miniopenwavesurf.cpp
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上传日期:2013-07-19
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Symbian
开发平台:
Visual C++
- /* ***** BEGIN LICENSE BLOCK *****
- * Source last modified: $Id: miniopenwavesurf.cpp,v 1.7.12.1 2004/07/09 01:59:07 hubbe Exp $
- *
- * Portions Copyright (c) 1995-2004 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 (the "RPSL") available at
- * http://www.helixcommunity.org/content/rpsl unless you have licensed
- * the file under the current version of the RealNetworks Community
- * Source License (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.
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL") in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your version of
- * this file only under the terms of the GPL, and not to allow others
- * to use your version of this file under the terms of either the RPSL
- * or RCSL, indicate your decision by deleting the provisions above
- * and replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient may
- * use your version of this file under the terms of any one of the
- * RPSL, the RCSL or the GPL.
- *
- * 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 "ciddefs.h"
- #include "miniopenwavesurf.h"
- #include "miniopenwavesite.h"
- #include "opwindow.h"
- CMiniOpenwaveSurface::CMiniOpenwaveSurface(IUnknown* pContext, CMiniBaseSite* pSite)
- : CMiniBaseSurface(pContext, pSite)
- , m_nCompositionSize(0)
- , m_nCompositionPitch(0)
- , m_pCompositionSurface(NULL)
- , m_ulTotalFramesBlted(0)
- , m_cidIn(-1)
- , m_cidOut(-1)
- {
- }
- CMiniOpenwaveSurface::~CMiniOpenwaveSurface()
- {
- HX_FREE(m_pCompositionSurface);
- m_nCompositionSize = 0;
- m_nCompositionPitch = 0;
- memset(&m_surfaceSize, 0, sizeof( m_surfaceSize ) );
- }
- HX_RESULT CMiniOpenwaveSurface::_CreateDestBuffer( int cidIn,
- int nWidth,
- int nHeight,
- int& nCount)
- {
- HX_RESULT res = HXR_OK;
- HX_ASSERT( m_pSite );
- //For now, we only support RGB32
- HX_ASSERT( cidIn == CID_I420 );
- m_cidIn = cidIn;
- m_cidOut = CID_RGB565;
- int sc, sw, sh;
- COpWindow *pOpWin = ((CHXOpenwaveSite*)m_pSite)->GetOpWindow();
- /// color info has to be converted to something both sides understand
- /// for now it is hard coded
- pOpWin->GetScreenInfo(sc, sw, sh);
- ((CHXOpenwaveSite*)m_pSite)->_SetScreenSize(sw, sh);
- /// if the site's default size is bigger than the image
- /// then make site fit the image instead of scaling the
- /// image to fit the site
- if (nWidth < sw)
- {
- sw = nWidth;
- }
- if (nHeight < sh)
- {
- sh = nHeight;
- }
- HXxSize newScreenSize = {sw, sh};
- /// since we are sue sw <= nWidth and sh <= nHeight
- /// now let us do the scaling down to preserve the proportion of
- /// original image, nWidth:nHeight
- float hr = (float)sh/(float)nHeight;
- float wr = (float)sw/(float)nWidth;
- if (hr < 1.0 && wr < 1.0)
- {
- if (hr < wr)
- {
- newScreenSize.cx = sh*nWidth/nHeight;
- newScreenSize.cy = sh;
- }
- else
- {
- newScreenSize.cx = sw;
- newScreenSize.cy = sw*nHeight/nWidth;
- }
- }
- /// color info has to be converted to something both sides understand
- /// for now it is hard coded
- pOpWin->SetImageInfo(m_cidOut, newScreenSize.cx, newScreenSize.cy);
- m_pSite->SetSize(newScreenSize);
- //Get the size of this site.
- m_pSite->GetSize(m_surfaceSize);
- //Malloc the room to hold the actual bits.
- HXBitmapInfo bmiTemp;
- m_pImageHelper->MakeBitmap( &bmiTemp,
- sizeof(bmiTemp),
- m_cidOut,
- m_surfaceSize.cx,
- m_surfaceSize.cy,
- NULL,
- 0);
- m_nCompositionPitch = m_pImageHelper->GetBitmapPitch(&bmiTemp);
- int imageSize = bmiTemp.bmiHeader.biSizeImage;
- _ResizeVideoBuffer(imageSize);
- HX_ASSERT( m_pImageHelper->GetBitmapColor(&bmiTemp) == m_cidOut );
- return res;
- }
- HX_RESULT CMiniOpenwaveSurface::_ResizeVideoBuffer( INT32 nSize)
- {
- HX_RESULT retVal=HXR_OK;
- //XXXgfw. Trade off here. We can use lots of mem if we just return and
- //the user has scaled the image up very much and then goes back down.
- //If we don't just return we can do tons and tons of mallocs. Maybe we
- //should add a timed callback to reclaim some of this mem after a few
- //seconds.
- if(nSize <= (INT32)m_nCompositionSize)
- return retVal;
- if(m_pCompositionSurface == NULL)
- {
- m_pCompositionSurface = (UCHAR*) malloc(nSize);
- }
- else
- {
- m_pCompositionSurface = (UCHAR*) realloc(m_pCompositionSurface, nSize);
- }
- if( m_pCompositionSurface )
- {
- m_nCompositionSize = nSize;
- }
- else
- {
- HX_ASSERT("We can't alloc the composition surface." == NULL );
- m_nCompositionSize = 0;
- }
- return retVal;
- }
- HX_RESULT CMiniOpenwaveSurface::_LockDestBuffer( UCHAR** ppDestPtr,
- LONG32* pnDestPitch,
- int& cid,
- REF(HXxSize) srcSize,
- int nIndex)
- {
- HX_RESULT res = HXR_OK;
- *ppDestPtr = m_pCompositionSurface;
- *pnDestPitch = m_nCompositionPitch;
- cid = m_cidOut;
- return res;
- }
- HX_RESULT CMiniOpenwaveSurface::_TransferToDestBuffer( UCHAR* pSrcBuffer,
- HXBitmapInfoHeader* pBitmapInfo,
- HXxRect* prSrcRect,
- HXxRect* prDstRect,
- UCHAR* pDstBuffer,
- LONG32 nDstPitch)
- {
- HX_RESULT res = HXR_OK;
- //XXXGfw when we really have a buffer to color convert to we
- //can uncomment this....
- BOOL bTransfer = FALSE;
- UCHAR* pOutBuffer = pSrcBuffer;
- if ((prSrcRect != prDstRect) || (m_cidIn != m_cidOut))
- {
- bTransfer = TRUE;
- }
- // First do the transfer if it needed
- if (bTransfer)
- {
- res = CMiniBaseSurface::_TransferToDestBuffer( pSrcBuffer,
- pBitmapInfo,
- prSrcRect,
- prDstRect,
- pDstBuffer,
- nDstPitch);
- if (SUCCEEDED(res))
- {
- pOutBuffer = pDstBuffer;
- }
- }
- // Simply set the source buffer back to TLC's window object
- // and invalidate the window for drawing to happen
- // in the next event loop
- COpWindow *pOpWin = ((CHXOpenwaveSite*)m_pSite)->GetOpWindow();
- pOpWin->SetImageSource(pOutBuffer);
- pOpWin->Invalidate();
- return res;
- }
- HX_RESULT CMiniOpenwaveSurface::_UnlockDestBuffer(UCHAR* pSurfPtr, int nIndex)
- {
- //Nothing to do here for Openwave.....
- return HXR_OK;
- }
- HX_RESULT CMiniOpenwaveSurface::_RenderDestBuffer(HXxRect* prSrcRect,
- HXxRect* prDestRect,
- int nIndex)
- {
- HX_RESULT res = HXR_OK;
- // Since we already invalidated the window in the _TransferToDstBuffer which
- // will render the frame, so nothing to do here but simply
- // output a message here about how many frames we have seen...
- m_ulTotalFramesBlted++;
- #ifdef _DEBUG
- fprintf(stderr, "CMiniOpenwaveSurface: m_ulTotalFramesBlted: m_ulTotalFramesBltedn");
- #endif
- return res;
- }
- HX_RESULT CMiniOpenwaveSurface::_DestroyDestBuffer(int cid, int nCount)
- {
- HX_FREE(m_pCompositionSurface);
- m_nCompositionSize = 0;
- m_nCompositionPitch = 0;
- memset(&m_surfaceSize, 0, sizeof( m_surfaceSize ) );
- return HXR_OK;
- }
- HX_RESULT CMiniOpenwaveSurface::_init()
- {
- return HXR_OK;
- }
- int CMiniOpenwaveSurface::GetDstCID(int nIndex)
- {
- //right hard coded, but should use GetScreenInfo call to set
- // it correctly
- return m_cidOut;
- }