天天向上

 
 
BOOL CCreateStructDemoView::PreCreateWindow(CREATESTRUCT& cs)
{
    // TODO: 在此經由修改 CREATESTRUCT cs
    // 達到修改視窗類別或樣式的目的
    cs.x = 100; cs.y = 100;         // 左上角x, y座標
    cs.cx  = 300; cs.cy = 200;     // 寬度, 高度
    cs.style |= WS_HSCROLL;      // 水平捲軸
    cs.style |= WS_VSCROLL;      // 垂直捲軸
    
    return CView::PreCreateWindow(cs);
}

void CDialogBaseDlg::OnBnClickedButton1()
{
    // TODO: 在此加入控制項告知處理常式程式碼
    AfxMessageBox(_T("Hello, Visual C++"));
}

void CmdiView::OnDraw(CDC* pDC)
{
    CmdiDoc* pDoc = GetDocument();
    ASSERT_VALID(pDoc);
    if (!pDoc)
        return;
    // TODO: 在此加入原生資料的描繪程式碼
    CTime cur_tm;   
    cur_tm = CTime::GetCurrentTime();
    int year = cur_tm.GetYear();
    int month = cur_tm.GetMonth();
    int date = cur_tm.GetDay();
    int DayOfWeek = cur_tm.GetDayOfWeek(); // 禮拜幾,1=SUN ... 7=SAT
    int hour = cur_tm.GetHour();
    int minute = cur_tm.GetMinute();  
    int Second = cur_tm.GetSecond();
    CString ss;
    ss.Format(_T("%4d/%02d/%02d %02d:%02d:%02d, 禮拜%d"), year, month, date, hour, minute,     Second, DayOfWeek);
    pDC->TextOut(0, 0, ss);  
}

AddMemberFunVarView.cpp
void CAddMemberFunVarView::OnDraw(CDC* pDC)
{
    CAddMemberFunVarDoc* pDoc = GetDocument();
    ASSERT_VALID(pDoc);
    if (!pDoc)
        return;
    // TODO: 在此加入原生資料的描繪程式碼
    CString ss;
    mydata = 123;
    ss.Format(_T("mydata = %d"), mydata);
    pDC->TextOut(0, 0, ss);
    myfunc(567);
}

Unicode文字編碼為wide-encoding其中的一種規格, 而BIG-5則是所謂多位元文字編碼(Multibyte Character Set, MBCS)
// CHelloVCView 描繪
void CHelloVCView::OnDraw(CDC* pDC)
{
    CHelloVCDoc* pDoc = GetDocument();
    ASSERT_VALID(pDoc);
    if (!pDoc)
        return;
    // TODO: 在此加入原生資料的描繪程式碼
    pDC->TextOut(0, 0, L"Hello, Visual C++");
}

    const int N = 20;
    double *Xa = new double[N];
    double *Ya = new double[N];
    for(int i=0; i<N; i++)
    {
         Xa[i] = i;
         Ya[i] = (rand()%10-10);
    }
    // model: y = a1*x1 + a2*x2 + a3
    CvMat *y = cvCreateMat(N, 1, CV_64FC1);
    CvMat *X = cvCreateMat(N, 3, CV_64FC1);
    CvMat *coeff = cvCreateMat(3, 1, CV_64FC1);
    // fill vector y and matrix X
    for (int i=0; i<N; ++i)
    {
        cvmSet(y, i, 0, Ya[i] );
        cvmSet(X, i, 0, 1 );
        cvmSet(X, i, 1, Xa[i] );
        cvmSet(X, i, 2, Xa[i]*Xa[i] );
    }
    
    cvSolve(X, y, coeff, CV_SVD);
    double x[3];
    for(int i=0; i<3; i++)
    {
       x[i] = cvGet2D(coeff,i,0).val[0];
       StatusBar1->Panels->Items[3+i]->Text = x[i];
    }
    Chart4->RemoveAllSeries();
    //draw points
    TPointSeries *theSeries;
    theSeries = new TPointSeries(Chart4);
    theSeries->SeriesColor = clGreen ;
    theSeries->Marks->Style = psDot;
    theSeries->ParentChart = Chart4;
    for(int j=0; j<N; ++j)
    theSeries->AddXY(Xa[j], Ya[j]);
    //Chart1->Canvas->Brush->Style = bsSolid ;
    TLineSeries *theLine;
    theLine = new TLineSeries(Chart4);
    theLine->SeriesColor = clRed;
    //theLine->LinePen->Style = psDashDot;
    //theLine->LinePen->Style = psSolid;
    //theLine->LinePen->Style = psDash;
    //theLine->LinePen->Style = psDot;
    theLine->LinePen->Style = psDashDotDot;
    //theLine->LinePen->Style = ps;
    theLine->ParentChart = Chart4;
    int xe;
    for(int j=-1; j<N; ++j)
    {
       theLine->AddXY(j, x[0]+x[1]*j + x[2]*j*j);
    }
    delete [] Xa;
    delete [] Ya;
    Chart4->SaveToBitmapFile("c:\\polyfit.jpg");

  (1) Circle
    CvSize ImageSize1 = cvSize(1000,700);
    IplImage* Image1 = cvCreateImage(ImageSize1,IPL_DEPTH_8U,1);
    cvNot(Image1,Image1);
    CvPoint CircleCenter = cvPoint(500,350);
    int Radius = 300;
    CvScalar Color = CV_RGB(0,0,0);
    int Thickness = CV_FILLED;
    int Shift;
    cvCircle(Image1,CircleCenter,Radius,Color,Thickness,CV_AA,Shift);
    cvNamedWindow("Circle",1);
    cvShowImage("Circle",Image1);
    cvWaitKey(0);