1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/graphics/windowing/windowserver/nga/SERVER/BITMAP.CPP	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,79 @@
     1.4 +// Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// Window server side bitmap class
    1.18 +// All this class does is actually give the window server ownership of the bitmap
    1.19 +// 
    1.20 +//
    1.21 +
    1.22 +#include "ScrDev.H"
    1.23 +
    1.24 +DWsBitmap::DWsBitmap(CWsClient *aOwner) : CWsObject(aOwner, WS_HANDLE_BITMAP)
    1.25 +	{
    1.26 +	}
    1.27 +
    1.28 +DWsBitmap::~DWsBitmap()
    1.29 +	{
    1.30 +	delete iFbsBitmap;
    1.31 +	}
    1.32 +
    1.33 +void DWsBitmap::ConstructL(const TWsClCmdCreateBitmap &aParams)
    1.34 +	{
    1.35 +	NewObjL();
    1.36 +	iFbsBitmap=new(ELeave) CFbsBitmap();
    1.37 +	TInt ret = iFbsBitmap->Duplicate(aParams.handle);
    1.38 +	if(ret == KErrNoMemory)
    1.39 +		{
    1.40 +		User::Leave(ret);
    1.41 +		}
    1.42 +	if (ret !=KErrNone)
    1.43 +		OwnerPanic(EWservPanicBitmap);
    1.44 +	IncRefCount();
    1.45 +	}
    1.46 +
    1.47 +void DWsBitmap::CommandL(TInt aOpcode, const TAny *)
    1.48 +	{
    1.49 +	switch(aOpcode)
    1.50 +		{
    1.51 +		case EWsBitmapOpFree:
    1.52 +			iFlags |= EWsBitmapClientObjectFreed;
    1.53 +			DecRefCount();
    1.54 +			break;
    1.55 +		default:
    1.56 +			OwnerPanic(EWservPanicOpcode);
    1.57 +			break;
    1.58 +		}
    1.59 +	}
    1.60 +
    1.61 +/*
    1.62 +DWsBitmap is a reference couting object so we cannot simply close the object as somebody else may have a reference to it
    1.63 +*/
    1.64 +void DWsBitmap::CloseObject()
    1.65 +	{
    1.66 +	RemoveFromIndex();
    1.67 +	if (!(iFlags & EWsBitmapClientObjectFreed))
    1.68 +		{
    1.69 +		DecRefCount();
    1.70 +		}
    1.71 +	}
    1.72 +
    1.73 +void DWsBitmap::IncRefCount()
    1.74 +	{
    1.75 +	iRefCount++;
    1.76 +	}
    1.77 +
    1.78 +void DWsBitmap::DecRefCount()
    1.79 +	{
    1.80 +	if (--iRefCount <= 0)
    1.81 +		delete this;
    1.82 +	}