添加参数到 \section 以包含图形

Question

我正在尝试将 wordpress 博客翻译成一本书。由于每篇文章都有标题和标题图像，因此我正在寻找一种将标题图像传递给某个部分的方法。

我弄清楚了如何使用 tikz 包创建一个好看的部分，但现在我想知道如何自动传递相应的图片而不是手动传递。

类似的东西\section{title}{picture.jpg}就很棒了。有什么建议吗？

以下是我目前得到的信息：

\documentclass[11pt, openany]{scrbook}

\usepackage[ngerman]{babel}
\usepackage[ansinew]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{textcomp}
\usepackage{mwe}
\usepackage{ae}
\usepackage{longtable} 
\usepackage{graphicx}
\usepackage{float}
\usepackage{caption}
\usepackage{subcaption}
\usepackage{microtype}
\usepackage{fancybox}
\usepackage{times} 
\usepackage{lmodern}
\usepackage{tikz} % Required for drawing custom shapes
\usetikzlibrary{positioning}
\usetikzlibrary{shadows,calc}
\usepackage[explicit]{titlesec} %Custom Section title
\usepackage[a4paper, left=2.5cm, right=1.0cm, top=2cm, bottom=2.5cm]{geometry}
\usepackage{color}
\usepackage{hyperref}
\usepackage{array}


%%Custom Section-Titles
\newcommand*\sectionlabel{}
\titleformat{\section}
    {\gdef\sectionlabel{}
        \normalfont\Large\sffamily\bfseries\color{THDblue}}
        {\gdef\sectionlabel{\thesection\ }}{0pt}
    {%
                \begin{tikzpicture}[remember picture]
                \node[anchor=north west] (titelbild) at (0,0) {\includegraphics[scale=0.2]{example-image}};
                \draw[color=THDblue] ($(titelbild.north east) + (15cm,-0.5cm)$) -- ($(titelbild.north east) + (0.5cm,-0.5cm)$) -- (titelbild.north east) -- (titelbild.north west) -- (titelbild.south west) --(titelbild.south east) --($(titelbild.south east) + (0.5cm,0.5cm)$) -- ($(titelbild.south east) + (15cm,0.5cm)$);
                \node[anchor=north west, text width=9cm] at ($(titelbild.north east) + (0.3cm,-0.8cm)$){\sectionlabel#1};
                \end{tikzpicture}
    }

%-------------------------------------

\definecolor{THDblue}{rgb}{0.1000,0.4000,0.4000}


\begin{document}


\chapter{This is the titel of my first chapter}
\section{This is my first section, btw it is a very long title}

\chapter{This is the titel of my second chapter}


\end{document}

Answer 1

如果您想使用语法\section{<title>}{<image>}，那么您可以重新定义\section以捕获两个强制参数xparse：

\documentclass{scrbook}

\usepackage{graphicx}
\usepackage{tikz} % Required for drawing custom shapes
\usetikzlibrary{positioning}
\usetikzlibrary{shadows,calc}
\usepackage[explicit]{titlesec} %Custom Section title
\usepackage{hyperref,xparse}

%%Custom Section-Titles
\newcommand*\sectionlabel{}
\titleformat{\section}
  {\gdef\sectionlabel{}
    \normalfont\Large\sffamily\bfseries\color{THDblue}}
    {\gdef\sectionlabel{\thesection\ }}{0pt}
  {%
    \begin{tikzpicture}[remember picture]
    \node[anchor=north west] (titelbild) at (0,0) {\secimg};
    \draw[color=THDblue] ($(titelbild.north east) + (15cm,-0.5cm)$) -- ($(titelbild.north east) + (0.5cm,-0.5cm)$) -- (titelbild.north east) -- (titelbild.north west) -- (titelbild.south west) --(titelbild.south east) --($(titelbild.south east) + (0.5cm,0.5cm)$) -- ($(titelbild.south east) + (15cm,0.5cm)$);
    \node[anchor=north west, text width=9cm] at ($(titelbild.north east) + (0.3cm,-0.8cm)$){\sectionlabel#1};
    \end{tikzpicture}
  }

\let\oldsection\section
\RenewDocumentCommand{\section}{s o m m}{%
  \def\secimg{\includegraphics[scale=0.2]{#4}}%
  \IfBooleanTF{#1}
    {% \section*
      \oldsection*{#3}%
    }{% \section
      \IfValueTF{#2}
        {% \section[.]{..}
          \oldsection[#2]{#3}
        }{% \section{..}
          \oldsection{#3}
        }%
    }%
}

%-------------------------------------

\definecolor{THDblue}{rgb}{0.1000,0.4000,0.4000}

\begin{document}

\chapter{This is the title of my first chapter}
\section{This is my first section, btw it is a very long title}{example-image-a}

\section{This is my second section, btw it is a very long title}{example-image-b}

\section{This is my final section, btw it is a very long title}{example-image-c}

\end{document}

假设每个\section都会附有一张图片（因此，两个论点\section被认为是强制的）。