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% Copyright 2018-2020 by Romano Giannetti
% Copyright 2015-2020 by Stefan Lindner
% Copyright 2013-2020 by Stefan Erhardt
% Copyright 2007-2020 by Massimo Redaelli
%
% This file may be distributed and/or modified
%
% 1. under the LaTeX Project Public License and/or
% 2. under the GNU Public License.
%
% See the files gpl-3.0_license.txt and lppl-1-3c_license.txt for more details.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Bipole label positioning
%% bipole labels and annotation extra style
\ctikzset{bipole label style/.style={}}
\tikzset{bipole label style/.code={
\ctikzset{bipole label style/.style={#1}}
}}
\tikzset{bipole label append style/.code={
\ctikzset{bipole label style/.append style={#1}}
}}
\ctikzset{bipole annotation style/.style={}}
\tikzset{bipole annotation style/.code={
\ctikzset{bipole annotation style/.style={#1}}
}}
\tikzset{bipole annotation append style/.code={
\ctikzset{bipole annotation style/.append style={#1}}
}}
%% Options
\ctikzset{label/.style = { l=#1 } }
\ctikzset{l/.code = {
\pgfkeys{/tikz/circuitikz/bipole/label/name=#1}
\ctikzsetvalof{bipole/label/unit}{}
\ifpgf@circ@siunitx
\pgf@circ@handleSI{#1}
\ifpgf@circ@siunitx@res
\edef\pgf@temp{\pgf@circ@handleSI@val}
\pgfkeyslet{/tikz/circuitikz/bipole/label/name}{\pgf@temp}
\edef\pgf@temp{\pgf@circ@handleSI@unit}
\pgfkeyslet{/tikz/circuitikz/bipole/label/unit}{\pgf@temp}
\else
\fi
\else
\fi
}}
\ctikzset{label above/.code = {
l=#1,
\circuitikzbasekey/bipole/label/position=90 }
}
\ctikzset{l^/.style = {
l=#1,
\circuitikzbasekey/bipole/label/position=90 }
}
\ctikzset{label below/.code = {
l=#1,
\circuitikzbasekey/bipole/label/position=-90 }
}
\ctikzset{l_/.style = {
l=#1,
\circuitikzbasekey/bipole/label/position=-90 }
}
\ctikzset{annotation/.style = { a=#1 } }
\ctikzset{a/.code = {
\pgfkeys{/tikz/circuitikz/bipole/annotation/name=#1}
\ctikzsetvalof{bipole/annotation/unit}{}
\ifpgf@circ@siunitx
\pgf@circ@handleSI{#1}
\ifpgf@circ@siunitx@res
\edef\pgf@temp{\pgf@circ@handleSI@val}
\pgfkeyslet{/tikz/circuitikz/bipole/annotation/name}{\pgf@temp}
\edef\pgf@temp{\pgf@circ@handleSI@unit}
\pgfkeyslet{/tikz/circuitikz/bipole/annotation/unit}{\pgf@temp}
\else
\fi
\else
\fi
}}
\ctikzset{annotation above/.code = {
a=#1,
\circuitikzbasekey/bipole/annotation/position=90 }
}
\ctikzset{a^/.style = {
a=#1,
\circuitikzbasekey/bipole/annotation/position=90 }
}
\ctikzset{annotation below/.code = {
a=#1,
\circuitikzbasekey/bipole/annotation/position=-90 }
}
\ctikzset{a_/.style = {
a=#1,
\circuitikzbasekey/bipole/annotation/position=-90 }
}
% This is to adjust spacing for the labels so that they are not cramped on components
\def\pgf@circ@ls{.75ex} % labelspace to have just one point to change
\def\pgf@circ@drawlabels#1{
\pgfextra{
% This function will be called with argument #1 equal
% to "label" or "annotation" form pgfcircpath.tex.
% pgf@circ@direction is the direction of the path,
% its value is set in pgfcircpath.tex
\pgfmathsubtract{\pgf@circ@direction}{90}
\pgfmathround{\pgfmathresult} % avoid precision loss errors
\edef\pgf@circ@labanc{\expandafter\pgf@circ@stripdecimals\pgfmathresult\pgf@nil}
\edef\pgf@circ@temp{\ctikzvalof{bipole/#1/position}}
\ifnum \pgf@circ@temp < 0
\pgfmathadd{\pgf@circ@labanc}{180}
\edef\pgf@circ@labanc{\expandafter\pgf@circ@stripdecimals\pgfmathresult\pgf@nil}
\fi
% \typeout{INI: TEMP\space\pgf@circ@temp\space LABANC\space\pgf@circ@labanc}
%
% normalize the angle values
%
\pgfmathmod{\pgf@circ@labanc}{360}
\edef\pgf@circ@labanc{\expandafter\pgf@circ@stripdecimals\pgfmathresult\pgf@nil}
%
\ifpgf@circuit@bipole@inverted
\pgfmathadd{\pgf@circ@temp}{180} %If shape is inverted, use opposite anchor
\edef\pgf@circ@temp{\expandafter\pgf@circ@stripdecimals\pgfmathresult\pgf@nil}
\fi
%
\ifnum \ctikzvalof{mirror value} = -1
\pgfmathadd{\pgf@circ@temp}{180} %If shape is mirrored, use opposite anchor
\edef\pgf@circ@temp{\expandafter\pgf@circ@stripdecimals\pgfmathresult\pgf@nil}
\fi
% \typeout{FIN: TEMP\space\pgf@circ@temp\space LABANC\space\pgf@circ@labanc}
}
%Firstly, place a coordinate directly at the edge of the shape
(\ctikzvalof{bipole/name}.\pgf@circ@temp) coordinate (pgfcirc@labelcoor)
%now decide, which labels should be drawn
\pgfextra{
\edef\pgf@temp{\ctikzvalof{label/align}}
\def\pgf@circ@temp{straight}
}
\ifx\pgf@temp\pgf@circ@temp %straight
\pgf@circ@drawreglabels{#1}
\else
\pgfextra{\def\pgf@circ@temp{rotate}}
\ifx\pgf@temp\pgf@circ@temp %rotate
\pgf@circ@drawrotlabels{#1}
\else% smart
\pgf@circ@drawsmartlabels{#1}
\fi
\fi
}
\def\pgf@circ@drawsmartlabels#1{
\pgfextra{
\pgfmathmod{\pgf@circ@direction}{90}
\edef\pgfcircmathresult{\expandafter\pgf@circ@stripdecimals\pgfmathresult\pgf@nil}
}
\ifnum \pgfcircmathresult > 20
\ifnum \pgfcircmathresult < 70
\pgf@circ@drawrotlabels{#1}
\else
\pgf@circ@drawreglabels{#1}
\fi
\else
\pgf@circ@drawreglabels{#1}
\fi
}
\def\pgf@circ@drawrotlabels#1{
\pgfextra{
% scale the distances in function of zoom, so that they are not
% dependent on it but on font size. Thanks to @marmot
% https://tex.stackexchange.com/a/476018/38080
% the coeffcient is adjusted so that the distance is more or less
% the same for rotated labels and straight ones (although it will
% depend on the font, so it's not exact).
\pgfgettransformentries{\tmpa}{\tmpb}{\tmpc}{\tmpd}{\tmp}{\tmp}%
\pgfmathsetmacro{\myscale}{sqrt(abs(\tmpa*\tmpd-\tmpb*\tmpc))}% abs should not be needed
% \typeout{ROT\tmpa\space\tmpb\space\tmpc\space\tmpd\space\myscale}
\pgfmathsetlength\pgf@circ@res@temp{1.5*\pgf@circ@ls/\myscale}
\ifnum \ctikzvalof{bipole/#1/position}>0
%we need some more space for placement below, due to mid-anchor
\else % we do not have <= in \ifnum...
\pgf@circ@res@temp=1.5\pgf@circ@res@temp
\fi
%Calculate rotation of the label from direction and strip decimals
\edef\pgfcirclabrot{\expandafter\pgf@circ@stripdecimals\pgf@circ@direction\pgf@nil}
% rotate the label at second or third quadrant:
\ifnum \pgfcirclabrot > 90 \ifnum \pgfcirclabrot < 270
\pgfmathsubtract{\pgf@circ@direction}{180}
\edef\pgfcirclabrot{\expandafter\pgf@circ@stripdecimals\pgfmathresult\pgf@nil}
%invert the space relationships due to rotated strings
\ifnum \ctikzvalof{bipole/#1/position}>0
\pgf@circ@res@temp=1.5\pgf@circ@res@temp
\fi
\fi\fi
\pgfmathparse{\ctikzvalof{bipole/#1/position}>0?\pgf@circ@direction+90:\pgf@circ@direction-90}
\edef\pgf@circ@labposangle{\expandafter\pgf@circ@stripdecimals\pgfmathresult\pgf@nil}
}
% reset cm is not working correctly here
(pgfcirc@labelcoor)++(\pgf@circ@labposangle:\the\pgf@circ@res@temp) coordinate(pgfcirc@labelcoor)
node[anchor=mid, rotate=\pgfcirclabrot, \circuitikzbasekey/bipole #1 style]
(\ctikzvalof{bipole/name}#1){\pgf@circ@finallabels{#1}}
}
\def\pgf@circ@drawreglabels#1{
%Now calculate all shape positions
%Use mid-anchor at x-axis and base-anchor at y-axis, respectively.
%All points between will be addressed by angled-anchors:
\pgfextra{
% scale ex-distance to make it independent on scale
% thanks @marmot see https://tex.stackexchange.com/a/476018/38080
\pgfgettransformentries{\tmpa}{\tmpb}{\tmpc}{\tmpd}{\tmp}{\tmp}%
\pgfmathsetmacro{\myscale}{sqrt(abs(\tmpa*\tmpd-\tmpb*\tmpc))}% abs should not be needed
% \typeout{ROT\tmpa\space\tmpb\space\tmpc\space\tmpd\space\myscale}
\pgfmathsetlength\pgf@circ@res@temp{\pgf@circ@ls/\myscale}
\pgfmathadd{\pgf@circ@labanc}{90}
\pgfmathround{\pgfmathresult}
\def\pgf@circ@labanctext{\pgf@circ@labanc}
\edef\pgf@circ@temp{\expandafter\pgf@circ@stripdecimals\pgfmathresult\pgf@nil}
\pgfmathparse{mod(\pgf@circ@temp,180)>135?mod(\pgf@circ@temp,180)-180:mod(\pgf@circ@temp,180)}
\edef\pgfcircmathresult{\expandafter\pgf@circ@stripdecimals\pgfmathresult\pgf@nil}
}
%Values around 90 are at both y-axis
\ifnum \pgfcircmathresult > 84 \ifnum \pgfcircmathresult< 96
\pgfextra{\edef\pgf@circ@labpos{\expandafter\pgf@circ@stripdecimals\pgf@circ@direction\pgf@nil}}
\ifnum \pgf@circ@labpos > 180
\ifnum \ctikzvalof{bipole/#1/position} > 0
\pgfextra{\def\pgf@circ@labanctext{mid west}}
\else
\pgfextra{\def\pgf@circ@labanctext{mid east}}
\fi
\else
\ifnum \ctikzvalof{bipole/#1/position} > 0
\pgfextra{\def\pgf@circ@labanctext{mid east}}
\else
\pgfextra{\def\pgf@circ@labanctext{mid west}}
\fi
\fi
\fi\fi
%Values between -5 and 5 are at pos /neg x-axis
\pgfextra{\def\uffa{}\newdimen\realshift\realshift=\dimexpr1pt\relax}
\ifnum \pgfcircmathresult <6 \ifnum \pgfcircmathresult > -6
\ifnum \ctikzvalof{bipole/#1/position} < 0
\ifnum \pgf@circ@labanc > 90
% using base coordinate instead of south to naturally align
% symbols with descendants; but this invalidate the effect of
% the inner sep, so recover it by shifting the anchor
% reset cm is not working sometime, use @marmot solution
% see https://tex.stackexchange.com/a/476018/38080
(pgfcirc@labelcoor) ++(-\pgf@circ@labanc:\pgf@circ@res@temp) coordinate(pgfcirc@labelcoor)
\pgfextra{\def\pgf@circ@labanctext{base}}%base
\else
\pgfextra{\def\pgf@circ@labanctext{north}}%north
\fi
\else
\ifnum \pgf@circ@labanc < 90
% shift, as above
(pgfcirc@labelcoor) ++(-\pgf@circ@labanc:\pgf@circ@res@temp) coordinate(pgfcirc@labelcoor)
\pgfextra{\def\pgf@circ@labanctext{base}}%base
\else
\ifnum \pgf@circ@labanc > 180
% this shouldn't happen, but somehow it does (270 degree anchors)
% shift, as above
(pgfcirc@labelcoor) ++(-\pgf@circ@labanc:\pgf@circ@res@temp) coordinate(pgfcirc@labelcoor)
\pgfextra{\def\pgf@circ@labanctext{base}}%base
\else
\pgfextra{\def\pgf@circ@labanctext{north}}%north
\fi
\fi
\fi
\fi\fi
(pgfcirc@labelcoor) node[anchor=\pgf@circ@labanctext,
inner sep=0.5\pgf@circ@res@temp, outer sep=0pt, \circuitikzbasekey/bipole #1 style,
](\ctikzvalof{bipole/name}#1){\strut\pgf@circ@finallabels{#1}%
}
}
\def\pgf@circ@finallabels#1{%
\edef\pgf@temp{}%
\edef\pgf@circ@temp{\ctikzvalof{bipole/#1/unit}}%
\ifx\pgf@temp\pgf@circ@temp%
\ctikzvalof{bipole/#1/name}%
\else%
$\SI{\ctikzvalof{bipole/#1/name}}{\ctikzvalof{bipole/#1/unit}}$%
\fi%
}
\ctikzset{text/.style={t=#1}}
\ctikzset{t/.code={%
\ctikzsetvalof{bipoles/twoport/text}{#1}%
}}
%%%% Stacked labels
%
% stacked labels by Romano Giannetti romano@rgtti.com
% heavily based on Claudo Fiandrinos's https://tex.stackexchange.com/a/65792/38080
% \expandafter trick inspired by Matthew Leingang's https://tex.stackexchange.com/a/12272/38080
%
% labels are in a tabular, globally aligned:
% vertically with key l2 valign (default c)
% c: center t: top b: bottom
% horizontally with key l2 align (default l)
% l: left c: centered r: right
% you can switch sides using l2_=... and l2^=...
% syntax is l2_ = line1 and line2 (same for l2^)
%
\ctikzset{%
l2 valign/.store in=\ltwo@valign, l2 valign=c,
l2 halign/.store in=\ltwo@halign, l2 halign=l,
}
\ctikzset{l2base/.code n args={2}{
\pgfkeys{/tikz/circuitikz/bipole/label/name=%
\bgroup
\setlength{\tabcolsep}{2pt}%
\def\ltwo@tabu{\tabular[\ltwo@valign]}%
\expandafter\ltwo@tabu\expandafter{\ltwo@halign}%
#1\\ #2%
\endtabular
\egroup
}%
\ctikzsetvalof{bipole/label/unit}{}
\ifpgf@circ@siunitx
\pgf@circ@handleSI{#2}
\ifpgf@circ@siunitx@res
\edef\pgf@temp{\pgf@circ@handleSI@val}
\pgfkeyslet{/tikz/circuitikz/bipole/label/name}{\pgf@temp}
\edef\pgf@temp{\pgf@circ@handleSI@unit}
\pgfkeyslet{/tikz/circuitikz/bipole/label/unit}{\pgf@temp}
\else
\fi
\else
\fi
}}
\ctikzset{l2/.style args={#1 and #2}{
l2base={#1}{#2},
\circuitikzbasekey/bipole/label/position=90 }
}
\ctikzset{l2 above/.style args={#1 and #2}{
l2base={#1}{#2},
\circuitikzbasekey/bipole/label/position=90 }
}
\ctikzset{l2^/.style args={#1 and #2}{
l2base={#1}{#2},
\circuitikzbasekey/bipole/label/position=90 }
}
\ctikzset{l2 below/.style args={#1 and #2}{
l2base={#1}{#2},
\circuitikzbasekey/bipole/label/position=-90 }
}
\ctikzset{l2_/.style args={#1 and #2}{
l2base={#1}{#2},
\circuitikzbasekey/bipole/label/position=-90 }
}
\endinput
|
