libqt4-dev 4:4.8.1-0ubuntu4 / usr / include / qt4 / QtGui / qgraphicstransform.h

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/****************************************************************************
**
** Copyright (C) 2012 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.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
** 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.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QGRAPHICSTRANSFORM_H
#define QGRAPHICSTRANSFORM_H

#include <QtCore/QObject>
#include <QtGui/QVector3D>
#include <QtGui/QTransform>
#include <QtGui/QMatrix4x4>

#ifndef QT_NO_GRAPHICSVIEW
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 xScaleChanged)
    Q_PROPERTY(qreal yScale READ yScale WRITE setYScale NOTIFY yScaleChanged)
    Q_PROPERTY(qreal zScale READ zScale WRITE setZScale NOTIFY zScaleChanged)
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 xScaleChanged();
    void yScaleChanged();
    void zScaleChanged();
    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 //QT_NO_GRAPHICSVIEW

#endif // QFXTRANSFORM_H

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