latex2e-20170101/support/color.cfg

   1 % https://creativecommons.org/publicdomain/zero/1.0/
   2
   3 \ProvidesFile{color.cfg}%
   4   [2016/01/02 v1.6 sample color configuration]
   5
   6 % Select an appropriate default driver
   7 \begingroup
   8   \chardef\x=0\relax
   9   % check luatex
  10   \ifx\luatexversion\@undefined
  11   % check pdfTeX
  12   \@ifundefined{pdfoutput}{}{%
  13     \ifnum\pdfoutput<1 %
  14     \else
  15       \chardef\x=1\relax
  16     \fi
  17   }%
  18   % check VTeX
  19   \@ifundefined{OpMode}{}{%
  20     \chardef\x=2\relax
  21   }%
  22   % check XeTeX
  23   \@ifundefined{XeTeXversion}{}{%
  24     \chardef\x=3\relax
  25   }%
  26   \else
  27     \ifnum\luatexversion>85
  28       \ifnum\outputmode>0
  29       \chardef\x=4\relax
  30       \fi
  31     \else
  32       \ifnum\pdfoutput>0
  33       \chardef\x=1\relax
  34       \fi
  35     \fi
  36   \fi
  37 \expandafter\endgroup
  38 \ifcase\x
  39   % default case
  40   \def\Gin@driver{dvips.def}%
  41   \ExecuteOptions{dvips}%
  42 \or
  43   % pdfTeX is running in pdf mode
  44   \def\Gin@driver{pdftex.def}%
  45   \ExecuteOptions{pdftex}%
  46 \or
  47   % VTeX is running
  48   \def\Gin@driver{vtex.def}%
  49   \ExecuteOptions{vtex}%
  50 \or
  51   % XeTeX is running
  52   \def\Gin@driver{xetex.def}%
  53   \ExecuteOptions{xetex}%
  54 \or
  55   % luatex (> 0.85)
  56   \def\Gin@driver{luatex.def}%
  57   \ExecuteOptions{luatex}%
  58 \else
  59   \PackageError{color}{Unexpected configuration}{}
  60 \fi
  61 \endinput