188 lines
7.5 KiB
C++
188 lines
7.5 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the Qt3D module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 3 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 3 requirements
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** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 2.0 or (at your option) the GNU General
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** Public license version 3 or any later version approved by the KDE Free
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** Qt Foundation. The licenses are as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-2.0.html and
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** https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QT3DRENDER_CAMERA_H
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#define QT3DRENDER_CAMERA_H
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#include <Qt3DCore/qentity.h>
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#include <Qt3DRender/qt3drender_global.h>
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#include <Qt3DRender/qcameralens.h>
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#include <QtGui/QMatrix4x4>
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#include <QtGui/QQuaternion>
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#include <QtGui/QVector3D>
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QT_BEGIN_NAMESPACE
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namespace Qt3DCore {
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class QEntity;
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class QTransform;
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}
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namespace Qt3DRender {
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class QCameraPrivate;
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class Q_3DRENDERSHARED_EXPORT QCamera : public Qt3DCore::QEntity
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{
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Q_OBJECT
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// CameraLens
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Q_PROPERTY(Qt3DRender::QCameraLens::ProjectionType projectionType READ projectionType WRITE setProjectionType NOTIFY projectionTypeChanged)
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Q_PROPERTY(float nearPlane READ nearPlane WRITE setNearPlane NOTIFY nearPlaneChanged)
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Q_PROPERTY(float farPlane READ farPlane WRITE setFarPlane NOTIFY farPlaneChanged)
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Q_PROPERTY(float fieldOfView READ fieldOfView WRITE setFieldOfView NOTIFY fieldOfViewChanged)
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Q_PROPERTY(float aspectRatio READ aspectRatio WRITE setAspectRatio NOTIFY aspectRatioChanged)
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Q_PROPERTY(float left READ left WRITE setLeft NOTIFY leftChanged)
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Q_PROPERTY(float right READ right WRITE setRight NOTIFY rightChanged)
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Q_PROPERTY(float bottom READ bottom WRITE setBottom NOTIFY bottomChanged)
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Q_PROPERTY(float top READ top WRITE setTop NOTIFY topChanged)
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Q_PROPERTY(QMatrix4x4 projectionMatrix READ projectionMatrix WRITE setProjectionMatrix NOTIFY projectionMatrixChanged)
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Q_PROPERTY(float exposure READ exposure WRITE setExposure NOTIFY exposureChanged REVISION 9)
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// LookAt
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Q_PROPERTY(QVector3D position READ position WRITE setPosition NOTIFY positionChanged)
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Q_PROPERTY(QVector3D upVector READ upVector WRITE setUpVector NOTIFY upVectorChanged)
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Q_PROPERTY(QVector3D viewCenter READ viewCenter WRITE setViewCenter NOTIFY viewCenterChanged)
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Q_PROPERTY(QVector3D viewVector READ viewVector NOTIFY viewVectorChanged)
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Q_PROPERTY(QMatrix4x4 viewMatrix READ viewMatrix NOTIFY viewMatrixChanged)
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Q_PROPERTY(Qt3DRender::QCameraLens *lens READ lens CONSTANT REVISION 14)
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Q_PROPERTY(Qt3DCore::QTransform *transform READ transform CONSTANT REVISION 14)
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public:
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explicit QCamera(QNode *parent = nullptr);
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~QCamera();
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enum CameraTranslationOption {
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TranslateViewCenter,
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DontTranslateViewCenter
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};
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Q_ENUM(CameraTranslationOption) // LCOV_EXCL_LINE
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QCameraLens *lens() const;
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Qt3DCore::QTransform *transform() const;
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Q_INVOKABLE QQuaternion tiltRotation(float angle) const;
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Q_INVOKABLE QQuaternion panRotation(float angle) const;
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Q_INVOKABLE QQuaternion rollRotation(float angle) const;
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Q_INVOKABLE QQuaternion rotation(float angle, const QVector3D &axis) const;
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// Translate relative to camera orientation axes
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Q_INVOKABLE void translate(const QVector3D& vLocal, CameraTranslationOption option = TranslateViewCenter);
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// Translate relative to world axes
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Q_INVOKABLE void translateWorld(const QVector3D& vWorld, CameraTranslationOption option = TranslateViewCenter);
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Q_INVOKABLE void tilt(float angle);
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Q_INVOKABLE void pan(float angle);
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Q_INVOKABLE void pan(float angle, const QVector3D &axis);
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Q_INVOKABLE void roll(float angle);
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Q_INVOKABLE void tiltAboutViewCenter(float angle);
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Q_INVOKABLE void panAboutViewCenter(float angle);
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Q_INVOKABLE void panAboutViewCenter(float angle, const QVector3D &axis);
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Q_INVOKABLE void rollAboutViewCenter(float angle);
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Q_INVOKABLE void rotate(const QQuaternion& q);
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Q_INVOKABLE void rotateAboutViewCenter(const QQuaternion& q);
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QCameraLens::ProjectionType projectionType() const;
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float nearPlane() const;
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float farPlane() const;
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float fieldOfView() const;
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float aspectRatio() const;
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float left() const;
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float right() const;
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float bottom() const;
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float top() const;
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QMatrix4x4 projectionMatrix() const;
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float exposure() const;
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QVector3D position() const;
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QVector3D upVector() const;
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QVector3D viewCenter() const;
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QVector3D viewVector() const;
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QMatrix4x4 viewMatrix() const;
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public Q_SLOTS:
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void setProjectionType(QCameraLens::ProjectionType type);
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void setNearPlane(float nearPlane);
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void setFarPlane(float farPlane);
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void setFieldOfView(float fieldOfView);
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void setAspectRatio(float aspectRatio);
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void setLeft(float left);
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void setRight(float right);
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void setBottom(float bottom);
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void setTop(float top);
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void setProjectionMatrix(const QMatrix4x4 &projectionMatrix);
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void setExposure(float exposure);
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void setPosition(const QVector3D &position);
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void setUpVector(const QVector3D &upVector);
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void setViewCenter(const QVector3D &viewCenter);
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void viewAll();
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void viewSphere(const QVector3D ¢er, float radius);
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void viewEntity(Qt3DCore::QEntity *entity);
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Q_SIGNALS:
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void projectionTypeChanged(QCameraLens::ProjectionType projectionType);
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void nearPlaneChanged(float nearPlane);
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void farPlaneChanged(float farPlane);
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void fieldOfViewChanged(float fieldOfView);
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void aspectRatioChanged(float aspectRatio);
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void leftChanged(float left);
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void rightChanged(float right);
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void bottomChanged(float bottom);
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void topChanged(float top);
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void projectionMatrixChanged(const QMatrix4x4 &projectionMatrix);
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void exposureChanged(float exposure);
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void positionChanged(const QVector3D &position);
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void upVectorChanged(const QVector3D &upVector);
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void viewCenterChanged(const QVector3D &viewCenter);
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void viewVectorChanged(const QVector3D &viewVector);
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void viewMatrixChanged();
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protected:
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Q_DECLARE_PRIVATE(QCamera)
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explicit QCamera(QCameraPrivate &dd, QNode *parent = nullptr);
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};
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} // namespace Qt3DRender
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QT_END_NAMESPACE
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#endif // QT3DRENDER_CAMERA_H
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