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%%
%% The LaTeX Companion, 3rd ed
%%
%% Example ``article'' class for use with the Companion examples.
%%
%% Copyright (C) 2017-2022 Frank Mittelbach
%%
%% It 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.
%%
%% See https://www.latex-project.org/lppl.txt for details.
%%
%
\LoadClass[twoside]{article}
\ifx\Umathcode\@undefined
\RequirePackage[T1]{fontenc}
\RequirePackage{tgtermes}
\RequirePackage[matchuppercase]{tgheros}
\renewcommand{\ttdefault}{lmtt}
\else % typesetting with LuaLaTex ...
\fi
\let\StartShownPreambleCommands\relax
\let\StopShownPreambleCommands\relax
\let\ps@origplain\ps@plain
\let\ps@plain\ps@empty % this class doesn't produces page numbers
% since this would make examples too big
% but if necessary there is origplain
% fmi: bug fix for kernel + bigfoot
\newinsert\foobarX
\newinsert\foobarY
\newinsert\foobarZ
% Improve \LaTeX and \TeX logo when used with slanted fonts
\DeclareRobustCommand\TeX{T%
\ifdim\fontdimen1\font>\z@ \kern-.04em\fi % new
\kern-.1667em\lower.5ex\hbox{E}%
\ifdim\fontdimen1\font>\z@ \kern.07em\fi % new
\kern-.125emX\@}
\DeclareRobustCommand{\LaTeX}{L%
\ifdim\fontdimen1\font>\z@ \kern.1em\fi % new
\kern-.36em%
{\sbox\z@ T%
\vbox to\ht\z@{\hbox{\check@mathfonts
\fontsize\sf@size\z@
\math@fontsfalse\selectfont
A}%
\vss}%
}%
\kern-.15em%
\TeX}
% Book version restricts to two colors. This is set up in the
% code below after \endinput.
%
\endinput
% As the book is printed in two colors only (black and blue) we need
% to ensure that other colors are replaced by gray if necessary:
%shadings defined in the preamble muss use cmyk:
\PassOptionsToPackage{cmyk}{xcolor}
\AddToHook{package/xcolor/after}{%
\def\XC@col@rlet[#1]#2[#3]#4%
{\begingroup
\edef\@@cls{#1}\XC@edef\@@nam{#2}\XC@sdef\@@mod{#3}\XC@edef\@@clr{#4}%
\XC@info\@@clr\@@tmp\XC@@tstfalse
\ifnum\@@tmp<2 \ifx\@@mod\@empty %instead of =\@ne
\ifx\@@cls\@empty
\XC@@tsttrue
\else
\edef\@@tmp
{\expandafter\expandafter\expandafter\@secondoffive
\csname\@backslashchar color@\@@clr\endcsname}%
\ifx\@@cls\@@tmp\XC@@tsttrue\fi
\fi
\fi\fi
\ifXC@@tst
\XC@logdef\@@nam\XC@c@l@rlet\@@nam\@@clr
\else
\extractcolorspec\@@clr\@@clr
\ifx\@@mod\@empty\else
\expandafter\convertcolorspec\@@clr\@@mod\@@clr
\edef\@@clr{{\@@mod}{\@@clr}}\fi
\edef\@@tmp{\noexpand\XC@definecolor[\@@cls]{\@@nam}\@@clr}%
\fi
\expandafter\endgroup\@@tmp\xglobal@stop}%
}
\ExplSyntaxOn
%if the color is not a spot color, color space shouldn't set it.
%this is a simple test looking if the specification starts with a /:
\AddToHook{package/colorspace/after}{%
\cs_set:cpn {pgfsys@color@&spot@fill} #1{%
\spc@getir{\string\color@pgffillcolor}%
\tl_if_head_eq_charcode:fNT {\spc@ir}/
{
\pgfsysprotocol@literal{\spc@ir\space cs}%
\pgfsysprotocol@literal{#1~sc}
}}
\cs_set:cpn {pgfsys@color@&spot@stroke} #1{%
\spc@getir{\string\color@pgfstrokecolor}%
\tl_if_head_eq_charcode:fNT {\spc@ir}/
{
\pgfsysprotocol@literal{\spc@ir\space CS}%
\pgfsysprotocol@literal{#1~SC}
}}}
%for the deviceN we need to declare a few pgf commands
% they don't harm if not used
\def\pgfsys@color@bluexblack@fill#1#2{
\spc@getir{\string\color@pgffillcolor}
\tl_if_head_eq_charcode:fNT {\spc@ir}/
{
\pgfsysprotocol@literal{\spc@ir\space cs}%
\pgfsysprotocol@literal{#1~#2~scn}
}}
\def\pgfsys@color@bluexblack@stroke#1#2{
\spc@getir{\string\color@pgfstrokecolor}
\tl_if_head_eq_charcode:fNT {\spc@ir}/
{
\pgfsysprotocol@literal{\spc@ir\space CS}%
\pgfsysprotocol@literal{#1~#2~SCN}
}}
\def\pgfsys@color@bluexblack#1#2{\pgfsys@color@bluexblack@stroke{#1}{#2}%
\pgfsys@color@bluexblack@fill{#1}{#2}}
\ExplSyntaxOff
\AddToHook{begindocument/before}{
\ifx\color\@undefined
\else
\def\pgfutil@colorlet#1#2{\colorlet{#1}{#2}}
%in case it hasn't been loaded
\usepackage{xcolor}
%we need natural model when setting up the spot colors
\selectcolormodel{natural}
\usepackage{colorspace}
\definespotcolor{blue}{PANTONE 3005 U}{1,0.56,0,0} % what we call ``blue'' in this book
\definecolorspace{bluexblack}{mixed}{blue,black}
\definecolor{spotblack}{bluexblack}{0,1}
\definecolor{spotblue}{bluexblack}{1,0}
%
\definecolor{red}{gray}{.7}
\definecolor{green}{gray}{.8}
\definecolor{yellow}{gray}{.9}
%
\definecolor{orange}{gray}{.75} % for todo notes
%for shadings defined later
\selectcolormodel{cmyk}
%don't convert colors anymore!
\convertcolorsUfalse
\convertcolorsDfalse
\fi
}
\AtBeginDocument{\IfPackageLoadedTF{crop}{\CROP@defmarkcolor{blue}}{}}
\endinput
|
