我想画一条重复线，即一条水平线，中间有两个小标记。
我的第一次尝试是\dittoLatex使用带有字符和规则的盒子，但坦率地说很丑陋。
我的第二次尝试\dittotikzA看起来好多了，但并没有根据参数自动计算它的宽度。
我的第三次尝试是\dittotikzB使用与 相同的方法来计算宽度\dittoLatex，但不起作用。我怀疑问题出在单位不匹配，但我不知道如何修复它。
梅威瑟：
\documentclass{article}
\usepackage[showframe]{geometry}
\usepackage{xparse}
\makeatletter
\usepackage{tikz}
\usetikzlibrary{math}
\newcommand\dittotikzA[1][3em]{%
\def\x{#1/4}%
%\show\x%
\def\y{#1*.01}%
\begin{tikzpicture}[x=1ex,y=1ex,baseline=-.5ex,cap=round]
\draw (0,0) sin (1*\x,\y) cos (2*\x,0) sin (3*\x,-\y) cos (4*\x,0);
\draw[xshift=-.2ex, bend right=20] (2*\x-.5,-.5) edge (2*\x+.5,.5);
\draw[xshift=.2ex, bend right=20] (2*\x-.5,-.5) edge (2*\x+.5,.5);
\end{tikzpicture}%
}
\newlength{\ditto@width}
\NewDocumentCommand\dittotikzB{ s O{1em} m }{%
% #1 = starred means horizontal line along entire width, unstarred means no line (only ditto marks)
% #2 = minimum width
% #3 = string to use for calculating width
\settowidth{\ditto@width}{#3}%
%\show\ditto@width%
\edef\w{\ifdim#2<\ditto@width\the\ditto@width\else#2\fi}
%\show\w%
\begin{tikzpicture}[x=1ex,y=1ex,baseline=-.5ex,cap=round]
\tikzmath{
\xfactor = \w / 4 * 1pt/1ex;
\yfactor = .175;
};
%\show\xfactor;
%\show\yfactor;
\IfBooleanT{#1}{% starred
\draw (0,0) sin (1\xfactor, \yfactor) cos (2\xfactor, 0) sin (3\xfactor, -\yfactor) cos (4\xfactor, 0);
};
\draw[xshift=-.2ex, bend right=20] (2\xfactor - .5, -.5) edge (2\xfactor + .5, .5);
\draw[xshift=.2ex, bend right=20] (2\xfactor - .5, -.5) edge (2\xfactor + .5, .5);
\end{tikzpicture}%
}
\usepackage{xhfill}
\newcommand\ditto@symbol{%
||%
}
\NewDocumentCommand\dittoLatex{ s O{1em} m }{%
% #1 = starred means horizontal line along entire width, unstarred means no line (only ditto marks)
% #2 = minimum width
% #3 = string to use for calculating width
\settowidth{\ditto@width}{#3}%
\makebox[{\ifdim#2<\ditto@width\ditto@width\else#2\fi}]{%
\IfBooleanTF{#1}{% starred
\xrfill[.5ex]{.4pt}%
\ditto@symbol%
\xrfill[.5ex]{.4pt}%
}{%
\ditto@symbol%
}%
}%
}
\makeatother
\begin{document}
\let\ditto=\dittotikzA
\noindent
blah blah \ditto{} blah blah\\
blah blah \ditto[10em]{} blah blah\\
\let\ditto=\dittotikzB
\noindent
blah blah Test blah blah\\
blah blah \ditto{Test} blah blah\\
blah blah \ditto*{Test} blah blah\\
blah blah Testing testing blah blah\\
blah blah \ditto{Testing testing} blah blah\\
blah blah \ditto*{Testing testing} blah blah\\
blah blah \ditto{} blah blah\\
blah blah \ditto*{} blah blah\\
blah blah \ditto[10em]{Test} blah blah\\
blah blah \ditto*[10em]{Test} blah blah\\
blah blah \ditto[10em]{Testing testing} blah blah\\
blah blah \ditto*[10em]{Testing testing} blah blah\\
blah blah \ditto[10em]{} blah blah\\
blah blah \ditto*[10em]{} blah blah\\
\let\ditto=\dittoLatex
\noindent
blah blah Test blah blah\\
blah blah \ditto{Test} blah blah\\
blah blah \ditto*{Test} blah blah\\
blah blah Testing testing blah blah\\
blah blah \ditto{Testing testing} blah blah\\
blah blah \ditto*{Testing testing} blah blah\\
blah blah \ditto{} blah blah\\
blah blah \ditto*{} blah blah\\
blah blah \ditto[10em]{Test} blah blah\\
blah blah \ditto*[10em]{Test} blah blah\\
blah blah \ditto[10em]{Testing testing} blah blah\\
blah blah \ditto*[10em]{Testing testing} blah blah\\
blah blah \ditto[10em]{} blah blah\\
blah blah \ditto*[10em]{} blah blah\\
\end{document}
一些相关问题：
- 有同上符号吗？（有 tikz）
- 我如何做重复标记？
- 引用（重复标记）以避免重复文本
- “同上”表示法
答案1
您忘记了乘法符号。4\xfactor 不是 4*\xfactor。
\documentclass{article}
\usepackage[showframe]{geometry}
\usepackage{xparse}
\makeatletter
\usepackage{tikz}
\usetikzlibrary{math}
\newcommand\w{}
\newlength{\ditto@width}
\NewDocumentCommand\dittotikzB{ s O{1em} m }{%
% #1 = starred means horizontal line along entire width, unstarred means no line (only ditto marks)
% #2 = minimum width
% #3 = string to use for calculating width
\settowidth{\ditto@width}{#3}%
%\show\ditto@width%
\edef\w{\ifdim#2<\ditto@width\the\ditto@width\else\dimexpr#2\relax\fi}
%\show\w%
\begin{tikzpicture}[x=1ex,y=1ex,baseline=-.5ex,cap=round]
\tikzmath{
\xfactor = \w / 4 * 1pt/1ex;
\yfactor = .175;
};
%\show\xfactor;
%\show\yfactor;
\IfBooleanT{#1}{% starred
\draw (0,0) sin (1*\xfactor, \yfactor) cos (2*\xfactor, 0) sin (3*\xfactor, -\yfactor) cos (4*\xfactor, 0);
};
\draw[xshift=-.2ex, bend right=20] (2*\xfactor - .5, -.5) edge (2*\xfactor + .5, .5);
\draw[xshift=.2ex, bend right=20] (2*\xfactor - .5, -.5) edge (2*\xfactor + .5, .5);
\end{tikzpicture}%
}
\makeatother
\begin{document}
\let\ditto=\dittotikzB
\noindent
blah blah Test blah blah\\
blah blah \ditto{Test} blah blah\\
blah blah \ditto*{Test} blah blah\\
blah blah Testing testing blah blah\\
blah blah \ditto{Testing testing} blah blah\\
blah blah \ditto*{Testing testing} blah blah\\
blah blah \ditto{} blah blah\\
blah blah \ditto*{} blah blah\\
blah blah \ditto[10em]{Test} blah blah\\
blah blah \ditto*[10em]{Test} blah blah\\
blah blah \ditto[10em]{Testing testing} blah blah\\
blah blah \ditto*[10em]{Testing testing} blah blah\\
blah blah \ditto[10em]{} blah blah\\
blah blah \ditto*[10em]{} blah blah\\
\end{document}