% 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 . % % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %%%%%%%%% 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