Лабораторная работа 24 / lab22 / CCircle

#include "stdafx.h"
#include "CCircle.h"

CCircle :: CCircle():ShapePosition()
{
	XRad  = 0;
}


CCircle :: CCircle(int _X, int _Y, int _XRad):ShapePosition(_X,_Y)
{
	XRad  = _XRad;
}

CCircle ::~CCircle()
{}

void CCircle :: SetXRad(int _XRad)
{
	XRad = _XRad;
}


int CCircle :: GetXRad() const
{
	return XRad;
}

double CCircle :: GetArea() const
{
	return M_PI * XRad * XRad;
}

int CCircle :: getNumType()
{
	return 2; }

void CCircle ::display(ostream &os)
{
	os << "Class CCircle Information :" << endl << 
		 "X      :" << GetX() << endl <<
		 "Y      :" << GetY() << endl <<
		 "Radius :" << GetXRad() << endl <<
		 "Area   :" << GetArea() << endl;
}

void CCircle ::Draw(CDC* pDC, Shape* figure,bool doLine)
{
CPen aPen; 
   COLORREF aColor=RGB(0,0,0);

   if(this == figure)                  
      aColor = RGB(255,0,0);

   if (doLine)
   {
		aColor = RGB(0,255,0);
   }

   if(!aPen.CreatePen(PS_SOLID, 1, aColor))
   {                                           
      AfxMessageBox("Pen creation failed drawing a rectangle", MB_OK);
      AfxAbort();
   }

   CPen* pOldPen = pDC->SelectObject(&aPen);  


   CPoint Start(GetX(),GetY());
   CPoint End(GetX()+2*GetXRad(),GetY()+2*GetXRad());

   CRect m_EnclosingRect(Start, End);
   m_EnclosingRect.NormalizeRect();	

	pDC->Ellipse(m_EnclosingRect);

	pDC->SelectObject(pOldPen);
}

CRect CCircle ::GetBoundRect()
{
	CRect BoundingRect(GetX(),GetY(),GetX()+2*GetXRad(),GetY()+2*GetXRad());

	return BoundingRect;
}

void CCircle ::writeAr(CArchive& ar)
{ar<<getNumType();
 ar<<GetX();
 ar<<GetY();
 ar<<GetXRad();
}

void CCircle ::readAr(CArchive& ar)
{int _X,_Y;
 ar>>_X;
 ar>>_Y;
 ar>>XRad;

 SetX(_X);SetY(_Y);
}

CString CCircle::getName()
{return "Circle";}