void CEx05aView::OnPrepareDC(CDC *pDC, CPrintInfo *pInfo)
{
pDC->SetMapMode(MM_ANISOTROPIC);
pDC->SetWindowExt(1440,1440);
pDC->SetViewportExt(pDC->GetDeviceCaps(LOGPIXELSX),
-pDC->GetDeviceCaps(LOGPIXELSY));
}
请帮忙解释一下SetWindowExt和SetViewportExt,MSDN看了半天还是一头雾水~
{
pDC->SetMapMode(MM_ANISOTROPIC);
pDC->SetWindowExt(1440,1440);
pDC->SetViewportExt(pDC->GetDeviceCaps(LOGPIXELSX),
-pDC->GetDeviceCaps(LOGPIXELSY));
}
请帮忙解释一下SetWindowExt和SetViewportExt,MSDN看了半天还是一头雾水~
SetViewportExt();设置视口大小,设备坐标(物理坐标),