1 /**************************************************************************** 2 ** 3 ** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). 4 ** Contact: https://www.qt.io/licensing/ 5 ** 6 ** This file is part of the Qt3D module of the Qt Toolkit. 7 ** 8 ** $QT_BEGIN_LICENSE:LGPL$ 9 ** Commercial License Usage 10 ** Licensees holding valid commercial Qt licenses may use this file in 11 ** accordance with the commercial license agreement provided with the 12 ** Software or, alternatively, in accordance with the terms contained in 13 ** a written agreement between you and The Qt Company. For licensing terms 14 ** and conditions see https://www.qt.io/terms-conditions. For further 15 ** information use the contact form at https://www.qt.io/contact-us. 16 ** 17 ** GNU Lesser General Public License Usage 18 ** Alternatively, this file may be used under the terms of the GNU Lesser 19 ** General Public License version 3 as published by the Free Software 20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the 21 ** packaging of this file. Please review the following information to 22 ** ensure the GNU Lesser General Public License version 3 requirements 23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. 24 ** 25 ** GNU General Public License Usage 26 ** Alternatively, this file may be used under the terms of the GNU 27 ** General Public License version 2.0 or (at your option) the GNU General 28 ** Public license version 3 or any later version approved by the KDE Free 29 ** Qt Foundation. The licenses are as published by the Free Software 30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 31 ** included in the packaging of this file. Please review the following 32 ** information to ensure the GNU General Public License requirements will 33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and 34 ** https://www.gnu.org/licenses/gpl-3.0.html. 35 ** 36 ** $QT_END_LICENSE$ 37 ** 38 ****************************************************************************/ 39 40 #ifndef QT3DRENDER_CAMERALENS_H 41 #define QT3DRENDER_CAMERALENS_H 42 43 #include <Qt3DCore/qcomponent.h> 44 #include <Qt3DRender/qt3drender_global.h> 45 46 #include <QtGui/QMatrix4x4> 47 #include <QtGui/QQuaternion> 48 #include <QtGui/QVector3D> 49 50 QT_BEGIN_NAMESPACE 51 52 namespace Qt3DRender { 53 54 class QCameraLensPrivate; 55 56 class Q_3DRENDERSHARED_EXPORT QCameraLens : public Qt3DCore::QComponent 57 { 58 Q_OBJECT 59 Q_PROPERTY(ProjectionType projectionType READ projectionType WRITE setProjectionType NOTIFY projectionTypeChanged) 60 Q_PROPERTY(float nearPlane READ nearPlane WRITE setNearPlane NOTIFY nearPlaneChanged) 61 Q_PROPERTY(float farPlane READ farPlane WRITE setFarPlane NOTIFY farPlaneChanged) 62 Q_PROPERTY(float fieldOfView READ fieldOfView WRITE setFieldOfView NOTIFY fieldOfViewChanged) 63 Q_PROPERTY(float aspectRatio READ aspectRatio WRITE setAspectRatio NOTIFY aspectRatioChanged) 64 Q_PROPERTY(float left READ left WRITE setLeft NOTIFY leftChanged) 65 Q_PROPERTY(float right READ right WRITE setRight NOTIFY rightChanged) 66 Q_PROPERTY(float bottom READ bottom WRITE setBottom NOTIFY bottomChanged) 67 Q_PROPERTY(float top READ top WRITE setTop NOTIFY topChanged) 68 Q_PROPERTY(QMatrix4x4 projectionMatrix READ projectionMatrix WRITE setProjectionMatrix NOTIFY projectionMatrixChanged) 69 Q_PROPERTY(float exposure READ exposure WRITE setExposure NOTIFY exposureChanged REVISION 9) 70 71 public: 72 explicit QCameraLens(QNode *parent = nullptr); 73 ~QCameraLens(); 74 75 enum ProjectionType { 76 OrthographicProjection, 77 PerspectiveProjection, 78 FrustumProjection, 79 CustomProjection 80 }; 81 Q_ENUM(ProjectionType) // LCOV_EXCL_LINE 82 83 ProjectionType projectionType() const; 84 float nearPlane() const; 85 float farPlane() const; 86 float fieldOfView() const; 87 float aspectRatio() const; 88 float left() const; 89 float right() const; 90 float bottom() const; 91 float top() const; 92 93 QMatrix4x4 projectionMatrix() const; 94 95 void setOrthographicProjection(float left, float right, 96 float bottom, float top, 97 float nearPlane, float farPlane); 98 99 void setFrustumProjection(float left, float right, 100 float bottom, float top, 101 float nearPlane, float farPlane); 102 103 void setPerspectiveProjection(float fieldOfView, float aspect, 104 float nearPlane, float farPlane); 105 106 float exposure() const; 107 108 void viewAll(Qt3DCore::QNodeId cameraId); 109 void viewEntity(Qt3DCore::QNodeId entityId, Qt3DCore::QNodeId cameraId); 110 111 public Q_SLOTS: 112 void setProjectionType(ProjectionType projectionType); 113 void setNearPlane(float nearPlane); 114 void setFarPlane(float farPlane); 115 void setFieldOfView(float fieldOfView); 116 void setAspectRatio(float aspectRatio); 117 void setLeft(float left); 118 void setRight(float right); 119 void setBottom(float bottom); 120 void setTop(float top); 121 void setProjectionMatrix(const QMatrix4x4 &projectionMatrix); 122 void setExposure(float exposure); 123 124 Q_SIGNALS: 125 void projectionTypeChanged(QCameraLens::ProjectionType projectionType); 126 void nearPlaneChanged(float nearPlane); 127 void farPlaneChanged(float farPlane); 128 void fieldOfViewChanged(float fieldOfView); 129 void aspectRatioChanged(float aspectRatio); 130 void leftChanged(float left); 131 void rightChanged(float right); 132 void bottomChanged(float bottom); 133 void topChanged(float top); 134 void projectionMatrixChanged(const QMatrix4x4 &projectionMatrix); 135 void exposureChanged(float exposure); 136 void viewSphere(const QVector3D ¢er, float radius); 137 138 protected: 139 explicit QCameraLens(QCameraLensPrivate &dd, QNode *parent = nullptr); 140 141 private: 142 Q_DECLARE_PRIVATE(QCameraLens) 143 Qt3DCore::QNodeCreatedChangeBasePtr createNodeCreationChange() const override; 144 void sceneChangeEvent(const Qt3DCore::QSceneChangePtr &change) override; 145 }; 146 147 } // Qt3DRender 148 149 QT_END_NAMESPACE 150 151 #endif // QT3DRENDER_CAMERALENS_H 152