test4view.cpp

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// test4View.cpp : implementation of the CTest4View class
//

#include "stdafx.h"
#include "test4.h"

#include "test4Doc.h"
#include "test4View.h"

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

/////////////////////////////////////////////////////////////////////////////
// CTest4View

IMPLEMENT_DYNCREATE(CTest4View, CView)

BEGIN_MESSAGE_MAP(CTest4View, CView)
	//{{AFX_MSG_MAP(CTest4View)
		// 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()

/////////////////////////////////////////////////////////////////////////////
// CTest4View construction/destruction

CTest4View::CTest4View()
{
	// TODO: add construction code here

}

CTest4View::~CTest4View()
{
}

BOOL CTest4View::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CTest4View drawing

void CTest4View::OnDraw(CDC* pDC)
{
	CTest4Doc* 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 CTest4View::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);
}

/////////////////////////////////////////////////////////////////////////////
// CTest4View printing

BOOL CTest4View::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CTest4View::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CTest4View::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CTest4View diagnostics

#ifdef _DEBUG
void CTest4View::AssertValid() const
{
	CView::AssertValid();
}

void CTest4View::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CTest4Doc* CTest4View::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CTest4Doc)));
	return (CTest4Doc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CTest4View message handlers