splashscreen.cpp

Visual C++_ 600 编程学习捷径

// SplashScreen.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "SplashScreen.h"

#include "MainFrm.h"
#include "SplashScreenDoc.h"
#include "SplashScreenView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CSplashScreenApp

BEGIN_MESSAGE_MAP(CSplashScreenApp, CWinApp)
	//{{AFX_MSG_MAP(CSplashScreenApp)
	ON_COMMAND(ID_APP_ABOUT, OnAppAbout)
		// 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 file based document commands
	ON_COMMAND(ID_FILE_NEW, CWinApp::OnFileNew)
	ON_COMMAND(ID_FILE_OPEN, CWinApp::OnFileOpen)
	// Standard print setup command
	ON_COMMAND(ID_FILE_PRINT_SETUP, CWinApp::OnFilePrintSetup)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CSplashScreenApp construction

CSplashScreenApp::CSplashScreenApp()
{
	// TODO: add construction code here,
	// Place all significant initialization in InitInstance
}

/////////////////////////////////////////////////////////////////////////////
// The one and only CSplashScreenApp object

CSplashScreenApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CSplashScreenApp initialization

BOOL CSplashScreenApp::InitInstance()
{
	AfxEnableControlContainer();

	// Standard initialization
	// If you are not using these features and wish to reduce the size
	//  of your final executable, you should remove from the following
	//  the specific initialization routines you do not need.

#ifdef _AFXDLL
	Enable3dControls();			// Call this when using MFC in a shared DLL
#else
	Enable3dControlsStatic();	// Call this when linking to MFC statically
#endif

	// Change the registry key under which our settings are stored.
	// TODO: You should modify this string to be something appropriate
	// such as the name of your company or organization.
	SetRegistryKey(_T("Local AppWizard-Generated Applications"));

	//添加DDB显示代码如下
	HDC hdc = GetDC(NULL); //获取屏幕设备描述表句柄
	CDC *pdc = CDC::FromHandle(hdc);

	//获取屏幕的宽度和高度
	int sx = GetSystemMetrics(SM_CXSCREEN);
	int sy = GetSystemMetrics(SM_CYSCREEN);

	CRect rt;
	rt.SetRect(0, 0, sx, sy);
	CBrush br;
	br.CreateSolidBrush(RGB(255, 255, 255));
	pdc->FillRect(&rt, &br);//用白色画刷填充屏幕
	br.DeleteObject();

	CBitmap *pBitmap = new CBitmap();//创建一个位图对象
	CBitmap * OldBmp;
	BITMAP Bitmap;
	CDC dc;
	
	if(pBitmap)
	{				
		//从资源中加载位图
		pBitmap->LoadBitmap(IDB_CLOUDS);
		//创建一个和屏幕DC相兼容的内存DC
		dc.CreateCompatibleDC(pdc);
		//将位图对象选入内存DC
		OldBmp = dc.SelectObject(pBitmap);
		//获取位图信息
		pBitmap->GetObject(sizeof(Bitmap), &Bitmap);
		//全屏显示位图图像
		pdc->StretchBlt(0, 0, rt.Width(), rt.Height(), &dc, 0, 0,
					 Bitmap.bmWidth, Bitmap.bmHeight, SRCCOPY);

		dc.SelectObject(OldBmp);//恢复内存DC的原有位图对象
		dc.DeleteDC(); //删除内存DC对象
		pBitmap->DeleteObject();//删除位图对象
		delete pBitmap;
	} 
	ReleaseDC(NULL, hdc);//释放屏幕DC
	Sleep(2000);

	LoadStdProfileSettings();  // Load standard INI file options (including MRU)

	// Register the application's document templates.  Document templates
	//  serve as the connection between documents, frame windows and views.

	CSingleDocTemplate* pDocTemplate;
	pDocTemplate = new CSingleDocTemplate(
		IDR_MAINFRAME,
		RUNTIME_CLASS(CSplashScreenDoc),
		RUNTIME_CLASS(CMainFrame),       // main SDI frame window
		RUNTIME_CLASS(CSplashScreenView));
	AddDocTemplate(pDocTemplate);

	// Parse command line for standard shell commands, DDE, file open
	CCommandLineInfo cmdInfo;
	ParseCommandLine(cmdInfo);

	// Dispatch commands specified on the command line
	if (!ProcessShellCommand(cmdInfo))
		return FALSE;

	// The one and only window has been initialized, so show and update it.
	m_pMainWnd->ShowWindow(SW_SHOWMAXIMIZED);
	m_pMainWnd->UpdateWindow();

	return TRUE;
}


/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
		// No message handlers
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

// App command to run the dialog
void CSplashScreenApp::OnAppAbout()
{
	CAboutDlg aboutDlg;
	aboutDlg.DoModal();
}

/////////////////////////////////////////////////////////////////////////////
// CSplashScreenApp message handlers