/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
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** 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.
**
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** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
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** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QSGCANVASITEM_P_H
#define QSGCANVASITEM_P_H

#include "qsgpainteditem.h"

#define QSGCANVASITEM_DEBUG //enable this for just DEBUG purpose!

#ifdef QSGCANVASITEM_DEBUG
#include <QElapsedTimer>
#endif

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Declarative)
class QScriptValue;
class QSGContext2D;
class QSGCanvasItemPrivate;
class QSGCanvasItem : public QSGPaintedItem
{
    Q_OBJECT
public:
    QSGCanvasItem(QSGItem *parent = 0);
    ~QSGCanvasItem();

signals:
    void canvasUpdated();
public Q_SLOTS:
    QString toDataURL(const QString& type = QLatin1String("image/png")) const;
    QScriptValue getContext(const QString & = QLatin1String("2d"));
    void requestPaint();

    // Save current canvas to disk
    bool save(const QString& filename) const;

protected:
    void paint(QPainter *painter);
private:
    Q_DECLARE_PRIVATE(QSGCanvasItem)
    friend class QSGContext2D;
};
QT_END_NAMESPACE

QML_DECLARE_TYPE(QSGCanvasItem)

QT_END_HEADER

#endif //QSGCANVASITEM_P_H