多文档主程序如果加背景图片,要求是JPG格式的,怎么加呢?

[mygodness]

要求如题,谢谢了..

[mygodness]

试试哦..先行谢过..

[lzwcom]

//---h----
IPicture* pPicture;
//--cpp---
LoadPicture(sFileName,&pPicture);
...
OnDraw(CDC* pDC)
{
CRect rc;
GetClientRect(&rc)
long width,height;
pPicture->get_Width(&width);
pPicture->get_Height(&height);
pPicture->Render(pDC->GetSafeHdc(),rc.left,rc.top,rc.Width(),rc.Height(),
0,height,width,-height,NULL)

}

// The implement of LoadPicture
BOOL LoadPicture(LPCTSTR szFile,IPicture** ppPicture)
{
IStream* pStream;
HGLOBAL hGlobal = NULL;
try
{
CFile file;
if(!file.Open(szFile,CFile::modeRead))
{
return FALSE;
}
DWORD dwSize = file.GetLength();
hGlobal = GlobalAlloc(GMEM_MOVEABLE | GMEM_NODISCARD,dwSize);
if(hGlobal == NULL)
{
return FALSE;
}
char* pData = (char*)GlobalLock(hGlobal);
file.Read(pData,dwSize);
GlobalUnlock(hGlobal);
file.Close();
if(FAILED(CreateStreamOnHGlobal(hGlobal,FALSE,&pStream)))
{
GlobalFree(hGlobal);
return FALSE;
}
if(FAILED(OleLoadPicture(pStream,dwSize,FALSE,IID_IPicture,(LPVOID*)ppPicture)))
{
pStream->Release();
GlobalFree(hGlobal);
return FALSE;
}
pStream->Release();

GlobalFree(hGlobal);
}
catch(CFileException& e)
{
if(pStream != NULL)
pStream->Release();
if(hGlobal!=NULL)
GlobalFree(hGlobal);

return FALSE;
}
catch(...)
{
if(pStream != NULL)
pStream->Release();
if(hGlobal!=NULL)
GlobalFree(hGlobal);
return FALSE;
}
return TRUE;
}

[mygodness]

拜托了哦...

[wangjue28]

#include <jpeg.hpp>

TJPEGImage *Jpg = new TJPEGImage () ;
Jpg ->LoadFromFile("c:\\tmp\\lll.jpg") ;
Image1->Picture->Bitmap->Assign ( Jpg ) ;

delete Jpg ;