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

**

** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the QtGui module of the Qt Toolkit.

**

** $QT_BEGIN_LICENSE:LGPL$

** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** GNU Lesser General Public License Usage

** Alternatively, 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 qt-info@nokia.com.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

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

#ifndef QGRAPHICSTRANSFORM_H

#define QGRAPHICSTRANSFORM_H

#include <QtCore/QObject>

#include <QtGui/QVector3D>

#include <QtGui/QTransform>

#include <QtGui/QMatrix4x4>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

class QGraphicsItem;

class QGraphicsTransformPrivate;

class Q_GUI_EXPORT QGraphicsTransform : public QObject

{

    Q_OBJECT

public:

    QGraphicsTransform(QObject *parent = 0);

    ~QGraphicsTransform();

    virtual void applyTo(QMatrix4x4 *matrix) const = 0;

protected Q_SLOTS:

    void update();

protected:

    QGraphicsTransform(QGraphicsTransformPrivate &p, QObject *parent);

private:

    friend class QGraphicsItem;

    friend class QGraphicsItemPrivate;

    Q_DECLARE_PRIVATE(QGraphicsTransform)

};

class QGraphicsScalePrivate;

class Q_GUI_EXPORT QGraphicsScale : public QGraphicsTransform

{

    Q_OBJECT

    Q_PROPERTY(QVector3D origin READ origin WRITE setOrigin NOTIFY originChanged)

    Q_PROPERTY(qreal xScale READ xScale WRITE setXScale NOTIFY scaleChanged)

    Q_PROPERTY(qreal yScale READ yScale WRITE setYScale NOTIFY scaleChanged)

    Q_PROPERTY(qreal zScale READ zScale WRITE setZScale NOTIFY scaleChanged)

public:

    QGraphicsScale(QObject *parent = 0);

    ~QGraphicsScale();

    QVector3D origin() const;

    void setOrigin(const QVector3D &point);

    qreal xScale() const;

    void setXScale(qreal);

    qreal yScale() const;

    void setYScale(qreal);

    qreal zScale() const;

    void setZScale(qreal);

    void applyTo(QMatrix4x4 *matrix) const;

Q_SIGNALS:

    void originChanged();

    void scaleChanged();

private:

    Q_DECLARE_PRIVATE(QGraphicsScale)

};

class QGraphicsRotationPrivate;

class Q_GUI_EXPORT QGraphicsRotation : public QGraphicsTransform

{

    Q_OBJECT

    Q_PROPERTY(QVector3D origin READ origin WRITE setOrigin NOTIFY originChanged)

    Q_PROPERTY(qreal angle READ angle WRITE setAngle NOTIFY angleChanged)

    Q_PROPERTY(QVector3D axis READ axis WRITE setAxis NOTIFY axisChanged)

public:

    QGraphicsRotation(QObject *parent = 0);

    ~QGraphicsRotation();

    QVector3D origin() const;

    void setOrigin(const QVector3D &point);

    qreal angle() const;

    void setAngle(qreal);

    QVector3D axis() const;

    void setAxis(const QVector3D &axis);

    void setAxis(Qt::Axis axis);

    void applyTo(QMatrix4x4 *matrix) const;

Q_SIGNALS:

    void originChanged();

    void angleChanged();

    void axisChanged();

private:

    Q_DECLARE_PRIVATE(QGraphicsRotation)

};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QFXTRANSFORM_H