% 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-xetex.def,v 1.9 2013/07/16 16:03:13 tantau Exp $

\input pgfsys-dvipdfmx.def

\def\pgfsys@dvipdfmx@patternobj#1{%
	% I have NO idea why this is necessary for xdvipdfmx - but without
	% it, it crashes.
	\pgfutil@insertatbegincurrentpagefrombox{#1}%
}%

% XeTeX supports pdftex commands for paper size
\def\pgfsys@papersize#1#2{%
  \pdfpageheight#2%
  \pdfpagewidth#1}
  
\def\pgfsys@global@papersize#1#2{%
  \global\pdfpageheight#2%
  \global\pdfpagewidth#1}
  

% Xetex does not support interpolate and not mask
\def\pgfsys@defineimage{% width, height, page number
  \ifx\includegraphics\undefined
    \ifx\pgf@imagewidth\pgfutil@empty\edef\pgf@imagewidth{1bp}\fi% width?
    \ifx\pgf@imageheight\pgfutil@empty\edef\pgf@imageheight{1bp}\fi% height?
    \ifx\pgf@imagepage\pgfutil@empty\else\edef\pgf@imagepage{ page \pgf@imagepage}\fi%
    \ifx\pgf@imageinterpolate\pgfutil@empty\else\edef\pgf@imageinterpolate{ /Interpolate\space\pgf@imageinterpolate}\fi%
    \ifx\pgf@imagemask\pgfutil@empty\else\xdef\pgf@imagemask{ /SMask @\pgf@imagemask}\fi%
    \edef\pgf@image{\noexpand\hbox to \pgf@imagewidth{\vbox to \pgf@imageheight{\vfil\special{pdf:image width \pgf@imagewidth\space height \pgf@imageheight\space\pgf@imagepage\space(\pgf@filename) <<\pgf@imageinterpolate\pgf@imagemask\space>>}}\hfil}}%
  \else
    \ifx\pgf@imagewidth\pgfutil@empty\else\edef\pgf@imagewidth{width=\pgf@imagewidth,}\fi%
    \ifx\pgf@imageheight\pgfutil@empty\else\edef\pgf@imageheight{height=\pgf@imageheight,}\fi%
    \ifx\pgf@imagepage\pgfutil@empty\else\edef\pgf@imagepage{page=\pgf@imagepage,}\fi%
    \edef\pgf@image{\noexpand\includegraphics[\pgf@imageheight\pgf@imagewidth\pgf@imagepage]{\pgf@filename}}%
  \fi%
}
  
% XeTeX supports position tracking, now
\def\pgfsys@markposition#1{%
  \pdfsavepos%
  \edef\pgf@temp{#1}%
  \expandafter\pgfutil@writetoaux\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{\pgfqpoint{2\hoffset}{0pt}}

\ifx\paperheight\@undefined
\else
  \pdfpagewidth\paperwidth
  \pdfpageheight\paperheight % this is to work around a positioning problem in xetex.
\fi



\endinput
