noflashview.cpp

visual c++ 实例编程

// NoFlashView.cpp : implementation of the CNoFlashView class
//

#include "stdafx.h"
#include "NoFlash.h"

#include "NoFlashDoc.h"
#include "NoFlashView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CNoFlashView

IMPLEMENT_DYNCREATE(CNoFlashView, CView)

BEGIN_MESSAGE_MAP(CNoFlashView, CView)
	//{{AFX_MSG_MAP(CNoFlashView)
	ON_WM_ERASEBKGND()
	ON_WM_TIMER()
	ON_COMMAND(ID_FLASH, OnFlash)
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CNoFlashView construction/destruction

CNoFlashView::CNoFlashView()
{
	// TODO: add construction code here
   left1=100;
   left2=100;
}

CNoFlashView::~CNoFlashView()
{

}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CNoFlashView drawing

void CNoFlashView::OnDraw(CDC* pDC)
{
	CNoFlashDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	CRect  rect;
	GetWindowRect(&rect);
	nWidth=rect.Width();
	nHeight=rect.Height();
    
	CDC  MemDC;
	CBitmap  MemBitmap;
	
	MemDC.CreateCompatibleDC (NULL);
	MemBitmap.CreateCompatibleBitmap(pDC,nWidth,nHeight);
    
	CBitmap *pOldBit=MemDC.SelectObject(&MemBitmap);
    MemDC.FillSolidRect(0,0,nWidth,nHeight,RGB(255,255,255));
  
	
	rect1.SetRect (100,left1,150,400);
	MemDC.FillSolidRect(&rect1,RGB(255,0,0));
    
	MemDC.MoveTo(50,420);
    MemDC.LineTo(500,420);
	
	for(int i=0;i<25;i++)
	
	 {  
		rect1.SetRect(125+i,left1,125+i+1,400);
        MemDC.FillSolidRect(&rect1,RGB(240-i*9,240-i*9,0));	
	 }
     
   
      for ( i=25;i>0;i--)
	{
        rect1.SetRect(125-i,left1,125-i+1,400);
	    MemDC.FillSolidRect(&rect1,RGB(240-i*9,240-i*9,0));	
	}

     
	  for( i=0;i<25;i++)
	
	 {  
		rect1.SetRect(200+i,left2,200+i+1,400);
        MemDC.FillSolidRect(&rect1,RGB(240-i*9,0,0));	
	 }
     
   
      for ( i=25;i>0;i--)
	{
        rect1.SetRect(200-i,left2,200-i+1,400);
	    MemDC.FillSolidRect(&rect1,RGB(240-i*9,0,0));	
	}   
    




	pDC->BitBlt(0,0,nWidth,nHeight,&MemDC,0,0,SRCCOPY);
  
	MemBitmap.DeleteObject();
	MemDC.DeleteDC();











	// TODO: add draw code for native data here
}

/////////////////////////////////////////////////////////////////////////////
// CNoFlashView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CNoFlashView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CNoFlashView message handlers

BOOL CNoFlashView::OnEraseBkgnd(CDC* pDC) 
{
	// TODO: Add your message handler code here and/or call default
	
   return true;
//	return CView::OnEraseBkgnd(pDC);
}

void CNoFlashView::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
 
 
	Invalidate();
	//InvalidateRect(&rect1);
	
    //InvalidateRect(&rect2);
	left1=rand()%100;
    left2=rand()%100;
	
	CView::OnTimer(nIDEvent);
}

void CNoFlashView::OnInitialUpdate() 
{
	CView::OnInitialUpdate();
	SetTimer(1,1000,NULL);
	// TODO: Add your specialized code here and/or call the base class
	
}

void CNoFlashView::OnFlash() 
{
	// TODO: Add your command handler code here
    CClientDC dc(this);
	dc.SetBkColor(RGB(255,255,255));
	
	//Invalidate();
}
void CNoFlashView::OnPaint() 

{	
	CPaintDC dc(this); // device context for painting

}


BOOL CNoFlashView::DestroyWindow() 
{
	// TODO: Add your specialized code here and/or call the base class
	
	return CView::DestroyWindow();
}