def test_preWrite_format2(self):
table = otTables.SingleSubst()
table.mapping = {"A": "c", "B": "b", "C": "a"}
rawTable = table.preWrite(self.font)
self.assertEqual(table.Format, 2)
self.assertEqual(rawTable["Coverage"].glyphs, ["A", "B", "C"])
self.assertEqual(rawTable["Substitute"], ["c", "b", "a"])
def test_fromXML(self):
table = otTables.SingleSubst()
for name, attrs, content in parseXML('<Substitution in="A" out="a"/>'
'<Substitution in="B" out="b"/>'
'<Substitution in="C" out="c"/>'):
table.fromXML(name, attrs, content, self.font)
self.assertEqual(table.mapping, {"A": "a", "B": "b", "C": "c"})
def test_preWrite_emptyMapping(self):
table = otTables.SingleSubst()
table.mapping = {}
rawTable = table.preWrite(self.font)
self.assertEqual(table.Format, 2)
self.assertEqual(rawTable["Coverage"].glyphs, [])
self.assertEqual(rawTable["Substitute"], [])
def merge(self, m, tables):
assert len(tables) == len(m.duplicateGlyphsPerFont)
for i, (table, dups) in enumerate(zip(tables, m.duplicateGlyphsPerFont)):
if not dups: continue
assert (table is not None and table is not NotImplemented
), "Have duplicates to resolve for font %d but no GSUB: %s" % (
i + 1, dups)
synthFeature = None
synthLookup = None
for script in table.table.ScriptList.ScriptRecord:
if script.ScriptTag == 'DFLT': continue # XXX
for langsys in [script.Script.DefaultLangSys] + [
l.LangSys for l in script.Script.LangSysRecord
]:
if langsys is None: continue # XXX Create!
feature = [
v for v in langsys.FeatureIndex if v.FeatureTag == 'locl'
]
assert len(feature) <= 1
if feature:
feature = feature[0]
else:
if not synthFeature:
synthFeature = otTables.FeatureRecord()
synthFeature.FeatureTag = 'locl'
f = synthFeature.Feature = otTables.Feature()
f.FeatureParams = None
f.LookupCount = 0
f.LookupListIndex = []
langsys.FeatureIndex.append(synthFeature)
langsys.FeatureIndex.sort(key=lambda v: v.FeatureTag)
table.table.FeatureList.FeatureRecord.append(
synthFeature)
table.table.FeatureList.FeatureCount += 1
feature = synthFeature
if not synthLookup:
subtable = otTables.SingleSubst()
subtable.mapping = dups
synthLookup = otTables.Lookup()
synthLookup.LookupFlag = 0
synthLookup.LookupType = 1
synthLookup.SubTableCount = 1
synthLookup.SubTable = [subtable]
if table.table.LookupList is None:
# mtiLib uses None as default value for LookupList,
# while feaLib points to an empty array with count 0
# TODO: make them do the same
table.table.LookupList = otTables.LookupList()
table.table.LookupList.Lookup = []
table.table.LookupList.LookupCount = 0
table.table.LookupList.Lookup.append(synthLookup)
table.table.LookupList.LookupCount += 1
feature.Feature.LookupListIndex[:0] = [synthLookup]
feature.Feature.LookupCount += 1
DefaultTable.merge(self, m, tables)
return self
def test_preWrite_format1(self):
table = otTables.SingleSubst()
table.mapping = {"A": "a", "B": "b", "C": "c"}
rawTable = table.preWrite(self.font)
self.assertEqual(table.Format, 1)
self.assertEqual(rawTable["Coverage"].glyphs, ["A", "B", "C"])
self.assertEqual(rawTable["DeltaGlyphID"], 5)
def merge(self, m, tables):
assert len(tables) == len(m.duplicateGlyphsPerFont)
for i, (table, dups) in enumerate(zip(tables, m.duplicateGlyphsPerFont)):
if not dups: continue
assert (
table is not None and table is not NotImplemented
), "Have duplicates to resolve for font %d but no GSUB" % (i + 1)
lookupMap = dict((id(v), v) for v in table.table.LookupList.Lookup)
featureMap = dict(
(id(v), v) for v in table.table.FeatureList.FeatureRecord)
synthFeature = None
synthLookup = None
for script in table.table.ScriptList.ScriptRecord:
if script.ScriptTag == 'DFLT': continue # XXX
for langsys in [script.Script.DefaultLangSys] + [
l.LangSys for l in script.Script.LangSysRecord
]:
feature = [
featureMap[v] for v in langsys.FeatureIndex
if featureMap[v].FeatureTag == 'locl'
]
assert len(feature) <= 1
if feature:
feature = feature[0]
else:
if not synthFeature:
synthFeature = otTables.FeatureRecord()
synthFeature.FeatureTag = 'locl'
f = synthFeature.Feature = otTables.Feature()
f.FeatureParams = None
f.LookupCount = 0
f.LookupListIndex = []
langsys.FeatureIndex.append(id(synthFeature))
featureMap[id(synthFeature)] = synthFeature
langsys.FeatureIndex.sort(
key=lambda v: featureMap[v].FeatureTag)
table.table.FeatureList.FeatureRecord.append(
synthFeature)
table.table.FeatureList.FeatureCount += 1
feature = synthFeature
if not synthLookup:
subtable = otTables.SingleSubst()
subtable.mapping = dups
synthLookup = otTables.Lookup()
synthLookup.LookupFlag = 0
synthLookup.LookupType = 1
synthLookup.SubTableCount = 1
synthLookup.SubTable = [subtable]
table.table.LookupList.Lookup.append(synthLookup)
table.table.LookupList.LookupCount += 1
feature.Feature.LookupListIndex[:0] = [id(synthLookup)]
feature.Feature.LookupCount += 1
DefaultTable.merge(self, m, tables)
return self
def test_postRead_format1(self):
table = otTables.SingleSubst()
table.Format = 1
rawTable = {
"Coverage": makeCoverage(["A", "B", "C"]),
"DeltaGlyphID": 5
}
table.postRead(rawTable, self.font)
self.assertEqual(table.mapping, {"A": "a", "B": "b", "C": "c"})
def merge(self, m, tables):
assert len(tables) == len(m.duplicateGlyphsPerFont)
for i,(table,dups) in enumerate(zip(tables, m.duplicateGlyphsPerFont)):
if not dups: continue
if table is None or table is NotImplemented:
# Checks whether the dups are equivalent or not.
# Discard gid if its shape is not equal to that of oldgid.
for oldgid, gid in dups.items():
if not isGlyphSame(m.fonts, oldgid, gid):
oldgname, oldidx = getGlyphNameAndFontIndex(oldgid)
gname, idx = getGlyphNameAndFontIndex(gid)
log.warn("%s:<%s> is dropped and replaced by %s:<%s>" % (m.fontfiles[idx], gname, m.fontfiles[oldidx], oldgname))
continue
lookupMap = {id(v):v for v in table.table.LookupList.Lookup}
featureMap = {id(v):v for v in table.table.FeatureList.FeatureRecord}
synthFeature = None
synthLookup = None
for script in table.table.ScriptList.ScriptRecord:
if script.ScriptTag == 'DFLT': continue # XXX
for langsys in [script.Script.DefaultLangSys] + [l.LangSys for l in script.Script.LangSysRecord]:
if langsys is None: continue # XXX Create!
feature = [featureMap[v] for v in langsys.FeatureIndex if featureMap[v].FeatureTag == 'locl']
assert len(feature) <= 1
if feature:
feature = feature[0]
else:
if not synthFeature:
synthFeature = otTables.FeatureRecord()
synthFeature.FeatureTag = 'locl'
f = synthFeature.Feature = otTables.Feature()
f.FeatureParams = None
f.LookupCount = 0
f.LookupListIndex = []
langsys.FeatureIndex.append(id(synthFeature))
featureMap[id(synthFeature)] = synthFeature
langsys.FeatureIndex.sort(key=lambda v: featureMap[v].FeatureTag)
table.table.FeatureList.FeatureRecord.append(synthFeature)
table.table.FeatureList.FeatureCount += 1
feature = synthFeature
if not synthLookup:
subtable = otTables.SingleSubst()
subtable.mapping = dups
synthLookup = otTables.Lookup()
synthLookup.LookupFlag = 0
synthLookup.LookupType = 1
synthLookup.SubTableCount = 1
synthLookup.SubTable = [subtable]
table.table.LookupList.Lookup.append(synthLookup)
table.table.LookupList.LookupCount += 1
feature.Feature.LookupListIndex[:0] = [id(synthLookup)]
feature.Feature.LookupCount += 1
DefaultTable.merge(self, m, tables)
return self
def test_toXML2(self):
writer = XMLWriter(StringIO())
table = otTables.SingleSubst()
table.mapping = {"A": "a", "B": "b", "C": "c"}
table.toXML2(writer, self.font)
self.assertEqual(writer.file.getvalue().splitlines()[1:], [
'<Substitution in="A" out="a"/>',
'<Substitution in="B" out="b"/>',
'<Substitution in="C" out="c"/>',
])
def test_postRead_format2(self):
table = otTables.SingleSubst()
table.Format = 2
rawTable = {
"Coverage": makeCoverage(["A", "B", "C"]),
"GlyphCount": 3,
"Substitute": ["c", "b", "a"]
}
table.postRead(rawTable, self.font)
self.assertEqual(table.mapping, {"A": "c", "B": "b", "C": "a"})
def build(self):
lookup = otTables.Lookup()
lookup.SubTable = []
st = otTables.SingleSubst()
st.mapping = self.mapping
lookup.SubTable.append(st)
lookup.LookupFlag = self.lookup_flag
lookup.LookupType = self.lookup_type
lookup.SubTableCount = len(lookup.SubTable)
return lookup
def build(self):
subtable = otTables.SingleSubst()
subtable.mapping = self.mapping
return self.buildLookup_([subtable])
def test_postRead_formatUnknown(self):
table = otTables.SingleSubst()
table.Format = 987
rawTable = {"Coverage": makeCoverage(["A", "B", "C"])}
self.assertRaises(AssertionError, table.postRead, rawTable, self.font)
def buildSingleSubstSubtable(mapping):
if not mapping:
return None
self = ot.SingleSubst()
self.mapping = dict(mapping)
return self
