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具有可变图像的主题

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具有可变图像的主题

请检查麦格

\documentclass[10pt,xcolor=dvipsnames,xcolor=table,handout]{beamer}
\definecolor{dcol}{HTML}{034da1}
\usetheme{Mwe}
\title{mwe}
\author{mwe}
\institute{mwe}
\begin{document}
\maketitle
\begin{frame}{Table of Contents}
    \tableofcontents
\end{frame}
\section{Hello}
\subsection{Hello}
\begin{frame}{Hello Title}
    Hello text
    \begin{itemize}
        \item Hello
    \end{itemize}
\end{frame}
\end{document}

以及相应的beamerthemeMwe.sty：

\mode<presentation>
\usepackage[sfdefault]{roboto}
\usecolortheme[named=dcol]{structure}
\setbeamercolor*{palette primary}{use=structure,fg=white,bg=dcol}
\setbeamercolor*{palette quaternary}{bg=dcol,fg=white}
\setbeamercolor{normal text}{fg=dcol}

%%%%%%%%%%%%%%%%%%%%%
% FOOTLINE
%%%%%%%%%%%%%%%%%%%%%

\defbeamertemplate*{footline}{mat theme}{%
    \begin{beamercolorbox}[wd=\paperwidth,ht=0.04\paperheight,dp=2.25ex]{title in head/foot}%
        \begin{minipage}[c]{0.25\paperwidth}%
            \hskip10pt\insertshortauthor%
        \end{minipage}%
        \begin{minipage}[c]{0.60\paperwidth}%
            \centering
            \inserttitle%
        \end{minipage}%
        \begin{minipage}[t]{0.10\paperwidth}%
            \begin{flushright}
                \ifnum \insertpagenumber=1
                    \includegraphics[width=.06\pagewidth]{example-image-a}%\hskip20pt
                \else
                    \insertframenumber{}\hfill\vfill%
                \fi
            \end{flushright}
        \end{minipage}%
    \end{beamercolorbox}%
    \vfill%
}

\AtBeginDocument{%
    \pgfdeclareverticalshading{b@matshade}{\the\paperwidth}
    {rgb(0pt)=(1,1,1); rgb(3pt)=(0.8,0.8,0.8);rgb(5pt)=(0.75,0.75,0.75)}
}

问题是，我想插入序言中的图像。目前，徽标是硬编码的，如下所示example-image-a：

  \begin{flushright}
      \ifnum \insertpagenumber=1
         \includegraphics[width=.06\pagewidth]{example-image-a}%\hskip20pt
       \else
         \insertframenumber{}\hfill\vfill%
      \fi

我正在尝试通过一些选项来更改它，以便我可以将序言中的图像更改为

\setlogo{example-image-b}

我怎样才能做到这一点？

我以前问过这个问题，在 setbeamertheme 中使用变量图像但答案不起作用，并且我收到了错误（确切的输出现在不在我身边）。

答案1

在您的 beamer 风格中，定义\setlogo如下。

\newcommand\setlogo[1]{\def\@logo{#1}}

另外，将加载logo的部分改为如下代码，如果logo没有设置，则打印页码，否则打印logo。

\begin{minipage}[t]{0.10\paperwidth}%
    \begin{flushright}
        \ifnum \insertpagenumber=1
            \ifcsname @logo\endcsname
                \includegraphics[width=.06\paperwidth]{\@logo}%
            \else
                \insertframenumber{}\hfill\vfill
            \fi
        \else
            \insertframenumber{}\hfill\vfill
        \fi
    \end{flushright}
\end{minipage}%

在此处输入图片描述

% main.tex
\documentclass[10pt,xcolor=dvipsnames,xcolor=table,handout]{beamer}
\definecolor{dcol}{HTML}{034da1}
\usetheme{Mwe}
\setlogo{example-image-a}
\title{mwe}
\author{mwe}
\institute{mwe}
\begin{document}
\maketitle
\begin{frame}{Table of Contents}
    \tableofcontents
\end{frame}
\section{Hello}
\subsection{Hello}
\begin{frame}{Hello Title}
    Hello text
    \begin{itemize}
        \item Hello
    \end{itemize}
\end{frame}
\end{document}

% beamerthemeMwe.sty
\mode<presentation>
\usepackage[sfdefault]{roboto}
\usecolortheme[named=dcol]{structure}
\setbeamercolor*{palette primary}{use=structure,fg=white,bg=dcol}
\setbeamercolor*{palette quaternary}{bg=dcol,fg=white}
\setbeamercolor{normal text}{fg=dcol}

\newcommand\setlogo[1]{\def\@logo{#1}}
%%%%%%%%%%%%%%%%%%%%%
% FOOTLINE
%%%%%%%%%%%%%%%%%%%%%

\defbeamertemplate*{footline}{mat theme}{%
    \begin{beamercolorbox}[wd=\paperwidth,ht=0.04\paperheight,dp=2.25ex]{title in head/foot}%
        \begin{minipage}[c]{0.25\paperwidth}%
            \hskip10pt\insertshortauthor%
        \end{minipage}%
        \begin{minipage}[c]{0.60\paperwidth}%
            \centering
            \inserttitle%
        \end{minipage}%
        \begin{minipage}[t]{0.10\paperwidth}%
            \begin{flushright}
                \ifnum \insertpagenumber=1
                  \ifcsname @logo\endcsname
                    \includegraphics[width=.06\paperwidth]{\@logo}%\hskip20pt
                  \else
                    \insertframenumber{}\hfill\vfill
                  \fi
                \else
                    \insertframenumber{}\hfill\vfill
                \fi
            \end{flushright}
        \end{minipage}%
    \end{beamercolorbox}%
    \vfill%
}

\AtBeginDocument{%
    \pgfdeclareverticalshading{b@matshade}{\the\paperwidth}
    {rgb(0pt)=(1,1,1); rgb(3pt)=(0.8,0.8,0.8);rgb(5pt)=(0.75,0.75,0.75)}
}

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