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-% lollipop-fonts.tex copyright 1992/3 Victor Eijkhout
-% copyright 2014--2016 Vafa Khalighi
-%
-%
-% This program is free software: you can redistribute it and/or modify
-% it under the terms of the GNU General Public License as published by
-% the Free Software Foundation, either version 3 of the License, or
-% (at your option) any later version.
-%
-% This program is distributed in the hope that it will be useful,
-% but WITHOUT ANY WARRANTY; without even the implied warranty of
-% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-% GNU General Public License for more details.
-%
-% You should have received a copy of the GNU General Public License
-% along with this program. If not, see <http://www.gnu.org/licenses/>.
-%
-%
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%%%%%%%%% Font selection macros %%%%%%%%%%%
-
-%%%%
-%%%% Text Fonts
-%%%%
-
-\NewTrace:font
-
-% User commands to change the three parameters
-
-% \Typeface:FACE
-% \F@name <-- FACE
-%
-\def\Typeface:#1
- {\if\UndefinedCS{#1@code}\Wmessage{Undefined typeface: `#1'}\fi
- \def\F@name{#1}}
-\let\TypeFace\Typeface
-
-% \Pointsize:NN
-% \Fsize <-- NN
-% compute script/sscript sizes
-% if necessary install math fonts
-%
-\def\PointSize:#1 {\tempcounta=\@ww{#1}%
- \edef\Fsize{\the\tempcounta}%this line is used in \set@mathfont
- \xp\@setsizes\xp{\Fsize}%
- \xp\pointsize@baselineskip\xp{\Fsize}}
-\let\Pointsize=\PointSize
-
-% \Style:STYLE
-% \F@style <-- STYLE
-% load actual font
-% put font in \textfont0
-% install value of \@space
-%
-\def\Style:#1 {\def\F@style{#1}%
- \ifmmode\SetFamily\else\SetFont\fi}
-\def\ifStyle:#1 {\xp\if\xp\EqualStringX\xp{\F@style}{#1}}
-
-% and together this makes:
-%
-\def\current@font{\F@name\F@style\romannumeral\Fsize}
-
-
-% abbreviations for common styles
-%
-\def\tty{\Style:typewriter }
-\def\rm{\Style:roman }\def\bf{\Style:bold }\def\it{\Style:italic }
-\def\sl{\Style:italic }
-
-% Command for actual loading is also user command.
-% If this is in a style definition, fill the math families.
-%
-\def\SetFont{\maybe@load@font
- \if@started\else\store@main@font\fi
- \ifx\cs@a\relax %error condition if load not succeeded
- \else \csname\cs@a\endcsname
- \@@space=.5em\relax
- \fi}
-\def\maybe@load@font{\edef\cs@a{\current@font}%
- \if\UndefinedCS{\cs@a}\load@font\fi}
-\def\load@font{\def@f@ext@name
- \Tmessage[font]{Loading font (text): \cs@a=`\f@ext@name'}%
- \edef\cs@e{\global\font\CSname{\cs@a}=\f@ext@name\relax}\cs@e
- }
-\def\def@f@ext@name
- {\edef\f@ext@name{\ext@combo}%
- \edef\f@ext@name{\ext@name
- \ifx\f@ext@name\@empty \ext@style\ext@size
- \else \f@ext@name \fi}}
-
-\def\face@tag{\F@name @code}
-\def\cs@face@tag{\csname\face@tag\endcsname}
-
-% Find relative sizes of the current size
-% and install math fonts
-%
-\def\@ps@rls#1{ps@rls\romannumeral#1}
-\def\PointSizeScriptSizes:#1=#2,#3,#4
- {\csarg\def{\@ps@rls#1}{{#2}{#3}{#4}}}
-\def\@setsizes#1{\if\UndefinedCS{\@ps@rls{#1}}\tempcounta#1\relax
- \tempcountb\tempcounta \multiply\tempcountb7 \divide\tempcountb10
- \tempcountc\tempcounta \divide\tempcountc2
- \edef\@@setsizes
- {{\the\tempcounta}{\the\tempcountb}{\the\tempcountc}}%
- \else
- \edef\@@setsizes{\csname\@ps@rls{#1}\endcsname}%
- \fi
- \expandafter\@setsize\@@setsizes}
-\PointSizeScriptSizes:0=0,0,0
-\PointSizeScriptSizes:1=1,1,1
-\PointSizeScriptSizes:2=2,2,2
-\PointSizeScriptSizes:3=2,3,3
-\PointSizeScriptSizes:4=4,4,4
-\PointSizeScriptSizes:5=5,5,5
-\PointSizeScriptSizes:6=6,5,5
-\PointSizeScriptSizes:7=7,6,5
-\PointSizeScriptSizes:8=8,6,5
-\PointSizeScriptSizes:9=9,7,5
-\PointSizeScriptSizes:10=10,7,5
-\PointSizeScriptSizes:11=11,8,6
-\PointSizeScriptSizes:12=12,9,7
-
-% Fill in a math font family corresponding to the
-% surrounding size
-\def\SetFamily{\ifface@size@changed\begingroup
-%\tracingmacros=2 \tracingcommands\tracingmacros
- \edef\tmp@sizes{\csname\@ps@rls{\Fsize}\endcsname}
- \edef\Fsize{\xp\first@of@three\tmp@sizes}\maybe@load@font
- \edef\cs@e{\global\textfont
- \CSname{\F@style @fam}\CSname{\cs@a}}\cs@e
- \edef\Fsize{\xp\second@of@three\tmp@sizes}\maybe@load@font
- \edef\cs@e{\global\scriptfont
- \CSname{\F@style @fam}\CSname{\cs@a}}\cs@e
- \edef\Fsize{\xp\third@of@three\tmp@sizes}\maybe@load@font
- \edef\cs@e{\global\scriptscriptfont
- \CSname{\F@style @fam}\CSname{\cs@a}}\cs@e
- \endgroup\fi
- \csarg\fam{\F@style @fam}}
-\newfam\roman@fam \def\roman@face@size{{foo}{bar}}
-\newfam\italic@fam \def\italic@face@size{{foo}{bar}}
-\newfam\bold@fam \def\bold@face@size{{foo}{bar}}
-\newfam\tty@fam \def\tty@face@size{{foo}{bar}}
-\def\ifface@size@changed{\iftrue}
-\def\temporarily@out@of@order
- {\edef\cs@a{\csn\F@style @face@size\ecs}
- \if\EqualString{\F@name}{\xp\take@former\cs@a}
- \if\EqualString{\Fsize}{\xp\take@latter\cs@a}
- \csn iffalse\xp\xp\xp\ecs
- \else \Tmessage[font]{Loading family <\F@style>}
- \csarg\edef{\F@style @face@size}%
- {{\F@name}{\Fsize}}
- \csn iftrue\xp\xp\xp\ecs\fi
- \else \Tmessage[font]{Loading family <\F@style>}
- \csarg\edef{\F@style @face@size}%
- {{\F@name}{\Fsize}}
- \csn iftrue\xp\ecs \fi}
-
-% Define relative sizes,
-% and install math fonts,
-% loading if necessary
-%
-\def\@setsize#1#2#3{%
- \def\normal{\def\Fsize{#1}\SetFont}\relax
- \def\script{\def\Fsize{#2}\SetFont}\relax
- \def\scriptscript{\def\Fsize{#3}\SetFont}\relax
- \def\style@sizes{#1,#2,#3 }}
-\newif\ifloading@math
-\def\math@setsize#1,#2,#3 {%
- \SaveFont \loading@mathyes
- \set@mathfont{#1}\textfont
- \set@mathfont{#2}\scriptfont
- \set@mathfont{#3}\scriptscriptfont
- \RestoreFont \loading@mathno
- }
-
-% these lines are in 'text.tex'
-%\everymath{\the\every@everymath}
-%\everydisplay{\the\every@everymath}
-%\every@everymath{\high@fam\count18\relax \xp\math@setsize\style@sizes}
-
-% Strut: .8\baselineskip+.2\baselineskip
-% note: struts should be locally defined!
-%
-\def\make@strut{\tempdima=.8\baselineskip \tempdimb=.2\baselineskip
- \edef\strut{\vrule height \the\tempdima width \z@
- depth \the\tempdimb \relax}}
-
-% Main Font
-% is the font that's current at the end of the style definition
-% this is switched to in the output routine (head/footline!)
-% and the user can use it too.
-% this does not take properly care of baselineskip and strut.
-% nor math fonts, come to think of it.
-%
-\def\store@main@font
- {\edef\MainFace{\def\nxp\F@name{\F@name}}
- \SaveFont \let\MainFont\RestoreFont}
-\let\MainFont\relax %cs is used in output@setup, which may be called
- %from lollipop.tex
-
-% Save and restore fonts
-%
-\def\SaveFont
- {\edef\RestoreFont{\def\nxp\F@name{\F@name}%
- \def\nxp\Fsize{\Fsize}%
- \def\nxp\F@style{\F@style}%
- \nxp\SetFont
- \baselineskip=\the\baselineskip\relax
- }
- }
-\def\RestoreFont{\Wmessage{No `Savefont' has been given}}
-
-% Defined Fonts
-% rather limited, because not upscalable.
-%
-\def\DefineFont:#1=#2,#3,#4 {\begingroup
- \Typeface:#2 \PointSize:#3 \Style:#4
- \edef\cs@e{\global\let\CSname{#1}=\CSname{\current@font}}\cs@e
- \endgroup}
-
-
-% Increase / decrease point size
-%
-\def\PointSizeLarger{\if\NextChar[%]
- \ps@plus{\ps@plus[1]}}
-\def\PointSizeSmaller{\if\NextChar[%]
- \ps@minus{\ps@minus[1]}}
-\def\ps@plus[#1]{\let\save@Fsize\Fsize
- \tempcounta\Fsize\relax \advance\tempcounta#1\relax
- \edef\Fsize{\the\tempcounta}\SetFont
- \let\Fsize\save@Fsize}
-\def\ps@minus[{\ps@plus[-%]
- }%]
-
-% Baselineskip
-%
-\def\BaselineSkip:#1 {\baselineskip\@ww{#1}\make@strut}
-\def\@ps@bls#1{ps@bls\romannumeral#1}
-\def\@@ps@bls#1{\tempcounta#1\relax\baselineskip\tempcounta pt
- \baselineskip\bls@ps@ratio\baselineskip\relax}
-\def\BaselineSkipPointSizeRatio:#1 {\def\bls@ps@ratio{#1}}
-\BaselineSkipPointSizeRatio:1.2
-\def\PointSizeBaselineSkip:#1
- {\edef\cs@e{\nxp\pointsize@baselineskip{\w@w{#1}}}\cs@e}%nxp?
-\def\pointsize@baselineskip#1{%also used in \PointSize
- \if\UndefinedCS{\@ps@bls{#1}}\@@ps@bls{#1}%
- \else \baselineskip\csname \@ps@bls{#1}\endcsname \fi
- \make@strut}
-\def\SetPointSizeBaselineSkip:#1=#2
- {\edef\cs@e{\w@w{#1}}%
- \csarg\edef{\@ps@bls\cs@e}{\w@w{#2}}}
-
-\def\exblssizes#1{\ifcase#1\z@ \or \z@ \or \z@ \or \z@ \or \z@
- \or 6.1pt %5
- \or 7.3pt %6
- \or 8.5pt %7
- \or 9.7pt %8
- \or 11pt %9
- \or 12pt %10
- \or 13pt %11
- \or 14.5pt %12
- \or 15.6pt %13
- \or 16.8pt %14
- \or 18pt %15
- \or 19.2pt %16
- \or 20.4pt %17
- \or 21.6pt %18
- \or 22.8pt %19
- \or 24pt %20
- \else \ifnum#1=24 28pt \else
- \ifnum#1=30 36pt \else
- \ifnum#1=32 38pt \else
- \ifnum#1=48 56pt \else
- \z@ \Emessage{Unknown pointsize: #1}\fi\fi\fi\fi
- \fi \normalbaselineskip\baselineskip}
-
-%%%% Math Fonts
-% Math fonts are loaded through the \everymath and \everydisplay.
-% This means that they are undefined outside math.
-% Therefore, any load during the style definition is global.
-%
-% Symbol and extension fonts don't change with type
-% Control sequences \m@.. are \let to 0 or 1 to indicate that
-% math at a certain size has been loaded
-
-% The ten point extension font is special because it is used
-% for all smaller sizes
-\font\exx=cmex10
-
-% Size to external name conversion for math fonts
-\def\mi@size#1{\ifcase#1 \or \or \or \or \or 5\or 6\or 7\or 8\or
- 9\or 10\or 10 \sc@led \magstephalf \or 10 \sc@led \magstep1\or
- \or 10 \sc@led \magstep2\or \or 10 \sc@led \magstep3\or
- \or 10 \sc@led \magstep3\or \or 10 \sc@led \magstep4\fi}
-\let\sy@size=\mi@size \let\cm@size=\mi@size
-\def\ex@size#1{\ifnum#1<10 10 \else\mi@size{#1}\fi}
-
-
-% For a size, test if it has been loaded yet, if not do;
-% then install as given style
-%
-\def\set@mathfont#1#2%% #1=size #2=\text/script/scriptscript style
- {\if\UndefinedCS{m@\romannumeral#1}\begingroup
- \Tmessage[font]{Loading math style \string#2 at #1pt}%\globaldefs\@ne
- \load@mathfammember{cm}{MathIT}{mi}{#1}\mi@size{'177}\relax
- \load@mathfammember{cm}{MathSY}{sy}{#1}\sy@size{'060}\relax
- \load@mathfammember{cm}{MathRM} {r}{#1}\cm@size{-1}\relax
- \ifnum#1>10 \load@mathfammember{cm}{MathEX}{ex}{#1}\ex@size{-1}\relax
- \else \global\csarg\let{MathEX\romannumeral#1}\exx
- \fi
- \global\csarg\let{m@\romannumeral#1}1\relax
- \endgroup\fi
- \if\UndefinedCS{\F@name VMI\romannumeral#1}\begingroup
- \def\Fsize{#1}\def\F@style{mitalic}%
- \load@mathfammember{\cs@face@tag}
- {\F@name VMI}{\ext@style}{#1}
- {\ext@size\take@one}{-1}\relax
- \endgroup\fi
- \def\Fsize{#1}\SetFont #20\the\font
- #21 \csname MathIT\romannumeral#1\endcsname
- #22 \csname MathSY\romannumeral#1\endcsname
- #23 \csname MathEX\romannumeral#1\endcsname
- #2\Kgriek \csname MathRM\romannumeral#1\endcsname
- #2\VMIfam \csname \F@name VMI\romannumeral#1\endcsname}
-\def\load@mathfammember
- #1#2#3#4#5#6%
- %% #1=root of external name #2=internal tag
- %% #3=external tag #4=size #5=size convertor #6=skew character
- {\Tmessage[font]{Loading font (math)
- \csname#2\romannumeral#4\endcsname=#1#3#5{#4}}%
- \global\xp\font\csname#2\romannumeral#4\endcsname=
- #1#3#5{#4}\relax
- \global\xp\skewchar\csname#2\romannumeral#4\endcsname=#6\relax
- }
-
-% Allocate a family for cmr, which has Greek capitals
-%
-\storecat"
-\ifini{\newfam\Kgriek}
-\mathchardef\Gamma="0\hexdigit\Kgriek 00
-\mathchardef\Delta="0\hexdigit\Kgriek 01
-\mathchardef\Theta="0\hexdigit\Kgriek 02
-\mathchardef\Lambda="0\hexdigit\Kgriek 03
-\mathchardef\Xi="0\hexdigit\Kgriek 04
-\mathchardef\Pi="0\hexdigit\Kgriek 05
-\mathchardef\Sigma="0\hexdigit\Kgriek 06
-\mathchardef\Upsilon="0\hexdigit\Kgriek 07
-\mathchardef\Phi="0\hexdigit\Kgriek 08
-\mathchardef\Psi="0\hexdigit\Kgriek 09
-\mathchardef\Omega="0\hexdigit\Kgriek 0A
-
-% Math italic variables have to be from the current typeface
-% maybe this should be switchable
-%
-\def\loop@redef@until#1{
-\loop \mathcode\tempcountb\tempcountc
- \advance\tempcountb\@ne
- \advance\tempcountc\@ne
- \ifnum\tempcountb>#1\relax\else \repeat}
-\ifini{
-\newfam\VMIfam
-\tempcounta=-"100 \advance\tempcounta"\hexdigit\VMIfam00
-\tempcountb=`a \tempcountc=\mathcode`a
-\advance\tempcountc\tempcounta
-\loop@redef@until{`z}
-\tempcountb=`A \tempcountc=\mathcode`A
-\advance\tempcountc\tempcounta
-\loop@redef@until{`Z}
-}
-
-\restorecat"
-\def\cal{\fam2}
-
-% Typewriter is a bit of a problem
-%
- \font\ttix=cmtt9
- \font\ttx=cmtt10 \font\ttxi=cmtt10 \sc@led \magstephalf
- \font\ttxii=cmtt10 \sc@led \magstep1
- \font\ttxiv=cmtt10 \sc@led \magstep2
- \font\ttxvii=cmtt10 \sc@led \magstep3
- \font\ttxx=cmtt10 \sc@led \magstep4
-
-\def\tt{\Typeface:ComputerModern \Style:typewriter }
-\def\terugstreep{{\tt \char`\\}}
-
-% Typeface Definition
-% \DefineTypeface{Naam}{rump}{style:exts}{size:exts}{combo:exts}
-% after this \Typeface:Naam can be used
-% the rump and the extension construct the external file names
-%
-\def\DefineTypeface#1#2#3#4{\csarg\def{#1@code}{#2}
- \csarg\def{#1@styles}{#3 }
- \csarg\def{#1@sizes}{#4 }
- \if\NextChar[%]
- {\DefineTypeface@combos{#1}}{\DefineTypeface@combos{#1}[]}}
-\def\DefineTypeface@combos#1[#2]{\csarg\def{#1@combos}{#2}}
-
-\def\style@selector{\mswitch \xp\if\xp\EqualStringX\xp{\F@style} in: }
-\def\a@style@selector#1{\mswitch \xp\if\xp\EqualStringX\xp{#1} in: }
-\def\size@selector{\fswitch {\ifnum\Fsize} in: }
-\def\a@size@selector#1{\fswitch {\ifnum#1} in: }
-
-\def\ext@combo{\csname\F@name @combos\endcsname}
-\def\ext@style{\xp\xp\xp\style@selector
- \csname\F@name @styles\endcsname\endswitch}
-\def\ext@size {\xp\xp\xp\size@selector
- \csname\F@name @sizes\endcsname\endswitch}
-\def\ext@name{\csname\F@name @code\endcsname}
-
-%\noeol
-\endinput
-
-% 2014/04/16 defined \PointSizeScriptSizes:12
-% 92/11/05 math family setting
-% 93/07/03 removed \bold, \italic etc because of change in tools
-% 93/07/24 F@size -> Fsize, fontdefs file split off \ No newline at end of file