% 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. % The aux files, needed for reading back coordinates \def\pgfutil@aux@read@hook{ \pgfutil@IfFileExists{\jobname.pgf}{\input \jobname.pgf\relax}{} \csname newwrite\endcsname\pgfutil@auxout \csname openout\endcsname\pgfutil@auxout\jobname.pgf } % XColor-like support for plain TeX \def\pgfutil@definecolor#1#2#3{\csname pgfutil@emu@#2\endcsname{#1}#3\@nil} \def\pgfutil@emu@rgb#1#2,#3,#4\@nil{\expandafter\def\csname\string\color@#1\endcsname{\xcolor@{}{}{rgb}{#2,#3,#4}}} \def\pgfutil@emu@gray#1#2\@nil{\expandafter\def\csname\string\color@#1\endcsname{\xcolor@{}{}{rgb}{#2,#2,#2}}} \pgfutil@definecolor{white}{gray}{1} \pgfutil@definecolor{black}{gray}{0} \pgfutil@definecolor{gray}{gray}{0.5} \pgfutil@definecolor{red}{rgb}{1,0,0} \pgfutil@definecolor{green}{rgb}{0,1,0} \pgfutil@definecolor{blue}{rgb}{0,0,1} \pgfutil@definecolor{cyan}{rgb}{0,1,1} \pgfutil@definecolor{magenta}{rgb}{1,0,1} \pgfutil@definecolor{yellow}{rgb}{1,1,0} \pgfutil@definecolor{orange}{rgb}{1,0.5,0} \pgfutil@definecolor{violet}{rgb}{0.5,0,0.5} \pgfutil@definecolor{purple}{rgb}{0.75,0,0.25} \pgfutil@definecolor{brown}{rgb}{0.75,0.5,0.25} \def\pgfutil@color#1{% \pgfutil@colorlet{.}{#1}% \pgfsysprotocol@getcurrentprotocol\pgfutil@emu@temp% {% \pgfsysprotocol@setcurrentprotocol\pgfutil@empty% \pgfsysprotocol@bufferedtrue% \pgfsetcolor{.}% \expandafter\pgfsys@outerinvoke\expandafter{\pgfsysprotocol@currentprotocol}% }% \pgfsysprotocol@setcurrentprotocol\pgfutil@emu@temp% \aftergroup\pgfutil@reset@color% } \def\pgfutil@extractcolorspec#1#2{% \def#2{{#1}}% } \def\pgfutil@convertcolorspec#1#2#3{% \edef#3{\expandafter\expandafter\expandafter\pgfutil@emu@select\csname\string\color@#1\endcsname}% } \def\pgfutil@doifcolorelse#1#2#3{% \expandafter\ifx\csname\string\color@#1\endcsname\relax% \let\pgf@next=\pgfutil@secondoftwo% \else \let\pgf@next=\pgfutil@firstoftwo% \fi% \pgf@next{#2}{#3}% } \def\pgfutil@reset@color{% \pgfsysprotocol@getcurrentprotocol\pgfutil@emu@temp% {% \pgfsysprotocol@setcurrentprotocol\pgfutil@empty% \pgfsysprotocol@bufferedtrue% \pgfsetcolor{.}% \expandafter\pgfsys@outerinvoke\expandafter{\pgfsysprotocol@currentprotocol}% }% \pgfsysprotocol@setcurrentprotocol\pgfutil@emu@temp% } \expandafter\def\csname\string\color@.\endcsname{\xcolor@{}{}{rgb}{0,0,0}} \def\pgfutil@colorlet#1#2{% \edef\pgf@marshal{#2}% \expandafter\pgfutil@in@\expandafter!\expandafter{\pgf@marshal}% \ifpgfutil@in@% % compute mixture {% \expandafter\pgfutil@emu@mix\pgf@marshal!white!\@nil% \xdef\pgf@marshal{\noexpand\def\expandafter\noexpand\csname\string\color@#1\endcsname{% \noexpand\xcolor@{}{}{rgb}{\pgf@sys@tonumber\pgf@xa,\pgf@sys@tonumber\pgf@xb,\pgf@sys@tonumber\pgf@xc}}}% }% \pgf@marshal% \else% \edef\pgf@marshal{\noexpand\let\expandafter\noexpand\csname\string\color@#1\endcsname=% \expandafter\noexpand\csname\string\color@#2\endcsname}% \pgf@marshal% \fi% } \def\pgfutil@emu@mix#1!#2!#3!#4\@nil{% \expandafter\expandafter\expandafter\pgfutil@emu@unpack\csname\string\color@#1\endcsname% \pgf@ya=\pgf@xa% \pgf@yb=\pgf@xb% \pgf@yc=\pgf@xc% \expandafter\expandafter\expandafter\pgfutil@emu@unpack\csname\string\color@#3\endcsname% \c@pgf@counta=#2\relax% \c@pgf@countb=100\relax% \advance\c@pgf@countb by-\c@pgf@counta\relax% \pgf@xa=\c@pgf@countb\pgf@xa% \advance\pgf@xa by\c@pgf@counta\pgf@ya% \divide\pgf@xa by 100\relax% \pgf@xb=\c@pgf@countb\pgf@xb% \advance\pgf@xb by\c@pgf@counta\pgf@yb% \divide\pgf@xb by 100\relax% \pgf@xc=\c@pgf@countb\pgf@xc% \advance\pgf@xc by\c@pgf@counta\pgf@yc% \divide\pgf@xc by 100\relax% } \def\pgfutil@emu@unpack#1#2#3#4#5{% \pgfutil@emu@@unpack#5\@nil% } \def\pgfutil@emu@@unpack#1,#2,#3\@nil{% \pgf@xa=#1pt% \pgf@xb=#2pt% \pgf@xc=#3pt% } \def\pgfutil@emu@select#1#2#3#4#5{#5} \let\definecolor=\pgfutil@definecolor \let\color=\pgfutil@color \let\colorlet=\pgfutil@colorlet \let\extractcolorspec=\pgfutil@extractcolorspec \let\convertcolorspec=\pgfutil@convertcolorspec % pgfutil@minipage \def\pgfutil@minipage[#1]#2{% \hbox to#2\bgroup% \hsize=#2\relax% \vbox\bgroup\leavevmode% } \def\pgfutil@endminipage{\egroup\egroup} % Driver detector (not so good): \ifx\pdfoutput\@undefined\alloc@0\count\countdef\insc@unt\pdfoutput\fi \ifx\pdfoutput\relax\alloc@0\count\countdef\insc@unt\pdfoutput\fi \ifcase\pdfoutput% \gdef\Gin@driver{dvips.def}% \else% \gdef\Gin@driver{pdftex.def}% \fi% % Global colors \let\pgfutil@globalcolorsfalse=\relax \let\pgfutil@globalcolorstrue=\relax % Font stuff \def\pgfutil@font@tiny{\fam\z@\fiverm} % How to do this correctly? \def\pgfutil@font@scriptsize{\fam\z@\sevenrm} \def\pgfutil@font@footnotesize{\rm} \def\pgfutil@font@small{\fam\z@\ninerm} \def\pgfutil@font@normalsize{\rm} \def\pgfutil@font@large{\rm} \def\pgfutil@font@Large{\rm} \def\pgfutil@font@huge{\rm} \def\pgfutil@font@Huge{\rm} \def\pgfutil@font@itshape{\it} \def\pgfutil@font@bfseries{\bf} \let\pgfutil@font@normalfont=\rm \let\pgfutil@selectfont=\rm % Extra counters, registers, boxes \newcount\pgfutil@tempcnta \newcount\pgfutil@tempcntb \newbox\pgfutil@tempboxa \newdimen\pgfutil@tempdima \newdimen\pgfutil@tempdimb % Module stuff \def\pgfutil@usemodule#1{\input #1.tex} % End of file stuff \let\pgfutil@origend=\end \def\end{\the\pgfutil@everybye\pgfutil@origend} % The following is still messy and needs to be cleanup up (everything % prefixed by pgfutil@): \def\PackageInfo#1#2{} \def\PackageWarning#1#2{\immediate\write-1{Package #1: Warning! #2.}}% \def\PackageError#1#2#3{\immediate\write-1{Package #1: Error! #2.}}% \long\def\AtBeginDocument#1{#1}% \long\def\AtBeginDvi#1{#1}% \endinput