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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-common-svg.def,v 1.19 2007/06/12 21:23:32 tantau Exp $
-
-
-% Driver commands for svg
-
-
-% Helping functions:
-\let\pgf@sys@svgpath=\pgfutil@empty
-\def\pgf@sys@svgnum#1{%
- {%
- \pgf@x=#1\relax%
- \edef\temp{\expandafter\Pgf@geT\the\pgf@x\space}%
- \toks@\expandafter\expandafter\expandafter{\expandafter\pgf@sys@svgpath\temp}%
- \xdef\pgf@sys@svgpath{\the\toks@}%
- }%
-}
-\def\pgf@sys@addtosvgpath#1{\pgfutil@g@addto@macro\pgf@sys@svgpath{#1\space}}
-\def\pgf@sys@flushsvgpath{\pgfsysprotocol@literal{\pgf@sys@svgpath}\global\let\pgf@sys@svgpath=\pgfutil@empty}
-\def\pgf@sys@svg@gs#1{%
- {\pgfsysprotocol@literal{<g #1>\Hnewline }}\global\advance\pgf@sys@svg@scopecount by1\relax%
-}
-\newcount\pgf@sys@svg@objectcount
-\let\Hnewline=\pgfutil@empty
-\catcode`\%=12
-\def\pgf@sys@svg@percentchar{%}
-\catcode`\%=14
-
-% Path construction:
-\def\pgfsys@lineto#1#2{\pgf@sys@addtosvgpath{L }\pgf@sys@svgnum{#1}\pgf@sys@svgnum{#2}}
-\def\pgfsys@moveto#1#2{\pgf@sys@addtosvgpath{M }\pgf@sys@svgnum{#1}\pgf@sys@svgnum{#2}}
-\def\pgfsys@curveto#1#2#3#4#5#6{%
- \pgf@sys@addtosvgpath{C }%
- \pgf@sys@svgnum{#1}\pgf@sys@svgnum{#2}%
- \pgf@sys@svgnum{#3}\pgf@sys@svgnum{#4}%
- \pgf@sys@svgnum{#5}\pgf@sys@svgnum{#6}}
-\def\pgfsys@rect#1#2#3#4{%
- \pgfsys@moveto{#1}{#2}%
- \pgf@sys@addtosvgpath{h }\pgf@sys@svgnum{#3}%
- \pgf@sys@addtosvgpath{v }\pgf@sys@svgnum{#4}%
- \pgf@sys@addtosvgpath{h }{\pgf@x=#3\pgf@x=-\pgf@x\pgf@sys@svgnum{\pgf@x}}%
- \pgfsys@closepath}
-\def\pgfsys@closepath{\pgf@sys@addtosvgpath{Z}}
-
-% Path usage:
-\newif\ifpgf@sys@svg@clipnext
-\def\pgf@sys@svg@possiblyclippedpath#1{%
- \ifpgf@sys@svg@clipnext%
- \global\advance\pgf@sys@svg@objectcount by1\relax%
- \pgfsysprotocol@literal{<clipPath id="pgfcp\the\pgf@sys@svg@objectcount">
- <path id="pgfpath\the\pgf@sys@svg@objectcount" d="}%
- \pgf@sys@flushsvgpath%
- \pgfsysprotocol@literal{"/>\Hnewline </clipPath>\Hnewline }
- \pgfsysprotocol@literal{<use xlink:href="\#pgfpath\the\pgf@sys@svg@objectcount" #1/>\Hnewline }%
- \pgf@sys@svg@gs{clip-path="url(\#pgfcp\the\pgf@sys@svg@objectcount)"}
- \pgf@sys@svg@clipnextfalse%
- \else%
- \pgfsysprotocol@literal{<path d="}%
- \pgf@sys@flushsvgpath%
- \pgfsysprotocol@literal{" #1/>\Hnewline }
- \fi%
-}
-\def\pgfsys@stroke{\pgf@sys@svg@possiblyclippedpath{style="fill:none"}}
-\def\pgfsys@fill{\pgf@sys@svg@possiblyclippedpath{style="stroke:none"}}
-\def\pgfsys@fillstroke{\pgf@sys@svg@possiblyclippedpath{}}
-\def\pgfsys@clipnext{\pgf@sys@svg@clipnexttrue}
-\def\pgfsys@discardpath{%
- \ifpgf@sys@svg@clipnext%
- \global\advance\pgf@sys@svg@objectcount by1\relax%
- \pgfsysprotocol@literal{<clipPath id="pgfcp\the\pgf@sys@svg@objectcount">
- <path d="}%
- \pgf@sys@flushsvgpath%
- \pgfsysprotocol@literal{"/>\Hnewline </clipPath>\Hnewline }
- \pgf@sys@svg@gs{clip-path="url(\#pgfcp\the\pgf@sys@svg@objectcount)"}
- \pgf@sys@svg@clipnextfalse%
- \else%
- \global\let\pgf@sys@svgpath=\pgfutil@empty
- \fi}
-
-% Fill rules:
-\def\pgfsys@eoruletrue{\pgf@sys@svg@gs{fill-rule="evenodd"}}
-\def\pgfsys@eorulefalse{\pgf@sys@svg@gs{fill-rule="nonzero"}}
-
-% Transparency:
-\def\pgfsys@stroke@opacity#1{\pgf@sys@svg@gs{stroke-opacity="#1"}}
-\def\pgfsys@fill@opacity#1{\pgf@sys@svg@gs{fill-opacity="#1"}}
-
-% Transformation:
-\def\pgfsys@transformcm#1#2#3#4#5#6{%
- {\pgf@x=#5\pgf@y=#6%
- \pgf@sys@svg@gs{transform="matrix(#1,#2,#3,#4,\pgf@sys@tonumber{\pgf@x},\pgf@sys@tonumber{\pgf@y})"}}}
-
-% Scopes
-\newcount\pgf@sys@svg@scopecount
-\def\pgfsys@beginscope{%
- \edef\pgf@sys@svg@thescopecount{\the\pgf@sys@svg@scopecount}%
- \begingroup%
- \pgf@sys@svg@scopecount=1\relax%
- \pgfsysprotocol@literal{<g>\Hnewline }%
- }
-\def\pgfsys@endscope{%
- \loop%
- \pgfsysprotocol@literal{</g>\Hnewline }%
- \advance\pgf@sys@svg@scopecount by-1\relax%
- \ifnum\pgf@sys@svg@scopecount>0\relax%
- \repeat%
- \endgroup%
- \global\pgf@sys@svg@scopecount=\pgf@sys@svg@thescopecount\relax%
-}
-
-% Graphics state
-\def\pgfsys@setdash#1#2{%
- \edef\pgf@test@dashpattern{#1}%
- \ifx\pgf@test@dashpattern\pgfutil@empty%
- \pgf@sys@svg@gs{stroke-dasharray="none" stroke-dashoffset="#2"}%
- \else%
- \pgf@sys@svg@gs{stroke-dasharray="#1" stroke-dashoffset="#2"}%
- \fi}
-\def\pgfsys@setlinewidth#1{\pgf@sys@svg@gs{stroke-width="#1"}}
-\def\pgfsys@setmiterlimit#1{\pgf@sys@svg@gs{stroke-miterlimit="#1"}}
-\def\pgfsys@buttcap{\pgf@sys@svg@gs{stroke-linecap="butt"}}
-\def\pgfsys@roundcap{\pgf@sys@svg@gs{stroke-linecap="round"}}
-\def\pgfsys@rectcap{\pgf@sys@svg@gs{stroke-linecap="square"}}
-\def\pgfsys@miterjoin{\pgf@sys@svg@gs{stroke-linejoin="miter"}}
-\def\pgfsys@roundjoin{\pgf@sys@svg@gs{stroke-linejoin="round"}}
-\def\pgfsys@beveljoin{\pgf@sys@svg@gs{stroke-linejoin="bevel"}}
-
-
-%
-% Color management
-%
-
-\def\XC@mcolor{\ifpgfpicture\pgfsetcolor{.}\fi}
-
-\def\pgf@sys@svg@color@rgb#1,#2,#3\relax{%
- {%
- \pgf@xa=#1pt%
- \pgf@xa=100\pgf@xa%
- \pgf@xb=#2pt%
- \pgf@xb=100\pgf@xb%
- \pgf@xc=#3pt%
- \pgf@xc=100\pgf@xc%
- \xdef\pgf@sys@svg@prepared{rgb(\pgf@sys@tonumber\pgf@xa\pgf@sys@svg@percentchar,\pgf@sys@tonumber\pgf@xb\pgf@sys@svg@percentchar,\pgf@sys@tonumber\pgf@xc\pgf@sys@svg@percentchar)}%
- }%
-}
-\def\pgf@sys@svg@color@cmy#1,#2,#3\relax{%
- {%
- \pgf@xa=1pt%
- \advance\pgf@xa by-#1pt%
- \pgf@xa=100\pgf@xa%
- \pgf@xb=1pt%
- \advance\pgf@xb by-#2pt%
- \pgf@xb=100\pgf@xb%
- \pgf@xc=1pt%
- \advance\pgf@xc by-#3pt%
- \pgf@xc=100\pgf@xc%
- \xdef\pgf@sys@svg@prepared{rgb(\pgf@sys@tonumber\pgf@xa\pgf@sys@svg@percentchar,\pgf@sys@tonumber\pgf@xb\pgf@sys@svg@percentchar,\pgf@sys@tonumber\pgf@xc\pgf@sys@svg@percentchar)}%
- }%
-}
-\def\pgf@sys@svg@color@cmyk#1,#2,#3,#4\relax{%
- {%
- \pgf@xa=1pt%
- \advance\pgf@xa by-#4pt%
- \pgf@xa=#1\pgf@xa%
- \advance\pgf@xa by#4pt%
- \advance\pgf@xa by-1pt%
- \pgf@xa=-100\pgf@xa%
- \pgf@xb=1pt%
- \advance\pgf@xb by-#4pt%
- \pgf@xb=#2\pgf@xb%
- \advance\pgf@xb by#4pt%
- \advance\pgf@xb by-1pt%
- \pgf@xb=-100\pgf@xb%
- \pgf@xc=1pt%
- \advance\pgf@xc by-#4pt%
- \pgf@xc=#3\pgf@xc%
- \advance\pgf@xc by#4pt%
- \advance\pgf@xc by-1pt%
- \pgf@xc=-100\pgf@xc%
- \xdef\pgf@sys@svg@prepared{rgb(\pgf@sys@tonumber\pgf@xa\pgf@sys@svg@percentchar,\pgf@sys@tonumber\pgf@xb\pgf@sys@svg@percentchar,\pgf@sys@tonumber\pgf@xc\pgf@sys@svg@percentchar)}%
- }%
-}
-\def\pgf@sys@svg@color@gray#1\relax{%
- {%
- \pgf@xa=#1pt%
- \pgf@xa=100\pgf@xa%
- \xdef\pgf@sys@svg@prepared{rgb(\pgf@sys@tonumber\pgf@xa\pgf@sys@svg@percentchar,\pgf@sys@tonumber\pgf@xa\pgf@sys@svg@percentchar,\pgf@sys@tonumber\pgf@xa\pgf@sys@svg@percentchar)}%
- }%
-}
-
-\def\pgf@sys@svg@gs@color#1{%
- \ifpgfpicture\pgf@sys@svg@gs{#1}\fi%
-}
-
-\def\pgfsys@color@rgb@stroke#1#2#3{%
- \pgf@sys@svg@color@rgb#1,#2,#3\relax%
- \pgf@sys@svg@gs@color{stroke="\pgf@sys@svg@prepared"}}
-\def\pgfsys@color@rgb@fill#1#2#3{%
- \pgf@sys@svg@color@rgb#1,#2,#3\relax%
- \pgf@sys@svg@gs@color{fill="\pgf@sys@svg@prepared"}}
-\def\pgfsys@color@cmyk@stroke#1#2#3#4{%
- \pgf@sys@svg@color@cmyk#1,#2,#3,#4\relax%
- \pgf@sys@svg@gs@color{stroke="\pgf@sys@svg@prepared"}}
-\def\pgfsys@color@cmyk@fill#1#2#3#4{%
- \pgf@sys@svg@color@cmyk#1,#2,#3,#4\relax%
- \pgf@sys@svg@gs@color{fill="\pgf@sys@svg@prepared"}}
-\def\pgfsys@color@cmy@stroke#1#2#3{%
- \pgf@sys@svg@color@cmy#1,#2,#3\relax%
- \pgf@sys@svg@gs@color{stroke="\pgf@sys@svg@prepared"}}
-\def\pgfsys@color@cmy@fill#1#2#3{%
- \pgf@sys@svg@color@cmy#1,#2,#3\relax%
- \pgf@sys@svg@gs@color{fill="\pgf@sys@svg@prepared"}}
-\def\pgfsys@color@gray@stroke#1{%
- \pgf@sys@svg@color@gray#1\relax%
- \pgf@sys@svg@gs@color{stroke="\pgf@sys@svg@prepared"}}
-\def\pgfsys@color@gray@fill#1{%
- \pgf@sys@svg@color@gray#1\relax%
- \pgf@sys@svg@gs@color{fill="\pgf@sys@svg@prepared"}}
-
-
-% Shadings:
-\def\pgf@sys@svg@shading@stops{%
- % Step 1: Compute 1/\pgf@sys@shading@end@pos
- \pgf@x=\pgf@sys@shading@end@pos\relax%
- \c@pgf@counta=\pgf@x\relax%
- \divide\c@pgf@counta by4096\relax%
- % Step 2: Insert stops.
- \expandafter\pgf@sys@svg@shading@dostops\pgf@sys@shading@ranges%
- % dummy for end:
- {{\pgf@sys@shading@end@pos}{\pgf@sys@shading@end@pos}{\pgf@sys@shading@end@rgb}{\pgf@sys@shading@end@rgb}}%
- {}% end
-}
-\def\pgf@sys@svg@shading@dostops#1{%
- \edef\pgf@test{#1}%
- \ifx\pgf@test\pgfutil@empty%
- \else%
- \expandafter\pgf@sys@svg@shading@dostop\pgf@test%
- \expandafter\pgf@sys@svg@shading@dostops%
- \fi%
-}
-\def\pgf@sys@svg@shading@dostop#1#2#3#4{%
- % #1 start pos
- % #2 end pos
- % #3 start rgb
- % #4 end rgb
- \pgf@sys@svg@addtostops{<stop offset="}%
- \pgf@x=#1%
- \pgf@x=16\pgf@x%
- \divide\pgf@x by \c@pgf@counta\relax%
- \pgf@sys@svg@addtostops{\pgf@sys@tonumber\pgf@x" stop-color="}%
- \pgf@sys@svg@shading@dorgb#3%
- \pgf@sys@svg@addtostops{"/>\noexpand\Hnewline}%
-}
-\def\pgf@sys@svg@shading@dorgb#1#2#3{%
- \pgf@sys@svg@color@rgb#1,#2,#3\relax%
- \pgf@sys@svg@addtostops{\pgf@sys@svg@prepared}%
-}
-
-\let\pgf@sys@svg@thestops=\pgfutil@empty
-\def\pgf@sys@svg@addtostops#1{%
- \edef\pgf@temp{#1}%
- \expandafter\expandafter\expandafter\def
- \expandafter\expandafter\expandafter\pgf@sys@svg@thestops
- \expandafter\expandafter\expandafter{\expandafter\pgf@sys@svg@thestops\expandafter\space\pgf@temp}%
-}
-
-
-\def\pgfsys@horishading#1#2#3{%
- {%
- \pgf@parsefunc{#3}%
- \global\advance\pgf@sys@svg@objectcount by1\relax%
- \pgf@sys@svg@addtostops{<linearGradient id="pgfsh\the\pgf@sys@svg@objectcount">\noexpand\Hnewline}
- \pgf@sys@svg@shading@stops%
- \pgf@sys@svg@addtostops{</linearGradient>\noexpand\Hnewline}%
- \pgf@process{\pgfpoint{\pgf@sys@shading@end@pos}{#2}}%
- \expandafter\xdef\csname @pgfshading#1!\endcsname{%
- \def\noexpand\pgf@sys@svg@sh@defs{\noexpand\pgfsysprotocol@literal{\pgf@sys@svg@thestops}}%
- \def\noexpand\pgf@sys@svg@sh{\noexpand\pgfsysprotocol@literal{<rect
- width="\the\pgf@x"
- height="\the\pgf@y"
- style="fill:url(\noexpand\#pgfsh\the\pgf@sys@svg@objectcount);
- stroke:none"/>\noexpand\Hnewline}}%
- \def\noexpand\pgf@sys@svg@pos{\noexpand\pgfpoint{\the\pgf@x}{\the\pgf@y}}%
- }%
- }%
-}
-
-
-\def\pgfsys@vertshading#1#2#3{%
- {%
- \pgf@parsefunc{#3}%
- \global\advance\pgf@sys@svg@objectcount by1\relax%
- \pgf@sys@svg@addtostops{<linearGradient
- id="pgfsh\the\pgf@sys@svg@objectcount"
- gradientTransform="rotate(90)">\noexpand\Hnewline}
- \pgf@sys@svg@shading@stops%
- \pgf@sys@svg@addtostops{</linearGradient>\noexpand\Hnewline}%
- \pgf@process{\pgfpoint{\pgf@sys@shading@end@pos}{#2}}%
- \expandafter\xdef\csname @pgfshading#1!\endcsname{%
- \def\noexpand\pgf@sys@svg@sh@defs{\noexpand\pgfsysprotocol@literal{\pgf@sys@svg@thestops}}%
- \def\noexpand\pgf@sys@svg@sh{\noexpand\pgfsysprotocol@literal{<rect
- width="\the\pgf@y"
- height="\the\pgf@x"
- style="fill:url(\noexpand\#pgfsh\the\pgf@sys@svg@objectcount);
- stroke:none"/>\noexpand\Hnewline}}%
- \def\noexpand\pgf@sys@svg@pos{\noexpand\pgfpoint{\the\pgf@y}{\the\pgf@x}}%
- }%
- }%
-}
-
-\def\pgfsys@radialshading#1#2#3{%
- {%
- \pgf@parsefunc{#3}%
- \pgf@x=\pgf@sys@shading@end@pos\relax%
- \c@pgf@counta=\pgf@x\relax%
- \divide\c@pgf@counta by4096\relax%
- \global\advance\pgf@sys@svg@objectcount by1\relax%
- \pgf@process{#2}%
- % Divide by 2\pgf@sys@shading@end@pos%
- \pgf@x=8\pgf@x%
- \divide\pgf@x by \c@pgf@counta\relax%
- \pgf@y=8\pgf@y%
- \divide\pgf@y by \c@pgf@counta\relax%
- \advance\pgf@x by.5pt%
- \advance\pgf@y by.5pt%
- \pgf@sys@svg@addtostops{<radialGradient
- id="pgfsh\the\pgf@sys@svg@objectcount"
- fx="\pgf@sys@tonumber\pgf@x"
- fy="\pgf@sys@tonumber\pgf@y"
- >\noexpand\Hnewline}
- \pgf@sys@svg@shading@stops%
- \pgf@sys@svg@addtostops{</radialGradient>\noexpand\Hnewline}%
- \pgf@xa=\pgf@sys@shading@end@pos%
- \pgf@xb=2\pgf@xa%
- \expandafter\xdef\csname @pgfshading#1!\endcsname{%
- \def\noexpand\pgf@sys@svg@sh@defs{\noexpand\pgfsysprotocol@literal{\pgf@sys@svg@thestops}}%
- \def\noexpand\pgf@sys@svg@sh{\noexpand\pgfsysprotocol@literal{<circle
- cx="\the\pgf@xa"
- cy="\the\pgf@xa"
- r="\the\pgf@xa"
- style="fill:url(\noexpand\#pgfsh\the\pgf@sys@svg@objectcount);
- stroke:none"/>\noexpand\Hnewline}}%
- \def\noexpand\pgf@sys@svg@pos{\noexpand\pgfpoint{\the\pgf@xb}{\the\pgf@xb}}%
- }%
- }%
-}
-
-
-% Patterns
-
-\def\pgfsys@declarepattern#1#2#3#4#5#6#7#8#9{%
- % Start building the pattern dictionary:
- \pgf@xa=#2\relax%
- \pgf@ya=#3\relax%
- \pgf@xb=#4\relax%
- \pgf@yb=#5\relax%
- \pgf@xc=#6\relax%
- \pgf@yc=#7\relax%
- \ifnum#9=1\relax%
- % Colored. That's easy:
- \pgfsysprotocol@literal{
- <pattern
- id="pgfpat#1"
- patternUnits="userSpaceOnUse"
- width="\the\pgf@xc"
- height="\the\pgf@yc">
- #8
- </pattern>}%
- \else%
- % Uncolored. Yikes!
- \pgfsysprotocol@literal{
- <pattern
- id="pgfpat#1"
- patternUnits="userSpaceOnUse"
- width="\the\pgf@xc"
- height="\the\pgf@yc"/>
- <symbol id="pgfsym#1">
- #8
- </symbol>}%
- \fi%
-}
-
-\def\pgfsys@setpatternuncolored#1#2#3#4{%
- \global\advance\pgf@sys@svg@objectcount by1\relax%
- \pgf@sys@svg@color@rgb#2,#3,#4\relax%
- \pgfsysprotocol@literal{
- <pattern id="pgfupat\the\pgf@sys@svg@objectcount" xlink:href="\#pgfpat#1">
- <g stroke="\pgf@sys@svg@prepared" fill="\pgf@sys@svg@prepared"> <use xlink:href="\#pgfsym#1"/> </g>
- </pattern>}
- \pgf@sys@svg@gs@color{fill="url(\#pgfupat\the\pgf@sys@svg@objectcount)"}%
-}
-
-\def\pgfsys@setpatterncolored#1{%
- \pgf@sys@svg@gs@color{fill="url(\#pgfpat#1)"}%
-}
-
-
-\endinput
-
-
-%%% Local Variables:
-%%% mode: latex
-%%% End: