E_B_D_T_.py 文件源码

def _readBitwiseImageData(bitmapObject, name, attrs, content, ttFont):
    bitDepth = safeEval(attrs['bitDepth'])
    metrics = SmallGlyphMetrics()
    metrics.width = safeEval(attrs['width'])
    metrics.height = safeEval(attrs['height'])

    # A dict for mapping from ASCII to binary. All characters are considered
    # a '1' except space, period and '0' which maps to '0'.
    binaryConv = {' ':'0', '.':'0', '0':'0'}

    dataRows = []
    for element in content:
        if not isinstance(element, tuple):
            continue
        name, attr, content = element
        if name == 'row':
            mapParams = zip(attr['value'], itertools.repeat('1'))
            rowData = strjoin(itertools.starmap(binaryConv.get, mapParams))
            dataRows.append(_binary2data(rowData))

    bitmapObject.setRows(dataRows, bitDepth=bitDepth, metrics=metrics, reverseBytes=True)