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\setupbodyfont[dejavu]
\startluacode
-- we could populate this one mostly automatic if needed
-- but also expect a font to have such kerns
local kern = -50
local pair = { [32] = kern }
fonts.handlers.otf.addfeature {
name = "kern", -- spacekerns assume kern (for now)
type = "kern",
data = {
D = pair,
E = pair,
F = pair,
[32] = {
D = kern,
E = kern,
F = kern,
},
}
}
\stopluacode
\starttext
\enabledirectives[fonts.injections.useitalics] % use italic kerns for tracing
\definecolor[tgray][s=.5,t=.5,a=1] \showfontkerns \showfontitalics \showglyphs
\definefontfeature[kern] [mode=node,kern=yes,spacekerns=yes]
\definedfont[file:dejavu-serif.ttf*kern @ 48pt]
\definedfont[file:dejavu-serif.ttf*default @ 48pt]
\startTEXpage[offset=10pt,foregroundcolor=tgray]
A B C D E F G H
\stopTEXpage
\stoptext
|
