def getKerningClasses(cls, font, feaFile=None, glyphSet=None):
side1Groups, side2Groups = cls.getKerningGroups(font, glyphSet)
side1Classes = ast.makeGlyphClassDefinitions(side1Groups,
feaFile,
stripPrefix="public.")
side2Classes = ast.makeGlyphClassDefinitions(side2Groups,
feaFile,
stripPrefix="public.")
return side1Classes, side2Classes
def _makeMarkFilteringSetClass(self, lookupName, attachments, markClass,
include):
markGlyphs = (glyphName for glyphName in markClass.glyphs
if include(glyphName))
baseGlyphs = (pos.name for pos in attachments
if pos.name not in markClass.glyphs)
members = itertools.chain(markGlyphs, baseGlyphs)
className = "MFS_%s" % lookupName
return ast.makeGlyphClassDefinitions(
{className: members}, feaFile=self.context.feaFile)[className]