__init__.py 文件源码

def subset_glyphs(self, s):
    table = self.table.Baseline
    if table.Format in (1, 3):
        baselines = {glyph: table.BaselineValues.get(glyph, table.DefaultBaseline)
                     for glyph in s.glyphs}
        if len(baselines) > 0:
            mostCommon, _cnt = Counter(baselines.values()).most_common(1)[0]
            table.DefaultBaseline = mostCommon
            baselines = {glyph: b for glyph, b in baselines.items()
                         if b != mostCommon}
        if len(baselines) > 0:
            table.BaselineValues = baselines
        else:
            table.Format = {1: 0, 3: 2}[table.Format]
            del table.BaselineValues
    return True