raw转bmp程序c语言,raw转bmp

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;

}