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// GWExtTransSplashWnd.cpp: implementation of the GWExtTransSplashWnd class.
//
//////////////////////////////////////////////////////////////////////
//*******************************************************************************
// 版权声明
// ------------------------------------------------------------------------------
// 此段代码是AppBuilder扩展类库GWC的一部分.
// 你可以使用、重新编译、或者编译成你的发行软件的一部分。
// 但是在没有经过我们书面同意的情况下，你不能直接发行此代码文件.
//-------------------------------------------------------------------------------
// 版权所有.
// 作者:张修勇
// 拷贝日期:2000年10月05日
//-------------------------------------------------------------------------------
// 主页: http://www.ucancode.com
// 技术支持E-Mail: AppBuilder@hotmail.com
//*******************************************************************************
#include "stdafx.h"
#include "GWExtDIBSectionLite.h"
#include "GWExtTransSplashWnd.h"
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////
// GWExtTransSplashWnd
GWExtTransSplashWnd::GWExtTransSplashWnd(UINT nBitmapID, BOOL bUseColor,COLORREF cr,UINT nDuration)
{
m_nBitmapID = nBitmapID;
m_nDuration = nDuration;
m_be = FALSE;
bUseColor = bUseColor;
crTransColor = cr;
}
BEGIN_MESSAGE_MAP(GWExtTransSplashWnd, CWnd)
//{{AFX_MSG_MAP(GWExtTransSplashWnd)
ON_WM_PAINT()
ON_WM_TIMER()
ON_WM_CREATE()
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
BOOL GWExtTransSplashWnd::Create()
{
if( !GetBitmapAndPalette(m_nBitmapID, m_bitmap, m_pal) )
{
TRACE1( "Could not load bitmap resource - %d\n", m_nBitmapID );
return FALSE;
}
BITMAP bm;
m_bitmap.GetObject(sizeof(BITMAP), &bm);
// First create an invisible window
m_wndInvisible.CreateEx(WS_EX_TOPMOST,
AfxRegisterWndClass(CS_CLASSDC),
_T(""), WS_POPUP, 0, 0,
bm.bmWidth, bm.bmHeight, NULL, NULL);
// Create the the splash window with invisible parent as parent
BOOL bRetVal = CWnd::CreateEx(WS_EX_TOPMOST,
AfxRegisterWndClass(CS_CLASSDC),
_T(""), WS_POPUP, 0, 0,
bm.bmWidth, bm.bmHeight, m_wndInvisible.m_hWnd, NULL);
CenterWindow();
ShowWindow(SW_SHOW);
UpdateWindow();
//Create the timer.
m_nTimerID = SetTimer(1, m_nDuration, NULL);
ASSERT(m_nTimerID);
if (m_be)
SetTimer(m_nTimerID, 5000, NULL);
return bRetVal;
}
BOOL GWExtTransSplashWnd::GetBitmapAndPalette(UINT nIDResource, CBitmap &bitmap, CPalette &pal)
{
LPCTSTR lpszResourceName = (LPCTSTR)nIDResource;
HBITMAP hBmp = (HBITMAP)::LoadImage( AfxGetInstanceHandle(),
lpszResourceName, IMAGE_BITMAP, 0,0, LR_CREATEDIBSECTION );
if( hBmp == NULL )
return FALSE;
bitmap.Attach( hBmp );
// Create a logical palette for the bitmap
DIBSECTION ds;
BITMAPINFOHEADER &bmInfo = ds.dsBmih;
bitmap.GetObject( sizeof(ds), &ds );
int nColors = bmInfo.biClrUsed ? bmInfo.biClrUsed : 1 << bmInfo.biBitCount;
// Create a halftone palette if colors > 256.
CClientDC dc(NULL); // Desktop DC
if( nColors > 256 )
pal.CreateHalftonePalette( &dc );
else
{
// Create the palette
RGBQUAD *pRGB = new RGBQUAD[nColors];
CDC memDC;
memDC.CreateCompatibleDC(&dc);
memDC.SelectObject( &bitmap );
::GetDIBColorTable( memDC, 0, nColors, pRGB );
UINT nSize = sizeof(LOGPALETTE) + (sizeof(PALETTEENTRY) * nColors);
LOGPALETTE *pLP = (LOGPALETTE *) new BYTE[nSize];
pLP->palVersion = 0x300;
pLP->palNumEntries = nColors;
for( int i=0; i < nColors; i++)
{
pLP->palPalEntry[i].peRed = pRGB[i].rgbRed;
pLP->palPalEntry[i].peGreen = pRGB[i].rgbGreen;
pLP->palPalEntry[i].peBlue = pRGB[i].rgbBlue;
pLP->palPalEntry[i].peFlags = 0;
}
pal.CreatePalette( pLP );
delete[] pLP;
delete[] pRGB;
}
return TRUE;
}
void GWExtTransSplashWnd::OnPaint()
{
CPaintDC dc(this); // device context for painting
// Create a memory DC compatible with the paint DC
CDC memDC;
memDC.CreateCompatibleDC( &dc );
CBitmap *pBmpOld = memDC.SelectObject( &m_bitmap );
// Select and realize the palette
if( dc.GetDeviceCaps(RASTERCAPS) & RC_PALETTE && m_pal.m_hObject != NULL )
{
dc.SelectPalette( &m_pal, FALSE );
dc.RealizePalette();
}
// Window is same size as bitmap
CRect rcWnd;
GetWindowRect( &rcWnd );
dc.BitBlt(0, 0, rcWnd.Width(), rcWnd.Height(), &memDC, 0, 0,SRCCOPY);
//You can add your control code here.
memDC.SelectObject( pBmpOld );
// Do not call CWnd::OnPaint() for painting messages
}
void GWExtTransSplashWnd::OnTimer(UINT nIDEvent)
{
if (m_nTimerID == nIDEvent)
{
//Destroy the timer and splash window
KillTimer(m_nTimerID);
m_wndInvisible.DestroyWindow();
delete this;
return;
}
CWnd::OnTimer(nIDEvent);
}
BOOL GWExtTransSplashWnd::PreTranslateMessage(MSG* pMsg)
{
ASSERT(pMsg != NULL);
if (pMsg->message == WM_KEYDOWN ||
pMsg->message == WM_SYSKEYDOWN ||
pMsg->message == WM_LBUTTONDOWN ||
pMsg->message == WM_RBUTTONDOWN ||
pMsg->message == WM_MBUTTONDOWN )
{
//Destroy the timer and splash window
// KillTimer(m_nTimerID);
// m_wndInvisible.DestroyWindow();
// delete this;
// return 1;
}
return CWnd::PreTranslateMessage(pMsg);
}
int GWExtTransSplashWnd::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
if (CWnd::OnCreate(lpCreateStruct) == -1)
return -1;
//
// Set the region.
//
CBitmap bmp;
bmp.LoadBitmap(m_nBitmapID);
CPoint pt(0,0);
if(bUseColor)
{
HRGN hRgn = CreateRegionByColor(bmp, crTransColor);
SetWindowRgn(hRgn, TRUE);
}
else
{
HRGN hRgn = CreateRegion(bmp, &pt);
SetWindowRgn(hRgn, TRUE);
}
return 0;
}
HRGN GWExtTransSplashWnd::CreateRegion(HBITMAP hBmp, LPPOINT pPoint)
{
pPoint;
GWExtDIBSectionLite bmp;
bmp.SetBitmap(hBmp);
HRGN mainRgn;
mainRgn = NULL;
HRGN tmpRgn;
COLORREF tc;
tc = RGB(0,0,0);
int x, y, l = 0;
BOOL bFirstTime = TRUE;
BOOL bEndofLine = FALSE;
CDC *pMemDC = bmp.GetMemoryDC();
// Scan the bitmap pixel by pixel looking for transparencies
// and then creating a region by ORing the transparencies to remove them
for(y = 0; y < bmp.GetHeight(); y++)
{
for(x = 0; x <= bmp.GetWidth(); x++)
{
//If we are in the top left corner
//get the colour of this pixel
//This will be used as our transparency color
if ((x == 0 || y == 0))
tc = pMemDC->GetPixel(0,0);
//If this pixel is the same color as our tansparency
// or we are on the right hand side of the image
if((pMemDC->GetPixel(x, y) == tc) || (x == bmp.GetWidth()))
{
//If this boolean value is true
if(bEndofLine)
{
bEndofLine = FALSE;
//Create a region which is as big as our image so far
tmpRgn = CreateRectRgn(l, y, x, y+1);
//If this is the first time round
if(bFirstTime)
{
mainRgn = tmpRgn;
bFirstTime = FALSE;
}
else
CombineRgn(mainRgn, mainRgn, tmpRgn, RGN_OR);
}
}
else
{
if(!bEndofLine)
{
bEndofLine = TRUE;
l = x;
}
}
}
}
return mainRgn;
}
HRGN GWExtTransSplashWnd::CreateRegionByColor(HBITMAP hBmp, COLORREF color)
{
GWExtDIBSectionLite bmp;
bmp.SetBitmap(hBmp);
HRGN mainRgn;
mainRgn = NULL;
HRGN tmpRgn;
COLORREF tc;
tc = color;
int x, y, l = 0;
BOOL bFirstTime = TRUE;
BOOL bEndofLine = FALSE;
CDC *pMemDC = bmp.GetMemoryDC();
// Scan the bitmap pixel by pixel looking for transparencies
// and then creating a region by ORing the transparencies to remove them
for(y = 0; y < bmp.GetHeight(); y++)
{
for(x = 0; x <= bmp.GetWidth(); x++)
{
//If we are in the top left corner
//get the colour of this pixel
//This will be used as our transparency color
// if ((x == 0 || y == 0))
// tc = pMemDC->GetPixel(0,0);
//If this pixel is the same color as our tansparency
// or we are on the right hand side of the image
if((pMemDC->GetPixel(x, y) == tc) || (x == bmp.GetWidth()))
{
//If this boolean value is true
if(bEndofLine)
{
bEndofLine = FALSE;
//Create a region which is as big as our image so far
tmpRgn = CreateRectRgn(l, y, x, y+1);
//If this is the first time round
if(bFirstTime)
{
mainRgn = tmpRgn;
bFirstTime = FALSE;
}
else
CombineRgn(mainRgn, mainRgn, tmpRgn, RGN_OR);
}
}
else
{
if(!bEndofLine)
{
bEndofLine = TRUE;
l = x;
}
}
}
}
return mainRgn;
}