/*

* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). 

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:   Symbian specific screen buffer drawer

*

*/

#include "alf/alfsymbiansbdrawer.h"

#include "alf/alfscreenbuffer.h"

#include <uiacceltk/HuiUtil.h>

#include <fbs.h>

struct CAlfSymbianBufferDrawer::TPrivData

    {

    CFbsBitmap* iBitmap;

    CFbsBitmap* iMask;

    };

CAlfSymbianBufferDrawer::CAlfSymbianBufferDrawer()

    {    

    }

CAlfSymbianBufferDrawer::~CAlfSymbianBufferDrawer()

    {

    if (iPrivData)

    	{

    	delete iPrivData->iBitmap;

    	delete iPrivData->iMask;

    	delete iPrivData; 	

    	}

    }

CAlfSymbianBufferDrawer* CAlfSymbianBufferDrawer::NewL()

    {

    CAlfSymbianBufferDrawer* self = new (ELeave) CAlfSymbianBufferDrawer;

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop();

    return self;

    }

void CAlfSymbianBufferDrawer::ConstructL()

    {

    iPrivData = new (ELeave) TPrivData;

    Mem::FillZ(iPrivData, sizeof(TPrivData));

    }

EXPORT_C void CAlfSymbianBufferDrawer::ReleaseDrawer()

    {

    delete this;

    }

EXPORT_C void CAlfSymbianBufferDrawer::DrawBuffer(CBitmapContext& aContext, const TPoint& aPos, const TRect& aRect)

    {

    if (iPrivData && iPrivData->iBitmap)

        {

        aContext.BitBlt(aPos,iPrivData->iBitmap, aRect);

        }

    }

EXPORT_C void CAlfSymbianBufferDrawer::DrawBufferMasked(CBitmapContext& aContext, const CFbsBitmap* aMask,const TPoint& aPos, const TRect& aRect)

    {

    if (iPrivData && iPrivData->iBitmap && aMask)

        {

        aContext.BitBltMasked(aPos,iPrivData->iBitmap, aRect,aMask, EFalse);

        }

    else

        {

        DrawBuffer(aContext, aPos, aRect);

        }    

    }

EXPORT_C void CAlfSymbianBufferDrawer::GetBufferBitmaps(CFbsBitmap*& aBitmap, CFbsBitmap*& aMask) const

    {

    if (iPrivData)

    	{

    	if (iPrivData->iBitmap)

    		{

    		aBitmap = iPrivData->iBitmap;

    		}

    	if (iPrivData->iMask)

    		{

    		aMask = iPrivData->iMask;

    		}

    	}

    }        

void CAlfSymbianBufferDrawer::SetBufferL(TInt aBitmapHandle, TInt aMaskHandle)

    {

    __ASSERT_DEBUG(iPrivData, USER_INVARIANT());

    if (iPrivData && iPrivData->iBitmap)

        {

        delete iPrivData->iBitmap;

        iPrivData->iBitmap = NULL;

        }

    if (iPrivData && iPrivData->iMask)

        {

        delete iPrivData->iMask;

        iPrivData->iMask = NULL;

        }

    if (aBitmapHandle)

        {

        iPrivData->iBitmap = new (ELeave) CFbsBitmap;

        User::LeaveIfError(iPrivData->iBitmap->Duplicate(aBitmapHandle));

        }

    if (aMaskHandle)

        {

        iPrivData->iMask = new (ELeave) CFbsBitmap;

        User::LeaveIfError(iPrivData->iMask->Duplicate(aMaskHandle));

        }

    }