bitmapview.cpp

对图像的基本操作

// BitMapView.cpp : implementation of the CBitMapView class
//

#include "stdafx.h"
#include "BitMap.h"
#include "BitMapDoc.h"
#include "BitMapView.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CBitMapView

IMPLEMENT_DYNCREATE(CBitMapView, CView)

BEGIN_MESSAGE_MAP(CBitMapView, CView)
	//{{AFX_MSG_MAP(CBitMapView)
	ON_WM_PAINT()
	ON_WM_MOUSEMOVE()
	ON_WM_TIMER()
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CBitMapView construction/destruction

CBitMapView::CBitMapView()
{
	// TODO: add construction code here

}

CBitMapView::~CBitMapView()
{
}

BOOL CBitMapView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CBitMapView drawing

void CBitMapView::OnDraw(CDC* pDC)
{
	CBitMapDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
}

/////////////////////////////////////////////////////////////////////////////
// CBitMapView printing

BOOL CBitMapView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CBitMapView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CBitMapView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CBitMapView diagnostics

#ifdef _DEBUG
void CBitMapView::AssertValid() const
{
	CView::AssertValid();
}

void CBitMapView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CBitMapDoc* CBitMapView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CBitMapDoc)));
	return (CBitMapDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CBitMapView message handlers

void CBitMapView::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	//CBitmap bmpDraw;


  CBitmap   bitmap;   
  CBitmap*   pOldBitmap;   
  CDC   MemDC;   
  CDC*   pDC=GetDC();   
    
  MemDC.CreateCompatibleDC(pDC);   
  bitmap.LoadBitmap(IDB_BITMAP1);   
  pOldBitmap=MemDC.SelectObject(&bitmap);   
  pDC->BitBlt(0,50,1024,768,&MemDC,0,0,SRCCOPY);   
  MemDC.SelectObject(pOldBitmap);  
	
}

void CBitMapView::OnMouseMove(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
  CBitmap   bitmap;   
  CBitmap*   pOldBitmap;   
  CDC   MemDC;   
  CDC*   pDC=GetDC();   

  CBitmap   bitmap1;   
  CBitmap*   pOldBitmap1;   
  CDC   MemDC1;   
  CDC*   pDC1=GetDC();   
    
  MemDC1.CreateCompatibleDC(pDC1);   
  bitmap1.LoadBitmap(IDB_BITMAP1);   
  pOldBitmap1=MemDC1.SelectObject(&bitmap1);   
  pDC1->BitBlt(0,50,1024,768,&MemDC1,0,0,SRCCOPY);   
  MemDC1.SelectObject(pOldBitmap1);  
    
  MemDC.CreateCompatibleDC(pDC);   
  bitmap.LoadBitmap(IDB_BITMAP2);   
  pOldBitmap=MemDC.SelectObject(&bitmap);   
  pDC->BitBlt(point.x,point.y,48,48,&MemDC,0,0,SRCAND);   
  MemDC.SelectObject(pOldBitmap);  

  CView::OnMouseMove(nFlags, point);
}

void CBitMapView::OnInitialUpdate() 
{
	CView::OnInitialUpdate();
	
}

void CBitMapView::OnTimer(UINT nIDEvent) 
{
	CView::OnTimer(nIDEvent);
}