char bmppath[]="1.bmp";
 FILE *fp=fopen(bmppath,"rb");
 if(fp==0)
  return ;
 fseek(fp,sizeof(BITMAPFILEHEADER),0);
 BITMAPINFOHEADER head;
 fread(&head,sizeof(BITMAPINFOHEADER),1,fp);
 int bmpHeight=head.biHeight;
 int bmpWidth=head.biWidth;
 int biBitCount=head.biBitCount;
 int lineByte=(bmpWidth*biBitCount/8+3)/4*4;
 RGBQUAD *pColorTable;
 if(biBitCount==8)
 {
  pColorTable=new RGBQUAD[256];
  fread(pColorTable,sizeof(RGBQUAD),256,fp);
 }
 unsigned char *pBmpBuf=new unsigned char[lineByte*bmpHeight];
 fread(pBmpBuf,1,lineByte*bmpHeight,fp);
 
 CDC       *m_pMemDC;
 m_pMemDC = new CDC();
 CDC *pDC=GetDC();
 m_pMemDC->CreateCompatibleDC(pDC);
 CBitmap   *m_pOldBmp=NULL;
 CBitmap   *m_pMemBmp = new CBitmap();       //根据图片的大小创建一个兼容位图
 m_pMemBmp->CreateCompatibleBitmap(pDC, bmpWidth,bmpHeight );
 m_pOldBmp = m_pMemDC->SelectObject(m_pMemBmp);
 
 //把图像的数据绘制到兼容位图上
 
    SetDIBits(m_pMemDC->GetSafeHdc(), (HBITMAP)m_pMemBmp->m_hObject,
  0, bmpHeight, (LPVOID)pBmpBuf, (BITMAPINFO*)&head, DIB_RGB_COLORS);
 m_pMemDC->SetBkMode(TRANSPARENT);
 m_pMemDC->SetTextColor(RGB(255, 0, 0));
 m_pMemDC->TextOut(10,100,"adasd");

 unsigned char *pTemp = new unsigned char[lineByte*bmpHeight];
 GetDIBits(m_pMemDC->GetSafeHdc(), (HBITMAP)m_pMemBmp->m_hObject, 0, bmpHeight,
  (LPVOID)pTemp, (BITMAPINFO*)&head, DIB_RGB_COLORS);
 fclose(fp);

 char bmpwrite[]="2.bmp";
 fp=fopen(bmpwrite,"wb");
 BITMAPFILEHEADER fileHead;
 fileHead.bfType=0x4D42;
 fileHead.bfSize=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)+lineByte*bmpHeight;
 fileHead.bfReserved1=0;
 fileHead.bfReserved2=0;
 fileHead.bfOffBits=54;
 fwrite(&fileHead,sizeof(BITMAPFILEHEADER),1,fp);

 fwrite(&head,sizeof(BITMAPINFOHEADER),1,fp);
 fwrite(pTemp,lineByte*bmpHeight,1,fp);
 fclose(fp);