wavedlg.cpp

串口调试C源代码，波形显示.rar

// WaveDlg.cpp : implementation file
//

#include "stdafx.h"
#include "串口调试.h"
#include "WaveDlg.h"
#include "串口调试Dlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CWaveDlg dialog


CWaveDlg::CWaveDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CWaveDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CWaveDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void CWaveDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CWaveDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CWaveDlg, CDialog)
	//{{AFX_MSG_MAP(CWaveDlg)
	ON_WM_CLOSE()
	ON_WM_SIZE()
	ON_WM_PAINT()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CWaveDlg message handlers
void CWaveDlg::OnClose() 
{
	// TODO: Add your message handler code here and/or call default
	DestroyWindow();
	CDialog::OnClose();
}

void CWaveDlg::OnSize(UINT nType, int cx, int cy) 
{

	CDialog::OnSize(nType, cx, cy);
	m_WaveWndW = cx;
	m_WaveWndH = cy;
	Invalidate();
	// TODO: Add your message handler code here
	
}

void CWaveDlg::OnPaint() 
{
	CPaintDC dc(this); // device context for painting

	dc.MoveTo(10,10);
	dc.LineTo(10,m_WaveWndH-20);
	dc.MoveTo(10,m_WaveWndH-20);
	dc.LineTo(m_WaveWndW-10,m_WaveWndH-20);
	for(int i=0;i<(int)strlen(m_ReceiveBuffer)-1;i++)
	{
		dc.MoveTo( 
			i*10+10,
			m_WaveWndH-(int)(m_ReceiveBuffer.GetAt(i))*(m_WaveWndH-20)/256-10
			);
		dc.LineTo(
			(i+2)*10,
			m_WaveWndH-(int)(m_ReceiveBuffer.GetAt(i+1))*(m_WaveWndH-20)/256-10
			);
	}
	((CScrollBar*)GetDlgItem(IDC_SCROLLBAR))->SetScrollPos(100,FALSE);
	// TODO: Add your message handler code here
	// Do not call CDialog::OnPaint() for painting messages
}