wave_fftview.cpp

自制软件

// Wave_FftView.cpp : implementation of the CWave_FftView class
//

#include "stdafx.h"
#include "Wave_Fft.h"

#include "Wave_FftDoc.h"
#include "Wave_FftView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CWave_FftView

IMPLEMENT_DYNCREATE(CWave_FftView, CFormView)

BEGIN_MESSAGE_MAP(CWave_FftView, CFormView)
	//{{AFX_MSG_MAP(CWave_FftView)
	ON_BN_CLICKED(IDC_RADIO_WAVE, OnRadioWave)
	ON_BN_CLICKED(IDC_RADIO_WAVE_S, OnRadioWaveS)
	ON_BN_CLICKED(IDC_RADIO_NoNoise, OnRADIONoNoise)
	ON_BN_CLICKED(IDC_NOISE, OnNoise)
	ON_WM_HSCROLL()
	ON_BN_CLICKED(IDC_BUTTON_AUTO, OnButtonAuto)
	ON_WM_TIMER()
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CFormView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CFormView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CFormView::OnFilePrintPreview)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CWave_FftView construction/destruction

CWave_FftView::CWave_FftView()
	: CFormView(CWave_FftView::IDD)
{
	//{{AFX_DATA_INIT(CWave_FftView)
	m_WaveType = 0;
	m_NoNoise = 0;
	m_Fre = 1.0f;
	//}}AFX_DATA_INIT
	// TODO: add construction code here

}

CWave_FftView::~CWave_FftView()
{
}

void CWave_FftView::DoDataExchange(CDataExchange* pDX)
{
	CFormView::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CWave_FftView)
	DDX_Control(pDX, IDC_SCROLLBAR, m_Scroll);
	DDX_Control(pDX, IDC_MSCHART1, m_MsChart1);
	DDX_Control(pDX, IDC_MSCHART2, m_MsChart2);
	DDX_Radio(pDX, IDC_RADIO_WAVE, m_WaveType);
	DDX_Radio(pDX, IDC_RADIO_NoNoise, m_NoNoise);
	DDX_Text(pDX, IDC_EDIT_FRE, m_Fre);
	//}}AFX_DATA_MAP
}

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

	return CFormView::PreCreateWindow(cs);
}

void CWave_FftView::OnInitialUpdate()
{
	CFormView::OnInitialUpdate();
	GetParentFrame()->RecalcLayout();
	ResizeParentToFit();
    InitalForm();                //初始化界面
}
/************************************************************************/
/*          功能：初始化 ，对图形显示的初始化                           */
/************************************************************************/
void CWave_FftView::InitalForm()
{
    m_bAuto=TRUE;
	m_Dir=TRUE;
	m_Num=512;
	m_Data=new double[m_Num];
	m_FftData=new double[m_Num];
	m_WaveDraw.InitDraw(m_MsChart1,m_MsChart2,m_Num);
	//int m_WaveType=2;
	m_WaveProcess.GetData(m_Data,m_Num,m_WaveType,m_NoNoise,m_Fre);
//	m_WaveDraw.DrawWave(m_MsChart1,m_Data,m_Num);
//	m_MsChart1.Refresh();
	m_WaveProcess.FFT(m_Data,m_FftData,m_Num,8);
	UpdateData(FALSE);

	m_Scroll.SetScrollRange(0,1000,10);
	m_Scroll.SetScrollPos(100);
	m_Fre = 1.0f;
	UpdateData(FALSE);
//  m_WaveDraw.DrawWave(m_MsChart2,m_FftData,m_Num);
}
/////////////////////////////////////////////////////////////////////////////
// CWave_FftView printing

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

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

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

void CWave_FftView::OnPrint(CDC* pDC, CPrintInfo* /*pInfo*/)
{
	// TODO: add customized printing code here
}

/////////////////////////////////////////////////////////////////////////////
// CWave_FftView diagnostics

#ifdef _DEBUG
void CWave_FftView::AssertValid() const
{
	CFormView::AssertValid();
}

void CWave_FftView::Dump(CDumpContext& dc) const
{
	CFormView::Dump(dc);
}

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

/////////////////////////////////////////////////////////////////////////////
// CWave_FftView message handlers

void CWave_FftView::OnDraw(CDC* pDC) 
{
	m_WaveDraw.DrawWave(m_MsChart1,m_Data,m_Num);
	m_MsChart1.Refresh();
    m_WaveDraw.DrawWave(m_MsChart2,m_FftData,m_Num);
	m_MsChart2.Refresh();
}

/************************************************************************/
/*          功能：选择波形（正弦波）                                    */
/************************************************************************/
void CWave_FftView::OnRadioWave() 
{
    m_WaveType=0;
	m_WaveProcess.GetData(m_Data,m_Num,m_WaveType,m_NoNoise,m_Fre);
	m_WaveProcess.FFT(m_Data,m_FftData,m_Num,8);
	ReDraw();
	
}

/************************************************************************/
/*          功能：选择波形（三角波）                                    */
/************************************************************************/
void CWave_FftView::OnRadioWaveS() 
{
    m_WaveType=1;
	m_WaveProcess.GetData(m_Data,m_Num,m_WaveType,m_NoNoise,m_Fre);
	m_WaveProcess.FFT(m_Data,m_FftData,m_Num,8);
	ReDraw();
}

void CWave_FftView::OnRADIONoNoise() 
{
    m_NoNoise=0;
	m_WaveProcess.GetData(m_Data,m_Num,m_WaveType,m_NoNoise,m_Fre);
	m_WaveProcess.FFT(m_Data,m_FftData,m_Num,8);
	ReDraw();	
}

void CWave_FftView::OnNoise() 
{
    m_NoNoise=1;
	m_WaveProcess.GetData(m_Data,m_Num,m_WaveType,m_NoNoise,m_Fre);
	m_WaveProcess.FFT(m_Data,m_FftData,m_Num,8);
	ReDraw();	
}

void CWave_FftView::ReDraw()
{
	m_WaveDraw.DrawWave(m_MsChart1,m_Data,m_Num);
	m_MsChart1.Refresh();
    m_WaveDraw.DrawWave(m_MsChart2,m_FftData,m_Num);
	m_MsChart2.Refresh();
}

void CWave_FftView::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) 
{
	int minpos,maxpos;

    pScrollBar->GetScrollRange(&minpos, &maxpos); 
    maxpos = pScrollBar->GetScrollLimit();

	// Get the current position of scroll box.
    int curpos = pScrollBar->GetScrollPos();

	// Determine the new position of scroll box.
	switch (nSBCode)
	{
	case SB_LEFT:      // Scroll to far left.
	  curpos = minpos;
	  break;

	case SB_RIGHT:      // Scroll to far right.
	  curpos = maxpos;
	  break;

	case SB_ENDSCROLL:   // End scroll.
	  break;

	case SB_LINELEFT:      // Scroll left.
	  if (curpos > minpos)
		 curpos--;
	  break;

	case SB_LINERIGHT:   // Scroll right.
	  if (curpos < maxpos)
		 curpos++;
	  break;

	case SB_PAGELEFT:    // Scroll one page left.
	{
	  // Get the page size. 
	  SCROLLINFO   info;
	  pScrollBar->GetScrollInfo(&info, SIF_ALL);

	  if (curpos > minpos)
	  curpos = max(minpos, curpos - (int) info.nPage);
	}
	  break;

	case SB_PAGERIGHT:      // Scroll one page right.
	{
	  // Get the page size. 
	  SCROLLINFO   info;
	  pScrollBar->GetScrollInfo(&info, SIF_ALL);

	  if (curpos < maxpos)
		 curpos = min(maxpos, curpos + (int) info.nPage);
	}
	  break;

	case SB_THUMBPOSITION: // Scroll to absolute position. nPos is the position
	  curpos = nPos;      // of the scroll box at the end of the drag operation.
	  break;

	case SB_THUMBTRACK:   // Drag scroll box to specified position. nPos is the
	  curpos = nPos;     // position that the scroll box has been dragged to.
	  break;
	}

	// Set the new position of the thumb (scroll box).
	pScrollBar->SetScrollPos(curpos);

	if(pScrollBar==&m_Scroll)
	{
		m_Fre = float(curpos)/100;
	}

	UpdateData(FALSE);	
	m_WaveProcess.GetData(m_Data,m_Num,m_WaveType,m_NoNoise,m_Fre);
	m_WaveProcess.FFT(m_Data,m_FftData,m_Num,8);
	ReDraw();
	CFormView::OnHScroll(nSBCode, nPos, pScrollBar);
}

void CWave_FftView::OnButtonAuto() 
{
	CString temp;
	UpdateData(TRUE);
	((CButton *)GetDlgItem(IDC_BUTTON_AUTO))->GetWindowText(temp);
	if (temp=="自动")
	{
		SetTimer(1,1000,0);
		((CButton *)GetDlgItem(IDC_BUTTON_AUTO))->SetWindowText("停止");
	}
	else
	{
		KillTimer(1);
		((CButton *)GetDlgItem(IDC_BUTTON_AUTO))->SetWindowText("自动");
	}
}
 
void CWave_FftView::OnTimer(UINT nIDEvent) 
{
  
	if (nIDEvent==1) 
	{
		if (m_Dir) 
		{
			m_Fre=(m_Fre+0.1)*10/10;
		}
		else
		{
            m_Fre=(m_Fre-0.1)*10/10;;
		}
		
        m_Scroll.SetScrollPos((int)(m_Fre*100));
		if (m_Fre>10)
		{
			m_Dir=FALSE;
		}
		else if (m_Fre<0) 
		{
			m_Dir=TRUE;
		}

		UpdateData(FALSE);	
		m_WaveProcess.GetData(m_Data,m_Num,m_WaveType,m_NoNoise,m_Fre);
		m_WaveProcess.FFT(m_Data,m_FftData,m_Num,8);

		ReDraw();
	}	
	CFormView::OnTimer(nIDEvent);
}