q3dcamera_p.h - mozsearch

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// Copyright (C) 2016 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

//

//  W A R N I N G

//  -------------

//

// This file is not part of the QtDataVisualization API.  It exists purely as an

// implementation detail.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

#ifndef Q3DCAMERA_P_H

#define Q3DCAMERA_P_H

#include "datavisualizationglobal_p.h"

#include "q3dcamera.h"

#include <QtGui/QMatrix4x4>

QT_BEGIN_NAMESPACE

class Q3DCamera;

class Q3DCameraPrivate : public QObject

    Q_OBJECT

public:

    Q3DCameraPrivate(Q3DCamera *q);

    ~Q3DCameraPrivate();

    void sync(Q3DCamera &other);

    void setXRotation(float rotation);

    void setYRotation(float rotation);

    void setMinXRotation(float rotation);

    float minXRotation() const;

    void setMinYRotation(float rotation);

    float minYRotation() const;

    void setMaxXRotation(float rotation);

    float maxXRotation() const;

    void setMaxYRotation(float rotation);

    float maxYRotation() const;

    void updateViewMatrix(float zoomAdjustment);

    QMatrix4x4 viewMatrix() const;

    void setViewMatrix(const QMatrix4x4 &viewMatrix);

    bool isViewMatrixAutoUpdateEnabled() const;

    void setViewMatrixAutoUpdateEnabled(bool isEnabled);

    void setBaseOrientation(const QVector3D &defaultPosition,

                            const QVector3D &defaultTarget,

                            const QVector3D &defaultUp);

    QVector3D calculatePositionRelativeToCamera(const QVector3D &relativePosition,

                                                float fixedRotation,

                                                float distanceModifier) const;

Q_SIGNALS:

    void minXRotationChanged(float rotation);

    void minYRotationChanged(float rotation);

    void maxXRotationChanged(float rotation);

    void maxYRotationChanged(float rotation);

    void viewMatrixChanged(const QMatrix4x4 &viewMatrix);

    void viewMatrixAutoUpdateChanged(bool enabled);

public:

    Q3DCamera *q_ptr;

    QVector3D m_actualTarget;

    QVector3D m_up;

    QMatrix4x4 m_viewMatrix;

    bool m_isViewMatrixUpdateActive;

    float m_xRotation;

    float m_yRotation;

    float m_minXRotation;

    float m_minYRotation;

    float m_maxXRotation;

    float m_maxYRotation;

    float m_zoomLevel;

    float m_minZoomLevel;

    float m_maxZoomLevel;

    bool m_wrapXRotation;

    bool m_wrapYRotation;

    Q3DCamera::CameraPreset m_activePreset;

    QVector3D m_requestedTarget;

    friend class Bars3DRenderer;

    friend class Surface3DRenderer;

    friend class Scatter3DRenderer;

    friend class SelectionPointer;

    friend class Q3DInputHandler;

    friend class QTouch3DInputHandler;

};

QT_END_NAMESPACE

#endif