Graph program

Development Platform:

Visual C++

SplashWnd.cpp：Code Content

							// SplashWnd.cpp : implementation file
//
#include "stdafx.h"
#include "resource.h"
//#include "Capturer.h"
#include "SplashWnd.h"
#define SPLASHRC	IDB_SPLASH
#define ALPHARC		IDB_ALPHA
// CSplashWnd
IMPLEMENT_DYNAMIC(CSplashWnd, CWnd)
CSplashWnd::CSplashWnd()
{
	InitClass();
	strWndCls = AfxRegisterWndClass(CS_VREDRAW | CS_HREDRAW | CS_DBLCLKS, ::LoadCursor(NULL, IDC_ARROW), NULL, NULL);
	CreateEx(0, strWndCls, "SolidGraph CAD", WS_POPUP, Xoffset, Yoffset, dSplashSizeX, dSplashSizeY, NULL, NULL);
}
CSplashWnd::~CSplashWnd()
{
	::InvalidateRect(::GetDesktopWindow(), CRect(Xoffset,Yoffset,Xoffset + dSplashSizeX, Yoffset + dSplashSizeY) , FALSE);
}
BEGIN_MESSAGE_MAP(CSplashWnd, CWnd)
	ON_WM_PAINT()
END_MESSAGE_MAP()
// CSplashWnd message handlers
void CSplashWnd::InitClass(void)
{
	BITMAP SplashInfo;
	SplashBitmap.LoadBitmap(SPLASHRC);
	SplashBitmap.GetBitmap(&SplashInfo);
	dSplashSizeX = SplashInfo.bmWidth;
	dSplashSizeY = SplashInfo.bmHeight;
	DesktopSizeX = ::GetSystemMetrics(SM_CXSCREEN);
	DesktopSizeY = ::GetSystemMetrics(SM_CYSCREEN);
	Xoffset = (DesktopSizeX - dSplashSizeX) / 2;
	Yoffset = (DesktopSizeY - dSplashSizeY) / 2;
}
static void DrawBitmap(const CBitmap *bitmap, const CDC *pDC, const CPoint &point)
{
	BITMAP bm; ((CBitmap*)bitmap)->GetBitmap(&bm);
	int w = bm.bmWidth; 
	int h = bm.bmHeight;
	CDC memDC; memDC.CreateCompatibleDC((CDC*)pDC);
	CBitmap *pBmp = memDC.SelectObject((CBitmap*)bitmap);
	((CDC*)pDC)->BitBlt(point.x, point.y, w, h, &memDC, 0, 0, SRCCOPY);
	memDC.SelectObject(pBmp);
}
void CSplashWnd::OnPaint()
{
	CPaintDC dc(this);
	DrawBitmap(&SplashBitmap,&dc,CPoint(0,0));
}

						