Function ToUtf8

engine/dlib/src/dlib/utf8.cpp:59–75

    }

    uint32_t ToUtf8(uint16_t chr, char* buf)
    {
        if (chr < 0x80) {
            buf[0] = (char) chr;
            return 1;
        } else if (chr < 0x800) {
            buf[0] = (chr >> 6) | 0xc0;
            buf[1] = (chr & 0x3f) | 0x80;
            return 2;
        } else {
            buf[0] = (chr >> 12) | 0xe0;
            buf[1] = ((chr >> 6) & 0x3f) | 0x80;
            buf[2] = (chr & 0x3f) | 0x80;
            return 3;
        }
        return 0;
    }

    uint32_t StrLen(const char* str) {
        int i = 0, j = 0;