clockdlg.cpp

这个程序能实现一个时钟的模拟

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// ClockDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Clock.h"
#include "ClockDlg.h"
#include <stdlib.h>
#include <math.h>
#ifdef _DEBUG




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



#endif

#define pi 3.1415926
/////////////////////////////////////////////////////////////////////////////
// CClockDlg dialog

CClockDlg::CClockDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CClockDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CClockDlg)
	m_display = _T("");
	m_miaobiao = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
	speed=1000;
	miaobiao=0;
	m_minute=m_date=m_week=m_hour=0;
	m_display.Format ("日期：%d星期：%d时间：%d时%d分",
		m_date,m_week,m_hour,m_minute);
	m_miaobiao.Format("%8f",miaobiao);
}

void CClockDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CClockDlg)
	DDX_Control(pDX, IDC_STATIC1, m_frame);
	DDX_Text(pDX, IDC_DISPLAY, m_display);
	DDX_Text(pDX, IDC_DISPLAY_MIAOBIAO, m_miaobiao);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CClockDlg, CDialog)
	//{{AFX_MSG_MAP(CClockDlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON_CONFIG, OnButtonConfig)
	ON_WM_TIMER()
	ON_BN_CLICKED(IDC_BUTTON_MIAOBIAO, OnButtonMiaobiao)
	ON_BN_CLICKED(IDC_BUTTON_SPEED, OnButtonSpeed)
	ON_BN_CLICKED(IDC_BUTTON_BEGIN, OnButtonBegin)
	ON_BN_CLICKED(IDC_BUTTON_END, OnButtonEnd)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CClockDlg message handlers

BOOL CClockDlg::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
	
	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 CClockDlg::OnPaint() 
{
	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);
		dc.TextOut (50,100,"这是一个时钟");
	}
	else
	{
		CDialog::OnPaint();
	}
	DrawClock();
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CClockDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CClockDlg::OnButtonConfig() 
{
	// TODO: Add your control notification handler code here
	cdlg.DoModal ();
	m_hour=atoi(cdlg.m_hour);
	m_date=atoi(cdlg.m_date);
	m_minute=atoi(cdlg.m_minute);
	m_week=atoi(cdlg.m_week);
	m_display.Format ("日期：%d星期：%d时间：%d时%d分",
		m_date,m_week,m_hour,m_minute);
	UpdateData(false);
}

void CClockDlg::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	switch(nIDEvent)
	{case 1:
		//1 s
		m_minute++;
		if(m_minute>=60)
		{	m_minute=0;
			m_hour++;
		}
		m_display.Format ("日期：%d星期：%d时间：%d时%d分",
			m_date,m_week,m_hour,m_minute);
		UpdateData(false);
		Invalidate();
		DrawClock();
		break;
	 case 2:
			//秒表
		miaobiao++;
		m_miaobiao.Format ("%d\'%d\"",(int)(miaobiao/100),miaobiao%100);
		UpdateData(false);
		break;
	}
	CDialog::OnTimer(nIDEvent);
}

void CClockDlg::OnButtonMiaobiao() 
{
	// TODO: Add your control notification handler code here
	if(miaobiao)
	{	KillTimer(2);
		m_miaobiao.Format ("%d\'%d\"",(int)(miaobiao/100),miaobiao%100);
		UpdateData(false);
		miaobiao=0;
	}
	else
	{//	miaobiao=0;
		m_miaobiao.Format ("%d\'%d\"",(int)(miaobiao/100),miaobiao%100);
		UpdateData(false);
		SetTimer(2,10,NULL);
	}

}

void CClockDlg::OnButtonSpeed() 
{
	// TODO: Add your control notification handler code here
	speed=(speed==1000)?50:1000;
	SetTimer(1,speed,NULL);

}



void CClockDlg::OnButtonBegin() 
{
	// TODO: Add your control notification handler code here
	SetTimer(1,speed,NULL);
}

void CClockDlg::OnOK() 
{
	// TODO: Add extra validation here
	KillTimer(1);
	CDialog::OnOK();
}



void CClockDlg::OnButtonEnd() 
{
	// TODO: Add your control notification handler code here
	KillTimer(1);
}

void CClockDlg::DrawClock()
{	CClientDC dc(this);
	//dc=m_frame.GetTopWindow ()->GetDC ();
	CRect rect;
	m_frame.GetClientRect (rect);
	int x=rect.left +rect.Width ()/2+10;
	int y=rect.top  +rect.Height ()/2+10;
	dc.Ellipse (x-110,y-110,x+110,y+110);
	dc.Ellipse (x-115,y-115,x+115,y+115);
//分针	
	dc.MoveTo (x,y);
	dc.LineTo (x+(long)100*cos(pi/2-2*pi*m_minute/60.0),y-(long)100*sin(pi/2-2*pi*m_minute/60.0));
	dc.MoveTo (x,y);
	dc.LineTo (x+(long)90*cos(pi/2-2*pi*m_minute/60.0+pi/64),y-(long)90*sin(pi/2-2*pi*m_minute/60.0+pi/64));
	dc.LineTo (x+(long)100*cos(pi/2-2*pi*m_minute/60.0),y-(long)100*sin(pi/2-2*pi*m_minute/60.0));
	dc.MoveTo (x,y);
	dc.LineTo (x+(long)90*cos(pi/2-2*pi*m_minute/60.0-pi/64),y-(long)90*sin(pi/2-2*pi*m_minute/60.0-pi/64));
	dc.LineTo (x+(long)100*cos(pi/2-2*pi*m_minute/60.0),y-(long)100*sin(pi/2-2*pi*m_minute/60.0));
//时针
	dc.MoveTo (x,y);
	dc.LineTo (x+(long)70*cos(pi/2-5*2*pi*m_hour/60.0),y-(long)70*sin(pi/2-5*2*pi*m_hour/60.0));
	dc.MoveTo (x,y);
	dc.LineTo (x+(long)50*cos(pi/32+pi/2-5*2*pi*m_hour/60.0),y-(long)50*sin(pi/32+pi/2-5*2*pi*m_hour/60.0));
	dc.LineTo (x+(long)70*cos(pi/2-5*2*pi*m_hour/60.0),y-(long)70*sin(pi/2-5*2*pi*m_hour/60.0));
	dc.MoveTo (x,y);
	dc.LineTo (x+(long)50*cos(pi/2-5*2*pi*m_hour/60.0-pi/32),y-(long)50*sin(pi/2-5*2*pi*m_hour/60.0-pi/32));
	dc.LineTo (x+(long)70*cos(pi/2-5*2*pi*m_hour/60.0),y-(long)70*sin(pi/2-5*2*pi*m_hour/60.0));

}