1_5view.cpp

又一个游戏编程的小例子。单文档程序

// 1_5View.cpp : implementation of the CMy1_5View class
//

#include "stdafx.h"
#include "1_5.h"

#include "1_5Doc.h"
#include "1_5View.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMy1_5View

IMPLEMENT_DYNCREATE(CMy1_5View, CView)

BEGIN_MESSAGE_MAP(CMy1_5View, CView)
	//{{AFX_MSG_MAP(CMy1_5View)
	ON_WM_CREATE()
	ON_WM_TIMER()
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CMy1_5View construction/destruction

CMy1_5View::CMy1_5View()
{
	// TODO: add construction code here
	//获得位图
    m_Bitmap.LoadBitmap(IDB_BITMAP1);
	ixunhuan=0;
}

CMy1_5View::~CMy1_5View()
{
}

BOOL CMy1_5View::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CMy1_5View drawing

void CMy1_5View::OnDraw(CDC* pDC)
{
	CMy1_5Doc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
   	 CDC Dc;
	 if(Dc.CreateCompatibleDC(pDC)==FALSE)
		  AfxMessageBox("Can't create DC");
	 //画复杂图形，有多种颜色
		for(int j=0;j<25;j++)
		 for(int i=0;i<44;i++)
		 {
	     
			CBrush mybrush1;
			mybrush1.CreateSolidBrush(RGB((i*20)%255,(j*20)%255,(i+j+20)%255));
			//正方形
			CRect myrect1(20*i,20*j,20*i+20,20*j+20);
			pDC->FillRect(myrect1,&mybrush1);
            //圆
 			pDC->Ellipse(20*i,20*j,20*i+20,20*j+20);
			//小正方形
			CRect myrect2(20*i+4,20*j+4,20*i+16,20*j+16);
			pDC->FillRect(myrect2,&mybrush1);
			//小圆
			pDC->Ellipse(20*i+4,20*j+4,20*i+16,20*j+16);
			//更小正方形
	    	CRect myrect3(20*i+7,20*j+7,20*i+13,20*j+13);
			pDC->FillRect(myrect3,&mybrush1);
			//更小圆
			pDC->Ellipse(20*i+7,20*j+7,20*i+13,20*j+13);
			//最小正方形
	    	CRect myrect4(20*i+9,20*j+9,20*i+11,20*j+11);
			pDC->FillRect(myrect4,&mybrush1);
 	     
		
		 }
		 //在不同位置显示位图
       	Dc.SelectObject(m_Bitmap);
	    pDC->StretchBlt(70+ixunhuan,70,160,160,&Dc,0,0,71,71,SRCCOPY);
	
}

/////////////////////////////////////////////////////////////////////////////
// CMy1_5View printing

BOOL CMy1_5View::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CMy1_5View::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CMy1_5View::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CMy1_5View diagnostics

#ifdef _DEBUG
void CMy1_5View::AssertValid() const
{
	CView::AssertValid();
}

void CMy1_5View::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CMy1_5Doc* CMy1_5View::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CMy1_5Doc)));
	return (CMy1_5Doc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CMy1_5View message handlers

int CMy1_5View::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CView::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	// TODO: Add your specialized creation code here
	SetTimer(1,1200,NULL);
	return 0;
}

void CMy1_5View::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	// TODO: Add your message handler code here and/or call default
	 
    ixunhuan=(ixunhuan+30)%400;
	//如果图象回到开头，全部重画
	// if(ixunhuan<40)
	 	Invalidate();
    
	//设置部分更新区域
//     CRect r;
//  	r.left=70+ixunhuan-40;	
// 	r.top=70;	
// 	r.bottom=r.top+160;	
// 	r.right=r.left+200;
	//部分更新函数
//     InvalidateRect(r,TRUE);
	CView::OnTimer(nIDEvent);
}
//虚函数OnInitialUpdate() ，初始化位图变量
void CMy1_5View::OnInitialUpdate() 
{
	CView::OnInitialUpdate();
	
	// TODO: Add your specialized code here and/or call the base class
	
}