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Diffstat (limited to 'graphics/pgf/contrib/tikz-ext/doc/tikz-ext-manual-en-pgf-shapes-circlearrow.tex')
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diff --git a/graphics/pgf/contrib/tikz-ext/doc/tikz-ext-manual-en-pgf-shapes-circlearrow.tex b/graphics/pgf/contrib/tikz-ext/doc/tikz-ext-manual-en-pgf-shapes-circlearrow.tex new file mode 100644 index 0000000000..e26711bb35 --- /dev/null +++ b/graphics/pgf/contrib/tikz-ext/doc/tikz-ext-manual-en-pgf-shapes-circlearrow.tex @@ -0,0 +1,93 @@ +% !TeX spellcheck = en_US +% !TeX root = tikz-ext-manual.tex +% Copyright 2022 by Qrrbrbirlbel +% +% This file may be distributed and/or modified +% +% 1. under the LaTeX Project Public License and/or +% 2. under the GNU Free Documentation License. +% +\section{Shape: Circle Arrow} +\begin{pgflibrary}{ext.shapes.circlearrow} + A circular shape named |circle arrow| that has an arc as its background path that can have an arrow tip. + \inspiration{ShapeCircleArrow-Q}{ShapeCircleArrow-A} +\end{pgflibrary} +\begin{shape}{circle arrow} + This shape is an arrow whose path is an arc -- defined very similar to the |arc|% + \indexPathOperationO{arc} path operation -- that can possibly be customized with + arrow tips. + + \begin{key}{/pgf/circle arrow start angle=\meta{start angle} (initially \{\})} + Sets the start angle. + \end{key} + \begin{key}{/pgf/circle arrow end angle=\meta{end angle} (initially \{\})} + Sets the end angle. + \end{key} + \begin{key}{/pgf/circle arrow delta angle=\meta{delta angle} (initially \{\})} + Sets the delta angle. + \end{key} + \begin{key}{/pgf/circle arrow arrows=% + \meta{start arrow tip specification}-\meta{end arrow tip specification} (initially -)} + The specification will be forwarded to |\pgfsetarrows|\indexCommandO{\pgfsetarrows}. + \end{key} + + A few handful styles are pre-defined. + \begin{key}{/pgf/circle arrow turn left north} + Sets |circle arrow start angle = 100|, |circle arrow delta angle = 340| + and |circle arrow arrows = ->|. + \end{key} + \begin{key}{/pgf/circle arrow turn left east} + As above but |circle arrow start angle = 10|. + \end{key} + \begin{key}{/pgf/circle arrow turn left west} + As above but |circle arrow start angle = 280|. + \end{key} + \begin{key}{/pgf/circle arrow turn left south} + As above but |circle arrow start angle = 190|. + \end{key} + \begin{key}{/pgf/circle arrow turn right north} + Sets |circle arrow start angle = 100|, |circle arrow delta angle = 340| + and |circle arrow arrows = <-|. + \end{key} + \begin{key}{/pgf/circle arrow turn right east} + As above but |circle arrow start angle = 10|. + \end{key} + \begin{key}{/pgf/circle arrow turn right west} + As above but |circle arrow start angle = 280|. + \end{key} + \begin{key}{/pgf/circle arrow turn right south} + As above but |circle arrow start angle = 190|. + \end{key} + +{\catcode`\|=12 +\begin{codeexample}[preamble=\usetikzlibrary{ext.shapes.circlearrow,matrix}] +\begin{tikzpicture} +\matrix[matrix of nodes, draw=none, row sep=1em, column sep=1em, + every node/.style={draw=gray, shape=circle arrow, ultra thick, inner sep=1em} +] (m) { + |[circle arrow turn left north]| & |[circle arrow turn left east]| \\ + |[circle arrow turn left west]| & |[circle arrow turn left south]| \\ + |[circle arrow turn right north]| & |[circle arrow turn right east]| \\ + |[circle arrow turn right west]| & |[circle arrow turn right south]| \\ +}; +\end{tikzpicture} +\end{codeexample} +} +\begin{codeexample}[preamble=\usetikzlibrary{ext.shapes.circlearrow},width=16cm] +\begin{tikzpicture}\Huge +\node[name=s, shape=circle arrow, + circle arrow turn left west, shape example] + {Circle Arrow\vrule width 1pt height 2cm}; +\foreach \anchor/\placement in + {north west/above left, north/above, north east/above right, + west/left, center/above, east/right, + mid west/right, mid/above, mid east/left, + base west/left, base/below, base east/right, + south west/below left, south/below, south east/below right, + text/left, 10/right, 130/above} + \draw[shift=(s.\anchor)] plot[mark=x] coordinates{(0,0)} + node[\placement] {\scriptsize\texttt{(s.\anchor)}}; +\end{tikzpicture} +\end{codeexample} +\end{shape} +\endinput
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