555dlg.cpp

VC oscilloscope waveform drawing

// 555Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "555.h"
#include "555Dlg.h"
#include "math.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif



///*修改的地方*////

#define  SIN_HIGH  100
#define  TRIANGLE_HIGH  300
#define  RAND_HIGH		400
#define  RIGH_MOVR      40

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMy555Dlg dialog

CMy555Dlg::CMy555Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMy555Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CMy555Dlg)
		// 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 CMy555Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMy555Dlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMy555Dlg, CDialog)
	//{{AFX_MSG_MAP(CMy555Dlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTTON1, OnBnClickedButton1)
	ON_BN_CLICKED(IDC_BUTTON2, OnBnClickedButton2)
	ON_BN_CLICKED(IDC_BUTTON3, OnBnClickedButton3)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMy555Dlg message handlers

BOOL CMy555Dlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// 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
}

void CMy555Dlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// 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 CMy555Dlg::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);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CMy555Dlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CMy555Dlg::OnBnClickedButton1() 
{
	// TODO: Add your control notification handler code here
	InvalidateRect(NULL,FALSE);
	
	CPaintDC dc(this);
	int i=0;
	int c=0;
	CPen  MyOnePen(PS_SOLID,1,RGB(255,0,0));
	CPen  MyOrienPen(PS_SOLID,1,RGB(0,0,255));
	dc.SelectObject(MyOrienPen);	
	dc.MoveTo(RIGH_MOVR,SIN_HIGH);
	dc.LineTo(RIGH_MOVR+400,SIN_HIGH);
	dc.MoveTo(RIGH_MOVR,SIN_HIGH);
	while (i<400)
	{
		c= (int)(SIN_HIGH + 40*sin((double)(((double)i/100)*3.1415926)));
		dc.LineTo(RIGH_MOVR+i,c);
		Sleep(1);
		i++;
		
	}	
	for(i=0;i<400;i++)
	{		
		if(0==i%10)
		{
			dc.SelectObject(MyOnePen);
			dc.MoveTo(RIGH_MOVR+i,SIN_HIGH);
			dc.LineTo(RIGH_MOVR+i,SIN_HIGH-5);
		}
	}
}

void CMy555Dlg::OnBnClickedButton2() 
{
	// TODO: Add your control notification handler code here
  InvalidateRect(NULL,FALSE);

  CPaintDC dc(this);
  	CPen  MyOnePen(PS_SOLID,1,RGB(255,0,0));
	CPen  MyOrienPen(PS_SOLID,1,RGB(0,0,255));
	dc.SelectObject(MyOrienPen);
  dc.MoveTo(RIGH_MOVR,TRIANGLE_HIGH);
	dc.LineTo(RIGH_MOVR+400,TRIANGLE_HIGH);
	dc.MoveTo(RIGH_MOVR,TRIANGLE_HIGH);
  int i=0;
  int c=0;
  while (i<400)
  {
    for (c=TRIANGLE_HIGH;c>=TRIANGLE_HIGH-50;c--)
    {
      dc.LineTo(RIGH_MOVR+i,c);
      i++;
      Sleep(1);
    }
    i--;
  }	
  	for(i=0;i<400;i++)
	{		
		if(0==i%10)
		{
			dc.SelectObject(MyOnePen);
			dc.MoveTo(RIGH_MOVR+i,TRIANGLE_HIGH);
			dc.LineTo(RIGH_MOVR+i,TRIANGLE_HIGH-5);
		}
	}
}

void CMy555Dlg::OnBnClickedButton3() 
{
	// TODO: Add your control notification handler code here
  InvalidateRect(NULL,FALSE);

  CPaintDC dc(this);
    	CPen  MyOnePen(PS_SOLID,1,RGB(255,0,0));
	CPen  MyOrienPen(PS_SOLID,1,RGB(0,0,255));
	dc.SelectObject(MyOrienPen);
  dc.MoveTo(RIGH_MOVR,RAND_HIGH);
	dc.LineTo(RIGH_MOVR+500,RAND_HIGH);
	dc.MoveTo(RIGH_MOVR,RAND_HIGH+50);
 
	int i=0;
  int c=0;
  while (i<500)
  {
    dc.LineTo(RIGH_MOVR+i,RAND_HIGH+50 - (int)(rand()/350));
    i += 5;
      Sleep(1);
  }	
 	for(i=0;i<400;i++)
	{		
		if(0==i%10)
		{
			dc.SelectObject(MyOnePen);
			dc.MoveTo(RIGH_MOVR+i,RAND_HIGH);
			dc.LineTo(RIGH_MOVR+i,RAND_HIGH-5);
		}
	}
}