有没有办法像下面的图片一样改变投影仪支柱和页脚

Question

\documentclass[12pt,dvipsnames,usenames,aspectratio=169]{beamer}
\usetheme{default}
\usebeamercolor{default}
\usefonttheme{structurebold}
\setbeamertemplate{navigation symbols}{}
\definecolor{clementine}{HTML}{F26528}

\setbeamercolor{structure}{bg=clementine,fg=white}
\setbeamertemplate{frametitle}
{
    \nointerlineskip
    \begin{beamercolorbox}[sep=0.3cm,ht=1.8em,wd=\paperwidth]{frametitle}
        \vbox{}\vskip-2ex%
        \strut\insertframetitle\strut
        \vskip-0.8ex%
    \end{beamercolorbox}
}

\title{My Big Title}
\subtitle{My Small Subtitle}
\author{Bada Panda}
\institute{{\tiny advised by}\\ \vspace{.10cm}Professor Marshmello Samwich}
\date{\scriptsize Stupid Systems Laboratory, University of Nowhere\\ \vspace{.10cm}\today}

\begin{document}

\maketitle

\begin{frame}[plain]{}
\hspace*{-25pt}%
\includegraphics[scale=0.45]{figures/Slideback_05.pdf}
\end{frame} 

\end{document} 

如果我可以的话

1. 更改条带和文本的颜色
2. 左边的大数字是章节编号
3. 下面的小数字是该部分的幻灯片
4. 更改地球图标/从 4 个图标中挑选

Answer 1

欢迎使用 TeX-SE。是的，创建这种东西并不太难。当然，我没有你包含的图形。

\documentclass[12pt,dvipsnames,usenames,aspectratio=169]{beamer}
\usetheme{default}
\usebeamercolor{default}
\usefonttheme{structurebold}
\setbeamertemplate{navigation symbols}{}
\definecolor{clementine}{HTML}{F26528}
\usepackage{tikz}
\setbeamercolor{structure}{bg=clementine,fg=white}
\setbeamertemplate{frametitle}
{
\centerline{\begin{tikzpicture}
    \fill[clementine] (0,1.8) -- (1,0.8) -| (\paperwidth,-0.8) -- (1,-0.8) --
    (0,-1.8) -- cycle;
    \node[anchor=east] at (1.5,0) {\includegraphics[width=1.2cm]{example-image-duck}};
    \draw[thick,white] (1.6,1.01) -- (1.6,-1.01);
    \node[text=white,anchor=west,font=\Large\sffamily] at (2,0) {\insertframetitle};
    \end{tikzpicture}}
}

\title{My Big Title}
\subtitle{My Small Subtitle}
\author{Bada Panda}
\institute{{\tiny advised by}\\ \vspace{.10cm}Professor Marshmello Samwich}
\date{\scriptsize Stupid Systems Laboratory, University of Nowhere\\ \vspace{.10cm}\today}

\begin{document}

\maketitle
\begin{frame}[t]
\frametitle{Rodent}
blah blah blah

\end{frame}
\end{document}