保留文本或数学模式下框的字体颜色

Question

我的目标是让enca下面的命令在数学和文本模式下使用蓝色。最好的方法是什么？

\documentclass{scrartcl}
\usepackage[skins,breakable,xparse,many]{tcolorbox}
\usepackage{xcolor}

%BOX
\NewDocumentCommand{\enca}{ O{black} m }{%
    \ifmmode\tcboxmath[standard jigsaw, tcbox raise base,opacityback=0,tcbox width=auto limited,extras={colupper={tcbcolback}},colframe=#1,size=fbox]{#2}\else
     \tcbox[standard jigsaw, tcbox raise base,tcbox width=auto limited,opacityback=0,extras={colupper={tcbcolback}},colframe=#1,size=fbox,nobeforeafter]{#2}\fi%
    }
%
\begin{document}

{\color{blue}

ABCEE \enca{ABCDE}, 
\[ 1 +\enca{\int_1^2 x^2 \mathrm{d} x}.\]
}

\end{document}

Answer 1

也许您可以保存当前颜色并应用到颜色框，例如：

\NewDocumentCommand{\enca}{ O{black} m }{%
    \colorlet{temp}{.}% Save the current color to temp
    \ifmmode\tcboxmath[standard jigsaw, tcbox raise base,opacityback=0,tcbox width=auto limited,colupper=temp,colframe=#1,size=fbox]{#2}\else
     \tcbox[standard jigsaw, tcbox raise base,tcbox width=auto limited,opacityback=0,colupper=temp,colframe=#1,size=fbox,nobeforeafter]{#2}\fi%
    }

完整示例：

\documentclass{scrartcl}
\usepackage[skins,breakable,xparse,many]{tcolorbox}
\usepackage{xcolor}

%BOX
\NewDocumentCommand{\enca}{ O{black} m }{%
    \colorlet{temp}{.}%
    \ifmmode\tcboxmath[standard jigsaw, tcbox raise base,opacityback=0,tcbox width=auto limited,colupper=temp,colframe=#1,size=fbox]{#2}\else
     \tcbox[standard jigsaw, tcbox raise base,tcbox width=auto limited,opacityback=0,colupper=temp,colframe=#1,size=fbox,nobeforeafter]{#2}\fi%
    }
%
\begin{document}

{\color{blue}

ABCEE \enca[red]{ABCDE}, 
\[ 1 +\enca[red]{\int_1^2 x^2 \mathrm{d} x}.\]
}

\end{document}

生成结果：