/****************************************************************************

**

** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (developer.feedback@nokia.com)

**

** This file is part of the HbServers module of the UI Extensions for Mobile.

**

** GNU Lesser General Public License Usage

** This file may be used under the terms of the GNU Lesser General Public

** License version 2.1 as published by the Free Software Foundation and

** appearing in the file LICENSE.LGPL included in the packaging of this file.

** Please review the following information to ensure the GNU Lesser General

** Public License version 2.1 requirements will be met:

** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at developer.feedback@nokia.com.

**

****************************************************************************/

#include "hbpiciconprocessor_p.h"

#include <QtSvg/QSvgRenderer>

#include <QPainter>

#include "hbmemoryutils_p.h"

#include "hbiconsource_p.h"

#include "hbthemeserverutils_p.h"

/*!

    @hbserver

    \class HbPicIconProcessor

    \brief HbPicIconProcessor is responsible for retrieving the PIC vector data from the PIC icon file,

    and copy the icon data to the cpu shared memory.

*/

/*!

    \fn HbPicIconProcessor::HbPicIconProcessor()

    Constructor

    \a key denotes the unique identifier for the cache item

    \a options indicate different ways of loading icons

    \a format indicates the icon format e.g. svg/nvg etc.

 */

HbPicIconProcessor::HbPicIconProcessor(

    const HbIconKey &key,

    const HbIconLoader::IconLoaderOptions &options,

    const QString &type)

{

    iconKey = key;

    iconOptions = options;

    iconType = type;

    defaultSize = QSize(0, 0);

}

/*!

    \fn HbPicIconProcessor::~HbPicIconProcessor()

    Destructor

 */

HbPicIconProcessor::~HbPicIconProcessor()

{

}

/*!

    \fn HbPicIconProcessor::createPictureData()

    Retrieves the PIC data from the file

    \a iconPath the path to the icon file

 */

bool HbPicIconProcessor::createIconData(const QString& iconPath)

{

    bool isIconCreated = false;

    if (!iconKey.size.isValid()) {

        return false;

    }

    HbIconSource *source = HbThemeServerUtils::getIconSource(iconPath);

    if (!source) {

        return false;

    }

    if (iconType == "SVG") {

        QSvgRenderer *svgRenderer = source->svgRenderer();

        if (svgRenderer && svgRenderer->isValid()) {

            QSizeF renderSize = QSizeF(svgRenderer->defaultSize());

            //Save the default size

            defaultSize = renderSize.toSize();

            QPainter painter;

            picture = QPicture();

            painter.begin(&picture);

            svgRenderer->render(&painter);

            painter.end();

            isIconCreated = true;

        }

        source->releaseSvgRenderer();

    } else {

        picture = *source->picture();

        QSizeF picSize = QSizeF(picture.boundingRect().size());

        //Save the default size

        defaultSize = picSize.toSize();

        //The icon is successfully created if the picSize returns not Null;

        if (!picSize.isNull()) {

            isIconCreated = true;

        }

    }

    return isIconCreated;

}

/*!

    \fn HbPicIconProcessor::sharedIconDataCost()

    Returns the size of the PIC icon data in bytes

 */

int HbPicIconProcessor::sharedIconDataCost() const

{

    int size = picture.size();

    return size;

}

/*!

    \fn HbPicIconProcessor::sharedIconData()

    Copies the PIC vector data to the shared memory

 */

HbSharedIconInfo HbPicIconProcessor::sharedIconData()const

{

    HbSharedIconInfo data;

    data.type = INVALID_FORMAT;

    if (!picture.isNull()) {

        GET_MEMORY_MANAGER(HbMemoryManager::SharedMemory);

        try {

            //alloc function of memory manager can throw

            data.picData.offset =  manager->alloc(picture.size());

            data.type = PIC;

            data.picData.dataSize = picture.size();

            data.picData.defaultWidth = defaultSize.width();

            data.picData.defaultHeight = defaultSize.height();

            memcpy(HbMemoryUtils::getAddress<char>(HbMemoryManager::SharedMemory, data.picData.offset),

                   picture.data(), picture.size());

        } catch (std::bad_alloc &badAlloc) {

            Q_UNUSED(badAlloc)

        }

    }

    return data;

}