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//####COPYRIGHTBEGIN####

//                                                                          

// ----------------------------------------------------------------------------

// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.

//

// This program is part of the eCos host tools.

//

// This program is free software; you can redistribute it and/or modify it 

// under the terms of the GNU General Public License as published by the Free 

// Software Foundation; either version 2 of the License, or (at your option) 

// any later version.

// 

// This program is distributed in the hope that it will be useful, but WITHOUT 

// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 

// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for 

// more details.

// 

// You should have received a copy of the GNU General Public License along with

// this program; if not, write to the Free Software Foundation, Inc., 

// 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

//

// ----------------------------------------------------------------------------

//                                                                          

//####COPYRIGHTEND####

// CG: This file was added by the Splash Screen component.

// Splash.cpp : implementation file

//

//

//===========================================================================

//===========================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):   sdf

// Contact(s):  sdf

// Date:                1998/08/11

// Version:             0.01

// Purpose:     

// Description: This is the implementation of the splash screen class.

// Requires:    

// Provides:    

// See also:    

// Known bugs:  

// Usage:       

//

//####DESCRIPTIONEND####

//

//===========================================================================

#include "stdafx.h"

#include "resource.h"

#include "Splash.h"

#ifdef _DEBUG

#define new DEBUG_NEW

#undef THIS_FILE

static char BASED_CODE THIS_FILE[] = __FILE__;

#endif

IMPLEMENT_DYNAMIC( CSplashWnd, CWnd )

/////////////////////////////////////////////////////////////////////////////

//   Splash Screen class

BOOL CSplashWnd::c_bShowSplashWnd;

CSplashWnd* CSplashWnd::c_pSplashWnd;

CSplashWnd::CSplashWnd()

{

}

CSplashWnd::~CSplashWnd()

{

        // Clear the static window pointer.

        ASSERT(c_pSplashWnd == this);

        c_pSplashWnd = NULL;

}

BEGIN_MESSAGE_MAP(CSplashWnd, CWnd)

        //{{AFX_MSG_MAP(CSplashWnd)

        ON_WM_CREATE()

        ON_WM_PAINT()

        ON_WM_TIMER()

        //}}AFX_MSG_MAP

END_MESSAGE_MAP()

void CSplashWnd::EnableSplashScreen(BOOL bEnable /*= TRUE*/)

{

        if(c_pSplashWnd != NULL && !bEnable){

                c_pSplashWnd->HideSplashScreen();

        }

        c_bShowSplashWnd = bEnable;

}

void CSplashWnd::ShowSplashScreen(CWnd* pParentWnd /*= NULL*/)

{

        if (!c_bShowSplashWnd || c_pSplashWnd != NULL)

                return;

        // Allocate a new splash screen, and create the window.

        c_pSplashWnd = new CSplashWnd;

        if (!c_pSplashWnd->Create(pParentWnd))

        {

                deleteZ(c_pSplashWnd);

        }

        else

                c_pSplashWnd->UpdateWindow();

}

BOOL CSplashWnd::PreTranslateAppMessage(MSG* pMsg)

{

        if (c_pSplashWnd == NULL)

                return FALSE;

        // If we get a keyboard or mouse message, hide the splash screen.

        if (pMsg->message == WM_KEYDOWN ||

            pMsg->message == WM_SYSKEYDOWN ||

            pMsg->message == WM_LBUTTONDOWN ||

            pMsg->message == WM_RBUTTONDOWN ||

            pMsg->message == WM_MBUTTONDOWN ||

            pMsg->message == WM_NCLBUTTONDOWN ||

            pMsg->message == WM_NCRBUTTONDOWN ||

            pMsg->message == WM_NCMBUTTONDOWN)

        {

                c_pSplashWnd->HideSplashScreen();

                return TRUE;    // message handled here

        }

        return FALSE;   // message not handled

}

BOOL CSplashWnd::Create(CWnd* pParentWnd /*= NULL*/)

{

        UINT image = IDB_SPLASH;

        if (!m_bitmap.LoadBitmap(image))

                return FALSE;

        BITMAP bm;

        m_bitmap.GetBitmap(&bm);

        BOOL rc=CreateEx(0,

                AfxRegisterWndClass(0, AfxGetApp()->LoadStandardCursor(IDC_ARROW)),

                NULL, WS_POPUP | WS_VISIBLE, 0, 0, bm.bmWidth, bm.bmHeight, pParentWnd->GetSafeHwnd(), NULL);

        m_hBitmap = LoadResourceBitmap(AfxGetInstanceHandle(),MAKEINTRESOURCE(image));

        m_pBitmap = CBitmap::FromHandle(m_hBitmap);

        return rc;

}

HBITMAP CSplashWnd::LoadResourceBitmap(HINSTANCE hInstance, LPCTSTR lpString)

{

    HGLOBAL hGlobal;

    HBITMAP hBitmapFinal = NULL;

    LPBITMAPINFOHEADER  lpbi;

    HDC hdc;

        CDC* dc;

    int iNumColors;

    HRSRC  hRsrc = FindResource(hInstance, lpString, RT_BITMAP);

    if (hRsrc)

       {

       hGlobal = LoadResource(hInstance, hRsrc);

       lpbi = (LPBITMAPINFOHEADER)LockResource(hGlobal);

           CreateDIBPalette ((LPBITMAPINFO)lpbi, &iNumColors);

           dc = GetDC();

       hdc = dc->GetSafeHdc();

       CPalette* oldpal = dc->SelectPalette(&Palette,FALSE);

           dc->RealizePalette();

       hBitmapFinal = CreateDIBitmap(hdc,

                   (LPBITMAPINFOHEADER)lpbi,

                   (LONG)CBM_INIT,

                   (LPSTR)lpbi + lpbi->biSize + iNumColors *

                                        sizeof(RGBQUAD),

                    (LPBITMAPINFO)lpbi,

                   DIB_RGB_COLORS );

       dc->SelectPalette(oldpal,FALSE);

           dc->RealizePalette();

       ReleaseDC( dc );

       UnlockResource(hGlobal);

       FreeResource(hGlobal);

       }

    return (hBitmapFinal);

}

void CSplashWnd::HideSplashScreen()

{

        // Destroy the window, and update the mainframe.

        DestroyWindow();

        CWnd *pWnd=AfxGetMainWnd();

        if(pWnd)

        {

                pWnd->UpdateWindow();

        }

}

void CSplashWnd::PostNcDestroy()

{

        // Free the C++ class.

        delete this;

}

int CSplashWnd::OnCreate(LPCREATESTRUCT lpCreateStruct)

{

        if (CWnd::OnCreate(lpCreateStruct) == -1)

                return -1;

        // Center the window.

        CenterWindow();

        // Set a timer to destroy the splash screen.

        SetTimer(1, 3000, NULL);

        return 0;

}

void CSplashWnd::OnPaint()

{

        CPaintDC dc(this);

        CDC dcImage;

        if (!dcImage.CreateCompatibleDC(&dc))

                return;

        BITMAP bm;

        m_bitmap.GetBitmap(&bm);

        // Paint the image.

        CBitmap* pOldBitmap = dcImage.SelectObject(&m_bitmap);

        dc.BitBlt(0, 0, bm.bmWidth, bm.bmHeight, &dcImage, 0, 0, SRCCOPY);

        dcImage.SelectObject(pOldBitmap);

        for(int i=0;i<bm.bmHeight;i++){

                COLORREF col=PALETTERGB(0,0,(255*i)/bm.bmHeight);

                CRect rect(0,i,bm.bmWidth,i+2);

                dcImage.FillSolidRect(&rect, col);

        }

        dc.BitBlt(0, 0, bm.bmWidth, bm.bmHeight, &dcImage, 0, 0, MERGEPAINT);

}

void CSplashWnd::OnTimer(UINT nIDEvent)

{

        // Destroy the splash screen window.

        HideSplashScreen();

        UNUSED_ALWAYS(nIDEvent);

}

void CSplashWnd::CreateDIBPalette (LPBITMAPINFO lpbmi, LPINT lpiNumColors)

{

   LPBITMAPINFOHEADER   lpbi;

   LPLOGPALETTE                 lpPal;

   HANDLE                               hLogPal;

   int                                  i;

   lpbi = (LPBITMAPINFOHEADER)lpbmi;

   if (lpbi->biBitCount <= 8)

       *lpiNumColors = (1 << lpbi->biBitCount);

   else

       *lpiNumColors = 0;  // No palette needed for 24 BPP DIB

   if (*lpiNumColors)

      {

      hLogPal = GlobalAlloc (GHND, sizeof (LOGPALETTE) +

                             sizeof (PALETTEENTRY) * (*lpiNumColors));

      lpPal = (LPLOGPALETTE) GlobalLock (hLogPal);

      lpPal->palVersion    = 0x300;

      lpPal->palNumEntries = (unsigned short)*lpiNumColors;

      for (i = 0;  i < *lpiNumColors;  i++)

         {

         lpPal->palPalEntry[i].peRed   = lpbmi->bmiColors[i].rgbRed;

         lpPal->palPalEntry[i].peGreen = lpbmi->bmiColors[i].rgbGreen;

         lpPal->palPalEntry[i].peBlue  = lpbmi->bmiColors[i].rgbBlue;

         lpPal->palPalEntry[i].peFlags = 0;

         }

      Palette.CreatePalette(lpPal);

          GlobalUnlock (hLogPal);

      GlobalFree   (hLogPal);

   }

   return ;

}