test7view.cpp

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// test7View.cpp : implementation of the CTest7View class
//

#include "stdafx.h"
#include "test7.h"

#include "test7Doc.h"
#include "test7View.h"

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

/////////////////////////////////////////////////////////////////////////////
// CTest7View

IMPLEMENT_DYNCREATE(CTest7View, CView)

BEGIN_MESSAGE_MAP(CTest7View, CView)
	//{{AFX_MSG_MAP(CTest7View)
		// 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()

/////////////////////////////////////////////////////////////////////////////
// CTest7View construction/destruction

CTest7View::CTest7View()
{
	// TODO: add construction code here

}

CTest7View::~CTest7View()
{
}

BOOL CTest7View::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CTest7View drawing

void CTest7View::OnDraw(CDC* pDC)
{
	CTest7Doc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
    int xc,yc,radius;
	xc=350;
	yc=350;
	radius=200;
	COLORREF c;
	c=RGB(0,255,0);

	int x,y,p;
	x=radius;
	y=0;
	p=3-2*radius;
	while(y<x)
	{
		plot_circle_points(xc,yc,x,y,c,pDC);
		if(p<0)
			p=p+4*y+6;
		else 
		{
			p=p+4*(y-x)+10;
			x-=1;
		}
		y+=1;
	}
	if(x==y)
		plot_circle_points(xc, yc, x, y, c, pDC);
}
void CTest7View::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);
}

/////////////////////////////////////////////////////////////////////////////
// CTest7View printing

BOOL CTest7View::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CTest7View::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CTest7View::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CTest7View diagnostics

#ifdef _DEBUG
void CTest7View::AssertValid() const
{
	CView::AssertValid();
}

void CTest7View::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CTest7Doc* CTest7View::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CTest7Doc)));
	return (CTest7Doc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CTest7View message handlers