% Copyright 2019 by Till Tantau % CMYK and grayscale shadings adaptation copyright 2019 by David Purton % % 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{pgfsys-common-pdf-via-dvi.def} % Common driver commands for all drivers that produce pdf via the % detour of a dvi file % For unique object name: \newcount\pgfsys@objnum\pgfsys@objnum\@ne % Hboxes \def\pgfsys@beginpurepicture{\special{pdf: content q}} \def\pgfsys@imagesuffixlist{.pdf:.jpg:.jpeg:.png:} \def\pgfsys@horishading#1#2#3{% {% \pgf@parsefunc{#3}% \pgf@process{\pgfpoint{\pgf@max}{#2}}% \edef\@temp{\noexpand\pgfutil@insertatbegincurrentpage{\special{pdf: beginxobj @pgfshade\the\pgfsys@objnum\space width \the\pgf@max\space height \the\pgf@y}}}\@temp% \edef\@temp{\noexpand\pgfutil@insertatbegincurrentpage{\special{pdf: put @resources << /Shading << /Sh << /ShadingType 2 /ColorSpace \pgf@shading@device\space /Domain [\pgf@pdfparseddomain] /Coords [\pgf@doma\space0 \pgf@domb\space0] /Function \pgf@pdfparsedfunction /Extend [false false] >> >> >>}}}\@temp% << \pgfutil@insertatbegincurrentpage{\special{pdf: content /Sh sh}% \special{pdf: endxobj}}% \xdef\pgfutil@tempa{% \hbox to\the\pgf@max{\vbox to#2{\vfil\special{pdf: usexobj @pgfshade\the\pgfsys@objnum}}\hfil}}% }% \global\expandafter\let\csname @pgfshading#1!\endcsname=\pgfutil@tempa \global\advance\pgfsys@objnum\@ne } \def\pgfsys@vertshading#1#2#3{% {% \pgf@parsefunc{#3}% \pgf@process{\pgfpoint{\pgf@max}{#2}}% \edef\@temp{\noexpand\pgfutil@insertatbegincurrentpage{\special{pdf: beginxobj @pgfshade\the\pgfsys@objnum\space width \the\pgf@y\space height \the\pgf@max\space}}}\@temp% \edef\@temp{\noexpand\pgfutil@insertatbegincurrentpage{\special{pdf: put @resources << /Shading << /Sh << /ShadingType 2 /ColorSpace \pgf@shading@device\space /Domain [\pgf@pdfparseddomain] /Coords [0 \pgf@doma\space0 \pgf@domb] /Function \pgf@pdfparsedfunction /Extend [false false] >> >> >>}}}\@temp% << \pgfutil@insertatbegincurrentpage{\special{pdf: content /Sh sh}% \special{pdf: endxobj}}% \xdef\pgfutil@tempa{% \hbox to#2{\vbox to\the\pgf@max{\vfil\special{pdf: usexobj @pgfshade\the\pgfsys@objnum}}\hfil}}% }% \global\expandafter\let\csname @pgfshading#1!\endcsname=\pgfutil@tempa \global\advance\pgfsys@objnum\@ne } \def\pgfsys@radialshading#1#2#3{% {% \pgf@parsefunc{#3}% \pgf@process{#2}% \pgf@xa=\pgf@x% \pgf@ya=\pgf@y% \pgf@process{\pgfpoint{\pgf@max}{\pgf@max}}% \advance\pgf@xa by \pgf@x\relax% \advance\pgf@ya by \pgf@y\relax% \pgf@sys@bp@correct{\pgf@x}% \pgf@sys@bp@correct{\pgf@y}% \pgf@sys@bp@correct{\pgf@xa}% \pgf@sys@bp@correct{\pgf@ya}% \pgfutil@tempdima=2\pgf@max\relax% \edef\@temp{\noexpand\pgfutil@insertatbegincurrentpage{\special{pdf: beginxobj @pgfshade\the\pgfsys@objnum\space width \the\pgfutil@tempdima\space height \the\pgfutil@tempdima}}}\@temp% \edef\@temp{\noexpand\pgfutil@insertatbegincurrentpage{\special{pdf: put @resources << /Shading << /Sh << /ShadingType 3 /ColorSpace \pgf@shading@device\space /Domain [\pgf@pdfparseddomain] /Coords [\pgf@sys@tonumber{\pgf@xa} \pgf@sys@tonumber{\pgf@ya} \pgf@doma\space \pgf@sys@tonumber{\pgf@x} \pgf@sys@tonumber{\pgf@y} \pgf@domb] /Function \pgf@pdfparsedfunction /Extend [true false] >> >> >>}}}\@temp% << \pgfutil@insertatbegincurrentpage{\special{pdf: content /Sh sh}% \special{pdf: endxobj}}% \xdef\pgfutil@tempa{% \hbox to\the\pgfutil@tempdima{\vbox to\the\pgfutil@tempdima{\vfil\special{pdf: usexobj @pgfshade\the\pgfsys@objnum}}\hfil}}% }% \global\expandafter\let\csname @pgfshading#1!\endcsname=\pgfutil@tempa \global\advance\pgfsys@objnum\@ne }% \def\pgf@sys@pdf@dvi@tracker{ \def\pgfsys@markposition##1{% \pdfsavepos% \edef\pgf@temp{##1}% \expandafter\write\expandafter\pgfutil@auxout\expandafter{% \expandafter\noexpand\expandafter\pgfsyspdfmark\expandafter{\pgf@temp}{\the\pdflastxpos}{\the\pdflastypos}}% } \def\pgfsyspdfmark##1##2##3{% \expandafter\gdef\csname pgf@sys@pdf@mark@pos@##1\endcsname{\pgfqpoint{##2sp}{##3sp}}% } \def\pgfsys@getposition##1##2{% \edef\pgf@marshal{\let\noexpand##2=\expandafter\noexpand\csname pgf@sys@pdf@mark@pos@##1\endcsname}% \pgf@marshal% } \def\pgf@sys@pdf@mark@pos@pgfpageorigin{\pgfpointorigin} } % % Resource management % \newif\ifpgf@sys@pdf@colorspaces@exists \newif\ifpgf@sys@pdf@patterns@exists \newif\ifpgf@sys@pdf@extgs@exists \newif\ifpgf@sys@pdf@colorspaces@created \newif\ifpgf@sys@pdf@patterns@created \newif\ifpgf@sys@pdf@extgs@created \newif\ifpgf@sys@pdf@any@resources \def\pgf@sys@setuppdfresources@plain{% % This command will setup pdf resource in plain and in latex % mode. ConTeXt has its own handler \pgfutil@insertatbegineverypage{% \pgf@sys@pdf@any@resourcesfalse% \ifpgf@sys@pdf@extgs@exists% \pgf@sys@pdf@any@resourcestrue% \ifpgf@sys@pdf@extgs@created \else \special{pdf: obj @pgfextgs <<>>} \global\pgf@sys@pdf@extgs@createdtrue \fi% << \fi% \ifpgf@sys@pdf@colorspaces@exists% \pgf@sys@pdf@any@resourcestrue% \ifpgf@sys@pdf@colorspaces@created \else \special{pdf: obj @pgfcolorspaces <<>>} \global\pgf@sys@pdf@colorspaces@createdtrue \fi% << \fi% \ifpgf@sys@pdf@patterns@exists% \pgf@sys@pdf@any@resourcestrue% \ifpgf@sys@pdf@patterns@created \else \special{pdf: obj @pgfpatterns <<>>} \global\pgf@sys@pdf@patterns@createdtrue \fi% << \fi% \ifpgf@sys@pdf@any@resources% \special{pdf: put @resources << \ifpgf@sys@pdf@extgs@exists /ExtGState @pgfextgs \fi \ifpgf@sys@pdf@patterns@exists /Pattern @pgfpattern \fi \ifpgf@sys@pdf@colorspaces@exists /ColorSpace @pgfcolorspaces \fi >>}% << \fi% } \def\pgf@sys@addpdfresource@extgs@plain##1{% \global\pgf@sys@pdf@extgs@existstrue% \pgfutil@insertatbegincurrentpage{\special{pdf: put @pgfextgs << ##1 >>}}% << } \def\pgf@sys@addpdfresource@colorspaces@plain##1{% \global\pgf@sys@pdf@colorspaces@existstrue% \pgfutil@insertatbegincurrentpage{\special{pdf: put @pgfcolorspaces << ##1 >>}}% << } \def\pgf@sys@addpdfresource@patterns@plain##1{% \global\pgf@sys@pdf@patterns@existstrue% \pgfutil@insertatbegincurrentpage{\special{pdf: put @pgfpatterns << ##1 >>}}% << } } \pgfutil@setuppdfresources % possibly call the above \endinput %%% Local Variables: %%% mode: latex %%% End: