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%%%==============================================================================
%% Copyright 2022-23 by Alceu Frigeri
%%
%% This work may be distributed and/or modified under the conditions of
%%
%% * The [LaTeX Project Public License](http://www.latex-project.org/lppl.txt),
%%   version 1.3c (or later), and/or
%% * The [GNU Affero General Public License](https://www.gnu.org/licenses/agpl-3.0.html),
%%   version 3 (or later)
%%
%% This work has the LPPL maintenance status *maintained*.
%%
%% The Current Maintainer of this work is Alceu Frigeri
%%
%% This is version 1.10 (2023/05/11)
%%
%% The list of files that compose this work can be found in the README.md file at
%% https://ctan.org/pkg/ufrgscca
%%
%%%==============================================================================
%% UFRGS stands for "Federal University of Rio Grande do Sul" in south Brazil
%% EE    stands for "Engineering School"
%% CCA   stands for "Control and Automation Engineering Course" (Portuguese acronym)
%%%==============================================================================
\NeedsTeXFormat{LaTeX2e}[2022/06/01]
\def\tc@tmp@packname{ufrgscca-curr-graph}
\def\tc@tmp@altpackname{tccurrgraph}
\def\tc@tmp@packdesc{UFRGS/CCA graph curricula commands}
\def\tc@tmp@packdate{2023/05/11}
\def\tc@tmp@packversion{1.10alpha}
\let\@exp\expandafter
\@exp\edef\csname\tc@tmp@altpackname version\endcsname{\tc@tmp@packversion}
\@exp\@exp\@exp\ProvidesPackage\@exp\@exp\@exp{\@exp\tc@tmp@packname\@exp}\@exp[\tc@tmp@packdate\space v\tc@tmp@packversion\space\tc@tmp@packdesc]


\RequirePackage{ufrgscca-curr}


%%%%%%%%%%%
%%%%%%%%%%%
%%%%%%%%%%%

\NewDocumentEnvironment{tikzGraphSem}{O{4.2:2.1}D<>{11.5:-18.5}}{%
    \StrCut{#1}{:}{\gr@dX}{\gr@dY}
    \StrCut{#2}{:}{\gr@xX}{\gr@yY}
    \def\gr@Xa{0}\def\gr@Xb{\gr@xX*\gr@dX}
    \def\gr@Ya{0}\def\gr@Yb{\gr@yY*\gr@dY}
    \begin{tikzpicture}[%
        disc/.style={%
          ellipse split, double, draw, line width=2pt,%
          every text node part/.style={font=\small\bfseries},%
          every lower node part/.style={font=\large\bfseries,color=blue}},%
        dep/.style={->,dotted,line width=3pt}]%
      \begin{scope}\clip(\gr@Xa,\gr@Ya) -- (\gr@Xa,\gr@Yb) -- (\gr@Xb,\gr@Yb) -- (\gr@Xb,\gr@Ya);%
         \filldraw[color=red](5.5*\gr@dX,-0.25*\gr@dY)node{\Huge\textbf{\GraphTitle}};%
}{%
      \end{scope}%
    \end{tikzpicture}%
}

\NewDocumentCommand\GraphSem{O{ob}m}{%
    \LstClass[\GraphClass]{#2}%
    \draw (\csname gr@etidx:\csname gr@et:\gr@sem.idx\endcsname.pos\endcsname*\gr@dX-0.5*\gr@dX,-\gr@dY) node[disc](Et. #2){Etapa #2 \nodepart{lower} \arabic{gr@cred#1},#1};%
}

\NewDocumentCommand\GraphClass{m}{%
    \edef\gr@topic{\csname gr@class:#1.topic\endcsname}%
    \edef\gr@color{\csname gr@topic:\gr@topic.color\endcsname}%
    \draw[\gr@color] (\csname gr@etidx:\csname gr@et:\gr@sem.idx\endcsname.pos\endcsname*\gr@dX-0.5*\gr@dX,\csname gr@class:#1.pos\endcsname*\gr@dY-1.25*\gr@dY) node[disc](#1){#1 \nodepart{lower} \csname gr@class:#1.cred\endcsname,\csname gr@class:#1.typ\endcsname};%
    \LstDep[\GraphDep]{#1}%
}

\NewDocumentCommand\GraphDep{m}{%
      \edef\gr@topic{\csname gr@class:\gr@disc.dep\gr@depSeq:#1.topic\endcsname}%
      \xdef\gr@DepColor{\csname gr@topic:\gr@topic.color\endcsname}%
       %\xdef\gr@DepColor{\csname gr@class:\gr@disc.dep\gr@depSeq:#1.topic\endcsname}%
       \def\gr@angOUT{\gr@ANG} \def\gr@angIN{180-\gr@ANG}%
       \xdef\gr@deppos{\csname gr@class:\gr@disc.dep\gr@depSeq:#1.pos\endcsname}%
       \def\gr@depcut{\StrCut{\gr@deppos}{:}{\gr@angOUT}{\gr@ANG}}%
       \gr@case@angle{\gr@deppos}%
      \path[dep,\gr@DepColor] (#1)edge[out=\gr@angOUT,in=\gr@angIN] (\gr@disc);%
}

\def\gr@Z{0} \def\gr@A{30}  \def\gr@B{60}  \def\gr@C{80}

\mkswitch[\gr@depcut]\gr@case@angle
\addcase\gr@case@angle{}{\def\gr@ANG{0}}
\addcase\gr@case@angle{A}{\def\gr@ANG{\gr@A}}
\addcase\gr@case@angle{B}{\def\gr@ANG{\gr@B}}
\addcase\gr@case@angle{C}{\def\gr@ANG{\gr@C}}
\addcase\gr@case@angle{-A}{\def\gr@ANG{-\gr@A}}
\addcase\gr@case@angle{-B}{\def\gr@ANG{-\gr@B}}
\addcase\gr@case@angle{-C}{\def\gr@ANG{-\gr@C}}