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%D \module
%D [ file=type-imp-vraille,
%D version=2021.11.17,
%D title=\CONTEXT\ Typescript Macros,
%D subtitle=Braille (using Dejavu fonts),
%D author=Hans Hagen,
%D date=\currentdate,
%D copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.
\continuewhenlmtxmode
%D There is no need to waste money on a commercial braille font if we have dejavu. After
%D all it's just dots. We also don't need features.
\registerctxluafile{font-imp-braille}{autosuffix}
% todo : not fallback, just replace directly .. special case anyway .. now inefficient and slow
\starttypescriptcollection[braille]
\doifunknownfontfeature {dejavu-math-bold} {\definefontfeature[dejavu-math-bold][boldened]}
\definefontfeature[brailletext] [braille=text] % no ligatures, no kerning etc
\definefontfeature[braillemath] [braille=math] % no ligatures, no kerning etc
\definefontfeature[serifbraille] [features=none] % no ligatures, no kerning etc
\definefontfeature[sansbraille] [features=none] % no ligatures, no kerning etc
\definefontfeature[monobraille] [features=none] % no ligatures, no kerning etc
\definefontfeature[mathbraille] [features=none] % [compactmath=yes] % no ssty so compact anyway
% Maybe some day sans and mono will also have braille but it doesn't really matter because we
% don't really need sans and for mono we only need the fixed spacing.
\definefontfallback[BrailleMono] [\s!name:dejavuserif*brailletext][0x0000-0x1FFFF][force=yes]
\definefontfallback[BrailleSerif][\s!name:dejavuserif*brailletext][0x0000-0x1FFFF][force=yes]
\definefontfallback[BrailleSans] [\s!name:dejavuserif*brailletext][0x0000-0x1FFFF][force=yes]
%\definefontfallback[BrailleMath] [\s!name:dejavuserif*braillemath][0x0000-0x1FFFF][force=yes]
\definefontfallback[BrailleMonoBold] [\s!name:dejavuserifbold*brailletext][0x0000-0x1FFFF][force=yes]
\definefontfallback[BrailleSerifBold][\s!name:dejavuserifbold*brailletext][0x0000-0x1FFFF][force=yes]
\definefontfallback[BrailleSansBold] [\s!name:dejavuserifbold*brailletext][0x0000-0x1FFFF][force=yes]
\starttypescript [\s!serif] [braille] [\s!name]
\definefontsynonym [\s!Serif] [\s!name:dejavuserif] [\s!features=serifbraille,\s!fallbacks=BrailleSerif]
\definefontsynonym [\s!SerifBold] [\s!name:dejavuserifbold][\s!features=serifbraille,\s!fallbacks=BrailleSerifBold]
\definefontsynonym [\s!SerifItalic] [\s!Serif]
\definefontsynonym [\s!SerifBoldItalic] [\s!SerifBold]
\definefontsynonym [\s!SerifSlanted] [\s!Serif]
\definefontsynonym [\s!SerifBoldSlanted][\s!SerifBold]
\stoptypescript
\starttypescript [\s!sans] [braille] [\s!name]
\definefontsynonym [\s!Sans] [\s!name:dejavusans] [\s!features=sansbraille,\s!fallbacks=BrailleSans]
\definefontsynonym [\s!SansBold] [\s!name:dejavusansbold][\s!features=sansbraille,\s!fallbacks=BrailleSansBold]
\definefontsynonym [\s!SansItalic] [\s!Sans]
\definefontsynonym [\s!SansBoldItalic] [\s!SansBold]
\definefontsynonym [\s!SansSlanted] [\s!Sans]
\definefontsynonym [\s!SansBoldSlanted][\s!SansBold]
\stoptypescript
\starttypescript [\s!mono] [braille] [\s!name]
\definefontsynonym [\s!Mono] [\s!name:dejavusansmono] [\s!features=monobraille,\s!fallbacks=BrailleMono]
\definefontsynonym [\s!MonoBold] [\s!name:dejavusansmonobold][\s!features=monobraille,\s!fallbacks=BrailleMonoBold]
\definefontsynonym [\s!MonoItalic] [\s!Mono]
\definefontsynonym [\s!MonoBoldItalic] [\s!MonoBold]
\definefontsynonym [\s!MonoSlanted] [\s!Mono]
\definefontsynonym [\s!MonoBoldSlanted][\s!MonoBold]
\stoptypescript
\starttypescript [\s!math][braille] [\s!name]
\loadfontgoodies[dejavu-math]
%\definefontsynonym[\s!MathRoman] [\s!file:texgyredejavu-math][\s!features={mathbraille,\s!math\mathsizesuffix},\s!fallbacks=BrailleMath]
%\definefontsynonym[\s!MathRomanBold][\s!file:texgyredejavu-math][\s!features={mathbraille,\s!math\mathsizesuffix,dejavu-math-bold},\s!fallbacks=BrailleMath]
\definefontsynonym[\s!MathRoman] [\s!file:texgyredejavu-math][\s!features={braillemath,\s!math\mathsizesuffix},\s!goodies=dejavu-math]
\definefontsynonym[\s!MathRomanBold][\s!file:texgyredejavu-math][\s!features={braillemath,\s!math\mathsizesuffix,dejavu-math-bold},\s!goodies=dejavu-math]
\stoptypescript
\starttypescript[braille]
\definetypeface [braille] [\s!rm] [\s!serif] [braille] [\s!default]
\definetypeface [braille] [\s!ss] [\s!sans] [braille] [\s!default]
\definetypeface [braille] [\s!tt] [\s!mono] [braille] [\s!default]
\definetypeface [braille] [\s!mm] [\s!math] [braille] [\s!default]
\stoptypescript
\stoptypescriptcollection
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