def parseGDEF(lines, font): container = ttLib.getTableClass('GDEF')() log.debug("Parsing GDEF") self = ot.GDEF() fields = { 'class definition begin': ('GlyphClassDef', lambda lines, font: parseClassDef(lines, font, klass=ot.GlyphClassDef)), 'attachment list begin': ('AttachList', parseAttachList), 'carets begin': ('LigCaretList', parseCaretList), 'mark attachment class definition begin': ('MarkAttachClassDef', lambda lines, font: parseClassDef(lines, font, klass=ot.MarkAttachClassDef)), 'markfilter set definition begin': ('MarkGlyphSetsDef', parseMarkFilteringSets), } for attr,parser in fields.values(): setattr(self, attr, None) while lines.peek() is not None: typ = lines.peek()[0].lower() if typ not in fields: log.debug('Skipping %s', typ) next(lines) continue attr,parser = fields[typ] assert getattr(self, attr) is None, attr setattr(self, attr, parser(lines, font)) self.Version = 0x00010000 if self.MarkGlyphSetsDef is None else 0x00010002 container.table = self return container
def _merge_OTL(font, model, master_fonts, axisTags): log.info("Merging OpenType Layout tables") merger = VariationMerger(model, axisTags, font) merger.mergeTables(font, master_fonts, ['GSUB', 'GDEF', 'GPOS']) store = merger.store_builder.finish() if not store.VarData: return try: GDEF = font['GDEF'].table assert GDEF.Version <= 0x00010002 except KeyError: font['GDEF'] = newTable('GDEF') GDEFTable = font["GDEF"] = newTable('GDEF') GDEF = GDEFTable.table = ot.GDEF() GDEF.GlyphClassDef = None GDEF.AttachList = None GDEF.LigCaretList = None GDEF.MarkAttachClassDef = None GDEF.MarkGlyphSetsDef = None GDEF.Version = 0x00010003 GDEF.VarStore = store # Optimize varidx_map = store.optimize() GDEF.remap_device_varidxes(varidx_map) if 'GPOS' in font: font['GPOS'].table.remap_device_varidxes(varidx_map)
def makeGDEF(self): gdef = otTables.GDEF() gdef.Version = 1.0 gdef.GlyphClassDef = otTables.GlyphClassDef() inferredGlyphClass = {} for lookup in self.lookups_: inferredGlyphClass.update(lookup.inferGlyphClasses()) marks = {} # glyph --> markClass for markClass in self.parseTree.markClasses.values(): for markClassDef in markClass.definitions: for glyph in markClassDef.glyphSet(): other = marks.get(glyph) if other not in (None, markClass): name1, name2 = sorted([markClass.name, other.name]) raise FeatureLibError( 'Glyph %s cannot be both in ' 'markClass @%s and @%s' % (glyph, name1, name2), markClassDef.location) marks[glyph] = markClass inferredGlyphClass[glyph] = 3 gdef.GlyphClassDef.classDefs = inferredGlyphClass gdef.AttachList = None gdef.LigCaretList = None markAttachClass = {g: c for g, (c, _) in self.markAttach_.items()} if markAttachClass: gdef.MarkAttachClassDef = otTables.MarkAttachClassDef() gdef.MarkAttachClassDef.classDefs = markAttachClass else: gdef.MarkAttachClassDef = None if self.markFilterSets_: gdef.Version = 0x00010002 m = gdef.MarkGlyphSetsDef = otTables.MarkGlyphSetsDef() m.MarkSetTableFormat = 1 m.MarkSetCount = len(self.markFilterSets_) m.Coverage = [] filterSets = [(id, glyphs) for (glyphs, id) in self.markFilterSets_.items()] for i, glyphs in sorted(filterSets): coverage = otTables.Coverage() coverage.glyphs = sorted(glyphs, key=self.font.getGlyphID) m.Coverage.append(coverage) if (len(gdef.GlyphClassDef.classDefs) == 0 and gdef.MarkAttachClassDef is None): return None result = getTableClass("GDEF")() result.table = gdef return result
def _merge_OTL(font, model, master_fonts, axisTags): log.info("Merging OpenType Layout tables") merger = VariationMerger(model, axisTags, font) merger.mergeTables(font, master_fonts, ['GPOS']) store = merger.store_builder.finish() try: GDEF = font['GDEF'].table assert GDEF.Version <= 0x00010002 except KeyError: font['GDEF']= newTable('GDEF') GDEFTable = font["GDEF"] = newTable('GDEF') GDEF = GDEFTable.table = ot.GDEF() GDEF.Version = 0x00010003 GDEF.VarStore = store
def buildGDEF(self): gdef = otTables.GDEF() gdef.GlyphClassDef = self.buildGDEFGlyphClassDef_() gdef.AttachList = \ otl.buildAttachList(self.attachPoints_, self.glyphMap) gdef.LigCaretList = \ otl.buildLigCaretList(self.ligCaretCoords_, self.ligCaretPoints_, self.glyphMap) gdef.MarkAttachClassDef = self.buildGDEFMarkAttachClassDef_() gdef.MarkGlyphSetsDef = self.buildGDEFMarkGlyphSetsDef_() gdef.Version = 0x00010002 if gdef.MarkGlyphSetsDef else 1.0 if any((gdef.GlyphClassDef, gdef.AttachList, gdef.LigCaretList, gdef.MarkAttachClassDef, gdef.MarkGlyphSetsDef)): result = getTableClass("GDEF")() result.table = gdef return result else: return None
def add_gdef_table(font, class_defs): font["GDEF"] = gdef = newTable("GDEF") class_def_table = otTables.GlyphClassDef() class_def_table.classDefs = class_defs gdef.table = otTables.GDEF() gdef.table.GlyphClassDef = class_def_table