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\ProvidesFileRCS $Header: /cvsroot/pgf/pgf/generic/pgf/systemlayer/pgfsys-tex4ht.def,v 1.8 2005/08/13 18:59:56 tantau Exp $
% Copyright 2005 by Till Tantau <tantau@cs.tu-berlin.de>.
%
% This program can be redistributed and/or modified under the terms
% of the GNU Public License, version 2.
\RequirePackage{xcolor}
% Driver commands for tex4ht
%
% Load common pdf commands:
%
\input pgfsys-common-svg.def
%
% tex4ht-specific stuff:
%
\def\pgfsys@invoke#1{\HCode{#1}}
\newcount\pgf@sys@svg@picnum
\def\pgfsys@beginpicture{%
\Configure{[]}{$}{$}
\Configure{()}{$}{$}
\Configure{$$}{}{}{}%$$
\Configure{$}{}{}{}%$
\Configure{SUB}{\HCode{<tspan baseline-shift="sub">}}{\HCode{</tspan>}}
\Configure{SUP}{\HCode{<tspan baseline-shift="sub">}}{\HCode{</tspan>}}
\Configure{SUBSUP}{}{}{}
\Configure{htf}
{0}{+}{<tspan font-family="}
{\%s}{" font-size="\%s}{}{}
{">}{</tspan>}
}
\def\pgfsys@endpicture{%
% undo:
\Configure{htf}{0}{+}{<span\Hnewline
class="}{\%s}{-\%s}{x-x-\%d}{}{">}{</span>}
}
\def\pgfsys@typesetpicturebox#1{%
\global\advance\pgf@sys@svg@picnum by 1\relax%
% Ok, compute width/height
\pgf@xa=\pgf@picminx%
\pgf@ya=\pgf@picminy%
\pgf@xb=\pgf@picmaxx%
\pgf@yb=\pgf@picmaxy%
\pgf@x=\pgf@xb%
\advance\pgf@x by-\pgf@xa%
\pgf@y=\pgf@yb%
\advance\pgf@y by-\pgf@ya%
\ifdim\pgf@y<1pt%
\pgf@y=1pt%
\fi%
\HCode{<object data="\jobname-\the\pgf@sys@svg@picnum.svg"
width="\the\pgf@x" height="\the\pgf@y"
type="image/svg+xml"><p>SVG-Viewer needed.</p></object>}%
\special{t4ht>\jobname-\the\pgf@sys@svg@picnum.svg}%
\pgfsys@invoke{<svg width="\the\pgf@x" height="\the\pgf@y" viewBox="}%
\pgf@sys@pt{\pgf@xa}\pgf@sys@pt{\pgf@ya}\pgf@sys@pt{\pgf@x}\pgf@sys@pt{\pgf@y}%
\pgfsysprotocol@flushcurrentprotocol%
\pgf@ya=-\pgf@ya%
\pgfsys@invoke{">\Hnewline <g transform="translate(0,\the\pgf@yb) scale(1,-1)
translate(0,\the\pgf@ya)">\Hnewline }%
\setlength\pgf@x{\pgf@shift@baseline}%
\advance\pgf@x by-\pgf@picminy\relax%
\advance\pgf@picmaxy by-\pgf@picminy\relax% maxy is now the height
\advance\pgf@picmaxx by-\pgf@picminx\relax% maxx is now the width
\setbox#1=\hbox{\hskip-\pgf@picminx\lower\pgf@picminy\box#1}%
\ht#1=\pgf@picmaxy%
\wd#1=\pgf@picmaxx%
\dp#1=0pt%
\leavevmode\raise-\pgf@x\box#1%
\pgfsys@invoke{</g>\Hnewline </svg>\Hnewline }%
\special{t4ht<\jobname-\the\pgf@sys@svg@picnum.svg}%
}
\def\pgfsys@hbox#1{%
\pgf@x=.5\wd#1%
\ifx\tikz@textcolor\relax%
\else%
\ifx\tikz@textcolor\@empty%
\pgfsetfillcolor{.}%
\else%
\pgfsetfillcolor{\tikz@textcolor}%
\fi%
\fi% tweak for TikZ
\HCode{<text
style="stroke:none"
transform="scale(1,-1) translate(\the\pgf@x,0pt)"
text-anchor="middle"
}%
\ifx\f@size\@empty%
\else%
\HCode{ font-size="\f@size"}%
\fi%
\HCode{>\Hnewline }%
\wd#1=0pt%
\ht#1=0pt%
\dp#1=0pt%
\box#1
\HCode{</text>\Hnewline }%
}
\def\pgfsys@outerinvoke{\ifpgfpicture\expandafter\pgfsys@invoke\else\expandafter\@gobble\fi}
\def\pgfsys@shadingoutsidepgfpicture#1{%
\begingroup%
#1%
\setbox\pgfpic=\hbox to0pt{%
\pgfsys@beginpicture%
\pgfsys@beginscope%
\pgf@sys@svg@sh@defs%
\pgf@sys@svg@sh%
\pgfsys@endscope%
\pgfsys@endpicture%
\hss%
}%
\pgf@process{\pgf@sys@svg@pos}%
\pgf@picminx=0pt%
\pgf@picminy=0pt%
\pgf@picmaxx=\pgf@x%
\pgf@picmaxy=\pgf@y%
\pgf@baseline=0pt%
\pgfsys@typesetpicturebox\pgfpic%
\endgroup%
}
\def\pgfsys@shadinginsidepgfpicture#1{%
#1%
\pgf@sys@svg@sh@defs% hmmm....
\pgf@process{\pgf@sys@svg@pos}
\pgf@xa=-.5\pgf@x%
\pgf@ya=-.5\pgf@y%
\pgfsysprotocol@literal{<g transform="translate(\pgf@sys@tonumber{\pgf@xa},\pgf@sys@tonumber{\pgf@ya})">\Hnewline}%
\pgf@sys@svg@sh%
\pgfsysprotocol@literal{</g>\Hnewline}%
}
% Protect against color.4ht evil meddling with xcolor:
\let\pgf@xcolor@declaredcolor=\@declaredcolor
\let\pgf@xcolor@undeclaredcolor=\@undeclaredcolor
\AtBeginDocument{
\let\pgf@texht@declaredcolor=\@declaredcolor
\let\pgf@texht@undeclaredcolor=\@undeclaredcolor
\def\@declaredcolor{\ifpgfpicture\expandafter\pgf@xcolor@declaredcolor\else\expandafter\pgf@texht@declaredcolor\fi}
\def\@undeclaredcolor{\ifpgfpicture\expandafter\pgf@xcolor@undeclaredcolor\else\expandafter\pgf@texht@undeclaredcolor\fi}
\ConfigureEnv{pgfpicture}{}{}{}{}
}
\endinput
%%% Local Variables:
%%% mode: latex
%%% End:
|
