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Diffstat (limited to 'graphics/pgf/base/tex/generic/frontendlayer/tikz/libraries/tikzlibrarypositioning.code.tex')
-rw-r--r-- | graphics/pgf/base/tex/generic/frontendlayer/tikz/libraries/tikzlibrarypositioning.code.tex | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/graphics/pgf/base/tex/generic/frontendlayer/tikz/libraries/tikzlibrarypositioning.code.tex b/graphics/pgf/base/tex/generic/frontendlayer/tikz/libraries/tikzlibrarypositioning.code.tex new file mode 100644 index 0000000000..b410975c32 --- /dev/null +++ b/graphics/pgf/base/tex/generic/frontendlayer/tikz/libraries/tikzlibrarypositioning.code.tex @@ -0,0 +1,118 @@ +% Copyright 2018 by Till Tantau +% +% This file may be distributed and/or modified +% +% 1. under the LaTeX Project Public License and/or +% 2. under the GNU Public License. +% +% See the file doc/generic/pgf/licenses/LICENSE for more details. + +\ProvidesFileRCS{tikzlibrarypositioning.code.tex} + + +\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}{mid west}{1}}% +\tikzset{mid right/.code=\tikz@lib@place@handle@{#1}{mid west}{1}{0}{mid 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}% + \let\tikz@do@auto@anchor=\relax% + \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 |