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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /macros/latex/contrib/graphics-def/pdftex.def
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+%% pdftex.def Copyright (C) 2000-2015 David Carlisle, Sebastian Rahtz,
+%% Hans Hagen, Heiko Oberdiek and
+%% Martin Schr\"oder
+%% Copyright (C) 2016-2018 LaTeX3 project and Heiko Oberdiek
+%%
+%% This work may be distributed and/or modified under the
+%% conditions of the LaTeX Project Public License, either version 1.3c
+%% of this license or (at your option) any later version.
+%% The latest version of this license is in
+%% http://www.latex-project.org/lppl.txt
+%% and version 1.3c or later is part of all distributions of LaTeX
+%% version 2005/12/01 or later.
+%%
+%% This work has the LPPL maintenance status `maintained'.
+%%
+%% The Current Maintainer of this work is the LaTeX3 Project.
+%%
+%% https://github.com/latex3/graphics-def/issues
+%%
+\ProvidesFile{pdftex.def}
+ [2018/01/08 v1.0l Graphics/color driver for pdftex]
+\def\GPT@space{ }
+\def\c@lor@arg#1{%
+ \dimen@#1\p@
+ \ifdim\dimen@<\z@\dimen@\maxdimen\fi
+ \ifdim\dimen@>\p@
+ \PackageError{color}{Argument `#1' not in range [0,1]}\@ehd
+ \fi}
+\def\color@gray#1#2{%
+ \c@lor@arg{#2}%
+ \edef#1{#2 g #2 G}%
+ }
+\def\color@cmyk#1#2{\c@lor@@cmyk#2\@@#1}
+\def\c@lor@@cmyk#1,#2,#3,#4\@@#5{%
+ \c@lor@arg{#4}%
+ \c@lor@arg{#1}%
+ \c@lor@arg{#2}%
+ \c@lor@arg{#3}%
+ \edef#5{#1 #2 #3 #4 k #1 #2 #3 #4 K}%
+ }
+\def\color@rgb#1#2{\c@lor@@rgb#2\@@#1}
+\def\c@lor@@rgb#1,#2,#3\@@#4{%
+ \c@lor@arg{#1}%
+ \c@lor@arg{#2}%
+ \c@lor@arg{#3}%
+ \edef#4{#1 #2 #3 rg #1 #2 #3 RG}%
+ }
+\def\color@RGB#1#2{\c@lor@@RGB#2\@@#1}
+\def\c@lor@@RGB#1,#2,#3\@@#4{%
+ \c@lor@RGB@rgb{#1}\@tempa
+ \c@lor@RGB@rgb{#2}\@tempb
+ \c@lor@RGB@rgb{#3}\@tempc
+ \c@lor@@rgb\@tempa,\@tempb,\@tempc\@@#4%
+ }
+\def\c@lor@RGB@rgb#1#2{%
+ \dimen@#1\p@
+ \divide\dimen@\@cclv
+ \edef#2{\strip@pt\dimen@}}
+\def\color@named#1#2{\c@lor@@named#2,,\@@#1}
+\def\c@lor@@named#1,#2,#3\@@#4{%
+ \@ifundefined{col@#1}%
+ {\PackageError{color}{Undefined color `#1'}\@ehd}%
+ {\edef#4{\csname col@#1\endcsname}}%
+ }
+\chardef\main@pdfcolorstack=0 %
+\@ifundefined{@pdfcolorstack}
+ {\def\@pdfcolorstack{\main@pdfcolorstack}}{}
+\def\current@color{0 g 0 G}
+\def\set@color{%
+ \pdfcolorstack\@pdfcolorstack push{\current@color}%
+ \aftergroup\reset@color}
+\def\reset@color{\pdfcolorstack\@pdfcolorstack pop\relax}
+\newif\ifGPT@pagecolor
+\begingroup\expandafter\expandafter\expandafter\endgroup
+\expandafter\ifx\csname currentgrouplevel\endcsname\relax
+ \catcode`X=9 % ignore
+ \catcode`E=14 % comment
+\else
+ \catcode`X=14 % comment
+ \catcode`E=9 % ignore
+\fi
+\def\set@page@color{%
+ \global\GPT@pagecolortrue
+ \global\let\current@page@color\current@color
+ \@ifundefined{GPT@outputbox}{%
+ % \newbox is outer in plain
+ \csname newbox\endcsname\GPT@outputbox
+ }{}%
+ \@ifundefined{GPTorg@shipout}{%
+ \global\let\GPTorg@shipout\shipout
+ \gdef\shipout{%
+X % ensure \GPT@outputbox is really void
+X \begingroup
+X \setbox\GPT@outputbox=\box\GPT@outputbox
+X \endgroup
+E \edef\GPT@saved@grouplevel{\number\currentgrouplevel}%
+ \afterassignment\GPT@shipout
+ \global\setbox\GPT@outputbox=%
+ }%
+ \gdef\GPT@shipout{%
+X \ifvoid\GPT@outputbox\relax
+E \ifnum\GPT@saved@grouplevel=\currentgrouplevel
+E \else
+ \expandafter\aftergroup
+ \fi
+ \GPT@@shipout
+ }%
+ \gdef\GPT@@shipout{%
+ \ifvoid\GPT@outputbox\relax
+ \PackageInfo{pdftex.def}{Ignoring void output box}%
+ \else
+ \setbox\GPT@outputbox=\vbox{%
+ \GPT@pageliteral
+ \box\GPT@outputbox
+ }%
+ \GPTorg@shipout\box\GPT@outputbox\relax
+ \fi
+ }%
+ \gdef\GPT@pageliteral{%
+ \ifGPT@pagecolor
+ \pdfliteral page{%
+ q % gsave
+ \current@page@color\GPT@space
+ n % newpath
+ 0 0 \strip@pt\pdfpagewidth\GPT@space
+ \strip@pt\pdfpageheight\GPT@space re % rectangle
+ % there is no need to convert to bp
+ f % fill
+ Q% grestore
+ }%
+ \fi
+ }%
+ }{}%
+}
+\catcode`\X=11 %
+\catcode`\E=11 %
+\def\define@color@named#1#2{%
+ \expandafter\edef\csname col@#1\endcsname{#2}}
+\def\no@page@color{%
+ \global\GPT@pagecolorfalse
+}
+\AtBeginDocument{%
+ \def\KV@Gin@bbllx{%
+ \PackageError{pdftex.def}{%
+ Options `bblly', `bblly', `bburx' and `bbury'\MessageBreak
+ are not supported by pdftex driver:\MessageBreak
+ use `viewport' instead%
+ }\@ehc
+ }%
+ \let\KV@Gin@bblly\KV@Gin@bbllx
+ \let\KV@Gin@bburx\KV@Gin@bbllx
+ \let\KV@Gin@bbury\KV@Gin@bbllx
+ \def\KV@Gin@bb{%
+ \PackageInfo{pdftex.def}%
+ {Option `bb' equivalent to `viewport' with pdftex driver}%
+ \KV@Gin@viewport
+ }%
+}
+\def\Gread@pdftex#1{%
+ \expandafter\ifx\expandafter\relax\pdffilesize{#1}\relax
+ \expandafter\@secondoftwo
+ \else
+ \expandafter\@firstoftwo
+ \fi
+ {\Gread@@pdftex{#1}}%
+ {%
+ \def\Gin@llx{0}%
+ \let\Gin@lly\Gin@llx
+ \def\Gin@urx{72}%
+ \let\Gin@ury\Gin@urx
+ \ifGin@draft
+ \else
+ \PackageError{pdftex.def}{File `#1' not found: using draft setting}%
+ \@ehc
+ \Gin@drafttrue
+ \fi
+ }%
+}
+\let\Gin@attr@hash\@empty
+\@ifundefined{Gin@decode}
+ {\let\Gin@decode\@empty}
+ {}
+\@ifundefined{Gin@log}
+ {\let\Gin@log\wlog}
+ {}
+\@ifundefined{Gin@page}
+ {\let\Gin@page\@empty}
+ {}
+\def\GPT@page{\Gin@page}
+\@ifundefined{Gin@pagebox}
+ {\def\Gin@pagebox{cropbox}}
+ {}
+\def\GPT@cropbox{cropbox}
+\@ifundefined{Gin@interpolate}
+ {\csname newif\endcsname\ifGin@interpolate}
+ {}
+\def\Gread@@pdftex#1{%
+ \edef\Gin@attr@hash{%
+ \ifx\Gin@pagebox\@empty
+ \else
+ :\Gin@pagebox
+ \fi
+ \ifx\Gin@page\@empty
+ \else
+ :P\Gin@page
+ \fi
+ \ifx\Gin@decode\@empty\else
+ :D[\Gin@decode]%
+ \fi
+ \ifGin@interpolate
+ :I%
+ \fi
+ }%
+ \@ifundefined{#1 image\Gin@attr@hash}%
+ {%
+ \pdfximage
+ \ifnum0%
+ \ifx\Gin@decode\@empty\else 1\fi
+ \ifGin@interpolate 1\fi
+ >0 %
+ attr{%
+ \ifx\Gin@decode\@empty\else/Decode[\Gin@decode]\fi
+ \ifGin@interpolate/Interpolate true\fi
+ }%
+ \fi
+ \ifx\Gin@page\@empty\else page \Gin@page\fi
+ \Gin@pagebox
+ {#1}%
+ \setbox\@tempboxa=\hbox{\pdfrefximage\pdflastximage}%
+ \def\Gin@llx{0}\let\Gin@lly\Gin@llx
+ \Gin@defaultbp\Gin@urx{\wd\@tempboxa}%
+ \Gin@defaultbp\Gin@ury{\ht\@tempboxa}%
+ \expandafter\xdef\csname #1 image\Gin@attr@hash\endcsname
+ {\pdfrefximage\the\pdflastximage}%
+ \expandafter\xdef\csname #1 height\Gin@attr@hash\endcsname
+ {\the\ht\@tempboxa}%
+ \expandafter\xdef\csname #1 width\Gin@attr@hash\endcsname
+ {\the\wd\@tempboxa}%
+ \Gin@log{%
+ <#1, %
+ id=\the\pdflastximage, %
+ \ifx\Gin@page\@empty\else page=\Gin@page , \fi
+ \ifx\Gin@pagebox\@empty\else\ifx\Gin@pagebox\GPT@cropbox\else
+ pagebox=\Gin@pagebox , \fi\fi
+ \ifx\Gin@decode\@empty\else decode=[\Gin@decode], \fi
+ \ifGin@interpolate interpolate=true, \fi
+ \the\wd\@tempboxa\GPT@space x \the\ht\@tempboxa
+ >%
+ }%
+ }{%
+ \def\Gin@llx{0}\let\Gin@lly\Gin@llx
+ \Gin@defaultbp\Gin@urx{\csname #1 width\Gin@attr@hash\endcsname}%
+ \Gin@defaultbp\Gin@ury{\csname #1 height\Gin@attr@hash\endcsname}%
+ }%
+}
+\def\Gread@png#1{%
+ \let\Gin@page\@empty
+ \let\Gin@pagebox\@empty
+ \Gread@pdftex{#1}%
+}
+\let\Gread@jpg\Gread@png
+\expandafter\let\csname Gread@jbig2\endcsname\Gread@png
+\def\Gread@pdf#1{%
+ \let\Gin@decode\@empty
+ \Gin@interpolatefalse
+ \Gread@pdftex{#1}%
+}
+\let\Gread@mps\Gread@eps
+\def\GPT@setup@scale{%
+ \def\@tempa{!}%
+ \ifx\Gin@scaley\@tempa
+ \let\Gin@scaley\Gin@scalex
+ \else
+ \ifx\Gin@scalex\@tempa\let\Gin@scalex\Gin@scaley\fi
+ \fi
+}
+\def\Ginclude@pdftex#1{%
+ \GPT@setup@scale
+ \Gin@log{%
+ <use #1%
+ \ifx\Gin@page\@empty\else, page \Gin@page\fi
+ >%
+ }%
+ \PackageInfo{pdftex.def}{%
+ #1 \ifx\Gin@page\@empty\else, page\Gin@page\fi
+ \GPT@space used\on@line.\MessageBreak
+ Requested size: %
+ \the\Gin@req@width\GPT@space x \the\Gin@req@height
+ \ifx\documentclass\@undefined\else\expandafter\@gobble\fi
+ }%
+ \Ginclude@@pdftex{\@nameuse{#1 image\Gin@attr@hash}}%
+}
+\def\Ginclude@mps#1{%
+ \GPT@setup@scale
+ \Ginclude@@pdftex{\convertMPtoPDF{#1}{1}{1}}%
+}
+\def\Ginclude@@pdftex#1{%
+ \hbox{%
+ \Gscale@box{\Gin@scalex}[\Gin@scaley]{%
+ \@ifundefined{Gin@vllx}{%
+ \GPT@viewportfalse
+ % without viewport/trim clipping does not make sense
+ % for pdfTeX
+ \Gin@clipfalse
+ }{}%
+ \ifGin@clip
+ \if!\Gin@vllx\Gin@vlly\Gin@vurx\Gin@vury!%
+ \else
+ \let\GPT@clipend\GPT@DoClipEnd
+ \setbox\@tempboxa\hbox\bgroup
+ \fi
+ \fi
+ \ifGPT@viewport
+ \ifdim\Gin@vlly\p@=\z@
+ \else
+ \lower\Gin@vlly bp\hbox\bgroup
+ \fi
+ \ifdim\Gin@vllx\p@=\z@
+ \else
+ \hskip-\Gin@vllx bp\relax
+ \fi
+ \fi
+ #1%
+ \ifGPT@viewport
+ \ifdim\Gin@vlly\p@=\z@
+ \else
+ \egroup
+ \fi
+ \GPT@clipend
+ \fi
+ }%
+ }%
+}
+\newif\ifGPT@viewport
+\GPT@viewporttrue
+\let\GPT@clipend\relax
+\def\GPT@DoClipEnd{%
+ \egroup
+ \dp\@tempboxa\z@
+ % \Gin@urx and \Gin@ury already contain the correct values,
+ % so both cases viewport and trim can be handled together:
+ \dimen@\Gin@urx\p@
+ \advance\dimen@ -\Gin@llx\p@
+ \wd\@tempboxa\strip@pt\dimen@ bp\relax
+ \dimen@\Gin@ury\p@
+ \advance\dimen@ -\Gin@lly\p@
+ \ht\@tempboxa\strip@pt\dimen@ bp\relax
+ \pdfxform\@tempboxa
+ \pdfrefxform\pdflastxform
+}
+\let\Ginclude@png\Ginclude@pdftex
+\let\Ginclude@jpg\Ginclude@pdftex
+\let\Ginclude@pdf\Ginclude@pdftex
+\expandafter\let\csname Ginclude@jbig2\endcsname\Ginclude@pdftex
+\def\GPT@MatrixIdentity{1 0 0 1}
+\def\GPT@Zero{0}
+\def\GPT@Minus{-}
+\def\GPT@NormalizeNumber#1{%
+ \edef#1{#1}%
+ \edef#1{\expandafter\zap@space#1 \@empty}%
+ \edef#1{\expandafter\GPT@ZapPlus#1+\@nil}%
+ \edef#1{\expandafter\GPT@ZapMinusMinus#1--\@nil}%
+ \expandafter\GPT@Split#1..\@nil
+ \ifx\GPT@frac\@empty
+ \else
+ \edef\GPT@frac{%
+ \expandafter\GPT@Reverse\expandafter{\expandafter}\GPT@frac\@nil
+ }%
+ \edef\GPT@frac{%
+ \expandafter\GPT@ZapLeadingZeros\GPT@frac\@empty
+ }%
+ \ifx\GPT@frac\@empty
+ \else
+ \edef\GPT@frac{%
+ \expandafter\GPT@Reverse\expandafter{\expandafter}\GPT@frac\@nil
+ }%
+ \fi
+ \fi
+ \edef\GPT@sign{\expandafter\@car\GPT@int\@empty\@nil}%
+ \ifx\GPT@sign\GPT@Minus
+ \edef\GPT@int{\expandafter\@cdr\GPT@int\@nil}%
+ \else
+ \def\GPT@sign{}%
+ \fi
+ \edef\GPT@int{%
+ \expandafter\GPT@ZapLeadingZeros\GPT@int\@empty
+ }%
+ \edef\GPT@temp{\GPT@int\GPT@frac}%
+ \ifx\GPT@temp\@empty
+ \def#1{0}%
+ \else
+ \edef#1{%
+ \GPT@sign
+ \GPT@int
+ \ifx\GPT@frac\@empty
+ \else
+ .\GPT@frac
+ \fi
+ }%
+ \fi
+}
+\def\GPT@ZapPlus#1+#2\@nil{%
+ #1%
+ \ifx\@empty#2\@empty
+ \expandafter\@gobble
+ \else
+ \expandafter\@firstofone
+ \fi
+ {%
+ \GPT@ZapPlus#2\@nil
+ }%
+}
+\def\GPT@ZapMinusMinus#1--#2\@nil{%
+ #1%
+ \ifx\@empty#2\@empty
+ \expandafter\@gobble
+ \else
+ \expandafter\@firstofone
+ \fi
+ {%
+ \GPT@ZapMinusMinus#2\@nil
+ }%
+}
+\def\GPT@Split#1.#2.#3\@nil{%
+ \def\GPT@int{#1}%
+ \ifx\@empty#2\@empty
+ \let\GPT@frac\@empty
+ \else
+ \def\GPT@frac{#2}%
+ \fi
+}
+\def\GPT@Reverse#1#2#3\@nil{%
+ \ifx\@empty#3\@empty
+ #2#1%
+ \expandafter\@gobble
+ \else
+ \expandafter\@firstofone
+ \fi
+ {%
+ \GPT@Reverse{#2#1}#3\@nil
+ }%
+}
+\def\GPT@ZapLeadingZeros#1{%
+ \ifx0#1%
+ \expandafter\GPT@ZapLeadingZeros
+ \else
+ #1%
+ \fi
+}
+\def\Grot@start{%
+ \GPT@NormalizeNumber\Grot@sin
+ \GPT@NormalizeNumber\Grot@cos
+ \edef\GPT@temp{%
+ \Grot@cos\GPT@space\Grot@sin\GPT@space
+ \if-\Grot@sin
+ \else
+ \ifx\Grot@sin\GPT@Zero
+ \GPT@Zero
+ \else
+ -\Grot@sin
+ \fi
+ \fi
+ \GPT@space\Grot@cos
+ }%
+ \ifx\GPT@temp\GPT@MatrixIdentity
+ \def\Grot@end{}%
+ \else
+ \pdfsave
+ \pdfsetmatrix{\GPT@temp}%
+ % Slightly hacky, but set width of box 0 to 0pt otherwise
+ % the CTM gets restored in the wrong place
+ \wd\z@\z@
+ \fi
+}
+\def\Grot@end{\pdfrestore}
+\def\Gscale@start{%
+ \GPT@NormalizeNumber\Gscale@x
+ \GPT@NormalizeNumber\Gscale@y
+ \edef\GPT@temp{%
+ \Gscale@x\GPT@space0 0 \Gscale@y
+ }%
+ \ifx\GPT@temp\GPT@MatrixIdentity
+ \def\Gscale@end{}%
+ \else
+ \pdfsave
+ \pdfsetmatrix{\GPT@temp}%
+ \fi
+}
+\def\Gscale@end{\pdfrestore}
+\@ifundefined{ifGin@setpagesize}
+ {\expandafter\let\csname ifGin@setpagesize\expandafter\endcsname
+ \csname iftrue\endcsname}
+ {}
+\ifGin@setpagesize
+\ifx\paperwidth\@undefined\else
+ \AtBeginDocument{%
+% If a package has changed \mag, assume it knows what it is doing
+% and leave page size alone
+\ifnum\mag=\@m
+ \@ifundefined{stockwidth}{%
+ \@ifundefined{paperwidth}{%
+ }{%
+ \ifdim\paperwidth>0pt\relax
+ \ifdim\paperheight>0pt\relax
+ \pdfpagewidth=\paperwidth
+ \pdfpageheight=\paperheight
+ \fi
+ \fi
+ }%
+}{%
+ \ifdim\stockwidth>0pt\relax
+ \ifdim\stockheight>0pt\relax
+ \pdfpagewidth=\stockwidth
+ \pdfpageheight=\stockheight
+ \fi
+ \fi
+}%
+\fi
+}
+\fi
+\fi
+\def\Gin@extensions{%
+ .pdf,.png,.jpg,.mps,.jpeg,.jbig2,.jb2,%
+ .PDF,.PNG,.JPG,.JPEG,.JBIG2,.JB2%
+}
+\@namedef{Gin@rule@.jpg}#1{{jpg}{.jpg}{#1}}
+\@namedef{Gin@rule@.jpeg}#1{{jpg}{.jpeg}{#1}}
+\@namedef{Gin@rule@.JPG}#1{{jpg}{.JPG}{#1}}
+\@namedef{Gin@rule@.JPEG}#1{{jpg}{.JPEG}{#1}}
+\@namedef{Gin@rule@.jb2}#1{{jbig2}{.jb2}{#1}}%
+\@namedef{Gin@rule@.jbig2}#1{{jbig2}{.jbig2}{#1}}%
+\@namedef{Gin@rule@.png}#1{{png}{.png}{#1}}
+\@namedef{Gin@rule@.PNG}#1{{png}{.PNG}{#1}}
+\@namedef{Gin@rule@.mps}#1{{mps}{.mps}{#1}}
+\@namedef{Gin@rule@.pdf}#1{{pdf}{.pdf}{#1}}
+\@namedef{Gin@rule@.PDF}#1{{pdf}{.PDF}{#1}}
+\@namedef{Gin@rule@.eps}#1{{eps}{.eps}{#1}}
+% MPS conversion
+\def\GPT@LoadSuppPdf{%
+ \@ifundefined{convertMPtoPDF}{%
+ \edef\@tempa{%
+ \catcode`\noexpand\<\the\catcode`\<\relax
+ \catcode`\noexpand\>\the\catcode`\>\relax
+ \catcode`\noexpand\=\the\catcode`\=\relax
+ }%
+ \@makeother\<\@makeother\>\@makeother\=%
+ % supp-pdf.mkii tests against \undefined:
+ % just in case someone has defined it ...
+ \let\GPT@orig@undefined\undefined
+ \let\undefined\@undefined
+ \InputIfFileExists{supp-pdf.mkii}{}{}%
+ \let\undefined\GPT@orig@undefined
+ \@tempa
+ }{%
+ % supp-pdf is probably already loaded.
+ }%
+ % If supp-pdf is not available, \convertMPtoPDF generates
+ % an error message. \providecommand inside the third argument
+ % of \InputIfFileExists will not work:
+ % * \InputIfFileExists has problems with parameters (#1).
+ % * Implementation of \providecommand is insufficient in miniltx.tex
+ \@ifundefined{convertMPtoPDF}{%
+% 2016/05/21 v0.01c use \newcommand here not \newcommand* graphics/4472
+\newcommand{\convertMPtoPDF}[3]{%
+ \PackageError{pdftex.def}{%
+ Cannot convert ##1 from MPS to PDF.
+ The support file `supp-pdf.mkii' (supp-pdf.tex) is missing%
+ }{%
+ The graphics driver for pdfTeX needs `supp-pdf.mkii'
+ (or `supp-pdf.tex' and/or `supp-mis.tex')
+ to convert MetaPost output files to PDF.
+ These files are part of ConTeXt and can also be found here:%
+ \GPT@space\GPT@space CTAN:macros/pdftex/graphics/.
+ You'll get more errors if you'll continue now.%
+ }%
+ }%
+ }{}%
+ \let\GPT@LoadSuppPdf\relax
+}
+\AtBeginDocument{%
+ \GPT@LoadSuppPdf
+}
+% Load package epstopdf if
+% a) LaTeX is running (plain TeX users are on their own),
+% b) and shell escape (\write18) is enabled (possibly restricted),
+% c) and \DoNotLoadEpstopdf either does not exist or is not \relax,
+% d) and neither pst-pdf nor pdftricks is loaded (by \begin{document}).
+%
+% In other words, by default .eps files will be automatically
+% converted to .pdf files when outputting pdf. This can be wrong!
+% If the .pdf is the source, rather than the .eps, you should put
+% \newcommand{\DoNotLoadEpstopdf}{}
+% before even the \documentclass line of your document.
+%
+% More information about the epstopdf run will be in the .log file;
+% see http://ctan.org/pkg/epstopdf-pkg for more info about the
+% epstopdf package itself. In turn, it calls the epstopdf script
+% (http://ctan.org/pkg/epstopdf).
+%
+% For the first discussion and background on this, see the thread on latex-l:
+% http://thread.gmane.org/gmane.comp.tex.latex.latex3/1465
+%
+\begingroup\expandafter\expandafter\expandafter\endgroup
+\expandafter\ifx\csname DoNotLoadEpstopdf\endcsname\relax
+ \begingroup\expandafter\expandafter\expandafter\endgroup
+ \expandafter\ifx\csname AtEndOfPackage\endcsname\relax
+ \else
+ \AtEndOfPackage{%
+ \AtBeginDocument{%
+ \ifx\includegraphics\@undefined\else
+ \@ifpackageloaded{pst-pdf}{}{%
+ \@ifpackageloaded{pdftricks}{}{%
+ \@ifpackageloaded{graphics}{%
+ \ifnum\pdfshellescape>0 %
+ % only add .eps to file extension list if epstopdf is loaded
+ \edef\Gin@extensions{\Gin@extensions,.eps}%
+ \RequirePackage{epstopdf-base}[2009/07/12]%
+ \fi}{}
+ }% pdftricks not loaded
+ }% pst-pdf not loaded
+ \fi
+ }% AtBeginDocument block
+ }% AtEndofPackage block
+ \fi % AtEndofPackage not defined
+\fi % DoNotLoadEpstopdf not defined
+\endinput