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author | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
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committer | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
commit | e0c6872cf40896c7be36b11dcc744620f10adf1d (patch) | |
tree | 60335e10d2f4354b0674ec22d7b53f0f8abee672 /macros/latex/contrib/beamer-contrib/dynblocks |
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diff --git a/macros/latex/contrib/beamer-contrib/dynblocks/README b/macros/latex/contrib/beamer-contrib/dynblocks/README new file mode 100644 index 0000000000..76058cc6c0 --- /dev/null +++ b/macros/latex/contrib/beamer-contrib/dynblocks/README @@ -0,0 +1,15 @@ +% * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * +% Dynblocks package +% +% Copyright (C) 2012-2014 Claudio Fiandrino +% +% v0.2b - 2014/18/09 +% +% * A simple way to create dynamic blocks * +% +% * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * +% +% * Abstract * +% +% The dynblocks package allows to fully customize blocks aspect and +% dimension inside a presentation. diff --git a/macros/latex/contrib/beamer-contrib/dynblocks/doc/dynblocks.pdf b/macros/latex/contrib/beamer-contrib/dynblocks/doc/dynblocks.pdf Binary files differnew file mode 100644 index 0000000000..b0931fd555 --- /dev/null +++ b/macros/latex/contrib/beamer-contrib/dynblocks/doc/dynblocks.pdf diff --git a/macros/latex/contrib/beamer-contrib/dynblocks/doc/dynblocks.tex b/macros/latex/contrib/beamer-contrib/dynblocks/doc/dynblocks.tex new file mode 100644 index 0000000000..cff9e74b38 --- /dev/null +++ b/macros/latex/contrib/beamer-contrib/dynblocks/doc/dynblocks.tex @@ -0,0 +1,643 @@ +\documentclass[a4paper,11pt]{article} +\usepackage[T1]{fontenc} +\usepackage[utf8]{inputenc} +\usepackage[english]{babel} +\usepackage{graphicx} +\usepackage{microtype} +\usepackage[osf]{mathpazo} +\usepackage[x11names]{xcolor} +\usepackage[font=footnotesize,labelfont={bf}]{caption} +\usepackage{subfig} +\usepackage{listings} + \lstset{language=[LaTeX]TeX,% + basicstyle=\footnotesize\ttfamily, + keywordstyle=\footnotesize\ttfamily\color{DodgerBlue1}, + commentstyle=\footnotesize\ttfamily\color{DarkOrchid1}, + showstringspaces=false, + morecomment=[s][\footnotesize\ttfamily\color{brown!87!black}]\[ \], + morecomment=[s][\footnotesize\ttfamily\color{brown!87!black}]< >, + texcsstyle=*\color{DodgerBlue1}, + morekeywords={invblock,opaqueblock,setalignment,dynalert,usetheme,alert,setinvopacity, + setblockcolor,setbordercolor,setinnercolor,setoutercolor,settopcolor,setbottomcolor, + setleftcolor,setrightcolor,fancyblock,vshadeblock,oshadeblock,DeclareOption,setbeamercolor}, + framerule=2pt, + rulecolor=\color{DodgerBlue1}, + rulesep=4pt, + framesep=5pt + } +%\lstdefinestyle{myslash}{% +% literate={\textbackslash}{{\textcolor{DodgerBlue1}{\textbackslash}}}{1}% +%} +\usepackage[pdfpagelabels,plainpages=false,colorlinks=true,hyperindex=true, + urlcolor=OrangeRed1,linkcolor=DodgerBlue1]{hyperref} + +\newcommand*{\mcmd}[1]{\texttt{\{}\normalfont\texttt{#1}\texttt{\}}} +\newcommand*{\mbcmd}[1]{\texttt{[}\normalfont\texttt{#1}\texttt{]}} +\newcommand*{\meta}[1]{{\normalfont\ensuremath{\langle}\textit{#1}\ensuremath{\rangle}}} +\newcommand*{\marg}[1]{\texttt{\{\meta{#1}\}}} +\newcommand*{\sarg}[1]{\texttt{<\meta{#1}>}} +\newcommand*{\mbarg}[1]{\texttt{[\meta{#1}]}} +\newcommand*{\cs}[1]{\texttt{\char92#1}} + +\renewcommand\labelitemi{\color{DodgerBlue1!60}$\bullet$} +\renewcommand\labelitemii{\color{DodgerBlue1!60}$\circ$} + +\newcommand{\name}{\textsf{dynblocks}} +\newcommand{\version}{0.2b} +\newcommand{\versiondate}{187/09/2014} + +\author{Claudio Fiandrino \\ \footnotesize{\href{mailto:claudio.fiandrino@gmail.com}{claudio.fiandrino@gmail.com}}} +\title{The \name{} package \footnote{This package has version number \textit{v}\version{} of \versiondate{}; it is released under and subject to the \href{http://www.latex-project.org/lppl/}{\LaTeX\ Project Public License (LPPL)}.}} + +\begin{document} +\maketitle +\begin{abstract} +The \name{} package allows to fully customize blocks aspect and dimension inside a presentation. + +The package originated from \href{http://tex.stackexchange.com/questions/53784/overlay-images-and-block-in-beamer}{this question} in \href{http://tex.stackexchange.com/}{TeX.SE}. The core functionalities of the package are based on \href{http://tex.stackexchange.com/questions/53784/overlay-images-and-block-in-beamer/53797#53797}{this answer}. +\end{abstract} + +\tableofcontents + +\section{Introduction} +The purpose of the package is to provide an instrument to customize several aspects of blocks (here called \emph{dynblocks}): +\begin{itemize} +\item the width; +\item the color +\begin{itemize} +\item of the background; +\item of the border; +\end{itemize} +\item the text: +\begin{itemize} +\item alignment; +\item opacity +\end{itemize} +\end{itemize} +Notice that \emph{dynblocks} defined by \name{} differ from usual beamer's blocks because no title is given. + +The package has the following requirements: +\begin{itemize} +\item \textsf{TikZ}; +\item \textsf{etoolbox}; +\item \textsf{xparse}. +\end{itemize} + +I would like to thank Enrico Gregorio for having pointed out an issue after the release of Ti\textit{k}Z 3.0.0 and \textsf{xparse} version 2014/08/25. + +\section{Usage} +To load the package use as usual: \cs{usepackage}\mbarg{options}\mcmd{dynblocks}. + +The different options that can be adopted will be analysed in detail in section \ref{sec:options}. + +\subsection{Basic usage} +Using the package in basic mode allows to define a block with: +\begin{itemize} +\item \emph{justified} alignment; +\item width equal to \cs{textwidth}; +\item border color \cs{blue} and fill color \cs{blue!10}. +\end{itemize} +thanks to the command \cs{opaqueblock}\sarg{overlay spec}\mbarg{width}\marg{text}. Notice that \sarg{overlay spec} could be: +\begin{itemize} +\item a single number: \texttt{<1>}; +\item multiple numbers separated by commas and delimited by braces: \texttt{<\{1,2,3\}>}; +\item a single number followed by a dash: \texttt{<1->}. +\end{itemize} +Moreover, it is also possible to make it \emph{invisible}, that is to force colors to become \texttt{gray} by means of \cs{invblock}\sarg{overlay spec}. For example, the following code, generates the two frames shown in figures \ref{fig:basic1} and \ref{fig:basic2}. +\medskip +\begin{lstlisting}[frame=lines] +\documentclass{beamer} +\usepackage{dynblocks} + +\usetheme{Luebeck} + +\begin{document} +\begin{frame}{The frame title} +\begin{columns}[T] + \begin{column}{0.4\textwidth} + \begin{dynblock} + \opaqueblock<1>[0.8\textwidth]{hello this is a dynamic block + with an itemize environment: + \begin{itemize} + \item hello + \item hello again + \end{itemize} + } + \invblock<2-> + \end{dynblock} + \end{column} + \begin{column}{0.4\textwidth} + \begin{dynblock} + \opaqueblock<2>{hello this is another dynamic block} + \end{dynblock} + \end{column} +\end{columns} +\end{frame} + +\end{document} +\end{lstlisting} + +\begin{figure}[ht] +\centering +\subfloat[First frame]{ +\includegraphics[scale=0.45]{./images/basic_1} +\label{fig:basic1}% +} +\hspace*{0.25cm} +\subfloat[Second frame]{ +\includegraphics[scale=0.45]{./images/basic_2} +\label{fig:basic2}% +} +\caption{The basic example} +\end{figure} + +In this example, it is possible to notice that the second \cs{opaqueblock} has no specified \texttt{width}; the default value is \cs{textwidth}, but if the block is placed inside a \emph{column} environment it automatically inherits the \texttt{width} given there. To set different values of \texttt{width}, it is necessary to specify the optional argument as did for the first \cs{opaqueblock} of the example. + +The presence of an \cs{invblock} makes the first \cs{opaqueblock} invisible; this command needs to be placed immediately after an \cs{opaqueblock} because of two facts: +\begin{itemize} +\item it automatically inherits the \texttt{width} from the \cs{opaqueblock}; +\item it automatically shows the text of the previous \cs{opaqueblock}. +\end{itemize} + +Finally, both \cs{opaqueblock} and \cs{invblock} need to be placed inside a \texttt{dynblock} environment. + +\subsection{Change text alignment} +Thanks to the command \cs{setalignment}\marg{text spec} the text alignment changes according to the \meta{text spec} (for all possibilities please refer to the pgfmanual section 17.4.3 - version December 20, 2013). + +Suppose, for instance, to modify the previous example in order to display the second block with center aligned text. The only change to do is: +\medskip +\begin{lstlisting}[frame=lines] +\begin{dynblock} +\setalignment{center} +\opaqueblock<2>{hello this is another dynamic block} +\end{dynblock} +\end{lstlisting} + +and this will lead to figure \ref{fig:align}. + +\begin{figure}[ht] +\centering +\includegraphics[scale=0.7]{./images/align} +\caption{Second frame with text center aligned for the second block}% +\label{fig:align}% +\end{figure} + +Notice that the alignments can be local or global: if there is a definition in the preamble (global), all the \emph{dynblocks} will be set according to this definition. When the definition is set inside a group (a \emph{columns} environment or even simpler, the \emph{dynblock} environment), it affects only locally the \emph{dynblocks}. It is even possible set a global definition and then make local changes. + +\subsection{Text opacity and word alert} +By default: +\begin{itemize} +\item \cs{opaqueblock}s have an opacity set to $0.9$; +\item \cs{invblock}s have an opacity set to $0.4$. +\end{itemize} +To change these values two commands have been introduced: +\begin{itemize} +\item \cs{setvisopacity}\marg{opacity spec}; +\item \cs{setinvopacity}\marg{opacity spec}; +\end{itemize} +where \meta{opacity spec} is a value in the interval $[0 \, , \, 1]$. Also these commands can be set locally or in a global fashion in the preamble. + +Due to the opacity, the usual \cs{alert} command is not more useful with \cs{invblock}s. The package provides a method to alert a word even in this case. The command to be used is \cs{dynalert}\sarg{overlay spec}\marg{text}. Note that with the proper usage of \meta{overlay spec}, \cs{dynalert} must not fall inside a \cs{opaqueblock}. This is a limitation because the purpose for which it has been developed is different. + +Assume, for example, to modify the reference example such that the opacity of \cs{invblock} will be set to $0.1$; furthermore, for the first block, the word ``\emph{itemize}'' will be alerted with \cs{alert}, while ``\emph{dynamic block}'' with \cs{dynalert} and for the second block (that does not have the correspondent \cs{invblock}) it is shown what happens with a wrong usage of \cs{dynalert}. The code is: +\medskip +\begin{lstlisting}[frame=lines] +\documentclass{beamer} +\usepackage{dynblocks} + +\usetheme{Luebeck} +\setinvopacity{0.1} + +\begin{document} +\begin{frame}{The frame title} +\begin{columns}[T] +\begin{column}{0.4\textwidth} +\begin{dynblock} +\opaqueblock<1>[0.8\textwidth]{hello this is a + \dynalert<2>{dynamic block} with an \alert<1,2>{itemize} + environment: +\begin{itemize} +\item hello +\item hello again +\end{itemize} +} +\invblock<2-> +\end{dynblock} +\end{column} +\begin{column}{0.4\textwidth} +\begin{dynblock} +\opaqueblock<2>{hello this is another + \dynalert<2>{dynamic} block} +\end{dynblock} +\end{column} +\end{columns} +\end{frame} + +\end{document} +\end{lstlisting} + +\begin{figure}[ht] +\centering +\subfloat[First frame]{ +\includegraphics[scale=0.45]{./images/alert_1} +\label{fig:alert1}% +} +\hspace*{0.1cm} +\subfloat[Second frame]{ +\includegraphics[scale=0.45]{./images/alert_2} +\label{fig:alert2}% +} +\caption{Example with different opacity and alerts} +\end{figure} + +As it is possible to see from figures \ref{fig:alert1} and \ref{fig:alert2}, the usual \cs{alert}, when used inside an \cs{invblock}, is set with the opacity of the block while the proper \cs{dynalert} no. Anyway, a wrong usage of \cs{dynalert} lead to the output shown in figure \ref{fig:alert2}: the subsequent text of the alerted word is set with the opacity of an \cs{invblock}. + +The suggested use, in conclusion, is: +\begin{itemize} +\item \cs{alert} with \meta{overlay spec} equal specified in the related \cs{opaqueblock}; +\item \cs{dynalert} to highlight words inside an \cs{invblock}; +\item never do something like: \cs{dynalert}\texttt{<1,2>}\mcmd{word} if the \cs{opaqueblock} is shown in \meta{overlay spec}$=1$ and the \cs{invblock} in \meta{overlay spec}$=2$. +\end{itemize} + +To change colors: +\begin{itemize} +\item for \cs{alert} the usual Beamer command works:\\ \cs{setbeamercolor}\mcmd{alerted text}\marg{color spec}; +\item for \cs{dynalert} a different command has been introduced to differentiate them from standard Beamer's alerts: \cs{setwordscolor}\marg{color}; the default value is set to \textit{blue}. +\end{itemize} + +\section{Options and advanced examples}\label{sec:options} +In this section the package's options are introduced with examples. They allow to customize more deeply the aspect of \emph{dynblocks}: +\begin{itemize} +\item adding the shadow and the rounded corners (subsection \ref{subse:shrc}); +\item customizing the fill color (subsection \ref{subse:cfill}); +\item adapting the fill color to the current Beamer theme used (subsection \ref{subse:cadapt}). +\end{itemize} + +\subsection{The shadow and the rounded corners}\label{subse:shrc} +To load: +\begin{itemize} +\item the shadow option use: \cs{usepackage}\mbcmd{shadow}\mcmd{dynblocks}; it is possible to set the \emph{shadow opacity} by means of the following command: \cs{setshadowopacity}\marg{opacity spec} (default value $0.4$); +\item the option to have rounded corners for \emph{dynblocks} use: \\ \cs{usepackage}\mbcmd{roundedcorners}\mcmd{dynblocks}. +\end{itemize} + +For example: +\begin{lstlisting}[frame=lines] +\documentclass{beamer} +\usepackage[shadow,roundedcorners]{dynblocks} + +\usetheme{Luebeck} + +\begin{document} +\begin{frame}{The frame title} +\begin{columns}[T] +\begin{column}{0.4\textwidth} +\begin{dynblock} +\opaqueblock<1>[0.8\textwidth]{hello this is a + \dynalert<2>{dynamic block} with an + \alert<1,2>{itemize} environment: +\begin{itemize} +\item hello +\item hello again +\end{itemize} +} +\invblock<2-> +\end{dynblock} +\end{column} +\begin{column}{0.4\textwidth} +\begin{dynblock} +\setalignment{center} +\opaqueblock<2>{hello this is another dynamic block} +\end{dynblock} +\end{column} +\end{columns} +\end{frame} + +\end{document} +\end{lstlisting} +allows to get the frames shown in figures \ref{fig:shdrndc1} and \ref{fig:shdrndc2}. + +\begin{figure}[ht] +\centering +\subfloat[First frame]{ +\includegraphics[scale=0.45]{./images/shdrndc_1} +\label{fig:shdrndc1}% +} +\hspace*{0.1cm} +\subfloat[Second frame]{ +\includegraphics[scale=0.45]{./images/shdrndc_2} +\label{fig:shdrndc2}% +} +\caption{Example with \texttt{shadow} and \texttt{roundedcorners} options} +\end{figure} + +\subsection{Customized fill colors}\label{subse:cfill} +By activating this option it is possible to fully customize the \emph{dynblocks} colors because several command become available: +\begin{itemize} +\item \cs{setblockcolor}\marg{color spec} and \cs{setbordercolor}\marg{color spec} for the \cs{opaqueblock}s (default values are \textit{blue!10} and \textit{blue} respectively); +\item \cs{setinnercolor}\marg{color spec} and \cs{setoutercolor}\marg{color spec} for the \cs{fancyblock}s (default values are \textit{white} and \textit{blue!10} respectively); +\item \cs{settopcolor}\marg{color spec} and \cs{setbottomcolor}\marg{color spec} for the \cs{vshadeblock}s (default values are \textit{white} and \textit{blue!10} respectively); +\item \cs{setleftcolor}\marg{color spec} and \cs{setrightcolor}\marg{color spec} for the \cs{oshadeblock}s (default values are \textit{white} and \textit{blue!10} respectively). +\end{itemize} +Similarly to the \texttt{shadow} and the \texttt{roundedcorners} options, to load the \texttt{customcolors} option use \cs{usepackage}\mbcmd{customcolors}\mcmd{dynblocks}. + +In the following example, all \emph{dynblocks} types are used and it is possible to see how local and global setting work. + +\begin{lstlisting}[frame=lines] +\documentclass{beamer} +\usepackage[shadow, roundedcorners,customcolors]{dynblocks} +% some global settings +\setblockcolor{red!10} +\setbordercolor{red} +\setbottomcolor{orange!40} +\setrightcolor{orange!40} + +\usetheme{Luebeck} + +\begin{document} +\begin{frame}{The frame title} +\begin{columns}[T] +\begin{column}{0.4\textwidth} +\begin{dynblock} +\opaqueblock<1>[0.8\textwidth]{hello this is a + \dynalert<2>{dynamic block} with an + \alert<1,2>{itemize} environment: +\begin{itemize} +\item hello +\item hello again +\end{itemize} +} +\invblock<2-> +\end{dynblock} +\end{column} +\begin{column}{0.4\textwidth} +\setalignment{center} +\begin{dynblock} +% default settings since no +% \setinnercolor or \setoutercolor +% are there +\fancyblock<2>{hello this is another dynamic block} +\invblock<3-> +\end{dynblock} +\\[2ex] +\setbordercolor{orange} % local definition +% that overwrites the global one +\begin{dynblock} +\vshadeblock<3>{replica: hello this a another dynamic block} +\invblock<4-> +\end{dynblock} +\\[2ex] +\begin{dynblock} +\oshadeblock<4>{replica 2: hello this a another dynamic block} +\end{dynblock} +\end{column} +\end{columns} +\end{frame} + +\end{document} +\end{lstlisting} + +The four frames obtained by this example are shown in figures \ref{fig:custcol1}, \ref{fig:custcol2}, \ref{fig:custcol3} and \ref{fig:custcol4}; more in detail: +\begin{itemize} +\item an example of \cs{opaqueblock} customization through \cs{setblockcolor} and \cs{setbordercolor} could be seen in figure \ref{fig:custcol1}; +\item an example of \cs{fancyblock} with default settings could be seen in figure \ref{fig:custcol2} (notice that it inherits the \texttt{bordercolor} from the global setting); +\item an example of \cs{vshadeblock} with customization of \cs{setbottomcolor} and locally \cs{setbordercolor} (\cs{settopcolor} at default value) could be seen in figure \ref{fig:custcol3}; +\item finally, an example of \cs{oshadeblock} with \cs{setrightcolor} and local \cs{setbordercolor} customization (\cs{settopcolor} at default value) could be seen in figure \ref{fig:custcol4}. +\end{itemize} + +\begin{figure}[ht] +\centering +\subfloat[First frame]{ +\includegraphics[scale=0.45]{./images/custcol_1} +\label{fig:custcol1}% +} +\hspace*{0.25cm} +\subfloat[Second frame]{ +\includegraphics[scale=0.45]{./images/custcol_2} +\label{fig:custcol2}% +} +\\ +\subfloat[Third frame]{ +\includegraphics[scale=0.45]{./images/custcol_3} +\label{fig:custcol3}% +} +\hspace*{0.25cm} +\subfloat[Fourth frame]{ +\includegraphics[scale=0.45]{./images/custcol_4} +\label{fig:custcol4}% +} +\caption{Example with \texttt{customcolor} option and all \emph{dynblocks} types} +\end{figure} + +\subsection{Color adaptation to the Beamer theme}\label{subse:cadapt} +The purpose of this option is to use the Beamer's color of the theme currently adopted; as it will be possible to see, the \texttt{getthemecolors} option should be used with particular care. To load the option there is the usual \cs{usepackage}\mbcmd{getthemecolors}\mcmd{dynblocks}. + +This option is defined inside the package as: +\begin{lstlisting}[frame=lines] +\DeclareOption{getthemecolors}{ +% redefinition opaqueblock +\renewcommand{\thecol}{structure.fg!10} +\renewcommand{\thebordercol}{structure.fg} +% redefinition fancyblock +\def\@setinnercolor{white} +\def\@setoutercolor{structure.fg!10} +% redefinition vshadeblock +\def\@settopcolor{white} +\def\@setbottomcolor{structure.fg!10} +% redefinition oshadeblock +\def\@setleftcolor{white} +\def\@setrightcolor{structure.fg!10} +} +\end{lstlisting} +thus it works properly if the current \texttt{beamercolortheme} set the \emph{structure} definition. + +For example: +\begin{lstlisting}[frame=lines] +\documentclass{beamer} +\usepackage[shadow, roundedcorners,getthemecolors, + customcolors]{dynblocks} + +\usetheme{CambridgeUS} + +\begin{document} +\begin{frame}{The frame title} +\begin{columns}[T] +\begin{column}{0.4\textwidth} +\begin{dynblock} +\opaqueblock<1>[0.8\textwidth]{hello this is a +\dynalert<2>{dynamic block} with an +\alert<1,2>{itemize} environment: +\begin{itemize} +\item hello +\item hello again +\end{itemize} +} +\invblock<2-> +\end{dynblock} +\end{column} +\begin{column}{0.4\textwidth} +\setalignment{center} +\begin{dynblock} +\opaqueblock<2>{hello this is another dynamic block} +\end{dynblock} +\end{column} +\end{columns} +\end{frame} + +\end{document} +\end{lstlisting} +will lead to figures \ref{fig:cmbx1} and \ref{fig:cmbx2}. +\begin{figure}[ht] +\centering +\subfloat[First frame]{ +\includegraphics[scale=0.45]{./images/cmbx_1} +\label{fig:cmbx1}% +} +\hspace*{0.1cm} +\subfloat[Second frame]{ +\includegraphics[scale=0.45]{./images/cmbx_2} +\label{fig:cmbx2}% +} +\caption{Example with a theme that does not define structure color} +\end{figure} + +The result can be improved in the following way: +\begin{lstlisting}[frame=lines] +\documentclass{beamer} +\usepackage[shadow, roundedcorners,getthemecolors, + customcolors]{dynblocks} + +\usetheme{CambridgeUS} +% definition of structure +\setbeamercolor*{structure}{parent=palette primary} + +\begin{document} +\begin{frame}{The frame title} +\begin{columns}[T] +\begin{column}{0.4\textwidth} +\begin{dynblock} +\opaqueblock<1>[0.8\textwidth]{hello this is a +\dynalert<2>{dynamic block} with an +\alert<1,2>{itemize} environment: +\begin{itemize} +\item hello +\item hello again +\end{itemize} +} +\invblock<2-> +\end{dynblock} +\end{column} +\begin{column}{0.4\textwidth} +\setalignment{center} +\begin{dynblock} +\opaqueblock<2>{hello this is another dynamic block} +\end{dynblock} +\end{column} +\end{columns} +\end{frame} + +\end{document} +\end{lstlisting} +obtaining as result the frames shown in figures \ref{fig:cmby1} and \ref{fig:cmby2}. + +\begin{figure}[ht] +\centering +\subfloat[First frame]{ +\includegraphics[scale=0.45]{./images/cmby_1} +\label{fig:cmby1}% +} +\hspace*{0.1cm} +\subfloat[Second frame]{ +\includegraphics[scale=0.45]{./images/cmby_2} +\label{fig:cmby2}% +} +\caption{Example of a theme with a posteriori structure color definition} +\end{figure} + + +Here is another example: +\begin{lstlisting}[frame=lines] +\documentclass{beamer} +\usepackage[getthemecolors]{dynblocks} + +\usetheme{EastLansing} +\setbeamercolor*{structure}{parent=palette primary} + +\begin{document} +\begin{frame}{The frame title} +\begin{dynblock} +\opaqueblock<1>{hello this is a +dynamic block with an +itemize environment: +\begin{itemize} +\item hello +\item hello again +\end{itemize} +} +\end{dynblock} +\end{frame} + +\end{document} +\end{lstlisting} +with the final output shown in figure \ref{fig:estl}. + +\begin{figure}[ht] +\centering +\includegraphics[scale=0.7]{./images/estl} +\caption{Second example of a theme with a posteriori structure color definition}% +\label{fig:estl}% +\end{figure} + +The decision of adopting \emph{structure} as reference is due to the fact that this parameter is one of the most relevant while customizing a Beamer theme. In the following example, it is shown a color customization of the Szeged theme and a particular effect that can be realized thanks to multiple \emph{dynblocks} inside the same \texttt{dynblock} environment: +\begin{lstlisting}[frame=lines] +\documentclass{beamer} +\usepackage[getthemecolors,roundedcorners,shadow]{dynblocks} + +\usetheme{Szeged} +\setbeamercolor{structure}{bg=red!20,fg=red} + +\begin{document} + + +\begin{frame}{A title} +\begin{center} +\begin{dynblock} +\opaqueblock<1>[0.6\textwidth]{hello this is a dynamic block + with an itemize environment: +\begin{itemize} +\item hello +\item hello again +\end{itemize} +} +\invblock<2-> +\setalignment{center} +\opaqueblock<2>{hello this is another dynamic block} +\end{dynblock} +\end{center} +\end{frame} + +\end{document} +\end{lstlisting} +The two frames obtained as outcome are shown in figures \ref{fig:szeg1} and \ref{fig:szeg2}. +\begin{figure} +\centering +\subfloat[First frame]{ +\includegraphics[scale=0.45]{./images/szeg_1} +\label{fig:szeg1}% +} +\hspace*{0.1cm} +\subfloat[Second frame]{ +\includegraphics[scale=0.45]{./images/szeg_2} +\label{fig:szeg2}% +} +\caption{Example of a customized theme} +\end{figure} + +Note that the \texttt{getthemecolors} option has some drawbacks when it is used with particular Beamer color themes like: +\begin{itemize} +\item albatross; +\item beetle. +\end{itemize} + + +\end{document} + diff --git a/macros/latex/contrib/beamer-contrib/dynblocks/doc/images/alert_1.pdf b/macros/latex/contrib/beamer-contrib/dynblocks/doc/images/alert_1.pdf Binary files differnew file mode 100644 index 0000000000..bfe688be74 --- /dev/null +++ b/macros/latex/contrib/beamer-contrib/dynblocks/doc/images/alert_1.pdf diff --git a/macros/latex/contrib/beamer-contrib/dynblocks/doc/images/alert_2.pdf b/macros/latex/contrib/beamer-contrib/dynblocks/doc/images/alert_2.pdf Binary files differnew file mode 100644 index 0000000000..01955b8863 --- /dev/null +++ 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1.3 or later is part of all distributions of LaTeX +% version 2005/12/01 or later. +% +% This work has the LPPL maintenance status `maintained'. +% +% The Current Maintainer of this work is Claudio Fiandrino. + +\NeedsTeXFormat{LaTeX2e} +\ProvidesPackage{dynblocks}[2014/18/09 v0.2b A simple way to create dynamic blocks.] +\RequirePackage{tikz} +\RequirePackage{etoolbox} +\RequirePackage{xparse} + +%% Colors definition and initial setting + +\newcommand{\thecol}{blue!10} +\newcommand{\thebordercol}{blue} + +%% Package options + +% Customization colors +\DeclareOption{customcolors}{% +\def\setblockcolor#1{\def\@setcolor{#1}} +\def\@setcolor{blue!10} +\renewcommand{\thecol}{\@setcolor} + +\def\setbordercolor#1{\def\@setbordercolor{#1}} +\def\@setbordercolor{blue} +\renewcommand{\thebordercol}{\@setbordercolor} + +\def\setinnercolor#1{\def\@setinnercolor{#1}} +\def\@setinnercolor{white} + +\def\setoutercolor#1{\def\@setoutercolor{#1}} +\def\@setoutercolor{blue!10} + +\def\settopcolor#1{\def\@settopcolor{#1}} +\def\@settopcolor{white} + +\def\setbottomcolor#1{\def\@setbottomcolor{#1}} +\def\@setbottomcolor{blue!10} + +\def\setleftcolor#1{\def\@setleftcolor{#1}} +\def\@setleftcolor{white} + +\def\setrightcolor#1{\def\@setrightcolor{#1}} +\def\@setrightcolor{blue!10} +} + +% Customization colors adequate to the theme +\DeclareOption{getthemecolors}{% +% redefinition opaqueblock +\renewcommand{\thecol}{structure.fg!10} +\renewcommand{\thebordercol}{structure.fg} +% redefinition fancyblock +\def\@setinnercolor{white} +\def\@setoutercolor{structure.fg!10} +% redefinition vshadeblock +\def\@settopcolor{white} +\def\@setbottomcolor{structure.fg!10} +% redefinition oshadeblock +\def\@setleftcolor{white} +\def\@setrightcolor{structure.fg!10} +} + +\newbool{rndcorners} +\boolfalse{rndcorners} +\DeclareOption{roundedcorners}{% +\booltrue{rndcorners} +} + +\newbool{shadowed} +\boolfalse{shadowed} +\DeclareOption{shadow}{% +\usetikzlibrary{shadows} +\booltrue{shadowed} +} + +\ProcessOptions + +%% Opacity + +\def\setvisopacity#1{\def\@visopacity{#1}} +\def\@visopacity{0.9} + +\def\setinvopacity#1{\def\@invopacity{#1}} +\def\@invopacity{0.4} + +\def\setshadowopacity#1{\def\@shadowopacity{#1}} +\def\@shadowopacity{0.4} + +%% Alignment + +\def\setalignment#1{\def\@alignment{#1}} +\def\@alignment{justify} + +%% Word alert color + +\def\setwordscolor#1{\def\@setwordscolor{#1}} +\def\@setwordscolor{blue} + +\newcommand{\myalert}[1]{\textcolor{\@setwordscolor}{#1}} + +%% Macro to save text and recall it afterwards + +\newcounter{thistext} +\newcommand{\savetext}[2]{% + «#1»% + \addtocounter{thistext}{1}% + \@namedef{thistext\thethistext}{#2}} +\newcommand{\printthistext}[1]{\@nameuse{thistext#1}} + + +%% Settings + +\tikzset{visib/.style={rectangle,color=\thebordercol,fill=\thecol,text=black,draw,text opacity=\@visopacity, text width=#1,align=\@alignment}} +\tikzset{fancyvisib/.style={rectangle,color=\thebordercol,inner color=\@setinnercolor, outer color=\@setoutercolor,text=black,draw,text opacity=\@visopacity, text width=#1,align=\@alignment}} +\tikzset{vshadevisib/.style={rectangle,color=\thebordercol,top color=\@settopcolor, bottom color=\@setbottomcolor,text=black,draw,text opacity=\@visopacity, text width=#1,align=\@alignment}} +\tikzset{oshadevisib/.style={rectangle,color=\thebordercol,left color=\@setleftcolor, right color=\@setrightcolor,text=black,draw,text opacity=\@visopacity, text width=#1,align=\@alignment}} +\tikzset{invisib/.style={rectangle,color=gray,fill=gray!10,text=black,draw,text opacity=\@invopacity, text width=#1,align=\@alignment}} + +%% Overlays + +\tikzset{ + dyninvisible/.style={opacity=0,text opacity=0}, + dynvisible on/.style={dynalt=#1{}{dyninvisible}}, + dynalt/.code args={<#1>#2#3}{% + \alt<#1>{\pgfkeysalso{#2}}{\pgfkeysalso{#3}} + }, + } + +%% Rounded corners +\ifbool{rndcorners}{%true +\tikzset{visib/.append style={rounded corners}} +\tikzset{fancyvisib/.append style={rounded corners}} +\tikzset{vshadevisib/.append style={rounded corners}} +\tikzset{oshadevisib/.append style={rounded corners}} +\tikzset{invisib/.append style={rounded corners}} +}{%false +} + +%% Definition of user commands and environment + +\newenvironment{dynblock}{\begin{tikzpicture}}{\end{tikzpicture}} + +\newlength\intdimension + +\NewDocumentCommand{\opaqueblock}{r<> O{\textwidth} m}{% +\setlength{\intdimension}{\z@} +\addtolength{\intdimension}{#2} +\ifbool{shadowed}{% true +\node[visib=#2,dynvisible on=<{#1}>,drop shadow={opacity=\@shadowopacity,dynvisible on=<{#1}>}] (X) {\begingroup #3 \endgroup}; +}{% false +\node[visib=#2,dynvisible on=<{#1}>] (X) {\begingroup #3 \endgroup}; +} +\savetext{mytext}{#3} +} + +\NewDocumentCommand{\fancyblock}{r<> O{\textwidth} m}{% +\setlength{\intdimension}{\z@} +\addtolength{\intdimension}{#2} +\ifbool{shadowed}{% true +\node[fancyvisib=#2,dynvisible on=<{#1}>,drop shadow={opacity=\@shadowopacity,dynvisible on=<{#1}>}] (X) {\begingroup #3 \endgroup}; +}{% false +\node[fancyvisib=#2,dynvisible on=<{#1}>] (X) {\begingroup #3 \endgroup}; +} +\savetext{mytext}{#3} +} + +\NewDocumentCommand{\vshadeblock}{r<> O{\textwidth} m}{% +\setlength{\intdimension}{\z@} +\addtolength{\intdimension}{#2} +\ifbool{shadowed}{% true +\node[vshadevisib=#2,dynvisible on=<{#1}>,drop shadow={opacity=\@shadowopacity,dynvisible on=<{#1}>}] (X) {\begingroup #3 \endgroup}; +}{% false +\node[vshadevisib=#2,dynvisible on=<{#1}>] (X) {\begingroup #3 \endgroup}; +} +\savetext{mytext}{#3} +} + +\NewDocumentCommand{\oshadeblock}{r<> O{\textwidth} m}{% +\setlength{\intdimension}{\z@} +\addtolength{\intdimension}{#2} +\ifbool{shadowed}{% true +\node[oshadevisib=#2,dynvisible on=<{#1}>,drop shadow={opacity=\@shadowopacity,dynvisible on=<{#1}>}] (X) {\begingroup #3 \endgroup}; +}{% false +\node[oshadevisib=#2,dynvisible on=<{#1}>] (X) {\begingroup #3 \endgroup}; +} +\savetext{mytext}{#3} +} + +\NewDocumentCommand{\invblock}{r<>}{% +\ifbool{shadowed}{% true +\node[invisib=\intdimension,dynvisible on=<{#1}>,drop shadow={opacity=\@shadowopacity,dynvisible on=<{#1}>}] (X) {\printthistext{\thethistext}}; +}{% false +\node[invisib=\intdimension,dynvisible on=<{#1}>] (X) {\printthistext{\thethistext}}; +} +} + +\NewDocumentCommand{\dynalert}{r<> m}{\alt<{#1}>{\pgfsetfillopacity{1}\myalert{#2}\pgfsetfillopacity{\@invopacity}}{#2}} + +\endinput |