在 tikz 中绘制带角的单箭头形状

Question

我想在 TikZ 中绘制一个带角的箭头，它看起来如下所示（应该在各处具有相同的宽度）：

我知道此解决方案，但由于线宽较粗，导致整个箭头变成彩色，而不是白色箭头周围带有彩色边框。

MWE 用于绘制没有角的箭头：

\documentclass[tikz]{standalone}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{graphicx}

\usepackage{tikz}
\usetikzlibrary{calc, shapes.arrows}

\begin{document}

\begin{tikzpicture}
    
    \node (arrow) at (0,0) {};
    \node [single arrow, draw, minimum height=1cm, single arrow head extend=0.2cm, minimum width=0.5cm] at (arrow) {text};
    
\end{tikzpicture}

\end{document}

Answer 1

您可以尝试Paul Gaborit 的风格以及一些反复试验的调整：

\documentclass[margin=5mm]{standalone}
\usepackage{tikz} 
\usetikzlibrary{arrows.meta}

\tikzset{
  double -latex/.style args={#1 colored by #2 and #3}{    
    -latex,line width=#1,#2,
    postaction={draw,-latex,#3,line width=(#1)/2,shorten <=(#1)/4,shorten >=4.5*(#1)/4},
  },
}

\begin{document}

\begin{tikzpicture}
\draw[double -latex=8mm colored by black and white] (0,0)|-++(-5,-1)|- node[pos=0.65]{Text} ++(4,-2);
\end{tikzpicture}

\end{document}

Answer 2

使用 Ignasi 的建议并经过反复试验，我最终想出了这个解决方案，使箭头非常类似于单箭头：

\documentclass[tikz]{standalone}
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{amsmath}
\usepackage{amsfonts}
\usepackage{amssymb}
\usepackage{graphicx}

\usepackage{tikz}
\usetikzlibrary{calc, shapes.arrows}


% for arrow around corner
\usetikzlibrary{arrows.meta}
\tikzset{
    double -latex/.style args={#1 colored by #2 and #3}{    
        -{Triangle[length=0.5cm,width=0.92cm]},line width=#1,#2,
        postaction={draw,-{Triangle[length=0.46cm,width=0.84cm]},#3,line width=(#1)-2*0.2mm,
            shorten <=0.2mm, shorten >=0.22mm)},
    },
}

\begin{document}
    
    \begin{tikzpicture}
        
        \node (arrow) at (0,0) {};
        \draw[double -latex=5mm colored by black and white] (arrow) -- ++ (1,0) |- (-3, -1) |- node[pos=0.8]{text} ++ (2,-2);
        \node [single arrow, draw, minimum height=1cm, single arrow head extend=0.2cm, minimum width=0.5cm] at (-1.75,-4) {text};
        
    \end{tikzpicture}
    
\end{document}