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Bytefield 包

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Bytefield 包

我使用的bytefield代码如下

\documentclass[]{beamer}

\usepackage[T1]{fontenc} 
\usepackage[brazil]{babel}  
\usepackage[utf8]{inputenc}

\usepackage{bytefield}

\begin{document}

\begin{frame}[fragile]
   \begin{bytefield}{32}
      \bitheader[endianness=big]{0,22,23,30,31} \\
      \bitbox{1}{s} & \bitbox{8}{\textcolor{red}{E}} & \bitbox{23}{f - mantissa}
   \end{bytefield}

\end{frame}

\end{document}

我想将命令更改\bitheader为使用与上一张图片相同的尺寸显示{0, 51, 52, 62, 63}。

答案1

bytefield据我所知，该软件包不提供此功能。有一个有点 hack 的解决方案。它捕获通过 设置和格式化位数的时间\bf@bitformatting。位数存储在计数器中header@val。该 hack 在本地更改应替换的数字的值。

\documentclass[]{beamer}

\usepackage[T1]{fontenc}
\usepackage[brazil]{babel}
\usepackage[utf8]{inputenc}

\usepackage{bytefield}

\begin{document}

\begin{frame}[fragile]

  \begin{bytefield}{32}
    \bitheader[endianness=big]{0,22,23,30,31} \\
    \bitbox{1}{s} & \bitbox{8}{\textcolor{red}{E}}
    & \bitbox{23}{f - mantissa}
  \end{bytefield}

  \bigskip

  \begingroup
    \makeatletter
    \let\saved@bf@bitformatting\bf@bitformatting
    \renewcommand*{\bf@bitformatting}{%
      \ifnum\value{header@val}=22 %
        \value{header@val}=51 %
      \else\ifnum\value{header@val}=23 %
        \value{header@val}=52 %
      \else\ifnum\value{header@val}=30 %
        \value{header@val}=62 %
      \else\ifnum\value{header@val}=31 %
        \value{header@val}=63 %
      \fi\fi\fi\fi
      \saved@bf@bitformatting
    }%
    \begin{bytefield}{32}
      \bitheader[endianness=big]{0,22,23,30,31} \\
      \bitbox{1}{s} & \bitbox{8}{\textcolor{red}{E}}
      & \bitbox{23}{f - mantissa}
    \end{bytefield}
  \endgroup

\end{frame}

\end{document}

结果

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