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++ // Copyright (C) 2019 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++ // Qt-Security score:significant reason:default
++
++
++ #ifndef QSSGCAMERA_H
++ #define QSSGCAMERA_H
++
++ //
++ // W A R N I N G
++ // -------------
++ //
++ // This file is not part of the Qt API. It exists purely as an
++ // implementation detail. This header file may change from version to
++ // version without notice, or even be removed.
++ //
++ // We mean it.
++ //
++
++ #include <QtQuick3D/private/qquick3dnode_p.h>
++
++ QT_BEGIN_NAMESPACE
++
++ class QSSGRenderCamera;
++ class Q_QUICK3D_EXPORT QQuick3DCamera : public QQuick3DNode
++ {
++ Q_OBJECT
++ Q_PROPERTY(bool frustumCullingEnabled READ frustumCullingEnabled WRITE setFrustumCullingEnabled NOTIFY frustumCullingEnabledChanged)
++ Q_PROPERTY(QQuick3DNode *lookAtNode READ lookAtNode WRITE setLookAtNode NOTIFY lookAtNodeChanged REVISION(6, 4))
++ Q_PROPERTY(float levelOfDetailBias READ levelOfDetailBias WRITE setLevelOfDetailBias NOTIFY levelOfDetailBiasChanged REVISION(6, 5))
++ QML_NAMED_ELEMENT(Camera)
++ QML_UNCREATABLE("Camera is Abstract")
++ public:
++ Q_INVOKABLE QVector3D mapToViewport(const QVector3D &scenePos) const;
++ Q_INVOKABLE QVector3D mapFromViewport(const QVector3D &viewportPos) const;
++ QVector3D mapToViewport(const QVector3D &scenePos,
++ qreal width,
++ qreal height);
++ QVector3D mapFromViewport(const QVector3D &viewportPos,
++ qreal width,
++ qreal height);
++
++ Q_INVOKABLE void lookAt(const QVector3D &scenePos);
++ Q_INVOKABLE void lookAt(QQuick3DNode *node);
++
++ // It will be used only after the scene was drawn.
++ // It means that the spatialNode of this camera already was created.
++ void updateGlobalVariables(const QRectF &inViewport);
++
++ bool frustumCullingEnabled() const;
++ QQuick3DNode *lookAtNode() const;
++ Q_REVISION(6, 5) float levelOfDetailBias() const;
++
++ public Q_SLOTS:
++ void setFrustumCullingEnabled(bool frustumCullingEnabled);
++ void setLookAtNode(QQuick3DNode *node);
++ Q_REVISION(6, 5) void setLevelOfDetailBias(float newLevelOFDetailBias);
++
++ Q_SIGNALS:
++ void frustumCullingEnabledChanged();
++ Q_REVISION(6, 4) void lookAtNodeChanged();
++ Q_REVISION(6, 5) void levelOfDetailBiasChanged();
++
++ protected:
++ explicit QQuick3DCamera(QQuick3DNodePrivate &dd, QQuick3DNode *parent = nullptr);
++
++ QSSGRenderGraphObject *updateSpatialNode(QSSGRenderGraphObject *node) override;
++
++ private Q_SLOTS:
++ void updateLookAt();
++
++ private:
++ bool m_frustumCullingEnabled = false;
++ QQuick3DNode *m_lookAtNode = nullptr;
++ float m_levelOfDetailBias = 1.0f;
++ };
++
++ QT_END_NAMESPACE
++
++ #endif // QSSGCAMERA_H