mikeslab/Iosevka
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Add support of Unicode Variation Sequence for 0 that adds a slash (#1534).

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This commit is contained in:
be5invis 2023-01-22 17:48:49 -08:00
parent d2faa3883b
commit 1c0fb8b0f3
5 changed files with 56 additions and 9 deletions
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26
font-src/gen/finalize/gc.mjs
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@ -1,4 +1,11 @@
import { Radical } from "../../support/gr.mjs";
import { Radical, VS01 } from "../../support/gr.mjs";
export function gcFont(glyphStore, excludedChars, otl, cfg) {
markSweepOtlLookups(otl.GSUB);
markSweepOtlLookups(otl.GPOS);
const sink = markGlyphs(glyphStore, excludedChars, otl, cfg);
return sweepGlyphs(glyphStore, sink);
}
function markSweepOtlLookups(table) {
if (!table || !table.features || !table.lookups) return;
@ -56,6 +63,7 @@ function sweepFeatures(table, accessibleLookupsIds) {
}
table.features = features1;
}
function markGlyphs(glyphStore, excludedChars, otl, cfg) {
const sink = markGlyphsInitial(glyphStore, excludedChars);
while (markGlyphsStep(glyphStore, sink, otl, cfg));
@ -78,6 +86,9 @@ function markGlyphsInitial(glyphStore, excludedChars) {
}
function markGlyphsStep(glyphStore, sink, otl, cfg) {
const glyphCount = sink.size;
for (const g of glyphStore.glyphs()) {
markLinkedGlyph(sink, g, VS01);
}
if (otl.GSUB) {
for (const l in otl.GSUB.lookups) {
const lookup = otl.GSUB.lookups[l];
@ -88,6 +99,10 @@ function markGlyphsStep(glyphStore, sink, otl, cfg) {
const glyphCount1 = sink.size;
return glyphCount1 > glyphCount;
}
function markLinkedGlyph(sink, g, gr) {
const linked = gr.get(g);
if (linked) sink.add(linked);
}
function markGlyphsLookupImpl(sink, lookup, cfg) {
switch (lookup.type) {
case "gsub_single":
@ -136,12 +151,7 @@ function markGlyphsGsubReverse(sink, lookup, cfg) {
}
}
}
function sweep(glyphStore, gnSet) {
function sweepGlyphs(glyphStore, gnSet) {
return glyphStore.filterByName(gnSet);
}
export function gcFont(glyphStore, excludedChars, otl, cfg) {
markSweepOtlLookups(otl.GSUB);
markSweepOtlLookups(otl.GPOS);
const sink = markGlyphs(glyphStore, excludedChars, otl, cfg);
return sweep(glyphStore, sink);
}