//////////////////////////////////////////////////////////////////////////////
// CDemoView drawing
void CDemoView::OnDraw(CDC* pDC)
{
CDemoDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
BOOL bPrinting = pDC->IsPrinting();
CMemDC* pMemDC = NULL;
if (!bPrinting) pDC = pMemDC = new CMemDC(pDC);
if (!bPrinting && m_brHatch.m_hObject){
CRect rect;
GetClientRect(&rect);
rect.right = max(rect.right , m_totalDev.cx);
rect.bottom = max(rect.bottom, m_totalDev.cy);
m_brHatch.UnrealizeObject();
CPoint pt(0, 0);
pDC->LPtoDP(&pt);
pt = pDC->SetBrushOrg(pt.x % 8, pt.y % 8);
CBrush* old = pDC->SelectObject(&m_brHatch);
pDC->FillRect(&rect, &m_brHatch);
pDC->SelectObject(old);
}
CxImage* ima = pDoc->GetImage();
if (ima) {
if (bPrinting) {
// get size of printer page (in pixels)
int cxPage = pDC->GetDeviceCaps(HORZRES);
int cyPage = pDC->GetDeviceCaps(VERTRES);
//int dcbpp = pDC->GetDeviceCaps(BITSPIXEL);
//int dcnc = pDC->GetDeviceCaps(NUMCOLORS);
//int dcp = pDC->GetDeviceCaps(PLANES);
// get printer pixels per inch
int cxInch = pDC->GetDeviceCaps(LOGPIXELSX);
int cyInch = pDC->GetDeviceCaps(LOGPIXELSY);
// Best Fit case: create a rectangle which preserves the aspect ratio
int cx = ima->GetXDPI() ? (ima->GetWidth()*cxInch)/ima->GetXDPI():ima->GetWidth()*cxInch/96;
int cy = ima->GetYDPI() ? (ima->GetHeight()*cyInch)/ima->GetYDPI():ima->GetHeight()*cyInch/96;
// print it!
/*HDC TmpDC=CreateCompatibleDC(pDC->GetSafeHdc());
HBITMAP bm =::CreateCompatibleBitmap(pDC->GetSafeHdc(), cx, cy);
HBITMAP oldbm = (HBITMAP)::SelectObject(TmpDC,bm);
BitBlt(TmpDC,0,0,cx,cy,0,0,0,WHITENESS);
ima->Draw(TmpDC,CRect(0,0,cx,cy));
BitBlt(pDC->GetSafeHdc(),100,100,cx,cy,TmpDC,0,0,SRCCOPY);
DeleteObject(SelectObject(TmpDC,oldbm));
DeleteDC(TmpDC);*/
CxImage tmp;
tmp.Copy(*ima);
RGBQUAD c={255,255,255,0};
if (tmp.GetTransIndex()>=0) tmp.SetPaletteColor((BYTE)tmp.GetTransIndex(),c);
tmp.SetTransColor(c);
tmp.AlphaStrip();
tmp.Stretch(pDC->GetSafeHdc(), CRect(100,100,cx,cy));
} else {
if (pDoc->GetStretchMode()) {
CRect rect;
GetClientRect(&rect);
ima->Draw(pDC->GetSafeHdc(), rect,0,pDoc->GetSmoothMode()!=0);
} else {
float zoom=pDoc->GetZoomFactor();
if (zoom==1)
ima->Draw(pDC->GetSafeHdc());
else
ima->Draw(pDC->GetSafeHdc(),
CRect(0,0,(int)(ima->GetWidth()*zoom),(int)(ima->GetHeight()*zoom)),
0,pDoc->GetSmoothMode()!=0);
}
if ( m_tracker.m_rect.Width()>0 && m_tracker.m_rect.Height()>0 )
m_tracker.Draw(pDC);
}
}
delete pMemDC;
}
void CDemoView::OnUpdate(CView* pSender, LPARAM lHint, CObject* pHint)
{
switch (lHint)
{
case WM_USER_NEWIMAGE:
{
m_tracker.m_rect = CRect(0,0,0,0);
CDemoDoc* pDoc = GetDocument();
CxImage* ima = pDoc->GetImage();
if (ima) {
int px=GetScrollPos(SB_HORZ);
int py=GetScrollPos(SB_VERT);
CSize sz(GetTotalSize());
int x=(int)(ima->GetWidth()*pDoc->GetZoomFactor());
int y=(int)(ima->GetHeight()*pDoc->GetZoomFactor());
SetScrollSizes(MM_TEXT, CSize(x,y));
CSize sz2(GetTotalSize());
CWnd* pFrame=GetParentFrame();
RECT rClient;
pFrame->GetClientRect(&rClient);
if (sz.cx!=0 && sz.cy!=0){
if (x>rClient.right) SetScrollPos(SB_HORZ,sz2.cx*px/sz.cx); else SetScrollPos(SB_HORZ,0);
if (y>rClient.bottom) SetScrollPos(SB_VERT,sz2.cy*py/sz.cy); else SetScrollPos(SB_VERT,0);
}
if (!(pFrame->IsIconic()||pFrame->IsZoomed())){
RECT rMainCl,rFrame,rMainFr;
((CMainFrame *)(AfxGetApp()->m_pMainWnd))->GetClientRect(&rMainCl);
((CMainFrame *)(AfxGetApp()->m_pMainWnd))->GetWindowRect(&rMainFr);
pFrame->GetWindowRect(&rFrame);
pFrame->SetWindowPos(0,0,0,
(4+rFrame.right-rFrame.left-rClient.right+rClient.left)+
min(rMainCl.right-(rFrame.left-rMainFr.left+12),x),
(4+rFrame.bottom-rFrame.top-rClient.bottom+rClient.top)+
min(rMainCl.bottom-(rFrame.top-rMainFr.top+12),y),
SWP_NOMOVE|SWP_NOZORDER);
//ResizeParentToFit(1);
}
if (!ima->SelectionIsValid()) KillTimer(1);
#ifdef VATI_EXTENSIONS
ima->SetJpegQualityF(theApp.m_optJpegQuality);
#if CXIMAGE_SUPPORT_JPG
ima->SetCodecOption(theApp.m_optJpegOptions,CXIMAGE_FORMAT_JPG);
#endif
#if CXIMAGE_SUPPORT_RAW
ima->SetCodecOption(theApp.m_optRawOptions,CXIMAGE_FORMAT_RAW);
#endif
#endif
CMainFrame* pMain = (CMainFrame*) AfxGetMainWnd();
if (pMain->m_HistoBar.IsWindowVisible()){
pDoc->m_hmax=ima->Histogram(pDoc->m_hr,pDoc->m_hg,pDoc->m_hb,pDoc->m_hgray);
pMain->m_HistoBar.Invalidate();
} else {
pDoc->m_hmax = 0;
}
}
break;
}
default:
{
CDemoDoc* pDoc = GetDocument();
if (pDoc){
CxImage* ima = pDoc->GetImage();
if (ima){
if (pDoc->GetStretchMode()) SetScrollSizes(MM_TEXT, CSize(0,0));
else SetScrollSizes(MM_TEXT,CSize((int)(ima->GetWidth()*pDoc->GetZoomFactor()),
(int)(ima->GetHeight()*pDoc->GetZoomFactor())));
}
}
}
}
CScrollView::OnUpdate(pSender, lHint, pHint);
}
