unixsurf.h

著名的 helix realplayer 基于手机 symbian 系统的 播放器全套源代码

/* ***** 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 ***** */ 

#ifndef _UNIXSURF_H
#define _UNIXSURF_H

#include "basesurf.h"
#include "baseroot.h"

#include <X11/Xatom.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xos.h>
#include <X11/Intrinsic.h>
#include <X11/extensions/XShm.h>

//This was never added to the XShm.h header file for some reason.
extern "C"
{
    extern int XShmGetEventBase( Display *);
}


#if defined(_LINUX) && defined(_OVERLAY)
#  include <X11/extensions/Xv.h>
#  include <X11/extensions/Xvlib.h>
#endif

class CUnixSurf : public CBaseSurface
{
public:
   CUnixSurf( IUnknown* pContext, CHXBaseSite* pSite );
   
protected:
   virtual void      _ReleaseSurface(CBaseRootSurface* pSurface);
   virtual void      _DrawBlack(void* pWindow);
   virtual HX_RESULT _BltToPrimary(HXxRect& rDestRect, HXxRect& rSrcRect);
   virtual void      _CreateBuffer();
   virtual HX_RESULT _GetCaps(UINT32 *pfSurfaceCaps);
   virtual HX_RESULT _CreateOverlay(BOOL bOverlay, int cid, int x, int y);
   virtual HX_RESULT _LockInternalSurface(UCHAR** ppSurfPtr,
                                          LONG32* pnSurfPitch,
                                          HXxSize& notused);
   virtual HX_RESULT _UnlockInternalSurface(UCHAR* pSurfPtr);
   virtual void      _SetupDCObjects(HXxDC hxxDC,
                                     void** phOldBrush, void** phOldPen);
   virtual void      _FillRectangle(HXxDC hxxDC,
                                    UINT32 left, UINT32 top,
                                    UINT32 right, UINT32 bottom);
   virtual void      _RestoreDCObjects(HXxDC hxxDC,
                                       void* hOldBrush, void* hOldPen);
   virtual void      _GetCompositionSurfaceHXxDC(HXxDC *hdc);
   virtual void      _ReleaseCompositionSurfaceHXxDC(HXxDC hdc);
   virtual INT32     _InsureColorMatch(INT32 InColor);
   virtual void      _SetColorKey(INT32 nColorSpaceLowValue,
                                  INT32 nColorSpaceHighValue);
   virtual void      _UpdateOverlay(HXxRect* src, HXxRect* dest, INT32 inFlags);
   virtual BOOL      _IsSurfaceVisible();
   virtual void      _ReleaseSurface();
   virtual HXxDC     _GetDC(HXxWindow*);
   virtual void      _ReleaseDC(HXxWindow*, HXxDC);

   //Helpers
   // returns true if there is a port that supports the fourcc.
   // if called with no parameters, return wether or not overlays
   // are supported at all.
   BOOL _OverlayAvailable(int fourccWanted=-1, int* nPortID=NULL );

   //Converts window coordinates into device coordinates
   //if needed. This is used on Windows at least because
   //its overlays use screen coords instead of window coords.
   //This is a noop on unix as its overlays are in window coords.
   virtual void _GetWindowDeviceCords(HXxRect* rect );
   

private:
   virtual ~CUnixSurf();
   PRIVATE_DESTRUCTORS_ARE_NOT_A_CRIME

   int m_nCompletionEventID;
    
   //Protect unintentional copy and default ctors.
   CUnixSurf();
   CUnixSurf( const CUnixSurf& );
   CUnixSurf& operator=(const CUnixSurf& it );

#if defined(_LINUX) && defined(_OVERLAY)
   static CUnixSurf* zm_pXvOwner;
   
   BOOL        m_bWallPaperMode;
   ULONG32     m_ulColorKey;
   BOOL        m_bPaintClipList;
   BOOL        m_bStretchToFill;
   INT32       m_nPortID;
   int         m_nContrast;
   int         m_nBrightness;
   XvImage**   m_pXvImage;
   Atom        m_atomColorKey;
   Atom        m_atomClipKey;
   Atom        m_atomBrightness;
   Atom        m_atomContrast;

#endif //_OVERLAY
  public:
   ULONG32     m_ulLastOverlayUpdateTime;
  private:
   

   UCHAR**     m_pcVideoBuf;
   int         m_nVideoPitch;
   ULONG32     m_ulFourCCID;
   
   //Shared memory members.
   BOOL             m_bUseShm;
   XShmSegmentInfo* m_shmInfo;
   int*             m_nShmId;
   
   Display*    m_display;
   GC          m_GC;
   int         m_nScreenNumber;
   int         m_nCurrentBuffer;
   int         m_nMultiBufferCount;
};

#endif