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根据图形宽度决定 includegraphics 的放置位置

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根据图形宽度决定 includegraphics 的放置位置

如下面的 MWE 所示，我正在将 graphicsx 与 adjustbox 结合使用。我有一个包含许多图形的文档，并且想自动将超出文本宽度的图形放置在“内部”（而不是“中心”）。我花了很多时间使用 LaTeX，但这超出了我的能力范围，到目前为止，我对解决方案的搜索一直没有结果。感谢您的帮助！

PS 我的 MWE 可能可以更精简，但我已经包含了我在本文档中使用的所有与浮点数或图形有关的包。

\documentclass[
   paper=8.5in:11in,
   BCOR=0.5in,
   twoside=true
]{scrbook}
\areaset[0.5in]{5in}{8in}
\addtolength{\voffset}{0.5in}
\setlength{\marginparwidth}{0.5in}
\setlength{\marginparsep}{1in}
\usepackage[showframe,pass]{geometry}

\usepackage{scrhack}
\usepackage{float}
\usepackage{graphicx}
\usepackage[figurename=Example]{caption}
\usepackage{subcaption}
\usepackage{newfloat}

%% Adjust box adds "inner" and "center" options to includegraphics
\usepackage[export]{adjustbox}

\begin{document}

\mainmatter

I would like to match the behavior of this:

\begin{figure}[h!t]
    \includegraphics[scale=1,inner]{example-image-16x10}
    \captionbelow{Captions always centered on textwidth}

    \includegraphics[scale=0.5,center]{example-image-16x10}
    \captionbelow{Captions always centered on textwidth}
\end{figure}

\newpage
Here:

\newcommand*{\myincludegraphics}[2]{%
    \includegraphics[#1,center%% some conditional argument
    ]{#2}%
}

\begin{figure}[h!t]
    \myincludegraphics{scale=1}{example-image-16x10}
    \captionbelow{Captions always centered on textwidth}

    \myincludegraphics{scale=0.5}{example-image-16x10}
    \captionbelow{Captions always centered on textwidth}
\end{figure}

\end{document}

答案1

您可以直接使用\makebox：

\documentclass[
   paper=8.5in:11in,
   BCOR=0.5in,
   twoside=true
]{scrbook}
\areaset[0.5in]{5in}{8in}
\addtolength{\voffset}{0.5in}
\setlength{\marginparwidth}{0.5in}
\setlength{\marginparsep}{1in}
\usepackage[showframe,pass]{geometry}

\usepackage{scrhack}
\usepackage{float}
\usepackage{graphicx}
\usepackage[figurename=Example]{caption}
\usepackage{subcaption}
\usepackage{newfloat}

\usepackage{adjustbox}

\newsavebox{\igbox}
\newcommand{\igdecide}{%
  \ifdim\wd\igbox<\textwidth
    c%
  \else
    \ifoddpage
      l%
    \else
      r%
    \fi
  \fi
}
\newcommand{\fincludegraphics}[2][]{%
  \par
  \sbox\igbox{\includegraphics[#1]{#2}}%
  \checkoddpage
  \makebox[\textwidth][\igdecide]{\usebox{\igbox}}%
}

\begin{document}

\mainmatter

\begin{figure}[!ht]

\fincludegraphics[width=1.1\textwidth]{example-image-16x10}
\captionbelow{Captions always centered on textwidth}

\fincludegraphics[width=0.7\textwidth]{example-image-16x10}
\captionbelow{Captions always centered on textwidth}

\end{figure}

\newpage

\begin{figure}[!ht]

\fincludegraphics[width=1.1\textwidth]{example-image-16x10}
\captionbelow{Captions always centered on textwidth}

\fincludegraphics[width=0.7\textwidth]{example-image-16x10}
\captionbelow{Captions always centered on textwidth}
\end{figure}

\end{document}

在此处输入图片描述

答案2

\documentclass[
   paper=8.5in:11in,
   BCOR=0.5in,
   twoside=true
]{scrbook}
\areaset[0.5in]{5in}{8in}
\addtolength{\voffset}{0.5in}
\setlength{\marginparwidth}{0.5in}
\setlength{\marginparsep}{1in}
\usepackage[showframe,pass]{geometry}

\usepackage{scrhack}
\usepackage{float}
\usepackage{graphicx}
\usepackage[figurename=Example]{caption}
\usepackage{subcaption}
\usepackage{newfloat}

%% Adjust box adds "inner" and "center" options to includegraphics
\usepackage[export]{adjustbox}

% customizing LaTeX innards. Still possible, for the time being.
\makeatletter
\def\bm@IC{\hss\edef\width{\dimexpr\the\width\relax}%
           \ifdim\width>\linewidth
             \ifoddpageoroneside\kern\dimexpr\width-\linewidth\fi
          \fi
           \unhbox\@tempboxa
           \ifdim\width>\linewidth 
             \unless\ifoddpageoroneside\kern\dimexpr\width-\linewidth\fi
           \fi
          \hss}

\newcommand*{\myincludegraphics}[2][]{%
    {\parindent\z@ \parfillskip\z@skip\checkoddpage
     \makebox[\linewidth][IC]{\includegraphics[#1]{#2}}\par}%
}

\makeatother


\begin{document}

\mainmatter

I would like this behavior :

\begin{figure}[h!t]
    \myincludegraphics[scale=1]{example-image-16x10}
    \captionbelow{Captions always centered on textwidth}

    \myincludegraphics[scale=0.5]{example-image-16x10}
    \captionbelow{Captions always centered on textwidth}
\end{figure}

\newpage

\begin{figure}[h!t]
    \myincludegraphics[scale=1]{example-image-16x10}
    \captionbelow{Captions always centered on textwidth}

    \myincludegraphics[scale=0.5]{example-image-16x10}
    \captionbelow{Captions always centered on textwidth}
\end{figure}

\newpage

\begin{figure}[h!t]
    \includegraphics[scale=1, inner]{example-image-16x10}
    \captionbelow{Captions always centered on textwidth}

    \includegraphics[scale=0.5, center]{example-image-16x10}
    \captionbelow{Captions always centered on textwidth}
\end{figure}

\newpage

\begin{figure}[h!t]
    \includegraphics[scale=1, inner]{example-image-16x10}
    \captionbelow{Captions always centered on textwidth}

    \includegraphics[scale=0.5, center]{example-image-16x10}
    \captionbelow{Captions always centered on textwidth}
\end{figure}

\end{document}

在此处输入图片描述

在此处输入图片描述

答案3

这里有一个基于adjustbox使用precodekey 的解决方案。遗憾的是，无法通过一次调用来实现这一点，\adjustimage因为\widthkey 保留的不是新的缩放宽度，而是原始宽度。因此需要在里面嵌套\includegraphics或。\adjustbox\adjustbox

\documentclass[
   paper=8.5in:11in,
   BCOR=0.5in,
   twoside=true
]{scrbook}
\areaset[0.5in]{5in}{8in}
\addtolength{\voffset}{0.5in}
\setlength{\marginparwidth}{0.5in}
\setlength{\marginparsep}{1in}
\usepackage[showframe,pass]{geometry}

\usepackage{scrhack}
\usepackage{float}
\usepackage{graphicx}
\usepackage[figurename=Example]{caption}
\usepackage{subcaption}
\usepackage{newfloat}

%% Adjust box adds "inner" and "center" options to includegraphics
\usepackage[export]{adjustbox}


\begin{document}

\mainmatter

I would like to match the behavior of this:

\begin{figure}[h!t]
    \includegraphics[scale=1.2,inner]{example-image-16x10}
    \captionbelow{Captions always centered on textwidth}

    \includegraphics[scale=0.5,center]{example-image-16x10}
    \captionbelow{Captions always centered on textwidth}
\end{figure}

\newpage
Here:

\newcommand*{\myincludegraphics}[2]{%
    \adjustbox{precode=%
        \ifdim\width>\textwidth
            \expandafter\innersidebox
        \else
            \expandafter\centerbox
        \fi
    }{\includegraphics[#1]{#2}}%
}

\begin{figure}[h!t]
    \myincludegraphics{scale=1.2}{example-image-16x10}
    \captionbelow{Captions always centered on textwidth}

    \myincludegraphics{scale=0.5}{example-image-16x10}
    \captionbelow{Captions always centered on textwidth}
\end{figure}

\newpage
And here:

\begin{figure}[h!t]
    \myincludegraphics{scale=1.2}{example-image-16x10}
    \captionbelow{Captions always centered on textwidth}

    \myincludegraphics{scale=0.5}{example-image-16x10}
    \captionbelow{Captions always centered on textwidth}
\end{figure}

\end{document}

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