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authorNorbert Preining <norbert@preining.info>2021-03-27 03:00:52 +0000
committerNorbert Preining <norbert@preining.info>2021-03-27 03:00:52 +0000
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tree1cc8a329f0f21e6fbc54df5e0f287453e6810e5b /macros/latex/contrib/beamer-contrib/themes/beamertheme-trigon/source/beamerinnerthemetrigon.dtx
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+% \iffalse meta-comment -------------------------------------------------------
+% Copyright (C) 2021 Thomas Lambert <trigon@thl.ovh>
+% Other contributors to this theme are listed here:
+% https://gitlab.com/thlamb/beamertheme-trigon/-/graphs/master
+%
+% The original template was heavily inspired by Metropolis from Matthias
+% Vogelgesang.
+%
+% License CC-BY-SA 4.0
+% This work is licensed under a Creative Commons Attribution-ShareAlike 4.0
+% International License (https://creativecommons.org/licenses/by-sa/4.0/)
+% ------------------------------------------------------------------------- \fi
+% \iffalse
+%<*package>
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{beamerinnerthemetrigon}[2021/03/25 v0.5.0 Trigon inner theme]
+%</package>
+% \fi
+% \CheckSum{0}
+% \StopEventually{}
+% \iffalse
+%<*package>
+% ------------------------------------------------------------------------- \fi
+%
+% \subsection{\themename inner theme}
+%
+% A |beamer| inner theme dictates the style of the frame elements traditionally
+% set in the ``body'' of each slide. These include:
+%
+% \begin{itemize}
+% \item title, part, and section pages;
+% \item main background elements;
+% \item itemize, enumerate, and description environments;
+% \item block environments including theorems and proofs;
+% \item figures and tables; and
+% \item footnotes and plain text.
+% \end{itemize}
+%
+%
+% \subsubsection{Package dependencies}
+%
+% \begin{macrocode}
+\RequirePackage{pgfopts}
+\RequirePackage{tikz}
+\usetikzlibrary{calc,3d}
+% \end{macrocode}
+%
+%
+% \subsubsection{Definitions}
+% We define the command |\logobig| to specify the logo that needs to be applied
+% displayed on the title frame.
+% \begin{macrocode}
+\def\logbig{}
+\newcommand\biglogo[1]{
+ \def\logbig{#1}
+}
+% \end{macrocode}
+%
+%
+% \subsubsection{Options}
+%
+% \begin{macro}{sectionpage}
+% Controls whereas a slide with the section title should be inserted at the
+% beginning of the section or not.
+% \begin{macrocode}
+\pgfkeys{
+ /trigon/inner/sectionpage/.cd,
+ .is choice,
+ none/.code=\trigon@disablesectionpage,
+ simple/.code=\trigon@enablesectionpage
+}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{slidestyle}
+% Controls the layout that should be used for regular slides.
+% \begin{macrocode}
+\def\slidestyle{}
+\pgfkeys{
+ /trigon/inner/slidestyle/.cd,
+ .is choice,
+ blank/.code=\def\slidestyle{blank},
+ style1/.code=\def\slidestyle{smallcornertriangle},
+ cyber/.code=\def\slidestyle{cyberbottom}
+}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{titlestyle}
+% Controls the layout that should be used for the title page.
+% \begin{macrocode}
+\def\titlestyle{}
+\pgfkeys{
+ /trigon/inner/titlestyle/.cd,
+ .is choice,
+ plain/.code=\def\titlestyle{bottomtrianglescolor},
+ style1/.code=\def\titlestyle{titlesmallimage},
+ style2/.code=\def\titlestyle{titlebigimage}
+}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{sectionstyle}
+% Controls the layout that should be used for the title page.
+% \begin{macrocode}
+\def\sectionstyle{}
+\pgfkeys{
+ /trigon/inner/sectionstyle/.cd,
+ .is choice,
+ plain/.code=\def\sectionstyle{bottomtrianglescolor},
+ style1/.code=\def\sectionstyle{bigtriangles},
+ style2/.code=\def\sectionstyle{lefttriangles},
+ style3/.code=\def\sectionstyle{bottomtrianglesbw}
+}
+% \end{macrocode}
+% \end{macro}
+%
+%
+% \begin{macro}{\trigon@inner@setdefaults}
+% Sets default values for the inner theme options.
+% \begin{macrocode}
+\newcommand{\trigon@inner@setdefaults}{
+ \pgfkeys{/trigon/inner/.cd,
+ sectionpage=simple,
+ slidestyle=blank,
+ titlestyle=style2,
+ sectionstyle=plain
+ }
+}
+% \end{macrocode}
+% \end{macro}
+%
+%
+% \subsubsection{Backgrounds}
+%
+% First of all, we define a few commands in order easily create the triangles
+% used as the main design elements of the theme. All these are defined with
+% respect to the |\paperwidth| and |\paperheight| of the document, so that it
+% fits the different aspect ratio possible.
+%
+% \begin{macro}{\leftTriangle}
+% Defines a triangle with the base on the left side (pointing right).
+% \begin{macrocode}
+\newcommand{\leftTriangle}[2]{
+ (#1,#2)
+ -- (0,{#2 + tan(30)*#1} )
+ -- (0,{#2 - tan(30)*#1} )
+ -- cycle;
+}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\righTriangle}
+% Defines a triangle with the base on the right side (pointing left).
+% \begin{macrocode}
+\newcommand{\rightTriangle}[2]{
+ (#1,#2)
+ -- (\the\paperwidth,{#2 + tan(30)*(\the\paperwidth-#1)} )
+ -- (\the\paperwidth,{#2 - tan(30)*(\the\paperwidth-#1)} )
+ -- cycle;
+}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\topTriangle}
+% Defines a triangle with the base on the bottom side (pointing top).
+% \begin{macrocode}
+\newcommand{\topTriangle}[2]{
+ (#1,#2)
+ -- ({#1 - tan(60)*#2},0)
+ -- ({#1 + tan(60)*#2},0)
+ -- cycle;
+}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\leftColorTriangle}
+% Defines a colored triangle with the base on the left side (pointing right).
+% \begin{macrocode}
+\newcommand{\leftColorTriangle}[3]{
+ \path[fill=#3]
+ \leftTriangle{#1}{#2}
+}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\righColorTriangle}
+% Defines a colored triangle with the base on the right side (pointing left).
+% \begin{macrocode}
+\newcommand{\rightColorTriangle}[3]{
+ \path[fill=#3]
+ \rightTriangle{#1}{#2}
+}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\topColorTriangle}
+% Defines a colored triangle with the base on the bottom side (pointing top).
+% \begin{macrocode}
+\newcommand{\topColorTriangle}[3]{
+ \path[fill=#3]
+ \topTriangle{#1}{#2}
+}
+% \end{macrocode}
+% \end{macro}
+%
+%
+% We then define the different backgrounds choices.
+%
+% \begin{macro}{blank}
+% Blank slide background.
+% \begin{macrocode}
+\defbeamertemplate{background}{blank}{}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{smallcornertriangle}
+% Background with a small triangle in bottom left corner (used for normal
+% frames when the appropriate option is selected).
+% \begin{macrocode}
+\defbeamertemplate{background}{smallcornertriangle}{
+ \begin{tikzpicture}[blend group=multiply]
+ \useasboundingbox (0,0) rectangle(\the\paperwidth,\the\paperheight);
+ \leftColorTriangle{0.62\paperwidth}{0}{tGrey!30}
+ \end{tikzpicture}
+}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{cyberbottom}
+% Background with "mesh" effect on the bottom left corner (used for normal
+% frames when the appropriate option is selected).
+% \begin{macrocode}
+\defbeamertemplate{background}{cyberbottom}{
+\tikzstyle{cyberVertex}=[scale=1,draw=tGrey!60,circle,fill=white]
+\tikzstyle{cyberVertex2}=[scale=0.5,draw=tGrey!60,circle,fill=tGrey!60]
+\tikzstyle{cyberEdge} = [draw,color=tGrey!60]
+\begin{tikzpicture}[blend group=multiply]
+ \useasboundingbox (0,0) rectangle(\the\paperwidth,\the\paperheight);
+ \foreach \pos/\name in {
+ {(-0.05\paperwidth,0.75\paperheight)/0},
+ {(0.02\paperwidth,0.53\paperheight)/1},
+ {(-0.04\paperwidth,0.38\paperheight)/2},
+ {(0.08\paperwidth,0.40\paperheight)/3},
+ {(0.052\paperwidth,0.21\paperheight)/5},
+ {(0.24\paperwidth,0.26\paperheight)/6},
+ {(-0.08\paperwidth,-0.06\paperheight)/7},
+ {(0.12\paperwidth,0.07\paperheight)/8},
+ {(0.2\paperwidth,0.-0.08\paperheight)/9},
+ {(0.38\paperwidth,0.06\paperheight)/10},
+ {(0.56\paperwidth,-0.08\paperheight)/11}}
+ \node[cyberVertex] (\name) at \pos {};
+ \foreach \pos/\name in {
+ {(-0.05\paperwidth,0.75\paperheight)/0},
+ {(0.02\paperwidth,0.53\paperheight)/1},
+ {(-0.04\paperwidth,0.38\paperheight)/2},
+ {(0.08\paperwidth,0.40\paperheight)/3},
+ {(0.052\paperwidth,0.21\paperheight)/5},
+ {(0.24\paperwidth,0.26\paperheight)/6},
+ {(-0.08\paperwidth,-0.06\paperheight)/7},
+ {(0.12\paperwidth,0.07\paperheight)/8},
+ {(0.2\paperwidth,0.-0.08\paperheight)/9},
+ {(0.38\paperwidth,0.06\paperheight)/10},
+ {(0.56\paperwidth,-0.08\paperheight)/11}}
+ \node[cyberVertex2] (\name_2) at \pos {};
+ \foreach \source/ \dest in
+ {0/1,1/2,1/3,2/3,2/5,3/5,3/6,5/6,5/7,7/8,5/8,8/6,8/9,6/9,9/10,10/6,10/11}
+ \path[cyberEdge] (\source) -- (\dest);
+\end{tikzpicture}
+}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{titlebigimage}
+% Background for title page with a big image in the top left corener.
+% \begin{macrocode}
+\defbeamertemplate{background}{titlebigimage}{
+ \begin{tikzpicture}
+ \useasboundingbox (0,0) rectangle(\the\paperwidth,\the\paperheight);
+ \begin{scope}[blend group=multiply]
+ \path[fill=tPrim]\leftTriangle{0.5\paperwidth}{0};
+ \topColorTriangle{0.73\paperwidth}{0.70\paperheight}{tGrey!30};
+ \ifx\inserttitlegraphic\@empty
+ \leftColorTriangle{0.73\paperwidth}{0.70\paperheight}{tPrim}
+ \else
+ \path[clip]\leftTriangle{0.73\paperwidth}{0.70\paperheight};
+ \node[anchor=north west, inner sep=0pt, outer sep=0pt] at (0,\the\paperheight) {\inserttitlegraphic};
+ \fi
+ \end{scope}
+ \path[fill=white]\rightTriangle{0.45\paperwidth}{\the\paperheight};
+ \ifx\logbig\@empty \else
+ \node[anchor=north east,inner sep=0mm] at
+ (.96*\the\paperwidth,.96*\the\paperheight) {\includegraphics[width=0.28\textwidth]{\logbig}};
+ \fi
+ \end{tikzpicture}
+}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{titlesmallimage}
+% Background for the titlepage with a small image in the top left corner.
+% \begin{macrocode}
+\defbeamertemplate{background}{titlesmallimage}{
+ \begin{tikzpicture}[blend group=multiply]
+ \useasboundingbox (0,0) rectangle(\the\paperwidth,\the\paperheight);
+ \leftColorTriangle{0.58\paperwidth}{0}{tGrey!30}
+ \ifx\logbig\@empty \else
+ \node[anchor=north east,inner sep=0mm] at (.94*\the\paperwidth,.94*\the\paperheight) {\includegraphics[width=0.33\textwidth]{\logbig}};
+ \fi
+ \ifx\inserttitlegraphic\@empty
+ \leftColorTriangle{0.58\paperwidth}{\the\paperheight}{tPrim}
+ \else
+ \path[clip]\leftTriangle{0.58\paperwidth}{\the\paperheight};
+ \node[anchor=north west, inner sep=0pt, outer sep=0pt] at (0,\the\paperheight) {\inserttitlegraphic};
+ \fi
+ \end{tikzpicture}
+}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{bottomtrianglescolor}
+% Background for title/section pages with two colored triangles in the
+% bottom.
+% \begin{macrocode}
+\defbeamertemplate{background}{bottomtrianglescolor}{
+ \begin{tikzpicture}[blend group=multiply]
+ \useasboundingbox (0,0) rectangle(\the\paperwidth,\the\paperheight);
+ \leftColorTriangle{0.62\paperwidth}{0}{tPrim}
+ \rightColorTriangle{0.38\paperwidth}{0}{tSec}
+ \end{tikzpicture}
+}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{bottomtrianglesbw}
+% Background for title/section pages with two black and white triangles in
+% the bottom.
+% \begin{macrocode}
+\defbeamertemplate{background}{bottomtrianglesbw}{
+ \begin{tikzpicture}[blend group=multiply]
+ \useasboundingbox (0,0) rectangle(\the\paperwidth,\the\paperheight);
+ \leftColorTriangle{0.62\paperwidth}{0}{tPrim}
+ \rightColorTriangle{0.38\paperwidth}{0}{tGrey}
+ \end{tikzpicture}
+}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{bigtriangles}
+% Background for section pages with a big triangle on the left.
+% \begin{macrocode}
+\defbeamertemplate{background}{bigtriangles}{
+ \begin{tikzpicture}[blend group=multiply]
+ \useasboundingbox (0,0) rectangle(\the\paperwidth,\the\paperheight);
+ \leftColorTriangle{0.80\paperwidth}{0.62\paperheight}{tPrim}
+ \rightColorTriangle{0.68\paperwidth}{0.58\paperheight}{tGrey}
+ \end{tikzpicture}
+}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{lefttriangles}
+% Background for section pages with small triangles on the left.
+% \begin{macrocode}
+\defbeamertemplate{background}{lefttriangles}{
+ \begin{tikzpicture}[blend group=multiply]
+ \useasboundingbox (0,0) rectangle(\the\paperwidth,\the\paperheight);
+ \leftColorTriangle{0.52\paperwidth}{\the\paperheight}{tPrim}
+ \leftColorTriangle{0.775\paperwidth}{0}{tGrey}
+ \end{tikzpicture}
+}
+% \end{macrocode}
+% \end{macro}
+%
+% Before anything, the regular frame background is selected.
+% \begin{macrocode}
+\setbeamertemplate{background}[\slidestyle]
+% \end{macrocode}
+%
+% Finally, we need to set the backgrounds properly before creating the different
+% frames, create the special frames (title, section) and restore the regular
+% background afterwards.
+%
+% \begin{macro}{\titleframe}
+% Sets the titleframe.
+% \begin{macrocode}
+\newcommand{\titleframe}{
+ \setbeamertemplate{title page}[\titlestyle]
+ \setbeamertemplate{background}[\titlestyle]
+ \frame[plain,noframenumbering]{\titlepage}
+ \setbeamertemplate{background}[\slidestyle]
+}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{\sectionframe}
+% Sets the titleframe.
+% \begin{macrocode}
+\newcommand{\sectionframe}{
+ \setbeamertemplate{section page}[\sectionstyle]
+ \setbeamertemplate{background}[\sectionstyle]
+ \frame[plain,noframenumbering]{\sectionpage}
+ \setbeamertemplate{background}[\slidestyle]
+}
+\newcommand{\trigon@disablesectionpage}{
+ \AtBeginSection{
+ % intentionally empty
+ }
+}
+\newcommand{\trigon@enablesectionpage}{
+ \AtBeginSection{
+ \sectionframe
+ }
+}
+% \end{macrocode}
+% \end{macro}
+%
+%
+% \subsubsection{Layout}
+% The following macros define the proper position of the various elements of the
+% frame, so the fit nicely with the different background selected.
+%
+% \begin{macro}{titlebigimage}
+% Place the text on the title frame with a big image on the top left side.
+% \begin{macrocode}
+\defbeamertemplate{title page}{titlebigimage}
+{
+ \vskip140pt
+ \begin{flushright}
+ \begin{minipage}[t][][c]{0.5\textwidth}%
+ \centering
+ \usebeamerfont{title}\usebeamercolor[fg]{title}
+ \inserttitle\par
+ \end{minipage}
+ \ifx \insertsubtitle\@empty
+ \else
+ \vskip15pt
+ \begin{minipage}[t][][c]{0.5\textwidth}%
+ \centering
+ \usebeamerfont{subtitle}\insertsubtitle\par%
+ \end{minipage}
+ \fi
+ \vskip15pt
+ \begin{minipage}[t][][c]{0.5\textwidth}%
+ \centering
+ \usebeamerfont{author}\insertauthor%
+ \vskip10pt
+ \usebeamerfont{date}\insertdate%
+ \end{minipage}
+ \end{flushright}
+ \vfill
+}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{titlesmallimage}
+% Place the text on the title frame with a small image on the top left side.
+% \begin{macrocode}
+\defbeamertemplate{title page}{titlesmallimage}
+{
+ \vskip140pt%
+ \begin{beamercolorbox}[wd=\textwidth,sep=4pt]{title page header}
+ \usebeamerfont{title}\usebeamercolor[fg]{title}\inserttitle\par%
+ \end{beamercolorbox}%
+ \ifx \insertsubtitle\@empty
+ \else
+ \vskip8pt
+ \begin{beamercolorbox}[wd=\textwidth,sep=4pt]{subtitle page header}
+ \usebeamerfont{subtitle}\insertsubtitle\par%
+ \end{beamercolorbox}%
+ \fi
+ \vskip10pt
+ \begin{beamercolorbox}[wd=\textwidth,sep=4pt]{author}
+ \usebeamerfont{author}\insertauthor%
+ \end{beamercolorbox}
+ \vskip2pt%
+ \begin{beamercolorbox}[wd=\textwidth,sep=4pt]{date}
+ \usebeamerfont{date}\insertdate%
+ \end{beamercolorbox}
+ \vfill
+}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{bottomtrianglescolor}
+% Place the text on the title frame with two triangles on the bottom.
+% \begin{macrocode}
+\defbeamertemplate{title page}{bottomtrianglescolor}
+{
+ \vskip0pt
+ \begin{center}
+ \begin{minipage}[t][][t]{\textwidth}
+ \centering%
+ \ifx\logbig\@empty \else
+ \includegraphics[height=0.15\textheight]{\logbig}
+ \fi
+ \end{minipage}
+ \vskip15pt
+ \begin{minipage}[t][][c]{\textwidth}%
+ \centering
+ \usebeamerfont{title}\usebeamercolor[fg]{title}
+ \inserttitle\par
+ \end{minipage}
+ \ifx \insertsubtitle\@empty
+ \else
+ \vskip15pt
+ \begin{minipage}[t][][c]{\textwidth}%
+ \centering
+ \usebeamerfont{subtitle}\insertsubtitle\par%
+ \end{minipage}
+ \fi
+ \vskip20pt
+ \begin{minipage}[t][][c]{0.5\textwidth}%
+ \centering
+ \usebeamerfont{author}\insertauthor\\[0.3cm]%
+ \usebeamerfont{date}\insertdate
+ \end{minipage}
+ \end{center}
+ \vfill
+}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{bottomtrianglescolor}
+% Place the text on the section frame with two colored triangles on the
+% bottom.
+% \begin{macrocode}
+\defbeamertemplate{section page}{bottomtrianglescolor}
+{
+ \vskip40pt
+ \begin{center}
+ \begin{minipage}[t][][c]{\textwidth}%
+ \centering
+ \usebeamerfont{section title}\usebeamercolor[fg]{title}
+ \insertsectionhead\par
+ \end{minipage}
+ \end{center}
+ \vfill
+}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{bottomtrianglesbw}
+% Place the text on the section frame with two black and white triangles on
+% the bottom.
+% \begin{macrocode}
+\defbeamertemplate{section page}{bottomtrianglesbw}
+{
+ \vskip40pt
+ \begin{center}
+ \begin{minipage}[t][][c]{\textwidth}%
+ \centering
+ \usebeamerfont{section title}\usebeamercolor[fg]{title}
+ \insertsectionhead\par
+ \end{minipage}
+ \end{center}
+ \vfill
+}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{bigtriangles}
+% Place the text on the section frame with two big triangles.
+% \begin{macrocode}
+\defbeamertemplate{section page}{bigtriangles}
+{
+ \vskip200pt
+ \begin{flushright}
+ \begin{minipage}[t]{0.62\textwidth}%7
+ \usebeamerfont{section title}\usebeamercolor[fg]{title}
+ \raggedleft
+ \insertsectionhead\par
+ \end{minipage}
+ \end{flushright}
+ \vfill
+}
+% \end{macrocode}
+% \end{macro}
+%
+% \begin{macro}{lefttriangles}
+% Place the text on the section frame with two small left triangles.
+% \begin{macrocode}
+\defbeamertemplate{section page}{lefttriangles}
+{
+ \vskip25pt
+ \begin{beamercolorbox}[wd=\textwidth,leftskip=100pt,sep=4pt]{section page header}
+ \usebeamerfont{section title}\usebeamercolor[fg]{title}
+ \insertsectionhead\par
+ \end{beamercolorbox}%
+ \vfill
+}
+% \end{macrocode}
+% \end{macro}
+%
+%
+% \subsubsection{Lists and floats}
+%
+% \begin{macrocode}
+\setbeamertemplate{caption label separator}{: }
+\setbeamertemplate{caption}[numbered]
+% \end{macrocode}
+%
+%
+% \subsubsection{Margins}
+% The margins are defined as
+% \begin{macrocode}
+\setbeamersize{text margin left=.05\paperwidth, text margin right=.05\paperwidth}
+% \end{macrocode}
+%
+% \subsubsection{Process package options}
+%
+% \begin{macrocode}
+\trigon@inner@setdefaults
+\ProcessPgfPackageOptions{/trigon/inner}
+% \end{macrocode}
+%
+% \iffalse
+%</package>
+% \fi
+% \Finale
+\endinput