void CAutoPFAView::OnPrepareDC(CDC* pDC, CPrintInfo* pInfo)
{
// TODO: Add your specialized code here and/or call the base class
CScrollView::OnPrepareDC(pDC, pInfo);
pDC->SetMapMode(MM_ANISOTROPIC);
CPoint ptVpOrg(0, 0);
ptVpOrg = -GetDeviceScrollPosition();
pDC->SetViewportOrg(ptVpOrg);
int xLogPixPerInch = pDC->GetDeviceCaps(LOGPIXELSX);
int yLogPixPerInch = pDC->GetDeviceCaps(LOGPIXELSY);
pDC->SetWindowExt(xLogPixPerInch,yLogPixPerInch);
pDC->SetViewportExt( (int)(xLogPixPerInch*m_Scale),
(int)(yLogPixPerInch*m_Scale));
m_xWindowExt = xLogPixPerInch;
m_yWindowExt = yLogPixPerInch;
m_xWindowOrg = 0;
m_xViewOrg = ptVpOrg.x;
m_yWindowOrg = 0;
m_yViewOrg = ptVpOrg.y;
m_xViewExt = xLogPixPerInch*m_Scale;
m_yViewExt = yLogPixPerInch*m_Scale;
CAutoPFADoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
CFont Font;
Font.CreateFontIndirect(&pDoc->m_workSpaceRef.GetFont());
pDC->SelectObject(&Font);
pDC->SetBkMode(TRANSPARENT);
pDC->SetTextAlign(TA_CENTER);
}
void CScrollWnd::OnPrepareDC(CDC* pDC, CPrintInfo* pInfo)
{
ASSERT_VALID(pDC);
#ifdef _DEBUG
if (m_nMapMode == MM_NONE)
{
TRACE0("Error: must call SetScrollSizes() or SetScaleToFitSize()");
TRACE0("\tbefore painting scroll Wnd.\n");
ASSERT(FALSE);
return;
}
#endif //_DEBUG
ASSERT(m_totalDev.cx >= 0 && m_totalDev.cy >= 0);
switch (m_nMapMode)
{
case MM_SCALETOFIT:
pDC->SetMapMode(MM_ANISOTROPIC);
pDC->SetWindowExt(m_totalLog); // window is in logical coordinates
pDC->SetViewportExt(m_totalDev);
if (m_totalDev.cx == 0 || m_totalDev.cy == 0)
TRACE0("Warning: CScrollWnd scaled to nothing.\n");
break;
default:
ASSERT(m_nMapMode > 0);
pDC->SetMapMode(m_nMapMode);
break;
}
CPoint ptVpOrg(0, 0); // assume no shift for printing
if (!pDC->IsPrinting())
{
ASSERT(pDC->GetWindowOrg() == CPoint(0,0));
// by default shift Viewport origin in negative direction of scroll
ptVpOrg = -GetDeviceScrollPosition();
if (m_bCenter)
{
CRect rect;
GetClientRect(&rect);
// if client area is larger than total device size,
// override scroll positions to place origin such that
// output is centered in the window
if (m_totalDev.cx < rect.Width())
ptVpOrg.x = (rect.Width() - m_totalDev.cx) / 2;
if (m_totalDev.cy < rect.Height())
ptVpOrg.y = (rect.Height() - m_totalDev.cy) / 2;
}
}
pDC->SetViewportOrg(ptVpOrg);
// CWnd::OnPrepareDC(pDC, pInfo); // For default Printing behavior
}
