www.pudn.com > 基于TWAIN接口程序.zip > twaintestView.cpp
// twaintestView.cpp : implementation of the CTwaintestView class // #include "stdafx.h" #include "twaintest.h" #include "twaintestDoc.h" #include "twaintestView.h" #include "Mainfrm.h" #include "InputDlg.h" #include#ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif #define DISTANCE(r1,g1,b1,r2,g2,b2) \ (long) (3L*(long)((r1)-(r2))*(long)((r1)-(r2)) + \ 4L*(long)((g1)-(g2))*(long)((g1)-(g2)) + \ 2L*(long)((b1)-(b2))*(long)((b1)-(b2))) void Create24Bit(CDIB& source,CDIB& dest); ///////////////////////////////////////////////////////////////////////////// // CTwaintestView IMPLEMENT_DYNCREATE(CTwaintestView, CScrollView) BEGIN_MESSAGE_MAP(CTwaintestView, CScrollView) //{{AFX_MSG_MAP(CTwaintestView) //}}AFX_MSG_MAP // Standard printing commands ON_COMMAND(ID_FILE_PRINT, CScrollView::OnFilePrint) ON_COMMAND(ID_FILE_PRINT_DIRECT, CScrollView::OnFilePrint) ON_COMMAND(ID_FILE_PRINT_PREVIEW, CScrollView::OnFilePrintPreview) END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CTwaintestView construction/destruction CTwaintestView::CTwaintestView() { // TODO: add construction code here } CTwaintestView::~CTwaintestView() { } BOOL CTwaintestView::PreCreateWindow(CREATESTRUCT& cs) { // TODO: Modify the Window class or styles here by modifying // the CREATESTRUCT cs return CScrollView::PreCreateWindow(cs); } ///////////////////////////////////////////////////////////////////////////// // CTwaintestView drawing void CTwaintestView::OnDraw(CDC* pDC) { CTwaintestDoc* pDoc = GetDocument(); ASSERT_VALID(pDoc); if(pDoc->m_Dib.IsValid()) { pDoc->m_Dib.BitBlt(pDC->m_hDC,0,0,pDoc->m_Dib.Width(),pDoc->m_Dib.Height(),0,0); } // TODO: add draw code for native data here } ///////////////////////////////////////////////////////////////////////////// // CTwaintestView printing BOOL CTwaintestView::OnPreparePrinting(CPrintInfo* pInfo) { // default preparation return DoPreparePrinting(pInfo); } void CTwaintestView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) { // TODO: add extra initialization before printing } void CTwaintestView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) { // TODO: add cleanup after printing } ///////////////////////////////////////////////////////////////////////////// // CTwaintestView diagnostics #ifdef _DEBUG void CTwaintestView::AssertValid() const { CScrollView::AssertValid(); } void CTwaintestView::Dump(CDumpContext& dc) const { CScrollView::Dump(dc); } CTwaintestDoc* CTwaintestView::GetDocument() // non-debug version is inline { ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CTwaintestDoc))); return (CTwaintestDoc*)m_pDocument; } #endif //_DEBUG ///////////////////////////////////////////////////////////////////////////// // CTwaintestView message handlers void CTwaintestView::OnInitialUpdate() { SetScrollSizes(MM_TEXT,CSize(100,100)); CScrollView::OnInitialUpdate(); OnUpdate(NULL,0,NULL); } void CTwaintestView::OnUpdate(CView* pSender, LPARAM lHint, CObject* pHint) { CTwaintestDoc *pDoc = GetDocument(); CSize size; size = CSize(pDoc->m_Dib.Width(),pDoc->m_Dib.Height()); SetScrollSizes(MM_TEXT,size); }