% 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. \ProvidesFileRCS[v\pgfversion] $Header: /cvsroot/pgf/pgf/generic/pgf/frontendlayer/tikz/libraries/tikzlibrarypositioning.code.tex,v 1.5 2008/02/12 23:41:59 tantau Exp $ \tikzset{above/.code=\tikz@lib@place@handle@{#1}{south}{0}{1}{north}{1}} \tikzset{above left/.code=\tikz@lib@place@handle@{#1}{south east}{-1}{1}{north west}{0.707106781}} \tikzset{above right/.code=\tikz@lib@place@handle@{#1}{south west}{1}{1}{north east}{0.707106781}} \tikzset{base left/.code =\tikz@lib@place@handle@{#1}{base east}{-1}{0}{base west}{1}} \tikzset{base right/.code=\tikz@lib@place@handle@{#1}{base west}{1}{0}{base east}{1}} \tikzset{below/.code=\tikz@lib@place@handle@{#1}{north}{0}{-1}{south}{1}} \tikzset{below left/.code=\tikz@lib@place@handle@{#1}{north east}{-1}{-1}{south west}{0.707106781}} \tikzset{below right/.code=\tikz@lib@place@handle@{#1}{north west}{1}{-1}{south east}{0.707106781}} \tikzset{left/.code =\tikz@lib@place@handle@{#1}{east}{-1}{0}{west}{1}} \tikzset{mid left/.code =\tikz@lib@place@handle@{#1}{mid east}{-1}{0}{base west}{1}} \tikzset{mid right/.code=\tikz@lib@place@handle@{#1}{mid west}{1}{0}{base east}{1}} \tikzset{right/.code=\tikz@lib@place@handle@{#1}{west}{1}{0}{east}{1}} \newif\iftikz@lib@ignore@size % Hook into resets: \pgfutil@g@addto@macro\tikz@node@reset@hook{\tikz@addtransform{\tikz@lib@pos@call}\let\tikz@lib@pos@call=\relax} \tikzset{on grid/.is if=tikz@lib@ignore@size} \tikzset{node distance=1cm and 1cm} \def\tikz@lib@place@handle@#1#2#3#4#5#6{% \def\tikz@anchor{#2}% \edef\tikz@temp{#1}% \def\tikz@lib@place@single@factor{#6}% \expandafter\tikz@lib@place@handle@@\expandafter{\tikz@temp}{#3}{#4}{#5}% } \def\tikz@lib@place@handle@@#1#2#3#4{% \pgfutil@in@{of }{#1}% \ifpgfutil@in@% \tikz@lib@place@of#1\tikz@stop{#4}% \else% \edef\tikz@lib@place@nums{#1}% \fi% \ifx\tikz@lib@place@nums\pgfutil@empty% % Ok, nothing to do, we have set the anchor and we are happy... \else% \expandafter\tikz@lib@place@parse@nums\expandafter{\tikz@lib@place@nums}% \pgf@x=#2\pgf@x% \pgf@y=#3\pgf@y% \edef\tikz@lib@pos@call{\noexpand\pgftransformshift{\noexpand\pgfqpoint{\the\pgf@x}{\the\pgf@y}}}% \fi% } \def\tikz@lib@place@parse@nums#1{% \pgfutil@in@{and}{#1}% \ifpgfutil@in@% \tikz@lib@place@parse@nums@#1\tikz@stop% \else% \tikz@lib@place@parse@nums@#1and#1\tikz@stop% \pgf@x=\tikz@lib@place@single@factor\pgf@x% \pgf@y=\tikz@lib@place@single@factor\pgf@y% \fi } \def\tikz@lib@place@parse@nums@#1and#2\tikz@stop{% \pgfmathparse{#2}% \ifpgfmathunitsdeclared% \pgf@xa=\pgfmathresult pt% \pgf@ya=0pt% \else% \let\tikz@lib@temp=\pgfmathresult% \pgf@process{\pgfpointxy{\tikz@lib@temp}{0}}% \pgf@xa=\pgf@x% \pgf@ya=\pgf@y% \fi% \pgfmathparse{#1}% \ifpgfmathunitsdeclared% \advance\pgf@ya by\pgfmathresult pt% \else% \let\tikz@lib@temp=\pgfmathresult% \pgf@process{\pgfpointxy{0}{\tikz@lib@temp}}% \advance\pgf@xa by\pgf@x% \advance\pgf@ya by\pgf@y% \fi% \pgf@x=\pgf@xa% \pgf@y=\pgf@ya% } \def\tikz@lib@place@of#1of #2\tikz@stop#3{% \def\tikz@temp{#1}% \ifx\tikz@temp\pgfutil@empty% \tikz@lib@place@of@{\tikz@node@distance}{#2}{#3}% \else% \tikz@lib@place@of@{#1}{#2}{#3}% \fi% } \def\tikz@lib@place@of@#1#2#3{% \tikz@scan@one@point\tikz@lib@place@remember(#2)% \iftikz@shapeborder% % Ok, this is relative to a border. \iftikz@lib@ignore@size% \edef\tikz@node@at{\noexpand\pgfpointanchor{\tikz@shapeborder@name}{center}}% \def\tikz@anchor{center}% \else% \edef\tikz@node@at{\noexpand\pgfpointanchor{\tikz@shapeborder@name}{#3}}% \fi% \fi% \edef\tikz@lib@place@nums{#1}% } \def\tikz@lib@place@remember#1{\def\tikz@node@at{#1}} \endinput