使用 Tikz 从章节缩略图中提取线条

Question 1

以下是使用该软件包的解决方案（已编辑）thumbs，如评论中所要求。我删除了旧的解决方案，因为我认为该thumbs软件包的高级行为本质上总是更可取。

抱歉，我从零开始，因为我不确定您的 MWE 中实际上需要什么。

概述

为了获得图形，我们使用from覆盖\rulewithin命令\th@mbprint\patchcmdetoolbox
我们使用包装\th@mbposyA的长度来确定线的长度thumbs\paperheight
我们附加到\chaptermark以存储章节标题\chap@title，然后将其轮换到受保护的组中\chaptitle
我们还使用\apptocmdfrom在每个之后etoolbox调用\addthumb\chapter

平均能量损失

\documentclass{book}
\usepackage[a6paper]{geometry} % demo only
\usepackage{lipsum}            % demo only
% <solution>
\usepackage[width=1cm,height=3cm,distance=2mm]{thumbs} % for thumbs
\usepackage{etoolbox}   % fot patching
\usepackage{tikz}       % for drawing
\usetikzlibrary{arrows} % for "-o"
\definecolor{mybluei}{RGB}{0,173,239}
\makeatletter
\newcommand{\fancyrule}[2]{%
%  \rule{#1}{#2} % DEBUG: original thumbs behaviour
  \ifodd\c@CurrentPage\def\sign{+}\else\def\sign{-}\fi % flip stuff
  \begin{tikzpicture}
    \useasboundingbox (0,0) rectangle ++ (#1,#2); % same placement
    \fill[\th@mbbackgroundcolourA] % color block
         (#1,#2) rectangle
         (0,0) --
      ++ (+0.5#1,-0.5#1) --
      ++ (+0.5#1,+0.5#1);
    \draw[\th@mbbackgroundcolourA,ultra thick,-o] % middle line
         (0.5#1,#2) --
      ++ (0,\th@mbposyA-#2-\paperheight+2#1) --
      ++ (\sign1.5#1,-1.5#1);
    \draw[\th@mbbackgroundcolourA,ultra thick,-o] % inner line
         (0.5#1\sign0.5#1,#2) --
      ++ (0,\th@mbposyA-#2-\paperheight+2.212#1) --
      ++ (\sign1.0#1,-1.0#1);
%    \draw[red,dashed] (0,0) rectangle (#1,#2); % DEBUG: same as original
  \end{tikzpicture}
}
\patchcmd{\th@mbprint}{\rule}{\fancyrule}{}{} % patch the "rule"
\newcommand{\chaptitle}{% for rotating the thumbs content
  \ifodd\c@CurrentPage\def\sign{-}\else\def\sign{+}\fi
  \rotatebox{\sign90}{\chap@title}
}
\let\ochaptermark\chaptermark % for storing the chapter title
\def\chaptermark#1{\def\chap@title{#1}\ochaptermark{#1}}
\apptocmd{\@chapter}{% add thumb after every chapter command
  \addthumb{\thechapter}{\sffamily \protect\chaptitle}{white}{mybluei}
}{}{}
\makeatother
% </solution>
\begin{document}
  \pagenumbering{arabic}
  \chapter{Problems}
  \lipsum[1-2]
  \section{Hard Ones}
  \lipsum[3-4]
  \cleardoublepage
  \chapter{Solutions}
  \lipsum[1-2]
  \appendix
  \chapter{Miscellaneous}
  \lipsum[1-2]
\end{document}

输出

（a6paper非常小，所以我们可以看到多个页面）

Answer

以下是使用该软件包的解决方案（已编辑）thumbs，如评论中所要求。我删除了旧的解决方案，因为我认为该thumbs软件包的高级行为本质上总是更可取。

抱歉，我从零开始，因为我不确定您的 MWE 中实际上需要什么。

概述

为了获得图形，我们使用from覆盖\rulewithin命令\th@mbprint\patchcmdetoolbox
我们使用包装\th@mbposyA的长度来确定线的长度thumbs\paperheight
我们附加到\chaptermark以存储章节标题\chap@title，然后将其轮换到受保护的组中\chaptitle
我们还使用\apptocmdfrom在每个之后etoolbox调用\addthumb\chapter

平均能量损失

\documentclass{book}
\usepackage[a6paper]{geometry} % demo only
\usepackage{lipsum}            % demo only
% <solution>
\usepackage[width=1cm,height=3cm,distance=2mm]{thumbs} % for thumbs
\usepackage{etoolbox}   % fot patching
\usepackage{tikz}       % for drawing
\usetikzlibrary{arrows} % for "-o"
\definecolor{mybluei}{RGB}{0,173,239}
\makeatletter
\newcommand{\fancyrule}[2]{%
%  \rule{#1}{#2} % DEBUG: original thumbs behaviour
  \ifodd\c@CurrentPage\def\sign{+}\else\def\sign{-}\fi % flip stuff
  \begin{tikzpicture}
    \useasboundingbox (0,0) rectangle ++ (#1,#2); % same placement
    \fill[\th@mbbackgroundcolourA] % color block
         (#1,#2) rectangle
         (0,0) --
      ++ (+0.5#1,-0.5#1) --
      ++ (+0.5#1,+0.5#1);
    \draw[\th@mbbackgroundcolourA,ultra thick,-o] % middle line
         (0.5#1,#2) --
      ++ (0,\th@mbposyA-#2-\paperheight+2#1) --
      ++ (\sign1.5#1,-1.5#1);
    \draw[\th@mbbackgroundcolourA,ultra thick,-o] % inner line
         (0.5#1\sign0.5#1,#2) --
      ++ (0,\th@mbposyA-#2-\paperheight+2.212#1) --
      ++ (\sign1.0#1,-1.0#1);
%    \draw[red,dashed] (0,0) rectangle (#1,#2); % DEBUG: same as original
  \end{tikzpicture}
}
\patchcmd{\th@mbprint}{\rule}{\fancyrule}{}{} % patch the "rule"
\newcommand{\chaptitle}{% for rotating the thumbs content
  \ifodd\c@CurrentPage\def\sign{-}\else\def\sign{+}\fi
  \rotatebox{\sign90}{\chap@title}
}
\let\ochaptermark\chaptermark % for storing the chapter title
\def\chaptermark#1{\def\chap@title{#1}\ochaptermark{#1}}
\apptocmd{\@chapter}{% add thumb after every chapter command
  \addthumb{\thechapter}{\sffamily \protect\chaptitle}{white}{mybluei}
}{}{}
\makeatother
% </solution>
\begin{document}
  \pagenumbering{arabic}
  \chapter{Problems}
  \lipsum[1-2]
  \section{Hard Ones}
  \lipsum[3-4]
  \cleardoublepage
  \chapter{Solutions}
  \lipsum[1-2]
  \appendix
  \chapter{Miscellaneous}
  \lipsum[1-2]
\end{document}

输出

（a6paper非常小，所以我们可以看到多个页面）

Question 2

这是扩展版本，可以移动并环绕。它基于 @jessexknight 的示例。

\documentclass{book}
\usepackage{lipsum}
\usepackage{atbegshi}
\usepackage{tikz}
\usetikzlibrary{arrows}
\usetikzlibrary{math}

\makeatletter
\newlength\ctw % half width
\newlength\cth % height
\newlength\ctx % x-offset
\newlength\ctf
\newlength\cttopmargin % top margin of first thumb
\newlength\ct@top % current top
\setlength\ct@top{\paperheight}

\newcommand\my@thumb{}
\newcommand\thumb[1]{%
  \def\my@thumb{\sffamily\normalsize\bfseries #1}%
  \addtolength\ct@top{\cth}% old \cth
  \settowidth\cth{\my@thumb}% new \cth
  \addtolength\cth{20pt}% label margin
  \ifdim \dimexpr\ct@top+\cth\relax > \dimexpr\paperheight-6\ctw\relax
    \setlength\ct@top\cttopmargin
  \fi
}

\newcommand\nothumbs{\def\my@thumb{}}
\nothumbs

\AtBeginShipout{%
  \AtBeginShipoutUpperLeft{%
    \ifodd\c@page
      \setlength\ctx{\paperwidth}%
      \setlength\ctf{+1\ctw}%
    \else
      \setlength\ctx{0in}%
      \setlength\ctf{-1\ctw}%
    \fi
    \ifx\@empty\my@thumb\else  
    \begin{tikzpicture}[overlay,xshift=\ctx]
      \tikzmath{%
        \ct@top@ = \ct@top / -1cm;
        \ct@ht = \cth / 1cm;
        \ct@label = \ct@top@ - \ct@ht / 2;
      }%
      \fill[thumb] (0,\ct@top@) rectangle
            ++ (-2\ctf,-1\cth)
         -- ++ (+1\ctf,-1\ctw)
         -- ++ (+1\ctf,+1\ctw);
      \draw[thumb,ultra thick,-o] (-1\ctf,\ct@top@)
         -- (-1\ctf,-\paperheight+4\ctw)
         -- ++ (-3\ctf,-3\ctw);
      \draw[thumb,ultra thick,-o] (-2\ctf,\ct@top@)
         -- (-2\ctf,-\paperheight+4.414\ctw)
         -- ++ (-2\ctf,-2\ctw);
      \node[white] at (-\ctf,\ct@label) {\rotatebox{90}{\my@thumb}};
    \end{tikzpicture}%
    \fi
  }}
\makeatother

%
% user interface
%
\setlength\ctw{0.2in}% half width of thumb
\setlength\cttopmargin{20mm}% top margin of first thumb
\definecolor{thumb}{RGB}{0,173,239}% color of thumb

% set thumb with: \thumb{foobar}
% stop thumbs with: \nothumbs


\begin{document}
\chapter{No thumbs here}\lipsum[1-6]
\chapter{XXX 1}\thumb{Lorem ipsum}\lipsum[1-6]
\chapter{XXX 2}\thumb{Dolor}\lipsum[1-6]
\chapter{XXX 3}\thumb{Sit a met consectetuer}\lipsum[1-6]
\chapter{XXX 4}\thumb{Adipiscing elit}\lipsum[1-6]
\chapter{XXX 5}\thumb{Ut purus elit vestibulum ut}\lipsum[1-6]
\chapter{XXX 6}\thumb{Nunc eleifend consequat lorem}\lipsum[1-6]
\chapter{XXX 7}\thumb{Molestie vitae placerat}\lipsum[1-6]
\chapter{XXX 8}\thumb{Tortor gravida sapien}\lipsum[1-6]
\appendix
\chapter{AAA 1}\thumb{Phasellus eu tellu}\lipsum[1-6]
\chapter{AAA 2}\thumb{Praesent eget sem vel leo}\lipsum[1-6]
\chapter{Again no thumbs}\nothumbs\lipsum[1-6]
\end{document}

Answer

这是扩展版本，可以移动并环绕。它基于 @jessexknight 的示例。

\documentclass{book}
\usepackage{lipsum}
\usepackage{atbegshi}
\usepackage{tikz}
\usetikzlibrary{arrows}
\usetikzlibrary{math}

\makeatletter
\newlength\ctw % half width
\newlength\cth % height
\newlength\ctx % x-offset
\newlength\ctf
\newlength\cttopmargin % top margin of first thumb
\newlength\ct@top % current top
\setlength\ct@top{\paperheight}

\newcommand\my@thumb{}
\newcommand\thumb[1]{%
  \def\my@thumb{\sffamily\normalsize\bfseries #1}%
  \addtolength\ct@top{\cth}% old \cth
  \settowidth\cth{\my@thumb}% new \cth
  \addtolength\cth{20pt}% label margin
  \ifdim \dimexpr\ct@top+\cth\relax > \dimexpr\paperheight-6\ctw\relax
    \setlength\ct@top\cttopmargin
  \fi
}

\newcommand\nothumbs{\def\my@thumb{}}
\nothumbs

\AtBeginShipout{%
  \AtBeginShipoutUpperLeft{%
    \ifodd\c@page
      \setlength\ctx{\paperwidth}%
      \setlength\ctf{+1\ctw}%
    \else
      \setlength\ctx{0in}%
      \setlength\ctf{-1\ctw}%
    \fi
    \ifx\@empty\my@thumb\else  
    \begin{tikzpicture}[overlay,xshift=\ctx]
      \tikzmath{%
        \ct@top@ = \ct@top / -1cm;
        \ct@ht = \cth / 1cm;
        \ct@label = \ct@top@ - \ct@ht / 2;
      }%
      \fill[thumb] (0,\ct@top@) rectangle
            ++ (-2\ctf,-1\cth)
         -- ++ (+1\ctf,-1\ctw)
         -- ++ (+1\ctf,+1\ctw);
      \draw[thumb,ultra thick,-o] (-1\ctf,\ct@top@)
         -- (-1\ctf,-\paperheight+4\ctw)
         -- ++ (-3\ctf,-3\ctw);
      \draw[thumb,ultra thick,-o] (-2\ctf,\ct@top@)
         -- (-2\ctf,-\paperheight+4.414\ctw)
         -- ++ (-2\ctf,-2\ctw);
      \node[white] at (-\ctf,\ct@label) {\rotatebox{90}{\my@thumb}};
    \end{tikzpicture}%
    \fi
  }}
\makeatother

%
% user interface
%
\setlength\ctw{0.2in}% half width of thumb
\setlength\cttopmargin{20mm}% top margin of first thumb
\definecolor{thumb}{RGB}{0,173,239}% color of thumb

% set thumb with: \thumb{foobar}
% stop thumbs with: \nothumbs


\begin{document}
\chapter{No thumbs here}\lipsum[1-6]
\chapter{XXX 1}\thumb{Lorem ipsum}\lipsum[1-6]
\chapter{XXX 2}\thumb{Dolor}\lipsum[1-6]
\chapter{XXX 3}\thumb{Sit a met consectetuer}\lipsum[1-6]
\chapter{XXX 4}\thumb{Adipiscing elit}\lipsum[1-6]
\chapter{XXX 5}\thumb{Ut purus elit vestibulum ut}\lipsum[1-6]
\chapter{XXX 6}\thumb{Nunc eleifend consequat lorem}\lipsum[1-6]
\chapter{XXX 7}\thumb{Molestie vitae placerat}\lipsum[1-6]
\chapter{XXX 8}\thumb{Tortor gravida sapien}\lipsum[1-6]
\appendix
\chapter{AAA 1}\thumb{Phasellus eu tellu}\lipsum[1-6]
\chapter{AAA 2}\thumb{Praesent eget sem vel leo}\lipsum[1-6]
\chapter{Again no thumbs}\nothumbs\lipsum[1-6]
\end{document}

使用 Tikz 从章节缩略图中提取线条

答案1

概述

平均能量损失

输出

答案2

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