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+%%
+%% This is file `novel-Fonts.sty', part of `novel' document class.
+%% Copyright 2017-2018 Robert Allgeyer.
+%%
+%%
+%% This file 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.
+%% The latest version of this license is in
+%% http://www.latex-project.org/lppl.txt
+%% and version 1.3c or later is part of all distributions of LaTeX
+%% version 2005/12/01 or later.
+%%
+%%
+\ProvidesFile{novel-Fonts.sty}%
+[2018/03/28 v1.50 LaTeX file (font settings and defaults)]
+%%
+
+
+%% Package `fontspec' was previously loaded by `\novel.cls'.
+
+
+%% INITIALIZATION
+%% ----------------------------------------------------------------------------
+% Fonts are chosen in Preamble using \Set commands. But they are not activated
+% until \AtEndPreamble. Until then, the basic TeX font families must be
+% temporarily specified, so that certain packages can load without compliant.
+% These are Latin Modern fonts, which are Open Type and will work, but are not
+% stylistically suitable for works of fiction. The only reason they are
+% used here, is because just about every TeX installation has them.
+\gdef\rmdefault{lmr} % Latin Modern Roman
+\gdef\sfdefault{lmss} % Latin Modern Sans
+\gdef\ttdefault{lmtt} % Latin Modern Mono
+% The following might become unnecessary if fontspec adds the capability to
+% disable keys. For now: Color and Opacity cannot be used as font features,
+% for a black/white printed book. Alas, fontspec over-rules xcolor.
+% So, this code over-rules fontspec:
+\gdef\@CheckFontspecFeatures#1{%
+ \@tempTFfalse%
+ \IfSubStr{#1}{Color}{\@tempTFtrue}{}%
+ \IfSubStr{#1}{Colour}{\@tempTFtrue}{}%
+ \IfSubStr{#1}{color}{\@tempTFtrue}{}%
+ \IfSubStr{#1}{colour}{\@tempTFtrue}{}%
+ \IfSubStr{#1}{Opacity}{\@tempTFtrue}{}%
+ \IfSubStr{#1}{opacity}{\@tempTFtrue}{}%
+ \if@tempTF%
+ \ClassError{novel}{Color and Opacity forbidden as font features}%
+ {You defined a font, or added a font feature, with Color or Opacity. ^^J%
+ That is disallowed in `novel' class.}%
+ \fi%
+} % end \@CheckFontspecFeatures
+% Default font features (will be changed later):
+\defaultfontfeatures{} % reset
+\defaultfontfeatures{SmallCapsFeatures={Renderer=Basic},Ligatures=TeX,} % all
+% Main and sans fonts: kerning, ligatures, and OldStyle numbers if available:
+\defaultfontfeatures[\rmfamily,\sffamily]%
+ {Kerning=On,Numbers=OldStyle,Ligatures=Common}
+% Fake \microtypesetup until package loaded by \@ActivateFonts, \AtEndPreamble:
+\newif \if@MicrotypeSet
+\gdef\microtypesetup#1{
+ \gdef\@mymicrotypesetup{#1} % used in novel-Fonts.sty
+ \global\@MicrotypeSettrue
+}%
+%% end initialization
+
+
+%% SETTINGS FOR PARENT FONT, DESCENDANTS, OTHERS
+%% ----------------------------------------------------------------------------
+% In `novel' you do not \usepackage{font name} or \RequirePackage{font name}.
+% You do not directly write \renewcommand\rmdefault{font name}.
+% You do not directly use \setmainfont[features]{font name}.
+% Instead, `novel' requires a `parent font' to be set. The parent font is
+% the ancestor of the main (normal) font, and several other descendants.
+% The parent font features, if any, should be a minimal set that will be
+% applied to all descendants. For example, if the font has an an alternate
+% style for a particular letter, and you want to use it for all descendants,
+% then you would spedify that feature for the parent font.
+% For now, these settings are merely stored. Later, \AtEndPreamble,
+% the main (normal) font inherits the settings for the parent font.
+% Other descendants inherit those settings, with their own features added.
+% Anything not set by you, will have a suitable default set automatically.
+\newif \if@ParentFontSet
+\gdef\parentfontfeatures{}
+\gdef\parentfontname{}
+\DeclareDocumentCommand \SetParentFont { O{} m O{} } {% from version 1.1.
+ \@CheckFontspecFeatures{#1,#3}
+ \gdef\parentfontfeatures{#1,#3}
+ \gdef\parentfontname{#2}
+ \global\@ParentFontSettrue
+}%
+\DeclareDocumentCommand \SetMasterFont { O{} m O{} } {% DEPRECATED
+ \@CheckFontspecFeatures{#1,#3}
+ \gdef\parentfontfeatures{#1,#3}
+ \gdef\parentfontname{#2}
+ \global\@ParentFontSettrue
+}%
+%
+% In a work of fiction, you probably do not need a sans or mono font.
+% But TeX expects you do have them. So, \AtEndPreamble, Libertinus Sans
+% and Libertinus Mono will be set as defaults, if you have those fonts.
+% Otherwise, Latin Modern Sans and Mono will be used, but they are not
+% well-suited to works of fiction.
+% If you wish to set your own sans and mono fonts, do it using standard
+% `fontspec' syntax. There is no special method in `novel' class:
+% \setsansfont[features]{font name}
+% \setmonofont[features]{font name}
+%
+% The headfont is used in headers and footers:
+\newif \if@HeadFontSet
+\gdef\@headfontfeatures{}
+\gdef\@headfontname{}
+\DeclareDocumentCommand \SetHeadFont { O{} m O{} } {% revised v 1.40.3
+ \@CheckFontspecFeatures{#1,#3}
+ \gdef\@headfontfeatures{Numbers=Lining,%
+ WordSpace=\@looseheadword,#1,#3}% loose letters added in head/foot styles
+ \gdef\@headfontname{#2}
+ \global\@HeadFontSettrue
+}%
+% The chapter font is used by the \ChapterTitle{} command:
+\newif \if@ChapterFontSet
+\gdef\@chapterfontfeatures{}
+\gdef\@chapterfontname{}
+\DeclareDocumentCommand \SetChapterFont { O{} m O{} } {%
+ \@CheckFontspecFeatures{#1,#3}
+ \gdef\@chapterfontfeatures{Numbers=Lining,#1,#3}
+ \gdef\@chapterfontname{#2}
+ \global\@ChapterFontSettrue
+}%
+% The subch font is used by the \ChapterSubtitle{} command:
+\newif \if@SubchFontSet
+\gdef\@subchfontfeatures{}
+\gdef\@subchfontname{}
+\DeclareDocumentCommand \SetSubchFont { O{} m O{} } {%
+ \@CheckFontspecFeatures{#1,#3}
+ \gdef\@subchfontfeatures{Numbers=Lining,#1,#3}
+ \gdef\@subchfontname{#2}
+ \global\@SubchFontSettrue
+}%
+% The deco font is used for decorations and acronyms.
+% It must be NovelDeco.otf or a font based on NovelDeco.otf. No other!
+\newif \if@DecoFontSet
+\newif \if@HasDecoFont
+\gdef\@decofontfeatures{}
+\gdef\@decofontname{}
+\DeclareDocumentCommand \SetDecoFont { O{} m O{} } {%
+ \@CheckFontspecFeatures{#1,#3}
+ \gdef\@decofontname{#2}
+ \global\@DecoFontSettrue
+ \global\@HasDecoFonttrue
+ \newfontface\decofont[#1,#3]{#2}
+}%
+% For syntax consistency:
+\ExplSyntaxOn
+\cs_new_eq:NN \NewFontFamily \newfontfamily
+\cs_new_eq:NN \NewFontFace \newfontface
+\cs_new_eq:NN \SetSansFont \setsansfont
+\cs_new_eq:NN \SetMonoFont \setmonofont
+\cs_new_eq:NN \SetMathFont \setmathfont
+\cs_new_eq:NN \AddFontFeatures \addfontfeatures
+\cs_new_eq:NN \AddFontFeature \addfontfeatures
+\ExplSyntaxOff
+% New in v. 1.50: built-in drop caps.
+\gdef\@DropCapFont{} % until actually set, will be default main font
+\gdef\@DropCapColorModel{} % until actually set, using `xcolor' syntax
+\gdef\@DropCapColorValue{black} % until actually set, using `xcolor' syntax
+\gdef\NDC@charstyle{}
+\ExplSyntaxOn
+% The argument to \SetDropCapFont is a user-defined `fontspec' font command.
+% Example syntax, using `fontspec' in LuaLaTeX:
+% Create font command, such as: \newfontface\mynicefont[options]{fontname}
+% Then: \SetDropCapFont{\mynicefont}
+\newif \if@HasDropCapFont
+\DeclareDocumentCommand \SetDropCapFont { m } {%
+ \@HasDropCapFonttrue%
+ \gdef\@DropCapFont{#1}%
+ \gdef\NDC@charstyle{%
+ #1%
+ \if@HasDropCapColor%
+ \ifthenelse{\equal{\@DropCapColorModel}{}}{%
+ \color{\@DropCapColorValue}%
+ }{%
+ \color[\@DropCapColorModel]{\@DropCapColorValue}%
+ }%
+ \fi%
+ }%
+}%
+% The argument(s) to \SetDropCapColor use `xcolor' syntax:
+% [colormodel]{value} OR {colorname}
+\newif \if@HasDropCapColor
+\DeclareDocumentCommand \SetDropCapColor { O{} m } {%
+ \@setdropcapcolor[#1]{#2}%
+}% end \SetDropCapColor
+\DeclareDocumentCommand \@setdropcapcolor { O{} m } {%
+ \global\@HasDropCapColortrue%
+ \gdef\@DropCapColorModel{#1}%
+ \gdef\@DropCapColorValue{#2}%
+ \renewcommand\NDC@charstyle{%
+ \@DropCapFont%
+ \ifthenelse{\equal{\@DropCapColorModel}{}}{%
+ \color{\@DropCapColorValue}%
+ }{%
+ \color[\@DropCapColorModel]{\@DropCapColorValue}%
+ }%
+ }%
+}% end \@setdropcapcolor
+% for convenience:
+\cs_new_eq:NN \SetDropcapFont \SetDropCapFont
+\cs_new_eq:NN \SetDropcapColor \SetDropCapColor
+\ExplSyntaxOff
+%
+% A default math font (which presumably you do not need) is chosen here.
+% You may over-ride using `unicode-math' syntax \setmathfont in Preamble.
+\IfFontExistsTF{Libertinus Math}{ % stylistically consisent with novel text
+ \setmathfont[BoldFont={libertinusmath-regular.otf}]%
+ {libertinusmath-regular.otf}
+}{
+ \IfFontExistsTF{Latin Modern Math}{}{% default for package `unicode-math'
+ }{ % The following hack allows you to proceed without a real math font,
+ % (but then you cannot print math):
+ \IfFontExistsTF{NovelDeco.otf}{%
+ \setmathfont[BoldFont={NovelDeco.otf}]{NovelDeco.otf} % fake math feature
+ \ClassWarning{novel}{^^JIgnore this if you used \string\setmathfont. ^^J%
+ Did not find suitable default math font. Used NovelDeco.otf. ^^J%
+ But NovelDeco does not have real math symbols. ^^J%
+ Math notation will print incorrectly. No problem if no math. ^^J}%
+ }{}% if no NovelDeco, do nothing here
+ }
+}%
+%% end settings for parent font and others.
+
+
+%% CREATING NEW FONT FONT FEATURES
+%% ----------------------------------------------------------------------------
+% \CreateFontFeature{substitutions}{feature code}
+% Problem: Font has one or more alternate glyphs that you would like to use,
+% but they are not listed in a feature set for the font.
+% Solution: Create your own feature set, with \CreateFontFeature. The created
+% feature may then be used like a real feature, in any font definition.
+% The substitutions are a comma-separated list, char=char.alt and so forth.
+% For example, the following substitutions are syntactically OK:
+% emdash=emdah.alt, one=one.rev, ntilde=ntilde.03
+% If a substitution is not available in a particular font, it is ignored.
+% You have to look at the font in a font editor, to know what is available.
+% It is possible to make silly substitutions, such as a=b, five=three without
+% throwing an error, unless your code causes a cycle.
+% The most useful application of this command is to reach alternate emdash,
+% and alternate oldstyle one. Not every font has these.
+% The feature code is a 4-character pseudo- Open Type code, otherwise unused.
+% For example, the feature code might be myfs (my fake substitution)
+% but it cannot be a pre-defined code such as lnum or smcp. It may be
+% a style set such as ss03 if you are sure that the font in question
+% do not already have ss03 (but this is taking a chance).
+% Once defined, you may use it like this (for example):
+% \SetParentFont[RawFeature=+myfs]{fontname}
+% \NewFontFamily\myfake[RawFeature=+myfs]{fontname}
+% In the document body: {\addfontfeature{myfs} text}
+\DeclareDocumentCommand \CreateFontFeature { m m } {%
+ \IfEndWith{#1}{,}{\StrGobbleRight{#1}{1}[\@fakezero]}{\def\@fakezero{#1}}
+ \def\@fakeone{"\@fakezero"}
+ \StrSubstitute{\@fakeone}{=}{"]="}[\@fakeone]
+ \StrSubstitute{\@fakeone}{,}{",\space["}[\@fakeone]
+ \directlua{
+ fonts.handlers.otf.addfeature {
+ name = "#2",
+ type = "substitution",
+ data = {\@fakeone},
+ }
+ }
+} %
+%% end \CreateFontFeature. Above thanks to fontspec 2016.
+
+
+%% ACTIVATE FONTS \AtEndPreamble
+%% ----------------------------------------------------------------------------
+\gdef\@ActivateFonts{% called by `novel.cls' \AtEndPreamble
+ % We begin with the parent font:
+ \if@coverart %%%%%
+ \SetParentFont{NovelDeco.otf} %%%%%
+ \fi %%%%%
+ \if@ParentFontSet\else
+ \ifthenelse{\equal{\rmdefault}{lmr}}{%
+ % At this point, if \rmdefault is lmr, it means the user did not choose
+ % a different font. Then, Libertinus Serif or Latin Modern Roman
+ % will be automatically set as \rmdefault, if available:
+ \IfFontExistsTF{Libertinus Serif}{ % preferred default
+ \SetParentFont[%
+ BoldFont=libertinusserif-semibold.otf,%
+ BoldItalicFont=libertinusserif-semibolditalic.otf,%
+ ]{Libertinus Serif}
+ }{ % backup default, if Libertinus Serif not available:
+ \SetParentFont[%
+ SmallCapsFont={Latin Modern Roman Caps}%
+ ]{Latin Modern Roman}% only because it comes with LaTeX
+ \let\scshape\oldscshape % or small caps won't work
+ \let\smcp\oldscshape % or small caps won't work
+ }%
+ }{% However, if \rmdefault is not lmr, it means the user chose the font.
+ % If the choice was made via \SetParentFont, no problem. But if done by
+ % incorrect method such as \setmainfont, \renewcommand\rmdefault,
+ % or \usepackage{fontname}, an error is thrown:
+ \if@ParentFontSet\else
+ \ClassError{novel}{Wrong command used to set main font}%
+ {You tried to define the main document font the wrong way. ^^J%
+ Bad: \string\renewcommand\string\rmdefault\{font\}\space ^^J%
+ Bad: \string\usepackage\{font package\}\space ^^J%
+ Bad: \string\RequirePackage\{font package\}\space ^^J%
+ Bad: \string\setmainfont[features]\{font\}\sapce ^^J%
+ Those are incorrect in `novel' class. ^^J%
+ Use \string\SetParentFont[features]\{font\}\space instead. ^^J%
+ See `novel' documentation.}%
+ \fi
+ }%
+ \fi % end \if@ParentFontSet
+ % Now we are ready for the main (normal) font, descending from parent font:
+ \setmainfont[\parentfontfeatures]{\parentfontname}
+ \let\mainfont\rmfamily\relax % backwards compatibility
+ % The headfont, which descends from parent font:
+ \if@HeadFontSet\else % default if not user-set:
+ \SetHeadFont[Letters=SmallCaps,\parentfontfeatures,Scale=0.92]%
+ {\parentfontname}
+ \fi
+ \newfontfamily\headfont[\@headfontfeatures]{\@headfontname}
+ % The chapter font, descending from parent font:
+ \if@ChapterFontSet\else % if no user-set font, default:
+ \SetChapterFont[\parentfontfeatures,Scale=1.6]{\parentfontname}
+ \fi
+ \newfontfamily\chapterfont[\@chapterfontfeatures]{\@chapterfontname}
+ % The subch font, descending from parent font:
+ \if@SubchFontSet\else % if no user-set font, default:
+ \SetSubchFont[\parentfontfeatures,Scale=1.2]{\parentfontname}
+ \fi
+ \newfontfamily\subchfont[\@subchfontfeatures]{\@subchfontname}
+ % The remaining fonts are not descendants of parent font:
+ % The mono font:
+ \ifthenelse{\equal{\ttdefault}{lmtt}}{% over-ride:
+ \IfFontExistsTF{Libertinus Mono}{ % if available
+ \setmonofont[%
+ ItalicFont={},% Doesn't have these.
+ BoldFont={},%
+ BoldItalicFont={},%
+ ]{Libertinus Mono}
+ }{
+ \setmonofont{Latin Modern Mono}% backup
+ }
+ }{} % User \setmonofont, so leave alone.
+ % The sans font:
+ \ifthenelse{\equal{\sfdefault}{lmss}}{ % override:
+ \IfFontExistsTF{Libertinus Sans}{ % if available
+ \setsansfont{Libertinus Sans}
+ }{
+ \setsansfont{Latin Modern Sans}% backup
+ }
+ }{} % User \setsansfont, so leave alone.
+ % The decofont must be NovelDeco.otf or a user modification of that font:
+ \if@DecoFontSet\else
+ \IfFontExistsTF{NovelDeco.otf}{
+ \SetDecoFont{NovelDeco}
+ }{} % if not available, this will be detected below
+ \fi
+ % Decorative glyphs, only in this font. Should not be re-set by user.
+ \if@HasDecoFont % NovelDeco or a user-defined alternative was found:
+ \newfontface\@decoglyph[%
+ \@decofontfeatures,%
+ ]{\@decofontname}
+ \newfontface\@decoglypha[%
+ \@decofontfeatures,RawFeature=+ss01,%
+ ]{\@decofontname}
+ \newfontface\@decoglyphb[%
+ \@decofontfeatures,RawFeature=+ss02,%
+ ]{\@decofontname}
+ \newfontface\@decoglyphc[%
+ \@decofontfeatures,RawFeature=+ss03,%
+ ]{\@decofontname}
+ \fi% end \if@HasDecoFont
+ % New in version 1.50:
+ \if@HasDecoFont
+ \NewFontFace\decodropcapfont[RawFeature=+dcap]{\@decofontname}
+ \else
+ \NewFontFace\decodropcapfont[\parentfontfeatures,Numbers=Lining]%
+ {\parentfontname}
+ \fi
+ \if@HasDropCapFont\else
+ \SetDropCapFont{\decodropcapfont} % default
+ \fi
+ % This provides default microtype settings, allows the user to over-ride,
+ % and hopefully prevents the user from choosing inappropriate settings:
+ \let\microtypesetup\relax % fake command no longer needed
+ \if@MicrotypeSet % true if user wrote \microtypesetup{} in Preamble
+ \IfSubStr{\@mymicrotypesetup}{config}{% user specified own config file
+ \gdef\@mymicrotypeset{\@mymicrotypesetup}
+ }{ % default to novel's config file
+ \gdef\@mymicrotypeset{%
+ config=novel-microtype,final,\@mymicrotypesetup}
+ }
+ \else % user did not write \microtypesetup{} in Preamble
+ \gdef\@mymicrotypeset{%
+ config=novel-microtype,final,stretch=20,shrink=20}
+ \fi
+ \if@mtoff
+ \providecommand\textls[2][]{##2} % echoes its mandatory argument
+ \else
+ \RequirePackage[\@mymicrotypeset]{microtype}
+ \renewcommand\textls[2][]{##2} % nullifies the microtype command (problems)
+ \fi
+ % end microtypesetup
+%
+} % end \@ActivateFonts, called by `novel.cls' \AtEndPreamble.
+%%
+
+
+%%
+\endinput
+%%
+%% End of file `novel-Fonts.sty'
+
+