unsigned char* ReadBmpFromFile(const char* szFileName, int &riWidth, int &riHeight)
{
  BITMAPFILEHEADER     bfh;
  BITMAPINFOHEADER     bih;

  int                i, j, h, v, lev, l, ls;
  unsigned char*     buff = NULL;

  unsigned char* p_palette = NULL;
  unsigned short n_colors = 0;

  unsigned char* pRGBBuffer=NULL;

  FILE* hfile;
  fopen_s(&hfile,szFileName, "rb");

  if (hfile != NULL)
  {
    fread(&bfh, sizeof(bfh), 1, hfile);
    if (!(bfh.bfType != 0x4d42 || (bfh.bfOffBits < (sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER)))))
    {
      fread(&bih, sizeof(bih), 1, hfile);
      v = bih.biWidth;
      h = bih.biHeight;
      lev = bih.biBitCount;

      riWidth = v;
      riHeight = h;
      pRGBBuffer = new unsigned char[riWidth*riHeight * 3]; //Zaalokowanie odpowiedniego buffora obrazu

                                                            //Załaduj Palete barw jesli jest
      if ((lev == 1) || (lev == 4) || (lev == 8))
      {
        n_colors = 1 << lev;
        p_palette = new unsigned char[4 * n_colors];
        fread(p_palette, 4 * n_colors, 1, hfile);
      }

      fseek(hfile, bfh.bfOffBits, SEEK_SET);

      buff = new unsigned char[v * 4];

      switch (lev)
      {
      case 1:
        //Nie obsługiwane
        break;
      case 4:
        //nie Obsługiwane
        break;
      case 8: //Skala szarości
        ls = (v + 3) & 0xFFFFFFFC;
        for (j = (h - 1); j >= 0; j--)
        {
          fread(buff, ls, 1, hfile);
          for (i = 0, l = 0; i= 0; j--)
        {
          //x_fread(hfile,buff,ls);
          fread(buff, ls, 1, hfile);
          for (i = 0, l = 0; i= 0; j--)
        {
          fread(buff, v * 4, 1, hfile);
          for (i = 0, l = 0; i