用备课系统开发远程教育课件

ITMAPFILEHEADER hdr;
LPBITMAPINFOHEADER lpbmpih;
HGLOBAL hg;
unsigned int j;
char FileBuffer[640*480];

hmf=::GetMetaFile(metafile);
hDisplayDC=CreateDC("DISPLAY",NULL,NULL,NULL);
hMemDC=::CreateCompatibleDC(hDisplayDC);
hbmp=::CreateCompatibleBitmap(hDisplayDC,width,height);
hold=(HBITMAP)::SelectObject(hMemDC,hbmp);
PatBlt(hMemDC,0,0,width,height,WHITENESS);
SetMapMode(hMemDC,MM_ANISOTROPIC);
SetWindowOrgEx(hMemDC,0,0,NULL);
SetViewportExtEx(hMemDC,width,height,NULL);
PlayMetaFile(hMemDC,hmf);
hbmp=(HBITMAP)::SelectObject(hMemDC,hold);

if((fh=OpenFile(targetBmp,&of,OF_CREATE|OF_READWRITE))==-1)
{
return 0;
}
hdr.bfType=0x4d42;
hdr.bfSize=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)+2*256*sizeof(RGBQUAD)+width*height;
hdr.bfReserved1=0;
hdr.bfReserved2=0;
hdr.bfOffBits=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)+256*sizeof(RGBQUAD);
_lwrite(fh,(LPSTR)&hdr,sizeof(BITMAPFILEHEADER));
hg=GlobalAlloc(GHND,sizeof(BITMAPINFOHEADER)+256*sizeof(RGBQUAD));
lpbmpih=(LPBI

TMAPINFOHEADER)GlobalLock(hg);
lpbmpih->biSize=sizeof(BITMAPINFOHEADER);
lpbmpih->biWidth=width;
lpbmpih->biHeight=height;
lpbmpih->biPlanes=1;
lpbmpih->biBitCount=8;
lpbmpih->biCompression=0;
lpbmpih->biSizeImage=width*height;
lpbmpih->biXPelsPerMeter=3790;
lpbmpih->biYPelsPerMeter=3780;
lpbmpih->biClrUsed=256;
lpbmpih->biClrImportant=0;
j=GetDIBits(hMemDC,hbmp,0,height,NULL,(BITMAPINFO*)lpbmpih,DIB_RGB_COLORS);
lpbmpih->biSize=sizeof(BITMAPINFOHEADER);
_lwrite(fh,(LPSTR)lpbmpih,sizeof(BITMAPINFOHEADER)+256*sizeof(RGBQUAD));
j=GetDIBits(hMemDC,hbmp,0,height,(LPSTR)FileBuffer,(BITMAPINFO*)lpbmpih,DIB_RGB_COLORS);

if(j==0)
{
LPVOID lpMsgBuf;
FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, NULL,
GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR) &lpMsgBuf, 0, NULL );
MessageBox( NULL, (LPCTSTR)lpMsgBuf, "Error", MB_OK | MB_ICONINFORMATION );
LocalFree( lpMsgBuf );
}
_hwrite(fh,(LPSTR)FileBuffer,256*sizeof(RGBQUAD)

《用备课系统开发远程教育课件(第3页)》