/*

* Copyright (c) 2005 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:

*

*/

#include "CMIDBitmapImage.h"

#include "LcdFbsImage.h"

CMIDBitmapImage::CMIDBitmapImage(CLcdFbsImage& aImageRep)

        : iImageRep(aImageRep)

        , iRefCount(0)

{

    iImageRep.AddRef();

}

CMIDBitmapImage::~CMIDBitmapImage()

{

    iImageRep.RemoveRef();

}

void CMIDBitmapImage::AddRef()

{

    ++iRefCount;

}

void CMIDBitmapImage::RemoveRef()

{

    if (--iRefCount == 0)

    {

        delete this;

    }

}

CFbsBitmap* CMIDBitmapImage::ColorBitmap() const

{

    return iImageRep.ColorBitmap();

}

CFbsBitmap* CMIDBitmapImage::AlphaBitmap() const

{

    return iImageRep.AlphaBitmap();

}

CFbsBitmap* CMIDBitmapImage::CreateColorBitmapL(TDisplayMode aMode) const

{

    return CLcdFbsImage::CopyBitmapL(iImageRep.ColorBitmap(), aMode, EFalse);

}

CFbsBitmap* CMIDBitmapImage::CreateAlphaBitmapL(TDisplayMode aMode, TBool aInvert) const

{

    CFbsBitmap* alphaBitmap = iImageRep.AlphaBitmap();

    if (!alphaBitmap)

    {

        return NULL;

    }

    return CLcdFbsImage::CopyBitmapL(alphaBitmap, aMode, aInvert);

}

/**

 * Create a duplicate bitmap of the color bitmap. The duplicate

 * bitmap will refer to the same pixel data.

 * Caller takes ownership.

 */

CFbsBitmap* CMIDBitmapImage::DuplicateColorBitmapL() const

{

    return CLcdFbsImage::DuplicateBitmapL(iImageRep.ColorBitmap());

}

/**

 * Create a duplicate bitmap of the alpha bitmap. The duplicate

 * bitmap will refer to the same pixel data.

 * Caller takes ownership.

 * May return NULL if no alpha bitmap is present.

 */

CFbsBitmap* CMIDBitmapImage::DuplicateAlphaBitmapL() const

{

    CFbsBitmap* alphaBitmap = iImageRep.AlphaBitmap();

    if (!alphaBitmap)

    {

        return NULL;

    }

    return CLcdFbsImage::DuplicateBitmapL(alphaBitmap);

}

void CMIDBitmapImage::Draw(CBitmapContext& aContext, const TPoint& aPoint) const

{

    TRect rect(ColorBitmap()->SizeInPixels());

    Draw(aContext, aPoint, rect);

}

void CMIDBitmapImage::Draw(CBitmapContext& aContext, const TPoint& aPoint, const TRect& aRect) const

{

    CFbsBitmap* colorBitmap = ColorBitmap();

    if (colorBitmap)

    {

        CFbsBitmap* alphaBitmap = AlphaBitmap();

        if (alphaBitmap)

        {

            aContext.BitBltMasked(aPoint, colorBitmap, aRect, alphaBitmap, EFalse);

        }

        else

        {

            aContext.BitBlt(aPoint, colorBitmap, aRect);

        }

    }

}