raw转bmp

来源：互联网发布：小米电视怎么样知乎编辑：程序博客网时间：2024/06/05 10:52
int saveRawToBmp(uint8_t *pBuf, int32_t width, int32_t height, const char *pFileName){    char heard[54] = { \            0x42,0x4d,0x30,0x0C,0x01,0x00,0x00,0x00,0x00,0x00, \            0x36,0x04,0x00,0x00,0x28,0x00,0x00,0x00,0xF5,0x00, \            0x00,0x00,0x46,0x00,0x00,0x00,0x01,0x00,0x08,0x00, \            0x00,0x00,0x00,0x00,0xF8,0x0b,0x01,0x00,0x12,0x0b, \            0x00,0x00,0x12,0x0b,0x00,0x00,0x00,0x00,0x00,0x00, \            0x00,0x00,0x00,0x00 };    char patte[1024] = {0};    char end[2] = {0, 0};    char color = 0;    int32_t w = width;    int32_t h = height;    int32_t size = w * h;    int32_t allsize = size + 1080;    int32_t pos = 0;    int32_t idx = 0;    int32_t ret = 0;    FILE *pFp = NULL;    do    {        if ((NULL == pBuf) || (NULL == pFileName))        {            ret = -1;            break;        }        if ((width < 0) || (height < 0))        {            ret = -2;            break;        }        heard[2] = allsize & 0xFF;        heard[3] = (allsize >> 8) & 0xFF;        heard[4] = (allsize >> 16) & 0xFF;        heard[5] = (allsize >> 24) & 0xFF;        heard[18] = w & 0xFF;        heard[19] = (w >> 8) & 0xFF;        heard[20] = (w >> 16) & 0xFF;        heard[21] = (w >> 24) & 0xFF;        heard[22] = h & 0xFF;        heard[23] = (h >> 8) & 0xFF;        heard[24] = (h >> 16)  & 0xFF;        heard[25] = (h >> 24) & 0xFF;        allsize -= 1078;        heard[34] = allsize & 0xFF;        heard[35] = (allsize >> 8) & 0xFF;        heard[36] = (allsize >>  16) & 0xFF;        heard[37] = (allsize >> 24) &  0xFF;        for (idx = 0; idx < 1024; idx += 4)        {            patte[pos++] = color;            patte[pos++] = color;            patte[pos++] = color;            patte[pos++] = 0;            color++;        }        //====== Write raw data ======        pFp = fopen(pFileName, "wb");        if (NULL == pFp)        {            ret = -3;            break;        }        fwrite(heard, 1, sizeof(heard), pFp);        fwrite(patte, 1, sizeof(patte), pFp);#if 1        for (idx = height - 1; idx >= 0; idx--)        {            fwrite(&pBuf[idx * width], sizeof(uint8_t) * width, 1, pFp);        }#else        fwrite(buf, 1, size, pFp);#endif        fwrite(end, 1, sizeof(end), pFp);        fflush(pFp);        if (0 != fsync(fileno(pFp)))        {            ret = -4;            break;        }    } while (0);    if (NULL != pFp)    {        fclose(pFp);        pFp = NULL;    }    return ret;}
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