图片字节流生成bmp文件

 1     BITMAPFILEHEADER   bfh;//文件头
 2     bfh.bfType=0x4d42;
     bfh.bfOffBits=sizeof(bfh)+sizeof(BITMAPINFOHEADER);
     bfh.bfSize=bfh.bfOffBits+m_nWidth*m_nHeight*;
     bfh.bfReserved1=;
     bfh.bfReserved2=;

     CFile   file;
     CFileFind findFile;
     if (findFile.FindFile(strpath))
     {
         file.Remove(strpath);
     }

     if(!file.Open(strpath,CFile::modeCreate|CFile::modeRead|CFile::modeWrite))
     {
         AfxMessageBox("error!");
         return;
     }
     file.Write(&bfh,sizeof(bfh));
     file.Write(m_pBmpInfo,sizeof(BITMAPINFOHEADER));
     file.Write(m_pBmpData,m_nWidth*m_nHeight*);
     file.Close();

PS：位图信息头文件定义

         BITMAPINFO* m_pBmpInfo = new BITMAPINFO[sizeof(BITMAPINFOHEADER)+sizeof(RGBQUAD)];
         m_pBmpInfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
         m_pBmpInfo->bmiHeader.biBitCount = ;
         m_pBmpInfo->bmiHeader.biWidth = m_nWidth;
         m_pBmpInfo->bmiHeader.biHeight = -m_nHeight;
         m_pBmpInfo->bmiHeader.biPlanes = ;
         m_pBmpInfo->bmiHeader.biCompression = BI_RGB;
         m_pBmpInfo->bmiHeader.biSizeImage = ;
         m_pBmpInfo->bmiHeader.biXPelsPerMeter = ;
         m_pBmpInfo->bmiHeader.biYPelsPerMeter = ;
         m_pBmpInfo->bmiHeader.biClrUsed = ;
         m_pBmpInfo->bmiHeader.biClrImportant = ;