miniopenwavesurf.cpp
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上传日期:2007-06-06
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- /* ***** 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 "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;
- }