【文件属性】：
文件名称：仿windows关机功能界面
文件大小：268KB
文件格式：RAR
更新时间：2013-10-19 06:28:53
关机重启
转载同事的测试例子，也许大家可以看看
// MyFade.cpp : implementation file
//
#include "stdafx.h"
#include "MyFade.h"
#pragma warning(disable: 4201)
#include
#pragma comment(lib,"winmm.lib")
#pragma warning(default: 4201)
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
#define WC_FADEWND _T("FadeWnd")
/////////////////////////////////////////////////////////////////////////////
// CMyFade
CMyFade::CMyFade(CWnd* pParent)
{
// register the window
WNDCLASS wndcls;
HINSTANCE hInst = AfxGetInstanceHandle();
if (!(::GetClassInfo(hInst, WC_FADEWND, &wndcls)))
{
// otherwise we need to register a new class
wndcls.style = CS_DBLCLKS | CS_HREDRAW | CS_VREDRAW;
wndcls.lpfnWndProc = ::DefWindowProc;
wndcls.cbClsExtra = 0;
wndcls.cbWndExtra = 0;
wndcls.hInstance = hInst;
wndcls.hIcon = NULL; // no application icon
wndcls.hCursor = AfxGetApp()->LoadStandardCursor(IDC_ARROW);
wndcls.hbrBackground = NULL; // no background
wndcls.lpszMenuName = NULL; // no manu application
wndcls.lpszClassName = WC_FADEWND;
if (!AfxRegisterClass(&wndcls))
AfxThrowResourceException();
}
m_hBitmap = NULL;
m_hNewBitmap = NULL;
m_pWndLock = NULL;
}
CMyFade::~CMyFade()
{
if (m_hBitmap) { DeleteObject(m_hBitmap); m_hBitmap = NULL; }
if (m_hNewBitmap) { DeleteObject(m_hNewBitmap); m_hNewBitmap = NULL; }
if (m_pWndLock)
{
m_pWndLock->SetFocus();
}
}
BEGIN_MESSAGE_MAP(CMyFade, CWnd)
//{{AFX_MSG_MAP(CMyFade)
ON_WM_PAINT()
ON_WM_TIMER()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CMyFade message handlers
void CMyFade::FadeScreen(CWnd *pParent)
{
if(pParent)
{
CMyFade *pFade=new CMyFade(pParent);
if(pFade)
{
pFade->Create(pParent, CRect(0, 0, 0, 0));
}
}
}
void CMyFade::OnDraw(CDC* pDC)
{
CRect rc;
GetWindowRect(rc);
HDC hbmDC=CreateCompatibleDC(pDC->GetSafeHdc());
HBITMAP hOldbmp=(HBITMAP)::SelectObject(hbmDC, m_hNewBitmap);
// 将屏幕位图再输入到屏幕上去
BitBlt(pDC->GetSafeHdc(), 0, 0, rc.Width(), rc.Height(),
hbmDC, 0, 0, SRCCOPY);
SelectObject(hbmDC, hOldbmp);
DeleteObject(hbmDC);
}
void CMyFade::OnPaint()
{
CPaintDC dc(this);
OnDraw(&dc);
}
HBITMAP CMyFade::CopyScreenToBitmap(LPRECT lpRect)
{
HDC hScrDC, hMemDC; // screen DC and memory DC
int nX, nY, nX2, nY2; // coordinates of rectangle to grab
int nWidth, nHeight; // DIB width and height
int xScrn, yScrn; // screen resolution
HGDIOBJ hOldBitmap, hBitmap;
if (IsRectEmpty(lpRect))
return NULL;
hScrDC = CreateDC("DISPLAY", NULL, NULL, NULL);
hMemDC = CreateCompatibleDC(hScrDC);
xScrn = GetDeviceCaps(hScrDC, HORZRES);
yScrn = GetDeviceCaps(hScrDC, VERTRES);
nX = lpRect->left;
nY = lpRect->top;
nX2 = lpRect->right;
nY2 = lpRect->bottom;
if (nX < 0) nX = 0;
if (nY < 0) nY = 0;
if (nX2 > xScrn) nX2 = xScrn;
if (nY2 > yScrn) nY2 = yScrn;
nWidth = nX2 - nX;
nHeight = nY2 - nY;
hBitmap = CreateCompatibleBitmap(hScrDC, nWidth, nHeight);
hOldBitmap = SelectObject(hMemDC, hBitmap);
// 将屏幕输入到内存DC里面去，再通过SelectObject到位图句柄里面
BitBlt(hMemDC, 0, 0, nWidth, nHeight, hScrDC, nX, nY, SRCCOPY);
// 将刚刚得到到的屏幕位图置换出句柄
hBitmap=SelectObject(hMemDC, hOldBitmap);
DeleteDC(hScrDC);
DeleteDC(hMemDC);
return (HBITMAP)hBitmap;
}
BOOL CMyFade::Create(CWnd *pParent, CRect rc)
{
if (!pParent || !IsWindow(pParent->GetSafeHwnd()))
{
MessageBox("error1");
return false;
}
CClientDC dcParent(pParent);
if (dcParent.GetDeviceCaps(RASTERCAPS) & RC_PALETTE)
{
MessageBox("error2");
return FALSE;
}
GetDesktopWindow()->GetWindowRect(rc);
CString szText;
GetDesktopWindow()->GetWindowText(szText);
if (!CWnd::CreateEx(
0,
WC_FADEWND,
szText,
WS_POPUP | WS_CHILD | WS_VISIBLE,
rc,
pParent,
NULL,
NULL))
{
MessageBox("error3");
return FALSE;
}
/*
if(pParent!=GetDesktopWindow())
{
m_pWndLock=pParent;
m_pWndLock->EnableWindow(false);
HRGN hRgn=CreateRectRgn(0, 0, 0, 0);
int regiontype=m_pWndLock->GetWindowRgn(hRgn);
if(regiontype!=ERROR)
{
MessageBox("error4");
SetWindowRgn(hRgn, false);
}
DeleteObject(hRgn);
}
*/
m_hBitmap = CopyScreenToBitmap(rc);
SetTimer(1, 2000, NULL);
}
//////////////////////////////////////////////////////////////////////////
// 核心函数，将屏幕变暗
HBITMAP CMyFade::FadeBitmap(HBITMAP hBmp, double dfTrans)
{
HBITMAP hRetBmp = NULL;
if (hBmp)
{
HDC hBufferDC = CreateCompatibleDC(NULL);
HGDIOBJ hPrevBufObject = SelectObject(hBufferDC, hBmp);
HDC hDirectDC = CreateCompatibleDC(NULL); // DC for working
if (hDirectDC)
{
BITMAP bm;
GetObject(hBmp, sizeof(bm), &bm);
BITMAPINFO bmInfo;
ZeroMemory(&bmInfo,sizeof(bmInfo));
bmInfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bmInfo.bmiHeader.biWidth = bm.bmWidth;
bmInfo.bmiHeader.biHeight = bm.bmHeight;
bmInfo.bmiHeader.biPlanes = 1;
bmInfo.bmiHeader.biBitCount = 32;
UINT* ptPixels;
HBITMAP hDirectBitmap = CreateDIBSection(hDirectDC,
(BITMAPINFO*)&bmInfo,
DIB_RGB_COLORS,(void**)&ptPixels, NULL, 0);
if (hDirectBitmap)
{
// 将hDirectBitmap放入hDirectDC中处理
HGDIOBJ hPrevBufDirObject = SelectObject(hDirectDC, hDirectBitmap);
// 当前将原hBmp即屏幕的所有像素写入到hDirectDC
// 即需要对像素灰度处理的DC中
BitBlt(hDirectDC,0,0,bm.bmWidth,bm.bmHeight,hBufferDC,0,0,SRCCOPY);
int iAlpha = (int)(255.0 * dfTrans / 100.0);
int nSize = bm.bmWidth * bm.bmHeight;
for (int i=0; i> 16;
int iSrcG = ptPixels[i] & 0x0000ff00 >> 8;
int iSrcB = ptPixels[i] & 0x000000ff;
int iGrey = (iSrcR * 54 + iSrcG * 182 + iSrcB * 19) >> 8;
COLORREF Col =iGrey ; //RGB(iGrey, iGrey, iGrey) ;
ptPixels[i] = RGB(
(GetBValue( Col ) * iAlpha + iSrcB * (255 - iAlpha)) >> 8,
(GetGValue( Col ) * iAlpha + iSrcG * (255 - iAlpha)) >> 8,
(GetRValue( Col ) * iAlpha + iSrcR * (255 - iAlpha)) >> 8 );
}
SelectObject(hDirectDC,hPrevBufDirObject);
hRetBmp = hDirectBitmap;
}
DeleteDC(hDirectDC);
}
SelectObject(hBufferDC, hPrevBufObject);
DeleteDC(hBufferDC);
}
return hRetBmp;
}
static i=0;
void CMyFade::OnTimer(UINT nIDEvent)
{
CWnd::OnTimer(nIDEvent);
CClientDC dc(this);
i+=2;
if(i>100)
{
KillTimer(1);
return;
}
DWORD dwStartCount = timeGetTime();
if(m_hNewBitmap)
{
DeleteObject(m_hNewBitmap);
m_hNewBitmap = NULL;
}
m_hNewBitmap = FadeBitmap(m_hBitmap,(double)i);
OnDraw(&dc);
DWORD dwEndCount = timeGetTime(); // tick counter in milliseconds
}
【文件预览】：
Resource.h
ShutDlg.cpp
CShut.dsw
res
----shut.bmp(3KB)
----reboot.bmp(4KB)
----CShut.rc2(397B)
----CShut.ico(1KB)
----Thumbs.db(9KB)
----wait.bmp(4KB)
CShut.rc
CShut.plg
ShutDlg.h
CShutDlg.cpp
CShut.h
StdAfx.cpp
CShut.aps
StdAfx.h
CShut.cpp
CShut.dsp
CShut.opt
MyFade.h
MyFade.cpp
Debug
----CShut.exe(128KB)
CShutDlg.h
CShut.ncb
ReadMe.txt
