turnoutview.cpp

使用MFC实现一个小的动画功能

// TurnOutView.cpp : implementation of the CTurnOutView class
//

#include "stdafx.h"
#include "TurnOut.h"

#include "TurnOutDoc.h"
#include "TurnOutView.h"
#include "Turnoff.h"
#include "math.h"

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

Turnoff T1,T2;

/////////////////////////////////////////////////////////////////////////////
// CTurnOutView

IMPLEMENT_DYNCREATE(CTurnOutView, CView)

BEGIN_MESSAGE_MAP(CTurnOutView, CView)
	//{{AFX_MSG_MAP(CTurnOutView)
	ON_WM_LBUTTONDOWN()
	ON_WM_TIMER()
	ON_WM_RBUTTONDOWN()
	ON_WM_CREATE()
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CTurnOutView construction/destruction

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

}

CTurnOutView::~CTurnOutView()
{
	
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CTurnOutView drawing

void CTurnOutView::OnDraw(CDC* pDC)
{
	CTurnOutDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	
	
	CDC   *pMemDC;   
	CBitmap   *myBitmap;   
	CPen   *myPen;

	myBitmap=new   CBitmap;//建立位图      
	pMemDC=new   CDC;//建立内存设备
	myPen=new   CPen;//建立画笔
    
	pMemDC->CreateCompatibleDC(pDC);//建立和显示设备兼容的内存设备   
	myBitmap->CreateCompatibleBitmap(pDC,1440,864);//建立和显示设备大小相同的位图    
	CBitmap   *oldBitmap=pMemDC->SelectObject(myBitmap);//选入兼容位图并追踪原来位图
	CPen   *oldPen=pMemDC->SelectObject(myPen);//选入画笔并追踪 
	pMemDC->FillSolidRect(0,0,1440,864,RGB(255,255,255));//画背景
	
	T1.DrawG(pMemDC,10,flag_color);
	if (T1.B_Position==T1.N_Position)
		T1.Draw_Usual(pMemDC,10,flag_color);
	else 
		T1.Draw(pMemDC,10,flag_color);
		
	
	//pDC->BitBlt(0,0,1152,864,pMemDC,0,0,SRCCOPY);//拷贝进显示设备   
	pDC->StretchBlt(0,0,1440,864,pMemDC,0,0,1440,864,SRCCOPY);
	pMemDC->SelectObject(oldPen);//还原   
	pMemDC->SelectObject(oldBitmap);//还原  
	
    
	ReleaseDC(pDC);   
	ReleaseDC(pMemDC);   
	delete   myBitmap;   
	delete   pMemDC;
	delete   myPen;//清理工作


	

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

/////////////////////////////////////////////////////////////////////////////
// CTurnOutView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CTurnOutView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CTurnOutView message handlers

BOOL CTurnOutView::Create(LPCTSTR lpszClassName, LPCTSTR lpszWindowName, DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID, CCreateContext* pContext) 
{
	T1.GX1=100;
	T1.GX2=150;
	T1.GY1=T1.GY2=200;
	T1.DX1=200;
	T1.DY1=200;
	T1.FX1=180;
	T1.FY1=210;
	T1.B_Position=T1.N_Position="d";

	T2.GX1=250;
	T2.GX2=300;
	T2.GY1=T2.GY2=200;
	T2.DX1=350;
	T2.DY1=200;
	T2.FX1=330;
	T2.FY1=210;
	T2.B_Position=T2.N_Position="d";
	
	flag_color=0;
	
	flag_T1_B=flag_T1_N=10;
	//
	return CWnd::Create(lpszClassName, lpszWindowName, dwStyle, rect, pParentWnd, nID, pContext);
}

void CTurnOutView::OnLButtonDown(UINT nFlags, CPoint point) 
{
	
	static int i=0;
	if(i%2==0)
	{	
		T1.N_Position="f";
	}
	else
	{
		T1.N_Position="d";
	}
	i++;
	
	CView::OnLButtonDown(nFlags, point);
}

void CTurnOutView::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	flag_color++;
	CView::OnTimer(nIDEvent);
	switch(nIDEvent)
	{
		case 1:
		{
			Invalidate(NULL);
			break;
		}
	
	}	
	
	
/*	if(nIDEvent==2)
	{
		//if(flag_T1_N>=0)
			
	//	if(flag_T1_N<0)
	//		
			

		if(flag_T2_N>=0)
			flag_T2_N--;

	}//*/
	

}

void CTurnOutView::OnRButtonDown(UINT nFlags, CPoint point) 
{
	SetTimer(2,2000,NULL);
	static int i=0;

	//设定标志flag_T2
	if(i%2==0)
	{	
	//	T1.N_Position="f";
		T2.N_Position="f";
	}
	else
	{
	//	T1.N_Position="d";
		T2.N_Position="d";
	}
	i++;
	
	
	CView::OnRButtonDown(nFlags, point);
}

int CTurnOutView::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CView::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	SetTimer(1,100,NULL);
	
	return 0;
}