labeldlg.cpp

这是本人利用VC编写的

// LabelDlg.cpp : implementation file
//

#include "stdafx.h"
#include "彩票.h"
#include "LabelDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CLabelDlg dialog


CLabelDlg::CLabelDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CLabelDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CLabelDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
}


void CLabelDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CLabelDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CLabelDlg, CDialog)
	//{{AFX_MSG_MAP(CLabelDlg)
	ON_WM_PAINT()
	ON_WM_CREATE()
	ON_WM_LBUTTONDOWN()
	ON_WM_TIMER()
	ON_WM_CLOSE()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CLabelDlg message handlers

BOOL CLabelDlg::OnInitDialog() 
{
	CDialog::OnInitDialog();
	
	// TODO: Add extra initialization here
	CWindowDC dc(this);
	CDC memDC;
	CBitmap bmp;

	bmp.LoadBitmap(IDB_STAMP);

	BITMAP bmpInfo;
	bmp.GetBitmap(&bmpInfo);
	int iWidth = bmpInfo.bmWidth;
	int iHeight = bmpInfo.bmHeight;
	CRect rect;

	GetWindowRect(&rect);

	memDC.CreateCompatibleDC(&dc);
	memDC.SelectObject(&bmp);

	CRgn	wndRgn, rgnTemp;
	wndRgn.CreateRectRgn(0,0,iWidth,iHeight);
	::SetBkMode(dc.m_hDC, TRANSPARENT);	
	COLORREF col = memDC.GetPixel(0,0);
	for(int i = 0 ; i < iWidth; i ++)
		for(int j = 0; j < iHeight; j ++)
		{
			COLORREF  colTemp = memDC.GetPixel(i,j);
			if(colTemp == col)
			{
				rgnTemp.CreateRectRgn(i,j,i+1,j+1);
				wndRgn.CombineRgn(&wndRgn,&rgnTemp,RGN_XOR);
				rgnTemp.DeleteObject();
			}
		}
	
	SetWindowRgn((HRGN)wndRgn, TRUE);
	memDC.DeleteDC();
//	MoveWindow(rect.left,rect.top,rect.left + iWidth,rect.top + iHeight);
	MoveWindow(0,0,iWidth,iHeight);
	CenterWindow();
	SetWindowText("阿皮小精灵");
	SetTimer(1,1,NULL);
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CLabelDlg::PostNcDestroy() 
{
	// TODO: Add your specialized code here and/or call the base class
	delete this;
 	CDialog::PostNcDestroy();
 	
}

void CLabelDlg::OnPaint() 
{
	CPaintDC dc(this); // device context for painting
	
	// TODO: Add your message handler code here
	CBitmap bmp;

	bmp.LoadBitmap(IDB_STAMP);

	BITMAP bmpInfo;
	bmp.GetBitmap(&bmpInfo);
	int iWidth = bmpInfo.bmWidth;
	int iHeight = bmpInfo.bmHeight;

	CDC memDC;
	memDC.CreateCompatibleDC(&dc);
	memDC.SelectObject(&bmp);

	dc.BitBlt(0,0,iWidth,iHeight,&memDC,0,0,SRCCOPY);

	// Do not call CDialog::OnPaint() for painting messages
}


int CLabelDlg::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CDialog::OnCreate(lpCreateStruct) == -1)
		return -1;

	return 0;
}



void CLabelDlg::OnLButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	SendMessage(WM_SYSCOMMAND, SC_MOVE|HTCLIENT, 0); 

	CDialog::OnLButtonDown(nFlags, point);
}



void CLabelDlg::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default

	if(nIDEvent == 1)
	{
		int iFullWidth = GetSystemMetrics(SM_CXFULLSCREEN);
		int iFullHeigth = GetSystemMetrics( SM_CYFULLSCREEN);
		//	time tTime = CTime::getCurrentTime;
		CTime tCur = CTime::GetCurrentTime();
		srand(tCur.GetTime());
		srand(rand());
		srand(rand());
		srand(rand());
		srand(rand());
		//随机抽取坐标
		int iXPos = rand() % iFullWidth;
		int iYPos = rand() % iFullHeigth;
	
		CRect rect;
		GetWindowRect(&rect);
	
		rect.right = iXPos + rect.Width();
		rect.bottom = iYPos + rect.Height();
		rect.left = iXPos;
		rect.top = iYPos;
		MoveWindow(&rect);

	}
	CDialog::OnTimer(nIDEvent);
}

void CLabelDlg::OnClose() 
{
	// TODO: Add your message handler code here and/or call default
	KillTimer(1);
	CDialog::OnClose();
}