gdiblt.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 _GDIBLT_H_
#define _GDIBLT_H_

#include "winblt.h"

typedef struct tagGDIINFO
{
    HDC         hDC;            /* device context for the window    */
    HDC         hMemoryDC;      /* context for GDI video buffers    */
    HDC         hMemoryDC2;     /* context for GDI video buffers    */
    HBITMAP	hOldBitmap;	/* context for GDI video buffers    */
    HPALETTE    hPalette;       /* handle to the palette to use     */
} GDIINFO, *LPGDIINFO;

typedef struct tagGDISURFACE
{
    DIBSECTION  DibSection;             /* details of DIB section allocated */
    HBITMAP     hBitMap;                /* handle to bitmap for drawing     */
    LPBYTE      lpBase;                 /* pointer to base memory address   */
    INT32       nPitch;
    HANDLE      hEmpty;                 /* Is the buffer empty              */
} GDISURFACE, *LPGDISURFACE;

class CGDIBlt : public CWinBlt
{
public:
    CGDIBlt();
    virtual ~CGDIBlt();

    virtual HX_RESULT 
        CreateSurface(int cidIn, int& cidOut,
                      int nWidth, int nHeight,
                      int nFlags, HWND hWnd,
                      int nCountIn, int& nCountOut);

    virtual HX_RESULT 
        LockSurface(UCHAR** ppDestPtr,
                    LONG32* pnDestPitch,
                    int& cid,
                    REF(HXxSize) srcSize,
                    int nIndex=0);

    virtual HX_RESULT
        FillSurface(int cidIn,
                    UCHAR* pSrcBuffer,
                    HXxSize* pSrcSize,
                    HXxRect* prSrcRect,
                    UCHAR* pDstBuffer,
                    LONG32 nDstPitch,
                    HXxRect* prDestRect);
    
    virtual HX_RESULT
        UnlockSurface(UCHAR* pSurfPtr, int nIndex=0);

    virtual HX_RESULT
        RenderSurface(HXxSize* pSrcSize,
                      HXxRect* prSrcRect,
                      HXxRect* prDestRect,
                      int nIndex=0);
    
    virtual HX_RESULT
        DestroySurface(int cid); 


protected:
    LPGDISURFACE        m_pGdiSurface;
    GDIINFO             m_gdiInfo;

#if defined (HELIX_FEATURE_CC_RGB8out)
    RGBQUAD		        m_SystemPaletteRGB[256];
    int                 m_SystemPaletteIndices[256];
    int                 m_nSystemColors;
#endif //HELIX_FEATURE_CC_RGB8out

};

#endif //_GDIBLT_H_