新的环境定义，指定默认的 overpic 参数 - 宏扩展和定义问题

Question

我正在努力定义一个新环境，其中包含嵌套的overpic环境，使用我自己的一组默认参数。

我的主要目标只是拥有一个新的环境，如下所示，我可以使用它来代替常规的环境overpic，以避免重复所有下面编码的参数。

我遇到了无数与扩展和括号（或分组）相关的错误。我首先尝试使用environ包，如下所示（所有附属宏都是适当定义的长度，保存\figDir，它是包含相关图像的目录的路径；这些显示在该问题的下一个块中）：

\NewEnviron{logoOverpic}[1]{%
    \begin{overpic}[width=\linewidth, height=\seqLogoHeight, trim=\leftTrimLogo \botTrimLogo \rightTrimLogo \topTrimLogo, clip]{\figDir/#1}
            \BODY%
    \end{overpic}%
}{}


\newcommand{\addSeqLogoLabel}[2]{
    \setcounter{putVPos}{44}

    \put (17, \value{putVPos}) {
        \fontsize{14pt}{18pt}\selectfont
        %
        % use fill colour as border as well, to get correct border-less size
        \Large\textsf{#1}\hspace*{4pt}\fboxsep0pt\fcolorbox{#2}{#2}{\phantom{X}}
    }
}

其用法示例如下：

    \begin{logoOverpic}{logoMA0466_1}
        \addSeqLogoLabel{\TFBS{CEBPB}~MA0466.1}{orange}
    \end{logoOverpic}

我之前得到的错误形式是：“\Gread@parse@vp 的参数有一个额外的}。”

我一直试图（徒劳地）解决这个问题，方法是应用相关答案。

我在这方面的努力显然很差，因为它们只会加剧我所犯的错误。我尝试了以下方法，尽管我意识到它根本不正确：

\NewEnviron{logoOverpic}[1]{%
    \begingroup\edef\x{\endgroup\noexpand%
    \begin{overpic}[width=\linewidth, height=\seqLogoHeight, trim=\leftTrimLogo \botTrimLogo \rightTrimLogo \topTrimLogo, clip]{\figDir/#1}}\x%
            \BODY%
    \end{overpic}%
}{}

我现在收到如下三个错误：

"Runaway argument?

‪main.tex, 396‬
clip,\@nil ,\XKV@usepresetkeys {}{presett}\let \CurrentOption \@empty \ETC.
! Paragraph ended before \Gread@parse@vp was complete.
<to be read again> 
\par 
l.396       \end{logoOverpic}
                       
I suspect you've forgotten a `}', causing me to apply this
control sequence to too much text. How can we recover?
My plan is to forget the whole thing and hope for the best.
Extra }, or forgotten \endgroup.

 
‪main.tex, 396‬
<recently read> }
 
l.396       \end{logoOverpic}
                       
I've deleted a group-closing symbol because it seems to be
spurious, as in `$x}$'. But perhaps the } is legitimate and
you forgot something else, as in `\hbox{$x}'. In such cases
the way to recover is to insert both the forgotten and the
deleted material, e.g., by typing `I$}'.
Runaway argument?

 
‪main.tex, 441‬
\env@nil \end {logoOverpic} \label {fig:0.3:JASPAR_CEBPB} \end {subfi\ETC.
! Paragraph ended before \Gread@parse@vp was complete.
<to be read again> 
\par 
l.441 
    
I suspect you've forgotten a `}', causing me to apply this
control sequence to too much text. How can we recover?
My plan is to forget the whole thing and hope for the best.
LaTeX Error: Not in outer par mode.

我将非常感激任何人能提供的建议！

---

目前，我不提供 MWE。我承认这会给我提供帮助带来更多困难，对此造成的不便，我深表歉意。

如果有人愿意提供建议，我将不胜感激。如果在一定时间内没有合适的建议，我将努力撰写一份合适的 MWE。

Answer 1

您使用 时遇到问题trim=，因为长度之间没有留空格。您可以使用\newenviroment。

\documentclass{article}
\usepackage{overpic}

\newlength\seqLogoHeight
\newlength\leftTrimLogo
\newlength\botTrimLogo
\newlength\rightTrimLogo
\newlength\topTrimLogo

\setlength{\seqLogoHeight}{2cm}

\newenvironment{logoOverpic}[2][]
 {\begin{overpic}[
    width=\linewidth,
    height=\seqLogoHeight,
    trim={\leftTrimLogo} {\botTrimLogo} {\rightTrimLogo} {\topTrimLogo},
    clip,
    #1 % additional keys
  ]{#2}% it would be \figDir/#1 for you
 }
 {\end{overpic}}

\begin{document}

\noindent% no overfull box
\begin{logoOverpic}{example-image}
\end{logoOverpic}

\setlength{\rightTrimLogo}{4cm}

\noindent
\begin{logoOverpic}[width=4cm]{example-image}
\end{logoOverpic}

\end{document}