minifmt.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 _MINIFMT_H_
#define _MINIFMT_H_

#include "hxvsurf.h"
#include "hxtypes.h"

#ifndef MAKEFOURCC
#define MAKEFOURCC(ch0,ch1,ch2,ch3) ( ((ULONG32)((BYTE)(ch0)) | ((ULONG32)((BYTE)(ch1)) << 8) | ((ULONG32)((BYTE)(ch2)) << 16) | ((ULONG32)((BYTE)(ch3)) << 24 )) )
#endif

struct tagFmtEntry;

typedef struct tagFmtEntry
{
    ULONG32 dwFlags;        // indicates valid fields
    ULONG32 dwFourCC;       // FourCC code
    int     cid;
    ULONG32 dwBitCount;     // number of bits/pixel
    ULONG32 nBPP;
    ULONG32 dwBitMask[3];   // RGB bit masks
    struct  tagFmtEntry* pNext;
} FmtEntry;

class CFmtObj
{
public:
    CFmtObj();
    ~CFmtObj();

    int     MakeBitmap (HXBitmapInfo* lpbi,
                        int nBISize, int cid,
                        ULONG32 dwWidth, ULONG32 dwHeight,
                        void* lppe, int nColors);

    
    int     SetBitmapColor(HXBitmapInfo* lpHXbi, int cid);
    int     ImageSize (int cid, ULONG32 dwWidth, ULONG32 dwHeight);
    int     GetBitmapPitch (HXBitmapInfo* lpbi);
    int     GetBitmapColor (HXBitmapInfo* lpHXbi);

protected:
    int     ChkColor (FmtEntry* p,
                      ULONG32 dwFourCC,
                      ULONG32 dwBitCount,
                      ULONG32 *lpBitMask);

    void        CreateFmtList();
    void        DestroyFmtList();
    
    FmtEntry*   CreateFmtEntry( ULONG32 dwFlags,
                                ULONG32 dwFourCC,
                                int     cid,
                                ULONG32 dwBitCount,
                                ULONG32 nBPP,
                                ULONG32 dwBitMask1=0,
                                ULONG32 dwBitMask2=0,
                                ULONG32 dwBitMask3=0
                                );
    FmtEntry*   FindEntry(int cid);

    FmtEntry*   m_pFmtList;
};

#endif //_MINIFMT_H_