Symbian

开发平台：
C/C++

mwinsurf.cpp：源码内容
							/* ***** BEGIN LICENSE BLOCK ***** 
 * Version: RCSL 1.0/RPSL 1.0 
 *  
 * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved. 
 *      
 * The contents of this file, and the files included with this file, are 
 * subject to the current version of the RealNetworks Public Source License 
 * Version 1.0 (the "RPSL") available at 
 * http://www.helixcommunity.org/content/rpsl unless you have licensed 
 * the file under the RealNetworks Community Source License Version 1.0 
 * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl, 
 * in which case the RCSL will apply. You may also obtain the license terms 
 * directly from RealNetworks.  You may not use this file except in 
 * compliance with the RPSL or, if you have a valid RCSL with RealNetworks 
 * applicable to this file, the RCSL.  Please see the applicable RPSL or 
 * RCSL for the rights, obligations and limitations governing use of the 
 * contents of the file.  
 *  
 * This file is part of the Helix DNA Technology. RealNetworks is the 
 * developer of the Original Code and owns the copyrights in the portions 
 * it created. 
 *  
 * This file, and the files included with this file, is distributed and made 
 * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
 * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS 
 * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
 * 
 * Technology Compatibility Kit Test Suite(s) Location: 
 *    http://www.helixcommunity.org/content/tck 
 * 
 * Contributor(s): 
 *  
 * ***** END LICENSE BLOCK ***** */ 
#include "minisite.h"
#include "hxvsurf.h"
#include "winblt.h"
#include "minisurf.h"
#include "mwinsurf.h"
#include "bltobjfact.h"
#define GET_OS_WINDOW() (HWND)(m_pSite->GetWindow()->window)
CMiniWinSurface::CMiniWinSurface(IUnknown* pContext, CMiniBaseSite* pSite)
 :  CMiniBaseSurface(pContext, pSite)
 ,  m_pBlt(NULL)
{
}
CMiniWinSurface::~CMiniWinSurface()
{
    _DestroyDestBuffer(0);
}
HX_RESULT CMiniWinSurface::_CreateDestBuffer(int cidIn,
                                             int nWidth, int nHeight,
                                             int& nCount)
{
    HX_RESULT hr = HXR_FAIL;
    int cidOut;
    int nCountIn = nCount;
    if (!m_pBlt)
    {
        m_pBlt = CreateBltObject();
        if (!m_pBlt)
        {
            return HXR_OUTOFMEMORY;
        }
    }
    hr =  m_pBlt->CreateSurface(cidIn, cidOut,
                                nWidth,nHeight,
                                0, GET_OS_WINDOW(),
                                nCountIn, nCount);
    return hr;
}
  
HX_RESULT CMiniWinSurface::_LockDestBuffer(UCHAR** ppDestPtr,
                                           LONG32* pnDestPitch,
                                           int& cid,
                                           REF(HXxSize) srcSize,
                                           int nIndex)
{   
    return m_pBlt->LockSurface(ppDestPtr, pnDestPitch,
                               cid, srcSize, nIndex);
}
HX_RESULT CMiniWinSurface::_TransferToDestBuffer(UCHAR* pSrcBuffer,
                                                 HXBitmapInfoHeader* pBitmapInfo,
                                                 HXxRect* prSrcRect,
                                                 HXxRect* prDstRect,
                                                 UCHAR* pDstBuffer,
                                                 LONG32 nDstPitch)
{
    HXxSize rSrcSize = {pBitmapInfo->biWidth, pBitmapInfo->biHeight};
    HX_RESULT hr = 
    m_pBlt->FillSurface(m_nSrcCID,
                        pSrcBuffer, &rSrcSize,
                        prSrcRect,                                                                          
                        pDstBuffer, nDstPitch,
                        prDstRect);
    if (FAILED(hr))
    {
    return CMiniBaseSurface::_TransferToDestBuffer(pSrcBuffer,
                                                   pBitmapInfo,
                                                   prSrcRect,
                                                   prDstRect,
                                                   pDstBuffer,
                                                   nDstPitch);
    }
    return hr;
}
HX_RESULT CMiniWinSurface::_UnlockDestBuffer(UCHAR* pSurfPtr, int nIndex)
{
    return m_pBlt->UnlockSurface(pSurfPtr, nIndex);
}
HX_RESULT CMiniWinSurface::_RenderDestBuffer(HXxRect* prSrcRect,
                                             HXxRect* prDstRect,
                                             int nIndex)
{
    return m_pBlt->RenderSurface(&m_dstBufSize,
                                 prSrcRect,
                                 prDstRect,
                                 nIndex);
}
HX_RESULT CMiniWinSurface::_DestroyDestBuffer(int cid, int nCount)
{
    HX_RESULT hr = HXR_OK;
    
    if (m_pBlt)
    {
        m_pBlt->DestroySurface(cid);
        DestroyBltObject(m_pBlt);
        m_pBlt = NULL;
    }
    return hr;
}
int CMiniWinSurface::GetDstCID(int nIndex)
{
    return (m_pBlt ? m_pBlt->GetCID(nIndex) : CID_UNKNOWN);
}
BOOL CMiniWinSurface::ScaleDuringRender(int nCID)
{
    if (m_pBlt)
        return m_pBlt->HasHardwareScaling(nCID);
    else
        return CMiniBaseSurface::ScaleDuringRender(nCID);
}
void CMiniWinSurface::_KeepScreenAlive()
{
#ifdef WINCE
    SystemIdleTimerReset(); 
#endif
}

						