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void CDialog_CRgn_104::OnBnClickedButton1()

{     // TODO: 在此添加控件通知处理程序代码     CRgn rgn1,rgn2,rgn3;     /*rgn1.CreateRectRgn(0,0,100,150);     rgn1.DeleteObject();*/     //rgn1.CreateRectRgnIndirect(CRect(0,0,100,150));     //rgn1.CreateEllipticRgn(0,0,100,150);     rgn1.CreateEllipticRgnIndirect(CRect(0,0,100,150));     rgn2.CreateRectRgnIndirect(CRect(0,22,150,222));     rgn3.CreateEllipticRgnIndirect(CRect(120,199,220,150));          rgn1.CombineRgn(&rgn2,&rgn3,RGN_OR   ); //rgn1=rgn2+rgn3;     CDC *pdc=GetDC();     CBrush bsh(0xff);     pdc->FillRgn(&rgn1,&bsh);     //pdc->Rectangle()         rgn1.DeleteObject();     rgn2.DeleteObject();     rgn3.DeleteObject();     ReleaseDC(pdc); }

void CDialog_CRgn_104::OnLButtonDown(UINT nFlags, CPoint point)

{     // TODO: 在此添加消息处理程序代码和/或调用默认值     TRACE("%d,%d,",point.x,point.y);     static CDC *pdc=GetDC();     pdc->SetPixel(point,0xFF);     pdc->LineTo(point);     CDialog::OnLButtonDown(nFlags, point); }

void CDialog_CRgn_104::OnBnClickedButton2()

{     // TODO: 在此添加控件通知处理程序代码     CRgn rgn;     POINT p[22]={140,49,262,14,346,92,287,186,153,165/* */,129,140,76,39,153,47,63,45,20};     rgn.CreatePolygonRgn(p,5,1 );//WINDING     CDC *pdc=GetDC();     CBrush bsh(0xFF000);     pdc->FillRgn(&rgn,&bsh);;

    rgn.DeleteObject();

    ReleaseDC(pdc); }

void CDialog_CRgn_104::OnBnClickedButton3()

{     // TODO: 在此添加控件通知处理程序代码     CRgn r25;     POINT p[14]={64,51,138,22,133,87,          94,60,193,49,219,120,134,175,93,124,110,95,200,109,321,131,287,203,191,241,173,134};     //int pn[2]={5,5};     //r25.CreatePolyPolygonRgn(p,pn,2,ALTERNATE );     int pn[3]={3,6,5};     r25.CreatePolyPolygonRgn(p,pn,3,WINDING);     CDC *pdc=GetDC();     CBrush bsh(0xFF000);     pdc->FillRgn(&r25,&bsh);;

    r25.DeleteObject();

    ReleaseDC(pdc);

}

 

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