_g_v_a_r.py 文件源码

def decompileOffsets_(data, tableFormat, glyphCount):
        if tableFormat == 0:
            # Short format: array of UInt16
            offsets = array.array("H")
            offsetsSize = (glyphCount + 1) * 2
        else:
            # Long format: array of UInt32
            offsets = array.array("I")
            offsetsSize = (glyphCount + 1) * 4
        offsets.fromstring(data[0 : offsetsSize])
        if sys.byteorder != "big":
            offsets.byteswap()

        # In the short format, offsets need to be multiplied by 2.
        # This is not documented in Apple's TrueType specification,
        # but can be inferred from the FreeType implementation, and
        # we could verify it with two sample GX fonts.
        if tableFormat == 0:
            offsets = [off * 2 for off in offsets]

        return offsets