winsurf.cpp

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

    
    if (pBackBuffer)
        m_surface.dd.lpDDBackBuffer = pBackBuffer;
        
    return ret;
}

// Note that the pSurfPtr is not used... but other implementations will
// probbaly use it.
HX_RESULT CWinSurface::_UnlockInternalSurface(UCHAR* pSurfPtr)
{
    CWinBaseRootSurface* pSurface = (CWinBaseRootSurface*)m_pSite->GetRootSurface();
    WINDRAW* pWindraw = pSurface->GetWinDraw();

    if (m_pSite->HasFocusRect())
    {
        pSurface->DrawFocusRect(//&m_surface,
            m_nSurfaceCID,
            &m_surfaceSize,
            pSurfPtr,
            m_pSite);
    }

    
    IDirectDrawSurface *pBackBuffer = NULL;
    
    //This is a VS1 only call. If we are calling this and we are in
    //VS2 mode then it means we are sharing the overlay.
    //VS1 only uses the front buffer and so we need to hide the back
    //buffer from VS1 to keep the flip from happening.
    //PR70865, Fixes the 'shaking' bug.
    if( m_bVideoSurface2 && m_surface.dd.lpDDBackBuffer )
    {
        //XXXgfw This assumes that VS1 *NEVER* uses a flipping chain.
        pBackBuffer = m_surface.dd.lpDDBackBuffer;
        m_surface.dd.lpDDBackBuffer = NULL;
    }

    WinDrawSurface_Unlock(pWindraw, &m_surface, 0);

    if (pBackBuffer)
        m_surface.dd.lpDDBackBuffer = pBackBuffer;
        
    return HXR_OK;
}

void CWinSurface::_SetupDCObjects(HXxDC hxxDC, void** phOldBrush, void** phOldPen)
{
    HDC hdc = (HDC) hxxDC;
        
    LOGBRUSH brush;
        
    brush.lbStyle = BS_SOLID;
    brush.lbColor = GetOverlayColor();
    brush.lbHatch = 0;
        
    HBRUSH  hBrush      = (HBRUSH)CreateBrushIndirect(&brush);
    HPEN    hPen        = (HPEN)CreatePen(PS_SOLID, 1, GetOverlayColor());
    *phOldBrush         = (void*)SelectObject(hdc, hBrush);
    *phOldPen           = (void*)SelectObject(hdc, hPen);
}

void CWinSurface::_FillRectangle(HXxDC hxxDC, UINT32 left, UINT32 top, UINT32 right, UINT32 bottom)
{
    HDC hdc = (HDC)hxxDC;
    LOGBRUSH brush;
        
    brush.lbStyle = BS_SOLID;
//  Do NOT use _InsureColorMatch() here.  This color must be RGB(8,8,8) format and _InsureColorMatch()
//  will return a different format if display isn't in 24 or 32-bit mode.
    brush.lbColor = GetOverlayColor();
    brush.lbHatch = 0;
        
    HBRUSH  hBrush      = (HBRUSH)CreateBrushIndirect(&brush);
    HPEN    hPen        = (HPEN)CreatePen(PS_SOLID, 1, brush.lbColor);
    HBRUSH  hOldBrush   = (HBRUSH)SelectObject(hdc, hBrush);
    HPEN    hOldPen     = (HPEN)SelectObject(hdc, hPen);
        
    Rectangle(hdc, left, top, right, bottom);
        
    SelectObject(hdc, hOldBrush);
    SelectObject(hdc, hOldPen);
    DeleteObject(hBrush);
    DeleteObject(hPen);
}

void CWinSurface::_RestoreDCObjects(HXxDC hxxDC, void* hOldBrush, void* hOldPen)
{
    HBRUSH hBrush = (HBRUSH)SelectObject((HDC) hxxDC, (HBRUSH) hOldBrush);
    HPEN hPen = (HPEN)SelectObject((HDC) hxxDC, (HPEN) hOldPen);
    DeleteObject(hBrush);
    DeleteObject(hPen);
}

void CWinSurface::_GetCompositionSurfaceHXxDC(HXxDC *hdc)
{
    CWinBaseRootSurface* pSurface = (CWinBaseRootSurface*)m_pSite->GetRootSurface();
    WINDRAWSURFACE* pDrawSurface = pSurface->GetCompositionSurface();
    WINDRAW*    pWindraw = pSurface->GetWinDraw();
        
    WinDrawSurface_GetDC(pWindraw, pDrawSurface, (HDC*)hdc);
    // XXXAH Huh? Fix this up!
}

void CWinSurface::_ReleaseCompositionSurfaceHXxDC(HXxDC hdc)
{
    CWinBaseRootSurface* pSurface = (CWinBaseRootSurface*)m_pSite->GetRootSurface();

    WINDRAWSURFACE* pDrawSurface = pSurface->GetCompositionSurface();
    WINDRAW*    pWindraw = pSurface->GetWinDraw();
        
    WinDrawSurface_ReleaseDC(pWindraw, pDrawSurface, (HDC)hdc);

}

INT32 CWinSurface::_InsureColorMatch(INT32 InColor)
{
    CWinBaseRootSurface* pSurface = (CWinBaseRootSurface*)m_pSite->GetRootSurface();
    WINDRAW*    pWindraw = pSurface->GetWinDraw();
    return Windraw_ColorMatch(pWindraw, InColor);
}

void CWinSurface::_SetColorKey(INT32 nColorSpaceLowValue, INT32 nColorSpaceHighValue)
{
    CWinBaseRootSurface* pSurface = (CWinBaseRootSurface*)m_pSite->GetRootSurface();
    WINDRAW*    pWindraw = pSurface->GetWinDraw();
    HRESULT hr = WinDraw2_SetColorKey(pWindraw, m_convertedOverlayColor, m_convertedOverlayColor);
}

void CWinSurface::_UpdateOverlay(HXxRect* dest, HXxRect* src, INT32 inFlags)
{
    CWinBaseRootSurface* pSurface = (CWinBaseRootSurface*)m_pSite->GetRootSurface();
    WINDRAW*    pWindraw = pSurface->GetWinDraw();
        
    // convert flags.
    INT32 flags = 0;
    
    if (inFlags & HX_OVER_KEYDEST)
    {   
        flags |= DDOVER_KEYDEST;
    }
        
    if (inFlags & HX_OVER_HIDE)
    {   
        flags |= DDOVER_HIDE;
    }
        
    if (inFlags & HX_OVER_SHOW)
    {   
        flags |= DDOVER_SHOW;
    }

    HRESULT hr = WinDraw2_UpdateOverlay(pWindraw, &m_surface, (RECT*)dest, (RECT*)src, flags);
    // We can only have one visible overlay and someone else has it :(
    // Drop to offscreen mode.
    if (DDERR_OUTOFCAPS == hr)
    {
        m_nBltMode = HX_BASIC_BLT;
        m_bMultipleOverlay = !m_bLostHWAcceleration;//TRUE;
    }
    // If we lost/restored our surfaces, the video will be garbage so force
    // a redraw.
    else if (DDERR_SURFACELOST == hr)
        m_nLastBltMode = HX_NO_BLT;
}

BOOL CWinSurface::_IsSurfaceVisible()
{
    CWinBaseRootSurface* pSurface = (CWinBaseRootSurface*)m_pSite->GetRootSurface();
    if (!pSurface)
        return FALSE;

    WINDRAW* pWindraw = pSurface->GetWinDraw();

    return WinDraw2_IsSurfaceVisible(pWindraw, &m_surface);
}

void CWinSurface::_ReleaseSurface()
{
    CWinBaseRootSurface* pSurface = (CWinBaseRootSurface*)m_pSite->GetRootSurface();
    if (pSurface)
    {
        WINDRAW* pWindraw = pSurface->GetWinDraw();
        if (pWindraw)
        {
            WinDraw2_ReleaseSurface(pWindraw, &m_surface);
        }
    }

    m_nLastBltMode = HX_NO_BLT;
}

HXxDC CWinSurface::_GetDC(HXxWindow* pWindow)
{
    HWND hwnd = (HWND) pWindow->window;
    return     (HXxDC) GetDC(hwnd);
}

void CWinSurface::_ReleaseDC(HXxWindow* pWindow, HXxDC hdc)
{
    HWND hwnd = (HWND) pWindow->window;
    ReleaseDC(hwnd, (HDC)hdc);
}

void CWinSurface::_GetWindowDeviceCords(HXxRect* rect)
{
    HXxWindow* pWin = m_pSite->GetWindow();
    if( pWin )
    {
        HWND hwnd = (HWND) pWin->window;
        GetWindowRect(hwnd,(RECT*)rect);
    }
}

HX_RESULT CWinSurface::RelinquishOverlay()
{
    return CBaseSurface::RelinquishOverlay();
}

HX_RESULT CWinSurface::AcquireOverlay()
{
    return CBaseSurface::AcquireOverlay();
}

void CWinSurface::_ColorWindows()
{
    int index = m_pSite->m_pTopLevelSite->m_nWindowColor++;

    if (m_pSite && m_pSite->GetWindow())
    {
        HWND hwnd = (HWND) (m_pSite->GetWindow())->window;
        HDC hdc = GetDC(hwnd);

        LOGBRUSH logBrush;
        logBrush.lbStyle = BS_SOLID;
        UCHAR red   =  (index) * 16;
        UCHAR green =  (index+5) * 16;
        UCHAR blue  =  (index+10) * 16;
        logBrush.lbColor = (red << 16) | (green <<8) | blue;
        logBrush.lbHatch = 0;
        HBRUSH brush = CreateBrushIndirect(&logBrush);
        HBRUSH oldBrush = (HBRUSH) SelectObject(hdc, brush);

        Rectangle(hdc, 0,0, 1000, 1000);

        SelectObject(hdc, oldBrush);
        DeleteObject(brush);
        ReleaseDC(hwnd, hdc);

        RECT rect;
        ::GetWindowRect(hwnd, &rect);
        FILE* f = fopen("c:\\color.txt", "a+"); /* Flawfinder: ignore */
        fprintf(f, "%p HWND %p %p (%d, %d, %d, %d)\n", this, hwnd, logBrush.lbColor, rect.left, rect.top, rect.right, rect.bottom);
        HRGN r = CreateRectRgn(0,0,0,0);
        GetWindowRgn( hwnd, r);
        DWORD dwCount = GetRegionData( r, 0, 0);
        char* p = (char* ) calloc(dwCount, 1);
        LPRGNDATA pdata = (LPRGNDATA)p;
        DWORD ret = GetRegionData( r, dwCount, pdata);
        fprintf(f, "\tCount: %d Size: %d\n", pdata->rdh.nCount, dwCount);
        RECT* pr = (RECT*)pdata->Buffer;
        for(int i = 0; i< pdata->rdh.nCount; i++)
            fprintf(f, "\t\t(%d, %d, %d, %d)\n", pr[i]);
        DeleteObject(r);
        free(p);
        fclose(f);
    }
}

BOOL  CWinSurface::UsingOverlay()
{
    if (m_surface.fMode & WINDRAWSURFACE_OVERLAY)
    {
        return TRUE;
    }

    if (m_pLinkedOverlay)
    {
        return m_pLinkedOverlay->UsingOverlay();
    }

    return FALSE;
}