为什么CPU达到100%

CreScert 2015-02-19 10:43:23

我的思路是这样的，只是实现翻书效果，刚开始时是慢慢打开书，可是到了第二页第三页的时候，CPU达到100%，是哪里的原因啊？

// Happy Birthday_2Dlg.cpp : implementation file

//



#include "stdafx.h"

#include "Happy Birthday_2.h"

#include "Happy Birthday_2Dlg.h"



#ifdef _DEBUG

#define new DEBUG_NEW

#undef THIS_FILE

static char THIS_FILE[] = __FILE__;

#endif



#define IDB_PLAY 2000

#define BMP_SIZE 10000000

/////////////////////////////////////////////////////////////////////////////

// CAboutDlg dialog used for App About



/////////////////////////////////////////////////////////////////////////////

// CHappyBirthday_2Dlg dialog



CHappyBirthday_2Dlg::CHappyBirthday_2Dlg(CWnd* pParent /*=NULL*/)

: CDialog(CHappyBirthday_2Dlg::IDD, pParent)

{

	//{{AFX_DATA_INIT(CHappyBirthday_2Dlg)

	// NOTE: the ClassWizard will add member initialization here

	//}}AFX_DATA_INIT

	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32

	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);

}



void CHappyBirthday_2Dlg::DoDataExchange(CDataExchange* pDX)

{

	CDialog::DoDataExchange(pDX);

	//{{AFX_DATA_MAP(CHappyBirthday_2Dlg)

	// NOTE: the ClassWizard will add DDX and DDV calls here

	//}}AFX_DATA_MAP

}



BEGIN_MESSAGE_MAP(CHappyBirthday_2Dlg, CDialog)

//{{AFX_MSG_MAP(CHappyBirthday_2Dlg)

ON_WM_PAINT()

ON_WM_QUERYDRAGICON()

ON_BN_CLICKED(IDOK, OnOpen)

ON_WM_TIMER()

ON_WM_ERASEBKGND()

ON_BN_CLICKED(IDC_BUTTON1, OnButton1)

//}}AFX_MSG_MAP

END_MESSAGE_MAP()



/////////////////////////////////////////////////////////////////////////////

// CHappyBirthday_2Dlg message handlers



BOOL CHappyBirthday_2Dlg::OnInitDialog()

{

	CDialog::OnInitDialog();

	

	

	// Set the icon for this dialog.  The framework does this automatically

	//  when the application's main window is not a dialog

	SetIcon(m_hIcon, TRUE);			// Set big icon

	SetIcon(m_hIcon, FALSE);		// Set small icon

	

	// TODO: Add extra initialization here

	SetWindowPos(&wndTop,700,100,400,500,SWP_NOZORDER);	//设置位置

	TurnPage=1200;

	Process=0;//进度为0，开始页面



	x=0;



	//初始化

	Bitmap=IDB_BITMAP;

	Bitmap1=IDB_BITMAP1;

	Bitmap2=IDB_BITMAP2;

	

	

	SecondTrunLeft=0;

	SecondTrun=0;





	return TRUE;  // return TRUE  unless you set the focus to a control

}





// If you add a minimize button to your dialog, you will need the code below

//  to draw the icon.  For MFC applications using the document/view model,

//  this is automatically done for you by the framework.



void CHappyBirthday_2Dlg::OnPaint() 

{

	if(Process==0)

	{

		CPaintDC dc(this);		



		dc.SetStretchBltMode(HALFTONE);

		

		dctwo.CreateCompatibleDC(&dc);//增加兼容DC



			

		//初始化图像

		bitmap.LoadBitmap(Bitmap);		

		bitmap.GetBitmap(&bit);



		bitmapold=dctwo.SelectObject(&bitmap);//0

		dc.StretchBlt(0,0,TurnPage-800,500,&dctwo,0,0,400,500,SRCCOPY);

		

	}

	

	if (IsIconic())

	{

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

		

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		

		// Center icon in client rectangle

		int cxIcon = GetSystemMetrics(SM_CXICON);

		int cyIcon = GetSystemMetrics(SM_CYICON);

		CRect rect;

		GetClientRect(&rect);

		int x = (rect.Width() - cxIcon + 1) / 2;

		int y = (rect.Height() - cyIcon + 1) / 2;

		

		// Draw the icon

		dc.DrawIcon(x, y, m_hIcon);

	}

	else

	{

		CDialog::OnPaint();

	}

}



//下一页按钮响应函数

void CHappyBirthday_2Dlg::OnOpen() 

{

	Process++;

	

	if(Process>=3) SecondTrunLeft=400;

	Control();

	

}





//定时器函数

void CHappyBirthday_2Dlg::OnTimer(UINT nIDEvent) 

{

	switch(nIDEvent)

	{

		//定时器1，实现翻页效果

	case 1:

		if(TurnPage<=400)//结束定时器，并清理内存

		{	

			KTimer(1);

			GetDlgItem(IDOK)->ShowWindow(SW_SHOW);

			

		}

		else if (TurnPage>=800&&TurnPage<=1200)//从右边翻页

		{

			TurnPage-=2;

			if(Process>=3) SecondTrun=400;

			Invalidate();

		}

		else if(TurnPage<800&&TurnPage>=400)//翻到左边

		{

			TurnPage-=2;

			if(Process==1) Process++;

			if(Process==2) SetWindowPos(&wndTop,TurnPage-100,100,(800-TurnPage)+400,500,SWP_NOZORDER);

			

			if(Process>=3) SecondTrunLeft-=2;

			if(x<400)

				x=800-TurnPage;

			

			Invalidate();//刷新背景

			

		}

		

			/***************************翻页效果********************************/

	{

		CPaintDC dc(this);		



		dc.SetStretchBltMode(HALFTONE);

		dctwo.CreateCompatibleDC(&dc);//增加兼容DC



			

		//初始化图像

		bitmap.LoadBitmap(Bitmap);		

		bitmap.GetBitmap(&bit);

		

		bitmap1.LoadBitmap(Bitmap1);	

		bitmap1.GetBitmap(&bit);	

		

		bitmap2.LoadBitmap(Bitmap2);	

		bitmap2.GetBitmap(&bit);

		

		bitmap3.LoadBitmap(Bitmap3);	

		bitmap3.GetBitmap(&bit);

		

		//翻页效果

		//不动的左页

		if(Process>=3&&TurnPage<=1200&&TurnPage>=400)

		{

			bitmapold=dctwo.SelectObject(&bitmap3);//3

			dc.StretchBlt(0,0,400,500,&dctwo,0,0,400,500,SRCCOPY);

		}

		//动的左书页

		if(TurnPage<800&&TurnPage>=400)

		{

			bitmapold=dctwo.SelectObject(&bitmap1);

			dc.StretchBlt(SecondTrunLeft,0,(800-TurnPage),500,&dctwo,0,0,400,500,SRCCOPY);

			

			

		}

		//不动的右书页，

		if(TurnPage>=400&&TurnPage<=1200)

		{

			bitmapold=dctwo.SelectObject(&bitmap2);

			dc.StretchBlt(x,0,400,500,&dctwo,0,0,400,500,SRCCOPY);

		}

		

		//动的右书页，第一次是书的开始

		if(TurnPage>=800&&TurnPage<=1200)

		{

			bitmapold=dctwo.SelectObject(&bitmap);//0

			dc.StretchBlt(SecondTrun,0,TurnPage-800,500,&dctwo,0,0,400,500,SRCCOPY);

			

		}



	}



	/*************************************************************/

		break;



		

	}







	CDialog::OnTimer(nIDEvent);

}





//这是控制中心，

void CHappyBirthday_2Dlg::Control()

{

	switch(Process)//如果等于1时，代表刚开始，隐藏按钮，开启定时器，

	{

	case 3:

		

		Bitmap=IDB_BITMAP2;

		Bitmap1=IDB_BITMAP3;

		Bitmap2=IDB_BITMAP4;

		Bitmap3=IDB_BITMAP1;	

		

		break;

	case 4:

		

		Bitmap=IDB_BITMAP4;

		Bitmap1=IDB_BITMAP5;

		Bitmap2=IDB_BITMAP6;

		Bitmap3=IDB_BITMAP3;

		break;

	}

	



	TurnPage=1200;



	SetTimer(0x01,40,NULL);//开启计时器



	//按钮的操作

	GetDlgItem(IDOK)->ShowWindow(SW_HIDE);

	SetDlgItemText(IDOK,"下一页");//改变按钮的显示文本

	GetDlgItem(IDOK)->SetWindowPos(NULL,380,440,400,450,SWP_NOZORDER | SWP_NOSIZE);//设置按钮位置



	Invalidate();//刷新背景

}





//处理最后的清理工作

void CHappyBirthday_2Dlg::KTimer(int nIDEvent)

{



	KillTimer(nIDEvent);



		bitmap.DeleteObject();

		bitmap1.DeleteObject();

		bitmap2.DeleteObject();

		bitmap3.DeleteObject();



}







// The system calls this to obtain the cursor to display while the user drags

//  the minimized window.

HCURSOR CHappyBirthday_2Dlg::OnQueryDragIcon()

{

	return (HCURSOR) m_hIcon;

}





BOOL CHappyBirthday_2Dlg::OnEraseBkgnd(CDC* pDC) 

{

	// TODO: Add your message handler code here and/or call default

	return TRUE;

	

	//	return CDialog::OnEraseBkgnd(pDC);

}



void CHappyBirthday_2Dlg::OnButton1() 

{

	// TODO: Add your control notification handler code here

	CDialog::OnCancel();

}