mythreadview.cpp

汽车线程多线程并行

// MyThreadView.cpp : implementation of the CMyThreadView class
//

#include "stdafx.h"
#include "MyThread.h"

#include "MyThreadDoc.h"
#include "MyThreadView.h"
#include "Car.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
#define WidthOfRoad 100
CCriticalSection cs;
/////////////////////////////////////////////////////////////////////////////
// CMyThreadView

IMPLEMENT_DYNCREATE(CMyThreadView, CView)

BEGIN_MESSAGE_MAP(CMyThreadView, CView)
	//{{AFX_MSG_MAP(CMyThreadView)
	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()

/////////////////////////////////////////////////////////////////////////////
// CMyThreadView construction/destruction

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

}

CMyThreadView::~CMyThreadView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CMyThreadView drawing

void CMyThreadView::OnDraw(CDC* pDC)
{
	CMyThreadDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	DrawRoad(pDC);
    CRect ClientRect;
	CPoint center;
	GetClientRect(&ClientRect);
    center=CPoint(ClientRect.right/2,ClientRect.bottom/2);
	car1.Start(CPoint(0,center.y+20));
	car2.Start(CPoint(0,center.y+60));
	car3.Start(CPoint(center.x-60,0),CPoint(0,10));
	car4.Start(CPoint(center.x-30,0),CPoint(0,10));
	pDC->SetROP2(R2_XORPEN);
	pDC->Rectangle(car1.m_CarPosition.x,car1.m_CarPosition.y,car1.m_CarPosition.x+50,car1.m_CarPosition.y+20);
	//pDC->Rectangle(car2.m_CarPosition.x,car2.m_CarPosition.y,car2.m_CarPosition.x+50,car2.m_CarPosition.y+20);
	//pDC->Rectangle(car3.m_CarPosition.x,car3.m_CarPosition.y,car3.m_CarPosition.x+20,car3.m_CarPosition.y+50);
	//pDC->Rectangle(car4.m_CarPosition.x,car4.m_CarPosition.y,car4.m_CarPosition.x+20,car4.m_CarPosition.y+50);
	
	SetTimer(1,200,NULL);
}

/////////////////////////////////////////////////////////////////////////////
// CMyThreadView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CMyThreadView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CMyThreadView message handlers
void CMyThreadView::DrawRoad(CDC *pDC)
{
	CPen newPen1;
	CPen newPen2;
	CPen *pOldPen;	
	CRect ClientRect;
	CPoint center;
	newPen1.CreatePen(PS_DASHDOT,0,RGB(0,0,255));
	newPen2.CreatePen(PS_SOLID,5,RGB(255,255,0));
	pOldPen=pDC->SelectObject(&newPen1);

 	GetClientRect(&ClientRect);
    center=CPoint(ClientRect.right/2,ClientRect.bottom/2);

    pDC->MoveTo(0,center.y);
	pDC->LineTo(ClientRect.right,center.y);
	pDC->MoveTo(center.x,0);
	pDC->LineTo(center.x,ClientRect.bottom);
    
	pDC->SelectObject(&newPen2);
	pDC->MoveTo(0,center.y-WidthOfRoad);
	pDC->LineTo(center.x-WidthOfRoad,center.y-WidthOfRoad);
	pDC->MoveTo(0,center.y+WidthOfRoad);
	pDC->LineTo(center.x-WidthOfRoad,center.y+WidthOfRoad);

	pDC->MoveTo(center.x-WidthOfRoad,0);
	pDC->LineTo(center.x-WidthOfRoad,center.y-WidthOfRoad);
	pDC->MoveTo(center.x+WidthOfRoad,0);
	pDC->LineTo(center.x+WidthOfRoad,center.y-WidthOfRoad);
	
	pDC->MoveTo(ClientRect.right,center.y-WidthOfRoad);
	pDC->LineTo(center.x+WidthOfRoad,center.y-WidthOfRoad);
	pDC->MoveTo(ClientRect.right,center.y+WidthOfRoad);
	pDC->LineTo(center.x+WidthOfRoad,center.y+WidthOfRoad);

	pDC->MoveTo(center.x+WidthOfRoad,ClientRect.bottom);
	pDC->LineTo(center.x+WidthOfRoad,center.y+WidthOfRoad);
	pDC->MoveTo(center.x-WidthOfRoad,ClientRect.bottom);
	pDC->LineTo(center.x-WidthOfRoad,center.y+WidthOfRoad);
	pDC->SelectObject(pOldPen);
}

void CMyThreadView::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	CDC *pDC=GetDC();
	cs.Lock();
	
	pDC->SetROP2(R2_XORPEN);
	pDC->Rectangle(car1.m_CarOld.x,car1.m_CarOld.y,car1.m_CarOld.x+50,car1.m_CarOld.y+20);
	pDC->Rectangle(car2.m_CarOld.x,car2.m_CarOld.y,car2.m_CarOld.x+50,car2.m_CarOld.y+20);
	pDC->Rectangle(car3.m_CarOld.x,car3.m_CarOld.y,car3.m_CarOld.x+20,car3.m_CarOld.y+50);
	pDC->Rectangle(car4.m_CarOld.x,car4.m_CarOld.y,car4.m_CarOld.x+20,car4.m_CarOld.y+50);

	pDC->Rectangle(car1.m_CarPosition.x,car1.m_CarPosition.y,car1.m_CarPosition.x+50,car1.m_CarPosition.y+20);
	pDC->Rectangle(car2.m_CarPosition.x,car2.m_CarPosition.y,car2.m_CarPosition.x+50,car2.m_CarPosition.y+20);
	pDC->Rectangle(car3.m_CarPosition.x,car3.m_CarPosition.y,car3.m_CarPosition.x+20,car3.m_CarPosition.y+50);
	pDC->Rectangle(car4.m_CarPosition.x,car4.m_CarPosition.y,car4.m_CarPosition.x+20,car4.m_CarPosition.y+50);
	cs.Unlock();
	CView::OnTimer(nIDEvent);
}