diamondview.cpp

本程序是我写的第一个用于工程的程序

// DiamondView.cpp : implementation of the CDiamondView class
//

#include "stdafx.h"
#include "Diamond.h"

#include "DiamondDoc.h"
#include "DiamondView.h"

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


/////////////////////////////////////////////////////////////////////////////
// CDiamondView

IMPLEMENT_DYNCREATE(CDiamondView, CView)

BEGIN_MESSAGE_MAP(CDiamondView, CView)
	//{{AFX_MSG_MAP(CDiamondView)
	ON_WM_CREATE()
	ON_WM_DESTROY()
	ON_WM_TIMER()////very important!!!
		// 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()

/////////////////////////////////////////////////////////////////////////////
// CDiamondView construction/destruction

CDiamondView::CDiamondView()
{
	// TODO: add construction code here
	qq=200;

}

CDiamondView::~CDiamondView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CDiamondView drawing

void CDiamondView::OnDraw(CDC* pDC)
{
	CDiamondDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);

	//设置变量i,j
	int i,j;
	i=200;
	j=200;



	CRect rect;
	GetClientRect(rect);
	/*CBrush ClearBrush(RGB(255,255,255));
	pDC->SelectObject(&ClearBrush);
	pDC->PatBlt(rect.left,rect.top,rect.Width(),rect.Height(),PATCOPY);*/


    CDC MemDC;
	CBitmap MemBitmap;
	MemDC.CreateCompatibleDC(NULL);
	MemBitmap.CreateCompatibleBitmap(pDC,rect.Width(),rect.Height());
	CBitmap *pOldBit=MemDC.SelectObject(&MemBitmap);
	MemDC.FillSolidRect(0,0,rect.Width(),rect.Height(),RGB(255,255,255));
	CBrush*     pNewBrush;
	CBrush*     pOLdBrush;
	pNewBrush=new CBrush;

	if(pNewBrush->CreateSolidBrush(RGB(255,0,0)))
	{
		pOLdBrush =MemDC.SelectObject(pNewBrush);
		MemDC.Ellipse(qq,j,qq+200,j+200);
		MemDC.SelectObject(pOLdBrush);
	}
	delete pNewBrush;
	

	//MemDC.Ellipse(qq,j,qq+100,j+100);
	pDC->BitBlt(0,0,rect.Width(),rect.Height(),&MemDC,0,0,SRCCOPY);
	MemBitmap.DeleteObject();
	MemDC.DeleteDC();



	
/*	//设置画笔
    CBrush*     pNewBrush;
	CBrush*     pOLdBrush;
	pNewBrush=new CBrush;

	if(pNewBrush->CreateSolidBrush(RGB(255,0,0)))
	{
		pOLdBrush = pDC->SelectObject(pNewBrush);
		CRect rect;
		GetClientRect(rect);
		pDC->Ellipse(qq,j,qq+100,j+100);
		pDC->SelectObject(pOLdBrush);
	}
	delete pNewBrush;*/
	/*CPen pen,*pOldPen;
	pen.CreatePen(PS_SOLID,1,RGB(255,0,0));
	pOldPen=pDC->SelectObject(&pen);
	pDC->Ellipse(qq,j,qq+20,j+20);
	pDC->SelectObject(pOldPen);*/






	// TODO: add draw code for native data here
}



////////////////////////////////////////////////////////////////////////////
//onpaint




/////////////////////////////////////////////////////////////////////////////
///movetoo
void CDiamondView::Movetoo()
{
	if(qq<600)
		qq=qq+1;
	//OnDraw(CDC* pDC);

}


/////////////////////////////////////////////////////////////////////////////
//OnCreate
int CDiamondView::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CView::OnCreate(lpCreateStruct) == -1)
		return -1;
	SetTimer(1,10,NULL);
	CDC*pDC=GetDC();
	CBrush* pNewBrush;
	pNewBrush=new CBrush;
	pNewBrush->CreateSolidBrush(RGB(255,0,0));

	pDC->SelectObject(pNewBrush);
/*	CPen pen;
    pen.CreatePen(PS_SOLID,1,RGB(255,0,0));
	pDC->SelectObject(&pen);*/
	return 0;
}


/////////////////////////////////////////////////////////////////////////////
//ondestroy
void CDiamondView::OnDestroy()
{
	KillTimer(1);
	CView::OnDestroy();
}



/////////////////////////////////////////////////////////////////////////////
//ontimer
void CDiamondView::OnTimer(UINT nIDEvent)
{
    Movetoo();
	Invalidate(FALSE);
	CView::OnTimer(nIDEvent);
}


/////////////////////////////////////////////////////////////////////////////
// CDiamondView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CDiamondView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CDiamondView message handlers