使用 tikz 自定义章节样式 - 垂直矩形

Question

我见过多个使用 TikZ 进行章节样式设计的示例，但它们都使用水平矩形和/或线条来自定义章节页面，但是否可以像下图这样进行垂直设计？有人知道怎么做吗？谢谢！

Answer 1

我改变了一些想法，但这是我最终得到的结果：

代码：

\documentclass[11pt, twosides]{book}
\usepackage[a4paper, top=.5cm]{geometry}
\usepackage[myheadings]{fullpage}
\usepackage{fancyhdr}
\usepackage{lastpage}
\usepackage{graphicx, wrapfig, subcaption, setspace}
\usepackage{mathpazo}
\usepackage[T1]{fontenc}
\usepackage[font=small, labelfont=bf]{caption}
\usepackage[protrusion=true, expansion=true]{microtype}
\usepackage{sectsty}
\usepackage{url, lipsum}
\usepackage{etoolbox}
\usepackage[explicit]{titlesec}
\usepackage{epigraph}
\usepackage{tikz}
\usepackage{tikzpagenodes}
\titleformat{\chapter}[display]
  {\normalfont\huge}
  {}
  {20pt}
  {%
  \begin{tikzpicture}[remember picture,overlay]
\fill[top color=green, bottom color=blue] 
(16,-23) rectangle (18.5,7);
\node[
    anchor= east,
    xshift=1cm,
    text width=\textwidth] 
    at ([yshift=5pt]titlerect.east) {\fontsize{30}{36}\sffamily\selectfont#1};
\node[
    anchor= east,
    inner xsep=3cm,
    outer sep=0pt,
    font=\color{blue}]%,
    at ([yshift=.5cm]current page.east|-titlerect.east)
     {\fontsize{80}{86}\bfseries\thechapter};
\node[
    anchor= east,
    xshift=11.5cm,
        yshift=-11cm,
    text width=\textwidth] 
    at ([yshift=5pt]titlerect.east) {\fontsize{30}{36}\scshape\selectfont\rotatebox{90}{\color{white}#1}};
  \end{tikzpicture}%
}
\titleformat{name=\chapter,numberless}[display]
  {\normalfont\huge}
  {}
  {20pt}
  {%
  \begin{tikzpicture}[remember picture,overlay]
    \fill[top color=green, bottom color=blue] 
    (16,-25) rectangle (18.5,7);
  \node[
   anchor=west,
    rectangle,
    minimum height=4cm,
    text width=\paperwidth,
    xshift=-\the\dimexpr\oddsidemargin+1in\relax,
    outer sep=0pt] (titlerect) {};
  \node[
    anchor=south west,
    xshift=6cm,
        yshift=2cm,
    text width=\textwidth] 
   at (titlerect.south west) {\sffamily\Huge#1};
    \node[
    anchor= east,
    xshift=11.5cm,
        yshift=-11cm,
    text width=\textwidth] 
    at ([yshift=5pt]titlerect.east) {\fontsize{30}{36}\scshape\selectfont\rotatebox{90}{\color{white}#1}};
  \end{tikzpicture}%
  }[]
\titlespacing*{\chapter}
  {0pt}{-20pt}{60pt}
\titlespacing*{\chapter}
  {0pt}{-20pt}{60pt}
\titleformat{\section}[display] 
{\bfseries\normalsize}
{}
{5pt}
{\color{blue}\thesection~~ #1}
\titleformat{name=\section, numberless}[display]
{\bfseries\normalsize}
{}
{5pt}
{#1}

\titleformat{\subsection}[display]
{\itshape\normalsize}
{}
{5pt}
{\color{blue}\thesection~~ #1}

\fancypagestyle{plain}
{
   \fancyhf{}
   \fancyfoot{}
   \renewcommand{\headrulewidth}{0 mm}
}

\title{Title}
\author{Author}
\date{}
\textwidth=13cm
\begin{document}

\maketitle

\chapter{Random}

\section{Lipsum}

\lipsum[2]

\subsection{Subsection}

\lipsum[1]
\end{document}

我知道这不是最完美的解决方案，而且可能有更简单的方法来实现它，但至少它完成了任务！希望它能对某人有所帮助。