/****************************************************************************
**
** Copyright (C) 2014 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
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****************************************************************************/

#include "q3dlight.h"
#include "q3dscene.h"
#include "q3dlight_p.h"

QT_BEGIN_NAMESPACE_DATAVISUALIZATION

/*!
 * \class Q3DLight
 * \inmodule QtDataVisualization
 * \brief Representation of a light source in 3D space.
 * \since Qt Data Visualization 1.0
 *
 * Q3DLight represents a monochrome non variable light source in 3D space.
 */

/*!
 * \qmltype Light3D
 * \inqmlmodule QtDataVisualization
 * \since QtDataVisualization 1.0
 * \ingroup datavisualization_qml
 * \instantiates Q3DLight
 * \brief Representation of a light source in 3D space.
 *
 * Light3D represents a monochrome non variable light source in 3D space.
 */

/*!
 * 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()
{
}

Q3DLightPrivate::Q3DLightPrivate(Q3DLight *q) :
    q_ptr(q)
{
}

Q3DLightPrivate::~Q3DLightPrivate()
{
}

void Q3DLightPrivate::sync(Q3DLight &other)
{
    // Copies changed values from this light to the other light. If the other light had same changes,
    // those changes are discarded.
    if (q_ptr->isDirty()) {
        other.copyValuesFrom(*q_ptr);
        q_ptr->setDirty(false);
        other.setDirty(false);
    }
}

QT_END_NAMESPACE_DATAVISUALIZATION