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% Copyright 2006 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.
\ProvidesPackageRCS[v\pgfversion] $Header: /cvsroot/pgf/pgf/generic/pgf/frontendlayer/tikz/tikz.code.tex,v 1.76 2010/10/13 09:20:31 ludewich Exp $
% Always-present libraries (|\usepgflibrary| defined in
% \file{pgfutil-common.tex}).
\usepgflibrary{plothandlers}
\newdimen\tikz@lastx
\newdimen\tikz@lasty
\newdimen\tikz@lastxsaved
\newdimen\tikz@lastysaved
\newdimen\tikzleveldistance
\newdimen\tikzsiblingdistance
\newbox\tikz@figbox
\newbox\tikz@tempbox
\newcount\tikztreelevel
\newcount\tikznumberofchildren
\newcount\tikznumberofcurrentchild
\newcount\tikz@fig@count
\newif\iftikz@node@is@a@label
\newif\iftikz@snaked
\newif\iftikz@decoratepath
% |\pgfutil@empty| is defined in \file{pgfutil-common.tex}.
\let\tikz@options=\pgfutil@empty
% |\tikz@addoption| adds \texttt{#1} at the end of the replacement
% text of |\tikz@options| without expansion.
\def\tikz@addoption#1{%
\expandafter\def\expandafter\tikz@options\expandafter{\tikz@options#1}}
% Same as |tikz@addoption| for |\tikz@mode|. Note that |\tikz@mode| is
% initially let to |\pgfutil@empty| later (see path usage options).
\def\tikz@addmode#1{%
\expandafter\def\expandafter\tikz@mode\expandafter{\tikz@mode#1}}
% Same as |tikz@addoption| for |\tikz@transform|. Works even if
% |\tikz@transform| is not defined. In that case, nothing is added to
% |\tikz@transform|: \texttt{#1} is expanded.
\def\tikz@addtransform#1{%
\ifx\tikz@transform\relax
#1%
\else
\expandafter\def\expandafter\tikz@transform\expandafter{\tikz@transform#1}%
\fi}
% TikZ options management.
% Setting up the tikz key family (key management needs
% \file{pgfkeys.code.tex});
\pgfkeys{/tikz/.is family}
% |\tikzset| is a shortcut to set keys that belongs to the tikz
% family.
\def\tikzset{\pgfqkeys{/tikz}}
% Note: |\tikzoption| is supported for compatibility only. |\tikzset|
% should be used instead.
\def\tikzoption#1{%
\pgfutil@ifnextchar[%]
{\tikzoption@opt{#1}}{\tikzoption@noopt{#1}}}
\def\tikzoption@opt#1[#2]#3{%
\pgfkeysdef{/tikz/#1}{#3}%
\pgfkeyssetvalue{/tikz/#1/.@def}{#2}}
\def\tikzoption@noopt#1#2{%
\pgfkeysdef{/tikz/#1}{#2}%
\pgfkeyssetvalue{/tikz/#1/.@def}{\pgfkeysvaluerequired}}
% Baseline options
\tikzoption{baseline}[0pt]{%
\pgfutil@ifnextchar(%)
{\tikz@baseline@coordinate}{\tikz@baseline@simple}#1\@nil}
\def\tikz@baseline@simple#1\@nil{\pgfsetbaseline{#1}}
\def\tikz@baseline@coordinate#1\@nil{%
\pgfsetbaselinepointlater{\tikz@scan@one@point\pgfutil@firstofone#1}}
\tikzoption{trim left}[0pt]{\pgfutil@ifnextchar({\tikz@trim@coordinate{left}}{\tikz@trim@simple{left}}#1\@nil}%)
\tikzoption{trim right}{\pgfutil@ifnextchar({\tikz@trim@coordinate{right}}{\tikz@trim@simple{right}}#1\@nil}%)
\def\tikz@trim@simple#1#2\@nil{\csname pgfsettrim#1\endcsname{#2}}
\def\tikz@trim@coordinate#1#2\@nil{\csname pgfsettrim#1pointlater\endcsname{\tikz@scan@one@point\pgfutil@firstofone#2}}
% Draw options
\tikzoption{line width}{\tikz@semiaddlinewidth{#1}}%
\def\tikz@semiaddlinewidth#1{\tikz@addoption{\pgfsetlinewidth{#1}}\pgfmathsetlength\pgflinewidth{#1}}
\tikzoption{cap}{\tikz@addoption{\csname pgfset#1cap\endcsname}}
\tikzoption{join}{\tikz@addoption{\csname pgfset#1join\endcsname}}
\tikzoption{line cap}{\tikz@addoption{\csname pgfset#1cap\endcsname}}
\tikzoption{line join}{\tikz@addoption{\csname pgfset#1join\endcsname}}
\tikzoption{miter limit}{\tikz@addoption{\pgfsetmiterlimit{#1}}}
\tikzoption{dash pattern}{% syntax: on 2pt off 3pt on 4pt ...
\def\tikz@temp{#1}%
\ifx\tikz@temp\pgfutil@empty%
\def\tikz@dashpattern{}%
\tikz@addoption{\pgfsetdash{}{0pt}}%
\else%
\def\tikz@dashpattern{}%
\expandafter\tikz@scandashon\pgfutil@gobble#1o\@nil%
\edef\tikz@temp{{\tikz@dashpattern}{\noexpand\tikz@dashphase}}%
\expandafter\tikz@addoption\expandafter{\expandafter\pgfsetdash\tikz@temp}%
\fi}
\tikzoption{dash phase}{%
\def\tikz@dashphase{#1}%
\edef\tikz@temp{{\tikz@dashpattern}{\noexpand\tikz@dashphase}}%
\expandafter\tikz@addoption\expandafter{\expandafter\pgfsetdash\tikz@temp}%
}%
\def\tikz@dashphase{0pt}
\def\tikz@dashpattern{}
\def\tikz@scandashon n#1o{%
\expandafter\def\expandafter\tikz@dashpattern\expandafter{\tikz@dashpattern{#1}}%
\pgfutil@ifnextchar\@nil{\pgfutil@gobble}{\tikz@scandashoff}}
\def\tikz@scandashoff ff#1o{%
\expandafter\def\expandafter\tikz@dashpattern\expandafter{\tikz@dashpattern{#1}}%
\pgfutil@ifnextchar\@nil{\pgfutil@gobble}{\tikz@scandashon}}
\tikzoption{draw opacity}{\tikz@addoption{\pgfsetstrokeopacity{#1}}}
% Double draw options
\tikzoption{double}[]{%
\def\tikz@temp{#1}%
\ifx\tikz@temp\tikz@nonetext%
\tikz@addmode{\tikz@mode@doublefalse}%
\else%
\ifx\tikz@temp\pgfutil@empty%
\else%
\pgfsetinnerstrokecolor{#1}%
\fi%
\tikz@addmode{\tikz@mode@doubletrue}%
\tikzset{every double/.try}%
\fi}
\tikzoption{double distance}{%
\pgfmathsetlength{\pgf@x}{#1}%
\edef\tikz@double@setup{%
\pgf@x=\the\pgf@x%
\advance\pgf@x by2\pgflinewidth%
\pgflinewidth=\pgf@x%
\noexpand\pgfsetlinewidth{\pgflinewidth}%
\noexpand\pgfsetinnerlinewidth{\the\pgf@x}%
}%
\tikzset{double}}
\def\tikz@double@setup{%
\pgf@x=2\pgflinewidth%
\advance\pgf@x by0.6pt%
\pgflinewidth=\pgf@x%
\pgfsetlinewidth{\pgflinewidth}%
\pgfsetinnerlinewidth{0.6pt}%
}%
\tikzset{double distance between line centers/.code={
\pgfmathsetlength{\pgf@x}{#1}%
\edef\tikz@double@setup{%
\pgf@x=\pgflinewidth%
\pgf@xa=\the\pgf@x%
\advance\pgf@x by\pgf@xa%
\advance\pgf@xa by-\pgflinewidth%
\pgflinewidth=\pgf@x%
\noexpand\pgfsetlinewidth{\pgflinewidth}%
\noexpand\pgfsetinnerlinewidth{\pgf@xa}%
}%
\tikzset{double}}}
\tikzset{double equal sign distance/.style={double distance between line centers=0.45ex}}
% Fill options
\tikzoption{even odd rule}[]{\tikz@addoption{\pgfseteorule}}
\tikzoption{nonzero rule}[]{\tikz@addoption{\pgfsetnonzerorule}}
\tikzoption{fill opacity}{\tikz@addoption{\pgfsetfillopacity{#1}}}
% Joined fill/draw options
\tikzoption{opacity}{\tikz@addoption{\pgfsetstrokeopacity{#1}\pgfsetfillopacity{#1}}}
% Main color options
\tikzoption{color}{%
\tikz@addoption{%
\ifx\tikz@fillcolor\pgfutil@empty%
\ifx\tikz@strokecolor\pgfutil@empty%
\else%
\pgfsys@color@reset@inorderfalse%
\let\tikz@strokecolor\pgfutil@empty%
\let\tikz@fillcolor\pgfutil@empty%
\fi%
\else%
\pgfsys@color@reset@inorderfalse%
\let\tikz@strokecolor\pgfutil@empty%
\let\tikz@fillcolor\pgfutil@empty%
\fi%
\pgfutil@colorlet{tikz@color}{#1}%
\pgfutil@colorlet{.}{tikz@color}%
\pgfsetcolor{.}%
\pgfsys@color@reset@inordertrue%
}%
\def\tikz@textcolor{#1}}
% Rounding options
\tikzoption{rounded corners}[4pt]{\pgfsetcornersarced{\pgfpoint{#1}{#1}}}
\tikzoption{sharp corners}[]{\pgfsetcornersarced{\pgfpointorigin}}
% Radii and arc options
\tikzset{x radius/.initial=0pt}
\tikzset{y radius/.initial=0pt}
\tikzset{radius/.style={/tikz/x radius=#1,/tikz/y radius=#1}}
\tikzset{start angle/.initial=}
\tikzset{end angle/.initial=}
\tikzset{delta angle/.initial=}
% Coordinate options
\tikzoption{x}{\tikz@handle@vec{\pgfsetxvec}{\tikz@handle@x}#1\relax}
\tikzoption{y}{\tikz@handle@vec{\pgfsetyvec}{\tikz@handle@y}#1\relax}
\tikzoption{z}{\tikz@handle@vec{\pgfsetzvec}{\tikz@handle@z}#1\relax}
\def\tikz@handle@vec#1#2{\pgfutil@ifnextchar({\tikz@handle@coordinate#1}{\tikz@handle@single#2}}
\def\tikz@handle@coordinate#1{\tikz@scan@one@point#1}
\def\tikz@handle@single#1#2\relax{#1{#2}}
\def\tikz@handle@x#1{\pgfsetxvec{\pgfpoint{#1}{0pt}}}
\def\tikz@handle@y#1{\pgfsetyvec{\pgfpoint{0pt}{#1}}}
\def\tikz@handle@z#1{\pgfsetzvec{\pgfpoint{#1}{#1}}}
% Transformation options
\tikzoption{scale}{\tikz@addtransform{\pgftransformscale{#1}}}
\tikzoption{scale around}{\tikz@addtransform{\def\tikz@aroundaction{\pgftransformscale}\tikz@doaround{#1}}}
\tikzoption{xscale}{\tikz@addtransform{\pgftransformxscale{#1}}}
\tikzoption{xslant}{\tikz@addtransform{\pgftransformxslant{#1}}}
\tikzoption{yscale}{\tikz@addtransform{\pgftransformyscale{#1}}}
\tikzoption{yslant}{\tikz@addtransform{\pgftransformyslant{#1}}}
\tikzoption{rotate}{\tikz@addtransform{\pgftransformrotate{#1}}}
\tikzoption{rotate around}{\tikz@addtransform{\def\tikz@aroundaction{\pgftransformrotate}\tikz@doaround{#1}}}
\def\tikz@doaround#1{%
\edef\tikz@temp{#1}% get rid of active stuff
\expandafter\tikz@doparseA\tikz@temp%
}%
\def\tikz@doparseA#1:{%
\def\tikz@temp@rot{#1}%
\tikz@scan@one@point\tikz@doparseB%
}
\def\tikz@doparseB#1{%
\pgf@process{#1}%
\pgf@xc=\pgf@x%
\pgf@yc=\pgf@y%
\pgftransformshift{\pgfqpoint{\pgf@xc}{\pgf@yc}}%
\tikz@aroundaction{\tikz@temp@rot}%
\pgftransformshift{\pgfqpoint{-\pgf@xc}{-\pgf@yc}}%
}
\tikzoption{shift}{\tikz@addtransform{\tikz@scan@one@point\pgftransformshift#1\relax}}
\tikzoption{xshift}{\tikz@addtransform{\pgftransformxshift{#1}}}
\tikzoption{yshift}{\tikz@addtransform{\pgftransformyshift{#1}}}
\tikzoption{cm}{\tikz@addtransform{\tikz@parse@cm#1\relax}}
\tikzoption{reset cm}[]{\tikz@addtransform{\pgftransformreset}}
\tikzoption{shift only}[]{\tikz@addtransform{\pgftransformresetnontranslations}}
\def\tikz@parse@cm#1,#2,#3,#4,{%
\def\tikz@p@cm{{#1}{#2}{#3}{#4}}%
\tikz@scan@one@point\tikz@parse@cmA}
\def\tikz@parse@cmA#1{%
\expandafter\pgftransformcm\tikz@p@cm{#1}%
}
\tikzset{transform canvas/.code=%
{%
\tikz@addoption
{%
{%
\pgftransformreset%
\let\tikz@transform=\relax%
\tikzset{#1}%
\pgflowlevelsynccm%
}%
\pgf@relevantforpicturesizefalse%
}%
}%
}
% Grid options
\tikzoption{xstep}{\def\tikz@grid@x{#1}}
\tikzoption{ystep}{\def\tikz@grid@y{#1}}
\tikzoption{step}{\tikz@handle@vec{\tikz@step@point}{\tikz@step@single}#1\relax}
\def\tikz@step@single#1{\def\tikz@grid@x{#1}\def\tikz@grid@y{#1}}
\def\tikz@step@point#1{\pgf@process{#1}\edef\tikz@grid@x{\the\pgf@x}\edef\tikz@grid@y{\the\pgf@y}}
\def\tikz@grid@x{1cm}
\def\tikz@grid@y{1cm}
% Current point updates
\newif\iftikz@current@point@local
\tikzset{current point is local/.is if=tikz@current@point@local}
% Path usage options
\newif\iftikz@mode@double
\newif\iftikz@mode@fill
\newif\iftikz@mode@draw
\newif\iftikz@mode@clip
\newif\iftikz@mode@boundary
\newif\iftikz@mode@shade
\newif\iftikz@mode@fade@path
\newif\iftikz@mode@fade@scope
\let\tikz@mode=\pgfutil@empty
\def\tikz@nonetext{none}
\tikzoption{path only}[]{\let\tikz@mode=\pgfutil@empty}
\tikzoption{shade}[]{\tikz@addmode{\tikz@mode@shadetrue}}
\tikzoption{fill}[]{%
\edef\tikz@temp{#1}%
\ifx\tikz@temp\tikz@nonetext%
\tikz@addmode{\tikz@mode@fillfalse}%
\else%
\ifx\tikz@temp\pgfutil@empty%
\else%
\tikz@addoption{\pgfsetfillcolor{#1}}%
\def\tikz@fillcolor{#1}%
\fi%
\tikz@addmode{\tikz@mode@filltrue}%
\fi%
}
\tikzoption{draw}[]{%
\edef\tikz@temp{#1}%
\ifx\tikz@temp\tikz@nonetext%
\tikz@addmode{\tikz@mode@drawfalse}%
\else%
\ifx\tikz@temp\pgfutil@empty%
\else%
\tikz@addoption{\pgfsetstrokecolor{#1}}%
\def\tikz@strokecolor{#1}%
\fi%
\tikz@addmode{\tikz@mode@drawtrue}%
\fi%
}
\tikzoption{clip}[]{\tikz@addmode{\tikz@mode@cliptrue}}
\tikzoption{use as bounding box}[]{\tikz@addmode{\tikz@mode@boundarytrue}}
\tikzoption{save path}{\tikz@addmode{\pgfsyssoftpath@getcurrentpath#1\global\let#1=#1}}
\let\tikz@fillcolor=\pgfutil@empty
\let\tikz@strokecolor=\pgfutil@empty
% Insert a path using an option
\tikzset{insert path/.code=\tikz@scan@next@command#1\pgf@stop}
% Pattern options
\tikzset{pattern/.code=\PackageError{tikz}{You need to say \string\usetikzlibrary{patterns}}{},
pattern color/.style=pattern}
% Path pictures
\tikzset{path picture/.code=\tikz@addmode{\def\tikz@path@picture{#1}}}
% Fading options
\tikzset{path fading/.code={
\def\tikz@temp{#1}%
\ifx\tikz@temp\tikz@nonetext%
\tikz@addmode{\tikz@mode@fade@pathfalse}%
\else%
\ifx\tikz@temp\pgfutil@empty%
\else%
\def\tikz@path@fading{#1}%
\fi%
\tikz@addmode{\tikz@mode@fade@pathtrue}%
\fi%
},
path fading/.default=,
scope fading/.code={
\def\tikz@temp{#1}%
\ifx\tikz@temp\tikz@nonetext%
\tikz@addmode{\tikz@mode@fade@scopefalse}%
\else%
\ifx\tikz@temp\pgfutil@empty%
\else%
\def\tikz@scope@fading{#1}%
\fi%
\tikz@addmode{\tikz@mode@fade@scopetrue}%
\fi%
},
scope fading/.default=}
\tikzset{fit fading/.is if=tikz@fade@adjust}
\tikzset{fading transform/.store in=\tikz@fade@transform}
\tikzset{fading angle/.style={fading transform={rotate=#1}}}
\newif\iftikz@fade@adjust
\tikz@fade@adjusttrue
\let\tikz@fade@transform\pgfutil@empty
\pgfutil@colorlet{transparent}{pgftransparent}
\def\tikz@do@fade@transform{\let\tikz@transform=\relax\expandafter\tikzset\expandafter{\tikz@fade@transform}}
% Transparency groups
\newif\iftikz@transparency@group
\tikzset{/tikz/transparency group/.is if=tikz@transparency@group}
% Shading options
\tikzoption{shading}{\def\tikz@shading{#1}\tikz@addmode{\tikz@mode@shadetrue}}
\tikzoption{shading angle}{\def\tikz@shade@angle{#1}\tikz@addmode{\tikz@mode@shadetrue}}
\tikzoption{top color}{%
\pgfutil@colorlet{tikz@axis@top}{#1}%
\pgfutil@colorlet{tikz@axis@middle}{tikz@axis@top!50!tikz@axis@bottom}%
\def\tikz@shading{axis}\def\tikz@shade@angle{0}\tikz@addmode{\tikz@mode@shadetrue}}
\tikzoption{bottom color}{%
\pgfutil@colorlet{tikz@axis@bottom}{#1}%
\pgfutil@colorlet{tikz@axis@middle}{tikz@axis@top!50!tikz@axis@bottom}%
\def\tikz@shading{axis}\def\tikz@shade@angle{0}\tikz@addmode{\tikz@mode@shadetrue}}
\tikzoption{middle color}{%
\pgfutil@colorlet{tikz@axis@middle}{#1}%
\def\tikz@shading{axis}\tikz@addmode{\tikz@mode@shadetrue}}
\tikzoption{left color}{%
\pgfutil@colorlet{tikz@axis@top}{#1}%
\pgfutil@colorlet{tikz@axis@middle}{tikz@axis@top!50!tikz@axis@bottom}%
\def\tikz@shading{axis}\def\tikz@shade@angle{90}\tikz@addmode{\tikz@mode@shadetrue}}
\tikzoption{right color}{%
\pgfutil@colorlet{tikz@axis@bottom}{#1}%
\pgfutil@colorlet{tikz@axis@middle}{tikz@axis@top!50!tikz@axis@bottom}%
\def\tikz@shading{axis}\def\tikz@shade@angle{90}\tikz@addmode{\tikz@mode@shadetrue}}
\tikzoption{ball color}{\pgfutil@colorlet{tikz@ball}{#1}\def\tikz@shading{ball}\tikz@addmode{\tikz@mode@shadetrue}}
\tikzoption{inner color}{\pgfutil@colorlet{tikz@radial@inner}{#1}\def\tikz@shading{radial}\tikz@addmode{\tikz@mode@shadetrue}}
\tikzoption{outer color}{\pgfutil@colorlet{tikz@radial@outer}{#1}\def\tikz@shading{radial}\tikz@addmode{\tikz@mode@shadetrue}}
\def\tikz@shading{axis}
\def\tikz@shade@angle{0}
\pgfdeclareverticalshading[tikz@axis@top,tikz@axis@middle,tikz@axis@bottom]{axis}{100bp}{%
color(0bp)=(tikz@axis@bottom);
color(25bp)=(tikz@axis@bottom);
color(50bp)=(tikz@axis@middle);
color(75bp)=(tikz@axis@top);
color(100bp)=(tikz@axis@top)}
\pgfutil@colorlet{tikz@axis@top}{gray}
\pgfutil@colorlet{tikz@axis@middle}{gray!50!white}
\pgfutil@colorlet{tikz@axis@bottom}{white}
\pgfdeclareradialshading[tikz@ball]{ball}{\pgfqpoint{-10bp}{10bp}}{%
color(0bp)=(tikz@ball!15!white);
color(9bp)=(tikz@ball!75!white);
color(18bp)=(tikz@ball!70!black);
color(25bp)=(tikz@ball!50!black);
color(50bp)=(black)}
\pgfutil@colorlet{tikz@ball}{blue}
\pgfdeclareradialshading[tikz@radial@inner,tikz@radial@outer]{radial}{\pgfpointorigin}{%
color(0bp)=(tikz@radial@inner);
color(25bp)=(tikz@radial@outer);
color(50bp)=(tikz@radial@outer)}
\pgfutil@colorlet{tikz@radial@inner}{gray}
\pgfutil@colorlet{tikz@radial@outer}{white}
% Pin options
\tikzset{
pin/.code={\pgfutil@ifnextchar[{\tikz@parse@pin}{\tikz@parse@pin[]}#1:\pgf@nil},%}
pin distance/.store in=\tikz@pin@distance,
pin distance=3ex,
pin position/.store in=\tikz@pin@default@pos,
pin position=above,
pin edge/.store in=\tikz@pin@edge@style,
pin edge={},
tikz@pin@post/.code={\global\let\tikz@pin@edge@style@smuggle=\tikz@pin@edge@style},
tikz@pre@pin@edge/.code={%
\def\pgf@marshal{\tikzstyle{tikz@pin@options}=}
\expandafter\pgf@marshal\expandafter[\tikz@pin@edge@style@smuggle]%
}%
}
\long\def\tikz@parse@pin[#1]#2:#3\pgf@nil{%
\def\tikz@temp{#3}%
\ifx\tikz@temp\pgfutil@empty%
% no position, use default
\tikz@@parse@pin[#1]\tikz@pin@default@pos:#2:\pgf@nil%
\else%
\tikz@@parse@pin[#1]#2:#3\pgf@nil%
\fi%
}
\long\def\tikz@@parse@pin[#1]#2:#3:\pgf@nil{%
\tikzset{append after command={%
\bgroup
[current point is local=true]
\pgfextra{\let\tikz@save@last@node=\tikzlastnode}%
node [every pin,tikz@label@angle=#2,#1,%
append after command={(\tikz@save@last@node) edge[every pin edge,tikz@pre@pin@edge,tikz@pin@options] (\tikzlastnode)},
tikz@label@post=\tikz@pin@distance,tikz@pin@post]
{#3}
\egroup%
}}
}
% Label and pin options
\tikzset{
label/.code={\pgfutil@ifnextchar[{\tikz@parse@label}{\tikz@parse@label[]}#1:\pgf@nil},%}
label distance/.store in=\tikz@label@distance,
label distance=0pt,
label position/.store in=\tikz@label@default@pos,
label position=above,
absolute/.is if=tikz@absolute,
tikz@label@angle/.store in=\tikz@label@angle
}
\newif\iftikz@absolute
\def\tikz@on@text{center}
\tikzset{tikz@label@post/.code 2 args={
\edef\tikz@label@angle{\tikz@label@angle}%
\csname tikz@label@angle@is@\tikz@label@angle\endcsname
\ifx\tikz@label@angle\tikz@on@text%
\def\tikz@node@at{\pgfpointanchor{\tikzlastnode}{center}}%
\def\tikz@anchor{center}%
\else%
\iftikz@absolute%
\pgftransformreset%
\pgf@process{%
\pgfpointshapeborder{\tikzlastnode}%
{\pgfpointadd{\pgfpointanchor{\tikzlastnode}{center}}{\pgfpointpolar{\tikz@label@angle}{1pt}}}}%
\edef\tikz@node@at{\noexpand\pgfqpoint{\the\pgf@x}{\the\pgf@y}}%
\tikz@compute@direction{\tikz@label@angle}%
\tikz@addtransform{\pgftransformshift{\pgfpointpolar{\tikz@label@angle}{#1}}}%
\else%
\pgf@process{\pgfpointanchor{\tikzlastnode}{\tikz@label@angle}}%
\edef\tikz@node@at{\noexpand\pgfqpoint{\the\pgf@x}{\the\pgf@y}}%
\pgf@xb=\pgf@x%
\pgf@yb=\pgf@y%
\pgf@process{\pgfpointanchor{\tikzlastnode}{center}}%
\pgf@xc=\pgf@x%
\pgf@yc=\pgf@y%
\tikz@label@simplefalse%
\iftikz@fullytransformed%
\tikz@label@simpletrue%
\else
\ifdim\pgf@xc=\pgf@xb\relax%
\ifdim\pgf@yc=\pgf@yb\relax%
\tikz@label@simpletrue%
\fi%
\fi%
\fi%
\iftikz@label@simple%
\tikz@compute@direction{\tikz@label@angle}%
\tikz@addtransform{\pgftransformshift{\pgfpointpolar{\tikz@label@angle}{#1}}}%
\else%
\pgf@process{\pgfpointnormalised{%
\pgfpointdiff{\pgfpointtransformed{\pgfqpoint{\pgf@xc}{\pgf@yc}}}{\pgfpointtransformed{\pgfqpoint{\pgf@xb}{\pgf@yb}}}}}%
\edef\pgf@marshal{%
\noexpand\tikz@addtransform{\noexpand\pgftransformshift{\noexpand\pgfpointscale{#1}{
\noexpand\pgfqpoint{\the\pgf@x}{\the\pgf@y}}}}}%
\pgf@marshal%
\pgf@xc=\pgf@x%
\pgf@yc=\pgf@y%
\pgf@x=\pgf@yc%
\pgf@y=-\pgf@xc%
\tikz@auto@anchor%
\fi%
\fi%
\fi}
}
\newif\iftikz@label@simple%
\def\tikz@parse@label[#1]#2:#3\pgf@nil{%
\def\tikz@temp{#3}%
\ifx\tikz@temp\pgfutil@empty%
% no position, use default
\tikz@@parse@label[#1]\tikz@label@default@pos:#2:\pgf@nil%
\else%
\tikz@@parse@label[#1]#2:#3\pgf@nil%
\fi%
}
\def\tikz@@parse@label[#1]#2:#3:\pgf@nil{%
\tikzset{append after command={
\bgroup
[current point is local=true]
\pgfextra{\let\tikz@save@last@fig@name=\tikz@last@fig@name}%
node
[every label,%
tikz@label@angle=#2,%
#1,%
tikz@label@post=\tikz@label@distance]%
{#3}%
\pgfextra{\global\let\tikz@last@fig@name=\tikz@save@last@fig@name}%
\egroup%
}}
}
\expandafter\def\csname tikz@label@angle@is@right\endcsname{\def\tikz@label@angle{0}}
\expandafter\def\csname tikz@label@angle@is@above right\endcsname{\def\tikz@label@angle{45}}
\expandafter\def\csname tikz@label@angle@is@above\endcsname{\def\tikz@label@angle{90}}
\expandafter\def\csname tikz@label@angle@is@above left\endcsname{\def\tikz@label@angle{135}}
\expandafter\def\csname tikz@label@angle@is@left\endcsname{\def\tikz@label@angle{180}}
\expandafter\def\csname tikz@label@angle@is@below left\endcsname{\def\tikz@label@angle{225}}
\expandafter\def\csname tikz@label@angle@is@below\endcsname{\def\tikz@label@angle{270}}
\expandafter\def\csname tikz@label@angle@is@below right\endcsname{\def\tikz@label@angle{315}}
\def\tikz@compute@direction#1{%
\let\tikz@do@auto@anchor=\relax
\pgfmathsetcount{\c@pgf@counta}{#1}%
\ifnum\c@pgf@counta<0\relax
\advance\c@pgf@counta by 360\relax%
\fi%
\ifnum\c@pgf@counta>359\relax
\advance\c@pgf@counta by-360\relax%
\fi%
\ifnum\c@pgf@counta<4\relax%
\def\tikz@anchor{west}%
\else\ifnum\c@pgf@counta<87\relax%
\def\tikz@anchor{south west}%
\else\ifnum\c@pgf@counta<94\relax%
\def\tikz@anchor{south}%
\else\ifnum\c@pgf@counta<177\relax%
\def\tikz@anchor{south east}%
\else\ifnum\c@pgf@counta<184\relax%
\def\tikz@anchor{east}%
\else\ifnum\c@pgf@counta<267\relax%
\def\tikz@anchor{north east}%
\else\ifnum\c@pgf@counta<274\relax%
\def\tikz@anchor{north}%
\else\ifnum\c@pgf@counta<357\relax%
\def\tikz@anchor{north west}%
\else%
\def\tikz@anchor{west}%
\fi\fi\fi\fi\fi\fi\fi\fi%
}
% General node options
\tikzoption{name}{\edef\tikz@fig@name{#1}}
\tikzoption{at}{\tikz@scan@one@point\tikz@set@at#1}
\def\tikz@set@at#1{\def\tikz@node@at{#1}}%
\tikzoption{shape}{\edef\tikz@shape{#1}}
\tikzoption{nodes}{\tikzstyle{every node}+=[#1]}
\tikzset{alias/.code={\tikz@fig@mustbenamed\expandafter\def\expandafter\tikz@alias\expandafter{\tikz@alias\pgfnodealias{#1}{\tikz@fig@name}}}}
% deprecated:
\def\tikzaddafternodepathoption#1{#1\tikzset{prefix after command={\pgfextra{#1}}}}
\tikzset{after node path/.style={append after command={#1}}}
\tikzoption{anchor}{\def\tikz@anchor{#1}\let\tikz@do@auto@anchor=\relax}
\tikzoption{left}[]{\def\tikz@anchor{east}\tikz@possibly@transform{x}{-}{#1}}
\tikzoption{right}[]{\def\tikz@anchor{west}\tikz@possibly@transform{x}{}{#1}}
\tikzoption{above}[]{\def\tikz@anchor{south}\tikz@possibly@transform{y}{}{#1}}
\tikzoption{below}[]{\def\tikz@anchor{north}\tikz@possibly@transform{y}{-}{#1}}
\tikzoption{above left}[]%
{\def\tikz@anchor{south east}%
\tikz@possibly@transform{x}{-}{#1}\tikz@possibly@transform{y}{}{#1}}
\tikzoption{above right}[]%
{\def\tikz@anchor{south west}%
\tikz@possibly@transform{x}{}{#1}\tikz@possibly@transform{y}{}{#1}}
\tikzoption{below left}[]%
{\def\tikz@anchor{north east}%
\tikz@possibly@transform{x}{-}{#1}\tikz@possibly@transform{y}{-}{#1}}
\tikzoption{below right}[]%
{\def\tikz@anchor{north west}%
\tikz@possibly@transform{x}{}{#1}\tikz@possibly@transform{y}{-}{#1}}
\tikzoption{node distance}{\def\tikz@node@distance{#1}}
\def\tikz@node@distance{1cm}
% The following are deprecated:
\tikzoption{above of}{\tikz@of{#1}{90}}%
\tikzoption{below of}{\tikz@of{#1}{-90}}%
\tikzoption{left of}{\tikz@of{#1}{180}}%
\tikzoption{right of}{\tikz@of{#1}{0}}%
\tikzoption{above left of}{\tikz@of{#1}{135}}%
\tikzoption{below left of}{\tikz@of{#1}{-135}}%
\tikzoption{above right of}{\tikz@of{#1}{45}}%
\tikzoption{below right of}{\tikz@of{#1}{-45}}%
\def\tikz@of#1#2{%
\def\tikz@anchor{center}%
\let\tikz@do@auto@anchor=\relax%
\tikz@addtransform{%
\expandafter\tikz@extract@node@dist\tikz@node@distance and\pgf@stop%
\pgftransformshift{\pgfpointpolar{#2}{\tikz@extracted@node@distance}}}%
\def\tikz@node@at{\pgfpointanchor{#1}{center}}}
\def\tikz@extract@node@dist#1and#2\pgf@stop{%
\def\tikz@extracted@node@distance{#1}}
\tikzoption{transform shape}[true]{%
\csname tikz@fullytransformed#1\endcsname%
\iftikz@fullytransformed%
\pgfresetnontranslationattimefalse%
\else%
\pgfresetnontranslationattimetrue%
\fi%
}
\newif\iftikz@fullytransformed
\pgfresetnontranslationattimetrue%
\def\tikz@anchor{center}%
\def\tikz@shape{rectangle}%
\def\tikz@possibly@transform#1#2#3{%
\let\tikz@do@auto@anchor=\relax%
\def\tikz@test{#3}%
\ifx\tikz@test\pgfutil@empty%
\else%
\pgfmathsetlength{\pgf@x}{#3}%
\pgf@x=#2\pgf@x\relax%
\edef\tikz@marshal{\noexpand\tikz@addtransform{%
\expandafter\noexpand\csname pgftransform#1shift\endcsname{\the\pgf@x}}}%
\tikz@marshal%
\fi%
}
% Inter-picture options
\tikzoption{remember picture}[true]{\csname pgfrememberpicturepositiononpage#1\endcsname}
\tikzoption{overlay}[]{\pgf@relevantforpicturesizefalse}
% Line/curve label placement options
\tikzoption{sloped}[true]{\csname pgfslopedattime#1\endcsname}
\tikzoption{allow upside down}[true]{\csname pgfallowupsidedownattime#1\endcsname}
\tikzoption{pos}{\edef\tikz@time{#1}}
\tikzoption{auto}[]{\csname tikz@install@auto@anchor@#1\endcsname}
\tikzoption{swap}[]{%
\def\tikz@temp{left}%
\ifx\tikz@auto@anchor@direction\tikz@temp%
\def\tikz@auto@anchor@direction{right}%
\else%
\def\tikz@auto@anchor@direction{left}%
\fi%
}
\def\tikz@install@auto@anchor@{\let\tikz@do@auto@anchor=\tikz@auto@anchor@on}
\def\tikz@install@auto@anchor@false{\let\tikz@do@auto@anchor=\relax}
\def\tikz@install@auto@anchor@left{\let\tikz@do@auto@anchor=\tikz@auto@anchor@on\def\tikz@auto@anchor@direction{left}}
\def\tikz@install@auto@anchor@right{\let\tikz@do@auto@anchor=\tikz@auto@anchor@on\def\tikz@auto@anchor@direction{right}}
\let\tikz@do@auto@anchor=\relax%
\def\tikz@auto@anchor@on{\csname tikz@auto@anchor@\tikz@auto@anchor@direction\endcsname}
\def\tikz@auto@anchor@left{\tikz@auto@pre\tikz@auto@anchor\tikz@auto@post}
\def\tikz@auto@anchor@right{\tikz@auto@pre\tikz@auto@anchor@prime\tikz@auto@post}
\def\tikz@auto@anchor@direction{left}
% Text options
\tikzoption{text}{\def\tikz@textcolor{#1}}
\tikzoption{font}{\def\tikz@textfont{#1}}
\tikzoption{text opacity}{\def\tikz@textopacity{#1}}
\tikzoption{text width}{\def\tikz@text@width{#1}}
\tikzoption{text height}{\def\tikz@text@height{#1}}
\tikzoption{text depth}{\def\tikz@text@depth{#1}}
\tikzoption{text ragged}[]%
{\def\tikz@text@action{\raggedright\rightskip0pt plus2em \spaceskip.3333em \xspaceskip.5em\relax}}
\tikzoption{text badly ragged}[]{\def\tikz@text@action{\raggedright\relax}}
\tikzoption{text ragged left}[]%
{\def\tikz@text@action{\raggedleft\leftskip0pt plus2em \spaceskip.3333em \xspaceskip.5em\relax}}
\tikzoption{text badly ragged left}[]{\def\tikz@text@action{\raggedleft\relax}}
\tikzoption{text justified}[]{\def\tikz@text@action{\leftskip0pt\rightskip0pt\relax}}
\tikzoption{text centered}[]{\def\tikz@text@action{%
\leftskip0pt plus2em%
\rightskip0pt plus2em%
\spaceskip.3333em \xspaceskip.5em%
\parfillskip=0pt%
\let\\=\@centercr% for latex
\relax}}
\tikzoption{text badly centered}[]%
{\def\tikz@text@action{%
\let\\=\@centercr% for latex
\parfillskip=0pt%
\rightskip\@flushglue%
\leftskip\@flushglue\relax}}
\let\tikz@text@width=\pgfutil@empty
\let\tikz@text@height=\pgfutil@empty
\let\tikz@text@depth=\pgfutil@empty
\let\tikz@textcolor=\pgfutil@empty
\let\tikz@textfont=\pgfutil@empty
\let\tikz@textopacity=\pgfutil@empty
\def\tikz@text@action{\raggedright\rightskip0pt plus2em \spaceskip.3333em \xspaceskip.5em\relax}
% Alignment
\tikzset{
node halign header/.initial=,
align/.is choice,
align/left/.style ={text ragged,node halign header=\tikz@align@left@header},
align/flush left/.style ={text badly ragged,node halign header=\tikz@align@left@header},
align/right/.style ={text ragged left,node halign header=\tikz@align@right@header},
align/flush right/.style ={text badly ragged left,node halign header=\tikz@align@right@header},
align/center/.style={text centered,node halign header=\tikz@align@center@header},
align/flush center/.style={text badly centered,node halign header=\tikz@align@center@header},
align/justify/.style ={text justified,node halign header=\tikz@align@left@header},
align/none/.style ={text justified,node halign header=}
}
\def\tikz@align@left@header{##\hfil\cr}
\def\tikz@align@right@header{\hfil##\cr}
\def\tikz@align@center@header{\hfil##\hfil\cr}
% Arrow options
\tikzoption{arrows}{\tikz@processarrows{#1}}
\tikzoption{>}{%
\tikz@set@pointed{\csname pgf@arrows@invert#1\endcsname}{#1}%
\expandafter\tikz@processarrows\expandafter{\tikz@current@arrows}%
}
\tikzoption{shorten <}{\pgfsetshortenstart{#1}}
\tikzoption{shorten >}{\pgfsetshortenend{#1}}
\def\tikz@set@pointed#1#2{%
\pgfutil@ifundefined{pgf@arrow@code@tikze@>@#2}
{%
\pgfarrowsdeclarealias{tikzs@<@#2}{tikze@>@#2}{#1}{#2}%
\pgfarrowsdeclarereversed{tikzs@>@#2}{tikze@<@#2}{#1}{#2}%
\pgfarrowsdeclarecombine*{tikz@|<@#2}{tikz@>|@#2}{#1}{#2}{|}{|}%
\pgfarrowsdeclaredouble[\pgflinewidth]{tikzs@<<@#2}{tikze@>>@#2}{#1}{#2}%<<
\pgfarrowsdeclarereversed{tikzs@>>@#2}{tikze@<<@#2}{tikzs@<<@#2}{tikze@>>@#2}%<<
}{}%
\pgfutil@namedef{tikz@special@arrow@start<}{tikzs@<@#2}%
\pgfutil@namedef{tikz@special@arrow@end>}{tikze@>@#2}%
\pgfutil@namedef{tikz@special@arrow@start>}{tikzs@>@#2}%
\pgfutil@namedef{tikz@special@arrow@end<}{tikze@<@#2}%
\pgfutil@namedef{tikz@special@arrow@start|<}{tikz@|<@#2}%
\pgfutil@namedef{tikz@special@arrow@end>|}{tikz@>|@#2}%
\pgfutil@namedef{tikz@special@arrow@start<<}{tikzs@<<@#2}%
\pgfutil@namedef{tikz@special@arrow@end>>}{tikze@>>@#2}%<<
\pgfutil@namedef{tikz@special@arrow@start>>}{tikzs@>>@#2}%<<
\pgfutil@namedef{tikz@special@arrow@end<<}{tikze@<<@#2}%<<
}
\def\tikz@processarrows#1{%
\def\tikz@current@arrows{#1}%
\def\tikz@temp{#1}%
\ifx\tikz@temp\pgfutil@empty%
\else%
\tikz@@processarrows#1\@nil
\fi%
}
\def\tikz@@processarrows#1-#2\@nil{%
\expandafter\ifx\csname tikz@special@arrow@start#1\endcsname\relax%
\pgfsetarrowsstart{#1}
\else%
\pgfsetarrowsstart{\csname tikz@special@arrow@start#1\endcsname}%
\fi%
\expandafter\ifx\csname tikz@special@arrow@end#2\endcsname\relax%
\pgfsetarrowsend{#2}
\else%
\pgfsetarrowsend{\csname tikz@special@arrow@end#2\endcsname}%
\fi%
}
\tikz@set@pointed{\pgf@arrows@invertto}{to}
\def\tikz@current@arrows{-}
% Parabola options
\tikzoption{bend}{\tikz@scan@one@point\tikz@set@parabola@bend#1\relax}%
\tikzoption{bend pos}{\def\tikz@parabola@bend@factor{#1}}
\tikzoption{parabola height}{%
\def\tikz@parabola@bend@factor{.5}%
\def\tikz@parabola@bend{\pgfpointadd{\pgfpoint{0pt}{#1}}{\tikz@last@position@saved}}}
\def\tikz@parabola@bend{\tikz@last@position@saved}
\def\tikz@parabola@bend@factor{0}
\def\tikz@set@parabola@bend#1{\def\tikz@parabola@bend{#1}}
% Axis options
\tikzoption{domain}{\edef\tikz@plot@domain{#1}\expandafter\tikz@plot@samples@recalc\tikz@plot@domain\relax}
\tikzoption{range}{\def\tikz@plot@range{#1}}
% Plot options
\tikzoption{smooth}[]{\let\tikz@plot@handler=\pgfplothandlercurveto}
\tikzoption{smooth cycle}[]{\let\tikz@plot@handler=\pgfplothandlerclosedcurve}
\tikzoption{sharp plot}[]{\let\tikz@plot@handler\pgfplothandlerlineto}
\tikzoption{tension}{\pgfsetplottension{#1}}
\tikzoption{xcomb}[]{\let\tikz@plot@handler=\pgfplothandlerxcomb}
\tikzoption{ycomb}[]{\let\tikz@plot@handler=\pgfplothandlerycomb}
\tikzoption{polar comb}[]{\let\tikz@plot@handler=\pgfplothandlerpolarcomb}
\tikzoption{ybar}[]{\let\tikz@plot@handler=\pgfplothandlerybar}
\tikzoption{ybar interval}[]{\let\tikz@plot@handler=\pgfplothandlerybarinterval}
\tikzoption{xbar interval}[]{\let\tikz@plot@handler=\pgfplothandlerxbarinterval}
\tikzoption{xbar}[]{\let\tikz@plot@handler=\pgfplothandlerxbar}
\tikzoption{const plot}[]{\let\tikz@plot@handler=\pgfplothandlerconstantlineto}
\tikzoption{const plot mark left}[]{\let\tikz@plot@handler=\pgfplothandlerconstantlineto}
\tikzoption{const plot mark right}[]{\let\tikz@plot@handler=\pgfplothandlerconstantlinetomarkright}
\tikzoption{jump mark right}[]{\let\tikz@plot@handler=\pgfplothandlerjumpmarkright}
\tikzoption{jump mark left}[]{\let\tikz@plot@handler=\pgfplothandlerjumpmarkleft}
\tikzoption{raw gnuplot}[true]{\csname tikz@plot@raw@gnuplot#1\endcsname}
\tikzoption{prefix}{\def\tikz@plot@prefix{#1}}
\tikzoption{id}{\def\tikz@plot@id{#1}}
\tikzoption{samples}{\def\tikz@plot@samples{#1}\expandafter\tikz@plot@samples@recalc\tikz@plot@domain\relax}
\tikzoption{samples at}{\def\tikz@plot@samplesat{#1}}
\tikzoption{parametric}[true]{\csname tikz@plot@parametric#1\endcsname}
\tikzoption{variable}{\def\tikz@plot@var{#1}}
\tikzoption{only marks}[]{\let\tikz@plot@handler\pgfplothandlerdiscard}
\tikzoption{mark}{%
\def\tikz@plot@mark{#1}%
\def\tikz@temp{none}%
\ifx\tikz@temp\tikz@plot@mark
\let\tikz@plot@mark=\pgfutil@empty
\fi
}
\tikzset{
no marks/.style={mark=none},%
no markers/.style={mark=none},%
every mark/.style={},
mark options/.style={%
every mark/.style={#1}%
}}
\tikzoption{mark size}{\pgfsetplotmarksize{#1}}
\tikzoption{mark indices}{\def\tikz@mark@list{#1}}
\tikzoption{mark phase}{\pgfsetplotmarkphase{#1}}
\tikzoption{mark repeat}{\pgfsetplotmarkrepeat{#1}}
\let\tikz@mark@list=\pgfutil@empty
\let\tikz@plot@handler=\pgfplothandlerlineto
\let\tikz@plot@mark=\pgfutil@empty
\def\tikz@plot@samples{25}
\def\tikz@plot@domain{-5:5}
\def\tikz@plot@var{\x}
\def\tikz@plot@samplesat{-5,-4.5833333,...,5}
\def\tikz@plot@samples@recalc#1:#2\relax{%
\pgfmathparse{#1}%
\let\tikz@temp@start=\pgfmathresult%
\pgfmathparse{#2}%
\let\tikz@temp@end=\pgfmathresult%
\pgfmathparse{\tikz@temp@start+(\tikz@temp@end-\tikz@temp@start)/(\tikz@plot@samples-1)}%
\edef\tikz@plot@samplesat{\tikz@temp@start,\pgfmathresult,...,\tikz@temp@end}%
}
\def\tikz@plot@prefix{\jobname.}
\def\tikz@plot@id{pgf-plot}
\newif\iftikz@plot@parametric
\newif\iftikz@plot@raw@gnuplot
% To options
\tikzoption{to path}{\def\tikz@to@path{#1}}
\def\tikz@to@path{-- (\tikztotarget) \tikztonodes}
% After command options
\tikzset{
append after command/.code=\expandafter\def\expandafter\tikz@after@path\expandafter{\tikz@after@path#1},
prefix after command/.code={%
\def\tikz@temp{#1}%
\expandafter\expandafter\expandafter\def%
\expandafter\expandafter\expandafter\tikz@after@path%
\expandafter\expandafter\expandafter{%
\expandafter\tikz@temp\tikz@after@path}%
}
}
\let\tikz@after@path\pgfutil@empty
% Tree options
\newif\iftikz@child@missing
\pgfkeys{/tikz/missing/.is if=tikz@child@missing}
\tikzoption{edge from parent path}{\def\tikz@edge@to@parent@path{#1}}
\tikzoption{parent anchor}{\def\tikzparentanchor{.#1}\ifx\tikzparentanchor\tikz@border@text\let\tikzparentanchor\pgfutil@empty\fi}
\tikzoption{child anchor}{\def\tikzchildanchor{.#1}\ifx\tikzchildanchor\tikz@border@text\let\tikzchildanchor\pgfutil@empty\fi}
\tikzoption{level distance}{\pgfmathsetlength\tikzleveldistance{#1}}
\tikzoption{sibling distance}{\pgfmathsetlength\tikzsiblingdistance{#1}}
\tikzoption{growth function}{\let\tikz@grow=#1}
\tikzset{grow siblings on line/.style={growth function=\tikz@grow@direction}}
\tikzoption{growth parent anchor}{\def\tikz@growth@anchor{#1}}
\tikzoption{grow}{\tikz@set@growth{#1}\edef\tikz@special@level{\the\tikztreelevel}}%
\tikzoption{grow'}{\tikz@set@growth{#1}\tikz@swap@growth\edef\tikz@special@level{\the\tikztreelevel}}%
\def\tikz@growth@anchor{center}
\def\tikz@special@level{-1}% never
\def\tikz@swap@growth{%
% Swap left and right
\let\tikz@temp=\tikz@angle@grow@right%
\let\tikz@angle@grow@right=\tikz@angle@grow@left%
\let\tikz@angle@grow@left=\tikz@temp%
}%
\def\tikz@set@growth#1{%
\let\tikz@grow=\tikz@grow@direction%
\expandafter\ifx\csname tikz@grow@direction@#1\endcsname\relax%
\c@pgf@counta=#1\relax%
\else%
\c@pgf@counta=\csname tikz@grow@direction@#1\endcsname%
\fi%
\edef\tikz@angle@grow{\the\c@pgf@counta}%
\advance\c@pgf@counta by-90\relax%
\edef\tikz@angle@grow@left{\the\c@pgf@counta}%
\advance\c@pgf@counta by180\relax%
\edef\tikz@angle@grow@right{\the\c@pgf@counta}%
}
\def\tikz@border@text{.border}
\let\tikzparentanchor=\pgfutil@empty
\let\tikzchildanchor=\pgfutil@empty
\def\tikz@edge@to@parent@path{(\tikzparentnode\tikzparentanchor) -- (\tikzchildnode\tikzchildanchor)}
\tikzleveldistance=15mm
\tikzsiblingdistance=15mm
\def\tikz@grow@direction@down{-90}
\def\tikz@grow@direction@up{90}
\def\tikz@grow@direction@left{180}
\def\tikz@grow@direction@right{0}
\def\tikz@grow@direction@south{-90}
\def\tikz@grow@direction@north{90}
\def\tikz@grow@direction@west{180}
\def\tikz@grow@direction@east{0}
\expandafter\def\csname tikz@grow@direction@north east\endcsname{45}
\expandafter\def\csname tikz@grow@direction@north west\endcsname{135}
\expandafter\def\csname tikz@grow@direction@south east\endcsname{-45}
\expandafter\def\csname tikz@grow@direction@south west\endcsname{-135}
\def\tikz@grow@direction{%
\pgftransformshift{\pgfpointpolar{\tikz@angle@grow}{\tikzleveldistance}}%
\ifnum\tikztreelevel=\tikz@special@level%
\else%
\pgf@xc=.5\tikzsiblingdistance%
\c@pgf@counta=\tikznumberofchildren%
\advance\c@pgf@counta by1\relax%
\pgfutil@tempdima=\c@pgf@counta\pgf@xc%
\pgftransformshift{\pgfpointpolar{\tikz@angle@grow@left}{\pgfutil@tempdima}}%
\pgftransformshift{\pgfpointpolar{\tikz@angle@grow@right}{\tikznumberofcurrentchild\tikzsiblingdistance}}%
\fi%
}
\tikzset{grow=down}
% Snakes are in a lib:
\tikzset{snake/.code=\PackageError{tikz}{You need to say \string\usetikzlibrary{snakes}}{}}
% Decorations
\tikzset{decorate/.code=\PackageError{tikz}{You need to load a decoration library}{}}
% Matrix options
\usepgfmodule{matrix}
\tikzoption{matrix}[true]{\csname tikz@is@matrix#1\endcsname}
\tikzoption{matrix anchor}{\def\tikz@matrix@anchor{#1}}
\tikzoption{column sep}{\def\pgfmatrixcolumnsep{#1}}
\tikzoption{row sep}{\def\pgfmatrixrowsep{#1}}
\tikzoption{cells}{\tikzstyle{every cell}+=[#1]}
\tikzoption{ampersand replacement}{\def\tikz@ampersand@replacement{#1}}
\newif\iftikz@is@matrix
\let\tikz@matrix@anchor=\pgfutil@empty
\let\tikz@ampersand@replacement=\pgfutil@empty
% Execute option
\tikzoption{execute at begin picture}{\expandafter\def\expandafter\tikz@atbegin@picture\expandafter{\tikz@atbegin@picture#1}}
\tikzoption{execute at end picture}{\expandafter\def\expandafter\tikz@atend@picture\expandafter{\tikz@atend@picture#1}}
\tikzoption{execute at begin scope}{\expandafter\def\expandafter\tikz@atbegin@scope\expandafter{\tikz@atbegin@scope#1}}
\tikzoption{execute at end scope}{\expandafter\def\expandafter\tikz@atend@scope\expandafter{\tikz@atend@scope#1}}
\tikzoption{execute at begin to}{\expandafter\def\expandafter\tikz@atbegin@to\expandafter{\tikz@atbegin@to#1}}
\tikzoption{execute at end to}{\expandafter\def\expandafter\tikz@atend@to\expandafter{\tikz@atend@to#1}}
\tikzoption{execute at begin node}{\expandafter\def\expandafter\tikz@atbegin@node\expandafter{\tikz@atbegin@node#1}}
\tikzoption{execute at end node}{\expandafter\def\expandafter\tikz@atend@node\expandafter{\tikz@atend@node#1}}
\tikzoption{execute at begin cell}{\expandafter\def\expandafter\tikz@atbegin@cell\expandafter{\tikz@atbegin@cell#1}}
\tikzoption{execute at end cell}{\expandafter\def\expandafter\tikz@atend@cell\expandafter{\tikz@atend@cell#1}}
\tikzoption{execute at empty cell}{\expandafter\def\expandafter\tikz@at@emptycell\expandafter{\tikz@at@emptycell#1}}
\let\tikz@atbegin@picture=\pgfutil@empty
\let\tikz@atend@picture=\pgfutil@empty
\let\tikz@atbegin@scope=\pgfutil@empty
\let\tikz@atend@scope=\pgfutil@empty
\let\tikz@atbegin@to=\pgfutil@empty
\let\tikz@atend@to=\pgfutil@empty
\let\tikz@atbegin@node=\pgfutil@empty
\let\tikz@atend@node=\pgfutil@empty
\let\tikz@atbegin@cell=\pgfutil@empty
\let\tikz@atend@cell=\pgfutil@empty
\let\tikz@at@emptycell=\pgfutil@empty
% Pre and post actions
\tikzset{preaction/.code=\expandafter\def\expandafter\tikz@preactions\expandafter{\tikz@preactions\tikz@extra@preaction{#1}}}
\tikzset{postaction/.code=\expandafter\def\expandafter\tikz@postactions\expandafter{\tikz@postactions\tikz@extra@postaction{#1}}}
\let\tikz@preactions=\pgfutil@empty
\let\tikz@postactions=\pgfutil@empty
% Styles
\tikzoption{set style}{\tikzstyle#1}
% Handled in a special way.
\def\tikzstyle{\pgfutil@ifnextchar\bgroup\tikz@style@parseA\tikz@style@parseB}
\def\tikz@style@parseB#1={\tikz@style@parseA{#1}=}
\def\tikz@style@parseA#1#2=#3[#4]{% check for an optional argument
\pgfutil@in@[{#2}%]
\ifpgfutil@in@%
\tikz@style@parseC{#1}#2={#4}%
\else%
\tikz@style@parseD{#1}#2={#4}%
\fi%
}%
\def\tikz@style@parseC#1[#2]#3=#4{%
\pgfkeys{/tikz/#1/.default={#2}}%
\pgfutil@in@+{#3}%
\ifpgfutil@in@%
\pgfkeys{/tikz/#1/.append style={#4}}%
\else%
\pgfkeys{/tikz/#1/.style={#4}}%
\fi}
\def\tikz@style@parseD#1#2=#3{%
\pgfutil@in@+{#2}%
\ifpgfutil@in@%
\pgfkeys{/tikz/#1/.append style={#3}}%
\else%
\pgfkeys{/tikz/#1/.style={#3}}%
\fi}
%
%
% Predefined styles
%
%
\tikzstyle{help lines}= [color=gray,line width=0.2pt]
\tikzstyle{every picture}= []
\tikzstyle{every path}= []
\tikzstyle{every scope}= []
\tikzstyle{every plot}= []
\tikzstyle{every node}= []
\tikzstyle{every child}= []
\tikzstyle{every child node}= []
\tikzstyle{every to}= []
\tikzstyle{every cell}= []
\tikzstyle{every matrix}= []
\tikzstyle{every edge}= [draw]
\tikzstyle{every label}= [draw=none,fill=none]
\tikzstyle{every pin}= [draw=none,fill=none]
\tikzstyle{every pin edge}= [help lines]
\tikzstyle{ultra thin}= [line width=0.1pt]
\tikzstyle{very thin}= [line width=0.2pt]
\tikzstyle{thin}= [line width=0.4pt]
\tikzstyle{semithick}= [line width=0.6pt]
\tikzstyle{thick}= [line width=0.8pt]
\tikzstyle{very thick}= [line width=1.2pt]
\tikzstyle{ultra thick}= [line width=1.6pt]
\tikzstyle{solid}= [dash pattern=]
\tikzstyle{dotted}= [dash pattern=on \pgflinewidth off 2pt]
\tikzstyle{densely dotted}= [dash pattern=on \pgflinewidth off 1pt]
\tikzstyle{loosely dotted}= [dash pattern=on \pgflinewidth off 4pt]
\tikzstyle{dashed}= [dash pattern=on 3pt off 3pt]
\tikzstyle{densely dashed}= [dash pattern=on 3pt off 2pt]
\tikzstyle{loosely dashed}= [dash pattern=on 3pt off 6pt]
\tikzstyle{dashdotted}= [dash pattern=on 3pt off 2pt on \the\pgflinewidth off 2pt]
\tikzstyle{densely dashdotted}= [dash pattern=on 3pt off 1pt on \the\pgflinewidth off 1pt]
\tikzstyle{loosely dashdotted}= [dash pattern=on 3pt off 4pt on \the\pgflinewidth off 4pt]
\tikzstyle{dashdotdotted}= [dash pattern=on 3pt off 2pt on \the\pgflinewidth off 2pt on \the\pgflinewidth off 2pt]
\tikzstyle{densely dashdotdotted}= [dash pattern=on 3pt off 1pt on \the\pgflinewidth off 1pt on \the\pgflinewidth off 1pt]
\tikzstyle{loosely dashdotdotted}= [dash pattern=on 3pt off 4pt on \the\pgflinewidth off 4pt on \the\pgflinewidth off 4pt]
\tikzstyle{transparent}= [opacity=0]
\tikzstyle{ultra nearly transparent}=[opacity=0.05]
\tikzstyle{very nearly transparent}= [opacity=0.1]
\tikzstyle{nearly transparent}= [opacity=0.25]
\tikzstyle{semitransparent}= [opacity=0.5]
\tikzstyle{nearly opaque}= [opacity=0.75]
\tikzstyle{very nearly opaque}= [opacity=0.9]
\tikzstyle{ultra nearly opaque}= [opacity=0.95]
\tikzstyle{opaque}= [opacity=1]
\tikzstyle{at start}= [pos=0]
\tikzstyle{very near start}= [pos=0.125]
\tikzstyle{near start}= [pos=0.25]
\tikzstyle{midway}= [pos=0.5]
\tikzstyle{near end}= [pos=0.75]
\tikzstyle{very near end}= [pos=0.875]
\tikzstyle{at end}= [pos=1]
\tikzstyle{bend at start}= [bend pos=0,bend={+(0,0)}]
\tikzstyle{bend at end}= [bend pos=1,bend={+(0,0)}]
\tikzstyle{edge from parent}= [draw]
%
% Setting keys
%
\pgfkeys{/tikz/style/.style=#1}
\pgfkeys{/tikz/.unknown/.code=%
% Is it a pgf key?
\let\tikz@key\pgfkeyscurrentname%
\pgfkeys{/pgf/\tikz@key/.try={#1}}%
\ifpgfkeyssuccess%
\else%
\expandafter\pgfutil@in@\expandafter!\expandafter{\tikz@key}%
\ifpgfutil@in@%
% this is a color!
\expandafter\tikz@addoption\expandafter{\expandafter\pgfutil@color\expandafter{\tikz@key}}%
\edef\tikz@textcolor{\tikz@key}%
\else%
\pgfutil@doifcolorelse{\tikz@key}
{ %
\expandafter\tikz@addoption\expandafter{\expandafter\pgfutil@color\expandafter{\tikz@key}}%
\edef\tikz@textcolor{\tikz@key}%
}%
{%
% Ok, second chance: This might be an arrow specification:
\expandafter\pgfutil@in@\expandafter-\expandafter{\tikz@key}
\ifpgfutil@in@%
% Ah, an arrow spec!
\expandafter\tikz@processarrows\expandafter{\tikz@key}%
\else%
% Ok, third chance: A shape!
\expandafter\ifx\csname pgf@sh@s@\tikz@key\endcsname\relax%
\pgfkeys{/errors/unknown key={/tikz/\tikz@key}{#1}}%
\else%
\edef\tikz@shape{\tikz@key}%
\fi%
\fi%
}%
\fi%
\fi%
}
%
% Main TikZ Environment
%
\def\tikzpicture{\pgfutil@ifnextchar[\tikz@picture{\tikz@picture[]}}%}
\def\tikz@picture[#1]{%
\pgfpicture%
\let\tikz@atbegin@picture=\pgfutil@empty%
\let\tikz@atend@picture=\pgfutil@empty%
\let\tikz@transform=\relax%
\def\tikz@time{.5}%
\tikz@installcommands\scope[every picture,#1]%
\expandafter\tikz@atbegin@picture%
\tikz@lib@scope@check%
}
\def\endtikzpicture{%
\tikz@atend@picture%
\global\let\pgf@shift@baseline=\pgf@baseline%
\global\let\pgf@trimleft@final=\pgf@trimleft%
\global\let\pgf@trimright@final=\pgf@trimright%
\global\let\pgf@remember@smuggle=\ifpgfrememberpicturepositiononpage%
\endscope%
\let\pgf@baseline=\pgf@shift@baseline%
\let\pgf@trimleft=\pgf@trimleft@final%
\let\pgf@trimright=\pgf@trimright@final%
\let\ifpgfrememberpicturepositiononpage=\pgf@remember@smuggle%
\endpgfpicture}
% Inlined picture
%
% #1 - some code to be put in a tikzpicture environment.
%
% If the command is not followed by braces, everything up to the next
% semicolon is used as argument.
%
% Example:
%
% The rectangle \tikz{\draw (0,0) rectangle (1em,1ex)} has width 1em and
% height 1ex.
% This code does not work for some inline \tikz. For example
% \tikz\foreach \x in {1,...,10} \draw (\x,0) circle (0.4cm);
% makes tikz crash.
% Begin suspected code
% \def\tikz{\pgfutil@ifnextchar[{\tikz@opt}{\tikz@opt[]}}
% \def\tikz@opt[#1]{\tikzpicture[#1]\pgfutil@ifnextchar\bgroup{\tikz@}{\tikz@@}}
% \def\tikz@{\bgroup\tikz@auto@end@pathtrue\aftergroup\endtikzpicture\let\pgf@temp=}
% \def\tikz@@{\begingroup\def\tikz@path@do@at@end{\endgroup\endtikzpicture}}
% End suspected code
% Begin old code
\def\tikz{\pgfutil@ifnextchar[{\tikz@opt}{\tikz@opt[]}}
\def\tikz@opt[#1]{\tikzpicture[#1]\pgfutil@ifnextchar\bgroup{\tikz@}{\tikz@@}}
\def\tikz@#1{#1\endtikzpicture}
\def\tikz@@{%
\let\tikz@next=\tikz@collectnormalsemicolon%
\ifnum\the\catcode`\;=\active\relax%
\let\tikz@next=\tikz@collectactivesemicolon%
\fi%
\tikz@next}
\def\tikz@collectnormalsemicolon#1;{#1;\endtikzpicture}
{
\catcode`\;=\active
\gdef\tikz@collectactivesemicolon#1;{#1;\endtikzpicture}
}
% End old code
% Invokes '#1' if the command is invoked withing a tikzpicture and
% '#2' if not.
\def\tikzifinpicture#1#2{%
\pgfutil@ifundefined{filldraw}{#2}{#1}% TT: This is a wrong
% test! Who uses this?...
}%
%
% Environment for scoping graphic state settings
%
\def\tikz@scope@env{\pgfutil@ifnextchar[\tikz@@scope@env{\tikz@@scope@env[]}}
\def\tikz@@scope@env[#1]{%
\pgfscope%
\begingroup%
\let\tikz@atbegin@scope=\pgfutil@empty%
\let\tikz@atend@scope=\pgfutil@empty%
\let\tikz@options=\pgfutil@empty%
\let\tikz@mode=\pgfutil@empty%
\tikz@transparency@groupfalse%
\tikzset{every scope/.try,#1}%
\tikz@options%
\iftikz@transparency@group\pgftransparencygroup\fi%
\expandafter\tikz@atbegin@scope%
\tikz@lib@scope@check%
}
\def\endtikz@scope@env{%
\tikz@atend@scope%
\iftikz@transparency@group\endpgftransparencygroup\fi%
\endgroup%
\endpgfscope%
\tikz@lib@scope@check%
}
% Install a shortcut command which is only valid inside of a
% tikzpicture.
%
% It works in the same way as the '\path' shortcut does: it introduces
% a \let#1=#2 at the beginning of tikzpicture.
%
% #1: shortcut command inside of tikzpicture
% #2: real command name
\def\tikzaddtikzonlycommandshortcutlet#1#2{%
\expandafter\def\expandafter\tikz@installcommands\expandafter{\tikz@installcommands
\let#1=#2
}%
}%
% Has the same effect as \tikzaddtikzonlycommandshortcutlet but uses
% \def#1{#2} instead of \let.
\def\tikzaddtikzonlycommandshortcutdef#1#2{%
\expandafter\def\expandafter\tikz@installcommands\expandafter{\tikz@installcommands
\def#1{#2}%
}%
}%
%
% Install the abbreviated commands
%
\def\tikz@installcommands{%
\ifnum\the\catcode`\;=\active\relax\expandafter\let\expandafter\tikz@origsemi\expandafter=\tikz@activesemicolon\fi%
\ifnum\the\catcode`\:=\active\relax\expandafter\let\expandafter\tikz@origcolon\expandafter=\tikz@activecolon\fi%
\ifnum\the\catcode`\|=\active\relax\expandafter\let\expandafter\tikz@origbar\expandafter=\tikz@activebar\fi%
\let\tikz@origscope=\scope%
\let\tikz@origendscope=\endscope%
\let\tikz@origstartscope=\startscope%
\let\tikz@origstopscope=\stopscope%
\let\tikz@origpath=\path%
\let\tikz@origagainpath=\againpath%
\let\tikz@origdraw=\draw%
\let\tikz@origpattern=\pattern%
\let\tikz@origfill=\fill%
\let\tikz@origfilldraw=\filldraw%
\let\tikz@origshade=\shade%
\let\tikz@origshadedraw=\shadedraw%
\let\tikz@origclip=\clip%
\let\tikz@origuseasboundingbox=\useasboundingbox%
\let\tikz@orignode=\node%
\let\tikz@origcoordinate=\coordinate%
\let\tikz@origmatrix=\matrix%
\let\tikz@origcalendar=\calendar%
\let\tikz@origdv=\datavisualization%
\let\tikz@origgraph=\graph%
%
\tikz@deactivatthings%
%
\let\scope=\tikz@scope@env%
\let\endscope=\endtikz@scope@env%
\let\startscope=\scope%
\let\stopscope=\endscope%
\let\path=\tikz@command@path%
\let\againpath=\tikz@command@againpath%
%
\def\draw{\path[draw]}
\def\pattern{\path[pattern]}
\def\fill{\path[fill]}
\def\filldraw{\path[fill,draw]}
\def\shade{\path[shade]}
\def\shadedraw{\path[shade,draw]}
\def\clip{\path[clip]}
\def\graph{\path graph}
\def\useasboundingbox{\path[use as bounding box]}
\def\node{\tikz@path@overlay{node}}
\def\coordinate{\tikz@path@overlay{coordinate}}
\def\matrix{\tikz@path@overlay{node[matrix]}}
\def\calendar{\tikz@lib@cal@calendar}%
\def\datavisualization{\tikz@lib@datavisualization}%
}
\ifx\tikz@lib@cal@calendar\@undefined
\def\tikz@lib@cal@calendar{\PackageError{tikz}{You need to say \string\usetikzlibrary{calendar} to use the \string\calendar{} command}{}}
\fi
\ifx\tikz@lib@datavisualization\@undefined
\def\tikz@lib@datavisualization{\PackageError{tikz}{You need to say \string\usetikzlibrary{datavisualization} to use the \string\datavisualization{} command}{}}
\fi
\def\tikz@path@overlay#1{%
\let\tikz@signal@path=\tikz@signal@path% for detection at begin of matrix cell
\pgfutil@ifnextchar<{\tikz@path@overlayed{#1}}{\path #1}}
\def\tikz@path@overlayed#1<#2>{\path<#2> #1}
\def\tikz@uninstallcommands{%
\ifnum\the\catcode`\;=\active\relax\expandafter\let\tikz@activesemicolon=\tikz@origsemi\fi%
\ifnum\the\catcode`\:=\active\relax\expandafter\let\tikz@activecolon=\tikz@origcolon\fi%
\ifnum\the\catcode`\|=\active\relax\expandafter\let\tikz@activebar=\tikz@origbar\fi%
\let\scope=\tikz@origscope%
\let\endscope=\tikz@origendscope%
\let\startscope=\tikz@origstartscope%
\let\stopscope=\tikz@origstopscope%
\let\path=\tikz@origpath%
\let\againpath=\tikz@origagainpath%
\let\draw=\tikz@origdraw%
\let\pattern=\tikz@origpattern%
\let\fill=\tikz@origfill%
\let\filldraw=\tikz@origfilldraw%
\let\shade=\tikz@origshade%
\let\shadedraw=\tikz@origshadedraw%
\let\clip=\tikz@origclip%
\let\useasboundingbox=\tikz@origuseasboundingbox%
\let\node=\tikz@orignode%
\let\coordinate=\tikz@origcoordinate%
\let\matrix=\tikz@origmatrix%
\let\calendar=\tikz@origcalendar%
\let\datavisualization=\tikz@origdv%
\let\graph=\tikz@origgraph%
}
{
\catcode`\;=12
\gdef\tikz@nonactivesemicolon{;}
\catcode`\:=12
\gdef\tikz@nonactivecolon{:}
\catcode`\|=12
\gdef\tikz@nonactivebar{|}
\catcode`\!=12
\gdef\tikz@nonactiveexlmark{!}
\catcode`\;=\active
\catcode`\:=\active
\catcode`\|=\active
\catcode`\"=\active
\catcode`\!=\active
\gdef\tikz@activesemicolon{;}%
\gdef\tikz@activecolon{:}%
\gdef\tikz@activebar{|}%
\gdef\tikz@activequotes{"}%
\gdef\tikz@activeexlmark{!}%
\gdef\tikz@deactivatthings{%
\def;{\tikz@nonactivesemicolon}%
\def:{\tikz@nonactivecolon}%
\def|{\tikz@nonactivebar}%
\def!{\tikz@nonactiveexlmark}%
}
}
% Constructs a path and draws/fills them according to the current
% settings.
\def\tikz@command@path{%
\let\tikz@signal@path=\tikz@signal@path% for detection at begin of matrix cell
\pgfutil@ifnextchar[{\tikz@check@earg}%]
{\pgfutil@ifnextchar<{\tikz@doopt}{\tikz@@command@path}}}
\def\tikz@signal@path{\tikz@signal@path}%
\def\tikz@check@earg[#1]{%
\pgfutil@ifnextchar<{\tikz@swap@args[#1]}{\tikz@@command@path[#1]}}
\def\tikz@swap@args[#1]<#2>{\tikz@command@path<#2>[#1]}
\def\tikz@doopt{%
\let\tikz@next=\tikz@eargnormalsemicolon%
\ifnum\the\catcode`\;=\active\relax%
\let\tikz@next=\tikz@eargactivesemicolon%
\fi%
\tikz@next}
\long\def\tikz@eargnormalsemicolon<#1>#2;{\alt<#1>{\tikz@@command@path#2;}{\tikz@path@do@at@end}}
{
\catcode`\;=\active
\long\global\def\tikz@eargactivesemicolon<#1>#2;{\alt<#1>{\tikz@@command@path#2;}{\tikz@path@do@at@end}}
}
\def\tikz@@command@path{%
\edef\tikzscope@linewidth{\the\pgflinewidth}%
\begingroup%
\let\tikz@path@do@at@end=\tikz@lib@scope@check%
\let\tikz@options=\pgfutil@empty%
\let\tikz@mode=\pgfutil@empty%
\let\tikz@moveto@waiting=\relax%
\let\tikz@timer=\relax%
\let\tikz@collected@onpath=\pgfutil@empty%
\let\tikz@preactions=\pgfutil@empty%
\let\tikz@postactions=\pgfutil@empty%
\tikz@snakedfalse%
\tikz@decoratepathfalse%
\tikz@node@is@a@labelfalse%
\tikz@expandcount=100\relax%
\tikz@lastx=0pt%
\tikz@lasty=0pt%
\tikz@lastxsaved=0pt%
\tikz@lastysaved=0pt%
\tikzset{every path/.try}%
\tikz@scan@next@command%
}
\def\tikz@scan@next@command{%
\ifx\tikz@collected@onpath\pgfutil@empty%
\else%
\tikz@invoke@collected@onpath%
\fi%
\afterassignment\tikz@handle\let\@let@token=%
}
\newcount\tikz@expandcount
% Central dispatcher for commands
\def\tikz@handle{%
\let\@next=\tikz@expand%
\ifx\@let@token(%)
\let\@next=\tikz@movetoabs%
\else%
\ifx\@let@token+%
\let\@next=\tikz@movetorel%
\else%
\ifx\@let@token-%
\let\@next=\tikz@lineto%
\else%
\ifx\@let@token.%
\let\@next=\tikz@dot%
\else%
\ifx\@let@token r%
\let\@next=\tikz@rect%
\else%
\ifx\@let@token n%
\let\@next=\tikz@fig%
\else%
\ifx\@let@token[%]
\let\@next=\tikz@parse@options%
\else%
\ifx\@let@token c%
\let\@next=\tikz@cchar%
\else%
\ifx\@let@token\bgroup%
\let\@next=\tikz@beginscope%
\else%
\ifx\@let@token\egroup%
\let\@next=\tikz@endscope%
\else%
\ifx\@let@token;%
\let\@next=\tikz@finish%
\else%
\let\@next=\tikz@handle@more%
\fi%
\fi%
\fi%
\fi%
\fi%
\fi%
\fi%
\fi%
\fi%
\fi%
\fi%
\@next%
}
% Continued...
\def\tikz@handle@more{%
\ifx\@let@token a%
\let\@next=\tikz@arcA%
\else%
\ifx\@let@token e%
\let\@next=\tikz@e@char%
\else%
\ifx\@let@token g%
\let\@next=\tikz@g@char%
\else%
\ifx\@let@token s%
\let\@next=\tikz@schar%
\else%
\ifx\@let@token |%
\let\@next=\tikz@vh@lineto%
\else%
\ifx\@let@token p%
\let\@next=\tikz@pchar%
\pgfsetmovetofirstplotpoint%
\else%
\ifx\@let@token t%
\let\@next=\tikz@to%
\else%
\ifx\@let@token\pgfextra%
\let\@next=\tikz@extra%
\else%
\ifx\@let@token\foreach%
\let\@next=\tikz@foreach%
\else%
\ifx\@let@token\pgf@stop%
\let\@next=\relax%
\else%
\ifx\@let@token\par%
\let\@next=\tikz@scan@next@command%
\else%
\ifx\@let@token d%
\let\@next=\tikz@decoration%
\else%
\ifx\@let@token l%
\let\@next=\tikz@l@char%\tikz@let@command%
\else%
\let\@next=\tikz@expand%
\fi%
\fi%
\fi%
\fi%
\fi%
\fi%
\fi%
\fi%
\fi%
\fi%
\fi%
\fi%
\fi%
\@next%
}
\def\tikz@l@char{%
\pgfutil@ifnextchar e{\tikz@let@command}{%
\pgfutil@ifnextchar i{\tikz@lsystem}{%
\pgfutil@ifnextchar-{\tikz@@lsystem}{\tikz@expand}%
}%
}%
}
\def\tikz@lsystem{%
\PackageError{tikz}{You need to say \string\usetikzlibrary{lindenmayersystems} to
draw Lindenmayer systems}{}
}
\def\tikz@@lsystem{%
\PackageError{tikz}{You need to say \string\usetikzlibrary{lindenmayersystems} to
draw L-systems}{}
}
\def\tikz@pchar{\pgfutil@ifnextchar l{\tikz@plot}{\tikz@parabola}}
\def\tikz@cchar{%
\pgfutil@ifnextchar i{\tikz@circle}%
{\pgfutil@ifnextchar h{\tikz@children}{\tikz@cochar}}}%
\def\tikz@cochar o{%
\pgfutil@ifnextchar o{\tikz@coordinate}{\tikz@cosine}}
\def\tikz@e@char{%
\pgfutil@ifnextchar l{\tikz@ellipse}{\tikz@@e@char}}%
\def\tikz@@e@char dge{%
\pgfutil@ifnextchar f{\tikz@edgetoparent}{\tikz@edge@plain}}%
\def\tikz@schar{\pgfutil@ifnextchar i{\tikz@sine}{\tikz@svg@path}}
\def\tikz@g@char r{\pgfutil@ifnextchar i{\tikz@grid}{\tikz@graph}}
% svg syntax
% svg[options] "..."
\def\tikz@svg@path{%
\PackageError{tikz}{You need to say \string\usetikzlibrary{svg.path} to
use the svg path command}{}
}
\def\tikz@finish{%
% Rendering pipeline
%
% Step 1: Decorate path
%
\iftikz@decoratepath%
\tikz@lib@dec@decorate@path%
\fi%
%
% Step 1: Preactions
%
\pgfsyssoftpath@getcurrentpath\tikz@actions@path%
\edef\tikz@restorepathsize{%
\global\pgf@pathmaxx=\the\pgf@pathmaxx%
\global\pgf@pathmaxy=\the\pgf@pathmaxy%
\global\pgf@pathminx=\the\pgf@pathminx%
\global\pgf@pathminy=\the\pgf@pathminy%
}%
\tikz@preactions%
%
% Reset modes
%
\let\tikz@path@picture=\pgfutil@empty%
\tikz@mode@fillfalse%
\tikz@mode@drawfalse%
\tikz@mode@doublefalse%
\tikz@mode@clipfalse%
\tikz@mode@boundaryfalse%
\tikz@mode@fade@pathfalse%
\tikz@mode@fade@scopefalse%
\edef\tikz@pathextend{%
{\noexpand\pgfqpoint{\the\pgf@pathminx}{\the\pgf@pathminy}}%
{\noexpand\pgfqpoint{\the\pgf@pathmaxx}{\the\pgf@pathmaxy}}%
}%
\tikz@mode% installs the mode settings
% Path fading counts as an option:
\iftikz@mode@fade@path%
\tikz@addoption{%
\iftikz@fade@adjust%
\pgfsetfadingforcurrentpath{\tikz@path@fading}{\tikz@do@fade@transform}%
\else%
\pgfsetfading{\tikz@path@fading}{\tikz@do@fade@transform}%
\fi%
\tikz@mode@fade@pathfalse% no more fading...
}%
\fi%
% Rendering pipeline
%
% Step 2: Install scope fading
%
\iftikz@mode@fade@scope%
\iftikz@fade@adjust%
\pgfsetfadingforcurrentpath{\tikz@scope@fading}{\tikz@do@fade@transform}%
\else%
\pgfsetfading{\tikz@scope@fading}{\tikz@do@fade@transform}%
\fi%
\tikz@mode@fade@scopefalse%
\fi%
%
% Step 3: Setup options
%
\ifx\tikz@options\pgfutil@empty%
\else%
\pgfsys@beginscope%
\begingroup%
\tikz@options%
\fi%
%
% Step 4: Do a fill if shade or a path picture follows.
%
\iftikz@mode@fill%
\iftikz@mode@shade%
\pgfsyssoftpath@getcurrentpath\tikz@temppath
\pgfprocessround{\tikz@temppath}{\tikz@temppath}% change the path
\pgfsyssoftpath@setcurrentpath\tikz@temppath%
\pgfsyssoftpath@invokecurrentpath%
\pgfsys@fill%
\tikz@mode@fillfalse% no more filling...
\else%
\ifx\tikz@path@picture\pgfutil@empty%
\else%
\pgfsyssoftpath@getcurrentpath\tikz@temppath
\pgfprocessround{\tikz@temppath}{\tikz@temppath}% change the path
\pgfsyssoftpath@setcurrentpath\tikz@temppath%
\pgfsyssoftpath@invokecurrentpath%
\pgfsys@fill%
\tikz@mode@fillfalse% no more filling...
\fi%
\fi%
\fi%
%
% Step 5: Do a shade if necessary.
%
\iftikz@mode@shade%
\pgfsyssoftpath@getcurrentpath\tikz@temppath
\pgfprocessround{\tikz@temppath}{\tikz@temppath}% change the path
\pgfsyssoftpath@setcurrentpath\tikz@temppath%
\pgfshadepath{\tikz@shading}{\tikz@shade@angle}%
\tikz@mode@shadefalse% no more shading...
\fi%
%
% Step 5a: Do a path picture if necessary.
%
\ifx\tikz@path@picture\pgfutil@empty%
\else%
\begingroup%
\pgfsys@beginscope%
\pgfsyssoftpath@getcurrentpath\tikz@temppath
\pgfprocessround{\tikz@temppath}{\tikz@temppath}% change the path
\pgfsyssoftpath@setcurrentpath\tikz@temppath%
\pgfsyssoftpath@invokecurrentpath%
\pgfsys@clipnext%
\pgfsys@discardpath%
\pgf@relevantforpicturesizefalse%
\expandafter\def\csname pgf@sh@ns@path picture bounding box\endcsname{rectangle}
\expandafter\edef\csname pgf@sh@np@path picture bounding box\endcsname{%
\def\noexpand\southwest{\noexpand\pgfqpoint{\the\pgf@pathminx}{\the\pgf@pathminy}}%
\def\noexpand\northeast{\noexpand\pgfqpoint{\the\pgf@pathmaxx}{\the\pgf@pathmaxy}}%
}
\expandafter\def\csname pgf@sh@nt@path picture bounding box\endcsname{{1}{0}{0}{1}{0pt}{0pt}}
\expandafter\def\csname pgf@sh@pi@path picture bounding box\endcsname{\pgfpictureid}
\pgfinterruptpath%
\tikz@path@picture%
\endpgfinterruptpath%
\pgfsys@endscope%
\endgroup%
\let\tikz@path@picture=\pgfutil@empty%
\fi%
%
% Step 6: Double stroke, if necessary
%
\iftikz@mode@draw%
\iftikz@mode@double%
% Change line width
\begingroup%
\pgfsys@beginscope%
\tikz@double@setup%
\fi%
\fi%
%
% Step 7: Do stroke/fill/clip as needed
%
\edef\tikz@temp{\noexpand\pgfusepath{%
\iftikz@mode@fill fill,\fi%
\iftikz@mode@draw draw,\fi%
\iftikz@mode@clip clip,\fi%
}}%
\tikz@temp%
\tikz@mode@fillfalse% no more filling
%
% Step 8: Double stroke, if necessary
%
\iftikz@mode@draw%
\iftikz@mode@double%
\pgfsys@endscope%
\endgroup%
\fi%
\fi%
\tikz@mode@drawfalse% no more stroking
%
% Step 9: Postactions
%
\tikz@postactions%
%
% Step 10: Add labels and nodes
%
\box\tikz@figbox%
%
% Step 11: Close option brace
%
\ifx\tikz@options\pgfutil@empty%
\else%
\endgroup%
\pgfsys@endscope%
\iftikz@mode@clip%
\PackageError{tikz}{Extra options not allowed for clipping path command.}{}%
\fi%
\fi%
\iftikz@mode@clip%
\aftergroup\pgf@relevantforpicturesizefalse%
\fi%
\iftikz@mode@boundary%
\aftergroup\pgf@relevantforpicturesizefalse%
\fi%
\endgroup%
\global\pgflinewidth=\tikzscope@linewidth%
\tikz@path@do@at@end%
}
\let\tikz@lib@scope@check\pgfutil@empty% this is a hook for the scopes library
\def\tikz@path@do@at@end{\tikz@lib@scope@check}
% Extra actions
\def\tikz@extra@preaction#1{%
{%
\pgfsys@beginscope%
\setbox\tikz@figbox=\box\pgfutil@voidb@x%
\path[#1];% do extra path
\pgfsyssoftpath@setcurrentpath\tikz@actions@path% restore
\tikz@restorepathsize%
\pgfsys@endscope%
}%
}
\def\tikz@extra@postaction#1{%
{%
\pgfsys@beginscope%
\setbox\tikz@figbox=\box\pgfutil@voidb@x%
\tikz@restorepathsize%
\path[#1]\pgfextra{\pgfsyssoftpath@setcurrentpath\tikz@actions@path};% do extra path
\pgf@resetpathsizes%
\pgfsys@endscope%
}%
}
\def\tikz@skip#1{\tikz@scan@next@command#1}
\def\tikz@expand{%
\advance\tikz@expandcount by -1%
\ifnum\tikz@expandcount<0\relax%
\PackageError{tikz}{Giving up on this path. Did you forget a semicolon?}{}%
\let\@next=\tikz@finish%
\else%
\let\@next=\tikz@@expand
\fi%
\@next}
\def\tikz@@expand{%
\expandafter\tikz@scan@next@command\@let@token}
% Syntax for scopes:
% {scoped path commands}
\newif\iftikz@auto@end@path
\def\tikz@beginscope{\begingroup\tikz@auto@end@pathfalse\tikz@scan@next@command}
\def\tikz@endscope{%
\iftikz@auto@end@path\expandafter\tikz@finish\expandafter\egroup\else\expandafter\tikz@@endscope\fi%
}
\def\tikz@@endscope{%
\global\setbox\tikz@tempbox=\box\tikz@figbox%
\edef\tikz@marshal{%
\tikz@lastx=\the\tikz@lastx%
\tikz@lasty=\the\tikz@lasty%
\iftikz@current@point@local%
\else%
\tikz@lastxsaved=\the\tikz@lastxsaved%
\tikz@lastysaved=\the\tikz@lastysaved%
\ifx\tikz@moveto@waiting\relax%
\let\tikz@moveto@waiting\relax%
\else%
\def\noexpand\tikz@moveto@waiting{\tikz@moveto@waiting}%
\fi%
\iftikz@shapeborder%
\noexpand\tikz@shapebordertrue%
\def\noexpand\tikz@shapeborder@name{\tikz@shapeborder@name}%
\else%
\noexpand\tikz@shapeborderfalse%
\fi%
\fi%
}%
\expandafter%
\endgroup\tikz@marshal%
\setbox\tikz@figbox=\box\tikz@tempbox%
\tikz@scan@next@command}
% Syntax for pgfextra:
% \pgfextra {normal tex text}
% \pgfextra normal tex text \endpgfextra
\def\tikz@extra{\pgfutil@ifnextchar\bgroup\tikz@@extra\relax}
\long\def\tikz@@extra#1{#1\tikz@scan@next@command}
\let\endpgfextra=\tikz@scan@next@command
\def\pgfextra{pgfextra}
% Syntax for \foreach:
% \foreach \var in {list} {path text}
%
% Example:
%
% \draw (0,0) \foreach \x in {1,2,3} {-- (\x,0) circle (1cm)} -- (5,5);
\def\tikz@foreach{%
\def\pgffor@beginhook{%
\tikz@lastx=\tikz@foreach@save@lastx%
\tikz@lasty=\tikz@foreach@save@lasty%
\tikz@lastxsaved=\tikz@foreach@save@lastxsaved%
\tikz@lastysaved=\tikz@foreach@save@lastysaved%
\setbox\tikz@figbox=\box\tikz@tempbox\expandafter\tikz@scan@next@command\pgfutil@firstofone}%
\def\pgffor@endhook{\pgfextra{%
\xdef\tikz@foreach@save@lastx{\the\tikz@lastx}%
\xdef\tikz@foreach@save@lasty{\the\tikz@lasty}%
\xdef\tikz@foreach@save@lastxsaved{\the\tikz@lastxsaved}%
\xdef\tikz@foreach@save@lastysaved{\the\tikz@lastysaved}%
\global\setbox\tikz@tempbox=\copy\tikz@figbox\pgfutil@gobble}}%
\def\pgffor@afterhook{%
\tikz@lastx=\tikz@foreach@save@lastx%
\tikz@lasty=\tikz@foreach@save@lasty%
\tikz@lastxsaved=\tikz@foreach@save@lastxsaved%
\tikz@lastysaved=\tikz@foreach@save@lastysaved%
\setbox\tikz@figbox=\box\tikz@tempbox\tikz@scan@next@command}%
\global\setbox\tikz@tempbox=\copy\tikz@figbox%
\xdef\tikz@foreach@save@lastx{\the\tikz@lastx}%
\xdef\tikz@foreach@save@lasty{\the\tikz@lasty}%
\xdef\tikz@foreach@save@lastxsaved{\the\tikz@lastxsaved}%
\xdef\tikz@foreach@save@lastysaved{\the\tikz@lastysaved}%
\foreach}
% Syntax for againpath:
% \againpath \somepathname
\def\tikz@command@againpath#1{%
\pgfextra{%
\pgfsyssoftpath@getcurrentpath\tikz@temp%
\expandafter\pgfutil@g@addto@macro\expandafter\tikz@temp\expandafter{#1}%
\pgfsyssoftpath@setcurrentpath\tikz@temp%
}
}
%
% When this if is set, a just-scanned point is a shape and its border
% position still needs to be determined, depending on subsequent
% commands.
%
\newif\iftikz@shapeborder
% Syntax for moveto:
% <point>
\def\tikz@movetoabs{\tikz@moveto(}
\def\tikz@movetorel{\tikz@moveto+}
\def\tikz@moveto{%
\tikz@scan@one@point{\tikz@@moveto}}
\def\tikz@@moveto#1{%
\tikz@make@last@position{#1}%
\iftikz@shapeborder%
% ok, the moveto will have to wait. flag that we have a moveto in
% wainting:
\edef\tikz@moveto@waiting{\tikz@shapeborder@name}%
\else%
\pgfpathmoveto{\tikz@last@position}%
\let\tikz@moveto@waiting=\relax%
\fi%
\tikz@scan@next@command%
}
\let\tikz@moveto@waiting=\relax % normally, nothing is waiting...
\def\tikz@flush@moveto{%
\ifx\tikz@moveto@waiting\relax%
\else%
\pgfpathmoveto{\tikz@last@position}%
\fi%
\let\tikz@moveto@waiting=\relax%
}
\def\tikz@flush@moveto@toward#1#2#3{%
% #1 = a point towards which the last moveto should be corrected
% #2 = a dimension to which the corrected x-coordinate should be stored
% #3 = a dimension for the corrected y-coordinate
\ifx\tikz@moveto@waiting\relax%
% do nothing
\else%
\pgf@process{\pgfpointshapeborder{\tikz@moveto@waiting}{#1}}%
#2=\pgf@x%
#3=\pgf@y%
\edef\tikz@timer@start{\noexpand\pgfqpoint{\the\pgf@x}{\the\pgf@y}}%
\pgfpathmoveto{\pgfqpoint{\pgf@x}{\pgf@y}}%
\fi%
\let\tikz@moveto@waiting=\relax%
}
%
% Collecting labels on the path
%
\def\tikz@collect@coordinate@onpath#1coordinate{%
\pgfutil@ifnextchar[{\tikz@@collect@coordinate@opt#1}{\tikz@@collect@coordinate@opt#1[]}}%}
\def\tikz@@collect@coordinate@opt#1[#2]{%
\pgfutil@ifnextchar({\tikz@@collect@coordinate#1[#2]}{%
\tikz@collect@label@onpath#1node[shape=coordinate,#2]{}}}%}
\def\tikz@@collect@coordinate#1[#2](#3){%
\tikz@collect@label@onpath#1node[shape=coordinate,#2](#3){}}
\def\tikz@collect@label@onpath#1node{%
\expandafter\def\expandafter\tikz@collected@onpath\expandafter{\tikz@collected@onpath node}%
\tikz@collect@label@scan#1}
\def\tikz@collect@label@scan#1{%
\pgfutil@ifnextchar({\tikz@collect@paran#1}%
{\pgfutil@ifnextchar[{\tikz@collect@options#1}%
{\pgfutil@ifnextchar\bgroup{\tikz@collect@arg#1}%
{#1}}}%
}%}}
\def\tikz@collect@paran#1(#2){%
\expandafter\def\expandafter\tikz@collected@onpath\expandafter{\tikz@collected@onpath(#2)}%
\tikz@collect@label@scan#1%
}
\def\tikz@collect@options#1[#2]{%
\expandafter\def\expandafter\tikz@collected@onpath\expandafter{\tikz@collected@onpath[#2]}%
\tikz@collect@label@scan#1%
}
\def\tikz@collect@arg#1#2{%
\expandafter\def\expandafter\tikz@collected@onpath\expandafter{\tikz@collected@onpath{#2}}%
#1%
}
\def\tikz@invoke@collected@onpath{%
\tikz@node@is@a@labeltrue%
\let\tikz@temp=\tikz@collected@onpath%
\let\tikz@collected@onpath=\pgfutil@empty%
\expandafter\tikz@scan@next@command\tikz@temp\pgf@stop%
\tikz@node@is@a@labelfalse%
}
% Syntax for lineto:
% -- <point>
\def\tikz@lineto{%
\pgfutil@ifnextchar |%
{\expandafter\tikz@hv@lineto\pgfutil@gobble}%
{\expandafter\pgfutil@ifnextchar\tikz@activebar{\expandafter\tikz@hv@lineto\pgfutil@gobble}%
{\expandafter\tikz@lineto@mid\pgfutil@gobble}}}
\def\tikz@lineto@mid{%
\pgfutil@ifnextchar n{\tikz@collect@label@onpath\tikz@lineto@mid}%
{%
\pgfutil@ifnextchar c{\tikz@close}{%
\pgfutil@ifnextchar p{\pgfsetlinetofirstplotpoint\expandafter\tikz@plot\pgfutil@gobble}%
{\tikz@scan@one@point{\tikz@@lineto}}}}}
\def\tikz@@lineto#1{%
% Record the starting point for later labels on the path:
\edef\tikz@timer@start{\noexpand\pgfqpoint{\the\tikz@lastx}{\the\tikz@lasty}}
\iftikz@shapeborder%
% ok, target is a shape. recalculate end
\pgf@process{\pgfpointshapeborder{\tikz@shapeborder@name}{\tikz@last@position}}%
\tikz@make@last@position{\pgfqpoint{\pgf@x}{\pgf@y}}%
\tikz@flush@moveto@toward{\tikz@last@position}\pgf@x\pgf@y%
\tikz@path@lineto{\tikz@last@position}%
\edef\tikz@timer@end{\noexpand\pgfqpoint{\the\tikz@lastx}{\the\tikz@lasty}}%
\tikz@make@last@position{#1}%
\edef\tikz@moveto@waiting{\tikz@shapeborder@name}%
\else%
% target is a reasonable point...
% Record the starting point for later labels on the path:
\tikz@make@last@position{#1}%
\tikz@flush@moveto@toward{\tikz@last@position}\pgf@x\pgf@y%
\tikz@path@lineto{\tikz@last@position}%
\edef\tikz@timer@end{\noexpand\pgfqpoint{\the\tikz@lastx}{\the\tikz@lasty}}%
\fi%
\let\tikz@timer=\tikz@timer@line%
\tikz@scan@next@command%
}
% snake or lineto?
\def\tikz@path@lineto#1{%
\iftikz@snaked%
{
\pgfsyssoftpathmovetorelevantfalse%
\pgfpathsnakesto{\tikz@presnake,{\tikz@snake}{\tikz@mainsnakelength}{\noexpand\tikz@snake@install@trans}{},\tikz@postsnake}{#1}%
}
\else%
\pgfpathlineto{#1}%
\fi%
}
% snake or lineto?
\def\tikz@path@close#1{%
\iftikz@snaked%
{%
\pgftransformreset%
\pgfpathsnakesto{\tikz@presnake,{\tikz@snake}{\tikz@mainsnakelength}{\noexpand\tikz@snake@install@trans}{},\tikz@postsnake}{#1}%
}%
\fi%
\pgfpathclose%
}
% Syntax for lineto horizontal/vertical:
% -| <point>
\def\tikz@hv@lineto{%
\pgfutil@ifnextchar n
{\tikz@collect@label@onpath\tikz@hv@lineto}
{\pgfutil@ifnextchar c{\tikz@collect@coordinate@onpath\tikz@hv@lineto}%
{\tikz@scan@one@point{\tikz@@hv@lineto}}}}
\def\tikz@@hv@lineto#1{%
\edef\tikz@timer@start{\noexpand\pgfqpoint{\the\tikz@lastx}{\the\tikz@lasty}}%
\pgf@yc=\tikz@lasty%
\tikz@make@last@position{#1}%
\tikz@flush@moveto@toward{\pgfqpoint{\tikz@lastx}{\pgf@yc}}\pgf@x\pgf@yc%
\iftikz@shapeborder%
% ok, target is a shape. have to work now:
{%
\pgf@process{\pgfpointshapeborder{\tikz@shapeborder@name}{\pgfqpoint{\tikz@lastx}{\pgf@yc}}}%
\tikz@make@last@position{\pgfqpoint{\pgf@x}{\pgf@y}}%
\tikz@path@lineto{\pgfqpoint{\tikz@lastx}{\pgf@yc}}%
\tikz@path@lineto{\tikz@last@position}%
\xdef\tikz@timer@end@temp{\noexpand\pgfqpoint{\the\tikz@lastx}{\the\tikz@lasty}}% move out of group
}%
\let\tikz@timer@end=\tikz@timer@end@temp%
\edef\tikz@moveto@waiting{\tikz@shapeborder@name}%
\else%
\tikz@path@lineto{\pgfqpoint{\tikz@lastx}{\pgf@yc}}%
\tikz@path@lineto{\tikz@last@position}%
\edef\tikz@timer@end{\noexpand\pgfqpoint{\the\tikz@lastx}{\the\tikz@lasty}}% move out of group
\fi%
\let\tikz@timer=\tikz@timer@hvline%
\tikz@scan@next@command%
}
% Syntax for lineto vertical/horizontal:
% |- <point>
\def\tikz@vh@lineto-{\tikz@vh@lineto@next}
\def\tikz@vh@lineto@next{%
\pgfutil@ifnextchar n
{\tikz@collect@label@onpath\tikz@vh@lineto@next}
{\pgfutil@ifnextchar c{\tikz@collect@coordinate@onpath\tikz@vh@lineto@next}%
{\tikz@scan@one@point\tikz@@vh@lineto}}}
\def\tikz@@vh@lineto#1{%
\edef\tikz@timer@start{\noexpand\pgfqpoint{\the\tikz@lastx}{\the\tikz@lasty}}%
\pgf@xc=\tikz@lastx%
\tikz@make@last@position{#1}%
\tikz@flush@moveto@toward{\pgfqpoint{\pgf@xc}{\tikz@lasty}}\pgf@xc\pgf@y%
\iftikz@shapeborder%
% ok, target is a shape. have to work now:
{%
\pgf@process{\pgfpointshapeborder{\tikz@shapeborder@name}{\pgfqpoint{\pgf@xc}{\tikz@lasty}}}%
\tikz@make@last@position{\pgfqpoint{\pgf@x}{\pgf@y}}%
\tikz@path@lineto{\pgfqpoint{\pgf@xc}{\tikz@lasty}}%
\tikz@path@lineto{\tikz@last@position}%
\xdef\tikz@timer@end@temp{\noexpand\pgfqpoint{\the\tikz@lastx}{\the\tikz@lasty}}% move out of group
}%
\let\tikz@timer@end=\tikz@timer@end@temp%
\edef\tikz@moveto@waiting{\tikz@shapeborder@name}%
\else%
\tikz@path@lineto{\pgfqpoint{\pgf@xc}{\tikz@lasty}}%
\tikz@path@lineto{\tikz@last@position}%
\edef\tikz@timer@end{\noexpand\pgfqpoint{\the\tikz@lastx}{\the\tikz@lasty}}%
\fi%
\let\tikz@timer=\tikz@timer@vhline%
\tikz@scan@next@command%
}
% Syntax for cycle:
% -- cycle
\def\tikz@close c{%
\pgfutil@ifnextchar o{\tikz@collect@coordinate@onpath\tikz@lineto@mid c}% oops, a coordinate
{\tikz@@close c}}%
\def\tikz@@close cycle{%
\tikz@flush@moveto%
\tikz@path@close{\expandafter\pgfpoint\pgfsyssoftpath@lastmoveto}%
\def\pgfstrokehook{}%
\let\tikz@timer=\@undefined%
\tikz@scan@next@command%
}
% Syntax for options:
% [options]
\def\tikz@parse@options#1]{%
\tikzset{#1}%
\tikz@scan@next@command%
}
% Syntax for edges:
% edge [options] (coordinate)
% edge [options] node {node text} (coordinate)
\def\tikz@edge@plain{%
\begingroup%
\ifx\tikz@to@use@whom\pgfutil@undefined\else\tikz@to@use@whom\fi
\let\tikz@to@or@edge@function=\tikz@do@edge%
\tikz@to@or@edge}
% Syntax for to paths:
% to [options] (coordinate)
% to [options] node {node text} (coordinate)
\def\tikz@to o{%
\tikz@to@use@last@coordinate%
\let\tikz@to@or@edge@function=\tikz@do@to%
\tikz@to@or@edge}
\def\tikz@to@or@edge{\pgfutil@ifnextchar[\tikz@@to@or@edge{\tikz@@to@or@edge[]}}%}
\def\tikz@@to@or@edge[#1]{%
\def\tikz@@to@local@options{[#1]}%
\let\tikz@collected@onpath=\pgfutil@empty%
\tikz@@to@collect%
}
\def\tikz@@to@collect{%
\pgfutil@ifnextchar(\tikz@@to@or@edge@coordinate%)
{\pgfutil@ifnextchar n{\tikz@collect@label@onpath\tikz@@to@collect}%
{\pgfutil@ifnextchar c{\tikz@collect@coordinate@onpath\tikz@@to@collect}%
{\pgfutil@ifnextchar +{\tikz@scan@one@point\tikz@@to@or@edge@math}%
{\PackageError{tikz}{(, +, coordinate, or node expected}{}%)
\tikz@@to@or@edge@coordinate()}}}}%
}
\def\tikz@@to@or@edge@coordinate({%
\pgfutil@ifnextchar${%$
% Ok, parse directly
\tikz@scan@one@point\tikz@@to@or@edge@math(%
}{%
\pgfutil@ifnextchar[{%]
\tikz@scan@one@point\tikz@@to@or@edge@math(%
}{%
\tikz@@to@or@edge@@coordinate(%
}%
}%
}
\def\tikz@@to@or@edge@math#1{%
\pgf@process{#1}%
\edef\tikztotarget{\the\pgf@x,\the\pgf@y}%
\tikz@to@or@edge@function%
}
\def\tikz@@to@or@edge@@coordinate(#1){%
\def\tikztotarget{#1}%
\tikz@to@or@edge@function%
}
\def\tikz@do@edge{%
\setbox\tikz@figbox=\hbox\bgroup%
\unhbox\tikz@figbox%
\hbox\bgroup
\bgroup%
\pgfinterruptpath%
\pgfscope%
\let\tikz@transform=\pgfutil@empty%
\let\tikz@options=\pgfutil@empty%
\let\tikz@tonodes=\tikz@collected@onpath%
\def\tikztonodes{{\pgfextra{\tikz@node@is@a@labeltrue}\tikz@tonodes}}%
\let\tikz@collected@onpath=\pgfutil@empty%
\tikz@options%
\tikz@transform%
% Typeset node:
\let\tikz@after@path\pgfutil@empty%
\tikz@atbegin@to%
\path[style=every edge]\tikz@@to@local@options(\tikztostart)\tikz@to@path
\pgfextra{\global\let\tikz@after@path@smuggle=\tikz@after@path};%
\tikz@atend@to%
\endpgfscope%
\endpgfinterruptpath%
\egroup
\egroup%
\egroup%
\global\setbox\tikz@tempbox=\copy\tikz@figbox%
\endgroup%
\setbox\tikz@figbox=\box\tikz@tempbox%
\expandafter\tikz@scan@next@command\tikz@after@path%
}
\def\tikz@do@to{%
\let\tikz@tonodes=\tikz@collected@onpath%
\def\tikztonodes{{\pgfextra{\tikz@node@is@a@labeltrue}\tikz@tonodes}}%
\let\tikz@collected@onpath=\pgfutil@empty%
\tikz@scan@next@command%
{%
\pgfextra{\let\tikz@after@path\pgfutil@empty}%
\pgfextra{\tikz@atbegin@to}%
[style=every to]\tikz@@to@local@options\tikz@to@path%
\pgfextra{\tikz@atend@to}%
\pgf@stop%
\expandafter\tikz@scan@next@command\expandafter%
}\tikz@after@path%
}
\def\tikz@to@use@last@coordinate{%
\iftikz@shapeborder%
\edef\tikztostart{\tikz@shapeborder@name}%
\else%
\edef\tikztostart{\the\tikz@lastx,\the\tikz@lasty}%
\fi%
}
\def\tikz@to@use@last@fig@name{%
\edef\tikztostart{\tikz@to@last@fig@name}%
}
% Syntax for graph path command:
% graph {...}
% See the graph library for details
\def\tikz@graph aph{\tikz@lib@graph@parser}
\def\tikz@lib@graph@parser{\pgfutil@ifnextchar[\tikz@graph@error{\tikz@graph@error[]}}%]
\def\tikz@graph@error[#1]#2{%
\PackageError{tikz}{You need to say \string\usetikzlibrary{graph} in
order to use the graph syntax}{}%
\tikz@lib@graph@parser@done%
}
\def\tikz@lib@graph@parser@done{%
\tikz@scan@next@command%
}
% Syntax for edge from parent:
% edge from parent [options]
\def\tikz@edgetoparent from parent{\pgfutil@ifnextchar[\tikz@@edgetoparent{\tikz@@edgetoparent[]}}%}
\def\tikz@@edgetoparent[#1]{%
\let\tikz@edge@to@parent@needed=\pgfutil@empty%
\tikz@node@is@a@labeltrue%
\tikz@scan@next@command [style=edge from parent,#1] \tikz@edge@to@parent@path%
}
% Syntax for bezier curves
% .. controls(point) and (point) .. (target)
% .. controls(point) .. (target)
% .. (target) % currently not supported
\def\tikz@dot.{\tikz@@dot}%
\def\tikz@@dot{%
\pgfutil@ifnextchar n%
{\tikz@collect@label@onpath\tikz@@dot}%
{\pgfutil@ifnextchar c{\tikz@curveto@double}{\tikz@curveto@auto}}}
\def\tikz@curveto@double co{%
\pgfutil@ifnextchar o{\tikz@collect@coordinate@onpath\tikz@@dot co}
{\tikz@cureveto@@double}}
\def\tikz@cureveto@@double ntrols#1{%
\tikz@scan@one@point\tikz@curveA#1%
}
\def\tikz@curveA#1{%
\edef\tikz@timer@start{\noexpand\pgfqpoint{\the\tikz@lastx}{\the\tikz@lasty}}%
{%
\tikz@make@last@position{#1}%
\xdef\tikz@curve@first{\noexpand\pgfqpoint{\the\tikz@lastx}{\the\tikz@lasty}}%
}%
\pgfutil@ifnextchar a
{\tikz@curveBand}%
{\let\tikz@curve@second\tikz@curve@first\tikz@curveCdots}%
}
\def\tikz@curveBand and{%
\tikz@scan@one@point\tikz@curveB%
}
\def\tikz@curveB#1{%
\def\tikz@curve@second{#1}%
\tikz@curveCdots}
\def\tikz@curveCdots{%
\afterassignment\tikz@curveCdot\let\@next=}
\def\tikz@curveCdot.{%
\ifx\@next.%
\else%
\PackageError{tikz}{Dot expected}{}%
\fi%
\tikz@updatecurrenttrue%
\tikz@curveCcheck%
}
\def\tikz@curveCcheck{%
\pgfutil@ifnextchar n%
{\tikz@collect@label@onpath\tikz@curveCcheck}
{\pgfutil@ifnextchar c{\tikz@collect@coordinate@onpath\tikz@curveCcheck}
{\tikz@scan@one@point\tikz@curveC}}%
}
\def\tikz@curveC#1{%
\tikz@make@last@position{#1}%
\edef\tikz@curve@third{\noexpand\pgfqpoint{\the\tikz@lastx}{\the\tikz@lasty}}%
{%
\tikz@lastxsaved=\tikz@lastx%
\tikz@lastysaved=\tikz@lasty%
\tikz@make@last@position{\tikz@curve@second}%
\xdef\tikz@curve@second{\noexpand\pgfqpoint{\the\tikz@lastx}{\the\tikz@lasty}}%
}%
%
% Start recalculating things in case start and end are shapes.
%
% First, the start:
\ifx\tikz@moveto@waiting\relax%
\else%
\pgf@process{\pgfpointshapeborder{\tikz@moveto@waiting}{\tikz@curve@first}}%
\edef\tikz@timer@start{\noexpand\pgfqpoint{\the\pgf@x}{\the\pgf@y}}%
\pgfpathmoveto{\pgfqpoint{\pgf@x}{\pgf@y}}%
\fi%
\let\tikz@timer@cont@one=\tikz@curve@first%
\let\tikz@timer@cont@two=\tikz@curve@second%
% Second, the end:
\iftikz@shapeborder%
% ok, target is a shape. recalculate third
{%
\pgf@process{\pgfpointshapeborder{\tikz@shapeborder@name}{\tikz@curve@second}}%
\tikz@make@last@position{\pgfqpoint{\pgf@x}{\pgf@y}}%
\edef\tikz@curve@third{\noexpand\pgfqpoint{\the\tikz@lastx}{\the\tikz@lasty}}%
\pgfpathcurveto{\tikz@curve@first}{\tikz@curve@second}{\tikz@curve@third}%
\global\let\tikz@timer@end@temp=\tikz@curve@third% move out of group
}%
\let\tikz@timer@end=\tikz@timer@end@temp%
\edef\tikz@moveto@waiting{\tikz@shapeborder@name}%
\else%
\pgfpathcurveto{\tikz@curve@first}{\tikz@curve@second}{\tikz@curve@third}%
\let\tikz@timer@end=\tikz@curve@third
\let\tikz@moveto@waiting=\relax%
\fi%
\let\tikz@timer=\tikz@timer@curve%
\tikz@scan@next@command%
}
% Syntax for rectangles:
% rectangle <corner point>
\def\tikz@rect ectangle{%
\tikz@flush@moveto%
\edef\tikz@timer@start{\noexpand\pgfqpoint{\the\tikz@lastx}{\the\tikz@lasty}}%
\tikz@@rect}%
\def\tikz@@rect{%
\pgfutil@ifnextchar n
{\tikz@collect@label@onpath\tikz@@rect}
{\pgfutil@ifnextchar c{\tikz@collect@coordinate@onpath\tikz@@rect}%
{
\pgf@xa=\tikz@lastx\relax%
\pgf@ya=\tikz@lasty\relax%
\tikz@scan@one@point\tikz@rectB}}}
\def\tikz@rectB#1{%
\tikz@make@last@position{#1}%
\edef\tikz@timer@end{\noexpand\pgfqpoint{\the\tikz@lastx}{\the\tikz@lasty}}%
\let\tikz@timer=\tikz@timer@line%
\pgfpathmoveto{\pgfqpoint{\pgf@xa}{\pgf@ya}}%
\tikz@path@lineto{\pgfqpoint{\pgf@xa}{\tikz@lasty}}%
\tikz@path@lineto{\pgfqpoint{\tikz@lastx}{\tikz@lasty}}%
\tikz@path@lineto{\pgfqpoint{\tikz@lastx}{\pgf@ya}}%
\iftikz@snaked%
\tikz@path@lineto{\pgfqpoint{\pgf@xa}{\pgf@ya}}%
\fi%
\pgfpathclose%
\pgfpathmoveto{\pgfqpoint{\tikz@lastx}{\tikz@lasty}}%
\def\pgfstrokehook{}%
\tikz@scan@next@command%
}
% Syntax for grids:
% grid <corner point>
\def\tikz@grid id{%
\tikz@flush@moveto%
\pgf@xa=\tikz@lastx\relax%
\pgf@ya=\tikz@lasty\relax%
\pgfutil@ifnextchar[{\tikz@gridA}{\tikz@gridA[]}}%}
\def\tikz@gridA[#1]{%
\def\tikz@grid@options{#1}%
\tikz@scan@one@point\tikz@gridB}%
\def\tikz@gridB#1{%
\tikz@make@last@position{#1}%
{%
\let\tikz@after@path\pgfutil@empty%
\expandafter\tikzset\expandafter{\tikz@grid@options}
\tikz@checkunit{\tikz@grid@x}%
\iftikz@isdimension%
\pgf@process{\pgfpoint{\tikz@grid@x}{0pt}}%
\else%
\pgf@process{\pgfpointxy{\tikz@grid@x}{0}}%
\fi%
\pgf@xb=\pgf@x%
\pgf@yb=\pgf@y%
\tikz@checkunit{\tikz@grid@y}%
\iftikz@isdimension%
\pgf@process{\pgfpoint{0pt}{\tikz@grid@y}}%
\else%
\pgf@process{\pgfpointxy{0}{\tikz@grid@y}}%
\fi%
\advance\pgf@xb by\pgf@x%
\advance\pgf@yb by\pgf@y%
\pgfpathgrid[stepx=\pgf@xb,stepy=\pgf@yb]%
{\pgfqpoint{\pgf@xa}{\pgf@ya}}{\pgfqpoint{\tikz@lastx}{\tikz@lasty}}%
\expandafter}%
\expandafter\tikz@scan@next@command\tikz@after@path%
}
% Syntax for plot:
% plot [local options] ... % starts with a moveto
% -- plot [local options] ... % starts with a lineto
\def\tikz@plot lot{%
\tikz@flush@moveto%
\pgfutil@ifnextchar[{\tikz@@plot}{\tikz@@plot[]}}%}
\def\tikz@@plot[#1]{%
\begingroup%
\let\tikz@after@path\pgfutil@empty%
\let\tikz@options=\pgfutil@empty%
\tikzset{every plot/.try}%
\tikzset{#1}%
\pgfutil@ifnextchar f{\tikz@plot@f}%
{\pgfutil@ifnextchar c{\tikz@plot@scan@points}%
{\pgfutil@ifnextchar ({\tikz@plot@expression}{%
\PackageError{tikz}{Cannot parse this plotting data}{}%
\endgroup}}}}
\def\tikz@plot@f f{\pgfutil@ifnextchar i{\tikz@plot@file}{\tikz@plot@function}}
\def\tikz@plot@file ile#1{\def\tikz@plot@data{\pgfplotxyfile{#1}}\tikz@@@plot}%
\def\tikz@plot@scan@points coordinates#1{%
\pgfplothandlerrecord\tikz@plot@data%
\pgfplotstreamstart%
\pgfutil@ifnextchar\pgf@stop{\pgfplotstreamend\expandafter\tikz@@@plot\pgfutil@gobble}
{\tikz@scan@one@point\tikz@plot@next@point}%
#1\pgf@stop%
}
\def\tikz@plot@next@point#1{%
\pgfplotstreampoint{#1}%
\pgfutil@ifnextchar\pgf@stop{\pgfplotstreamend\expandafter\tikz@@@plot\pgfutil@gobble}%
{\tikz@scan@one@point\tikz@plot@next@point}%
}
\def\tikz@plot@function unction#1{%
\def\tikz@plot@filename{\tikz@plot@prefix\tikz@plot@id}%
\iftikz@plot@raw@gnuplot%
\def\tikz@plot@data{\pgfplotgnuplot[\tikz@plot@filename]{#1}}%
\else%
\iftikz@plot@parametric%
\def\tikz@plot@data{\pgfplotgnuplot[\tikz@plot@filename]{%
set samples \tikz@plot@samples;
set parametric;
plot [t=\tikz@plot@domain] #1}}%
\else%
\def\tikz@plot@data{\pgfplotgnuplot[\tikz@plot@filename]{%
set samples \tikz@plot@samples;
plot [x=\tikz@plot@domain] #1}}%
\fi%
\fi%
\tikz@@@plot%
}
\def\tikz@plot@no@resample{%
\pgfutil@IfFileExists{\tikz@plot@filename.table}%
{\def\tikz@plot@data{\pgfplotxyfile{\tikz@plot@filename.table}}}%
{}%
}
\def\tikz@plot@expression(#1){%
\edef\tikz@plot@data{\noexpand\pgfplotfunction{\expandafter\noexpand\tikz@plot@var}{\tikz@plot@samplesat}}%
\expandafter\def\expandafter\tikz@plot@data\expandafter{\tikz@plot@data{\tikz@scan@one@point\pgfutil@firstofone(#1)}}%
\tikz@@@plot%
}
\def\tikz@@@plot{%
\def\pgfplotlastpoint{\pgfpointorigin}%
\tikz@plot@handler%
\tikz@plot@data%
\global\let\tikz@@@temp=\pgfplotlastpoint%
\ifx\tikz@plot@mark\pgfutil@empty%
\else%
% Marks are drawn after the path.
\setbox\tikz@figbox=\hbox{%
\unhbox\tikz@figbox%
\hbox{{%
\pgfinterruptpath%
\pgfscope%
\let\tikz@options=\pgfutil@empty%
\let\tikz@transform=\pgfutil@empty%
\tikzset{every mark}%
\tikz@options%
\ifx\tikz@mark@list\pgfutil@empty%
\pgfplothandlermark{\tikz@transform\pgfuseplotmark{\tikz@plot@mark}}%
\else
\pgfplothandlermarklisted{\tikz@transform\pgfuseplotmark{\tikz@plot@mark}}{\tikz@mark@list}%
\fi
\tikz@plot@data%
\endpgfscope
\endpgfinterruptpath%
}}%
}%
\fi%
\global\setbox\tikz@tempbox=\copy\tikz@figbox%
\global\let\tikz@after@path@smuggle=\tikz@after@path
\endgroup%
\setbox\tikz@figbox=\box\tikz@tempbox%
\tikz@make@last@position{\tikz@@@temp}%
\expandafter\tikz@scan@next@command\tikz@after@path@smuggle%
}
\pgfdeclareplotmark{ball}
{%
\def\tikz@shading{ball}%
\shade (0pt,0pt) circle (\pgfplotmarksize);%
}
% Syntax for cosine curves:
% cos <end of quarter-period>
\def\tikz@cosine s{\tikz@scan@one@point\tikz@@cosine}
\def\tikz@@cosine#1{%
\tikz@flush@moveto%
\pgf@process{#1}%
\pgf@xc=\pgf@x%
\pgf@yc=\pgf@y%
\advance\pgf@xc by-\tikz@lastx%
\advance\pgf@yc by-\tikz@lasty%
\advance\tikz@lastx by\pgf@xc%
\advance\tikz@lasty by\pgf@yc%
\tikz@lastxsaved=\tikz@lastx%
\tikz@lastysaved=\tikz@lasty%
\tikz@updatecurrenttrue%
\pgfpathcosine{\pgfqpoint{\pgf@xc}{\pgf@yc}}%
\tikz@scan@next@command%
}
% Syntax for sine curves:
% sin <end of quarter-period>
\def\tikz@sine in{\tikz@scan@one@point\tikz@@sine}
\def\tikz@@sine#1{%
\tikz@flush@moveto%
\pgf@process{#1}%
\pgf@xc=\pgf@x%
\pgf@yc=\pgf@y%
\advance\pgf@xc by-\tikz@lastx%
\advance\pgf@yc by-\tikz@lasty%
\advance\tikz@lastx by\pgf@xc%
\advance\tikz@lasty by\pgf@yc%
\tikz@lastxsaved=\tikz@lastx%
\tikz@lastysaved=\tikz@lasty%
\tikz@updatecurrenttrue%
\pgfpathsine{\pgfqpoint{\pgf@xc}{\pgf@yc}}%
\tikz@scan@next@command%
}
% Syntax for parabolas:
% parabola[options] bend <coordinate> <coordinate>
\def\tikz@parabola arabola{%
\pgfutil@ifnextchar[{\tikz@parabola@options}{\tikz@parabola@options[]}}%}
\def\tikz@parabola@options[#1]{%
\def\tikz@parabola@option{#1}%
\pgfutil@ifnextchar b{\tikz@parabola@scan@bend}{\tikz@scan@one@point\tikz@parabola@semifinal}}
\def\tikz@parabola@scan@bend bend{\tikz@scan@one@point\tikz@parabola@scan@bendB}
\def\tikz@parabola@scan@bendB#1{%
\def\tikz@parabola@bend{#1}%
\tikz@scan@one@point\tikz@parabola@semifinal%
}
\def\tikz@parabola@semifinal#1{%
\tikz@flush@moveto%
% Save original start:
\pgf@xb=\tikz@lastx%
\pgf@yb=\tikz@lasty%
\tikz@make@last@position{#1}%
\pgf@xc=\tikz@lastx%
\pgf@yc=\tikz@lasty%
\begingroup% now calculate bend:
\let\tikz@after@path\pgfutil@empty%
\expandafter\tikzset\expandafter{\tikz@parabola@option}%
\tikz@lastxsaved=\tikz@parabola@bend@factor\tikz@lastx%
\tikz@lastysaved=\tikz@parabola@bend@factor\tikz@lasty%
\advance\tikz@lastxsaved by\pgf@xb%
\advance\tikz@lastysaved by\pgf@yb%
\advance\tikz@lastxsaved by-\tikz@parabola@bend@factor\pgf@xb%
\advance\tikz@lastysaved by-\tikz@parabola@bend@factor\pgf@yb%
\expandafter\tikz@make@last@position\expandafter{\tikz@parabola@bend}%
% Calculate delta from bend
\advance\pgf@xc by-\tikz@lastx%
\advance\pgf@yc by-\tikz@lasty%
% Ok, now calculate delta to bend
\advance\tikz@lastx by-\pgf@xb%
\advance\tikz@lasty by-\pgf@yb%
\xdef\tikz@parabola@b{{\noexpand\pgfqpoint{\the\tikz@lastx}{\the\tikz@lasty}}{\noexpand\pgfqpoint{\the\pgf@xc}{\the\pgf@yc}}}%
\expandafter\endgroup%
\expandafter\expandafter\expandafter\pgfpathparabola\expandafter\tikz@parabola@b%
\expandafter\tikz@scan@next@command\tikz@after@path%
}
% Syntax for circles:
% circle [options] % where options should set, at least, radius
% circle (radius) % deprecated
%
% Syntax for ellipses:
% ellipse [options] % identical to circle.
% ellipse (x-radius and y-radius) % deprecated
%
% radii can be dimensionless, then they are in the xy-system
\def\tikz@circle ircle{\tikz@flush@moveto\tikz@@circle}
\def\tikz@ellipse llipse{\tikz@flush@moveto\tikz@@circle}
\def\tikz@@circle{%
\pgfutil@ifnextchar(\tikz@@@circle
{\pgfutil@ifnextchar[\tikz@circle@opt{%])
\advance\tikz@expandcount by -10\relax% go down quickly
\ifnum\tikz@expandcount<0\relax%
\let\@next=\tikz@@circle@normal%
\else%
\let\@next=\tikz@@circle@scanexpand%
\fi%
\@next%
}}%
}
\def\tikz@@circle@scanexpand{\expandafter\tikz@@circle}
\def\tikz@@circle@normal{\tikz@circle@opt[]}
\def\tikz@circle@opt[#1]{%
{%
\def\tikz@node@at{\tikz@last@position}%
\let\tikz@transform=\pgfutil@empty%
\tikzset{every circle/.try,#1}%
\pgftransformshift{\tikz@node@at}%
\tikz@transform%
\tikz@do@circle{\pgfkeysvalueof{/tikz/x radius}}{\pgfkeysvalueof{/tikz/y radius}}
}%
\tikz@scan@next@command%
}
\def\tikz@@@circle(#1){%
{%
\pgftransformshift{\tikz@last@position}%
\pgfutil@in@{ and }{#1}%
\ifpgfutil@in@%
\tikz@@ellipseB(#1)%
\else%
\tikz@do@circle{#1}{#1}%
\fi%
}%
\tikz@scan@next@command%
}
\def\tikz@@ellipseB(#1 and #2){%
\tikz@do@circle{#1}{#2}
}
\def\tikz@do@circle#1#2{
\pgfmathparse{#1}%
\let\tikz@ellipse@x=\pgfmathresult%
\ifpgfmathunitsdeclared%
\pgfmathparse{#2}%
\let\tikz@ellipse@y=\pgfmathresult%
\ifpgfmathunitsdeclared%
\pgfpathellipse{\pgfpointorigin}{%
\pgfqpoint{\tikz@ellipse@x pt}{0pt}}{\pgfpoint{0pt}{\tikz@ellipse@y pt}}%
\else%
\PackageError{tikz}{You cannot mix dimensions and dimensionless values in an ellipse}{}%
\fi%
\else%
\pgfmathparse{#2}%
\let\tikz@ellipse@y=\pgfmathresult%
\ifpgfmathunitsdeclared%
\PackageError{tikz}{You cannot mix dimensions and dimensionless values in an ellipse}{}%
\else%
\pgfpathellipse{\pgfpointorigin}{%
\pgfpointxy{\tikz@ellipse@x}{0}}{\pgfpointxy{0}{\tikz@ellipse@y}}%
\fi%
\fi%
}
% Syntax 1 for arcs:
% arc (start angle:end angle:radius)
%
% Syntax 2 for arcs:
% arc (start angle:end angle:x-radius and y-radius)
%
% radius can be dimensionless, then the arc is in the xy-coordinate system
\def\tikz@arcA rc{\tikz@flush@moveto\tikz@arc@cont}%
\def\tikz@arc@cont{%
\pgfutil@ifnextchar(%)
{\tikz@@arcto}{%
\pgfutil@ifnextchar[%]
{\tikz@arc@opt}%
{%
\advance\tikz@expandcount by -10\relax% go down quickly
\ifnum\tikz@expandcount<0\relax%
\let\@next=\tikz@@arc@normal%
\else%
\let\@next=\tikz@@arc@scanexpand%
\fi%
\@next%
}%
}%
}
\def\tikz@@arc@scanexpand{\expandafter\tikz@arc@cont}
\def\tikz@@arc@normal{\tikz@arc@opt[]}
\def\tikz@arc@opt[#1]{%
{%
\tikzset{every arc/.try,#1}%
\pgfkeysgetvalue{/tikz/start angle}\tikz@s
\pgfkeysgetvalue{/tikz/end angle}\tikz@e
\pgfkeysgetvalue{/tikz/delta angle}\tikz@d
\ifx\tikz@s\pgfutil@empty%
\pgfmathsetmacro\tikz@s{\tikz@e-\tikz@d}
\else
\ifx\tikz@e\pgfutil@empty%
\pgfmathsetmacro\tikz@e{\tikz@s+\tikz@d}
\fi%
\fi
\tikz@do@arc{\tikz@s}{\tikz@e}
{\pgfkeysvalueof{/tikz/x radius}}
{\pgfkeysvalueof{/tikz/y radius}}
}%
\tikz@arcfinal%
}
\def\tikz@@arcto(#1){%
\edef\tikz@temp{(#1)}%
\expandafter\tikz@@@arcto@check@slashand\tikz@temp%
}
\def\tikz@@@arcto@check@slashand(#1:#2:#3){%
\pgfutil@in@{ and }{#3}%
\ifpgfutil@in@%
\tikz@parse@arc@and(#1:#2:#3)%
\else%
\tikz@parse@arc@and(#1:#2:{#3} and {#3})%
\fi%
\tikz@arcfinal%
}
\def\tikz@parse@arc@and(#1:#2:#3 and #4){%
\tikz@do@arc{#1}{#2}{#3}{#4}%
}
\def\tikz@do@arc#1#2#3#4{%
\pgfmathparse{#3}%
\let\tikz@arc@x=\pgfmathresult%
\ifpgfmathunitsdeclared%
\pgfmathparse{#4}%
\let\tikz@arc@y=\pgfmathresult%
\ifpgfmathunitsdeclared%
\tikz@@@arcfinal{\pgfpatharc{#1}{#2}{\tikz@arc@x pt and \tikz@arc@y pt}}
{\pgfpointpolar{#1}{\tikz@arc@x pt and \tikz@arc@y pt}}
{\pgfpointpolar{#2}{\tikz@arc@x pt and \tikz@arc@y pt}}%
\else%
\PackageError{tikz}{You cannot mix dimensions and dimensionless values in an arc}{}%
\fi%
\else%
\pgfmathparse{#4}%
\let\tikz@arc@y=\pgfmathresult%
\ifpgfmathunitsdeclared%
\PackageError{tikz}{You cannot mix dimensions and dimensionless values in an arc}{}%
\else%
\tikz@@@arcfinal{\pgfpatharcaxes{#1}{#2}{\pgfpointxy{\tikz@arc@x}{0}}{\pgfpointxy{0}{\tikz@arc@y}}}
{\pgfpointpolarxy{#1}{\tikz@arc@x and \tikz@arc@y}}{\pgfpointpolarxy{#2}{\tikz@arc@x and \tikz@arc@y}}%
\fi%
\fi%
}
\def\tikz@@@arcfinal#1#2#3{%
#1%
\pgf@process{#2}
\xdef\tikz@arc@save@first{\pgfqpoint{\the\pgf@x}{\the\pgf@y}}%
\pgf@process{#3}
\xdef\tikz@arc@save@second{\pgfqpoint{\the\pgf@x}{\the\pgf@y}}%
}
\def\tikz@arcfinal{%
\pgf@process{\tikz@arc@save@first}%
\advance\tikz@lastx by-\pgf@x%
\advance\tikz@lasty by-\pgf@y%
\pgf@process{\tikz@arc@save@second}%
\advance\tikz@lastx by\pgf@x%
\advance\tikz@lasty by\pgf@y%
\tikz@lastxsaved=\tikz@lastx%
\tikz@lastysaved=\tikz@lasty%
\tikz@scan@next@command%
}
% Syntax for coordinates:
% coordinate[options] (coordinate name) at (point)
% where ``at (point)'' is optional
\def\tikz@coordinate ordinate{%
\pgfutil@ifnextchar[{\tikz@@coordinate@opt}{\tikz@@coordinate@opt[]}}
\def\tikz@@coordinate@opt[#1]{%
\pgfutil@ifnextchar({\tikz@@coordinate[#1]}
{\tikz@fig ode[shape=coordinate,#1]{}}}%}
\def\tikz@@coordinate[#1](#2){%
\pgfutil@ifnextchar a{\tikz@@coordinate@at[#1](#2)}
{\tikz@fig ode[shape=coordinate,#1](#2){}}}
\def\tikz@@coordinate@at[#1](#2)a{%
\pgfutil@ifnextchar t{\tikz@@coordinate@@at[#1](#2)a}%
{\tikz@fig ode[shape=coordinate,#1](#2){}a}%
}
\def\tikz@@coordinate@@at[#1](#2)at#3({%
\def\tikz@coordinate@caller{\tikz@fig ode[shape=coordinate,#1](#2)at}%
\tikz@scan@one@point\tikz@@coordinate@at@math(%
}
\def\tikz@@coordinate@at@math#1{%
\pgf@process{#1}%
\edef\tikz@temp{(\the\pgf@x,\the\pgf@y)}%
\expandafter\tikz@coordinate@caller\tikz@temp{}%
}
% Syntax for nodes:
% node[options] (node name) {label text}
%
% all of [options], (node name) and {label text} are optional. There
% can be multiple options before the label text as in
% node[draw] (a) [rotate=10] {text}
%
% A label text always ``ends'' the node.
\def\tikz@fig ode{%
\edef\tikz@save@line@width{\the\pgflinewidth}%
\begingroup%
\let\tikz@fig@name=\pgfutil@empty%
\begingroup%
\tikz@is@matrixfalse%
\let\nodepart=\tikz@nodepart%
\let\tikz@do@after@node=\tikz@scan@next@command%
\let\tikz@options=\pgfutil@empty%
\let\tikz@after@path=\pgfutil@empty%
\let\tikz@transform=\pgfutil@empty%
\let\tikz@mode=\pgfutil@empty%
\tikz@decoratepathfalse%
\let\tikz@preactions=\pgfutil@empty%
\let\tikz@postactions=\pgfutil@empty%
\let\tikz@alias=\pgfutil@empty%
\def\tikz@node@at{\pgfqpoint{\the\tikz@lastx}{\the\tikz@lasty}}%
\iftikz@node@is@a@label%
\else%
\let\tikz@time=\pgfutil@empty%
\fi%
\tikz@node@reset@hook%
\tikzset{every node/.try}%
\tikz@@scan@fig}%
\def\tikz@@scan@fig{%
\pgfutil@ifnextchar a{\tikz@fig@scan@at}
{\pgfutil@ifnextchar({\tikz@fig@scan@name}
{\pgfutil@ifnextchar[{\tikz@fig@scan@options}%
{\pgfutil@ifnextchar\bgroup{\tikz@fig@main}%
{\PackageError{tikz}{A node must have a (possibly empty) label text}{}%
\tikz@fig@main{}}}}}}%}}
\def\tikz@fig@scan@at at{%
\tikz@scan@one@point\tikz@@fig@scan@at}
\def\tikz@@fig@scan@at#1{%
\def\tikz@node@at{#1}\tikz@@scan@fig}%
\def\tikz@fig@scan@name(#1){%
\pgfkeysvalueof{/tikz/name/.@cmd}#1\pgfeov% CF : this is now ALWAYS consistent with 'name=' option; allows overrides.
\tikz@@scan@fig}%
% make it \long to allow \par in "pin" options etc:
\long\def\tikz@fig@scan@options[#1]{\tikzset{#1}\tikz@@scan@fig}%
\let\tikz@node@reset@hook=\pgfutil@empty%
\let\tikz@node@begin@hook=\pgfutil@empty%
\def\tikz@fig@main{\afterassignment\tikz@@fig@main\let\next=}
\def\tikz@@fig@main{%
\pgfutil@ifundefined{pgf@sh@s@\tikz@shape}%
{\PackageError{tikz}%
{Unknown shape ``\tikz@shape.'' Using ``rectangle'' instead}{}%
\def\tikz@shape{rectangle}}%
{}%
\tikzset{every \tikz@shape\space node/.try}%
\tikz@node@begin@hook%
\iftikz@is@matrix%
\let\tikz@next=\tikz@do@matrix%
\else%
\let\tikz@next=\tikz@do@fig%
\fi%
\tikz@next%
}
\def\tikz@do@fig{%
\setbox\pgfnodeparttextbox=\hbox%
\bgroup%
\tikzset{every text node part/.try}%
\ifx\tikz@textopacity\pgfutil@empty%
\else%
\pgfsetfillopacity{\tikz@textopacity}%
\pgfsetstrokeopacity{\tikz@textopacity}%
\fi%
\pgfinterruptpicture%
\tikz@textfont%
\ifx\tikz@text@width\pgfutil@empty%
\else%
\begingroup%
\pgfmathsetlength{\pgf@x}{\tikz@text@width}%
\pgfutil@minipage[t]{\pgf@x}\leavevmode\hbox{}%
\tikz@text@action%
\fi%
\tikz@atbegin@node%
\bgroup%
\aftergroup\unskip%
\ifx\tikz@textcolor\pgfutil@empty%
\else%
\pgfutil@colorlet{.}{\tikz@textcolor}%
\fi%
\pgfsetcolor{.}%
\setbox\tikz@figbox=\box\pgfutil@voidb@x%
\tikz@uninstallcommands%
\aftergroup\tikz@fig@collectresetcolor%
\tikz@halign@check%
\ignorespaces%
}
\def\tikz@fig@collectresetcolor{%
\pgfutil@ifnextchar\reset@color%
{\reset@color\afterassignment\tikz@fig@collectresetcolor\let\tikz@temp=}%
{\tikz@fig@boxdone}%
}
\def\tikz@fig@boxdone{%
\tikz@atend@node%
\ifx\tikz@text@width\pgfutil@empty%
\else%
\pgfutil@endminipage%
\endgroup%
\fi%
\endpgfinterruptpicture%
\egroup%
\pgfutil@ifnextchar c{\tikz@fig@mustbenamed\tikz@fig@continue}%
{\pgfutil@ifnextchar[{\tikz@fig@mustbenamed\tikz@fig@continue}%
{\pgfutil@ifnextchar t{\tikz@fig@mustbenamed\tikz@fig@continue}
{\pgfutil@ifnextchar e{\tikz@fig@mustbenamed\tikz@fig@continue}
{\ifx\tikz@after@path\pgfutil@empty\expandafter\tikz@fig@continue\else\expandafter\tikz@fig@mustbenamed\expandafter\tikz@fig@continue\fi}}}}}%}
\def\tikz@do@matrix{%
\tikzset{every matrix/.try}%
\tikz@node@transformations%
\tikz@fig@mustbenamed%
\setbox\tikz@figbox=\hbox\bgroup%
\setbox\pgfutil@tempboxa=\copy\tikz@figbox%
\unhbox\pgfutil@tempboxa%
\hbox\bgroup\bgroup%
\pgfinterruptpath%
\pgfscope%
\tikz@options%
\setbox\tikz@figbox=\box\pgfutil@voidb@x%
\let\tikzmatrixname=\tikz@fig@name%
\edef\tikz@m@anchor{\ifx\tikz@matrix@anchor\pgfutil@empty\tikz@anchor\else\tikz@matrix@anchor\fi}%
\expandafter\pgfutil@in@\expandafter{\expandafter.\expandafter}\expandafter{\tikz@m@anchor}%
\ifpgfutil@in@%
\expandafter\tikz@matrix@split\tikz@m@anchor\relax%
\else%
\def\tikz@matrix@shift{\pgfpointorigin}%
\fi%
\let\tikz@transform=\relax%
\pgfmatrix%
{\tikz@shape}%
{\tikz@m@anchor}%
{\tikz@fig@name}%
{%
\pgfutil@tempdima=\pgflinewidth%
{\begingroup\tikz@finish}%
\global\pgflinewidth=\pgfutil@tempdima%
}%
{\tikz@matrix@shift}%
{%
\tikz@matrix@make@active@ampersand%
\def\pgfmatrixbegincode{%
\pgfsys@beginscope%
\tikz@common@matrix@code%
\tikz@atbegin@cell%
}%
\def\tikz@common@matrix@code{%
\let\tikz@options=\pgfutil@empty%
\let\tikz@mode=\pgfutil@empty%
\tikzset{every cell/.try={\the\pgfmatrixcurrentrow}{\the\pgfmatrixcurrentcolumn}}%
\tikzset{column \the\pgfmatrixcurrentcolumn/.try}%
\ifodd\pgfmatrixcurrentcolumn%
\tikzset{every odd column/.try}%
\else%
\tikzset{every even column/.try}%
\fi%
\tikzset{row \the\pgfmatrixcurrentrow/.try}%
\ifodd\pgfmatrixcurrentrow%
\tikzset{every odd row/.try}%
\else%
\tikzset{every even row/.try}%
\fi%
\tikzset{row \the\pgfmatrixcurrentrow\space column \the\pgfmatrixcurrentcolumn/.try}%
\tikz@options%
}%
\def\pgfmatrixendcode{%
\tikz@atend@cell%
\pgfsys@endscope%
}%
\def\pgfmatrixemptycode{%
\pgfsys@beginscope%
\tikz@common@matrix@code%
\tikz@at@emptycell%
\pgfsys@endscope%
}%
\aftergroup\tikz@do@matrix@cont}%
\bgroup%
}
\def\tikz@do@matrix@cont{%
\endpgfscope
\endpgfinterruptpath%
\egroup\egroup%
\egroup%
%
\tikz@node@finish%
}
{%
\catcode`\&=13
\gdef\tikz@matrix@make@active@ampersand{%
\ifx\tikz@ampersand@replacement\pgfutil@empty%
\catcode`\&=13%
\let&=\pgfmatrixnextcell%
\else%
\expandafter\let\tikz@ampersand@replacement=\pgfmatrixnextcell%
\fi%
}%
}%
\def\tikz@matrix@split#1.#2\relax{%
\def\tikz@m@anchor{text}%
\def\tikz@matrix@shift{\pgfpointanchor{#1}{#2}}%
}
\def\tikz@fig@continue{%
\ifx\tikz@text@width\pgfutil@empty%
\else%
\pgfmathsetlength{\pgf@x}{\tikz@text@width}%
\wd\pgfnodeparttextbox=\pgf@x%
\fi%
\ifx\tikz@text@height\pgfutil@empty%
\else%
\pgfmathsetlength{\pgf@x}{\tikz@text@height}%
\ht\pgfnodeparttextbox=\pgf@x%
\fi%
\ifx\tikz@text@depth\pgfutil@empty%
\else%
\pgfmathsetlength{\pgf@x}{\tikz@text@depth}%
\dp\pgfnodeparttextbox=\pgf@x%
\fi%
%
% Node transformation
%
\tikz@node@transformations
%
\setbox\tikz@figbox=\hbox{%
\setbox\pgfutil@tempboxa=\copy\tikz@figbox%
\unhbox\pgfutil@tempboxa%
\hbox{{%
\pgfinterruptpath%
\pgfscope%
\tikz@options%
\setbox\tikz@figbox=\box\pgfutil@voidb@x%
\pgfmultipartnode{\tikz@shape}{\tikz@anchor}{\tikz@fig@name}{%
\pgfutil@tempdima=\pgflinewidth%
{\begingroup\tikz@finish}%
\global\pgflinewidth=\pgfutil@tempdima%
}%
\endpgfscope
\endpgfinterruptpath%
}}%
}%
%
\tikz@alias%
\tikz@node@finish%
}
\def\tikz@fig@mustbenamed{%
\ifx\tikz@fig@name\pgfutil@empty%
% Assign a dummy name
\global\advance\tikz@fig@count by1\relax
\edef\tikz@fig@name{tikz@f@\the\tikz@fig@count}%
\fi%
}
\def\tikz@node@transformations{
%
% Possibly, we are ``online''
%
\ifx\tikz@time\pgfutil@empty%
\pgftransformshift{\tikz@node@at}%
\iftikz@fullytransformed%
\else%
\pgftransformresetnontranslations%
\fi%
\else%
\tikz@do@auto@anchor%
\tikz@timer%
\fi%
% Invoke local transformations
\tikz@transform%
}
\def\tikz@node@finish{%
\global\let\tikz@last@fig@name=\tikz@fig@name%
\global\let\tikz@after@path@smuggle=\tikz@after@path%
% shift box outside group
\global\setbox\tikz@tempbox=\copy\tikz@figbox%
\endgroup\endgroup%
\setbox\tikz@figbox=\box\tikz@tempbox%
\pgflinewidth=\tikz@save@line@width%
\let\tikz@to@last@fig@name=\tikz@last@fig@name%
\let\tikz@to@use@whom=\tikz@to@use@last@fig@name%
\let\tikzlastnode=\tikz@last@fig@name%
\ifx\tikz@after@path@smuggle\pgfutil@empty%
\else%
\tikz@scan@next@command{\tikz@after@path@smuggle}\pgf@stop%
\fi%
\tikz@do@after@node%
}
\let\tikz@fig@continue@orig=\tikz@fig@continue
\def\tikz@do@after@node{\tikz@scan@next@command}
\newif\iftikz@do@align
% Alignment handling
\def\tikz@halign@check{%
\tikz@do@alignfalse
\ifx\tikz@text@width\pgfutil@empty%
\pgfkeysgetvalue{/tikz/node halign header}\tikz@align@header%
\ifx\tikz@align@header\pgfutil@empty%
\else%
\tikz@do@aligntrue%
\fi%
\fi%
\iftikz@do@align%
% Bingo
\setbox\tikz@align@aligned@box=\box\pgfutil@voidb@x% void
\let\\=\tikz@align@newline%
\expandafter\tikz@start@align%
\fi%
}
\def\tikz@align@newline{\unskip\pgfutil@ifnextchar[\tikz@@align@newline{\tikz@@align@newline[0pt]}}%}
\def\tikz@@align@newline[#1]{\egroup\tikz@align@continue\pgfmathparse{#1}\let\tikz@align@temp=\pgfmathresult\tikz@start@align}%
% Two safe boxes for alignment:
\let\tikz@align@aligned@box=\pgfnodeparttextbox
\let\tikz@align@line@box=\tikz@figbox
\def\tikz@start@align{%
% Start collecting text:
\setbox\tikz@align@line@box=\hbox\bgroup\bgroup%
\aftergroup\tikz@align@collectresetcolor\ignorespaces%
}
\def\tikz@align@collectresetcolor{%
\pgfutil@ifnextchar\reset@color%
{\reset@color\afterassignment\tikz@align@collectresetcolor\let\tikz@temp=}%
{\tikz@align@end@check}%
}
\def\tikz@align@end@check{%
\egroup%
\ifvoid\tikz@align@aligned@box%
\setbox\tikz@align@aligned@box=\box\tikz@align@line@box%
\else%
\setbox\tikz@align@aligned@box=\vbox{%
\expandafter\expandafter\expandafter\halign\expandafter\expandafter\expandafter{\tikz@align@header%
\box\tikz@align@aligned@box\cr%
\noalign{\vskip\tikz@align@temp pt}%
\unhbox\tikz@align@line@box\unskip\cr}}%
\fi%
\pgfutil@ifnextchar\tikz@align@continue{}
{%
% Main continue
\box\tikz@align@aligned@box%
\egroup%
}%
}
\def\tikz@align@continue{\tikz@@align@continue}
\let\tikz@@align@continue=\pgfutil@empty
% Syntax for parts of nodes:
% node ... {... \nodepart[options]{name} ... \nodepart{name} ...}
\def\tikz@nodepart{\pgfutil@ifnextchar[\tikz@@nodepart{\tikz@@nodepart[]}}%}
\def\tikz@@nodepart[#1]#2{%
\tikz@atend@node%
\unskip%
\gdef\tikz@nodepart@options{#1}%
\gdef\tikz@nodepart@name{#2}%
\global\let\tikz@fig@continue=\tikz@nodepart@continue%
\pgfutil@ifnextchar x{\egroup\relax}{\egroup\relax}% gobble spaces
}
\def\tikz@nodepart@continue{%
\global\let\tikz@fig@continue=\tikz@fig@continue@orig%
% Now start new box:
\expandafter\setbox\csname pgfnodepart\tikz@nodepart@name box\endcsname=\hbox%
\bgroup%
\tikzset{every \tikz@nodepart@name\space node part/.try}%
\expandafter\tikzset\expandafter{\tikz@nodepart@options}%
\pgfinterruptpicture%
\tikz@textfont%
\ifx\tikz@text@width\pgfutil@empty%
\else%
\begingroup%
\pgfmathsetlength{\pgf@x}{\tikz@text@width}%
\pgfutil@minipage[t]{\pgf@x}\leavevmode\hbox{}%
\tikz@text@action%
\fi%
\bgroup%
\aftergroup\unskip%
\ifx\tikz@textcolor\pgfutil@empty%
\else%
\pgfutil@colorlet{.}{\tikz@textcolor}%
\fi%
\pgfsetcolor{.}%
\setbox\tikz@figbox=\box\pgfutil@voidb@x%
\tikz@uninstallcommands%
\tikz@atbegin@node%
\aftergroup\tikz@fig@collectresetcolor%
\tikz@halign@check%
\ignorespaces%
}
%
% "late" options can be used to "redo" a node
%
\tikzset{late options/.code=\tikz@late@options{#1}}
\def\tikz@late@options#1{%
% Do a "virtual" node:
\begingroup%
\iftikz@shapeborder%
\let\tikz@fig@name=\tikz@shapeborder@name%
\else%
\let\tikz@fig@name=\pgfutil@empty%
\fi%
\tikz@is@matrixfalse%
\let\tikz@options=\pgfutil@empty%
\let\tikz@after@path=\pgfutil@empty%
\let\tikz@afternodepathoptions=\pgfutil@empty%
\let\tikz@alias=\pgfutil@empty%
\let\tikz@transform=\pgfutil@empty%
\tikz@decoratepathfalse%
\tikz@node@reset@hook%
\tikzset{every node/.try,#1}%
\ifx\tikz@fig@name\pgfutil@empty%
\PackageError{tikz}{Late options must reference some existing
node}{}%
\fi%
\tikz@node@begin@hook%
\tikz@alias%
\global\let\tikz@last@fig@name=\tikz@fig@name%
\global\let\tikz@after@path@smuggle=\tikz@after@path%
\endgroup%
\let\tikz@to@last@fig@name=\tikz@last@fig@name%
\let\tikz@to@use@whom=\tikz@to@use@last@fig@name%
\let\tikzlastnode=\tikz@last@fig@name%
\ifx\tikz@after@path@smuggle\pgfutil@empty%
\else%
\tikz@scan@next@command{\tikz@after@path@smuggle}\pgf@stop%
\fi%
}
% Auto placement
\def\tikz@auto@pre{%
\begingroup
\pgfresetnontranslationattimefalse
\pgfslopedattimetrue%
\pgfallowupsidedownattimetrue%
\tikz@timer%
\pgf@x=\pgf@pt@aa pt%
\pgf@y=\pgf@pt@ab pt%
\pgfpointnormalised{}%
}
\def\tikz@auto@post{%
\global\let\tikz@anchor@smuggle=\tikz@anchor%
\endgroup%
\let\tikz@anchor=\tikz@anchor@smuggle%
}
\def\tikz@auto@anchor{%
\ifdim\pgf@x>0.05pt%
\ifdim\pgf@y>0.05pt%
\def\tikz@anchor{south east}%
\else\ifdim\pgf@y<-0.05pt%
\def\tikz@anchor{south west}%
\else
\def\tikz@anchor{south}%
\fi\fi%
\else\ifdim\pgf@x<-0.05pt%
\ifdim\pgf@y>0.05pt%
\def\tikz@anchor{north east}%
\else\ifdim\pgf@y<-0.05pt%
\def\tikz@anchor{north west}%
\else
\def\tikz@anchor{north}%
\fi\fi%
\else%
\ifdim\pgf@y>0pt%
\def\tikz@anchor{east}%
\else%
\def\tikz@anchor{west}%
\fi%
\fi\fi%
}
\def\tikz@auto@anchor@prime{%
\ifdim\pgf@x>0.05pt%
\ifdim\pgf@y>0.05pt%
\def\tikz@anchor{north west}%
\else\ifdim\pgf@y<-0.05pt%
\def\tikz@anchor{north east}%
\else
\def\tikz@anchor{north}%
\fi\fi%
\else\ifdim\pgf@x<-0.05pt%
\ifdim\pgf@y>0.05pt%
\def\tikz@anchor{south west}%
\else\ifdim\pgf@y<-0.05pt%
\def\tikz@anchor{south east}%
\else
\def\tikz@anchor{south}%
\fi\fi%
\else%
\ifdim\pgf@y>0pt%
\def\tikz@anchor{west}%
\else%
\def\tikz@anchor{east}%
\fi%
\fi\fi%
}
% Syntax for trees:
% node {...} child [options] {...} child [options] {...} ...
% node {...} child [options] foreach \var in {list} [options] {...} ...
\def\tikz@children{%
% Start collecting the children:
\let\tikz@children@list=\pgfutil@empty%
\tikznumberofchildren=0\relax%
\tikz@collect@children c}
\def\tikz@collect@children{\pgfutil@ifnextchar c{\tikz@collect@children@cchar}{\tikz@children@collected}}
\def\tikz@collect@children@cchar c{\pgfutil@ifnextchar h{\tikz@collect@child}{\tikz@children@collected c}}
\def\tikz@collect@child hild{\pgfutil@ifnextchar[{\tikz@collect@childA}{\tikz@collect@childA[]}}%}
\def\tikz@collect@childA[#1]{\pgfutil@ifnextchar f{\tikz@collect@children@foreach[#1]}{\tikz@collect@childB[#1]}}
\def\tikz@collect@childB[#1]{%
\advance\tikznumberofchildren by1\relax
\expandafter\def\expandafter\tikz@children@list\expandafter{\tikz@children@list \tikz@childnode[#1]}%
\pgfutil@ifnextchar\bgroup{\tikz@collect@child@code}{\tikz@collect@child@code{}}}
\def\tikz@collect@child@code#1{%
\expandafter\def\expandafter\tikz@children@list\expandafter{\tikz@children@list{#1}}%
\tikz@collect@children%
}
\def\tikz@collect@children@foreach[#1]foreach#2in#3{%
\pgfutil@ifnextchar\bgroup{\tikz@collect@children@foreachA{#1}{#2}{#3}}{\tikz@collect@children@foreachA{#1}{#2}{#3}{}}}
\def\tikz@collect@children@foreachA#1#2#3#4{%
\expandafter\def\expandafter\tikz@children@list\expandafter
{\tikz@children@list\tikz@childrennodes[#1]{#2}{#3}{#4}}%
\c@pgf@counta=\tikznumberofchildren%
\foreach#2in{#3}%
{%
\global\advance\c@pgf@counta by1\relax%
}%
\tikznumberofchildren=\c@pgf@counta%
\tikz@collect@children%
}
\long\def\tikz@children@collected{%
\begingroup%
\advance\tikztreelevel by 1\relax%
\let\tikz@options=\pgfutil@empty%
\let\tikz@transform=\pgfutil@empty%
\tikzset{level/.try=\the\tikztreelevel,level \the\tikztreelevel/.try}%
\tikz@transform%
\let\tikzparentnode=\tikz@last@fig@name%
% Transform to center of node
\pgftransformshift{\pgfpointanchor{\tikzparentnode}{\tikz@growth@anchor}}%
\tikznumberofcurrentchild=0\relax%
\tikz@children@list%
\global\setbox\tikz@tempbox=\copy\tikz@figbox%
\endgroup%
\setbox\tikz@figbox=\box\tikz@tempbox%
\tikz@scan@next@command%
}
% Syntax for children:
%
% child [all children options] foreach \var in {values} [child options] {...}
\def\tikz@childrennodes[#1]#2#3#4{%
\c@pgf@counta=\tikznumberofcurrentchild\relax%
\setbox\tikz@tempbox=\box\tikz@figbox%
\foreach#2in{#3}{%
\tikznumberofcurrentchild=\c@pgf@counta\relax%
\setbox\tikz@figbox=\box\tikz@tempbox%
\tikz@childnode[#1]{#4}%
% we must now make the current child number and the figbox survive
% the group
\global\c@pgf@counta=\tikznumberofcurrentchild\relax%
\global\setbox\tikz@tempbox=\box\tikz@figbox%
}%
\tikznumberofcurrentchild=\c@pgf@counta\relax%
\setbox\tikz@figbox=\box\tikz@tempbox%
}
% Syntax for child:
%
% child
%
% child[options]
%
% child[options] {node (name) {child node text} ...
% edge from parent[options] node {label text} node {label text}}
\def\tikz@childnode[#1]#2{%
\advance\tikznumberofcurrentchild by1\relax%
{\tikzset{every child/.try,#1}\expandafter}%
\iftikz@child@missing%
\else%
\setbox\tikz@figbox=\hbox\bgroup%
\unhbox\tikz@figbox%
\hbox\bgroup\bgroup%
\pgfinterruptpath%
\pgfscope%
\let\tikz@transform=\pgfutil@empty%
\tikzset{every child/.try,#1}%
\tikz@options%
\tikz@transform%
\tikz@grow%
% Typeset node:
\edef\tikz@parent@node@name{[name=\tikzparentnode-\the\tikznumberofcurrentchild,style=every child node]}%
\def\tikz@child@node@text{[shape=coordinate]{}}
\tikz@parse@child@node#2\pgf@stop%
\expandafter\expandafter\expandafter\node
\expandafter\tikz@parent@node@name
\tikz@child@node@text
\pgfextra{\global\let\tikz@childnode@name=\tikz@last@fig@name};%
\let\tikzchildnode=\tikz@childnode@name%
{%
\def\tikz@edge@to@parent@needed{edge from parent}
\ifx\tikz@child@node@rest\pgfutil@empty%
\path edge from parent;%
\else%
\path (0,0) \tikz@child@node@rest \tikz@edge@to@parent@needed;%
\fi%
}%
\endpgfscope%
\endpgfinterruptpath%
\egroup\egroup%
\egroup%
\fi%
}
\def\tikz@parse@child@node{%
\pgfutil@ifnextchar n{\tikz@parse@child@node@n}%
{\pgfutil@ifnextchar c{\tikz@parse@child@node@c}%
{\tikz@parse@child@node@rest}}}
\def\tikz@parse@child@node@rest#1\pgf@stop{\def\tikz@child@node@rest{#1}}
\def\tikz@parse@child@node@c c{\pgfutil@ifnextchar o{\tikz@parse@child@node@co}{\tikz@parse@child@node@rest c}}
\def\tikz@parse@child@node@co o{\pgfutil@ifnextchar o{\tikz@parse@child@node@coordinate}{\tikz@parse@child@node@rest co}}
\def\tikz@parse@child@node@coordinate ordinate{%
\pgfutil@ifnextchar ({\tikz@@parse@child@node@coordinate}{%
\def\tikz@child@node@text{[shape=coordinate]{}}%
\tikz@parse@child@node@rest}}%}
\def\tikz@@parse@child@node@coordinate(#1){%
\pgfutil@ifnextchar a{\tikz@p@c@n@c@at(#1)}{%
\def\tikz@child@node@text{[shape=coordinate,name=#1]{}}%
\tikz@parse@child@node@rest}}
\def\tikz@p@c@n@c@at(#1)at#2({%
\def\tikz@child@node@text@pre{[shape=coordinate,name=#1]at}%
\tikz@scan@one@point\tikz@p@c@n@c@at@math(%
}
\def\tikz@p@c@n@c@at@math#1{%
\pgf@process{#1}%
\edef\tikz@marshal{(\the\pgf@x,\the\pgf@y){}}%
\expandafter\expandafter\expandafter\def%
\expandafter\expandafter\expandafter\tikz@child@node@text%
\expandafter\expandafter\expandafter{\expandafter\tikz@child@node@text@pre\tikz@marshal}%
\tikz@parse@child@node@rest%
}
\def\tikz@parse@child@node@n node{%
\let\tikz@child@node@text=\pgfutil@empty%
\tikz@p@c@s}%
\def\tikz@p@c@s{%
\pgfutil@ifnextchar a{\tikz@p@c@s@at}
{\pgfutil@ifnextchar ({\tikz@p@c@s@paran}
{\pgfutil@ifnextchar [{\tikz@p@c@s@bra}
{\pgfutil@ifnextchar \bgroup{\tikz@p@c@s@group}
{\PackageError{tikz}{Cannot parse this node}{}}}}}}%}}
\def\tikz@p@c@s@at at#1({%
\tikz@scan@one@point\tikz@p@c@s@at@math(%
}
\def\tikz@p@c@s@at@math#1{%
\pgf@process{#1}%
\edef\tikz@marshal{ at(\the\pgf@x,\the\pgf@y)}%
\expandafter\expandafter\expandafter\def%
\expandafter\expandafter\expandafter\tikz@child@node@text%
\expandafter\expandafter\expandafter{\expandafter\tikz@child@node@text\tikz@marshal}
\tikz@p@c@s}
\def\tikz@p@c@s@paran(#1){%
\expandafter\def\expandafter\tikz@child@node@text\expandafter{\tikz@child@node@text(#1)}
\tikz@p@c@s}
\def\tikz@p@c@s@bra[#1]{%
\expandafter\def\expandafter\tikz@child@node@text\expandafter{\tikz@child@node@text[#1]}
\tikz@p@c@s}
\def\tikz@p@c@s@group#1{%
\expandafter\def\expandafter\tikz@child@node@text\expandafter{\tikz@child@node@text{#1}}
\tikz@parse@child@node@rest}
%
% Syntax for decorated subpaths:
%
% decorate [option] { subpath }
%
\def\tikz@decoration ecorate{%
\pgfutil@ifnextchar[{\tikz@lib@decoration}{\tikz@lib@decoration[]}%]
}
\def\tikz@lib@decoration[#1]#2{\PackageError{tikz}{You need to load a decoration library}{}}
% The decorate path command:
\def\tikz@lib@dec@decorate@path{\PackageError{tikz}{You need to load a decoration library}{}}
%
% Syntax for let :
%
% let \p1 = (coordinate), \p2 = (coordinate),... in
%
\def\tikz@let@command et#1in{%
\PackageError{tikz}{You need to say \string\usetikzlibrary{calc} to use the let command}{}%
}
%
% Timers
%
\def\tikz@timer@line{%
\pgftransformlineattime{\tikz@time}{\tikz@timer@start}{\tikz@timer@end}%
}
\def\tikz@timer@vhline{%
\ifdim\tikz@time pt<0.5pt% first half
\pgf@process{\tikz@timer@start}%
\pgf@xa=\pgf@x%
\pgf@ya=\pgf@y%
\pgf@process{\tikz@timer@end}%
\pgf@xb=\tikz@time pt%
\pgf@xb=2\pgf@xb%
\edef\tikz@marshal{\noexpand\pgftransformlineattime{\pgf@sys@tonumber{\pgf@xb}}{\noexpand\tikz@timer@start}{%
\noexpand\pgfqpoint{\the\pgf@xa}{\the\pgf@y}}}%
\tikz@marshal%
\else% second half
\pgf@process{\tikz@timer@start}%
\pgf@xa=\pgf@x%
\pgf@ya=\pgf@y%
\pgf@process{\tikz@timer@end}%
\pgf@xb=\tikz@time pt%
\pgf@xb=2\pgf@xb%
\advance\pgf@xb by-1pt%
\edef\tikz@marshal{\noexpand\pgftransformlineattime{\pgf@sys@tonumber{\pgf@xb}}%
{\noexpand\pgfqpoint{\the\pgf@xa}{\the\pgf@y}}{\noexpand\tikz@timer@end}}%
\tikz@marshal%
\fi%
}
\def\tikz@timer@hvline{%
\ifdim\tikz@time pt<0.5pt% first half
\pgf@process{\tikz@timer@start}%
\pgf@xa=\pgf@x%
\pgf@ya=\pgf@y%
\pgf@process{\tikz@timer@end}%
\pgf@xb=\tikz@time pt%
\pgf@xb=2\pgf@xb%
\edef\tikz@marshal{\noexpand\pgftransformlineattime{\pgf@sys@tonumber{\pgf@xb}}{\noexpand\tikz@timer@start}{%
\noexpand\pgfqpoint{\the\pgf@x}{\the\pgf@ya}}}%
\tikz@marshal%
\else% second half
\pgf@process{\tikz@timer@start}%
\pgf@xa=\pgf@x%
\pgf@ya=\pgf@y%
\pgf@process{\tikz@timer@end}%
\pgf@xb=\tikz@time pt%
\pgf@xb=2\pgf@xb%
\advance\pgf@xb by-1pt%
\edef\tikz@marshal{\noexpand\pgftransformlineattime{\pgf@sys@tonumber{\pgf@xb}}%
{\noexpand\pgfqpoint{\the\pgf@x}{\the\pgf@ya}}{\noexpand\tikz@timer@end}}%
\tikz@marshal%
\fi%
}
\def\tikz@timer@curve{%
\pgftransformcurveattime{\tikz@time}{\tikz@timer@start}{\tikz@timer@cont@one}{\tikz@timer@cont@two}{\tikz@timer@end}%
}
%
% Coordinate systems
%
\def\tikzdeclarecoordinatesystem#1#2{%
\expandafter\def\csname tikz@parse@cs@#1\endcsname(##1){%
\pgf@process{%
#2%
\global\let\tikz@smubble@b=\tikz@shapeborder@name%
}%
\let\tikz@shapeborder@name=\tikz@smubble@b%
\edef\tikz@return@coordinate{\noexpand\pgfqpoint{\the\pgf@x}{\the\pgf@y}}}%
}
\def\tikzaliascoordinatesystem#1#2{%
\edef\pgf@marshal{\noexpand\let\expandafter\noexpand\csname
tikz@parse@cs@#1\endcsname=\expandafter\noexpand\csname
tikz@parse@cs@#2\endcsname}%
\pgf@marshal%
}
% Default coodinate systems:
\tikzdeclarecoordinatesystem{canvas}
{%
\tikzset{cs/.cd,x=0pt,y=0pt,#1}%
\pgfpoint{\tikz@cs@x}{\tikz@cs@y}%
}
\tikzdeclarecoordinatesystem{canvas polar}
{%
\tikzset{cs/.cd,angle=0,radius=0cm,#1}%
\pgfpointpolar{\tikz@cs@angle}{\tikz@cs@xradius and \tikz@cs@yradius}%
}
\tikzdeclarecoordinatesystem{xyz}
{%
\tikzset{cs/.cd,x=0,y=0,z=0,#1}%
\pgfpointxyz{\tikz@cs@x}{\tikz@cs@y}{\tikz@cs@z}%
}
\tikzdeclarecoordinatesystem{xyz polar}
{%
\tikzset{cs/.cd,angle=0,radius=0,#1}%
\pgfpointpolarxy{\tikz@cs@angle}{\tikz@cs@xradius and \tikz@cs@yradius}%
}
\tikzaliascoordinatesystem{xy polar}{xyz polar}
\tikzdeclarecoordinatesystem{node}
{%
\tikzset{cs/.cd,name=,anchor=none,angle=none,#1}%
\ifx\tikz@cs@anchor\tikz@nonetext%
\ifx\tikz@cs@angle\tikz@nonetext%
\expandafter\ifx\csname pgf@sh@ns@\tikz@cs@node\endcsname\tikz@coordinate@text%
\else
\aftergroup\tikz@shapebordertrue%
\edef\tikz@shapeborder@name{\tikz@cs@node}%
\fi%
\pgfpointanchor{\tikz@cs@node}{center}%
\else%
\pgfpointanchor{\tikz@cs@node}{\tikz@cs@angle}%
\fi%
\else%
\pgfpointanchor{\tikz@cs@node}{\tikz@cs@anchor}%
\fi%
}
% Intersection coordinates
\tikzset{cs/first line/.code=\def\tikz@cs@line@a{#1}\def\tikz@cs@type@a{line}}
\tikzset{cs/second line/.code=\def\tikz@cs@line@b{#1}\def\tikz@cs@type@b{line}}
\tikzset{cs/first node/.code=\tikz@cs@unpack{\tikz@cs@node@a}{\tikz@cs@type@a}{#1}}
\tikzset{cs/second node/.code=\tikz@cs@unpack{\tikz@cs@node@b}{\tikz@cs@type@b}{#1}}
\def\tikz@cs@unpack#1#2#3{%
\expandafter\ifx\csname pgf@sh@ns@#3\endcsname\relax%
\PackageError{tikz}{Undefined node ``#3''}{}%
\else%
\def#1{#3}%
\edef#2{\csname pgf@sh@ns@#3\endcsname}%
\fi%
}
\tikzset{cs/solution/.initial=1}
\tikzset{cs/horizontal line through/.store in=\tikz@cs@hori@line}
\tikzset{cs/vertical line through/.store in=\tikz@cs@vert@line}
\tikzdeclarecoordinatesystem{intersection}
{%
\tikzset{cs/.cd,#1}%
\expandafter\ifx\csname tikz@intersect@\tikz@cs@type@a @and@\tikz@cs@type@b\endcsname\relax%
\PackageError{tikz}{I do not know how to compute the intersection
of a \tikz@cs@type@a and a \tikz@cs@type@b. Try saying
\string\usetikzlibrary{calc}}{}%
\pgfpointorigin%
\else%
\csname tikz@intersect@\tikz@cs@type@a @and@\tikz@cs@type@b\endcsname%
\fi%
}
\def\tikz@intersect@line@and@line{%
\expandafter\tikz@scan@one@point\expandafter\tikz@parse@line\tikz@cs@line@a%
\pgf@xa=\pgf@xc%
\pgf@ya=\pgf@yc%
\pgf@xb=\pgf@x%
\pgf@yb=\pgf@y%
\expandafter\tikz@scan@one@point\expandafter\tikz@parse@line\tikz@cs@line@b%
\edef\pgf@marshal{%
{\noexpand\pgfpointintersectionoflines%
{\noexpand\pgfqpoint{\the\pgf@xa}{\the\pgf@ya}}%
{\noexpand\pgfqpoint{\the\pgf@xb}{\the\pgf@yb}}%
{\noexpand\pgfqpoint{\the\pgf@xc}{\the\pgf@yc}}%
{\noexpand\pgfqpoint{\the\pgf@x}{\the\pgf@y}}}}%
\pgf@marshal%
}
\def\tikz@parse@line#1--{%
\pgf@process{#1}%
\pgf@xc=\pgf@x%
\pgf@yc=\pgf@y%
\tikz@scan@one@point\pgf@process%
}
\tikzdeclarecoordinatesystem{perpendicular}
{%
\tikzset{cs/.cd,#1}%
\expandafter\tikz@scan@one@point\expandafter\tikz@parse@intersection@a\tikz@cs@hori@line%
\expandafter\tikz@scan@one@point\expandafter\tikz@parse@intersection@b\tikz@cs@vert@line%
\pgfqpoint{\the\pgf@xb}{\the\pgf@ya}
}
\tikzdeclarecoordinatesystem{barycentric}
{%
{%
\pgf@xa=0pt% point
\pgf@ya=0pt%
\pgf@xb=0pt% sum
\tikz@bary@dolist#1,=,%
\pgfmathparse{1/\the\pgf@xb}%
\global\pgf@x=\pgfmathresult\pgf@xa%
\global\pgf@y=\pgfmathresult\pgf@ya%
}%
}
\def\tikz@bary@dolist#1=#2,{%
\def\tikz@temp{#1}%
\ifx\tikz@temp\pgfutil@empty%
\else
\pgf@process{\pgfpointanchor{#1}{center}}%
\pgfmathparse{#2}%
\advance\pgf@xa by\pgfmathresult\pgf@x%
\advance\pgf@ya by\pgfmathresult\pgf@y%
\advance\pgf@xb by\pgfmathresult pt%
\expandafter\tikz@bary@dolist%
\fi%
}
\tikzset{cs/x/.store in=\tikz@cs@x}
\tikzset{cs/y/.store in=\tikz@cs@y}
\tikzset{cs/z/.store in=\tikz@cs@z}
\tikzset{cs/angle/.store in=\tikz@cs@angle}
\tikzset{cs/x radius/.store in=\tikz@cs@xradius}
\tikzset{cs/y radius/.store in=\tikz@cs@yradius}
\tikzset{cs/radius/.style={/tikz/cs/x radius=#1,/tikz/cs/y radius=#1}}
\tikzset{cs/name/.store in=\tikz@cs@node}
\tikzset{cs/anchor/.store in=\tikz@cs@anchor}
%
% Coordinate management
%
% Last position visited
\def\tikz@last@position{\pgfqpoint{\tikz@lastx}{\tikz@lasty}}
\def\tikz@last@position@saved{\pgfqpoint{\tikz@lastxsaved}{\tikz@lastysaved}}
% Make given point the last position visited
\def\tikz@make@last@position#1{%
\pgf@process{#1}%
\tikz@lastx=\pgf@x\relax%
\tikz@lasty=\pgf@y\relax%
\iftikz@updatecurrent%
\tikz@lastxsaved=\pgf@x\relax%
\tikz@lastysaved=\pgf@y\relax%
\fi%
\tikz@updatecurrenttrue%
}
\newif\iftikz@updatecurrent
\tikz@updatecurrenttrue
% Scanner: Scans a point or a relative point.
% It then calls the first parameter with the argument set to an
% appropriate pgf command representing that point.
\def\tikz@scan@one@point#1{%
\let\tikz@to@use@whom=\tikz@to@use@last@coordinate%
\tikz@shapeborderfalse%
\pgfutil@ifnextchar+{\tikz@scan@relative#1}{\tikz@scan@absolute#1}}
\def\tikz@scan@absolute#1{%
\pgfutil@ifnextchar({\tikz@scan@@absolute#1}%)
{%
\advance\tikz@expandcount by -1%
\ifnum\tikz@expandcount<0\relax%
\let\@next=\tikz@@scangiveup%
\else%
\let\@next=\tikz@@scanexpand%
\fi%
\@next{#1}%
}%
}
\def\tikz@@scanexpand#1{\expandafter\tikz@scan@one@point\expandafter#1}
\def\tikz@@scangiveup#1{\PackageError{tikz}{Cannot parse this coordinate}{}#1{\pgfpointorigin}}
\def\tikz@scan@@absolute#1({%
\pgfutil@ifnextchar[% uhoh... options!
{\def\tikz@scan@point@recall{#1}\tikz@scan@options}%
{\tikz@@@scan@@absolute#1(}%
}
\def\tikz@scan@options[#1]#2{%
\def\tikz@scan@point@options{#1}%
\tikz@@@scan@@absolute\tikz@scan@handle@options(#2%
}
\def\tikz@scan@handle@options#1{%
{%
% Ok, compute point with options set and zero transformation
% matrix:
\pgftransformreset%
\let\tikz@transform=\pgfutil@empty%
\expandafter\tikzset\expandafter{\tikz@scan@point@options}%
\tikz@transform%
\pgf@process{\pgfpointtransformed{#1}}%
\xdef\tikz@marshal{\expandafter\noexpand\tikz@scan@point@recall{\noexpand\pgfqpoint{\the\pgf@x}{\the\pgf@y}}}%
}%
\tikz@marshal%
}
\def\tikz@@@scan@@absolute#1({%
\pgfutil@ifnextchar{$}%$
{\tikz@parse@calculator#1(}
{\tikz@scan@no@calculator#1(}%
}
\def\tikz@scan@no@calculator#1(#2){%
\edef\tikz@temp{(#2)}%
\expandafter\tikz@@scan@@no@calculator\expandafter#1\tikz@temp%
}
\def\tikz@@scan@@no@calculator#1(#2){%
\pgfutil@in@{cs:}{#2}%
\ifpgfutil@in@%
\let\@next\tikz@parse@coordinatesystem%
\else%
\pgfutil@in@{intersection }{#2}%
\ifpgfutil@in@%
\let\@next\tikz@parse@intersection%
\else%
\pgfutil@in@|{#2}%
\ifpgfutil@in@
\pgfutil@in@{-|}{#2}%
\ifpgfutil@in@
\let\@next\tikz@parse@hv%
\else%
\let\@next\tikz@parse@vh%
\fi%
\else%
\pgfutil@in@:{#2}%
\ifpgfutil@in@
\let\@next\tikz@parse@polar%
\else%
\pgfutil@in@,{#2}%
\ifpgfutil@in@%
\let\@next\tikz@parse@regular%
\else%
\let\@next\tikz@parse@node%
\fi%
\fi%
\fi%
\fi%
\fi%
\@next#1(#2)%
}
\def\tikz@parse@calculator#1($#2$){%
\PackageError{tikz}{You need to say \string\usetikzlibrary{calc} for
coordinate calculation}{}%
#1{\pgfpointorigin}%
}
\def\tikz@parse@coordinatesystem#1(#2 cs:#3){%
\let\tikz@return@coordinate=\pgfpointorigin%
\pgfutil@ifundefined{tikz@parse@cs@#2}
{\PackageError{tikz}{Unknown coordinate system '#2'}{}}
{\csname tikz@parse@cs@#2\endcsname(#3)}%
\expandafter#1\expandafter{\tikz@return@coordinate}%
}
\newif\iftikz@isdimension
\def\tikz@checkunit#1{%
\pgfmathparse{#1}%
\let\iftikz@isdimension=\ifpgfmathunitsdeclared%
}
\def\tikz@parse@polar#1(#2:#3){%
\pgfutil@ifundefined{tikz@polar@dir@#2}
{\tikz@@parse@polar#1(#2:#3)}
{\tikz@@parse@polar#1(\csname tikz@polar@dir@#2\endcsname:#3)}%
}
\def\tikz@@parse@polar#1(#2:#3){%
\pgfutil@in@{ and }{#3}%
\ifpgfutil@in@%
\edef\tikz@args{(#2:#3)}%
\else%
\edef\tikz@args{(#2:#3 and #3)}%
\fi%
\expandafter\tikz@@@parse@polar\expandafter#1\tikz@args%
}
\def\tikz@@@parse@polar#1(#2:#3 and #4){%
\tikz@checkunit{#3}%
\iftikz@isdimension%
\tikz@checkunit{#4}%
\iftikz@isdimension%
\def\tikz@next{#1{\pgfpointpolar{#2}{#3 and #4}}}%
\else%
\PackageError{tikz}{You cannot mix dimension and dimensionless values for polar coordinates}{}
\def\tikz@next{#1{\pgfpointorigin}}%
\fi%
\else%
\tikz@checkunit{#4}%
\iftikz@isdimension%
\PackageError{tikz}{You cannot mix dimension and dimensionless values for polar coordinates}{}
\def\tikz@next{#1{\pgfpointorigin}}%
\else%
\def\tikz@next{#1{\pgfpointpolarxy{#2}{#3 and #4}}}%
\fi%
\fi%
\tikz@next%
}
\def\tikz@polar@dir@up{90}
\def\tikz@polar@dir@down{-90}
\def\tikz@polar@dir@left{180}
\def\tikz@polar@dir@right{0}
\def\tikz@polar@dir@north{90}
\def\tikz@polar@dir@south{-90}
\def\tikz@polar@dir@east{0}
\def\tikz@polar@dir@west{180}
\expandafter\def\csname tikz@polar@dir@north east\endcsname{45}
\expandafter\def\csname tikz@polar@dir@north west\endcsname{135}
\expandafter\def\csname tikz@polar@dir@south east\endcsname{-45}
\expandafter\def\csname tikz@polar@dir@south west\endcsname{-135}
% MW:
% Check to see if the y-coordinate is inside {}. If it is, scan it and
% reinsert it into the stream inside an extra group.
%
% MW:
% Check to see if the y-coordinate is inside {}. If it is, scan it and
% reinsert it into the stream inside an extra group.
%
\def\tikz@parse@regular#1(#2,{%
\pgfutil@ifnextchar\bgroup{\tikz@@parse@regular#1{#2}}{\tikz@@@parse@regular#1{#2}}%
}
\def\tikz@@parse@regular#1#2#3{%
\pgfutil@ifnextchar[{% Uh oh! An array index.
\tikz@@@parse@regular#1{#2}{#3}}%
{\tikz@@@parse@regular#1{#2}{{#3}}}}
% Originally \def\tikz@parse@regular#1(#2,#3){%
%
\def\tikz@@@parse@regular#1#2#3){%
\pgfutil@in@,{#3}%
\ifpgfutil@in@%
\tikz@parse@splitxyz{#1}{#2}#3,%
\else%
\tikz@checkunit{#2}%
\iftikz@isdimension%
\tikz@checkunit{#3}%
\iftikz@isdimension%
\def\@next{#1{\pgfpoint{#2}{#3}}}%
\else%
\def\@next{#1{\pgfpointadd{\pgfpoint{#2}{0pt}}{\pgfpointxy{0}{#3}}}}%
\fi%
\else%
\tikz@checkunit{#3}%
\iftikz@isdimension%
\def\@next{#1{\pgfpointadd{\pgfpoint{0pt}{#3}}{\pgfpointxy{#2}{0}}}}%
\else%
\def\@next{#1{\pgfpointxy{#2}{#3}}}%
\fi%
\fi%
\fi%
\@next%
}
\def\tikz@parse@splitxyz#1#2#3,#4,{%
\def\@next{#1{\pgfpointxyz{#2}{#3}{#4}}}%
}
\def\tikz@coordinate@text{coordinate}
\def\tikz@parse@node#1(#2){%
\pgfutil@in@.{#2}% Ok, flag this
\ifpgfutil@in@
\tikz@calc@anchor#2\tikz@stop%
\else%
\tikz@calc@anchor#2.center\tikz@stop% to be on the save side, in
% case iftikz@shapeborder is ignored...
\expandafter\ifx\csname pgf@sh@ns@#2\endcsname\tikz@coordinate@text%
\else
\tikz@shapebordertrue%
\def\tikz@shapeborder@name{#2}%
\fi%
\fi%
\edef\tikz@marshal{\noexpand#1{\noexpand\pgfqpoint{\the\pgf@x}{\the\pgf@y}}}%
\tikz@marshal%
}
\def\tikz@calc@anchor#1.#2\tikz@stop{%
\pgfpointanchor{#1}{#2}%
}
\def\tikz@parse@hv#1(#2){%
\pgfutil@in@{ -| }{#2}%
\ifpgfutil@in@%
\let\tikz@next=\tikz@parse@hvboth%
\else%
\pgfutil@in@{ -|}{#2}%
\ifpgfutil@in@%
\let\tikz@next=\tikz@parse@hvleft%
\else%
\pgfutil@in@{-| }{#2}%
\ifpgfutil@in@%
\let\tikz@next=\tikz@parse@hvright%
\else%
\let\tikz@next=\tikz@parse@hvdone%
\fi%
\fi%
\fi%
\tikz@next#1(#2)}
\def\tikz@parse@hvboth#1(#2 -| #3){\tikz@parse@vhdone#1(#3|-#2)}
\def\tikz@parse@hvleft#1(#2 -|#3){\tikz@parse@vhdone#1(#3|-#2)}
\def\tikz@parse@hvright#1(#2-| #3){\tikz@parse@vhdone#1(#3|-#2)}
\def\tikz@parse@hvdone#1(#2-|#3){\tikz@parse@vhdone#1(#3|-#2)}
\def\tikz@parse@vh#1(#2){%
\pgfutil@in@{ |- }{#2}%
\ifpgfutil@in@%
\let\tikz@next=\tikz@parse@vhboth%
\else%
\pgfutil@in@{ |-}{#2}%
\ifpgfutil@in@%
\let\tikz@next=\tikz@parse@vhleft%
\else%
\pgfutil@in@{|- }{#2}%
\ifpgfutil@in@%
\let\tikz@next=\tikz@parse@vhright%
\else%
\let\tikz@next=\tikz@parse@vhdone%
\fi%
\fi%
\fi%
\tikz@next#1(#2)}
\def\tikz@parse@vhboth#1(#2 |- #3){\tikz@parse@vhdone#1(#2|-#3)}
\def\tikz@parse@vhleft#1(#2 |-#3){\tikz@parse@vhdone#1(#2|-#3)}
\def\tikz@parse@vhright#1(#2|- #3){\tikz@parse@vhdone#1(#2|-#3)}
\def\tikz@parse@vhdone#1(#2|-#3){%
{%
\tikz@@@scan@@absolute\tikz@parse@vh@mid(#2)%
\tikz@@@scan@@absolute\tikz@parse@vh@end(#3)%
\xdef\tikz@marshal{\noexpand#1{\noexpand\pgfqpoint{\the\pgf@xa}{\the\pgf@ya}}}%
}%
\tikz@marshal%
}
\def\tikz@parse@vh@mid#1{\pgf@process{#1}\pgf@xa=\pgf@x}
\def\tikz@parse@vh@end#1{\pgf@process{#1}\pgf@ya=\pgf@y}
\def\tikz@parse@intersection#1(intersection{%
\pgfutil@ifnextchar o{%
\tikz@parse@main@intersection#1 1%
}{%
\tikz@parse@main@intersection#1%
}%
}
\def\tikz@parse@main@intersection#1#2of #3 and #4){%
\tikzset{cs/solution=#2}%
\pgfutil@in@{--}{#3}%
\ifpgfutil@in@%
\tikz@reparse@line{first}#3\pgf@stop%
\else%
\tikzset{cs/first node=#3}%
\fi%
\pgfutil@in@{--}{#4}%
\ifpgfutil@in@%
\tikz@reparse@line{second}#4\pgf@stop%
\else%
\tikzset{cs/second node=#4}%
\fi%
\tikz@parse@cs@intersection()% advanced hackery...
\edef\pgf@marshal{\noexpand#1{\noexpand\pgfqpoint{\the\pgf@x}{\the\pgf@y}}}%
\pgf@marshal%
}
\def\tikz@reparse@line#1#2--#3\pgf@stop{%
\tikzset{cs/#1 line={(#2)--(#3)}}%
}
\def\tikz@parse@intersection@a#1{\pgf@process{#1}\pgf@xa=\pgf@x\pgf@ya=\pgf@y}
\def\tikz@parse@intersection@b#1{\pgf@process{#1}\pgf@xb=\pgf@x\pgf@yb=\pgf@y}
\def\tikz@scan@relative#1+{%
\pgfutil@ifnextchar+{\tikz@scan@plusplus#1}{\tikz@scan@oneplus#1}}
\def\tikz@scan@plusplus#1+{%
\def\tikz@doafter{#1}%
\tikz@scan@absolute\tikz@add%
}
\def\tikz@add#1{%
\tikz@doafter{\pgfpointadd{#1}{\tikz@last@position@saved}}%
}
\def\tikz@scan@oneplus#1{%
\def\tikz@doafter{#1}%
\tikz@updatecurrentfalse%
\tikz@scan@absolute\tikz@add%
}
% Loading further libraries
% Include a library file.
%
% #1 = List of names of library file.
%
% Description:
%
% This command includes a list of TikZ library files. For each file X in the
% list, the file tikzlibraryX.code.tex is included, provided this has
% not been done earlier.
%
% For the convenience of Context users, both round and square brackets
% are possible for the argument.
%
% Example:
%
% \usetikzlibrary{arrows}
% \usetikzlibrary[patterns,topaths]
\def\usetikzlibrary{\pgfutil@ifnextchar[{\use@tikzlibrary}{\use@@tikzlibrary}}%}
\def\use@tikzlibrary[#1]{\use@@tikzlibrary{#1}}
\def\use@@tikzlibrary#1{%
\edef\pgf@list{#1}%
\pgfutil@for\pgf@temp:=\pgf@list\do{%
\expandafter\pgfkeys@spdef\expandafter\pgf@temp\expandafter{\pgf@temp}%
\ifx\pgf@temp\pgfutil@empty
\else
\expandafter\ifx\csname tikz@library@\pgf@temp @loaded\endcsname\relax%
\expandafter\global\expandafter\let\csname tikz@library@\pgf@temp @loaded\endcsname=\pgfutil@empty%
\expandafter\edef\csname tikz@library@#1@atcode\endcsname{\the\catcode`\@}
\expandafter\edef\csname tikz@library@#1@barcode\endcsname{\the\catcode`\|}
\catcode`\@=11
\catcode`\|=12
\input tikzlibrary\pgf@temp.code.tex
\catcode`\@=\csname tikz@library@#1@atcode\endcsname
\catcode`\|=\csname tikz@library@#1@barcode\endcsname
\fi%
\fi
}%
}
% Always-present libraries:
\usetikzlibrary{topaths}
\endinput