G__l_a_t.py 文件源码

def compile(self, ttFont):
        data = sstruct.pack(Glat_format_0, self)
        if self.version <= 1.9:
            encoder = partial(self.compileAttributes12, fmt=Glat_format_1_entry)
        elif self.version <= 2.9:
            encoder = partial(self.compileAttributes12, fmt=Glat_format_1_entry)
        elif self.version >= 3.0:
            self.compression = (self.scheme << 27) + (1 if self.hasOctaboxes else 0)
            data = sstruct.pack(Glat_format_3, self)
            encoder = self.compileAttributes3

        glocs = []
        for n in range(len(self.attributes)):
            glocs.append(len(data))
            data += encoder(self.attributes[ttFont.getGlyphName(n)])
        glocs.append(len(data))
        ttFont['Gloc'].set(glocs)

        if self.version >= 3.0:
            data = grUtils.compress(self.scheme, data)
        return data