Function byteConvert3to4

deps/leptonica/src/encoding.c:295–304

! * \brief byteConvert3to4() */

 * \brief   byteConvert3to4()
 */
static void
byteConvert3to4(l_uint8  *in3,
                l_uint8  *out4)
{
    out4[0] = in3[0] >> 2;
    out4[1] = ((in3[0] & 0x03) << 4) | (in3[1] >> 4);
    out4[2] = ((in3[1] & 0x0f) << 2) | (in3[2] >> 6);
    out4[3] = in3[2] & 0x3f;
    return;
}

/*!
 * \brief   byteConvert4to3()