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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.
\pgfutil@format@is@plaintrue
% 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
\immediate\csname openout\endcsname\pgfutil@auxout\jobname.pgf
}
\def\pgfutil@writetoaux#1{\write\pgfutil@auxout{#1}}
% 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\noindent%
}
\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
\def\pgfutil@guessdriver{
\ifx\directlua\@undefined
\ifx\HCode\@undefined%
\ifcase\pdfoutput%
\ifx\XeTeXversion\@undefined
\def\pgfsysdriver{pgfsys-dvips.def}% hopefully
\else
\def\pgfsysdriver{pgfsys-xetex.def}% should be right
\fi
\else%
\def\pgfsysdriver{pgfsys-pdftex.def}% should be right
\fi%
\else%
\def\pgfsysdriver{pgfsys-tex4ht.def}% should be right
\fi%
\else
\def\pgfsysdriver{pgfsys-luatex.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
\let\pgfmath@tempdima\pgfutil@tempdima
\let\pgfmath@tempdima\pgfutil@tempdima
\let\pgfmath@tempcnta\pgfutil@tempcnta
\let\pgfmath@tempcntb\pgfutil@tempcntb
% From LaTeX
\newskip\pgfutil@flushglue
\pgfutil@flushglue=0pt plus 1fil
% Module stuff
\def\pgfutil@usemodule#1{\input #1.tex}
% End of file stuff
\let\pgfutil@origend=\end
\def\end{\the\pgfutil@everybye\pgfutil@origend}
% Link to existing stuff
\let\pgfutil@voidb@x\voidb@x
\let\pgfutil@toks@\toks@
% Hack shipout. Now use atbegshi
\def\pgfutil@insertatbegincurrentpagefrombox#1{%
\edef\pgf@temp{\the\wd\pgfutil@abb}%
\global\setbox\pgfutil@abb\hbox{%
\unhbox\pgfutil@abb
%
% the order in which \pgfutil@insertatbegincurrentpagefrombox
% matters unless we make the following -shift!
% To see this, consider writing two such statements. The second
% one will (naturally) be placed more to the right, although there
% is no apparent reason why it should.
%
% CF observed problems when placing patterns in XObjects without
% this skip (dvipdfmx driver for pgfplots shader=interp)
\hskip-\pgf@temp\relax
#1%
}%
}
\newbox\pgfutil@abb%
\def\pgfutil@insertatbegincurrentpage#1{%
\expandafter\gdef\expandafter\pgfutil@abc\expandafter{\pgfutil@abc#1}%
}
\let\pgfutil@abc\pgfutil@empty%
\def\pgfutil@insertatbegineverypage#1{%
\expandafter\gdef\expandafter\pgfutil@abe\expandafter{\pgfutil@abe#1}%
}
\let\pgfutil@abe\pgfutil@empty%
% Code by Heiko Oberdiek on ctt
\input atbegshi.sty\relax
\AtBeginShipout{%
\setbox\AtBeginShipoutBox=\vbox{%
\setbox0=\hbox{%
\begingroup
% the boxes \pgfutil@abe ("every page") and \pgfutil@abb ("current page")
% are used to generate pdf objects / dictionaries which are
% required for the graphics which are somewhere in the "real"
% page content.
% BUT: these pdf objects MUST NOT be affected by text layout
% shifts! Consequently, we have to undo \hoffset and \voffset
% (which are h/v shifts to the page layout).
%
% Note that this of importance for shadings. To be more
% specific: try out shadings with standalone (which uses
% \hoffset) and with xdvipdfmx (which appears to be more
% fragile than pdflatex) - they break unless we undo \hoffset
% and \voffset.
\ifdim\hoffset=0pt \else \hskip-\hoffset\fi
\pgfutil@abe
\unhbox\pgfutil@abb
\pgfutil@abc
\global\let\pgfutil@abc\pgfutil@empty
\ifdim\hoffset=0pt \else \hskip+\hoffset\fi
\endgroup
}%
\wd0=0pt\relax
\ht0=0pt\relax
\dp0=0pt\relax
% ... see remark above regarding \hoffset/\voffset:
\ifdim\voffset=0pt \else \vskip-\voffset\fi
\box0 %
\ifdim\voffset=0pt \else \vskip+\voffset\fi
\nointerlineskip
\box\AtBeginShipoutBox
}%
}%
% End of HO code
% The following is still messy and needs to be cleanup up (everything
% prefixed by pgfutil@):
%\def\PackageInfo#1#2{}
%\def\PackageWarning#1#2{\immediate\write17{Package #1: Warning! #2.}}%
%\def\PackageError#1#2#3{\immediate\write17{Package #1: Error! #2.}}%
\long\def\AtBeginDocument#1{#1}%
\endinput
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