def merge(merger, self, lst): # Align them glyphs, padded = _merge_GlyphOrders(merger.font, [[v.SecondGlyph for v in vs.PairValueRecord] for vs in lst], [vs.PairValueRecord for vs in lst]) self.PairValueRecord = pvrs = [] for glyph in glyphs: pvr = ot.PairValueRecord() pvr.SecondGlyph = glyph pvr.Value1 = otBase.ValueRecord(merger.valueFormat1) if merger.valueFormat1 else None pvr.Value2 = otBase.ValueRecord(merger.valueFormat2) if merger.valueFormat2 else None pvrs.append(pvr) self.PairValueCount = len(self.PairValueRecord) for i,values in enumerate(padded): for j,glyph in enumerate(glyphs): # Fill in value from other subtables v = ot.PairValueRecord() v.SecondGlyph = glyph if values[j] is not None: vpair = values[j] else: vpair = _Lookup_PairPos_get_effective_value_pair(merger.lookup_subtables[i], self._firstGlyph, glyph) if vpair is None: v1, v2 = None, None else: v1, v2 = vpair.Value1, vpair.Value2 v.Value1 = otBase.ValueRecord(merger.valueFormat1, src=v1) if merger.valueFormat1 else None v.Value2 = otBase.ValueRecord(merger.valueFormat2, src=v2) if merger.valueFormat2 else None values[j] = v del self._firstGlyph merger.mergeLists(self.PairValueRecord, padded)
def merge(merger, self, lst):
self.ValueFormat = valueFormat = reduce(int.__or__,
[l.ValueFormat for l in lst], 0)
if not (len(lst) == 1 or (valueFormat & ~0xF == 0)):
raise UnsupportedFormat(merger, subtable="single positioning lookup")
# If all have same coverage table and all are format 1,
coverageGlyphs = self.Coverage.glyphs
if all(v.Format == 1
for v in lst) and all(coverageGlyphs == v.Coverage.glyphs
for v in lst):
self.Value = otBase.ValueRecord(valueFormat, self.Value)
if valueFormat != 0:
merger.mergeThings(self.Value, [v.Value for v in lst])
self.ValueFormat = self.Value.getFormat()
return
# Upgrade everything to Format=2
self.Format = 2
lst = [_SinglePosUpgradeToFormat2(v) for v in lst]
# Align them
glyphs, padded = _merge_GlyphOrders(merger.font,
[v.Coverage.glyphs for v in lst],
[v.Value for v in lst])
self.Coverage.glyphs = glyphs
self.Value = [otBase.ValueRecord(valueFormat) for _ in glyphs]
self.ValueCount = len(self.Value)
for i, values in enumerate(padded):
for j, glyph in enumerate(glyphs):
if values[j] is not None: continue
# Fill in value from other subtables
# Note!!! This *might* result in behavior change if ValueFormat2-zeroedness
# is different between used subtable and current subtable!
# TODO(behdad) Check and warn if that happens?
v = _Lookup_SinglePos_get_effective_value(
merger, merger.lookup_subtables[i], glyph)
if v is None:
v = otBase.ValueRecord(valueFormat)
values[j] = v
merger.mergeLists(self.Value, padded)
# Merge everything else; though, there shouldn't be anything else. :)
merger.mergeObjects(self,
lst,
exclude=('Format', 'Coverage', 'Value', 'ValueCount',
'ValueFormat'))
self.ValueFormat = reduce(int.__or__,
[v.getEffectiveFormat() for v in self.Value], 0)
def merge(merger, self, lst):
self.ValueFormat = valueFormat = reduce(int.__or__,
[l.ValueFormat for l in lst], 0)
assert valueFormat & ~0xF == 0, valueFormat
# If all have same coverage table and all are format 1,
if all(v.Format == 1
for v in lst) and all(self.Coverage.glyphs == v.Coverage.glyphs
for v in lst):
self.Value = otBase.ValueRecord(valueFormat)
merger.mergeThings(self.Value, [v.Value for v in lst])
self.ValueFormat = self.Value.getFormat()
return
# Upgrade everything to Format=2
self.Format = 2
lst = [_SinglePosUpgradeToFormat2(v) for v in lst]
# Align them
glyphs, padded = _merge_GlyphOrders(merger.font,
[v.Coverage.glyphs for v in lst],
[v.Value for v in lst])
self.Coverage.glyphs = glyphs
self.Value = [otBase.ValueRecord(valueFormat) for g in glyphs]
self.ValueCount = len(self.Value)
for i, values in enumerate(padded):
for j, glyph in enumerate(glyphs):
if values[j] is not None: continue
# Fill in value from other subtables
v = _Lookup_SinglePos_get_effective_value(
merger.lookup_subtables[i], glyph)
if v is None:
v = otBase.ValueRecord(valueFormat)
values[j] = v
merger.mergeLists(self.Value, padded)
# Merge everything else; though, there shouldn't be anything else. :)
merger.mergeObjects(self,
lst,
exclude=('Format', 'Coverage', 'Value', 'ValueCount'))
self.ValueFormat = reduce(int.__or__, [v.getFormat() for v in self.Value],
0)
def makeOpenTypeValueRecord(v):
"""ast.ValueRecord --> (otBase.ValueRecord, int ValueFormat)"""
if v is None:
return None, 0
vr = otBase.ValueRecord()
if v.xPlacement:
vr.XPlacement = v.xPlacement
if v.yPlacement:
vr.YPlacement = v.yPlacement
if v.xAdvance:
vr.XAdvance = v.xAdvance
if v.yAdvance:
vr.YAdvance = v.yAdvance
if v.xPlaDevice:
vr.XPlaDevice = otTables.XPlaDevice()
_makeOpenTypeDeviceTable(vr.XPlaDevice, v.xPlaDevice)
if v.yPlaDevice:
vr.YPlaDevice = otTables.YPlaDevice()
_makeOpenTypeDeviceTable(vr.YPlaDevice, v.yPlaDevice)
if v.xAdvDevice:
vr.XAdvDevice = otTables.XAdvDevice()
_makeOpenTypeDeviceTable(vr.XAdvDevice, v.xAdvDevice)
if v.yAdvDevice:
vr.YAdvDevice = otTables.YAdvDevice()
_makeOpenTypeDeviceTable(vr.YAdvDevice, v.yAdvDevice)
vrMask = 0
for mask, name, _, _ in otBase.valueRecordFormat:
if getattr(vr, name, 0) != 0:
vrMask |= mask
if vrMask == 0:
return None, 0
else:
return vr, vrMask
def _PairPosFormat2_align_matrices(self, lst, font, transparent=False):
matrices = [l.Class1Record for l in lst]
# Align first classes
self.ClassDef1, classes = _ClassDef_merge_classify(
[l.ClassDef1 for l in lst], [l.Coverage.glyphs for l in lst])
self.Class1Count = len(classes)
new_matrices = []
for l, matrix in zip(lst, matrices):
nullRow = None
coverage = set(l.Coverage.glyphs)
classDef1 = l.ClassDef1.classDefs
class1Records = []
for classSet in classes:
exemplarGlyph = next(iter(classSet))
if exemplarGlyph not in coverage:
# Follow-up to e6125b353e1f54a0280ded5434b8e40d042de69f,
# Fixes https://github.com/googlei18n/fontmake/issues/470
# Again, revert 8d441779e5afc664960d848f62c7acdbfc71d7b9
# when merger becomes selfless.
nullRow = None
if nullRow is None:
nullRow = ot.Class1Record()
class2records = nullRow.Class2Record = []
# TODO: When merger becomes selfless, revert e6125b353e1f54a0280ded5434b8e40d042de69f
for _ in range(l.Class2Count):
if transparent:
rec2 = None
else:
rec2 = ot.Class2Record()
rec2.Value1 = otBase.ValueRecord(
self.ValueFormat1
) if self.ValueFormat1 else None
rec2.Value2 = otBase.ValueRecord(
self.ValueFormat2
) if self.ValueFormat2 else None
class2records.append(rec2)
rec1 = nullRow
else:
klass = classDef1.get(exemplarGlyph, 0)
rec1 = matrix[klass] # TODO handle out-of-range?
class1Records.append(rec1)
new_matrices.append(class1Records)
matrices = new_matrices
del new_matrices
# Align second classes
self.ClassDef2, classes = _ClassDef_merge_classify(
[l.ClassDef2 for l in lst])
self.Class2Count = len(classes)
new_matrices = []
for l, matrix in zip(lst, matrices):
classDef2 = l.ClassDef2.classDefs
class1Records = []
for rec1old in matrix:
oldClass2Records = rec1old.Class2Record
rec1new = ot.Class1Record()
class2Records = rec1new.Class2Record = []
for classSet in classes:
if not classSet: # class=0
rec2 = oldClass2Records[0]
else:
exemplarGlyph = next(iter(classSet))
klass = classDef2.get(exemplarGlyph, 0)
rec2 = oldClass2Records[klass]
class2Records.append(copy.deepcopy(rec2))
class1Records.append(rec1new)
new_matrices.append(class1Records)
matrices = new_matrices
del new_matrices
return matrices
def _PairPosFormat2_align_matrices(self, lst, font, transparent=False):
matrices = [l.Class1Record for l in lst]
# Align first classes
self.ClassDef1, classes = _ClassDef_merge_classify(
[l.ClassDef1 for l in lst], allGlyphs=set(self.Coverage.glyphs))
_ClassDef_calculate_Format(self.ClassDef1, font)
self.Class1Count = len(classes)
new_matrices = []
for l, matrix in zip(lst, matrices):
nullRow = None
coverage = set(l.Coverage.glyphs)
classDef1 = l.ClassDef1.classDefs
class1Records = []
for classSet in classes:
exemplarGlyph = next(iter(classSet))
if exemplarGlyph not in coverage:
if nullRow is None:
nullRow = ot.Class1Record()
class2records = nullRow.Class2Record = []
# TODO: When merger becomes selfless, revert e6125b353e1f54a0280ded5434b8e40d042de69f
for _ in range(l.Class2Count):
if transparent:
rec2 = None
else:
rec2 = ot.Class2Record()
rec2.Value1 = otBase.ValueRecord(
self.ValueFormat1
) if self.ValueFormat1 else None
rec2.Value2 = otBase.ValueRecord(
self.ValueFormat2
) if self.ValueFormat2 else None
class2records.append(rec2)
rec1 = nullRow
else:
klass = classDef1.get(exemplarGlyph, 0)
rec1 = matrix[klass] # TODO handle out-of-range?
class1Records.append(rec1)
new_matrices.append(class1Records)
matrices = new_matrices
del new_matrices
# Align second classes
self.ClassDef2, classes = _ClassDef_merge_classify(
[l.ClassDef2 for l in lst])
_ClassDef_calculate_Format(self.ClassDef2, font)
self.Class2Count = len(classes)
new_matrices = []
for l, matrix in zip(lst, matrices):
classDef2 = l.ClassDef2.classDefs
class1Records = []
for rec1old in matrix:
oldClass2Records = rec1old.Class2Record
rec1new = ot.Class1Record()
class2Records = rec1new.Class2Record = []
for classSet in classes:
if not classSet: # class=0
rec2 = oldClass2Records[0]
else:
exemplarGlyph = next(iter(classSet))
klass = classDef2.get(exemplarGlyph, 0)
rec2 = oldClass2Records[klass]
class2Records.append(rec2)
class1Records.append(rec1new)
new_matrices.append(class1Records)
matrices = new_matrices
del new_matrices
return matrices
def _PairPosFormat2_merge(self, lst, merger):
merger.mergeObjects(self, lst,
exclude=('Coverage',
'ClassDef1', 'Class1Count',
'ClassDef2', 'Class2Count',
'Class1Record'))
# Align coverages
glyphs, _ = _merge_GlyphOrders(merger.font,
[v.Coverage.glyphs for v in lst])
self.Coverage.glyphs = glyphs
glyphSet = set(glyphs)
# Currently, if the coverage of PairPosFormat2 subtables are different,
# we do NOT bother walking down the subtable list when filling in new
# rows for alignment. As such, this is only correct if current subtable
# is the last subtable in the lookup. Ensure that.
#
# Note that our canonicalization process merges some PairPosFormat2's,
# so in reality this might not be common.
#
# TODO: Remove this requirement
for l,subtables in zip(lst,merger.lookup_subtables):
if l.Coverage.glyphs != glyphs:
assert l == subtables[-1]
matrices = [l.Class1Record for l in lst]
# Align first classes
self.ClassDef1, classes = _ClassDef_merge_classify([l.ClassDef1 for l in lst], allGlyphs=glyphSet)
_ClassDef_calculate_Format(self.ClassDef1, merger.font)
self.Class1Count = len(classes)
new_matrices = []
for l,matrix in zip(lst, matrices):
nullRow = None
coverage = set(l.Coverage.glyphs)
classDef1 = l.ClassDef1.classDefs
class1Records = []
for classSet in classes:
exemplarGlyph = next(iter(classSet))
if exemplarGlyph not in coverage:
if nullRow is None:
nullRow = ot.Class1Record()
class2records = nullRow.Class2Record = []
# TODO: When merger becomes selfless, revert e6125b353e1f54a0280ded5434b8e40d042de69f
for _ in range(l.Class2Count):
rec2 = ot.Class2Record()
rec2.Value1 = otBase.ValueRecord(l.ValueFormat1) if l.ValueFormat1 else None
rec2.Value2 = otBase.ValueRecord(l.ValueFormat2) if l.ValueFormat2 else None
class2records.append(rec2)
rec1 = nullRow
else:
klass = classDef1.get(exemplarGlyph, 0)
rec1 = matrix[klass] # TODO handle out-of-range?
class1Records.append(rec1)
new_matrices.append(class1Records)
matrices = new_matrices
del new_matrices
# Align second classes
self.ClassDef2, classes = _ClassDef_merge_classify([l.ClassDef2 for l in lst])
_ClassDef_calculate_Format(self.ClassDef2, merger.font)
self.Class2Count = len(classes)
new_matrices = []
for l,matrix in zip(lst, matrices):
classDef2 = l.ClassDef2.classDefs
class1Records = []
for rec1old in matrix:
oldClass2Records = rec1old.Class2Record
rec1new = ot.Class1Record()
class2Records = rec1new.Class2Record = []
for classSet in classes:
if not classSet: # class=0
rec2 = oldClass2Records[0]
else:
exemplarGlyph = next(iter(classSet))
klass = classDef2.get(exemplarGlyph, 0)
rec2 = oldClass2Records[klass]
class2Records.append(rec2)
class1Records.append(rec1new)
new_matrices.append(class1Records)
matrices = new_matrices
del new_matrices
self.Class1Record = list(matrices[0]) # TODO move merger to be selfless
merger.mergeLists(self.Class1Record, matrices)
def _PairPosFormat2_merge(self, lst, merger):
merger.mergeObjects(self,
lst,
exclude=('Coverage', 'ClassDef1', 'Class1Count',
'ClassDef2', 'Class2Count', 'Class1Record'))
# Align coverages
glyphs, _ = _merge_GlyphOrders(merger.font,
[v.Coverage.glyphs for v in lst])
self.Coverage.glyphs = glyphs
glyphSet = set(glyphs)
# Currently, if the coverage of PairPosFormat2 subtables are different,
# we do NOT bother walking down the subtable list when filling in new
# rows for alignment. As such, this is only correct if current subtable
# is the last subtable in the lookup. Ensure that.
# TODO: Remove this requirement
for l, lookup in zip(lst, merger.lookups):
if l.Coverage.glyphs != glyphs:
assert l == lookup.SubTable[-1]
matrices = [l.Class1Record for l in lst]
# Align first classes
self.ClassDef1, classes = _ClassDef_merge_classify(
[l.ClassDef1 for l in lst], allGlyphs=glyphSet)
self.Class1Count = len(classes)
new_matrices = []
for l, matrix in zip(lst, matrices):
nullRow = None
coverage = set(l.Coverage.glyphs)
classDef1 = l.ClassDef1.classDefs
class1Records = []
for classSet in classes:
exemplarGlyph = next(iter(classSet))
if exemplarGlyph not in coverage:
if nullRow is None:
rec2 = ot.Class2Record()
rec2.Value1 = otBase.ValueRecord(
l.ValueFormat1) if l.ValueFormat1 else None
rec2.Value2 = otBase.ValueRecord(
l.ValueFormat2) if l.ValueFormat2 else None
nullRow = ot.Class1Record()
nullRow.Class2Record = [rec2] * l.Class2Count
rec1 = nullRow
else:
klass = classDef1.get(exemplarGlyph, 0)
rec1 = matrix[klass] # TODO handle out-of-range?
class1Records.append(rec1)
new_matrices.append(class1Records)
matrices = new_matrices
del new_matrices
# Align second classes
self.ClassDef2, classes = _ClassDef_merge_classify(
[l.ClassDef2 for l in lst])
self.Class2Count = len(classes)
new_matrices = []
for l, matrix in zip(lst, matrices):
classDef2 = l.ClassDef2.classDefs
class1Records = []
for rec1old in matrix:
oldClass2Records = rec1old.Class2Record
rec1new = ot.Class1Record()
class2Records = rec1new.Class2Record = []
for classSet in classes:
if not classSet: # class=0
rec2 = oldClass2Records[0]
else:
exemplarGlyph = next(iter(classSet))
klass = classDef2.get(exemplarGlyph, 0)
rec2 = oldClass2Records[klass]
class2Records.append(rec2)
class1Records.append(rec1new)
new_matrices.append(class1Records)
matrices = new_matrices
del new_matrices
self.Class1Record = list(matrices[0]) # TODO move merger to be selfless
merger.mergeLists(self.Class1Record, matrices)
