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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the QtDataVisualization module.
**
** Licensees holding valid Qt Enterprise licenses may use this file in
** accordance with the Qt Enterprise License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
**
****************************************************************************/
#ifndef Q3DCAMERA_H
#define Q3DCAMERA_H
#include <QtDataVisualization/q3dobject.h>
#include <QMatrix4x4>
class QVector3D;
class QPoint;
class QPointF;
QT_DATAVISUALIZATION_BEGIN_NAMESPACE
class Q3DCameraPrivate;
class QT_DATAVISUALIZATION_EXPORT Q3DCamera : public Q3DObject
{
Q_OBJECT
Q_PROPERTY(QPointF rotations READ rotations WRITE setRotations)
Q_PROPERTY(QMatrix4x4 viewMatrix READ viewMatrix WRITE setViewMatrix)
Q_PROPERTY(QtDataVisualization::QDataVis::CameraPreset cameraPreset READ cameraPreset WRITE setCameraPreset)
Q_PROPERTY(int zoomLevel READ zoomLevel WRITE setZoomLevel)
public:
Q3DCamera(QObject *parent = 0);
virtual ~Q3DCamera();
void copyValuesFrom(const Q3DCamera &source);
// Set camera rotation in degrees
virtual void setRotations(const QPointF &rotation);
// Get camera rotations
virtual QPointF rotations() const;
virtual void setViewMatrix(const QMatrix4x4 &viewMatrix);
virtual QMatrix4x4 viewMatrix() const;
// Set default camera orientation. Position's x and y should be 0.
virtual void setDefaultOrientation(const QVector3D &defaultPosition,
const QVector3D &defaultTarget,
const QVector3D &defaultUp);
// Calculate view matrix based on zoomadjustment, current rotation and current zoom level
virtual void updateViewMatrix(qreal zoomAdjustment);
virtual void setCameraPreset(QDataVis::CameraPreset preset);
virtual QDataVis::CameraPreset cameraPreset();
virtual void setZoomLevel(int zoomLevel);
virtual int zoomLevel();
virtual QVector3D calculatePositionRelativeToCamera(const QVector3D &relativePosition,
qreal fixedRotation,
qreal distanceModifier) const;
private:
QScopedPointer<Q3DCameraPrivate> d_ptr;
Q_DISABLE_COPY(Q3DCamera)
friend class Q3DCameraPrivate;
friend class Q3DScenePrivate;
};
QT_DATAVISUALIZATION_END_NAMESPACE
#endif // Q3DCAMERA_H
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