| Current File : //usr/share/texlive/texmf-dist/tex/generic/pgf/graphdrawing/tex/tikzlibrarygraphdrawing.code.tex |
% Copyright 2018 by Renée Ahrens, Olof Frahm, Jens Kluttig, Matthias Schulz, Stephan Schuster
% Copyright 2018 by Till Tantau
%
% 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 file doc/generic/pgf/licenses/LICENSE for more details.
\ProvidesFileRCS{tikzlibrarygraphdrawing.code.tex}
\usepgflibrary{graphdrawing}%
\def\tikz@lib@ensure@gd@loaded{}%
% Patch the level and sibling distances so that gd and plain tikz are
% in sync
\tikzset{level distance=1cm, sibling distance=1cm}%
% Patch node distance because of its special syntax.
\pgfkeysgetvalue{/graph drawing/node distance/.@cmd}\tikz@lib@gd@node@dist@path
\pgfkeyslet{/graph drawing/node distance/orig/.@cmd}\tikz@lib@gd@node@dist@path
\pgfkeysdef{/graph drawing/node distance}{
\pgfutil@in@{ and }{#1}%
\ifpgfutil@in@%
\tikz@gd@convert@and#1\pgf@stop%
\else%
\tikz@gd@convert@and#1 and #1\pgf@stop%
\fi%
}%
\def\tikz@gd@convert@and#1 and #2\pgf@stop{\pgfkeys{/graph drawing/node distance/orig={#1}}}%
%
% Setup graph drawing for tikz
%
\def\tikz@gd@request@callback#1#2{%
\tikzset{
execute at begin scope={
\tikzset{
--/.style={arrows=-},
-!-/.style={draw=none,fill=none},
}
\pgfgdsetedgecallback{\pgfgdtikzedgecallback}%
%
% Setup for plain syntax
%
\pgfgdaddspecificationhook{\tikz@lib@gd@spec@hook}%
#1
\let\tikzgdeventcallback\pgfgdevent%
\let\tikzgdeventgroupcallback\pgfgdeventgroup%
\let\tikzgdlatenodeoptionacallback\pgfgdsetlatenodeoption%
},
execute at end scope={%
#2%
}
}%
}%
\pgfgdsetrequestcallback\tikz@gd@request@callback
\pgfgdappendtoforwardinglist{/tikz/,/tikz/graphs/}%
\def\tikz@lib@gd@spec@hook{%
\tikzset{
edge macro=\tikz@gd@plain@edge@macro,
/tikz/at/.style={/graph drawing/desired at={##1}},
%
% Setup for the tree syntax (do this late so that grow options
% are still valid after a layout has been chosen)
%
/tikz/growth function=\relax,
/tikz/edge from parent macro=\tikz@gd@edge@from@parent@macro,
%
% Setup for the graphs syntax
%
/tikz/graphs/new ->/.code n args={4}{\pgfgdedge{##1}{##2}{->}{/tikz,##3}{##4}},
/tikz/graphs/new <-/.code n args={4}{\pgfgdedge{##1}{##2}{<-}{/tikz,##3}{##4}},
/tikz/graphs/new --/.code n args={4}{\pgfgdedge{##1}{##2}{--}{/tikz,##3}{##4}},
/tikz/graphs/new <->/.code n args={4}{\pgfgdedge{##1}{##2}{<->}{/tikz,##3}{##4}},
/tikz/graphs/new -!-/.code n args={4}{\pgfgdedge{##1}{##2}{-!-}{/tikz,##3}{##4}},
/tikz/graphs/placement/compute position/.code=,%
}
}%
\pgfgdaddprepareedgehook{
\tikz@enable@edge@quotes%
\let\tikz@transform=\pgfutil@empty%
\let\tikz@options=\pgfutil@empty%
\let\tikz@tonodes=\pgfutil@empty%
}%
\tikzset{
parent anchor/.forward to=/graph drawing/tail anchor,
child anchor/.forward to=/graph drawing/head anchor
}%
\def\pgfgdtikzedgecallback#1#2#3#4#5#6#7#8{%
\def\pgf@temp{#8}%
\ifx\pgf@temp\pgfutil@empty%
\else%
\pgfscope%
\pgfset{every graphdrawing animation/.try}%
\pgfset{every graphdrawing edge animation/.try}%
#8%
\pgfuseid{pgf@gd}%
\pgfidscope%
\fi%
\begingroup
\draw (#1)
edge [to path={#7 \tikztonodes},#3,#4,/graph drawing/.cd,#6,/tikz/.cd]
#5
(#2);
\endgroup
\ifx\pgf@temp\pgfutil@empty%
\else%
\endpgfidscope%
\endpgfscope%
\fi%
}%
\def\tikz@gd@edge@from@parent@macro#1#2{
[/utils/exec=\pgfgdedge{\tikzparentnode}{\tikzchildnode}{--}{/tikz,#1}{#2}]
}%
\def\tikz@gd@plain@edge@macro#1#2{
\pgfgdedge{\tikztostart}{\tikztotarget}{--}{/tikz,#1}{#2}
}%
%
% Conversions: Convert coordinates into pairs of values surrounded by
% braces.
%
\pgfgdset{
conversions/canvas coordinate/.code={%
\tikz@scan@one@point\pgf@process#1%
\pgfmathsetmacro{\tikz@gd@temp@x}{\pgf@x}
\pgfmathsetmacro{\tikz@gd@temp@y}{\pgf@y}
\edef\pgfgdresult{pgf.gd.model.Coordinate.new(\tikz@gd@temp@x,\tikz@gd@temp@y)}
},
conversions/coordinate/.code={%
\tikz@scan@one@point\pgf@process#1%
\pgfmathsetmacro{\tikz@gd@temp@x}{\pgf@x}
\pgfmathsetmacro{\tikz@gd@temp@y}{\pgf@y}
\edef\pgfgdresult{pgf.gd.model.Coordinate.new(\tikz@gd@temp@x,\tikz@gd@temp@y)}
}
}%
%
% Overwrite node callback
%
\def\pgfgdcallbackcreatevertex#1#2#3#4{%
\node[every generated node/.try,name={#1},shape={#2},/graph drawing/.cd,#3]{#4};%
}%
%
% Subgraph handling
%
% "General" text placement for subgraph nodes that works with all node
% kinds.
\tikzset{
subgraph text top/.code=\tikz@lg@simple@contents@top{#1},%
subgraph text top/.default=text ragged,
subgraph text bottom/.code=\tikz@lg@simple@contents@bottom{#1},%
subgraph text bottom/.default=text ragged,
subgraph text sep/.initial=.1em,
subgraph text none/.code={
\def\pgfgdsubgraphnodecontents##1{%
\pgf@y=\pgfkeysvalueof{/graph drawing/subgraph bounding box height}\relax%
\hbox to \pgfkeysvalueof{/graph drawing/subgraph bounding box width}{%
\vrule width0pt height.5\pgf@y depth.5\pgf@y\hfil}%
}%
},
}%
\def\tikz@lg@simple@contents@top#1{%
\def\pgfgdsubgraphnodecontents##1{%
\vbox{%
\def\pgf@temp{##1}%
\ifx\pgf@temp\pgfutil@empty%
\else%
\ifx\pgf@temp\pgfutil@sptoken%
\else%
\hbox to \pgfkeysvalueof{/graph drawing/subgraph bounding box width}{%
\hsize=\pgfkeysvalueof{/graph drawing/subgraph bounding box width}\relax%
\vbox{\noindent\strut\tikzset{#1}\tikz@text@action\pgf@temp}%
}%
\fi%
\fi%
\pgfmathparse{\pgfkeysvalueof{/tikz/subgraph text sep}}%
\kern\pgfmathresult pt\relax%
\pgf@y=\pgfkeysvalueof{/graph drawing/subgraph bounding box height}\relax%
\hbox to \pgfkeysvalueof{/graph drawing/subgraph bounding box width}{%
\vrule width0pt height.5\pgf@y depth.5\pgf@y\hfil}%
}%
}%
}%
\def\tikz@lg@simple@contents@bottom#1{%
\def\pgfgdsubgraphnodecontents##1{%
{%
\pgf@y=\pgfkeysvalueof{/graph drawing/subgraph bounding box height}\relax%
\setbox0=\vbox{%
\hbox to \pgfkeysvalueof{/graph drawing/subgraph bounding box width}{\vrule width0pt height\pgf@y\hfil}%
\pgfmathparse{\pgfkeysvalueof{/tikz/subgraph text sep}}%
\kern\pgfmathresult pt\relax%
\def\pgf@temp{##1}%
\ifx\pgf@temp\pgfutil@empty%
\else%
\ifx\pgf@temp\pgfutil@sptoken%
\else%
\hbox to \pgfkeysvalueof{/graph drawing/subgraph bounding box width}{%
\hsize=\pgfkeysvalueof{/graph drawing/subgraph bounding box width}\relax%
\vbox{\noindent\strut\tikzset{#1}\tikz@text@action\pgf@temp}%
}%
\fi%
\fi%
}%
\pgf@ya=\ht0\relax%
\advance\pgf@ya by-.5\pgf@y\relax%
\ht0=.5\pgf@y\relax%
\dp0=\pgf@ya\relax%
\box0\relax%
}%
}%
}%
\tikzset{subgraph text top}%
\tikzset{
subgraph nodes/.style={/tikz/every subgraph node/.style={#1}},
graphs/subgraph nodes/.style={/tikz/every subgraph node/.style={#1}},
graphs/@graph drawing setup/.style={/graph drawing/anchor at={(\tikz@lastx,\tikz@lasty)}}
}%
\endinput