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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.
-
-\ProvidesFileRCS $Header: /cvsroot/pgf/pgf/generic/pgf/systemlayer/pgfsys-tex4ht.def,v 1.15 2007/06/07 07:41:11 tantau Exp $
-
-
-\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%
- \pgf@xc=\pgf@x%
- \pgf@yc=\pgf@y%
- \pgfsysprotocol@flushcurrentprotocol%
- \HCode{<object data="\jobname-\the\pgf@sys@svg@picnum.svg"
- width="}%
- % Calculate pixel coordinates (this does not really make sense, but
- % we have to do it anyway). Assume 96dpi.
- \pgf@x=1.3333333\pgf@x%
- \pgf@y=1.3333333\pgf@y%
- % Add one pixel for security:
- \advance\pgf@x by1pt%
- \advance\pgf@y by1pt%
- \pgf@sys@pt\pgf@x%
- \pgfsysprotocol@flushcurrentprotocol%
- \pgfsys@invoke{" height="}%
- \pgf@sys@pt\pgf@y%
- \pgfsysprotocol@flushcurrentprotocol%
- \pgfsys@invoke{" type="image/svg+xml"><p>SVG-Viewer needed.</p></object>}%
- \special{t4ht>\jobname-\the\pgf@sys@svg@picnum.svg}%
- \pgfsys@invoke{<svg xmlns="http://www.w3.org/2000/svg"
- xmlns:xlink="http://www.w3.org/1999/xlink" width="\the\pgf@xc"
- height="\the\pgf@yc" viewBox="}%
- \pgf@sys@pt{\pgf@xa}\pgf@sys@pt{\pgf@ya}\pgf@sys@pt{\pgf@xc}\pgf@sys@pt{\pgf@yc}%
- \pgfsysprotocol@flushcurrentprotocol%
- \pgf@ya=-\pgf@ya%
- \pgfsys@invoke{">\Hnewline <g transform="translate(0,}
- \pgf@sys@pt\pgf@yb\pgfsysprotocol@flushcurrentprotocol%
- \pgfsys@invoke{) scale(1,-1) translate(0,}%
- \pgf@sys@pt\pgf@ya\pgfsysprotocol@flushcurrentprotocol%
- \pgfsys@invoke{)">\Hnewline }%
- \pgfmathsetlength\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\pgfutil@empty%
- \pgfsetfillcolor{.}%
- \else%
- \pgfsetfillcolor{\tikz@textcolor}%
- \fi%
- \fi% tweak for TikZ
- \HCode{<text
- style="stroke:none"
- transform="scale(1,-1) translate(\pgf@sys@tonumber{\pgf@x},0)"
- text-anchor="middle"
- }%
- \ifx\f@size\pgfutil@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\pgfutil@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: