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featureVars: populate counts on OT tables

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this is done automatically upon compiling; however it's good to do it here
as well, in case one wants to pass the updated font directly to other modules
like 'subset' which requires these fields to be present -- without having
to first compile and decompile.
This commit is contained in:
Cosimo Lupo 2019-05-30 12:29:23 +01:00
parent 36f2775d6c
commit afc194db19
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GPG Key ID: 20D4A261E4A0E642
1 changed files with 4 additions and 0 deletions
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4
Lib/fontTools/varLib/featureVars.py
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@ -283,6 +283,7 @@ def addFeatureVariationsRaw(font, conditionalSubstitutions):
rvrnFeature = buildFeatureRecord('rvrn', [])
gsub.FeatureList.FeatureRecord.append(rvrnFeature)
gsub.FeatureList.FeatureCount = len(gsub.FeatureList.FeatureRecord)
sortFeatureList(gsub)
rvrnFeatureIndex = gsub.FeatureList.FeatureRecord.index(rvrnFeature)
@ -346,6 +347,7 @@ def buildGSUB():
srec.Script.DefaultLangSys = langrec.LangSys
gsub.ScriptList.ScriptRecord.append(srec)
gsub.ScriptList.ScriptCount = 1
gsub.FeatureVariations = None
return fontTable
@ -380,6 +382,7 @@ def buildSubstitutionLookups(gsub, allSubstitutions):
lookup = buildLookup([buildSingleSubstSubtable(substMap)])
gsub.LookupList.Lookup.append(lookup)
assert gsub.LookupList.Lookup[lookupMap[subst]] is lookup
gsub.LookupList.LookupCount = len(gsub.LookupList.Lookup)
return lookupMap
@ -397,6 +400,7 @@ def buildFeatureRecord(featureTag, lookupListIndices):
fr.FeatureTag = featureTag
fr.Feature = ot.Feature()
fr.Feature.LookupListIndex = lookupListIndices
fr.Feature.populateDefaults()
return fr