minisurf.h
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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 ***** */
- #ifndef _MINISURF_H_
- #define _MINISURF_H_
- #include "hxvsurf.h"
- #include "minifmt.h"
- #include "baseobj.h"
- #include "hxcolor.h"
- class CMiniBaseSite;
- class CMiniBaseSurface : public IHXVideoSurface,
- public CHXBaseCountingObject
- {
- public:
- // Creation...
- static CMiniBaseSurface* Create(IUnknown* pContext, CMiniBaseSite* pSite);
- // IUnknown methods
- STDMETHOD(QueryInterface)(THIS_ REFIID riid, void** ppvObj);
- STDMETHOD_(ULONG32,AddRef)(THIS);
- STDMETHOD_(ULONG32,Release)(THIS);
- // IHXVideoSurface methods usually called by renderers to Draw on
- // the surface
- STDMETHOD(BeginOptimizedBlt)(THIS_ HXBitmapInfoHeader* pBitmapInfo);
-
- STDMETHOD(Blt)(THIS_
- UCHAR* pImageData,
- HXBitmapInfoHeader* pBitmapInfo,
- REF(HXxRect) rDestRect,
- REF(HXxRect) rSrcRect);
-
- STDMETHOD(OptimizedBlt) (THIS_
- UCHAR* pImageBits,
- REF(HXxRect) rDestRect,
- REF(HXxRect) rSrcRect);
- STDMETHOD(EndOptimizedBlt) (THIS);
- STDMETHOD(GetOptimizedFormat)(THIS_ REF(HX_COMPRESSION_TYPE) /*OUT*/ ulType);
- STDMETHOD(GetPreferredFormat)(THIS_ REF(HX_COMPRESSION_TYPE) /*OUT*/ ulType);
- // Virtual Functions which must me implemented by each OS.
- virtual HX_RESULT _CreateDestBuffer(int cidIn,
- int nWidth, int nHeight,
- int& nCount) = 0;
- virtual HX_RESULT _LockDestBuffer(UCHAR** ppDestPtr,
- LONG32* pnDestPitch,
- int& cid,
- REF(HXxSize) dstSize,
- int nIndex=0) = 0;
- virtual HX_RESULT _TransferToDestBuffer(UCHAR* pSrcBuffer,
- HXBitmapInfoHeader* pBitmapInfo,
- HXxRect* prSrcRect,
- HXxRect* prDstRect,
- UCHAR* pDstBuffer,
- LONG32 nDstPitch);
-
- virtual HX_RESULT _UnlockDestBuffer(UCHAR* pSurfPtr, int nIndex=0) = 0;
-
- virtual HX_RESULT _RenderDestBuffer(HXxRect* prSrcRect,
- HXxRect* prDstRect,
- int nIndex=0) = 0;
- virtual HX_RESULT _DestroyDestBuffer(int cid, int nCount=1) = 0;
-
- protected:
- //A method called from Blt() to give the devices a chance to keep
- //their screen from going into power saving mode or to keep a
- //screen saver from firing. This is called each Blt() so it is up
- //to the platform specific code to only do the minimal work
- //needed.
- virtual void _KeepScreenAlive() {};
-
- CMiniBaseSurface(IUnknown* pContext, CMiniBaseSite* pSite);
- virtual ~CMiniBaseSurface();
- PRIVATE_DESTRUCTORS_ARE_NOT_A_CRIME
- virtual int GetDstCID(int nIndex=0)=0;
- virtual BOOL ScaleDuringRender(int nCID);
- HX_RESULT AllocateDestBuffers(int nWidth,
- int nHeight,
- int nCount=1);
- HX_RESULT DestroyDestBuffers(int nCount);
- LONG32 m_lRefCount;
- IUnknown* m_pContext;
- CMiniBaseSite* m_pSite;
- HXBitmapInfoHeader* m_pOptimizedFormat;
- int m_nSrcCID;
- int m_nSrcPitch;
- #if defined(HELIX_CONFIG_NOSTATICS)
- LPHXCOLORCONVERTERNOSTATIC m_fpColorConverter;
- virtual color_data_t* GetColorData() = 0;
- #else
- LPHXCOLORCONVERTER m_fpColorConverter;
- #endif
- int m_nDstBuffers;
- HXxSize m_dstBufSize;
- CFmtObj* m_pImageHelper;
- };
- #endif //_MINISURF_H_