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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;
QT_BEGIN_NAMESPACE_DATAVISUALIZATION
class Q3DCameraPrivate;
class QT_DATAVISUALIZATION_EXPORT Q3DCamera : public Q3DObject
{
Q_OBJECT
Q_ENUMS(CameraPreset)
Q_PROPERTY(float xRotation READ xRotation WRITE setXRotation NOTIFY xRotationChanged)
Q_PROPERTY(float yRotation READ yRotation WRITE setYRotation NOTIFY yRotationChanged)
Q_PROPERTY(float minXRotation READ minXRotation NOTIFY minXRotationChanged)
Q_PROPERTY(float minYRotation READ minYRotation NOTIFY minYRotationChanged)
Q_PROPERTY(float maxXRotation READ maxXRotation NOTIFY maxXRotationChanged)
Q_PROPERTY(float maxYRotation READ maxYRotation NOTIFY maxYRotationChanged)
Q_PROPERTY(int zoomLevel READ zoomLevel WRITE setZoomLevel NOTIFY zoomLevelChanged)
Q_PROPERTY(QMatrix4x4 viewMatrix READ viewMatrix WRITE setViewMatrix NOTIFY viewMatrixChanged)
Q_PROPERTY(CameraPreset cameraPreset READ cameraPreset WRITE setCameraPreset NOTIFY cameraPresetChanged)
Q_PROPERTY(bool viewMatrixAutoUpdateEnabled READ isViewMatrixAutoUpdateEnabled WRITE setViewMatrixAutoUpdateEnabled NOTIFY viewMatrixAutoUpdateChanged)
Q_PROPERTY(bool wrapXRotation READ wrapXRotation WRITE setWrapXRotation NOTIFY wrapXRotationChanged)
Q_PROPERTY(bool wrapYRotation READ wrapYRotation WRITE setWrapYRotation NOTIFY wrapYRotationChanged)
public:
enum CameraPreset {
CameraPresetNone = -1,
CameraPresetFrontLow = 0,
CameraPresetFront,
CameraPresetFrontHigh,
CameraPresetLeftLow,
CameraPresetLeft,
CameraPresetLeftHigh,
CameraPresetRightLow,
CameraPresetRight,
CameraPresetRightHigh,
CameraPresetBehindLow,
CameraPresetBehind,
CameraPresetBehindHigh,
CameraPresetIsometricLeft,
CameraPresetIsometricLeftHigh,
CameraPresetIsometricRight,
CameraPresetIsometricRightHigh,
CameraPresetDirectlyAbove,
CameraPresetDirectlyAboveCW45,
CameraPresetDirectlyAboveCCW45,
CameraPresetFrontBelow,
CameraPresetLeftBelow,
CameraPresetRightBelow,
CameraPresetBehindBelow,
CameraPresetDirectlyBelow
};
public:
Q3DCamera(QObject *parent = 0);
virtual ~Q3DCamera();
float xRotation() const;
void setXRotation(float rotation);
float yRotation() const;
void setYRotation(float rotation);
float minXRotation() const;
float maxXRotation() const;
float minYRotation() const;
float maxYRotation() const;
bool wrapXRotation() const;
void setWrapXRotation(bool isEnabled);
bool wrapYRotation() const;
void setWrapYRotation(bool isEnabled);
virtual void copyValuesFrom(const Q3DObject &source);
QMatrix4x4 viewMatrix() const;
void setViewMatrix(const QMatrix4x4 &viewMatrix);
bool isViewMatrixAutoUpdateEnabled() const;
void setViewMatrixAutoUpdateEnabled(bool isEnabled);
CameraPreset cameraPreset() const;
void setCameraPreset(CameraPreset preset);
int zoomLevel() const;
void setZoomLevel(int zoomLevel);
Q_INVOKABLE void setBaseOrientation(const QVector3D &defaultPosition,
const QVector3D &defaultTarget,
const QVector3D &defaultUp);
QVector3D calculatePositionRelativeToCamera(const QVector3D &relativePosition,
float fixedRotation,
float distanceModifier) const;
void setCameraPosition(float horizontal, float vertical, float distance = 100.0f);
signals:
void xRotationChanged(float rotation);
void yRotationChanged(float rotation);
void minXRotationChanged(float rotation);
void minYRotationChanged(float rotation);
void maxXRotationChanged(float rotation);
void maxYRotationChanged(float rotation);
void zoomLevelChanged(int zoomLevel);
void viewMatrixChanged(QMatrix4x4 viewMatrix);
void cameraPresetChanged(CameraPreset preset);
void viewMatrixAutoUpdateChanged(bool enabled);
void wrapXRotationChanged(bool isEnabled);
void wrapYRotationChanged(bool isEnabled);
private:
// To be exposed in the future
void setMinXRotation(float rotation);
void setMinYRotation(float rotation);
void setMaxXRotation(float rotation);
void setMaxYRotation(float rotation);
private:
QScopedPointer<Q3DCameraPrivate> d_ptr;
Q_DISABLE_COPY(Q3DCamera)
friend class Q3DCameraPrivate;
friend class Q3DScenePrivate;
friend class Abstract3DRenderer;
friend class Bars3DRenderer;
friend class Surface3DRenderer;
friend class Scatter3DRenderer;
friend class SelectionPointer;
friend class Q3DInputHandler;
friend class QTouch3DInputHandlerPrivate;
friend class QMac3DInputHandler;
};
QT_END_NAMESPACE_DATAVISUALIZATION
#endif // Q3DCAMERA_H
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