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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** 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 Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QGRAPHICSTRANSFORM_H
#define QGRAPHICSTRANSFORM_H
#include <QtCore/QObject>
#include <QtGui/QTransform>
#include <QtGui/QVector3D>
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();
QTransform transform() const;
virtual void applyTo(QTransform *transform) const = 0;
protected 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(QPointF 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)
public:
QGraphicsScale(QObject *parent = 0);
~QGraphicsScale();
QPointF origin() const;
void setOrigin(const QPointF &point);
qreal xScale() const;
void setXScale(qreal);
qreal yScale() const;
void setYScale(qreal);
void applyTo(QTransform *transform) 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(QPointF origin READ origin WRITE setOrigin NOTIFY originChanged)
Q_PROPERTY(qreal angle READ angle WRITE setAngle NOTIFY angleChanged)
public:
QGraphicsRotation(QObject *parent = 0);
~QGraphicsRotation();
QPointF origin() const;
void setOrigin(const QPointF &point);
qreal angle() const;
void setAngle(qreal);
void applyTo(QTransform *transform) const;
Q_SIGNALS:
void originChanged();
void angleChanged();
protected:
QGraphicsRotation(QGraphicsRotationPrivate &p, QObject *parent);
private:
Q_DECLARE_PRIVATE(QGraphicsRotation)
};
class QGraphicsRotation3DPrivate;
class Q_GUI_EXPORT QGraphicsRotation3D : public QGraphicsRotation
{
Q_OBJECT
Q_PROPERTY(QVector3D axis READ axis WRITE setAxis NOTIFY axisChanged)
public:
QGraphicsRotation3D(QObject *parent = 0);
~QGraphicsRotation3D();
QVector3D axis();
void setAxis(const QVector3D &axis);
void applyTo(QTransform *transform) const;
Q_SIGNALS:
void axisChanged();
private:
Q_DECLARE_PRIVATE(QGraphicsRotation3D)
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QFXTRANSFORM_H
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