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是否有一个 LaTeX 包可以在文本或段落周围绘制一个框架 - 形状与文本相同（而不是像框那样的矩形）？

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是否有一个 LaTeX 包可以在文本或段落周围绘制一个框架 - 形状与文本相同（而不是像框那样的矩形）？

对于一些有意为之的诗歌形式，如果能在文本和诗行周围画一个框架，可能会有一定的用处。这不像一个简单的矩形框，而是适合诗行的形状。

如果有的话，感谢您提供一些提示。

梅威瑟：

\documentclass{report}

\begin{document}
    
\centering
This is\\
an example  \\
how it can be\\
and should\\
appear.

\vspace*{\baselineskip}
Without \\
the lines \\
around it. Can you\\
imagine the\\
lines?

\end{document}

文本周围的线条需要想象。有没有方法或包可以将线条绘制得紧贴文本边框。Not一个矩形框！

参见下面的图像文件： 在此处输入图片描述

初看tikz软件包，下面的代码似乎可以解决问题，但似乎还不令人满意。原因：外线和内线之间的分隔不够。我试过了，inner sep=5mm但没有效果（未包括在下面的代码中）。

\documentclass{report}
\usepackage{tikz}
\usetikzlibrary{tikzmark}
\begin{document}
    
\centering
\tikzmark{A} \qquad \tikzmark{N}\\
\tikzmark{B} This is \tikzmark{M}\\
\tikzmark{C} an example \tikzmark{L}    \\
\tikzmark{D} how it can be \tikzmark{K}\\
\tikzmark{E} and should \tikzmark{J}\\
\tikzmark{F} appear. \tikzmark{I}\\
\tikzmark{G} \qquad \tikzmark{H} 

\tikz[remember picture] \draw[overlay,thick,rounded corners=6pt] (pic cs:A) -- (pic cs:B) -- (pic cs:C) -- (pic cs:D) -- (pic cs:E) -- (pic cs:F) -- (pic cs:G) -- (pic cs:H) -- (pic cs:I) -- (pic cs:J) -- (pic cs:K) -- (pic cs:L) -- (pic cs:M) -- (pic cs:N) -- cycle;

\vspace*{\baselineskip}

\tikzmark{a} \qquad \tikzmark{n}\\
\tikzmark{b} Without \tikzmark{m}\\
\tikzmark{c} the lines \tikzmark{l}\\
\tikzmark{d} around it. Can you \tikzmark{k}\\
\tikzmark{e} imagine the \tikzmark{j}\\
\tikzmark{f} lines? \tikzmark{i}\\
\tikzmark{g} \qquad \tikzmark{h}

\tikz[remember picture] \draw[overlay,thick,rounded corners=6pt] (pic cs:a) -- (pic cs:b) -- (pic cs:c) -- (pic cs:d) -- (pic cs:e) -- (pic cs:f) -- (pic cs:g) -- (pic cs:h) -- (pic cs:i) -- (pic cs:j) -- (pic cs:k) -- (pic cs:l) -- (pic cs:m) -- (pic cs:n) -- cycle;

\end{document}

在此处输入图片描述

答案1

\draw plot[smooth cycle, thick] coordinates { ... }可能会产生更好的结果，同时将\tikzmarksa 稍微向上移动。tension=...您可能会得到一些有趣的、可能不太可预见的效果。

在此处输入图片描述

\documentclass{report}
\usepackage{tikz}
\usetikzlibrary{tikzmark}
\newcommand\ml[3]{% marked line
  \raisebox{0.5ex}[0ex][0ex]{\tikzmark{#1}}\quad
  #2\quad
  \raisebox{0.5ex}[0ex][0ex]{\tikzmark{#3}}%
}
\begin{document}
    
\begin{center}
  \ml A{}N\\
  \ml B{This is}M\\
  \ml C{an example}L\\
  \ml D{how it can be}K\\
  \ml E{and should}J\\
  \ml F{appear.}I\\
  \ml G{}H
\end{center}
\tikz[remember picture,overlay] \draw plot[smooth cycle, thick]
coordinates {(pic cs:A) (pic cs:B) (pic cs:C) (pic cs:D) (pic cs:E)
  (pic cs:F) (pic cs:G) (pic cs:H) (pic cs:I) (pic cs:J) (pic cs:K)
  (pic cs:L) (pic cs:M) (pic cs:N)};

\begin{center}
  \ml a{}n\\
  \ml b{Without}m\\
  \ml c{the lines}l\\
  \ml d{around it. Can you}k\\
  \ml e{imagine the}j\\
  \ml f{lines?}i\\
  \ml g{}h
\end{center}
\tikz[remember picture,overlay] \draw plot[smooth cycle, thick]
coordinates {(pic cs:a) (pic cs:b) (pic cs:c) (pic cs:d) (pic cs:e)
  (pic cs:f) (pic cs:g) (pic cs:h) (pic cs:i) (pic cs:j) (pic cs:k)
  (pic cs:l) (pic cs:m) (pic cs:n)};

\begin{center}
  \ml 1{}{14}\\
  \ml 2{Without}{13}\\
  \ml 3{the lines}{12}\\
  \ml 4{around it. Can you}{11}\\
  \ml 5{imagine the}{10}\\
  \ml 6{lines?}9\\
  \ml 7{}8
\end{center}
\tikz[remember picture,overlay] \draw plot[smooth cycle, thick, tension=3]
coordinates {(pic cs:1) (pic cs:2) (pic cs:3) (pic cs:4) (pic cs:5)
  (pic cs:6) (pic cs:7) (pic cs:8) (pic cs:9) (pic cs:10) (pic cs:11)
  (pic cs:12) (pic cs:13) (pic cs:14)};
\end{document}

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