/*

* Copyright (c) 2002-2009 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:  This abstract class implements MMMADisplayWindow functionality

*                in CFbsBitmap based displays.

*

*/

//  Include Files

#include <jdebug.h>

#include <bitdev.h>

#include "cmmaanimationwindow.h"

// Destructor (virtual by CBase)

CMMAAnimationWindow::~CMMAAnimationWindow()

{

    delete iBitContext;

}

CMMAAnimationWindow* CMMAAnimationWindow::NewL(

    CMMAEventSource* aEventSource)

{

    CMMAAnimationWindow* self =

        new(ELeave)CMMAAnimationWindow(aEventSource);

    return self;

}

CMMAAnimationWindow::CMMAAnimationWindow(CMMAEventSource* aEventSource):

        iEventSource(aEventSource)

{

}

void CMMAAnimationWindow::SetViewer(MIHLImageViewer* aViewer)

{

    iViewer = aViewer;

}

void CMMAAnimationWindow::SetDestinationBitmapL(CFbsBitmap* aBitmap)

{

    CMMABitmapWindow::SetDestinationBitmapL(aBitmap);

    User::LeaveIfError(iBitmapDevice->CreateBitmapContext(iBitContext));

}

void CMMAAnimationWindow::DrawFrameL(const CFbsBitmap* aBitmap)

{

    if (iBitmap)

    {

        iBitContext->BitBlt(iDrawRect.iTl, aBitmap);

    }

}

// Local wrapper function to SetDrawRect method

LOCAL_C void StaticSetDrawRect(

    CMMAAnimationWindow* aWindow,

    const TRect* aRect)

{

    aWindow->SetDrawRect(*aRect);

}

void CMMAAnimationWindow::SetDrawRect(const TRect& aRect)

{

    iDrawRect = aRect;

    if (iViewer)

    {

        TReal zoomRatio = 1.0;

        if ((iViewer->SourceSize().iWidth - aRect.Width()) >

                (iViewer->SourceSize().iHeight - aRect.Height()))

        {

            // calculate zoom ratio from width

            zoomRatio = (TReal)aRect.Width() / (TReal)iViewer->SourceSize().iWidth;

        }

        else

        {

            // calculate zoom ratio from height

            zoomRatio = (TReal)aRect.Height() / (TReal)iViewer->SourceSize().iHeight;

        }

        iViewer->SetViewerSize(iDrawRect.Size());

        iViewer->SetZoomRatio(zoomRatio);

    }

}

void CMMAAnimationWindow::SetDrawRectThread(const TRect& aRect)

{

    iEventSource->ExecuteV(&StaticSetDrawRect,

                           this,

                           &aRect);

}

//  END OF FILE