使用MFC绘制马蹄形曲线

       CRect rect;
GetClientRect(&rect);

CClientDC dc(this);
dc.SetMapMode(MM_HIMETRIC);
dc.SetViewportOrg(50,rect.Height()-50);

CPen pen1(PS_SOLID,50,RGB(179,182,186));
CPen*pOldPen1=dc.SelectObject(&pen1);

for(int i=1;i<=18;i++)
{
  dc.MoveTo(0,500*i);
  dc.LineTo(8000,500*i); 
}
for(int i=1;i<=16;i++)
{
  dc.MoveTo(500*i,0);
  dc.LineTo(500*i,9000); 
}

CPen pen2(PS_SOLID,100,RGB(96,98,101));
CPen*pOldPen2=dc.SelectObject(&pen2);

dc.MoveTo(0,0);
dc.LineTo(8000,0);
dc.MoveTo(0,0);
dc.LineTo(0,9000);

CPen pen3(PS_SOLID,50,RGB(96,98,101));

CPen*pOldPen3=dc.SelectObject(&pen3);

POINT aPoint1 [4] = { 1733,48,1241,578,913,1327,454,2950 };
        POINT aPoint2 [4] = { 454,2950,235,4127,82,5384,39,6548};
        POINT aPoint3 [4] = { 39,6548,139,7502,389,8120,743,8338};
POINT aPoint4 [4] = { 743,8338,1142,8262,1547,8059,1929,7816};
POINT aPoint5 [4] = { 1929,7816,2296,7543,2658,7243,3016,6923};
POINT aPoint6 [4] = { 3016,6923,3731,6245,4441,5547,5125,4866};

        dc.PolyBezier (aPoint1, 4);
        dc.PolyBezier (aPoint2, 4);
dc.PolyBezier (aPoint3, 4);
dc.PolyBezier (aPoint4, 4);
dc.PolyBezier (aPoint5, 4);
dc.PolyBezier (aPoint6, 4);

dc.MoveTo(5125,4866);
dc.LineTo(7345,2655);
dc.MoveTo(1733,48);
dc.LineTo(7345,2655);

CBrush brush1(RGB(96,98,101));
for(int j=0;j<=8;j++)
{  CString string[9]={_T("0.0"),_T("0.1"),_T("0.2"),_T("0.3"),_T("0.4"),_T("0.5"),_T("0.6"),_T("0.7"),_T("0.8")};
   dc.TextOut(1000*j-200,-250,string[j]);
}
for(int k=0;k<=9;k++)
{  CString string[10]={_T("0.0"),_T("0.1"),_T("0.2"),_T("0.3"),_T("0.4"),_T("0.5"),_T("0.6"),_T("0.7"),_T("0.8"),_T("0.9")};
dc.TextOut(-700,1000*k+200,string[k]);
}