我现在在视图里利用IPicture能显示图片,但是要在对话框里使命找不到法子!
好多实例是在视图里显示就是没有在对话框显示。希望大家一起来学习。
例如:
http://www.codeguru.com/bitmap/index.shtml
http://www.csdn.net/develop/read_article.asp?id=10632
我认为比较好的都是在视图里显示
向第二个贴子有在对话框里显示,就是不太明白这么实现的?
好多实例是在视图里显示就是没有在对话框显示。希望大家一起来学习。
例如:
http://www.codeguru.com/bitmap/index.shtml
http://www.csdn.net/develop/read_article.asp?id=10632
我认为比较好的都是在视图里显示
向第二个贴子有在对话框里显示,就是不太明白这么实现的?
[email protected]
IPicture *pPic;
IStream *pStm;
CFileStatus fstatus;
CFile file;
LONG cb;
CRect r_Show;
HDC hdc;
m_Show.GetClientRect(r_Show);
int xpos=r_Show.left;
int ypos=r_Show.top;
int Widthpos=r_Show.Width();
int heightpos=r_Show.Height();
if (file.Open(m_PhotoPath,CFile::modeRead)&&file.GetStatus(m_PhotoPath,fstatus)&& ((cb = fstatus.m_size) != -1))
{
HGLOBAL hGlobal = GlobalAlloc(GMEM_MOVEABLE, cb);
LPVOID pvData = NULL;
if (hGlobal != NULL)
{
if ((pvData = GlobalLock(hGlobal)) != NULL)
{
file.ReadHuge(pvData, cb);
GlobalUnlock(hGlobal);
CreateStreamOnHGlobal(hGlobal, TRUE, &pStm); if(SUCCEEDED(OleLoadPicture(pStm,fstatus.m_size,TRUE,IID_IPicture,(LPVOID*)&pPic)))
{
OLE_XSIZE_HIMETRIC hmWidth;
OLE_YSIZE_HIMETRIC hmHeight; pPic->get_Width(&hmWidth);
pPic->get_Height(&hmHeight);
// double fX,fY;
// fX = (double)pDC->GetDeviceCaps(HORZRES)*(double)hmWidth/((double)pDC->GetDeviceCaps(HORZSIZE)*100.0);
// fY = (double)pDC->GetDeviceCaps(VERTRES)*(double)hmHeight/((double)pDC->GetDeviceCaps(VERTSIZE)*100.0);
// if(FAILED(pPic->Render(*pDC,0,0,(DWORD)fX,(DWORD)fY,0,hmHeight,hmWidth,-hmHeight,NULL)))
double fX,fY;
fX = r_Show.Width();
fY = r_Show.Height();
hdc=::GetDC(m_Show.m_hWnd);
if(FAILED(pPic->Render(hdc,xpos,ypos,(DWORD)fX,(DWORD)fY,0,hmHeight,hmWidth,-hmHeight,NULL)))
AfxMessageBox("Failed To Render The picture!");
// pPic->Release();
}
else
AfxMessageBox("Error Loading Picture From Stream!");
}
}
GlobalFree(hGlobal);
}
else
AfxMessageBox("Can't Open Image File!");
[email protected]
你能不能再详细点, mfkzj() 方式还可以,我想多了解几种方式?
分数我还可以在加啊!