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94 lines
2.8 KiB
94 lines
2.8 KiB
% Copyright (c) 2003-2008 Vladimir Volovich <vvv@vsu.ru>
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% cmap package -- download CMap files into PDF
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% to make "search" and "copy-and-paste" functions work properly
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% You may distribute and/or modify this program under the terms of LPPL
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% the program consists of cmap.sty and {t1,t2a,t2b,t2c,t5,ot1,ot1tt,lae,lfe}.cmap
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% Usage: put \usepackage{cmap} immediately after the \documentclass line
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% Thanks to:
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% Han The Thanh
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% Maxim I. Tishin
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% Petr Sojka
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% Werner Lemberg
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% Oleg Katsitadze
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\ProvidesPackage{cmap}[2008/03/06 v1.0h CMap support: searchable PDF]
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\DeclareOption{resetfonts}{%
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\@for\reserved@a:=%
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OT1/cmr/m/n/5,OT1/cmr/m/n/7,OT1/cmr/m/n/10,%
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OML/cmm/m/it/5,OML/cmm/m/it/7,OML/cmm/m/it/10,%
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OMS/cmsy/m/n/5,OMS/cmsy/m/n/7,OMS/cmsy/m/n/10,%
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OMX/cmex/m/n/10%
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\do{%
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\expandafter\let\csname\reserved@a\endcsname\relax
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}%
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}
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\ProcessOptions
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\@ifundefined{pdffontattr}{%
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% The cmap package can be used only with pdflatex,
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% but not with ordinary latex
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\PackageWarningNoLine{cmap}{pdftex not detected - exiting}%
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\endinput
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}\relax
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\ifnum\pdfoutput<1
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\PackageWarningNoLine{cmap}{pdftex in DVI mode - exiting}
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\expandafter\endinput
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\fi
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\edef\reserved@a{\noexpand\in@{,fontenc.sty,}{\@filelist}}% enc.def
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\reserved@a
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\ifin@
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\PackageWarningNoLine{cmap}{fontenc already loaded - some fonts may be unprocessed}
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\fi
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%\@ifpackageloaded{babel}{%
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%\PackageWarningNoLine{cmap}{babel already loaded - some fonts may be unprocessed}%
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%}\relax
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\def\extract@font{%
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\get@external@font
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\global\expandafter\font\font@name\external@font\relax
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\font@name\relax
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\cmap@hook
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\csname\f@encoding+\f@family\endcsname
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\csname\curr@fontshape\endcsname
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\relax
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}
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\def\cmap@load{%
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\edef\reserved@f{\lowercase{\def\noexpand\reserved@f{\cmap@f@encoding.cmap}}}%
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\reserved@f
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\IfFileExists{\reserved@f}{%
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\immediate\pdfobj stream
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%attr {/Type /CIDFile}
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file {\reserved@f}%
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\expandafter\xdef\csname cmap@set@\cmap@f@encoding\endcsname{%
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\noexpand\expandafter\pdffontattr\noexpand\font@name{/ToUnicode \the\pdflastobj\space 0 R}}%
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}{%
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\global\expandafter\let\csname cmap@set@\cmap@f@encoding\endcsname\empty
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}%
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}
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\def\cmap@test@tt{%
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\ifdim\fontdimen3\font@name=\z@
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\ifdim\fontdimen4\font@name=\z@
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\begingroup
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\ifdim\fontcharwd\font@name`\i=\fontcharwd\font@name`\w
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\edef\reserved@f{\lowercase{\def\noexpand\reserved@f{\cmap@f@encoding tt.cmap}}}%
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\reserved@f
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\IfFileExists{\reserved@f}{\xdef\cmap@f@encoding{\cmap@f@encoding tt}}\relax
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\fi
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\endgroup
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\fi
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\fi
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}
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\def\cmap@hook{%
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\@ifundefined{CJK@plane}{%
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\edef\cmap@f@encoding{\f@encoding}%
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}{%
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\edef\cmap@f@encoding{\f@encoding\CJK@plane}%
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}%
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\cmap@test@tt
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\@ifundefined{cmap@set@\cmap@f@encoding}{\cmap@load}\relax
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\csname cmap@set@\cmap@f@encoding\endcsname
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}
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\endinput
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