trafficlightview.cpp

本程序是用vc++做的一个模拟交通灯的程序

// TrafficlightView.cpp : implementation of the CTrafficlightView class
//

#include "stdafx.h"
#include "Trafficlight.h"

#include "Car.h"
#include "TrafficlightDoc.h"
#include "TrafficlightView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CTrafficlightView

IMPLEMENT_DYNCREATE(CTrafficlightView, CView)

BEGIN_MESSAGE_MAP(CTrafficlightView, CView)
	//{{AFX_MSG_MAP(CTrafficlightView)
	ON_WM_TIMER()
	ON_COMMAND(ID_BEGIN, OnBegin)
	ON_COMMAND(ID_END, OnEnd)
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CTrafficlightView construction/destruction

CTrafficlightView::CTrafficlightView()
{
	// TODO: add construction code here
 //   car1.m_pointCar.x=600;
//	car1.m_pointCar.y=400;
//	car2.m_pointCar.x=500;
//	car2.m_pointCar.y=400;
	m_nDelaytime=0;
	m_nRecordcount=0;
}

CTrafficlightView::~CTrafficlightView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CTrafficlightView drawing

void CTrafficlightView::OnDraw(CDC* pDC)
{
	CTrafficlightDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	pDC->SetTextColor(RGB(0,0,255));
	pDC->TextOut(180,180,"交通灯");
	CBrush SolidBrush1(RGB(0,255,0));
	CBrush SolidBrush2(RGB(255,0,0));
	CBrush SolidBrush3(RGB(0,0,0));
	if(m_nDelaytime==0)
	{
		CBrush *pOldBrush=pDC->SelectObject(&SolidBrush1);
		pDC->Ellipse(200,212,220,232);
		pDC->SelectObject(&SolidBrush3);	pDC->Ellipse(180,212,200,232);
		pDC->SelectObject(pOldBrush);
	}
	else
	{pDC->SelectObject(&SolidBrush3);
		pDC->Ellipse(200,212,220,232);
		pDC->SelectObject(&SolidBrush2);	pDC->Ellipse(180,212,200,232);
	}



	
	pDC->MoveTo(200,232);
	pDC->LineTo(200,400);
	pDC->TextOut(500,200,"汽车流量");
	CString c;
	c.Format("%d",m_nRecordcount);
	pDC->TextOut(600,200,c);
	CDC MemDC;
	MemDC.CreateCompatibleDC(0);
	car1.ShowCar(pDC,&MemDC);
    car2.ShowCar(pDC,&MemDC);
}

/////////////////////////////////////////////////////////////////////////////
// CTrafficlightView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CTrafficlightView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CTrafficlightView message handlers

void CTrafficlightView::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	
	if(car1.GetCar().left>180&&car1.GetCar().left<220&&m_nDelaytime!=0)
	{
		InvalidateRect(car1.GetCar());
	}
	else
	{InvalidateRect(car1.GetCar());car1.ChangePos(0);}

	if(car2.GetCar().left>180&&car2.GetCar().left<220&&m_nDelaytime!=0)
	{
		InvalidateRect(car2.GetCar());
	}
	else
	{InvalidateRect(car2.GetCar());car2.ChangePos(1);}
	if(nIDEvent==2)
	{
		m_nDelaytime+=1;
		m_nDelaytime=m_nDelaytime%2;
		InvalidateRect(CRect(175,200,255,405));
	}
	if(car1.GetCar().left<-80||car2.GetCar().left<-80)
	{
		m_nRecordcount+=1;
		InvalidateRect(CRect(495,195,650,230));
	}


	CView::OnTimer(nIDEvent);
}

void CTrafficlightView::OnBegin() 
{
	// TODO: Add your command handler code here
    car1.ResetPos(0);
	car2.ResetPos(1);
	Invalidate();
	SetTimer(1,60,NULL);
	SetTimer(2,10000,NULL);
	m_nDelaytime=0;
	m_nRecordcount=0;

}

void CTrafficlightView::OnEnd() 
{
	// TODO: Add your command handler code here
	KillTimer(1);
	KillTimer(2);
}