www.gusucode.com > VC++ 实时曲线显示类-源码程序 > VC++ 实时曲线显示类-源码程序/code/demo/demoView.cpp
//Download by http://www.NewXing.com #include "stdafx.h" #include "Demo.h" #include "DemoDoc.h" #include "DemoView.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CDemoView IMPLEMENT_DYNCREATE(CDemoView, CView) BEGIN_MESSAGE_MAP(CDemoView, CView) //{{AFX_MSG_MAP(CDemoView) ON_WM_TIMER() ON_WM_SIZE() ON_WM_ERASEBKGND() //}}AFX_MSG_MAP // Standard printing commands ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint) ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint) ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview) END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CDemoView construction/destruction CDemoView::CDemoView() { // TODO: add construction code here canSize=FALSE; } CDemoView::~CDemoView() { } BOOL CDemoView::PreCreateWindow(CREATESTRUCT& cs) { // TODO: Modify the Window class or styles here by modifying // the CREATESTRUCT cs return CView::PreCreateWindow(cs); } ///////////////////////////////////////////////////////////////////////////// // CDemoView drawing void CDemoView::OnDraw(CDC* pDC) { CDemoDoc* pDoc = GetDocument(); ASSERT_VALID(pDoc); // TODO: add draw code for native data here } ///////////////////////////////////////////////////////////////////////////// // CDemoView printing BOOL CDemoView::OnPreparePrinting(CPrintInfo* pInfo) { // default preparation return DoPreparePrinting(pInfo); } void CDemoView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) { // TODO: add extra initialization before printing } void CDemoView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/) { // TODO: add cleanup after printing } ///////////////////////////////////////////////////////////////////////////// // CDemoView diagnostics #ifdef _DEBUG void CDemoView::AssertValid() const { CView::AssertValid(); } void CDemoView::Dump(CDumpContext& dc) const { CView::Dump(dc); } CDemoDoc* CDemoView::GetDocument() // non-debug version is inline { ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CDemoDoc))); return (CDemoDoc*)m_pDocument; } #endif //_DEBUG ///////////////////////////////////////////////////////////////////////////// // CDemoView message handlers void CDemoView::OnInitialUpdate() { CView::OnInitialUpdate(); CRect Rect; GetClientRect(Rect); m_Plot.Create(WS_CHILD|WS_VISIBLE,Rect,this,12000); m_Plot.SetSerie(0, PS_SOLID, RGB(255,0,0), 0.0, 2000.0, "Pressure"); m_Plot.SetSerie(1, PS_DOT, RGB(0,255,0), 0.0, 2000.0, "Pressure"); m_Plot.SetSerie(2, PS_DASH, RGB(0,0,255), 0.0, 2000.0, "Pressure"); m_Plot.SetSerie(3, PS_SOLID, RGB(255,255,0), 0.0, 2000.0, "Pressure"); m_Plot.SetLegend(0, PS_SOLID, RGB(255,0,0), "Temperature"); m_Plot.SetLegend(1, PS_DOT, RGB(0,255,0), "Pressure"); m_Plot.SetLegend(2, PS_DASH, RGB(0,0,255), "Pressure"); m_Plot.SetLegend(3, PS_SOLID, RGB(255,255,0), "Pressure"); m_Plot.m_bAutoScrollX=TRUE; SetTimer(1,1000,NULL); canSize=TRUE; } void CDemoView::OnTimer(UINT nIDEvent) { static BOOL pros={FALSE}; if(!pros){ pros=TRUE; { double y =(double)(abs(rand())%2000); m_Plot.AddPoint(0, CTime::GetCurrentTime(), y); } { double y =(double)(abs(rand())%2000); m_Plot.AddPoint(1, CTime::GetCurrentTime(), y); } { double y =(double)(abs(rand())%2000); m_Plot.AddPoint(2, CTime::GetCurrentTime(), y); } { //double y =(double)(abs(rand())%2000); double y=500.0; m_Plot.AddPoint(3, CTime::GetCurrentTime(), y); } Invalidate(); pros=FALSE; } CView::OnTimer(nIDEvent); } void CDemoView::OnSize(UINT nType, int cx, int cy) { CView::OnSize(nType, cx, cy); if(canSize){ CRect Rect; GetClientRect(Rect); m_Plot.MoveWindow(Rect); } } BOOL CDemoView::OnEraseBkgnd(CDC* pDC) { // TODO: Add your message handler code here and/or call default return FALSE; }