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获取类文件中的盒子尺寸

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获取类文件中的盒子尺寸

我想通过测量标题长度（实际上是高度）来调整论文类中标题后的垂直间距。为了实现此目的，我将标题放在一个框中并计算该框的总高度。

首先，定义标题及其样式的命令：

\newcommand{\UL@maintitle}{}
\newcommand{\titre}[1]{\renewcommand{\UL@maintitle}{#1}}
\newcommand*{\UL@fonttitle}{\normalfont\huge\bfseries\sffamily}

接下来是标题框：

\newsavebox{\UL@titlebox}
\sbox{\UL@titlebox}{%
  \begin{minipage}{\textwidth}
    \centering%
    \UL@fonttitle\UL@maintitle\par
  \end{minipage}}

最后计算盒子的总高度：

\newlength{\UL@titleboxtotht}
\setlength{\UL@titleboxtotht}{\dimexpr\ht\UL@titlebox+\dp\UL@titlebox}

这在 document ( .tex) 文件中运行良好。我得到的结果\UL@titleboxtotht是 48.48pt。使用 class ( .cls) 文件中定义的上述命令，我无法获得我正在寻找的尺寸；我只得到\UL@titleboxtotht2.73pt。似乎从未评估过框的实际内容。有什么想法吗？

答案1

你必须将测量推迟到知道标题的时候，也就是你正在扩展的时候\pagetitre；所以我想说

%% Here we play with the title (and subtitle)
\newsavebox{\UL@titlebox}
\newsavebox{\UL@subtitlebox}
\newlength{\UL@titleboxtotht}
\newlength{\UL@subtitleboxtotht}

\newcommand{\UL@measuretitle}{%
  \setbox\UL@titlebox=\vbox{\centering\UL@fonttitle\UL@maintitle}
  \setlength{\UL@titleboxtotht}{\dimexpr\ht\UL@titlebox+\dp\UL@titlebox}
  %% Repeat above commands for subtitle, if there is one
  \ifthenelse{\boolean{UL@hassubtitle}}{%
    \setbox\UL@subtitlebox=\vbox{\centering\UL@fontsubtitle\UL@subtitle}
    \setlength{\UL@subtitleboxtotht}{\dimexpr\ht\UL@subtitlebox+\dp\UL@subtitlebox}}
  {}%
}


%% Adjust spacing between title and "doc id" depending on height of
%% the title and subtitle block
\newlength{\UL@spacing}
\setlength{\UL@spacing}{90pt}

%% Define analogue of the \titlepage command   
\newcommand{\pagetitre}{{%
    \clearpage
    \thispagestyle{empty}
    \SingleSpacing\setlength{\parskip}{0pt}
    \centering
    \UL@fontbase
    %%%% COMPUTE THE DIMENSIONS
    \UL@measuretitle
    \addtolength{\UL@spacing}{-\UL@titleboxtotht}
    \addtolength{\UL@spacing}{-\UL@subtitleboxtotht}
    %%%%
    \ifthenelse{\UL@typenum > 1}{\vspace*{0pt}\par}{%
      \includegraphics[height=40px,keepaspectratio=true]{ul_p}\par}
    \vspace{72pt}
    \box\UL@titlebox
    \vspace{\baselineskip} %%%% SOME SPACE BETWEEN TITLE AND SUBTITLE
    \box\UL@subtitlebox
    \vspace{\UL@spacing}
    \UL@docid
    \vspace{72pt}
    {\UL@fontauthor\UL@author}\par
    \UL@details
    \vfill
    {\textcopyright} \UL@author, \UL@year\par
    \clearpage
  }}

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