From 76d7d2965bd0ad3a54d57e3be40973493033f524 Mon Sep 17 00:00:00 2001
From: Jan Benda <jan.benda@uni-tuebingen.de>
Date: Sun, 7 Mar 2021 11:56:12 +0100
Subject: [PATCH] expanded block examples

---
 beamerthemelines.sty |   1 +
 lines-example.tex    | 168 +++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 162 insertions(+), 7 deletions(-)

diff --git a/beamerthemelines.sty b/beamerthemelines.sty
index a9c87f3..37c4768 100644
--- a/beamerthemelines.sty
+++ b/beamerthemelines.sty
@@ -961,6 +961,7 @@
 \setbeamerfont{block body alerted}{parent={block body}}
 \setbeamerfont{block title example}{parent={block title}}
 \setbeamerfont{block body example}{parent={block body}}
+
 \setbeamerfont{theorem title}{parent={block title}}
 \setbeamerfont{theorem body}{parent={block body}}
 
diff --git a/lines-example.tex b/lines-example.tex
index 0aebb1b..469b8ce 100644
--- a/lines-example.tex
+++ b/lines-example.tex
@@ -262,17 +262,20 @@
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 
 \begin{frame}[fragile]{Alert and structure}
+  \vfill
   The \verb!\alert{}! command \alert{emphasizes} text.
 
+  \vfill
   Structural \structure{emphasis} is provided by the \verb!\structure{}! command.
 
-  \vspace{2ex}
+  \vfill
   \begin{block}{Colors/Fonts}
     \verb!\setbeamercolor{alerted text}{fg=red}!\\
     \verb!\setbeamercolor{structure}{fg=blue}!
   \end{block}
 \end{frame}
 
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 
 \begin{frame}[fragile]{Block environments with title}
   ... add structure and color to a slide --- use them with care:
   \begin{block}{Some block}
@@ -307,6 +310,157 @@
   \end{exampleblock}
 \end{frame}
 
+\newcommand{\blockdemo}{
+  \begin{block}{Some block}
+    Block with title and content.
+  \end{block}
+}
+
+\newcommand{\blockthemedemo}[2]{
+  \vspace{-1ex}
+  \setbeamertemplate{block begin}[#1]#2#2
+  \setbeamertemplate{block end}[#1]#2
+  \blockdemo
+  \setbeamertemplate{block begin}[lines]{0.5pt}{0.5pt}
+  \setbeamertemplate{block end}[lines]{0.5pt}
+}
+
+\begin{frame}[fragile]{Themes for block environments with title}
+  \begin{small}
+    \verb!\setbeamertemplate{block begin}[default]!\\
+    \verb!\setbeamertemplate{block end}[default]!
+  \end{small}
+  \blockthemedemo{default}{}
+  \vfill
+  \begin{small}
+    \verb!\setbeamertemplate{block begin}[rounded]!\\
+    \verb!\setbeamertemplate{block end}[rounded]!
+  \end{small}
+  \blockthemedemo{rounded}{}
+  \vfill
+  \begin{small}
+    \verb!\setbeamertemplate{block begin}[lines]{0pt}{0pt}!\\
+    \verb!\setbeamertemplate{block end}[lines]{0pt}!
+  \end{small}
+  \blockthemedemo{lines}{{0pt}}
+\end{frame}
+
+\renewcommand{\blockthemedemo}[2]{
+  \vspace{-1ex}
+  \setbeamertemplate{block begin}[#1]#2#2
+  \setbeamertemplate{block end}[#1]#2
+  \begin{block}{}
+    Block without title.
+  \end{block}
+  \setbeamertemplate{block begin}[lines]{0.5pt}{0.5pt}
+  \setbeamertemplate{block end}[lines]{0.5pt}
+}
+
+\begin{frame}[fragile]{Themes for block environments without title}
+  \begin{small}
+    \verb!\setbeamertemplate{block begin}[default]!\\
+    \verb!\setbeamertemplate{block end}[default]!
+  \end{small}
+  \blockthemedemo{default}{}
+  \vfill
+  \begin{small}
+    \verb!\setbeamertemplate{block begin}[rounded]!\\
+    \verb!\setbeamertemplate{block end}[rounded]!
+  \end{small}
+  \blockthemedemo{rounded}{}
+  \vfill
+  \begin{small}
+    \verb!\setbeamertemplate{block begin}[lines]{0pt}{0pt}!\\
+    \verb!\setbeamertemplate{block end}[lines]{0pt}!
+  \end{small}
+  \blockthemedemo{lines}{{0pt}}
+\end{frame}
+
+\newcommand{\blockcolordemo}[4]{
+  \setbeamertemplate{block begin}[lines]{0pt}{0pt}
+  \setbeamertemplate{block end}[lines]{0pt}
+  \setbeamercolor{block title}{fg=#1, bg=#2}
+  \setbeamercolor{block body}{fg=#3, bg=#4}
+  \begin{small}
+    \texttt{\textbackslash setbeamercolor{block title}\{fg=#1, bg=#2\}}\\
+    \texttt{\textbackslash setbeamercolor{block body}\{fg=#3, bg=#4\}}\\
+  \end{small}
+  \blockdemo
+  \setbeamertemplate{block begin}[lines]{0.5pt}{0.5pt}
+  \setbeamertemplate{block end}[lines]{0.5pt}
+  \setbeamercolor{block title}{fg=white, bg=blue}
+  \setbeamercolor{block body}{fg=normal text.fg, bg=black!15}
+}
+
+\begin{frame}[fragile]{Colors for block environments}
+  \blockcolordemo{white}{red}{blue}{blue!20}
+  \vfill
+  \blockcolordemo{}{}{}{}
+  \vfill
+  \blockcolordemo{black}{white}{black}{white}
+\end{frame}
+
+\newcommand{\blockfontdemo}[2]{
+  \setbeamertemplate{block begin}[lines]{0pt}{0pt}
+  \setbeamertemplate{block end}[lines]{0pt}
+  \begin{small}
+    \texttt{\textbackslash setbeamerfont{block title}\{size=\textbackslash #1\}}\\
+    \texttt{\textbackslash setbeamerfont{block body}\{size=\textbackslash #1\}}\\
+  \end{small}
+  \blockdemo
+  \setbeamertemplate{block begin}[lines]{0.5pt}{0.5pt}
+  \setbeamertemplate{block end}[lines]{0.5pt}
+  \setbeamerfont{block title}{parent={normal text}}
+  \setbeamerfont{block body}{parent={normal text}}
+}
+
+\begin{frame}[fragile]{Fonts for block environments}
+  \setbeamerfont{block title}{size=\LARGE}
+  \setbeamerfont{block body}{size=\normalsize}
+  \blockfontdemo{large}{normalsize}
+  \vfill
+  \setbeamerfont{block title}{size=\normalsize}
+  \setbeamerfont{block body}{size=\tiny}
+  \blockfontdemo{normalsize}{tiny}
+\end{frame}
+
+\newcommand{\blocklinedemo}[3]{
+  \setbeamertemplate{block begin}[lines]{2pt}{2pt}
+  \setbeamertemplate{block end}[lines]{2pt}
+  \setbeamercolor{block line top}{fg=#1}
+  \setbeamercolor{block line middle}{fg=#2}
+  \setbeamercolor{block line bottom}{fg=#3}
+  \begin{small}
+    \texttt{\textbackslash setbeamercolor{block line top}\{fg=#1\}}\\
+    \texttt{\textbackslash setbeamercolor{block line middle}\{fg=#2\}}\\
+    \texttt{\textbackslash setbeamercolor{block line bottom}\{fg=#3\}}
+  \end{small}
+  \blockdemo
+  \setbeamertemplate{block begin}[lines]{0.5pt}{0.5pt}
+  \setbeamertemplate{block end}[lines]{0.5pt}
+  \setbeamercolor{block line top}{fg=}
+  \setbeamercolor{block line middle}{fg=}
+  \setbeamercolor{block line bottom}{fg=blue}
+}
+
+\begin{frame}[fragile]{Lines for block environments}
+  \blocklinedemo{blue!80!black}{white}{blue!50}
+  \vfill
+  \blocklinedemo{}{blue!50}{}
+  \vfill
+\end{frame}
+
+\setbeamertemplate{block begin}[lines]{0.5pt}{0.5pt}
+\setbeamertemplate{block end}[lines]{0.5pt}
+\setbeamercolor{block title}{fg=white, bg=blue}
+\setbeamercolor{block body}{fg=normal text.fg, bg=black!15}
+\setbeamercolor{block line top}{fg=}
+\setbeamercolor{block line middle}{fg=blue}
+\setbeamercolor{block line bottom}{fg=blue}
+\setbeamerfont{block title}{parent={normal text}}
+\setbeamerfont{block body}{parent={normal text}}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 
 \begin{frame}{Theorems --- for mathematicians}
   \begin{theorem}
     \texttt{theorem} environment.
@@ -376,8 +530,8 @@
 \end{frame}
 
 \newcommand{\quotedemo}{
-  \begin{quote}[Me and Myself]
-    A major insight.
+  \begin{quote}[Hamlet]
+    To be, or not to be.
   \end{quote}
   \vfill
 }
@@ -488,8 +642,8 @@
 }
 
 \begin{frame}[fragile]{Colors and fonts for quote and quotation environments}
-  \setbeamerfont{quote}{size=\tiny, shape=\upshape}
-  {\small \verb!\setbeamerfont{quote}{size=\tiny, shape=\upshape}!\\}
+  \setbeamerfont{quote}{shape=\upshape}
+  {\small \verb!\setbeamerfont{quote}{shape=\upshape}!\\}
   \quotedemo
   \setbeamerfont{quote}{size=\normalsize, shape=\slshape}
   \quoteboxdemo{blue}{}
@@ -501,8 +655,8 @@
   \setbeamercolor{quote source}{fg=blue}
   {\small \verb!\setbeamercolor{quote source}{fg=blue}!\\}
   \quotedemo
-  \setbeamerfont{quote source}{size=\tiny}
-  {\small \verb!\setbeamerfont{quote source}{size=\tiny}!\\}
+  \setbeamerfont{quote source}{size=\footnotesize, shape=\itshape}
+  {\small \verb!\setbeamerfont{quote source}{size=\footnotesize, shape=\itshape}!\\}
   \quotedemo
   \setbeamercolor{quote source}{fg=}
   \setbeamerfont{quote source}{size=\normalsize}