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彩色章节页面标记

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彩色章节页面标记

我一直在尝试使用 KOMA 和 TikZ 在页码周围使用彩色样本来指示章节；每个章节的文本上方还有一个相同颜色的破折号，以增添风格。颜色在每个章节之前使用 定义\chaptercolor{colorname}，其中\chaptercolor定义为\newcommand{\chaptercolor}[1]{\colorlet{chaptercolor}{#1}}。

\chaptercolor必须在章节之前调用该命令来设置线条色板，但这会导致前一页的颜色色板也发生变化。我还尝试创建第二个\swatchcolor命令来单独更改章节线条标记的色板，这会导致新章节之前的页面获得色板的默认颜色。

我该如何避免这种情况？

我尝试了各种 KOMA 选项组合（例如cleardoublepage，open），但似乎都没有我想要的效果。甚至在 的定义中添加\clearpagebefore似乎也不起作用。这是一个几乎有效的 MWE。\colorlet\chaptercolor

\documentclass{scrbook}
\usepackage{scrlayer-scrpage}

%% KOMA options
\KOMAoption{chapterprefix}{true}
\KOMAoption{cleardoublepage}{empty}
\KOMAoption{DIV}{12}
\KOMAoption{draft}{false}
\KOMAoption{fontsize}{11pt}
\KOMAoption{headings}{normal}
\KOMAoption{open}{any}
\KOMAoption{paper}{a4}
\KOMAoption{parskip}{half}
\KOMAoption{twoside}{semi}
\KOMAoption{titlepage}{false}

%% Subfiles for shared preambles
\usepackage[math]{blindtext}

%% Colours - put this before typography so additional named colours can be defined.
\usepackage[table]{xcolor}
\colorlet{darkblue}{blue!40!black}
\usepackage{tikz}
\tikzset{%
  small wedge/.pic={
    \fill (0, 0) -- ++(-1.2, 0) -- ++(0, 0.6) -- ++(0.6, 0) -- ++(0, 0.6) -- ++(0.6, 0) -- cycle;
  },
}

\setkomafont{pagehead}{\small\color{darkblue}\selectfont}
\setkomafont{pagenumber}{\small\color{darkblue}\selectfont}

% Chapters are now "Tutorials"
% Chapters have an em-dash that is \chaptercolor
\newcommand{\chaptercolor}[1]{\colorlet{chaptercolor}{#1}}
\chaptercolor{white}
\renewcommand*{\chapapp}{Tutorial}
\renewcommand*{\chapterheadstartvskip}{\vspace*{-\topskip}}
\renewcommand\chapterformat{{\fontsize{50}{50}\upshape\selectfont\textcolor{chaptercolor}{—}\par\nobreak\chapapp~\thechapter}}

%% Use this to set up the headers and footers
\DeclareNewLayer[
  bottommargin,
  background,
  evenpage,
  mode=picture,
  contents={%
    \putLR{%
      \begin{tikzpicture}[remember picture, overlay]
        \path pic[fill=chaptercolor, transform shape] at (0,0) {small wedge};
        \node[align=right] at (-10mm, 10mm) {\pagemark};
      \end{tikzpicture}
    }
}]{wedge.even}
\DeclareNewLayer[
  bottommargin,
  background,
  oddpage,
  mode=picture,
  contents={%
    \putLL{%
      \begin{tikzpicture}[remember picture, overlay]
        \path pic[fill=chaptercolor, transform shape, xscale=-1] at (0,0) {small wedge};
        \node[align=left] at (10mm, 10mm) {\pagemark};
      \end{tikzpicture}
    }
}]{wedge.odd}

\AddLayersAtBeginOfPageStyle{scrheadings}{wedge.odd,wedge.even}%
\pagestyle{scrheadings}
\renewcommand*{\chapterpagestyle}{scrheadings}
\clearscrheadfoot
\lohead{This is a test}
\rehead{\leftmark}

\DeclareGraphicsExtensions{.pdf,.png,.jpg}

% % Metadata goes here
\titlehead{Test document}
\subject{Test subject}
\title{Testing of page number colors}

\makeatletter
\let\thetitle\@title
\let\theauthor\@author
\let\thedate\@date
\makeatother

\begin{document}

\frontmatter
\maketitle

\tableofcontents

\mainmatter
\setcounter{secnumdepth}{1}

\chaptercolor{cyan!50}
\chapter{The first chapter of this work}

\blindtext
\blindmathpaper
\blindtext

\chaptercolor{magenta!50}
\chapter{Another chapter to test this thing}

\blindmathpaper
\Blinditemize
\blindtext[10]

\chaptercolor{orange!50}
\chapter{Another chapter to test this thing}

\blindmathpaper
\Blindenumerate
\blindtext[12]

\chaptercolor{green!50}
\chapter{Another chapter to test this thing}

\blindmathpaper
\Blinddescription
\blindtext[20]

\end{document}

我已经根据其他问题制定了 MWE 的部分内容，但我还没有找到或想出一个完全符合我要求的解决方案。经过进一步思考，我喜欢能够分别设置两种颜色的想法，但重要的是，颜色更改必须仅在新章节之后生效。

答案1

现在\chaptercolor定义一个， 当执行时，newchaptercolor它将变为，而它又用于一切。此颜色变化通过 进行广播。chaptercolor\chapter\globalcolorstrue

\documentclass{scrbook}
\usepackage{scrlayer-scrpage}
%% KOMA options
\KOMAoption{chapterprefix}{true}
\KOMAoption{cleardoublepage}{empty}
\KOMAoption{DIV}{12}
\KOMAoption{draft}{false}
\KOMAoption{fontsize}{11pt}
\KOMAoption{headings}{normal}
\KOMAoption{open}{any}
\KOMAoption{paper}{a4}
\KOMAoption{parskip}{half}
\KOMAoption{twoside}{semi}
\KOMAoption{titlepage}{false}

%% Subfiles for shared preambles
\usepackage[math]{blindtext}

%% Colours - put this before typography so additional named colours can be defined.
\usepackage[table]{xcolor}
\colorlet{darkblue}{blue!40!black}
\usepackage{tikz}
\tikzset{%
  small wedge/.pic={
    \fill (0, 0) -- ++(-1.2, 0) -- ++(0, 0.6) -- ++(0.6, 0) -- ++(0, 0.6) -- ++(0.6, 0) -- cycle;
  },
}

\setkomafont{pagehead}{\small\color{darkblue}\selectfont}
\setkomafont{pagenumber}{\small\color{darkblue}\selectfont}

% Chapters are now "Tutorials"
% Chapters have an em-dash that is \chaptercolor
\newcommand{\chaptercolor}[1]{\colorlet{newchaptercolor}{#1}}
\chaptercolor{white}\colorlet{chaptercolor}{white}
\renewcommand*{\chapapp}{Tutorial}
\renewcommand*{\chapterheadstartvskip}{\vspace*{-\topskip}}
\renewcommand\chapterformat{{\fontsize{50}{50}\upshape\selectfont%
\globalcolorstrue\colorlet{chaptercolor}{newchaptercolor}\textcolor{chaptercolor}{-}\par\nobreak\chapapp~\thechapter}}

%% Use this to set up the headers and footers
\DeclareNewLayer[
  bottommargin,
  background,
  evenpage,
  mode=picture,
  contents={%
    \putLR{%
      \begin{tikzpicture}[remember picture, overlay]
        \path pic[fill=chaptercolor, transform shape] at (0,0) {small wedge};
        \node[align=right] at (-10mm, 10mm) {\pagemark};
      \end{tikzpicture}
    }
}]{wedge.even}
\DeclareNewLayer[
  bottommargin,
  background,
  oddpage,
  mode=picture,
  contents={%
    \putLL{%
      \begin{tikzpicture}[remember picture, overlay]
        \path pic[fill=chaptercolor, transform shape, xscale=-1] at (0,0) {small wedge};
        \node[align=left] at (10mm, 10mm) {\pagemark};
      \end{tikzpicture}
    }
}]{wedge.odd}

\AddLayersAtBeginOfPageStyle{scrheadings}{wedge.odd,wedge.even}%
\pagestyle{scrheadings}
\renewcommand*{\chapterpagestyle}{scrheadings}
\clearscrheadfoot
\lohead{This is a test}
\rehead{\leftmark}

\DeclareGraphicsExtensions{.pdf,.png,.jpg}

% % Metadata goes here
\titlehead{Test document}
\subject{Test subject}
\title{Testing of page number colors}

\makeatletter
\let\thetitle\@title
\let\theauthor\@author
\let\thedate\@date
\makeatother

\begin{document}

\frontmatter
\maketitle

\tableofcontents

\mainmatter
\setcounter{secnumdepth}{1}

\chaptercolor{cyan!50}
\chapter{The first chapter of this work}
\blindtext
\blindmathpaper
\blindtext

\chaptercolor{magenta!50}
\chapter{Another chapter to test this thing}

\blindmathpaper
\Blinditemize
\blindtext[10]


\chaptercolor{orange!50}
\chapter{Another chapter to test this thing}


\blindmathpaper
\Blindenumerate
\blindtext[12]


\chaptercolor{green!50}
\chapter{Another chapter to test this thing}

\blindmathpaper
\Blinddescription
\blindtext[20]

\end{document}

答案2

一种方法是将\clearpage（或\cleardoublepage）添加到\chaptercolor命令中

 \newcommand{\chaptercolor}[1]{\clearpage\colorlet{chaptercolor}{#1}}

另一种方法是使用当前 KOMA 提供的钩子之一。然后您必须更改颜色的初始化代码：

\colorlet{chaptercolor}{white} %init
\newcommand{\chaptercolor}[1]{%
  \AddtoOneTimeDoHook{heading/postinit/chapter}{\colorlet{chaptercolor}{#1}}}

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