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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /graphics/pgf/contrib/circuitikz/tex/pgfcirclabel.tex
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+% Copyright 2007-2009 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
+
+%% 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 (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{\tmp}{\tmp}{\tmp}{\myscale}{\tmp}{\tmp}
+ \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
+ (labelcoor)++(\pgf@circ@labposangle:\the\pgf@circ@res@temp) coordinate(labelcoor)
+ node[anchor=mid, rotate=\pgfcirclabrot](\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{\tmp}{\tmp}{\tmp}{\myscale}{\tmp}{\tmp}
+ \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
+ (labelcoor) ++(-\pgf@circ@labanc:\pgf@circ@res@temp) coordinate(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
+ (labelcoor) ++(-\pgf@circ@labanc:\pgf@circ@res@temp) coordinate(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
+ (labelcoor) ++(-\pgf@circ@labanc:\pgf@circ@res@temp) coordinate(labelcoor)
+ \pgfextra{\def\pgf@circ@labanctext{base}}%base
+ \else
+ \pgfextra{\def\pgf@circ@labanctext{north}}%north
+ \fi
+ \fi
+ \fi
+ \fi\fi
+ (labelcoor) node[anchor=\pgf@circ@labanctext,
+ inner sep=0.5\pgf@circ@res@temp, outer sep=0pt,
+ ](\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