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Add ligation configurability

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This commit is contained in:
be5invis 2020-10-27 00:36:12 -07:00
parent c1c3ce79ee
commit 2e601b641c
14 changed files with 770 additions and 659 deletions
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19
font-src/support/gr.js
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@ -253,11 +253,11 @@ function createGrDisplaySheet(glyphStore, gid) {
let charVariantFeatures = [];
const decomposition = CvDecompose.get(glyph);
if (decomposition) {
const variantFeatureSet = new Set();
const variantAssignmentSet = new Set();
for (const componentGn of decomposition) {
const component = glyphStore.queryByName(componentGn);
if (!component) continue;
const cvRow = queryCvFeatureTagsOf(componentGn, component, variantFeatureSet);
const cvRow = queryCvFeatureTagsOf(componentGn, component, variantAssignmentSet);
if (cvRow.length) charVariantFeatures.push(cvRow);
}
} else {
@ -273,7 +273,7 @@ function queryPairFeatureTags(gid, f1, f2, sink) {
const re1 = new RegExp(`\\.${f1}$`),
re2 = new RegExp(`\\.${f2}$`);
if (re1.test(gid) || re2.test(gid)) {
sink.push(f1, f2);
sink.push(`'${f1}' 1`, `'${f2}' 1`);
}
}
}
@ -284,7 +284,7 @@ function byTagPreference(a, b) {
if (ua > ub) return 1;
return 0;
}
function queryCvFeatureTagsOf(gid, glyph, vfs) {
function queryCvFeatureTagsOf(gid, glyph, variantAssignmentSet) {
const cvs = AnyCv.query(glyph).sort(byTagPreference);
let results = [];
let existingGlyphs = new Set();
@ -294,10 +294,13 @@ function queryCvFeatureTagsOf(gid, glyph, vfs) {
if (target === gid) continue;
if (existingGlyphs.has(target)) continue;
existingGlyphs.add(target);
if (!vfs) results.push(tag);
else if (!vfs.has(tag)) {
results.push(tag);
vfs.add(tag);
const assignCss = `'${tag}' ${gr.rank}`;
if (!variantAssignmentSet) {
results.push(assignCss);
} else if (!variantAssignmentSet.has(assignCss)) {
results.push(assignCss);
variantAssignmentSet.add(assignCss);
}
}
return results;