}{bg=white,fg=jkuLightGreen}
\setbeamercolor*{palette secondary}{parent=palette jku}
\setbeamercolor*{palette tertiary}{bg=white,fg=jkuGrey}
\setbeamercolor*{palette jku highlight}{bg=jkuDarkGrey,fg=jkuPurple}
\setbeamercolor*{palette med highlight}{bg=jkuDarkGrey,fg=jkuGreen}
\setbeamercolor*{palette re highlight}{bg=jkuDarkGrey,fg=jkuBlue}
\setbeamercolor*{palette sowi highlight}{bg=jkuDarkGrey,fg=jkuPurple}
\setbeamercolor*{palette tnf highlight}{bg=jkuDarkGrey,fg=jkuPurple}
\setbeamercolor*{palette lit highlight}{parent=palette tnf highlight}
\setbeamercolor*{palette soe highlight}{bg=jkuDarkGrey,fg=jkuYellow}
\setbeamercolor*{palette bus highlight}{bg=jkuDarkGrey,fg=jkuPurple}
\setbeamercolor*{palette quaternary}{parent=palette jku highlight}

%% 
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%% 
%% Normal style
%% 
\setbeamercolor*{normal text}{parent=palette primary}
\setbeamercolor*{structure}{fg=}
\setbeamercolor*{alerted text}{fg=jkuRed}
\setbeamercolor*{example text}{fg=jkuGreen}
\setbeamercolor*{emphasized text}{fg=}
%% 
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%% 
%% Title frames
%% 
\setbeamercolor*{title}{parent=normal text}
\setbeamercolor*{series title}{parent=title}
\setbeamercolor*{subtitle}{parent=normal text}
\setbeamercolor*{subsubtitle}{parent=subtitle}

\setbeamercolor*{author}{parent=subtitle}
\setbeamercolor*{institute}{parent=subsubtitle}
\setbeamercolor*{date}{parent=subsubtitle}
\setbeamercolor*{agenda}{parent=subtitle}
\setbeamercolor*{agenda title}{parent=agenda}

\setbeamercolor*{imprint}{parent=normal text}
\setbeamercolor*{imprint name}{parent=imprint}
\setbeamercolor*{imprint address}{parent=imprint}
\setbeamercolor*{imprint url}{parent=imprint}

\setbeamercolor*{section title}{parent=title}
\setbeamercolor*{subsection title}{parent=subtitle}
\setbeamercolor*{subsubsection title}{parent=subsubtitle}
%% 
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%% 
%% Frame title/footer
%% 
\setbeamercolor*{frametitle}{parent=normal text}
\setbeamercolor*{framesubtitle}{parent=frametitle}
\setbeamercolor*{footline}{bg=white,fg=black}
\setbeamercolor*{section in head/foot}{parent=footline}
\setbeamercolor*{page number in head/foot}{parent=section in head/foot}
\setbeamercolor*{date in head/foot}{parent=section in head/foot}
\setbeamercolor*{footnote}{parent=normal text}
\setbeamercolor*{footnote mark}{parent=normal text}
%% 
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%% 
%% Contact frames
%% 
\setbeamercolor*{contacttitle}{parent=title}
\setbeamercolor*{contactsubtitle}{parent=contacttitle}
\setbeamercolor*{contactinfo}{parent=normal text}
\setbeamercolor*{contactinfo icon}{parent=contactinfo}
\setbeamercolor*{acknowledgement}{parent=normal text}
%% 
%% 
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%% 
%% Itemization and enumeration
%% 
\setbeamercolor*{item}{parent=normal text}
\setbeamercolor*{subitem}{parent=item}
\setbeamercolor*{subsubitem}{parent=subitem}
\setbeamercolor*{itemize item}{parent=item}
\setbeamercolor*{itemize subitem}{parent=subitem}
\setbeamercolor*{itemize subsubitem}{parent=subsubitem}
\setbeamercolor*{enumerate item}{parent=item}
\setbeamercolor*{enumerate subitem}{parent=subitem}
\setbeamercolor*{enumerate subsubitem}{parent=subsubitem}
\setbeamercolor*{description item}{parent=item}
%% 
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%% 
%% Table of contents
%% 
\setbeamercolor*{section in toc}{parent=structure}
\setbeamercolor*{subsection in toc}{parent=section in toc}
\setbeamercolor*{subsubsection in toc}{parent=subsection in toc}
%% 
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%% 
%% Bibliography
%% 
\setbeamercolor*{bibliography item}{parent=normal text}
\setbeamercolor*{bibliography entry author}{parent=normal text}
\setbeamercolor*{bibliography entry title}{parent=normal text}
\setbeamercolor*{bibliography entry location}{parent=normal text}
\setbeamercolor*{bibliography entry note}{parent=normal text}
%% 
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%% 
%% Captions
%% 
\setbeamercolor*{caption}{parent=normal text}
\setbeamercolor*{caption name}{parent=caption}
%% 
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%% 
%% Blocks
%% 
\setbeamercolor*{block title}{bg=jkuDarkGrey,fg=white}
\setbeamercolor*{block body}{use=block title,bg=block title.bg!20,fg=black}
\setbeamercolor*{block title example}{bg=jkuGreen,fg=white}
\setbeamercolor*{block body example}{use=block title example,bg=block title example.bg!20,fg=black}
\setbeamercolor*{block title alerted}{bg=jkuPurple,fg=white}
\setbeamercolor*{block body alerted}{use=block title alerted,bg=block title alerted.bg!20,fg=black}
%% 
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%% 
%% Color mode switching commands
%% 

% color palette switches
\xdef\jkubeamer@currentfaculty{\jkubeamer@faculty}
\define@key{jkubeamer@kv@colorpalette}{jku}[]{%
    \setbeamercolor*{palette secondary}{parent=palette jku}%
    \setbeamercolor*{palette quaternary}{parent=palette jku highlight}%
    \renewcommand{\jkubeamer@currentfaculty}{jku}%
}
\define@key{jkubeamer@kv@colorpalette}{bus}[]{%
    \setbeamercolor*{palette secondary}{parent=palette bus}%
    \setbeamercolor*{palette quaternary}{parent=palette bus highlight}%
    \renewcommand{\jkubeamer@currentfaculty}{bus}%
}
\define@key{jkubeamer@kv@colorpalette}{lit}[]{%
    \setbeamercolor*{palette secondary}{parent=palette lit}%
    \setbeamercolor*{palette quaternary}{parent=palette lit highlight}%
    \renewcommand{\jkubeamer@currentfaculty}{lit}%
}
\define@key{jkubeamer@kv@colorpalette}{med}[]{%
    \setbeamercolor*{palette secondary}{parent=palette med}%
    \setbeamercolor*{palette quaternary}{parent=palette med highlight}%
    \renewcommand{\jkubeamer@currentfaculty}{med}%
}
\define@key{jkubeamer@kv@colorpalette}{re}[]{%
    \setbeamercolor*{palette secondary}{parent=palette re}%
    \setbeamercolor*{palette quaternary}{parent=palette re highlight}%
    \renewcommand{\jkubeamer@currentfaculty}{re}%
}
\define@key{jkubeamer@kv@colorpalette}{soe}[]{%
    \setbeamercolor*{palette secondary}{parent=palette soe}%
    \setbeamercolor*{palette quaternary}{parent=palette soe highlight}%
    \renewcommand{\jkubeamer@currentfaculty}{soe}%
}
\define@key{jkubeamer@kv@colorpalette}{sowi}[]{%
    \setbeamercolor*{palette secondary}{parent=palette sowi}%
    \setbeamercolor*{palette quaternary}{parent=palette sowi highlight}%
    \renewcommand{\jkubeamer@currentfaculty}{sowi}%
}
\define@key{jkubeamer@kv@colorpalette}{tnf}[]{%
    \setbeamercolor*{palette secondary}{parent=palette tnf}%
    \setbeamercolor*{palette quaternary}{parent=palette tnf highlight}%
    \renewcommand{\jkubeamer@currentfaculty}{tnf}%
}

% frame color mode switches
\newcommand{\jkubeamer@currentcolormode}{default}
\define@key{jkubeamer@kv@framecolormode}{light}[]{%
    \setbeamercolor*{background canvas}{parent=palette secondary}%
    \setbeamercolor*{normal text}{parent=palette primary}%
    \renewcommand{\jkubeamer@currentcolormode}{light}%
}
\define@key{jkubeamer@kv@framecolormode}{dark}[]{%
    \setbeamercolor*{background canvas}{use=palette secondary,bg=palette secondary.fg,fg=palette secondary.bg}%
    \setbeamercolor*{normal text}{use=palette primary,bg=palette primary.fg,fg=palette primary.bg}%
    \renewcommand{\jkubeamer@currentcolormode}{dark}%
}
\define@key{jkubeamer@kv@framecolormode}{black}[]{%
    \setbeamercolor*{background canvas}{use=palette primary,bg=palette primary.fg,fg=palette primary.bg}%
    \setbeamercolor*{normal text}{use=palette primary,bg=palette primary.fg,fg=palette primary.bg}%
    \renewcommand{\jkubeamer@currentcolormode}{black}%
}
\define@key{jkubeamer@kv@framecolormode}{grey}[]{%
    \setbeamercolor*{background canvas}{use=palette tertiary,bg=palette tertiary.fg,fg=palette tertiary.bg}%
    \setbeamercolor*{normal text}{use=palette tertiary,bg=palette tertiary.fg,fg=palette tertiary.bg}%
    \renewcommand{\jkubeamer@currentcolormode}{grey}%
}
\define@key{jkubeamer@kv@framecolormode}{gray}[]{\KV@jkubeamer@kv@framecolormode@grey{#1}}
\define@key{jkubeamer@kv@framecolormode}{default}[]{%
    \ifbool{jkubeamer@darkmode}{%
        \KV@jkubeamer@kv@framecolormode@dark{#1}%
    }{%
        \KV@jkubeamer@kv@framecolormode@light{#1}%
    }%
    \renewcommand{\jkubeamer@currentcolormode}{default}%
}

% Command \framecolormode{light | dark | gray | black, FACULTY}: changes the current frame color mode (if color mode is absent, use the current theme color mode)
\newcommand{\framecolormode}[1]{%
    % convert param to lowercase
    \begingroup\edef\@temp{\lowercase{\endgroup\def\noexpand\@temp@lcparam{#1}}}\@temp%
    % preset default color palette
    \setkeys{jkubeamer@kv@colorpalette}{\jkubeamer@currentfaculty}%
    % update color palette according to params
    \begingroup\edef\@temp{\endgroup\noexpand\setkeys*{jkubeamer@kv@colorpalette}{\@temp@lcparam}}\@temp%
    % update frame color mode according to params (presetting default frame color mode)
    \begingroup\edef\@temp{\endgroup\noexpand\setkeys{jkubeamer@kv@framecolormode}{\jkubeamer@currentcolormode,\XKV@rm}}\@temp%
}

% Command \setcolormode[light | dark | gray | black, FACULTY]: changes the theme color mode (if color mode is absent, reset to the global default color mode)
\newcommand{\setcolormode}[1][]{%
    % convert param to lowercase
    \begingroup\edef\@temp{\lowercase{\endgroup\def\noexpand\@temp@lcparam{#1}}}\@temp%
    % preset default color palette
    \setkeys{jkubeamer@kv@colorpalette}{\jkubeamer@faculty}%
    % update color palette according to params
    \begingroup\edef\@temp{\endgroup\noexpand\setkeys*{jkubeamer@kv@colorpalette}{\@temp@lcparam}}\@temp%
    % update frame color mode according to params (presetting default frame color mode)
    \begingroup\edef\@temp{\endgroup\noexpand\setkeys{jkubeamer@kv@framecolormode}{default,\XKV@rm}}\@temp%
    \setbeamercolor*{background canvas}{parent=palette secondary}%
    \setbeamercolor*{normal text}{parent=palette primary}%
}

\setcolormode%

%% 
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