munixsurf.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 "coloracc.h"
- #include "minisurf.h"
- #include "munixsurf.h"
- #include "minifmt.h"
- CMiniUnixSurface::CMiniUnixSurface(IUnknown* pContext, CMiniBaseSite* pSite)
- : CMiniBaseSurface(pContext, pSite)
- , m_pDisplay(NULL)
- , m_GC(0)
- , m_nScreenNumber(0)
- , m_pXImage(NULL)
- , m_pVisual(NULL)
- , m_unDepth(0)
- , m_pScreen(NULL)
- , m_nBitsPerPixel(0)
- , m_nCompositionSize(0)
- , m_pCompositionSurface(NULL)
- {
- }
- CMiniUnixSurface::~CMiniUnixSurface()
- {
- if( m_GC )
- {
- XFreeGC( m_pDisplay, m_GC );
- m_GC=0;
- }
- if( m_pXImage )
- {
- XFree(m_pXImage);
- m_pXImage = NULL;
- }
- HX_FREE(m_pCompositionSurface);
- m_nCompositionSize = 0;
- m_nCompositionPitch = 0;
- memset(&m_surfaceSize, 0, sizeof( m_surfaceSize ) );
- }
- HX_RESULT CMiniUnixSurface::_CreateDestBuffer(int cidIn,
- int nWidth,
- int nHeight,
- int& nCount)
- {
- HX_ASSERT( m_pSite );
- HX_ASSERT( m_pDisplay );
- HX_ASSERT( m_pVisual );
- HX_ASSERT( m_unDepth );
- //For now, we just support RGB32
- HX_ASSERT( cidIn == CID_I420 );
-
- if( m_pXImage )
- {
- XFree( m_pXImage );
- }
- //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),
- CID_RGB32,
- 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) == CID_RGB32 );
- //Create our RGB dest image here.
- m_pXImage = XCreateImage( m_pDisplay,
- m_pVisual,
- m_unDepth, //Remember, it better be 32bits in this example site.
- ZPixmap,
- 0,
- (char*)m_pCompositionSurface,
- m_surfaceSize.cx,
- m_surfaceSize.cy,
- 32,
- 0);
-
- return HXR_OK;
- }
-
- HX_RESULT CMiniUnixSurface::_LockDestBuffer(UCHAR** ppDestPtr,
- LONG32* pnDestPitch,
- int& cid,
- REF(HXxSize) srcSize,
- int nIndex)
- {
- *ppDestPtr = m_pCompositionSurface;
- *pnDestPitch = m_nCompositionPitch;
- cid = CID_RGB32;
-
- return HXR_OK;
- }
-
- HX_RESULT CMiniUnixSurface::_TransferToDestBuffer(UCHAR* pSrcBuffer,
- HXBitmapInfoHeader* pBitmapInfo,
- HXxRect* prSrcRect,
- HXxRect* prDstRect,
- UCHAR* pDstBuffer,
- LONG32 nDstPitch)
- {
- HX_RESULT res = HXR_OK;
- int nCidIn = m_pImageHelper->GetBitmapColor( (HXBitmapInfo*)pBitmapInfo );
- //This minisite, as written, is just doing a blind I420->RGB32
- //color convert. Feel free to add whatever you want...
- HX_ASSERT( nCidIn == CID_I420 );
- if( nCidIn == CID_I420 )
- {
- //This calls the m_fpColorConverter init'ed in the base class.
- res = CMiniBaseSurface::_TransferToDestBuffer(pSrcBuffer,
- pBitmapInfo,
- prSrcRect,
- prDstRect,
- pDstBuffer,
- nDstPitch);
- }
-
- return res;
- }
-
- HX_RESULT CMiniUnixSurface::_UnlockDestBuffer(UCHAR* pSurfPtr, int nIndex)
- {
- return HXR_OK;
- }
-
- HX_RESULT CMiniUnixSurface::_RenderDestBuffer(HXxRect* prSrcRect,
- HXxRect* prDestRect,
- int nIndex)
- {
- int i = XPutImage(m_pDisplay,
- m_window,
- m_GC,
- m_pXImage,
- prSrcRect->left,
- prSrcRect->top,
- prDestRect->left,
- prDestRect->top,
- prDestRect->right - prDestRect->left,
- prDestRect->bottom - prDestRect->top);
-
- return HXR_OK;
- }
-
- HX_RESULT CMiniUnixSurface::_DestroyDestBuffer(int cid, int nCount)
- {
- if( m_pXImage )
- {
- XFree(m_pXImage);
- m_pXImage = NULL;
- }
- HX_FREE(m_pCompositionSurface);
- m_nCompositionSize = 0;
- m_nCompositionPitch = 0;
- memset(&m_surfaceSize, 0, sizeof( m_surfaceSize ) );
-
- return HXR_OK;
- }
- int CMiniUnixSurface::GetDstCID(int nIndex)
- {
- //Right now the mini site just always outputs in RGB32.
- return CID_RGB32;
- }
- HX_RESULT CMiniUnixSurface::_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 <= 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 CMiniUnixSurface::_init()
- {
- //get window and display from main Site.
- HXxWindow* pWindow = m_pSite->GetWindow();
- HX_ASSERT(pWindow);
- m_pDisplay = (Display*)pWindow->display;
- m_window = (Window)pWindow->window;
-
- HX_ASSERT( m_pDisplay );
- HX_ASSERT( m_window );
- //
- // Now see if our X11 server supports the Shared Memory extension.
- //
- //XXXgfw not supported in the mini site for size.
- //ShmHelp::Init(m_pDisplay);
- //m_bUseShm = ShmHelp::ShmAvailable();
-
- //Create the graphics context
- XGCValues values;
- m_GC = XCreateGC(m_pDisplay, m_window, 0, &values);
- //Get X window attributes & visual
- XWindowAttributes attr;
- XGetWindowAttributes(m_pDisplay, m_window, &attr);
- m_pVisual = attr.visual;
- // get visual info & depth
- int nv=0;
- XVisualInfo visInfo;
- memset(&visInfo, 0, sizeof(XVisualInfo));
- visInfo.visualid = XVisualIDFromVisual(m_pVisual);
- XVisualInfo* pVisualInfo = XGetVisualInfo (m_pDisplay, VisualIDMask, &visInfo, &nv);
- m_unDepth = pVisualInfo->depth;
- m_nScreenNumber = DefaultScreen(m_pDisplay);
- m_pScreen = XScreenOfDisplay(m_pDisplay, m_nScreenNumber);
- XFree( pVisualInfo );
- return HXR_OK;
- }