hxconv.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 _HXCONV_H_
#define _HXCONV_H_

#include "hxwintyp.h"
#include "dllacces.h"
#include "coloracc.h"
#include "hxwin.h"
#include "hxvsurf.h"

class HXColorConverterManager: public IHXColorConverterManager
{
protected:
    LONG32		    m_lRefCount;
    ColorFuncAccess*	    m_pColorAcc;
    IUnknown*		    m_pContext;
 
public:

    HXColorConverterManager(IUnknown* pContext);
    ~HXColorConverterManager(void);

    /*
     * IUnknown methods
     */
    STDMETHOD(QueryInterface)	(THIS_
				REFIID riid,
				void** ppvObj);

    STDMETHOD_(ULONG32,AddRef)	(THIS);

    STDMETHOD_(ULONG32,Release)	(THIS);

		
    /*
     *	IHXColorConverterManager methods
     */

    /************************************************************************
     *	Method:
     *	    IHXColorConverterManager::GetColorConverter
     *	Purpose:
     *	    Get ColorConverter is called to obtain a color converter to convert 
     *	    from a particular bitmap to another bitmap.
     *	    
     *
     */
    STDMETHOD(GetColorConverter)	(   THIS_ 
				    HXBitmapInfoHeader*  pInfoSrc,
				    HXBitmapInfoHeader*  pInfoDest,
				    REF(IHXColorConverter*) /*OUT*/ pConverter);

private:
    void Init();
};

class HXColorConverter: public IHXColorConverter
{
protected:
    LONG32		    m_lRefCount;
    int			    m_nPitchIn;
    int			    m_nPitchOut;
    HXxSize		    m_sizeIn;
    HXxSize		    m_sizeOut;
    LPHXCOLORCONVERTER	    m_fpColorConverter;
    
public:

    HXColorConverter();
    ~HXColorConverter(void);

    /*
     * IUnknown methods
     */
    STDMETHOD(QueryInterface)	(THIS_
				REFIID riid,
				void** ppvObj);

    STDMETHOD_(ULONG32,AddRef)	(THIS);

    STDMETHOD_(ULONG32,Release)	(THIS);

		
    /*
     *	IHXColorConverter methods
     */

    /************************************************************************
     *	Method:
     *	    IHXColorConverter::ColorConvert
     *	Purpose:
     *	    Get ColorConverter is called to obtain a color converter to convert 
     *	    from a particular bitmap to another bitmap.
     *	    
     *
     */
    STDMETHOD(ColorConvert)	(   THIS_ 
				    UCHAR*	pBitsIn,
				    UCHAR*	pBitsOut,
				    HXxRect*    pRectIn,
				    HXxRect*    pRectOut);

    void SetColorConverter(LPHXCOLORCONVERTER fpColorConverter) {m_fpColorConverter = fpColorConverter;}
    void SetPitchIn(int pitch) {m_nPitchIn = pitch;}
    void SetPitchOut(int pitch) {m_nPitchOut = pitch;}
    void SetSizeIn(int height, int width) {m_sizeIn.cx = width; m_sizeIn.cy = height;}
    void SetSizeOut(int height, int width) {m_sizeOut.cx = width; m_sizeOut.cy = height;}
};


#endif // _HXCONV_H_