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%D \module
%D [ file=spec-xtx,
%D version=2004.11.08,
%D title=\CONTEXT\ Special Macros,
%D subtitle=\XETEX\ support,
%D author={Adam Lindsay \& Hans Hagen \& \unknown},
%D date=\currentdate,
%D copyright={Adam Lindsay \& Hans Hagen}]
\unprotect
\definespecial\doinsertfile
{\dofileinsertion{xtx}\@@DriverImageType}
\definefileinsertion{xtx}{jpg}{\xtxhandleotherimage}
\definefileinsertion{xtx}{png}{\xtxhandleotherimage}
\definefileinsertion{xtx}{gif}{\xtxhandleotherimage}
\definefileinsertion{xtx}{tif}{\xtxhandleotherimage}
\definefileinsertion{xtx}{pdf}{\xtxhandlepdfimage }
\def\checkpdfimagepagenumber
{\edef\pdfimagepagenumber
{\ifx\@@DriverImagePage\empty\else\ifnum\@@DriverImagePage>\zerocount
\space page\space\@@DriverImagePage\space
\fi\fi}}
\def\xtxhandleotherimage
{\XeTeXpicfile "\@@DriverImageFile"
\ifdim\@@DriverImageWidth >\zeropoint \!!width \@@DriverImageWidth \space\fi
\ifdim\@@DriverImageHeight>\zeropoint \!!height \@@DriverImageHeight \fi
\relax}
\def\xtxhandlepdfimage
{\checkpdfimagepagenumber
\XeTeXpdffile "\@@DriverImageFile"
\pdfimagepagenumber
\ifdim\@@DriverImageWidth >\zeropoint \!!width \@@DriverImageWidth \space\fi
\ifdim\@@DriverImageHeight>\zeropoint \!!height \@@DriverImageHeight \fi
\relax}
\def\dogetXTXfiguresize
{\setbox\foundexternalfigure\vbox{\XeTeXpicfile "\@@DriverImageFile"\relax}%
\xdef\analyzedfigurewidth {\the\wd\foundexternalfigure}%
\xdef\analyzedfigureheight{\the\ht\foundexternalfigure}}
\def\dogetXTXpdfsize
{\checkpdfimagepagenumber
\setbox\foundexternalfigure\vbox{\XeTeXpdffile "\@@DriverImageFile" \pdfimagepagenumber\relax}%
\xdef\analyzedfigurewidth {\the\wd\foundexternalfigure}%
\xdef\analyzedfigureheight{\the\ht\foundexternalfigure}}
\definefilechecker{xtx}{png}{\dogetXTXfiguresize}
\definefilechecker{xtx}{jpg}{\dogetXTXfiguresize}
\definefilechecker{xtx}{gif}{\dogetXTXfiguresize}
\definefilechecker{xtx}{tif}{\dogetXTXfiguresize}
\definefilechecker{xtx}{pdf}{\dogetXTXpdfsize }
\definespecial\dogetfiguresize
{\dofilechecker{xtx}\@@DriverImageType}
%D The figure object system caused no end of headaches. They all
%D went away with this single line:
\setupexternalfigures[\c!object=\v!no]
\protect \endinput
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