串口通信程序源码1.0Debug版

// PlotWnd.cpp : implementation file // #include "stdafx.h" #include "PlotWnd.h" #include "MemDC.h" #include "Math.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CPlotWnd CPlotWnd::CPlotWnd() { m_dlow = 0.0; m_dhigh = 15.0; m_bLineVisible = FALSE; m_lDatanum = 0; m_CollectTime = 1; m_logFont.lfHeight = -10; m_logFont.lfWidth = 0; m_logFont.lfEscapement = 0; m_logFont.lfOrientation = 0; m_logFont.lfWeight = 400; m_logFont.lfItalic = FALSE; m_logFont.lfUnderline = FALSE; m_logFont.lfStrikeOut = FALSE; m_logFont.lfCharSet = ANSI_CHARSET; m_logFont.lfOutPrecision = OUT_DEFAULT_PRECIS; m_logFont.lfClipPrecision = CLIP_DEFAULT_PRECIS; m_logFont.lfQuality = PROOF_QUALITY; m_logFont.lfPitchAndFamily = DEFAULT_PITCH; strcpy(m_logFont.lfFaceName,"Ariel"); m_font.CreateFontIndirect(&m_logFont ) ; m_pData = NULL; m_iTrendType = 0; m_lTotalNum = 0; m_lCurNum = 0; m_bRTrendStart = FALSE; m_lTimeRange = 10; ChannelFlag = false; } CPlotWnd::~CPlotWnd() { } BEGIN_MESSAGE_MAP(CPlotWnd, CWnd) //{{AFX_MSG_MAP(CPlotWnd) ON_WM_PAINT() ON_WM_MOUSEMOVE() ON_WM_LBUTTONDBLCLK() //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CPlotWnd message handlers BOOL CPlotWnd::Create(DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID,CString chan_num1,BOOL mode) { // TODO: Add your specialized code here and/or call the base class if(!CWnd::Create(NULL, "通道1实时数据", dwStyle, rect, pParentWnd, nID, NULL)) return FALSE; m_ctrlRect = rect; mode_flag = mode; chan_num = chan_num1; pParentWnd->ClientToScreen(m_ctrlRect); ScreenToClient(m_ctrlRect); ComputeRect(); return TRUE; } CTime CPlotWnd::getnowtime() { struct tm *newtime; time_t long_time; time( &long_time ); /* Get time as long integer. */ newtime = localtime( &long_time ); /* Convert to local time. */ int year = newtime->tm_year+1900; int month = newtime->tm_mon+1; int day = newtime->tm_mday; int hour =newtime->tm_hour; int minu = newtime->tm_min; int sec = newtime->tm_sec; CTime tt(year,month,day,hour,minu,sec); return tt; } void CPlotWnd::OnPaint() { CPaintDC dc(this); // device context for painting // TODO: Add your message handler code here CMemDC memDC(&dc); Draw(&memDC); // Do not call CWnd::OnPaint() for painting messages } void CPlotWnd::Draw(CDC *pDC) { DrawBKGround(pDC); // DrawLine(pDC); if (mode_flag == TRUE) { // if(m_iTrendType == 0)//修正实时曲线Y轴最大值 // { // JustYScale(); // } DrawXGrid(pDC,m_beginTime,m_endTime,10); DrawYGrid(pDC,m_dlow,m_dhigh,20); if(m_iTrendType==1) { DrawLine(pDC); UpdateShowRect(pDC); } else if(m_iTrendType ==0) { DrawRealLine(pDC); UpdateShowRect(pDC); } if(m_bLineVisible) DrawScrollLine(pDC); DrawChannel(pDC); } } void CPlotWnd::DrawBKGround(CDC *pDC) { pDC->SetBkMode (0); CBrush brushctlBkColor(RGB(128,128,128));//gray13160660 CBrush brushmachine(RGB(200,200,200)); CBrush brushplotBkColor(RGB(0,0,0)); //black画图背景 CBrush brushmachine1(RGB(255,255,255)); CBrush* poldBrush = pDC->SelectObject(&brushctlBkColor) ; CRect crecttemp; crecttemp.left = m_ctrlRect.left+1; crecttemp.right = m_ctrlRect.right-1; crecttemp.top = m_ctrlRect.top+1; crecttemp.bottom = m_ctrlRect.bottom-1; if (mode_flag == TRUE) { pDC->FillRect (m_ctrlRect,&brushctlBkColor);//填充整个窗口的颜色 } else { pDC->FillRect(m_ctrlRect,&brushmachine); pDC->FillRect(crecttemp,&brushmachine1); DrawChannel(pDC); } pDC->SelectObject(poldBrush) ; poldBrush = pDC->SelectObject(&brushplotBkColor); CRect rectFrame; rectFrame.left = m_plotRect.left -2; rectFrame.top = m_plotRect.top -2 ; rectFrame.right = m_plotRect.right +2 ; rectFrame.bottom = m_plotRect.bottom +2 ; if (mode_flag == TRUE) { pDC->FillRect(m_plotRect,&brushplotBkColor); } pDC->SelectObject(poldBrush) ; } void CPlotWnd::DrawXGrid(CDC *pDC,CTime btime,CTime etime,int divNum) { //绘制X网格线 int i, j; int ticklong = 8 ; CPen linePen(PS_DOT,1,RGB(160,160,160)); CPen tickPen(PS_SOLID,1,RGB(160,160,160)) ; CPen* pOldPen =pDC->SelectObject(&tickPen); for(i = 1; i < 10; i ++)//画坐标点 { j = m_plotRect.left + (int)(1.0 * i * (m_plotRect.right -m_plotRect.left )/ 10); pDC->MoveTo(j,m_plotRect.top+1); pDC->LineTo(j,m_plotRect.top + ticklong) ; pDC->MoveTo(j,m_plotRect.bottom -1); pDC->LineTo(j,m_plotRect.bottom - ticklong ) ; } pDC->SelectObject(pOldPen) ; pOldPen = pDC->SelectObject(&linePen) ; for(i = 1; i < 10; i ++) { j = m_plotRect.left + (int)(1.0 * i * (m_plotRect.right -m_plotRect.left )/ 10); pDC->MoveTo(j,m_plotRect.top+ticklong+3); pDC->LineTo(j,m_plotRect.bottom - ticklong -3) ; } pDC->SelectObject(pOldPen); //画坐标 if(m_iTrendType==1) { SetStringAlign(LEFT,CENTER) ; CFont* poldfont = pDC->SelectObject(&m_font) ; COLORREF color = pDC->SetTextColor(RGB(64,255,64)) ; int posdis = int((double(m_plotRect.Width ())/double(divNum))); j = m_plotRect.left - 6 ; CString str; CTime* ptime; ptime = new CTime[divNum+1]; ptime[0] = btime; ptime[divNum] = etime; long b,e; b = btime.GetTime (); e = etime.GetTime (); CTimeSpan span((e-b)/divNum); StartTime = btime.GetTime (); for(i=1;i<divNum;i++) { ptime[i] = ptime[i-1] + span; } for(i = 0; i<= divNum; i++) { str = FormatTimeString(ptime[i]); PrintString(pDC,j,m_axisXRect.bottom -8 ,0,str) ; j = j + posdis; } pDC->SetTextColor(color) ; pDC->SelectObject(poldfont); delete[] ptime; } else if(m_iTrendType==0&&m_bRTrendStart&&m_lCurNum>1) { SetStringAlign(LEFT,CENTER) ; CFont* poldfont = pDC->SelectObject(&m_font) ; COLORREF color = pDC->SetTextColor(RGB(64,255,64)) ; int posdis = int((double(m_plotRect.Width ())/double(divNum))); j = m_plotRect.left - 6 ; CString str; CTime* ptime; ptime = new CTime[divNum+1]; ptime[0] = m_pData[0].time ; CTimeSpan span1(0,0,0,m_lTimeRange); ptime[divNum] = ptime[0]+span1; long b,e; b = ptime[0].GetTime (); StartTime = ptime[0]; e = ptime[divNum].GetTime (); CTimeSpan span((e-b)/divNum); for(i=1;i<divNum;i++) { ptime[i] = ptime[i-1] + span; } for(i = 0; i<= divNum; i++) { str = FormatTimeString(ptime[i]); PrintString(pDC,j,m_axisXRect.bottom -8 ,0,str) ; j = j + posdis; } pDC->SetTextColor(color) ; pDC->SelectObject(poldfont); delete[] ptime; } } void CPlotWnd::DrawYGrid(CDC *pDC,double min, double max, int divNum) { //绘制Y轴网格线及其坐标 int i, j; int ticklong = 8 ; CPen tickPen(PS_SOLID,1,RGB(160,160,160)) ; CPen linePen(PS_DOT ,1,RGB(160,160,160)) ; CPen* pOldPen =pDC->SelectObject(&tickPen); double datadis=(max-min)/double(divNum); //画坐标 SetStringAlign(LEFT,CENTER) ; CFont* poldfont = pDC->SelectObject(&m_font) ; COLORREF color = pDC->SetTextColor(RGB(64,255,64)) ; int posdis = int((double(m_plotRect.Height())/double(divNum))); j = m_plotRect.bottom - 3 ; CString str; for(i = 0; i<= divNum; i++) { str.Format ("%5.1f",min+datadis*i); PrintString(pDC,m_axisYRect.left,j,0,str) ; j = j - posdis; } pDC->SetTextColor(color) ; //画网格线 for(i = 1; i < 20 ; i ++) { j = m_plotRect.top + (int)(1.0 * i * (m_plotRect.bottom -m_plotRect.top ) / 20); pDC->MoveTo(m_plotRect.left +1,j); pDC->LineTo(m_plotRect.left + ticklong ,j ) ;