153 lines
4.5 KiB
C++
153 lines
4.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the QtWidgets module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QGRAPHICSTRANSFORM_H
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#define QGRAPHICSTRANSFORM_H
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#include <QtWidgets/qtwidgetsglobal.h>
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#include <QtCore/QObject>
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#include <QtGui/QVector3D>
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#include <QtGui/QTransform>
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#include <QtGui/QMatrix4x4>
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QT_REQUIRE_CONFIG(graphicsview);
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QT_BEGIN_NAMESPACE
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class QGraphicsItem;
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class QGraphicsTransformPrivate;
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class Q_WIDGETS_EXPORT QGraphicsTransform : public QObject
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{
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Q_OBJECT
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public:
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QGraphicsTransform(QObject *parent = nullptr);
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~QGraphicsTransform();
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virtual void applyTo(QMatrix4x4 *matrix) const = 0;
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protected Q_SLOTS:
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void update();
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protected:
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QGraphicsTransform(QGraphicsTransformPrivate &p, QObject *parent);
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private:
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friend class QGraphicsItem;
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friend class QGraphicsItemPrivate;
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Q_DECLARE_PRIVATE(QGraphicsTransform)
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};
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class QGraphicsScalePrivate;
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class Q_WIDGETS_EXPORT QGraphicsScale : public QGraphicsTransform
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{
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Q_OBJECT
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Q_PROPERTY(QVector3D origin READ origin WRITE setOrigin NOTIFY originChanged)
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Q_PROPERTY(qreal xScale READ xScale WRITE setXScale NOTIFY xScaleChanged)
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Q_PROPERTY(qreal yScale READ yScale WRITE setYScale NOTIFY yScaleChanged)
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Q_PROPERTY(qreal zScale READ zScale WRITE setZScale NOTIFY zScaleChanged)
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public:
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QGraphicsScale(QObject *parent = nullptr);
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~QGraphicsScale();
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QVector3D origin() const;
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void setOrigin(const QVector3D &point);
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qreal xScale() const;
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void setXScale(qreal);
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qreal yScale() const;
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void setYScale(qreal);
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qreal zScale() const;
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void setZScale(qreal);
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void applyTo(QMatrix4x4 *matrix) const override;
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Q_SIGNALS:
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void originChanged();
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void xScaleChanged();
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void yScaleChanged();
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void zScaleChanged();
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void scaleChanged();
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private:
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Q_DECLARE_PRIVATE(QGraphicsScale)
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};
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class QGraphicsRotationPrivate;
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class Q_WIDGETS_EXPORT QGraphicsRotation : public QGraphicsTransform
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{
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Q_OBJECT
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Q_PROPERTY(QVector3D origin READ origin WRITE setOrigin NOTIFY originChanged)
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Q_PROPERTY(qreal angle READ angle WRITE setAngle NOTIFY angleChanged)
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Q_PROPERTY(QVector3D axis READ axis WRITE setAxis NOTIFY axisChanged)
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public:
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QGraphicsRotation(QObject *parent = nullptr);
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~QGraphicsRotation();
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QVector3D origin() const;
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void setOrigin(const QVector3D &point);
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qreal angle() const;
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void setAngle(qreal);
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QVector3D axis() const;
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void setAxis(const QVector3D &axis);
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void setAxis(Qt::Axis axis);
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void applyTo(QMatrix4x4 *matrix) const override;
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Q_SIGNALS:
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void originChanged();
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void angleChanged();
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void axisChanged();
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private:
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Q_DECLARE_PRIVATE(QGraphicsRotation)
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};
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QT_END_NAMESPACE
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#endif // QFXTRANSFORM_H
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