% 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.

\NeedsTeXFormat{LaTeX2e}

\def\pgfcircversion{1.2.6}
\def\pgfcircversiondate{2020/12/16}

\ProvidesPackage{circuitikz}%
[\pgfcircversiondate{} The CircuiTikz circuit drawing package version \pgfcircversion]

%% Version 3.0 of pgf/TikZ is required
\RequirePackage{tikz}
\usetikzlibrary{calc}
%
% "arrows" library is deprecated, and behave badly with
% arrows on short paths. Change to the new arrows.meta
% In pfgcirc.define, we will add the old definition of
% latex' which we have lost in the transition
%
\usetikzlibrary{arrows.meta, bending}
\usetikzlibrary{fpu} % may be needed for use fpu reciprocal (v1.0.1)
%
% global of options (better use styles!)
%
\DeclareOption{european}{
    \ctikzset{voltage=european} \ctikzset{current=european} \ctikzset{inductor=european}
    \ctikzset{resistor=european} \ctikzset{logic ports=european} \ctikzset{gas filled surge arrester choice = european}
}
\DeclareOption{american}{
    \ctikzset{voltage=american} \ctikzset{current=american} \ctikzset{resistor=american} \ctikzset{inductor=american} \ctikzset{gas filled surge arrester choice = american}
    \ctikzset{logic ports = american}
}
\DeclareOption{siunitx}{
    \pgf@circ@siunitxtrue
}
\DeclareOption{nosiunitx}{
    \pgf@circ@siunitxfalse
}
\DeclareOption{compatibility}{
    \pgf@circuit@compattrue
}
%
% voltages
%
\DeclareOption{europeanvoltage}{
    \ctikzset{voltage=european}
}
\DeclareOption{straightvoltages}{
    \ctikzset{voltage=straight}
}
\DeclareOption{americanvoltage}{
    \ctikzset{voltage=american}
}
\DeclareOption{europeanvoltages}{
    \ctikzset{voltage=european}
}
\DeclareOption{americanvoltages}{
    \ctikzset{voltage=american}
}
% Voltage directions
\DeclareOption{oldvoltagedirection}{
    \pgf@circ@oldvoltagedirectiontrue
    \pgf@circ@explicitvdirtrue
    \pgf@circ@fixbatteriesfalse
}
\DeclareOption{nooldvoltagedirection}{
    \pgf@circ@oldvoltagedirectionfalse
    \pgf@circ@explicitvdirtrue
    \pgf@circ@fixbatteriesfalse
}
\DeclareOption{RPvoltages}{
    \pgf@circ@oldvoltagedirectiontrue
    \pgf@circ@explicitvdirtrue
    \pgf@circ@fixbatteriestrue
}
\DeclareOption{EFvoltages}{
    \pgf@circ@oldvoltagedirectionfalse
    \pgf@circ@explicitvdirtrue
    \pgf@circ@fixbatteriestrue
}
%
% currents
%
\DeclareOption{europeancurrent}{
    \ctikzset{current = european}
}
\DeclareOption{americancurrent}{
    \ctikzset{current = american}
}
\DeclareOption{europeancurrents}{
    \ctikzset{current = european}
}
\DeclareOption{americancurrents}{
    \ctikzset{current = american}
}
%
% resistors
%
\DeclareOption{americanresistor}{
    \ctikzset{resistor = american}
}
\DeclareOption{europeanresistor}{
    \ctikzset{resistor = european}
}
\DeclareOption{americanresistors}{
    \ctikzset{resistor = american}
}
\DeclareOption{europeanresistors}{
    \ctikzset{resistor = european}
}
%
% inductors
%
\DeclareOption{americaninductor}{
    \ctikzset{inductor = american}
}
\DeclareOption{europeaninductor}{
    \ctikzset{inductor = european}
}
\DeclareOption{cuteinductor}{
    \ctikzset{inductor = cute}
}
\DeclareOption{americaninductors}{
    \ctikzset{inductor = american}
}
\DeclareOption{europeaninductors}{
    \ctikzset{inductor = european}
}
\DeclareOption{cuteinductors}{
    \ctikzset{inductor = cute}
}
%
% logic ports
%
\DeclareOption{americanport}{
    \ctikzset{logic ports = american}
}
\DeclareOption{europeanport}{
    \ctikzset{logic ports = european}
}
\DeclareOption{americanports}{
    \ctikzset{logic ports = american}
}
\DeclareOption{europeanports}{
    \ctikzset{logic ports = european}
}
%
% surge arresters (really?)
%
\DeclareOption{americangfsurgearrester}{
    \ctikzset{gas filled surge arrester choice = american}
}
\DeclareOption{europeangfsurgearrester}{
    \ctikzset{gas filled surge arrester choice = european}
}
%
% diodes
%
\DeclareOption{fulldiodes}{
    \ctikzset{diode = full}
}
\DeclareOption{emptydiodes}{
    \ctikzset{diode = empty}
}
\DeclareOption{strokediodes}{
    \ctikzset{diode = stroke}
}
\DeclareOption{fulldiode}{
    \ctikzset{diode = full}
}
\DeclareOption{emptydiode}{
    \ctikzset{diode = empty}
}
\DeclareOption{strokediode}{
    \ctikzset{diode = stroke}
}
%
% MOSes and FETs
%
\DeclareOption{arrowmos}{
    \pgf@circuit@mos@arrowstrue
}
\DeclareOption{noarrowmos}{
    \pgf@circuit@mos@arrowsfalse
}
\DeclareOption{fetbodydiode}{
    \pgf@circuit@fet@bodydiodetrue
}
\DeclareOption{nofetbodydiode}{
    \pgf@circuit@fet@bodydiodefalse
}
\DeclareOption{fetsolderdot}{
    \pgf@circuit@fet@solderdottrue
}
\DeclareOption{nofetsolderdot}{
    \pgf@circuit@fet@solderdotfalse
}
\DeclareOption{emptypmoscircle}{
    \pgf@circuit@pmos@emptycircletrue
}
\DeclareOption{lazymos}{
    \ctikzset{tripoles/nmos/width=.5}
    \ctikzset{tripoles/nmos/gate height=.35}
    \ctikzset{tripoles/nmos/base height=.35}
    \ctikzset{tripoles/nmos/height/.initial=1.2}
    \ctikzset{tripoles/nmos/base width=.5}
    \ctikzset{tripoles/nmos/gate width=.65}
    \ctikzset{tripoles/pmos/width=.5}
    \ctikzset{tripoles/pmos/gate height=.35}
    \ctikzset{tripoles/pmos/base height=.35}
    \ctikzset{tripoles/pmos/height/.initial=1.2}
    \ctikzset{tripoles/pmos/base width=.5}
    \ctikzset{tripoles/pmos/gate width=.65}
    \pgf@circuit@pmos@emptycircletrue
}
%
% BJTs labels
%
\DeclareOption{legacytransistorstext}{
    \pgf@circuit@transisors@fixlabelsfalse
}
\DeclareOption{nolegacytransistorstext}{
    \pgf@circuit@transisors@fixlabelstrue
}
\DeclareOption{centertransistorstext}{
    \pgf@circuit@transisors@fixlabelstrue
}
%
% labels
%
\DeclareOption{straightlabels}{
    \ctikzset{label/align = straight}
}
\DeclareOption{rotatelabels}{
    \ctikzset{label/align = rotate}
}
\DeclareOption{smartlabels}{
    \ctikzset{label/align = smart}
}
%
% Several options (better use styles)
%
\DeclareOption{betterproportions}{
    \ctikzset{monopoles/ground/width/.initial=.15}
    \ctikzset{bipoles/resistor/height/.initial=.23}
    \ctikzset{bipoles/resistor/width/.initial=.6}
    \ctikzset{bipoles/capacitor/height/.initial=.4}
    \ctikzset{bipoles/capacitor/width/.initial=.1}
    \ctikzset{bipoles/potentiometer/height/.initial=.6}
    \ctikzset{bipoles/potentiometer/height 2/.initial=.23}
    \ctikzset{bipoles/potentiometer/width/.initial=.6}
    \ctikzset{bipoles/photoresistor/height/.initial=.6}
    \ctikzset{bipoles/photoresistor/height 2/.initial=.23}
    \ctikzset{bipoles/photoresistor/width/.initial=.6}
    \ctikzset{bipoles/thermistor/main/.initial=.7}
    \ctikzset{bipoles/thermistor/height/.initial=.328}%.23/.7
    \ctikzset{bipoles/thermistor/width/.initial=.6}
    \ctikzset{bipoles/thermistorntc/width/.initial=.6}
    \ctikzset{bipoles/thermistorntc/main/.initial=.7}
    \ctikzset{bipoles/thermistorntc/height/.initial=.328}%.23/.7
    \ctikzset{bipoles/thermistorntc/height 2/.initial=.75}%.23/.7
    \ctikzset{bipoles/thermistorptc/width/.initial=.6}
    \ctikzset{bipoles/thermistorptc/main/.initial=.7}
    \ctikzset{bipoles/thermistorptc/height/.initial=.328}%.23/.7
    \ctikzset{bipoles/varistor/main/.initial=.7}
    \ctikzset{bipoles/varistor/height/.initial=.328}%.23/.7
    \ctikzset{bipoles/varistor/width/.initial=.6}
    \ctikzset{bipoles/vresistor/height/.initial=.45}
    \ctikzset{bipoles/vresistor/width/.initial=.6}
    \ctikzset{bipoles/generic/height/.initial=.23}
    \ctikzset{bipoles/generic/width/.initial=.6}
    \ctikzset{bipoles/generic potentiometer/height/.initial=.6}
    \ctikzset{bipoles/generic potentiometer/height 2/.initial=.23}
    \ctikzset{bipoles/generic potentiometer/width/.initial=.6}
    \ctikzset{bipoles/ageneric/height/.initial=.23}
    \ctikzset{bipoles/ageneric/width/.initial=.6}
    \ctikzset{bipoles/memristor/height/.initial=.23}
    \ctikzset{bipoles/memristor/wave height/.initial=.375}
    \ctikzset{bipoles/memristor/width/.initial=.60}
    \ctikzset{bipoles/tgeneric/height/.initial=.525}
    \ctikzset{bipoles/tgeneric/width/.initial=.6}
    \ctikzset{bipoles/tfullgeneric/height/.initial=.525}
    \ctikzset{bipoles/tfullgeneric/width/.initial=.60}
    \ctikzset{bipoles/fullgeneric/height/.initial=.23}
    \ctikzset{bipoles/fullgeneric/width/.initial=.6}
    \ctikzset{bipoles/diode/height/.initial=.3}
    \ctikzset{bipoles/diode/width/.initial=.25}
    \ctikzset{bipoles/bidirectionaldiode/height/.initial=.66}
    \ctikzset{bipoles/bidirectionaldiode/width/.initial=.6}
    \ctikzset{bipoles/bidirectionaldiode/diode width left/.initial=.3}
    \ctikzset{bipoles/bidirectionaldiode/diode width right/.initial=.3}
    \ctikzset{tripoles/thyristor/height/.initial=.66}
    \ctikzset{tripoles/thyristor/height 2/.initial=.3}
    \ctikzset{tripoles/thyristor/width/.initial=.6}
    \ctikzset{tripoles/thyristor/diode height/.initial=.3}
    \ctikzset{tripoles/thyristor/diode width left/.initial=.4}
    \ctikzset{tripoles/thyristor/diode width right/.initial=.3}
    \ctikzset{tripoles/triac/height/.initial=.66}
    \ctikzset{tripoles/triac/width/.initial=.6}
    \ctikzset{tripoles/triac/diode width left/.initial=.3}
    \ctikzset{tripoles/triac/diode width right/.initial=.3}
}
% This is a nice hack that prints all the shapes declared
% by the package. Very useful for coverage testing and debugging.
%
% \let\origpgfdeclareshape=\pgfdeclareshape
% \def\pgfdeclareshape#1{%
%     \typeout{SHAPE:\space"#1"}%
%     \origpgfdeclareshape{#1}
% }
%
%
%%%%%%%%%
\input pgfcirc.defines.tex
\input pgfcircutils.tex

\input pgfcircshapes.tex
\input pgfcircmonopoles.tex
\input pgfcircbipoles.tex
\input pgfcirctripoles.tex
\input pgfcircquadpoles.tex
\input pgfcircmultipoles.tex

\input pgfcirclabel.tex
\input pgfcircvoltage.tex
\input pgfcirccurrent.tex
\input pgfcircflow.tex

% notice that the default is nooldvoltagedirection; it's not explicitly set to allow for the warning
\ExecuteOptions{nofetbodydiode, nofetsolderdot, europeancurrents, europeanvoltages, americanports, americanresistors, cuteinductors ,europeangfsurgearrester, nosiunitx, noarrowmos, smartlabels}

\ProcessOptions\relax

\input pgfcircpath.tex

\ifpgf@circ@siunitx
    \RequirePackage{xstring}[2009/03/13]
    %\expandafter\let\csname angstrom\endcsname\relax
    \RequirePackage{siunitx}
\fi

\ifpgf@circ@explicitvdir\else
    \PackageWarningNoLine{circuitikz}{%
        You did not specify one of the voltage directions:\MessageBreak
        \space\space    oldvoltagedirection, nooldvoltagedirection, \MessageBreak
        \space\space    RPvoltages or EFvoltages \MessageBreak
        Default directions may have changed, \MessageBreak
        please check the manual%
    }
\fi

\newenvironment{circuitikz}{\begin{tikzpicture}}{\end{tikzpicture}}
%override (unused) circuitikz environment for compability to externalization)
\let\circuitikz\tikzpicture
\let\endcircuitikz\endtikzpicture

\endinput