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++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
++
++ #include "q3dlight_p.h"
++
++ QT_BEGIN_NAMESPACE
++
++ /*!
++ * \class Q3DLight
++ * \inmodule QtDataVisualization
++ * \brief Representation of a light source in 3D space.
++ * \since QtDataVisualization 1.0
++ *
++ * Q3DLight represents a monochrome light source in 3D space.
++ *
++ * \note Default light has isAutoPosition() \c true.
++ */
++
++ /*!
++ * \qmltype Light3D
++ * \inqmlmodule QtDataVisualization
++ * \since QtDataVisualization 1.0
++ * \ingroup datavisualization_qml
++ * \nativetype Q3DLight
++ * \brief Representation of a light source in 3D space.
++ *
++ * Light3D represents a monochrome light source in 3D space.
++ *
++ * \note Default light has autoPosition \c true.
++ */
++
++ /*!
++ * \qmlproperty bool Light3D::autoPosition
++ * \since QtDataVisualization 1.3
++ * Defines whether the light position follows the camera automatically.
++ * \note Has no effect if shadows are enabled. Remember to disable shadows before setting light's
++ * position, or it will be overwritten by automatic positioning if this
++ * property is \c false.
++ */
++
++ /*!
++ * Constructs a new 3D light located at origin. An optional \a parent parameter can be given
++ * and is then passed to QObject constructor.
++ */
++ Q3DLight::Q3DLight(QObject *parent) :
++ Q3DObject(parent),
++ d_ptr(new Q3DLightPrivate(this))
++ {
++ }
++
++ /*!
++ * Destroys the light object.
++ */
++ Q3DLight::~Q3DLight()
++ {
++ }
++
++ /*!
++ * \property Q3DLight::autoPosition
++ * \since QtDataVisualization 5.9
++ * \brief Whether the light position follows the camera automatically.
++ * \note Has no effect if shadows are enabled. Remember to disable shadows before setting light's
++ * position, or it will be overwritten by automatic positioning if
++ * \c isAutoPosition() is \c false.
++ */
++ void Q3DLight::setAutoPosition(bool enabled)
++ {
++ if (enabled != d_ptr->m_automaticLight) {
++ d_ptr->m_automaticLight = enabled;
++ setDirty(true);
++ emit autoPositionChanged(enabled);
++ }
++ }
++
++ bool Q3DLight::isAutoPosition()
++ {
++ return d_ptr->m_automaticLight;
++ }
++
++ Q3DLightPrivate::Q3DLightPrivate(Q3DLight *q) :
++ q_ptr(q),
++ m_automaticLight(false)
++ {
++ }
++
++ Q3DLightPrivate::~Q3DLightPrivate()
++ {
++ }
++
++ void Q3DLightPrivate::sync(Q3DLight &other)
++ {
++ if (q_ptr->isDirty()) {
++ other.setPosition(q_ptr->position());
++ other.setAutoPosition(q_ptr->isAutoPosition());
++ q_ptr->setDirty(false);
++ }
++ }
++
++ QT_END_NAMESPACE