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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 QtDataVis3D 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 <QObject>
+#include <QMatrix4x4>
+
+#include "datavis3dglobal_p.h"
+#include "q3dbars.h"
+#include "q3dobject.h"
+
+class QVector3D;
+class QPoint;
+class QPointF;
+
+QT_DATAVIS3D_BEGIN_NAMESPACE
+
+class Q3DCameraPrivate;
+
+class QT_DATAVIS3D_EXPORT Q3DCamera : public Q3DObject
+{
+ Q_OBJECT
+ Q_PROPERTY(QPointF rotations READ rotations WRITE setRotations)
+ Q_PROPERTY(QMatrix4x4 viewMatrix READ viewMatrix WRITE setViewMatrix)
+ Q_PROPERTY(QtDataVis3D::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(GLfloat 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,
+ GLfloat fixedRotation,
+ GLfloat distanceModifier) const;
+
+private:
+ void setRotationsPrivate(const QPointF &rotation);
+ QScopedPointer<Q3DCameraPrivate> d_ptr;
+
+ Q_DISABLE_COPY(Q3DCamera)
+};
+
+QT_DATAVIS3D_END_NAMESPACE
+
+#endif // Q3DCAMERA_H