吹泡泡源程序.txt

是一个小小的吹泡泡程序。不过吹出来的泡泡可以根据自己喜欢的颜色进行改变一下代码

//Example9_1:吹泡泡程序
#include <afxwin.h>
//框架窗口类
#define MAX_BUBBLE 250
class CMyWnd:public CFrameWnd
{
	CRect m_rectBubble[MAX_BUBBLE];
	int m_nBubbleCount;
public:
	CMyWnd(){m_nBubbleCount=0;}
protected:
	afx_msg void OnLButtonDown(UINT nFlags,CPoint point);
	afx_msg void OnPaint();
	DECLARE_MESSAGE_MAP()
};

//框架窗口类的成员函数
void CMyWnd::OnLButtonDown(UINT nFlags,CPoint point)
{

	if(m_nBubbleCount<MAX_BUBBLE)
	{   
		
		int r=rand()%50+10;
		CRect rect(point.x-r,point.y-r,point.x+r,point.y+r);
		m_rectBubble[m_nBubbleCount]=rect;
		m_nBubbleCount++;
		InvalidateRect(rect,TRUE);
	}
}
void CMyWnd::OnPaint()
{
	CPaintDC dc(this);
	/*库存图形对象
	  CBrush  NewBrush;   
	  NewBrush.CreateStockObject(LTGRAY_BRUSH);
	  dc.SelectObject(NewBrush);*/
	dc.SelectStockObject(LTGRAY_BRUSH);
	for(int i=0;i<m_nBubbleCount;i++)
		dc.Ellipse(m_rectBubble[i]);
}
//消息映射
BEGIN_MESSAGE_MAP(CMyWnd,CFrameWnd)
   ON_WM_PAINT()
   ON_WM_LBUTTONDOWN()
   
END_MESSAGE_MAP()
//应用程序类
class CMyApp:public CWinApp
{
public:
	BOOL InitInstance();
};
//应用程序类的成员函数
BOOL CMyApp::InitInstance()
{
	CMyWnd*pFrame=new CMyWnd;
	pFrame->Create(0,_T("吹泡泡"));
	pFrame->ShowWindow(m_nCmdShow);
	this->m_pMainWnd=pFrame;
	return TRUE;
}
//全局应用程序对象
CMyApp ThisApp;