test3view.cpp

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// test3View.cpp : implementation of the CTest3View class
//

#include "stdafx.h"
#include "test3.h"

#include "test3Doc.h"
#include "test3View.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CTest3View

IMPLEMENT_DYNCREATE(CTest3View, CView)

BEGIN_MESSAGE_MAP(CTest3View, CView)
	//{{AFX_MSG_MAP(CTest3View)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CTest3View construction/destruction

CTest3View::CTest3View()
{
	// TODO: add construction code here

}

CTest3View::~CTest3View()
{
}

BOOL CTest3View::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CTest3View drawing

void CTest3View::OnDraw(CDC* pDC)
{
	CTest3Doc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
int xc,yc;
	int R;
	xc=350;
	yc=350;
	R=250;//Initializtion

	COLORREF c;
	c=RGB(0,255,0);
	int x,y,p;
	x=0; 
	y=R; 
	p=3-2*R;
	while(x<y)
	{
		plot_circle_points(xc,yc,x,y,c,pDC);
		if(p<0) 
			p=p+4*x+6;
		else
		{
			p=p+4*(x-y)+10;
			y-=1;
		}
		x+=1;
	}
	if(x==y)
		plot_circle_points(xc,yc,x,y,c,pDC);
}
void CTest3View::plot_circle_points(int xc,int yc,int x,int y,int c,CDC* pDC)
{
	pDC->SetPixel(xc+x,yc+y,c);
	pDC->SetPixel(xc-x,yc+y,c);
	pDC->SetPixel(xc+x,yc-y,c);
	pDC->SetPixel(xc-x,yc-y,c);
	pDC->SetPixel(xc+y,yc+x,c);
	pDC->SetPixel(xc-y,yc+x,c);
	pDC->SetPixel(xc+y,yc-x,c);
	pDC->SetPixel(xc-y,yc-x,c);
}

/////////////////////////////////////////////////////////////////////////////
// CTest3View printing

BOOL CTest3View::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CTest3View::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CTest3View::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CTest3View diagnostics

#ifdef _DEBUG
void CTest3View::AssertValid() const
{
	CView::AssertValid();
}

void CTest3View::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CTest3Doc* CTest3View::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CTest3Doc)));
	return (CTest3Doc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CTest3View message handlers